mirror of
https://github.com/darlinghq/darling-libcxx.git
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73d21a4f07
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@113086 91177308-0d34-0410-b5e6-96231b3b80d8
6381 lines
202 KiB
C++
6381 lines
202 KiB
C++
// -*- C++ -*-
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//===--------------------------- regex ------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP_REGEX
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#define _LIBCPP_REGEX
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/*
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regex synopsis
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#include <initializer_list>
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namespace std
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{
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namespace regex_constants
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{
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emum syntax_option_type
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{
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icase = unspecified,
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nosubs = unspecified,
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optimize = unspecified,
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collate = unspecified,
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ECMAScript = unspecified,
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basic = unspecified,
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extended = unspecified,
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awk = unspecified,
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grep = unspecified,
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egrep = unspecified
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};
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constexpr syntax_option_type operator~(syntax_option_type f);
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constexpr syntax_option_type operator&(syntax_option_type lhs, syntax_option_type rhs);
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constexpr syntax_option_type operator|(syntax_option_type lhs, syntax_option_type rhs);
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enum match_flag_type
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{
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match_default = 0,
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match_not_bol = unspecified,
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match_not_eol = unspecified,
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match_not_bow = unspecified,
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match_not_eow = unspecified,
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match_any = unspecified,
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match_not_null = unspecified,
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match_continuous = unspecified,
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match_prev_avail = unspecified,
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format_default = 0,
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format_sed = unspecified,
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format_no_copy = unspecified,
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format_first_only = unspecified
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};
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constexpr match_flag_type operator~(match_flag_type f);
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constexpr match_flag_type operator&(match_flag_type lhs, match_flag_type rhs);
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constexpr match_flag_type operator|(match_flag_type lhs, match_flag_type rhs);
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enum error_type
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{
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error_collate = unspecified,
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error_ctype = unspecified,
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error_escape = unspecified,
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error_backref = unspecified,
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error_brack = unspecified,
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error_paren = unspecified,
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error_brace = unspecified,
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error_badbrace = unspecified,
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error_range = unspecified,
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error_space = unspecified,
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error_badrepeat = unspecified,
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error_complexity = unspecified,
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error_stack = unspecified
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};
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} // regex_constants
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class regex_error
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: public runtime_error
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{
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public:
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explicit regex_error(regex_constants::error_type ecode);
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regex_constants::error_type code() const;
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};
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template <class charT>
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struct regex_traits
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{
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public:
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typedef charT char_type;
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typedef basic_string<char_type> string_type;
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typedef locale locale_type;
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typedef /bitmask_type/ char_class_type;
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regex_traits();
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static size_t length(const char_type* p);
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charT translate(charT c) const;
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charT translate_nocase(charT c) const;
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template <class ForwardIterator>
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string_type
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transform(ForwardIterator first, ForwardIterator last) const;
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template <class ForwardIterator>
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string_type
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transform_primary( ForwardIterator first, ForwardIterator last) const;
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template <class ForwardIterator>
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string_type
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lookup_collatename(ForwardIterator first, ForwardIterator last) const;
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template <class ForwardIterator>
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char_class_type
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lookup_classname(ForwardIterator first, ForwardIterator last,
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bool icase = false) const;
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bool isctype(charT c, char_class_type f) const;
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int value(charT ch, int radix) const;
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locale_type imbue(locale_type l);
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locale_type getloc()const;
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};
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template <class charT, class traits = regex_traits<charT>>
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class basic_regex
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{
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public:
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// types:
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typedef charT value_type;
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typedef regex_constants::syntax_option_type flag_type;
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typedef typename traits::locale_type locale_type;
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// constants:
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static constexpr regex_constants::syntax_option_type icase = regex_constants::icase;
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static constexpr regex_constants::syntax_option_type nosubs = regex_constants::nosubs;
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static constexpr regex_constants::syntax_option_type optimize = regex_constants::optimize;
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static constexpr regex_constants::syntax_option_type collate = regex_constants::collate;
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static constexpr regex_constants::syntax_option_type ECMAScript = regex_constants::ECMAScript;
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static constexpr regex_constants::syntax_option_type basic = regex_constants::basic;
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static constexpr regex_constants::syntax_option_type extended = regex_constants::extended;
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static constexpr regex_constants::syntax_option_type awk = regex_constants::awk;
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static constexpr regex_constants::syntax_option_type grep = regex_constants::grep;
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static constexpr regex_constants::syntax_option_type egrep = regex_constants::egrep;
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// construct/copy/destroy:
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basic_regex();
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explicit basic_regex(const charT* p, flag_type f = regex_constants::ECMAScript);
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basic_regex(const charT* p, size_t len, flag_type f);
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basic_regex(const basic_regex&);
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basic_regex(basic_regex&&);
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template <class ST, class SA>
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explicit basic_regex(const basic_string<charT, ST, SA>& p,
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flag_type f = regex_constants::ECMAScript);
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template <class ForwardIterator>
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basic_regex(ForwardIterator first, ForwardIterator last,
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flag_type f = regex_constants::ECMAScript);
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basic_regex(initializer_list<charT>, flag_type = regex_constants::ECMAScript);
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~basic_regex();
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basic_regex& operator=(const basic_regex&);
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basic_regex& operator=(basic_regex&&);
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basic_regex& operator=(const charT* ptr);
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basic_regex& operator=(initializer_list<charT> il);
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template <class ST, class SA>
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basic_regex& operator=(const basic_string<charT, ST, SA>& p);
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// assign:
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basic_regex& assign(const basic_regex& that);
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basic_regex& assign(basic_regex&& that);
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basic_regex& assign(const charT* ptr, flag_type f = regex_constants::ECMAScript);
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basic_regex& assign(const charT* p, size_t len, flag_type f);
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template <class string_traits, class A>
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basic_regex& assign(const basic_string<charT, string_traits, A>& s,
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flag_type f = regex_constants::ECMAScript);
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template <class InputIterator>
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basic_regex& assign(InputIterator first, InputIterator last,
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flag_type f = regex_constants::ECMAScript);
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basic_regex& assign(initializer_list<charT>, flag_type = regex_constants::ECMAScript);
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// const operations:
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unsigned mark_count() const;
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flag_type flags() const;
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// locale:
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locale_type imbue(locale_type loc);
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locale_type getloc() const;
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// swap:
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void swap(basic_regex&);
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};
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typedef basic_regex<char> regex;
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typedef basic_regex<wchar_t> wregex;
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template <class charT, class traits>
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void swap(basic_regex<charT, traits>& e1, basic_regex<charT, traits>& e2);
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template <class BidirectionalIterator>
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class sub_match
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: public pair<BidirectionalIterator, BidirectionalIterator>
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{
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public:
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typedef typename iterator_traits<BidirectionalIterator>::value_type value_type;
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typedef typename iterator_traits<BidirectionalIterator>::difference_type difference_type;
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typedef BidirectionalIterator iterator;
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typedef basic_string<value_type> string_type;
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bool matched;
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difference_type length() const;
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operator string_type() const;
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string_type str() const;
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int compare(const sub_match& s) const;
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int compare(const string_type& s) const;
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int compare(const value_type* s) const;
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};
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typedef sub_match<const char*> csub_match;
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typedef sub_match<const wchar_t*> wcsub_match;
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typedef sub_match<string::const_iterator> ssub_match;
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typedef sub_match<wstring::const_iterator> wssub_match;
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template <class BiIter>
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bool
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operator==(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs);
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template <class BiIter>
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bool
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operator!=(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs);
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template <class BiIter>
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bool
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operator<(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs);
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template <class BiIter>
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bool
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operator<=(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs);
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template <class BiIter>
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bool
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operator>=(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs);
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template <class BiIter>
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bool
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operator>(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs);
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template <class BiIter, class ST, class SA>
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bool
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operator==(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs,
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const sub_match<BiIter>& rhs);
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template <class BiIter, class ST, class SA>
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bool
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operator!=(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs,
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const sub_match<BiIter>& rhs);
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template <class BiIter, class ST, class SA>
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bool
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operator<(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs,
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const sub_match<BiIter>& rhs);
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template <class BiIter, class ST, class SA>
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bool
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operator>(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs,
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const sub_match<BiIter>& rhs);
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template <class BiIter, class ST, class SA>
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bool operator>=(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs,
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const sub_match<BiIter>& rhs);
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template <class BiIter, class ST, class SA>
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bool
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operator<=(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs,
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const sub_match<BiIter>& rhs);
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template <class BiIter, class ST, class SA>
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bool
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operator==(const sub_match<BiIter>& lhs,
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const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs);
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template <class BiIter, class ST, class SA>
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bool
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operator!=(const sub_match<BiIter>& lhs,
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const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs);
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template <class BiIter, class ST, class SA>
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bool
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operator<(const sub_match<BiIter>& lhs,
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const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs);
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template <class BiIter, class ST, class SA>
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bool operator>(const sub_match<BiIter>& lhs,
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const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs);
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template <class BiIter, class ST, class SA>
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bool
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operator>=(const sub_match<BiIter>& lhs,
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const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs);
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template <class BiIter, class ST, class SA>
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bool
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operator<=(const sub_match<BiIter>& lhs,
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const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs);
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template <class BiIter>
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bool
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operator==(typename iterator_traits<BiIter>::value_type const* lhs,
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const sub_match<BiIter>& rhs);
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template <class BiIter>
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bool
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operator!=(typename iterator_traits<BiIter>::value_type const* lhs,
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const sub_match<BiIter>& rhs);
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template <class BiIter>
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bool
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operator<(typename iterator_traits<BiIter>::value_type const* lhs,
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const sub_match<BiIter>& rhs);
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template <class BiIter>
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bool
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operator>(typename iterator_traits<BiIter>::value_type const* lhs,
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const sub_match<BiIter>& rhs);
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template <class BiIter>
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bool
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operator>=(typename iterator_traits<BiIter>::value_type const* lhs,
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const sub_match<BiIter>& rhs);
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template <class BiIter>
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bool
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operator<=(typename iterator_traits<BiIter>::value_type const* lhs,
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const sub_match<BiIter>& rhs);
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template <class BiIter>
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bool
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operator==(const sub_match<BiIter>& lhs,
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typename iterator_traits<BiIter>::value_type const* rhs);
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template <class BiIter>
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bool
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operator!=(const sub_match<BiIter>& lhs,
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typename iterator_traits<BiIter>::value_type const* rhs);
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template <class BiIter>
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bool
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operator<(const sub_match<BiIter>& lhs,
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typename iterator_traits<BiIter>::value_type const* rhs);
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template <class BiIter>
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bool
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operator>(const sub_match<BiIter>& lhs,
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typename iterator_traits<BiIter>::value_type const* rhs);
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template <class BiIter>
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bool
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operator>=(const sub_match<BiIter>& lhs,
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typename iterator_traits<BiIter>::value_type const* rhs);
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template <class BiIter>
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bool
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operator<=(const sub_match<BiIter>& lhs,
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typename iterator_traits<BiIter>::value_type const* rhs);
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template <class BiIter>
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bool
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operator==(typename iterator_traits<BiIter>::value_type const& lhs,
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const sub_match<BiIter>& rhs);
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template <class BiIter>
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bool
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operator!=(typename iterator_traits<BiIter>::value_type const& lhs,
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const sub_match<BiIter>& rhs);
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template <class BiIter>
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bool
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operator<(typename iterator_traits<BiIter>::value_type const& lhs,
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const sub_match<BiIter>& rhs);
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template <class BiIter>
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bool
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operator>(typename iterator_traits<BiIter>::value_type const& lhs,
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const sub_match<BiIter>& rhs);
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template <class BiIter>
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bool
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operator>=(typename iterator_traits<BiIter>::value_type const& lhs,
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const sub_match<BiIter>& rhs);
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template <class BiIter>
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bool
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operator<=(typename iterator_traits<BiIter>::value_type const& lhs,
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const sub_match<BiIter>& rhs);
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template <class BiIter>
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bool
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operator==(const sub_match<BiIter>& lhs,
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typename iterator_traits<BiIter>::value_type const& rhs);
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template <class BiIter>
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bool
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operator!=(const sub_match<BiIter>& lhs,
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typename iterator_traits<BiIter>::value_type const& rhs);
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template <class BiIter>
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bool
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operator<(const sub_match<BiIter>& lhs,
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typename iterator_traits<BiIter>::value_type const& rhs);
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template <class BiIter>
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bool
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operator>(const sub_match<BiIter>& lhs,
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typename iterator_traits<BiIter>::value_type const& rhs);
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template <class BiIter>
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bool
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operator>=(const sub_match<BiIter>& lhs,
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typename iterator_traits<BiIter>::value_type const& rhs);
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template <class BiIter>
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bool
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operator<=(const sub_match<BiIter>& lhs,
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typename iterator_traits<BiIter>::value_type const& rhs);
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template <class charT, class ST, class BiIter>
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basic_ostream<charT, ST>&
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operator<<(basic_ostream<charT, ST>& os, const sub_match<BiIter>& m);
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template <class BidirectionalIterator,
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class Allocator = allocator<sub_match<BidirectionalIterator>>>
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class match_results
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{
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public:
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typedef sub_match<BidirectionalIterator> value_type;
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typedef const value_type& const_reference;
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typedef const_reference reference;
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typedef /implementation-defined/ const_iterator;
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typedef const_iterator iterator;
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typedef typename iterator_traits<BidirectionalIterator>::difference_type difference_type;
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typedef typename allocator_traits<Allocator>::size_type size_type;
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typedef Allocator allocator_type;
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typedef typename iterator_traits<BidirectionalIterator>::value_type char_type;
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typedef basic_string<char_type> string_type;
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// construct/copy/destroy:
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explicit match_results(const Allocator& a = Allocator());
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match_results(const match_results& m);
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match_results(match_results&& m);
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match_results& operator=(const match_results& m);
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match_results& operator=(match_results&& m);
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~match_results();
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// size:
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size_type size() const;
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size_type max_size() const;
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bool empty() const;
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// element access:
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difference_type length(size_type sub = 0) const;
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|
difference_type position(size_type sub = 0) const;
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string_type str(size_type sub = 0) const;
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const_reference operator[](size_type n) const;
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|
const_reference prefix() const;
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|
const_reference suffix() const;
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|
|
const_iterator begin() const;
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|
const_iterator end() const;
|
|
const_iterator cbegin() const;
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|
const_iterator cend() const;
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|
|
// format:
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|
template <class OutputIter>
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|
OutputIter
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format(OutputIter out, const char_type* fmt_first,
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const char_type* fmt_last,
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regex_constants::match_flag_type flags = regex_constants::format_default) const;
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|
template <class OutputIter, class ST, class SA>
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OutputIter
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format(OutputIter out, const basic_string<char_type, ST, SA>& fmt,
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regex_constants::match_flag_type flags = regex_constants::format_default) const;
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|
template <class ST, class SA>
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basic_string<char_type, ST, SA>
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format(const basic_string<char_type, ST, SA>& fmt,
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regex_constants::match_flag_type flags = regex_constants::format_default) const;
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string_type
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format(const char_type* fmt,
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regex_constants::match_flag_type flags = regex_constants::format_default) const;
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|
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// allocator:
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|
allocator_type get_allocator() const;
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// swap:
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|
void swap(match_results& that);
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};
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typedef match_results<const char*> cmatch;
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typedef match_results<const wchar_t*> wcmatch;
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typedef match_results<string::const_iterator> smatch;
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|
typedef match_results<wstring::const_iterator> wsmatch;
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|
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template <class BidirectionalIterator, class Allocator>
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bool
|
|
operator==(const match_results<BidirectionalIterator, Allocator>& m1,
|
|
const match_results<BidirectionalIterator, Allocator>& m2);
|
|
|
|
template <class BidirectionalIterator, class Allocator>
|
|
bool
|
|
operator!=(const match_results<BidirectionalIterator, Allocator>& m1,
|
|
const match_results<BidirectionalIterator, Allocator>& m2);
|
|
|
|
template <class BidirectionalIterator, class Allocator>
|
|
void
|
|
swap(match_results<BidirectionalIterator, Allocator>& m1,
|
|
match_results<BidirectionalIterator, Allocator>& m2);
|
|
|
|
template <class BidirectionalIterator, class Allocator, class charT, class traits>
|
|
bool
|
|
regex_match(BidirectionalIterator first, BidirectionalIterator last,
|
|
match_results<BidirectionalIterator, Allocator>& m,
|
|
const basic_regex<charT, traits>& e,
|
|
regex_constants::match_flag_type flags = regex_constants::match_default);
|
|
|
|
template <class BidirectionalIterator, class charT, class traits>
|
|
bool
|
|
regex_match(BidirectionalIterator first, BidirectionalIterator last,
|
|
const basic_regex<charT, traits>& e,
|
|
regex_constants::match_flag_type flags = regex_constants::match_default);
|
|
|
|
template <class charT, class Allocator, class traits>
|
|
bool
|
|
regex_match(const charT* str, match_results<const charT*, Allocator>& m,
|
|
const basic_regex<charT, traits>& e,
|
|
regex_constants::match_flag_type flags = regex_constants::match_default);
|
|
|
|
template <class ST, class SA, class Allocator, class charT, class traits>
|
|
bool
|
|
regex_match(const basic_string<charT, ST, SA>& s,
|
|
match_results<typename basic_string<charT, ST, SA>::const_iterator, Allocator>& m,
|
|
const basic_regex<charT, traits>& e,
|
|
regex_constants::match_flag_type flags = regex_constants::match_default);
|
|
|
|
template <class charT, class traits>
|
|
bool
|
|
regex_match(const charT* str, const basic_regex<charT, traits>& e,
|
|
regex_constants::match_flag_type flags = regex_constants::match_default);
|
|
|
|
template <class ST, class SA, class charT, class traits>
|
|
bool
|
|
regex_match(const basic_string<charT, ST, SA>& s,
|
|
const basic_regex<charT, traits>& e,
|
|
regex_constants::match_flag_type flags = regex_constants::match_default);
|
|
|
|
template <class BidirectionalIterator, class Allocator, class charT, class traits>
|
|
bool
|
|
regex_search(BidirectionalIterator first, BidirectionalIterator last,
|
|
match_results<BidirectionalIterator, Allocator>& m,
|
|
const basic_regex<charT, traits>& e,
|
|
regex_constants::match_flag_type flags = regex_constants::match_default);
|
|
|
|
template <class BidirectionalIterator, class charT, class traits>
|
|
bool
|
|
regex_search(BidirectionalIterator first, BidirectionalIterator last,
|
|
const basic_regex<charT, traits>& e,
|
|
regex_constants::match_flag_type flags = regex_constants::match_default);
|
|
|
|
template <class charT, class Allocator, class traits>
|
|
bool
|
|
regex_search(const charT* str, match_results<const charT*, Allocator>& m,
|
|
const basic_regex<charT, traits>& e,
|
|
regex_constants::match_flag_type flags = regex_constants::match_default);
|
|
|
|
template <class charT, class traits>
|
|
bool
|
|
regex_search(const charT* str, const basic_regex<charT, traits>& e,
|
|
regex_constants::match_flag_type flags = regex_constants::match_default);
|
|
|
|
template <class ST, class SA, class charT, class traits>
|
|
bool
|
|
regex_search(const basic_string<charT, ST, SA>& s,
|
|
const basic_regex<charT, traits>& e,
|
|
regex_constants::match_flag_type flags = regex_constants::match_default);
|
|
|
|
template <class ST, class SA, class Allocator, class charT, class traits>
|
|
bool
|
|
regex_search(const basic_string<charT, ST, SA>& s,
|
|
match_results<typename basic_string<charT, ST, SA>::const_iterator, Allocator>& m,
|
|
const basic_regex<charT, traits>& e,
|
|
regex_constants::match_flag_type flags = regex_constants::match_default);
|
|
|
|
template <class OutputIterator, class BidirectionalIterator,
|
|
class traits, class charT, class ST, class SA>
|
|
OutputIterator
|
|
regex_replace(OutputIterator out,
|
|
BidirectionalIterator first, BidirectionalIterator last,
|
|
const basic_regex<charT, traits>& e,
|
|
const basic_string<charT, ST, SA>& fmt,
|
|
regex_constants::match_flag_type flags = regex_constants::match_default);
|
|
|
|
template <class OutputIterator, class BidirectionalIterator,
|
|
class traits, class charT>
|
|
OutputIterator
|
|
regex_replace(OutputIterator out,
|
|
BidirectionalIterator first, BidirectionalIterator last,
|
|
const basic_regex<charT, traits>& e, const charT* fmt,
|
|
regex_constants::match_flag_type flags = regex_constants::match_default);
|
|
|
|
template <class traits, class charT, class ST, class SA, class FST, class FSA>>
|
|
basic_string<charT, ST, SA>
|
|
regex_replace(const basic_string<charT, ST, SA>& s,
|
|
const basic_regex<charT, traits>& e,
|
|
const basic_string<charT, FST, FSA>& fmt,
|
|
regex_constants::match_flag_type flags = regex_constants::match_default);
|
|
|
|
template <class traits, class charT, class ST, class SA>
|
|
basic_string<charT, ST, SA>
|
|
regex_replace(const basic_string<charT, ST, SA>& s,
|
|
const basic_regex<charT, traits>& e, const charT* fmt,
|
|
regex_constants::match_flag_type flags = regex_constants::match_default);
|
|
|
|
template <class traits, class charT, class ST, class SA>
|
|
basic_string<charT>
|
|
regex_replace(const charT* s,
|
|
const basic_regex<charT, traits>& e,
|
|
const basic_string<charT, ST, SA>& fmt,
|
|
regex_constants::match_flag_type flags = regex_constants::match_default);
|
|
|
|
template <class traits, class charT>
|
|
basic_string<charT>
|
|
regex_replace(const charT* s,
|
|
const basic_regex<charT, traits>& e,
|
|
const charT* fmt,
|
|
regex_constants::match_flag_type flags = regex_constants::match_default);
|
|
|
|
template <class BidirectionalIterator,
|
|
class charT = typename iterator_traits< BidirectionalIterator>::value_type,
|
|
class traits = regex_traits<charT>>
|
|
class regex_iterator
|
|
{
|
|
public:
|
|
typedef basic_regex<charT, traits> regex_type;
|
|
typedef match_results<BidirectionalIterator> value_type;
|
|
typedef ptrdiff_t difference_type;
|
|
typedef const value_type* pointer;
|
|
typedef const value_type& reference;
|
|
typedef forward_iterator_tag iterator_category;
|
|
|
|
regex_iterator();
|
|
regex_iterator(BidirectionalIterator a, BidirectionalIterator b,
|
|
const regex_type& re,
|
|
regex_constants::match_flag_type m = regex_constants::match_default);
|
|
regex_iterator(const regex_iterator&);
|
|
regex_iterator& operator=(const regex_iterator&);
|
|
|
|
bool operator==(const regex_iterator&) const;
|
|
bool operator!=(const regex_iterator&) const;
|
|
|
|
const value_type& operator*() const;
|
|
const value_type* operator->() const;
|
|
|
|
regex_iterator& operator++();
|
|
regex_iterator operator++(int);
|
|
};
|
|
|
|
typedef regex_iterator<const char*> cregex_iterator;
|
|
typedef regex_iterator<const wchar_t*> wcregex_iterator;
|
|
typedef regex_iterator<string::const_iterator> sregex_iterator;
|
|
typedef regex_iterator<wstring::const_iterator> wsregex_iterator;
|
|
|
|
template <class BidirectionalIterator,
|
|
class charT = typename iterator_traits< BidirectionalIterator>::value_type,
|
|
class traits = regex_traits<charT>>
|
|
class regex_token_iterator
|
|
{
|
|
public:
|
|
typedef basic_regex<charT, traits> regex_type;
|
|
typedef sub_match<BidirectionalIterator> value_type;
|
|
typedef ptrdiff_t difference_type;
|
|
typedef const value_type* pointer;
|
|
typedef const value_type& reference;
|
|
typedef forward_iterator_tag iterator_category;
|
|
|
|
regex_token_iterator();
|
|
regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b,
|
|
const regex_type& re, int submatch = 0,
|
|
regex_constants::match_flag_type m = regex_constants::match_default);
|
|
regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b,
|
|
const regex_type& re, const vector<int>& submatches,
|
|
regex_constants::match_flag_type m = regex_constants::match_default);
|
|
regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b,
|
|
const regex_type& re, initializer_list<int> submatches,
|
|
regex_constants::match_flag_type m = regex_constants::match_default);
|
|
template <size_t N>
|
|
regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b,
|
|
const regex_type& re, const int (&submatches)[N],
|
|
regex_constants::match_flag_type m = regex_constants::match_default);
|
|
regex_token_iterator(const regex_token_iterator&);
|
|
regex_token_iterator& operator=(const regex_token_iterator&);
|
|
|
|
bool operator==(const regex_token_iterator&) const;
|
|
bool operator!=(const regex_token_iterator&) const;
|
|
|
|
const value_type& operator*() const;
|
|
const value_type* operator->() const;
|
|
|
|
regex_token_iterator& operator++();
|
|
regex_token_iterator operator++(int);
|
|
};
|
|
|
|
typedef regex_token_iterator<const char*> cregex_token_iterator;
|
|
typedef regex_token_iterator<const wchar_t*> wcregex_token_iterator;
|
|
typedef regex_token_iterator<string::const_iterator> sregex_token_iterator;
|
|
typedef regex_token_iterator<wstring::const_iterator> wsregex_token_iterator;
|
|
|
|
} // std
|
|
*/
|
|
|
|
// temporary!
|
|
#include <sstream>
|
|
#include <cassert>
|
|
|
|
#include <__config>
|
|
#include <stdexcept>
|
|
#include <__locale>
|
|
#include <initializer_list>
|
|
#include <utility>
|
|
#include <iterator>
|
|
#include <string>
|
|
#include <memory>
|
|
#include <vector>
|
|
#include <deque>
|
|
|
|
#pragma GCC system_header
|
|
|
|
_LIBCPP_BEGIN_NAMESPACE_STD
|
|
|
|
namespace regex_constants
|
|
{
|
|
|
|
// syntax_option_type
|
|
|
|
enum syntax_option_type
|
|
{
|
|
icase = 1 << 0,
|
|
nosubs = 1 << 1,
|
|
optimize = 1 << 2,
|
|
collate = 1 << 3,
|
|
ECMAScript = 0,
|
|
basic = 1 << 4,
|
|
extended = 1 << 5,
|
|
awk = 1 << 6,
|
|
grep = 1 << 7,
|
|
egrep = 1 << 8
|
|
};
|
|
|
|
inline
|
|
/*constexpr*/
|
|
syntax_option_type
|
|
operator~(syntax_option_type __x)
|
|
{
|
|
return syntax_option_type(~int(__x));
|
|
}
|
|
|
|
inline
|
|
/*constexpr*/
|
|
syntax_option_type
|
|
operator&(syntax_option_type __x, syntax_option_type __y)
|
|
{
|
|
return syntax_option_type(int(__x) & int(__y));
|
|
}
|
|
|
|
inline
|
|
/*constexpr*/
|
|
syntax_option_type
|
|
operator|(syntax_option_type __x, syntax_option_type __y)
|
|
{
|
|
return syntax_option_type(int(__x) | int(__y));
|
|
}
|
|
|
|
inline
|
|
/*constexpr*/
|
|
syntax_option_type
|
|
operator^(syntax_option_type __x, syntax_option_type __y)
|
|
{
|
|
return syntax_option_type(int(__x) ^ int(__y));
|
|
}
|
|
|
|
inline
|
|
/*constexpr*/
|
|
syntax_option_type&
|
|
operator&=(syntax_option_type& __x, syntax_option_type __y)
|
|
{
|
|
__x = __x & __y;
|
|
return __x;
|
|
}
|
|
|
|
inline
|
|
/*constexpr*/
|
|
syntax_option_type&
|
|
operator|=(syntax_option_type& __x, syntax_option_type __y)
|
|
{
|
|
__x = __x | __y;
|
|
return __x;
|
|
}
|
|
|
|
inline
|
|
/*constexpr*/
|
|
syntax_option_type&
|
|
operator^=(syntax_option_type& __x, syntax_option_type __y)
|
|
{
|
|
__x = __x ^ __y;
|
|
return __x;
|
|
}
|
|
|
|
// match_flag_type
|
|
|
|
enum match_flag_type
|
|
{
|
|
match_default = 0,
|
|
match_not_bol = 1 << 0,
|
|
match_not_eol = 1 << 1,
|
|
match_not_bow = 1 << 2,
|
|
match_not_eow = 1 << 3,
|
|
match_any = 1 << 4,
|
|
match_not_null = 1 << 5,
|
|
match_continuous = 1 << 6,
|
|
match_prev_avail = 1 << 7,
|
|
format_default = 0,
|
|
format_sed = 1 << 8,
|
|
format_no_copy = 1 << 9,
|
|
format_first_only = 1 << 10,
|
|
__no_update_pos = 1 << 11
|
|
};
|
|
|
|
inline
|
|
/*constexpr*/
|
|
match_flag_type
|
|
operator~(match_flag_type __x)
|
|
{
|
|
return match_flag_type(~int(__x));
|
|
}
|
|
|
|
inline
|
|
/*constexpr*/
|
|
match_flag_type
|
|
operator&(match_flag_type __x, match_flag_type __y)
|
|
{
|
|
return match_flag_type(int(__x) & int(__y));
|
|
}
|
|
|
|
inline
|
|
/*constexpr*/
|
|
match_flag_type
|
|
operator|(match_flag_type __x, match_flag_type __y)
|
|
{
|
|
return match_flag_type(int(__x) | int(__y));
|
|
}
|
|
|
|
inline
|
|
/*constexpr*/
|
|
match_flag_type
|
|
operator^(match_flag_type __x, match_flag_type __y)
|
|
{
|
|
return match_flag_type(int(__x) ^ int(__y));
|
|
}
|
|
|
|
inline
|
|
/*constexpr*/
|
|
match_flag_type&
|
|
operator&=(match_flag_type& __x, match_flag_type __y)
|
|
{
|
|
__x = __x & __y;
|
|
return __x;
|
|
}
|
|
|
|
inline
|
|
/*constexpr*/
|
|
match_flag_type&
|
|
operator|=(match_flag_type& __x, match_flag_type __y)
|
|
{
|
|
__x = __x | __y;
|
|
return __x;
|
|
}
|
|
|
|
inline
|
|
/*constexpr*/
|
|
match_flag_type&
|
|
operator^=(match_flag_type& __x, match_flag_type __y)
|
|
{
|
|
__x = __x ^ __y;
|
|
return __x;
|
|
}
|
|
|
|
enum error_type
|
|
{
|
|
error_collate = 1,
|
|
error_ctype,
|
|
error_escape,
|
|
error_backref,
|
|
error_brack,
|
|
error_paren,
|
|
error_brace,
|
|
error_badbrace,
|
|
error_range,
|
|
error_space,
|
|
error_badrepeat,
|
|
error_complexity,
|
|
error_stack,
|
|
__re_err_grammar,
|
|
__re_err_empty,
|
|
__re_err_unknown
|
|
};
|
|
|
|
} // regex_constants
|
|
|
|
class _LIBCPP_EXCEPTION_ABI regex_error
|
|
: public runtime_error
|
|
{
|
|
regex_constants::error_type __code_;
|
|
public:
|
|
explicit regex_error(regex_constants::error_type __ecode);
|
|
virtual ~regex_error() throw();
|
|
regex_constants::error_type code() const {return __code_;}
|
|
};
|
|
|
|
template <class _CharT>
|
|
struct regex_traits
|
|
{
|
|
public:
|
|
typedef _CharT char_type;
|
|
typedef basic_string<char_type> string_type;
|
|
typedef locale locale_type;
|
|
typedef ctype_base::mask char_class_type;
|
|
|
|
static const char_class_type __regex_word = 0x80;
|
|
private:
|
|
locale __loc_;
|
|
const ctype<char_type>* __ct_;
|
|
const collate<char_type>* __col_;
|
|
|
|
public:
|
|
regex_traits();
|
|
|
|
static size_t length(const char_type* __p)
|
|
{return char_traits<char_type>::length(__p);}
|
|
char_type translate(char_type __c) const {return __c;}
|
|
char_type translate_nocase(char_type __c) const;
|
|
template <class _ForwardIterator>
|
|
string_type
|
|
transform(_ForwardIterator __f, _ForwardIterator __l) const;
|
|
template <class _ForwardIterator>
|
|
string_type
|
|
transform_primary( _ForwardIterator __f, _ForwardIterator __l) const
|
|
{return __transform_primary(__f, __l, char_type());}
|
|
template <class _ForwardIterator>
|
|
string_type
|
|
lookup_collatename(_ForwardIterator __f, _ForwardIterator __l) const
|
|
{return __lookup_collatename(__f, __l, char_type());}
|
|
template <class _ForwardIterator>
|
|
char_class_type
|
|
lookup_classname(_ForwardIterator __f, _ForwardIterator __l,
|
|
bool __icase = false) const
|
|
{return __lookup_classname(__f, __l, __icase, char_type());}
|
|
bool isctype(char_type __c, char_class_type __m) const;
|
|
int value(char_type __ch, int __radix) const
|
|
{return __value(__ch, __radix);}
|
|
locale_type imbue(locale_type __l);
|
|
locale_type getloc()const {return __loc_;}
|
|
|
|
private:
|
|
void __init();
|
|
|
|
template <class _ForwardIterator>
|
|
string_type
|
|
__transform_primary(_ForwardIterator __f, _ForwardIterator __l, char) const;
|
|
template <class _ForwardIterator>
|
|
string_type
|
|
__transform_primary(_ForwardIterator __f, _ForwardIterator __l, wchar_t) const;
|
|
|
|
template <class _ForwardIterator>
|
|
string_type
|
|
__lookup_collatename(_ForwardIterator __f, _ForwardIterator __l, char) const;
|
|
template <class _ForwardIterator>
|
|
string_type
|
|
__lookup_collatename(_ForwardIterator __f, _ForwardIterator __l, wchar_t) const;
|
|
|
|
template <class _ForwardIterator>
|
|
char_class_type
|
|
__lookup_classname(_ForwardIterator __f, _ForwardIterator __l,
|
|
bool __icase, char) const;
|
|
template <class _ForwardIterator>
|
|
char_class_type
|
|
__lookup_classname(_ForwardIterator __f, _ForwardIterator __l,
|
|
bool __icase, wchar_t) const;
|
|
|
|
static int __value(unsigned char __ch, int __radix);
|
|
int __value(char __ch, int __radix) const
|
|
{return __value(static_cast<unsigned char>(__ch), __radix);}
|
|
int __value(wchar_t __ch, int __radix) const;
|
|
};
|
|
|
|
template <class _CharT>
|
|
regex_traits<_CharT>::regex_traits()
|
|
{
|
|
__init();
|
|
}
|
|
|
|
template <class _CharT>
|
|
typename regex_traits<_CharT>::char_type
|
|
regex_traits<_CharT>::translate_nocase(char_type __c) const
|
|
{
|
|
return __ct_->tolower(__c);
|
|
}
|
|
|
|
template <class _CharT>
|
|
template <class _ForwardIterator>
|
|
typename regex_traits<_CharT>::string_type
|
|
regex_traits<_CharT>::transform(_ForwardIterator __f, _ForwardIterator __l) const
|
|
{
|
|
string_type __s(__f, __l);
|
|
return __col_->transform(__s.data(), __s.data() + __s.size());
|
|
}
|
|
|
|
template <class _CharT>
|
|
void
|
|
regex_traits<_CharT>::__init()
|
|
{
|
|
__ct_ = &use_facet<ctype<char_type> >(__loc_);
|
|
__col_ = &use_facet<collate<char_type> >(__loc_);
|
|
}
|
|
|
|
template <class _CharT>
|
|
typename regex_traits<_CharT>::locale_type
|
|
regex_traits<_CharT>::imbue(locale_type __l)
|
|
{
|
|
locale __r = __loc_;
|
|
__loc_ = __l;
|
|
__init();
|
|
return __r;
|
|
}
|
|
|
|
// transform_primary is very FreeBSD-specific
|
|
|
|
template <class _CharT>
|
|
template <class _ForwardIterator>
|
|
typename regex_traits<_CharT>::string_type
|
|
regex_traits<_CharT>::__transform_primary(_ForwardIterator __f,
|
|
_ForwardIterator __l, char) const
|
|
{
|
|
const string_type __s(__f, __l);
|
|
string_type __d = __col_->transform(__s.data(), __s.data() + __s.size());
|
|
switch (__d.size())
|
|
{
|
|
case 1:
|
|
break;
|
|
case 12:
|
|
__d[11] = __d[3];
|
|
break;
|
|
default:
|
|
__d.clear();
|
|
break;
|
|
}
|
|
return __d;
|
|
}
|
|
|
|
template <class _CharT>
|
|
template <class _ForwardIterator>
|
|
typename regex_traits<_CharT>::string_type
|
|
regex_traits<_CharT>::__transform_primary(_ForwardIterator __f,
|
|
_ForwardIterator __l, wchar_t) const
|
|
{
|
|
const string_type __s(__f, __l);
|
|
string_type __d = __col_->transform(__s.data(), __s.data() + __s.size());
|
|
switch (__d.size())
|
|
{
|
|
case 1:
|
|
break;
|
|
case 3:
|
|
__d[2] = __d[0];
|
|
break;
|
|
default:
|
|
__d.clear();
|
|
break;
|
|
}
|
|
return __d;
|
|
}
|
|
|
|
// lookup_collatename is very FreeBSD-specific
|
|
|
|
string __get_collation_name(const char* __s);
|
|
|
|
template <class _CharT>
|
|
template <class _ForwardIterator>
|
|
typename regex_traits<_CharT>::string_type
|
|
regex_traits<_CharT>::__lookup_collatename(_ForwardIterator __f,
|
|
_ForwardIterator __l, char) const
|
|
{
|
|
string_type __s(__f, __l);
|
|
string_type __r;
|
|
if (!__s.empty())
|
|
{
|
|
__r = __get_collation_name(__s.c_str());
|
|
if (__r.empty() && __s.size() <= 2)
|
|
{
|
|
__r = __col_->transform(__s.data(), __s.data() + __s.size());
|
|
if (__r.size() == 1 || __r.size() == 12)
|
|
__r = __s;
|
|
else
|
|
__r.clear();
|
|
}
|
|
}
|
|
return __r;
|
|
}
|
|
|
|
template <class _CharT>
|
|
template <class _ForwardIterator>
|
|
typename regex_traits<_CharT>::string_type
|
|
regex_traits<_CharT>::__lookup_collatename(_ForwardIterator __f,
|
|
_ForwardIterator __l, wchar_t) const
|
|
{
|
|
string_type __s(__f, __l);
|
|
string __n;
|
|
__n.reserve(__s.size());
|
|
for (typename string_type::const_iterator __i = __s.begin(), __e = __s.end();
|
|
__i != __e; ++__i)
|
|
{
|
|
if (static_cast<unsigned>(*__i) >= 127)
|
|
return string_type();
|
|
__n.push_back(char(*__i));
|
|
}
|
|
string_type __r;
|
|
if (!__s.empty())
|
|
{
|
|
__n = __get_collation_name(__n.c_str());
|
|
if (!__n.empty())
|
|
__r.assign(__n.begin(), __n.end());
|
|
else if (__s.size() <= 2)
|
|
{
|
|
__r = __col_->transform(__s.data(), __s.data() + __s.size());
|
|
if (__r.size() == 1 || __r.size() == 3)
|
|
__r = __s;
|
|
else
|
|
__r.clear();
|
|
}
|
|
}
|
|
return __r;
|
|
}
|
|
|
|
// lookup_classname
|
|
|
|
ctype_base::mask __get_classname(const char* __s, bool __icase);
|
|
|
|
template <class _CharT>
|
|
template <class _ForwardIterator>
|
|
typename regex_traits<_CharT>::char_class_type
|
|
regex_traits<_CharT>::__lookup_classname(_ForwardIterator __f,
|
|
_ForwardIterator __l,
|
|
bool __icase, char) const
|
|
{
|
|
string_type __s(__f, __l);
|
|
__ct_->tolower(&__s[0], &__s[0] + __s.size());
|
|
return __get_classname(__s.c_str(), __icase);
|
|
}
|
|
|
|
template <class _CharT>
|
|
template <class _ForwardIterator>
|
|
typename regex_traits<_CharT>::char_class_type
|
|
regex_traits<_CharT>::__lookup_classname(_ForwardIterator __f,
|
|
_ForwardIterator __l,
|
|
bool __icase, wchar_t) const
|
|
{
|
|
string_type __s(__f, __l);
|
|
__ct_->tolower(&__s[0], &__s[0] + __s.size());
|
|
string __n;
|
|
__n.reserve(__s.size());
|
|
for (typename string_type::const_iterator __i = __s.begin(), __e = __s.end();
|
|
__i != __e; ++__i)
|
|
{
|
|
if (static_cast<unsigned>(*__i) >= 127)
|
|
return char_class_type();
|
|
__n.push_back(char(*__i));
|
|
}
|
|
return __get_classname(__n.c_str(), __icase);
|
|
}
|
|
|
|
template <class _CharT>
|
|
bool
|
|
regex_traits<_CharT>::isctype(char_type __c, char_class_type __m) const
|
|
{
|
|
if (__ct_->is(__m, __c))
|
|
return true;
|
|
return (__c == '_' && (__m & __regex_word));
|
|
}
|
|
|
|
template <class _CharT>
|
|
int
|
|
regex_traits<_CharT>::__value(unsigned char __ch, int __radix)
|
|
{
|
|
if ((__ch & 0xF8u) == 0x30) // '0' <= __ch && __ch <= '7'
|
|
return __ch - '0';
|
|
if (__radix != 8)
|
|
{
|
|
if ((__ch & 0xFEu) == 0x38) // '8' <= __ch && __ch <= '9'
|
|
return __ch - '0';
|
|
if (__radix == 16)
|
|
{
|
|
__ch |= 0x20; // tolower
|
|
if ('a' <= __ch && __ch <= 'f')
|
|
return __ch - ('a' - 10);
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
template <class _CharT>
|
|
inline
|
|
int
|
|
regex_traits<_CharT>::__value(wchar_t __ch, int __radix) const
|
|
{
|
|
return __value(static_cast<unsigned char>(__ct_->narrow(__ch, char_type())), __radix);
|
|
}
|
|
|
|
template <class _CharT> class __node;
|
|
|
|
template <class _BidirectionalIterator> class sub_match;
|
|
|
|
template <class _BidirectionalIterator,
|
|
class _Allocator = allocator<sub_match<_BidirectionalIterator> > >
|
|
class match_results;
|
|
|
|
template <class _CharT>
|
|
struct __state
|
|
{
|
|
enum
|
|
{
|
|
__end_state = -1000,
|
|
__consume_input, // -999
|
|
__begin_marked_expr, // -998
|
|
__end_marked_expr, // -997
|
|
__pop_state, // -996
|
|
__accept_and_consume, // -995
|
|
__accept_but_not_consume, // -994
|
|
__reject, // -993
|
|
__split,
|
|
__repeat
|
|
};
|
|
|
|
int __do_;
|
|
const _CharT* __first_;
|
|
const _CharT* __current_;
|
|
const _CharT* __last_;
|
|
vector<sub_match<const _CharT*> > __sub_matches_;
|
|
vector<pair<size_t, const _CharT*> > __loop_data_;
|
|
const __node<_CharT>* __node_;
|
|
regex_constants::match_flag_type __flags_;
|
|
|
|
__state()
|
|
: __do_(0), __first_(nullptr), __current_(nullptr), __last_(nullptr),
|
|
__node_(nullptr), __flags_() {}
|
|
};
|
|
|
|
template <class _CharT>
|
|
ostream&
|
|
operator<<(ostream& os, const __state<_CharT>& c)
|
|
{
|
|
os << c.__do_;
|
|
if (c.__node_)
|
|
os << ", " << c.__node_->speak();
|
|
else
|
|
os << ", null";
|
|
return os;
|
|
}
|
|
|
|
// __node
|
|
|
|
template <class _CharT>
|
|
class __node
|
|
{
|
|
__node(const __node&);
|
|
__node& operator=(const __node&);
|
|
public:
|
|
typedef _STD::__state<_CharT> __state;
|
|
|
|
__node() {}
|
|
virtual ~__node() {}
|
|
|
|
virtual void __exec(__state&) const {};
|
|
virtual void __exec_split(bool, __state&) const {};
|
|
|
|
virtual string speak() const {return "__node";}
|
|
};
|
|
|
|
// __end_state
|
|
|
|
template <class _CharT>
|
|
class __end_state
|
|
: public __node<_CharT>
|
|
{
|
|
public:
|
|
typedef _STD::__state<_CharT> __state;
|
|
|
|
__end_state() {}
|
|
|
|
virtual void __exec(__state&) const;
|
|
|
|
virtual string speak() const {return "end state";}
|
|
};
|
|
|
|
template <class _CharT>
|
|
void
|
|
__end_state<_CharT>::__exec(__state& __s) const
|
|
{
|
|
__s.__do_ = __state::__end_state;
|
|
}
|
|
|
|
// __has_one_state
|
|
|
|
template <class _CharT>
|
|
class __has_one_state
|
|
: public __node<_CharT>
|
|
{
|
|
__node<_CharT>* __first_;
|
|
|
|
public:
|
|
explicit __has_one_state(__node<_CharT>* __s)
|
|
: __first_(__s) {}
|
|
|
|
__node<_CharT>* first() const {return __first_;}
|
|
__node<_CharT>*& first() {return __first_;}
|
|
};
|
|
|
|
// __owns_one_state
|
|
|
|
template <class _CharT>
|
|
class __owns_one_state
|
|
: public __has_one_state<_CharT>
|
|
{
|
|
typedef __has_one_state<_CharT> base;
|
|
|
|
public:
|
|
explicit __owns_one_state(__node<_CharT>* __s)
|
|
: base(__s) {}
|
|
|
|
virtual ~__owns_one_state();
|
|
};
|
|
|
|
template <class _CharT>
|
|
__owns_one_state<_CharT>::~__owns_one_state()
|
|
{
|
|
delete this->first();
|
|
}
|
|
|
|
// __empty_state
|
|
|
|
template <class _CharT>
|
|
class __empty_state
|
|
: public __owns_one_state<_CharT>
|
|
{
|
|
typedef __owns_one_state<_CharT> base;
|
|
|
|
public:
|
|
typedef _STD::__state<_CharT> __state;
|
|
|
|
explicit __empty_state(__node<_CharT>* __s)
|
|
: base(__s) {}
|
|
|
|
virtual void __exec(__state&) const;
|
|
|
|
virtual string speak() const {return "empty state";}
|
|
};
|
|
|
|
template <class _CharT>
|
|
void
|
|
__empty_state<_CharT>::__exec(__state& __s) const
|
|
{
|
|
__s.__do_ = __state::__accept_but_not_consume;
|
|
__s.__node_ = this->first();
|
|
}
|
|
|
|
// __empty_non_own_state
|
|
|
|
template <class _CharT>
|
|
class __empty_non_own_state
|
|
: public __has_one_state<_CharT>
|
|
{
|
|
typedef __has_one_state<_CharT> base;
|
|
|
|
public:
|
|
typedef _STD::__state<_CharT> __state;
|
|
|
|
explicit __empty_non_own_state(__node<_CharT>* __s)
|
|
: base(__s) {}
|
|
|
|
virtual void __exec(__state&) const;
|
|
|
|
virtual string speak() const {return "empty non-owning state";}
|
|
};
|
|
|
|
template <class _CharT>
|
|
void
|
|
__empty_non_own_state<_CharT>::__exec(__state& __s) const
|
|
{
|
|
__s.__do_ = __state::__accept_but_not_consume;
|
|
__s.__node_ = this->first();
|
|
}
|
|
|
|
// __repeat_one_loop
|
|
|
|
template <class _CharT>
|
|
class __repeat_one_loop
|
|
: public __has_one_state<_CharT>
|
|
{
|
|
typedef __has_one_state<_CharT> base;
|
|
|
|
public:
|
|
typedef _STD::__state<_CharT> __state;
|
|
|
|
explicit __repeat_one_loop(__node<_CharT>* __s)
|
|
: base(__s) {}
|
|
|
|
virtual void __exec(__state&) const;
|
|
|
|
virtual string speak() const {return "repeat loop";}
|
|
};
|
|
|
|
template <class _CharT>
|
|
void
|
|
__repeat_one_loop<_CharT>::__exec(__state& __s) const
|
|
{
|
|
__s.__do_ = __state::__repeat;
|
|
__s.__node_ = this->first();
|
|
}
|
|
|
|
// __owns_two_states
|
|
|
|
template <class _CharT>
|
|
class __owns_two_states
|
|
: public __owns_one_state<_CharT>
|
|
{
|
|
typedef __owns_one_state<_CharT> base;
|
|
|
|
base* __second_;
|
|
|
|
public:
|
|
explicit __owns_two_states(__node<_CharT>* __s1, base* __s2)
|
|
: base(__s1), __second_(__s2) {}
|
|
|
|
virtual ~__owns_two_states();
|
|
|
|
base* second() const {return __second_;}
|
|
base*& second() {return __second_;}
|
|
};
|
|
|
|
template <class _CharT>
|
|
__owns_two_states<_CharT>::~__owns_two_states()
|
|
{
|
|
delete __second_;
|
|
}
|
|
|
|
// __loop
|
|
|
|
template <class _CharT>
|
|
class __loop
|
|
: public __owns_two_states<_CharT>
|
|
{
|
|
typedef __owns_two_states<_CharT> base;
|
|
|
|
size_t __min_;
|
|
size_t __max_;
|
|
unsigned __loop_id_;
|
|
unsigned __mexp_begin_;
|
|
unsigned __mexp_end_;
|
|
bool __greedy_;
|
|
|
|
public:
|
|
typedef _STD::__state<_CharT> __state;
|
|
|
|
explicit __loop(unsigned __loop_id,
|
|
__node<_CharT>* __s1, __owns_one_state<_CharT>* __s2,
|
|
unsigned __mexp_begin, unsigned __mexp_end,
|
|
bool __greedy = true,
|
|
size_t __min = 0,
|
|
size_t __max = numeric_limits<size_t>::max())
|
|
: base(__s1, __s2), __min_(__min), __max_(__max), __loop_id_(__loop_id),
|
|
__mexp_begin_(__mexp_begin), __mexp_end_(__mexp_end),
|
|
__greedy_(__greedy) {}
|
|
|
|
virtual void __exec(__state& __s) const;
|
|
virtual void __exec_split(bool __second, __state& __s) const;
|
|
|
|
virtual string speak() const
|
|
{
|
|
ostringstream os;
|
|
os << "loop "<< __loop_id_ << " {" << __min_ << ',' << __max_ << "}";
|
|
if (!__greedy_)
|
|
os << " not";
|
|
os << " greedy";
|
|
return os.str();
|
|
}
|
|
|
|
private:
|
|
void __init_repeat(__state& __s) const
|
|
{
|
|
__s.__loop_data_[__loop_id_].second = __s.__current_;
|
|
for (size_t __i = __mexp_begin_-1; __i != __mexp_end_-1; ++__i)
|
|
{
|
|
__s.__sub_matches_[__i].first = __s.__last_;
|
|
__s.__sub_matches_[__i].second = __s.__last_;
|
|
__s.__sub_matches_[__i].matched = false;
|
|
}
|
|
}
|
|
};
|
|
|
|
template <class _CharT>
|
|
void
|
|
__loop<_CharT>::__exec(__state& __s) const
|
|
{
|
|
if (__s.__do_ == __state::__repeat)
|
|
{
|
|
bool __do_repeat = ++__s.__loop_data_[__loop_id_].first < __max_;
|
|
bool __do_alt = __s.__loop_data_[__loop_id_].first >= __min_;
|
|
if (__do_repeat && __do_alt &&
|
|
__s.__loop_data_[__loop_id_].second == __s.__current_)
|
|
__do_repeat = false;
|
|
if (__do_repeat && __do_alt)
|
|
__s.__do_ = __state::__split;
|
|
else if (__do_repeat)
|
|
{
|
|
__s.__do_ = __state::__accept_but_not_consume;
|
|
__s.__node_ = this->first();
|
|
__init_repeat(__s);
|
|
}
|
|
else
|
|
{
|
|
__s.__do_ = __state::__accept_but_not_consume;
|
|
__s.__node_ = this->second();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
__s.__loop_data_[__loop_id_].first = 0;
|
|
bool __do_repeat = 0 < __max_;
|
|
bool __do_alt = 0 >= __min_;
|
|
if (__do_repeat && __do_alt)
|
|
__s.__do_ = __state::__split;
|
|
else if (__do_repeat)
|
|
{
|
|
__s.__do_ = __state::__accept_but_not_consume;
|
|
__s.__node_ = this->first();
|
|
__init_repeat(__s);
|
|
}
|
|
else
|
|
{
|
|
__s.__do_ = __state::__accept_but_not_consume;
|
|
__s.__node_ = this->second();
|
|
}
|
|
}
|
|
}
|
|
|
|
template <class _CharT>
|
|
void
|
|
__loop<_CharT>::__exec_split(bool __second, __state& __s) const
|
|
{
|
|
__s.__do_ = __state::__accept_but_not_consume;
|
|
if (__greedy_ != __second)
|
|
{
|
|
__s.__node_ = this->first();
|
|
__init_repeat(__s);
|
|
}
|
|
else
|
|
__s.__node_ = this->second();
|
|
}
|
|
|
|
// __alternate
|
|
|
|
template <class _CharT>
|
|
class __alternate
|
|
: public __owns_two_states<_CharT>
|
|
{
|
|
typedef __owns_two_states<_CharT> base;
|
|
|
|
public:
|
|
typedef _STD::__state<_CharT> __state;
|
|
|
|
explicit __alternate(__owns_one_state<_CharT>* __s1,
|
|
__owns_one_state<_CharT>* __s2)
|
|
: base(__s1, __s2) {}
|
|
|
|
virtual void __exec(__state& __s) const;
|
|
virtual void __exec_split(bool __second, __state& __s) const;
|
|
|
|
virtual string speak() const
|
|
{
|
|
ostringstream os;
|
|
os << "__alternate";
|
|
return os.str();
|
|
}
|
|
};
|
|
|
|
template <class _CharT>
|
|
void
|
|
__alternate<_CharT>::__exec(__state& __s) const
|
|
{
|
|
__s.__do_ = __state::__split;
|
|
}
|
|
|
|
template <class _CharT>
|
|
void
|
|
__alternate<_CharT>::__exec_split(bool __second, __state& __s) const
|
|
{
|
|
__s.__do_ = __state::__accept_but_not_consume;
|
|
if (__second)
|
|
__s.__node_ = this->second();
|
|
else
|
|
__s.__node_ = this->first();
|
|
}
|
|
|
|
// __begin_marked_subexpression
|
|
|
|
template <class _CharT>
|
|
class __begin_marked_subexpression
|
|
: public __owns_one_state<_CharT>
|
|
{
|
|
typedef __owns_one_state<_CharT> base;
|
|
|
|
unsigned __mexp_;
|
|
public:
|
|
typedef _STD::__state<_CharT> __state;
|
|
|
|
explicit __begin_marked_subexpression(unsigned __mexp, __node<_CharT>* __s)
|
|
: base(__s), __mexp_(__mexp) {}
|
|
|
|
virtual void __exec(__state&) const;
|
|
|
|
virtual string speak() const
|
|
{
|
|
ostringstream os;
|
|
os << "begin marked expr " << __mexp_;
|
|
return os.str();
|
|
}
|
|
};
|
|
|
|
template <class _CharT>
|
|
void
|
|
__begin_marked_subexpression<_CharT>::__exec(__state& __s) const
|
|
{
|
|
__s.__do_ = __state::__accept_but_not_consume;
|
|
__s.__sub_matches_[__mexp_-1].first = __s.__current_;
|
|
__s.__node_ = this->first();
|
|
}
|
|
|
|
// __end_marked_subexpression
|
|
|
|
template <class _CharT>
|
|
class __end_marked_subexpression
|
|
: public __owns_one_state<_CharT>
|
|
{
|
|
typedef __owns_one_state<_CharT> base;
|
|
|
|
unsigned __mexp_;
|
|
public:
|
|
typedef _STD::__state<_CharT> __state;
|
|
|
|
explicit __end_marked_subexpression(unsigned __mexp, __node<_CharT>* __s)
|
|
: base(__s), __mexp_(__mexp) {}
|
|
|
|
virtual void __exec(__state&) const;
|
|
|
|
virtual string speak() const
|
|
{
|
|
ostringstream os;
|
|
os << "end marked expr " << __mexp_;
|
|
return os.str();
|
|
}
|
|
};
|
|
|
|
template <class _CharT>
|
|
void
|
|
__end_marked_subexpression<_CharT>::__exec(__state& __s) const
|
|
{
|
|
__s.__do_ = __state::__accept_but_not_consume;
|
|
__s.__sub_matches_[__mexp_-1].second = __s.__current_;
|
|
__s.__sub_matches_[__mexp_-1].matched = true;
|
|
__s.__node_ = this->first();
|
|
}
|
|
|
|
// __back_ref
|
|
|
|
template <class _CharT>
|
|
class __back_ref
|
|
: public __owns_one_state<_CharT>
|
|
{
|
|
typedef __owns_one_state<_CharT> base;
|
|
|
|
unsigned __mexp_;
|
|
public:
|
|
typedef _STD::__state<_CharT> __state;
|
|
|
|
explicit __back_ref(unsigned __mexp, __node<_CharT>* __s)
|
|
: base(__s), __mexp_(__mexp) {}
|
|
|
|
virtual void __exec(__state&) const;
|
|
|
|
virtual string speak() const
|
|
{
|
|
ostringstream os;
|
|
os << "__back_ref " << __mexp_;
|
|
return os.str();
|
|
}
|
|
};
|
|
|
|
template <class _CharT>
|
|
void
|
|
__back_ref<_CharT>::__exec(__state& __s) const
|
|
{
|
|
sub_match<const _CharT*>& __sm = __s.__sub_matches_[__mexp_-1];
|
|
if (__sm.matched)
|
|
{
|
|
ptrdiff_t __len = __sm.second - __sm.first;
|
|
if (__s.__last_ - __s.__current_ >= __len &&
|
|
_STD::equal(__sm.first, __sm.second, __s.__current_))
|
|
{
|
|
__s.__do_ = __state::__accept_but_not_consume;
|
|
__s.__current_ += __len;
|
|
__s.__node_ = this->first();
|
|
}
|
|
else
|
|
{
|
|
__s.__do_ = __state::__reject;
|
|
__s.__node_ = nullptr;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
__s.__do_ = __state::__reject;
|
|
__s.__node_ = nullptr;
|
|
}
|
|
}
|
|
|
|
// __back_ref_icase
|
|
|
|
template <class _CharT, class _Traits>
|
|
class __back_ref_icase
|
|
: public __owns_one_state<_CharT>
|
|
{
|
|
typedef __owns_one_state<_CharT> base;
|
|
|
|
_Traits __traits_;
|
|
unsigned __mexp_;
|
|
public:
|
|
typedef _STD::__state<_CharT> __state;
|
|
|
|
explicit __back_ref_icase(const _Traits& __traits, unsigned __mexp,
|
|
__node<_CharT>* __s)
|
|
: base(__s), __traits_(__traits), __mexp_(__mexp) {}
|
|
|
|
virtual void __exec(__state&) const;
|
|
|
|
virtual string speak() const
|
|
{
|
|
ostringstream os;
|
|
os << "__back_ref_icase " << __mexp_;
|
|
return os.str();
|
|
}
|
|
};
|
|
|
|
template <class _CharT, class _Traits>
|
|
void
|
|
__back_ref_icase<_CharT, _Traits>::__exec(__state& __s) const
|
|
{
|
|
sub_match<const _CharT*>& __sm = __s.__sub_matches_[__mexp_-1];
|
|
if (__sm.matched)
|
|
{
|
|
ptrdiff_t __len = __sm.second - __sm.first;
|
|
if (__s.__last_ - __s.__current_ >= __len)
|
|
{
|
|
for (ptrdiff_t __i = 0; __i < __len; ++__i)
|
|
{
|
|
if (__traits_.translate_nocase(__sm.first[__i]) !=
|
|
__traits_.translate_nocase(__s.__current_[__i]))
|
|
goto __not_equal;
|
|
}
|
|
__s.__do_ = __state::__accept_but_not_consume;
|
|
__s.__current_ += __len;
|
|
__s.__node_ = this->first();
|
|
}
|
|
else
|
|
{
|
|
__s.__do_ = __state::__reject;
|
|
__s.__node_ = nullptr;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
__not_equal:
|
|
__s.__do_ = __state::__reject;
|
|
__s.__node_ = nullptr;
|
|
}
|
|
}
|
|
|
|
// __back_ref_collate
|
|
|
|
template <class _CharT, class _Traits>
|
|
class __back_ref_collate
|
|
: public __owns_one_state<_CharT>
|
|
{
|
|
typedef __owns_one_state<_CharT> base;
|
|
|
|
_Traits __traits_;
|
|
unsigned __mexp_;
|
|
public:
|
|
typedef _STD::__state<_CharT> __state;
|
|
|
|
explicit __back_ref_collate(const _Traits& __traits, unsigned __mexp,
|
|
__node<_CharT>* __s)
|
|
: base(__s), __traits_(__traits), __mexp_(__mexp) {}
|
|
|
|
virtual void __exec(__state&) const;
|
|
|
|
virtual string speak() const
|
|
{
|
|
ostringstream os;
|
|
os << "__back_ref_collate " << __mexp_;
|
|
return os.str();
|
|
}
|
|
};
|
|
|
|
template <class _CharT, class _Traits>
|
|
void
|
|
__back_ref_collate<_CharT, _Traits>::__exec(__state& __s) const
|
|
{
|
|
sub_match<const _CharT*>& __sm = __s.__sub_matches_[__mexp_-1];
|
|
if (__sm.matched)
|
|
{
|
|
ptrdiff_t __len = __sm.second - __sm.first;
|
|
if (__s.__last_ - __s.__current_ >= __len)
|
|
{
|
|
for (ptrdiff_t __i = 0; __i < __len; ++__i)
|
|
{
|
|
if (__traits_.translate(__sm.first[__i]) !=
|
|
__traits_.translate(__s.__current_[__i]))
|
|
goto __not_equal;
|
|
}
|
|
__s.__do_ = __state::__accept_but_not_consume;
|
|
__s.__current_ += __len;
|
|
__s.__node_ = this->first();
|
|
}
|
|
else
|
|
{
|
|
__s.__do_ = __state::__reject;
|
|
__s.__node_ = nullptr;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
__not_equal:
|
|
__s.__do_ = __state::__reject;
|
|
__s.__node_ = nullptr;
|
|
}
|
|
}
|
|
|
|
// __word_boundary
|
|
|
|
template <class _CharT, class _Traits>
|
|
class __word_boundary
|
|
: public __owns_one_state<_CharT>
|
|
{
|
|
typedef __owns_one_state<_CharT> base;
|
|
|
|
_Traits __traits_;
|
|
bool __invert_;
|
|
public:
|
|
typedef _STD::__state<_CharT> __state;
|
|
|
|
explicit __word_boundary(const _Traits& __traits, bool __invert,
|
|
__node<_CharT>* __s)
|
|
: base(__s), __traits_(__traits), __invert_(__invert) {}
|
|
|
|
virtual void __exec(__state&) const;
|
|
|
|
virtual string speak() const
|
|
{
|
|
ostringstream os;
|
|
if (!__invert_)
|
|
os << "__word_boundary";
|
|
else
|
|
os << "not __word_boundary";
|
|
return os.str();
|
|
}
|
|
};
|
|
|
|
template <class _CharT, class _Traits>
|
|
void
|
|
__word_boundary<_CharT, _Traits>::__exec(__state& __s) const
|
|
{
|
|
bool __is_word_b = false;
|
|
if (__s.__first_ != __s.__last_)
|
|
{
|
|
if (__s.__current_ == __s.__last_)
|
|
{
|
|
if (!(__s.__flags_ & regex_constants::match_not_eow))
|
|
{
|
|
_CharT __c = __s.__current_[-1];
|
|
__is_word_b = __c == '_' ||
|
|
__traits_.isctype(__c, ctype_base::alnum);
|
|
}
|
|
}
|
|
else if (__s.__current_ == __s.__first_ &&
|
|
!(__s.__flags_ & regex_constants::match_prev_avail))
|
|
{
|
|
if (!(__s.__flags_ & regex_constants::match_not_bow))
|
|
{
|
|
_CharT __c = *__s.__current_;
|
|
__is_word_b = __c == '_' ||
|
|
__traits_.isctype(__c, ctype_base::alnum);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
_CharT __c1 = __s.__current_[-1];
|
|
_CharT __c2 = *__s.__current_;
|
|
bool __is_c1_b = __c1 == '_' ||
|
|
__traits_.isctype(__c1, ctype_base::alnum);
|
|
bool __is_c2_b = __c2 == '_' ||
|
|
__traits_.isctype(__c2, ctype_base::alnum);
|
|
__is_word_b = __is_c1_b != __is_c2_b;
|
|
}
|
|
}
|
|
if (__is_word_b != __invert_)
|
|
{
|
|
__s.__do_ = __state::__accept_but_not_consume;
|
|
__s.__node_ = this->first();
|
|
}
|
|
else
|
|
{
|
|
__s.__do_ = __state::__reject;
|
|
__s.__node_ = nullptr;
|
|
}
|
|
}
|
|
|
|
// __r_anchor
|
|
|
|
template <class _CharT>
|
|
class __r_anchor
|
|
: public __owns_one_state<_CharT>
|
|
{
|
|
typedef __owns_one_state<_CharT> base;
|
|
|
|
public:
|
|
typedef _STD::__state<_CharT> __state;
|
|
|
|
__r_anchor(__node<_CharT>* __s)
|
|
: base(__s) {}
|
|
|
|
virtual void __exec(__state&) const;
|
|
|
|
virtual string speak() const
|
|
{
|
|
ostringstream os;
|
|
os << "right anchor";
|
|
return os.str();
|
|
}
|
|
};
|
|
|
|
template <class _CharT>
|
|
void
|
|
__r_anchor<_CharT>::__exec(__state& __s) const
|
|
{
|
|
if (__s.__current_ == __s.__last_)
|
|
{
|
|
__s.__do_ = __state::__accept_but_not_consume;
|
|
__s.__node_ = this->first();
|
|
}
|
|
else
|
|
{
|
|
__s.__do_ = __state::__reject;
|
|
__s.__node_ = nullptr;
|
|
}
|
|
}
|
|
|
|
// __match_any
|
|
|
|
template <class _CharT>
|
|
class __match_any
|
|
: public __owns_one_state<_CharT>
|
|
{
|
|
typedef __owns_one_state<_CharT> base;
|
|
|
|
public:
|
|
typedef _STD::__state<_CharT> __state;
|
|
|
|
__match_any(__node<_CharT>* __s)
|
|
: base(__s) {}
|
|
|
|
virtual void __exec(__state&) const;
|
|
|
|
virtual string speak() const
|
|
{
|
|
ostringstream os;
|
|
os << "match any";
|
|
return os.str();
|
|
}
|
|
};
|
|
|
|
template <class _CharT>
|
|
void
|
|
__match_any<_CharT>::__exec(__state& __s) const
|
|
{
|
|
if (__s.__current_ != __s.__last_ && *__s.__current_ != 0)
|
|
{
|
|
__s.__do_ = __state::__accept_and_consume;
|
|
++__s.__current_;
|
|
__s.__node_ = this->first();
|
|
}
|
|
else
|
|
{
|
|
__s.__do_ = __state::__reject;
|
|
__s.__node_ = nullptr;
|
|
}
|
|
}
|
|
|
|
// __match_any_but_newline
|
|
|
|
template <class _CharT>
|
|
class __match_any_but_newline
|
|
: public __owns_one_state<_CharT>
|
|
{
|
|
typedef __owns_one_state<_CharT> base;
|
|
|
|
public:
|
|
typedef _STD::__state<_CharT> __state;
|
|
|
|
__match_any_but_newline(__node<_CharT>* __s)
|
|
: base(__s) {}
|
|
|
|
virtual void __exec(__state&) const;
|
|
|
|
virtual string speak() const
|
|
{
|
|
ostringstream os;
|
|
os << "match any but newline";
|
|
return os.str();
|
|
}
|
|
};
|
|
|
|
// __match_char
|
|
|
|
template <class _CharT>
|
|
class __match_char
|
|
: public __owns_one_state<_CharT>
|
|
{
|
|
typedef __owns_one_state<_CharT> base;
|
|
|
|
_CharT __c_;
|
|
|
|
__match_char(const __match_char&);
|
|
__match_char& operator=(const __match_char&);
|
|
public:
|
|
typedef _STD::__state<_CharT> __state;
|
|
|
|
__match_char(_CharT __c, __node<_CharT>* __s)
|
|
: base(__s), __c_(__c) {}
|
|
|
|
virtual void __exec(__state&) const;
|
|
|
|
virtual string speak() const
|
|
{
|
|
ostringstream os;
|
|
os << "match char " << __c_;
|
|
return os.str();
|
|
}
|
|
};
|
|
|
|
template <class _CharT>
|
|
void
|
|
__match_char<_CharT>::__exec(__state& __s) const
|
|
{
|
|
if (__s.__current_ != __s.__last_ && *__s.__current_ == __c_)
|
|
{
|
|
__s.__do_ = __state::__accept_and_consume;
|
|
++__s.__current_;
|
|
__s.__node_ = this->first();
|
|
}
|
|
else
|
|
{
|
|
__s.__do_ = __state::__reject;
|
|
__s.__node_ = nullptr;
|
|
}
|
|
}
|
|
|
|
// __match_char_icase
|
|
|
|
template <class _CharT, class _Traits>
|
|
class __match_char_icase
|
|
: public __owns_one_state<_CharT>
|
|
{
|
|
typedef __owns_one_state<_CharT> base;
|
|
|
|
_Traits __traits_;
|
|
_CharT __c_;
|
|
|
|
__match_char_icase(const __match_char_icase&);
|
|
__match_char_icase& operator=(const __match_char_icase&);
|
|
public:
|
|
typedef _STD::__state<_CharT> __state;
|
|
|
|
__match_char_icase(const _Traits& __traits, _CharT __c, __node<_CharT>* __s)
|
|
: base(__s), __traits_(__traits), __c_(__traits.translate_nocase(__c)) {}
|
|
|
|
virtual void __exec(__state&) const;
|
|
|
|
virtual string speak() const
|
|
{
|
|
ostringstream os;
|
|
os << "match char icase " << __c_;
|
|
return os.str();
|
|
}
|
|
};
|
|
|
|
template <class _CharT, class _Traits>
|
|
void
|
|
__match_char_icase<_CharT, _Traits>::__exec(__state& __s) const
|
|
{
|
|
if (__s.__current_ != __s.__last_ &&
|
|
__traits_.translate_nocase(*__s.__current_) == __c_)
|
|
{
|
|
__s.__do_ = __state::__accept_and_consume;
|
|
++__s.__current_;
|
|
__s.__node_ = this->first();
|
|
}
|
|
else
|
|
{
|
|
__s.__do_ = __state::__reject;
|
|
__s.__node_ = nullptr;
|
|
}
|
|
}
|
|
|
|
// __match_char_collate
|
|
|
|
template <class _CharT, class _Traits>
|
|
class __match_char_collate
|
|
: public __owns_one_state<_CharT>
|
|
{
|
|
typedef __owns_one_state<_CharT> base;
|
|
|
|
_Traits __traits_;
|
|
_CharT __c_;
|
|
|
|
__match_char_collate(const __match_char_collate&);
|
|
__match_char_collate& operator=(const __match_char_collate&);
|
|
public:
|
|
typedef _STD::__state<_CharT> __state;
|
|
|
|
__match_char_collate(const _Traits& __traits, _CharT __c, __node<_CharT>* __s)
|
|
: base(__s), __traits_(__traits), __c_(__traits.translate(__c)) {}
|
|
|
|
virtual void __exec(__state&) const;
|
|
|
|
virtual string speak() const
|
|
{
|
|
ostringstream os;
|
|
os << "match char icase " << __c_;
|
|
return os.str();
|
|
}
|
|
};
|
|
|
|
template <class _CharT, class _Traits>
|
|
void
|
|
__match_char_collate<_CharT, _Traits>::__exec(__state& __s) const
|
|
{
|
|
if (__s.__current_ != __s.__last_ &&
|
|
__traits_.translate(*__s.__current_) == __c_)
|
|
{
|
|
__s.__do_ = __state::__accept_and_consume;
|
|
++__s.__current_;
|
|
__s.__node_ = this->first();
|
|
}
|
|
else
|
|
{
|
|
__s.__do_ = __state::__reject;
|
|
__s.__node_ = nullptr;
|
|
}
|
|
}
|
|
|
|
// __bracket_expression
|
|
|
|
template <class _CharT, class _Traits>
|
|
class __bracket_expression
|
|
: public __owns_one_state<_CharT>
|
|
{
|
|
typedef __owns_one_state<_CharT> base;
|
|
typedef typename _Traits::string_type string_type;
|
|
|
|
_Traits __traits_;
|
|
vector<_CharT> __chars_;
|
|
vector<_CharT> __neg_chars_;
|
|
vector<pair<string_type, string_type> > __ranges_;
|
|
vector<pair<_CharT, _CharT> > __digraphs_;
|
|
vector<string_type> __equivalences_;
|
|
ctype_base::mask __mask_;
|
|
ctype_base::mask __neg_mask_;
|
|
bool __negate_;
|
|
bool __icase_;
|
|
bool __collate_;
|
|
bool __might_have_digraph_;
|
|
|
|
__bracket_expression(const __bracket_expression&);
|
|
__bracket_expression& operator=(const __bracket_expression&);
|
|
public:
|
|
typedef _STD::__state<_CharT> __state;
|
|
|
|
__bracket_expression(const _Traits& __traits, __node<_CharT>* __s,
|
|
bool __negate, bool __icase, bool __collate)
|
|
: base(__s), __traits_(__traits), __mask_(), __neg_mask_(),
|
|
__negate_(__negate), __icase_(__icase), __collate_(__collate),
|
|
__might_have_digraph_(__traits_.getloc().name() != "C") {}
|
|
|
|
virtual void __exec(__state&) const;
|
|
|
|
bool __negated() const {return __negate_;}
|
|
|
|
void __add_char(_CharT __c)
|
|
{
|
|
if (__icase_)
|
|
__chars_.push_back(__traits_.translate_nocase(__c));
|
|
else if (__collate_)
|
|
__chars_.push_back(__traits_.translate(__c));
|
|
else
|
|
__chars_.push_back(__c);
|
|
}
|
|
void __add_neg_char(_CharT __c)
|
|
{
|
|
if (__icase_)
|
|
__neg_chars_.push_back(__traits_.translate_nocase(__c));
|
|
else if (__collate_)
|
|
__neg_chars_.push_back(__traits_.translate(__c));
|
|
else
|
|
__neg_chars_.push_back(__c);
|
|
}
|
|
void __add_range(string_type __b, string_type __e)
|
|
{
|
|
if (__collate_)
|
|
{
|
|
if (__icase_)
|
|
{
|
|
for (size_t __i = 0; __i < __b.size(); ++__i)
|
|
__b[__i] = __traits_.translate_nocase(__b[__i]);
|
|
for (size_t __i = 0; __i < __e.size(); ++__i)
|
|
__e[__i] = __traits_.translate_nocase(__e[__i]);
|
|
}
|
|
else
|
|
{
|
|
for (size_t __i = 0; __i < __b.size(); ++__i)
|
|
__b[__i] = __traits_.translate(__b[__i]);
|
|
for (size_t __i = 0; __i < __e.size(); ++__i)
|
|
__e[__i] = __traits_.translate(__e[__i]);
|
|
}
|
|
__ranges_.push_back(make_pair(
|
|
__traits_.transform(__b.begin(), __b.end()),
|
|
__traits_.transform(__e.begin(), __e.end())));
|
|
}
|
|
else
|
|
{
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__b.size() != 1 || __e.size() != 1)
|
|
throw regex_error(regex_constants::error_collate);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
if (__icase_)
|
|
{
|
|
__b[0] = __traits_.translate_nocase(__b[0]);
|
|
__e[0] = __traits_.translate_nocase(__e[0]);
|
|
}
|
|
__ranges_.push_back(make_pair(_STD::move(__b), _STD::move(__e)));
|
|
}
|
|
}
|
|
void __add_digraph(_CharT __c1, _CharT __c2)
|
|
{
|
|
if (__icase_)
|
|
__digraphs_.push_back(make_pair(__traits_.translate_nocase(__c1),
|
|
__traits_.translate_nocase(__c2)));
|
|
else if (__collate_)
|
|
__digraphs_.push_back(make_pair(__traits_.translate(__c1),
|
|
__traits_.translate(__c2)));
|
|
else
|
|
__digraphs_.push_back(make_pair(__c1, __c2));
|
|
}
|
|
void __add_equivalence(const string_type& __s)
|
|
{__equivalences_.push_back(__s);}
|
|
void __add_class(ctype_base::mask __mask)
|
|
{__mask_ |= __mask;}
|
|
void __add_neg_class(ctype_base::mask __mask)
|
|
{__neg_mask_ |= __mask;}
|
|
|
|
virtual string speak() const
|
|
{
|
|
ostringstream os;
|
|
os << "__bracket_expression ";
|
|
return os.str();
|
|
}
|
|
};
|
|
|
|
template <class _CharT, class _Traits>
|
|
void
|
|
__bracket_expression<_CharT, _Traits>::__exec(__state& __s) const
|
|
{
|
|
bool __found = false;
|
|
unsigned __consumed = 0;
|
|
if (__s.__current_ != __s.__last_)
|
|
{
|
|
++__consumed;
|
|
if (__might_have_digraph_)
|
|
{
|
|
const _CharT* __next = next(__s.__current_);
|
|
if (__next != __s.__last_)
|
|
{
|
|
pair<_CharT, _CharT> __ch2(*__s.__current_, *__next);
|
|
if (__icase_)
|
|
{
|
|
__ch2.first = __traits_.translate_nocase(__ch2.first);
|
|
__ch2.second = __traits_.translate_nocase(__ch2.second);
|
|
}
|
|
else if (__collate_)
|
|
{
|
|
__ch2.first = __traits_.translate(__ch2.first);
|
|
__ch2.second = __traits_.translate(__ch2.second);
|
|
}
|
|
if (!__traits_.lookup_collatename(&__ch2.first, &__ch2.first+2).empty())
|
|
{
|
|
// __ch2 is a digraph in this locale
|
|
++__consumed;
|
|
for (size_t __i = 0; __i < __digraphs_.size(); ++__i)
|
|
{
|
|
if (__ch2 == __digraphs_[__i])
|
|
{
|
|
__found = true;
|
|
goto __exit;
|
|
}
|
|
}
|
|
if (__collate_ && !__ranges_.empty())
|
|
{
|
|
string_type __s2 = __traits_.transform(&__ch2.first,
|
|
&__ch2.first + 2);
|
|
for (size_t __i = 0; __i < __ranges_.size(); ++__i)
|
|
{
|
|
if (__ranges_[__i].first <= __s2 &&
|
|
__s2 <= __ranges_[__i].second)
|
|
{
|
|
__found = true;
|
|
goto __exit;
|
|
}
|
|
}
|
|
}
|
|
if (!__equivalences_.empty())
|
|
{
|
|
string_type __s2 = __traits_.transform_primary(&__ch2.first,
|
|
&__ch2.first + 2);
|
|
for (size_t __i = 0; __i < __equivalences_.size(); ++__i)
|
|
{
|
|
if (__s2 == __equivalences_[__i])
|
|
{
|
|
__found = true;
|
|
goto __exit;
|
|
}
|
|
}
|
|
}
|
|
if (__traits_.isctype(__ch2.first, __mask_) &&
|
|
__traits_.isctype(__ch2.second, __mask_))
|
|
{
|
|
__found = true;
|
|
goto __exit;
|
|
}
|
|
if (!__traits_.isctype(__ch2.first, __neg_mask_) &&
|
|
!__traits_.isctype(__ch2.second, __neg_mask_))
|
|
{
|
|
__found = true;
|
|
goto __exit;
|
|
}
|
|
goto __exit;
|
|
}
|
|
}
|
|
}
|
|
// test *__s.__current_ as not a digraph
|
|
_CharT __ch = *__s.__current_;
|
|
if (__icase_)
|
|
__ch = __traits_.translate_nocase(__ch);
|
|
else if (__collate_)
|
|
__ch = __traits_.translate(__ch);
|
|
for (size_t __i = 0; __i < __chars_.size(); ++__i)
|
|
{
|
|
if (__ch == __chars_[__i])
|
|
{
|
|
__found = true;
|
|
goto __exit;
|
|
}
|
|
}
|
|
if (!__neg_chars_.empty())
|
|
{
|
|
for (size_t __i = 0; __i < __neg_chars_.size(); ++__i)
|
|
{
|
|
if (__ch == __neg_chars_[__i])
|
|
goto __is_neg_char;
|
|
}
|
|
__found = true;
|
|
goto __exit;
|
|
}
|
|
__is_neg_char:
|
|
if (!__ranges_.empty())
|
|
{
|
|
string_type __s2 = __collate_ ?
|
|
__traits_.transform(&__ch, &__ch + 1) :
|
|
string_type(1, __ch);
|
|
for (size_t __i = 0; __i < __ranges_.size(); ++__i)
|
|
{
|
|
if (__ranges_[__i].first <= __s2 && __s2 <= __ranges_[__i].second)
|
|
{
|
|
__found = true;
|
|
goto __exit;
|
|
}
|
|
}
|
|
}
|
|
if (!__equivalences_.empty())
|
|
{
|
|
string_type __s2 = __traits_.transform_primary(&__ch, &__ch + 1);
|
|
for (size_t __i = 0; __i < __equivalences_.size(); ++__i)
|
|
{
|
|
if (__s2 == __equivalences_[__i])
|
|
{
|
|
__found = true;
|
|
goto __exit;
|
|
}
|
|
}
|
|
}
|
|
if (__traits_.isctype(__ch, __mask_))
|
|
{
|
|
__found = true;
|
|
goto __exit;
|
|
}
|
|
if (__neg_mask_ && !__traits_.isctype(__ch, __neg_mask_))
|
|
{
|
|
__found = true;
|
|
goto __exit;
|
|
}
|
|
}
|
|
else
|
|
__found = __negate_; // force reject
|
|
__exit:
|
|
if (__found != __negate_)
|
|
{
|
|
__s.__do_ = __state::__accept_and_consume;
|
|
__s.__current_ += __consumed;
|
|
__s.__node_ = this->first();
|
|
}
|
|
else
|
|
{
|
|
__s.__do_ = __state::__reject;
|
|
__s.__node_ = nullptr;
|
|
}
|
|
}
|
|
|
|
template <class, class> class __lookahead;
|
|
|
|
template <class _CharT, class _Traits = regex_traits<_CharT> >
|
|
class basic_regex
|
|
{
|
|
public:
|
|
// types:
|
|
typedef _CharT value_type;
|
|
typedef regex_constants::syntax_option_type flag_type;
|
|
typedef typename _Traits::locale_type locale_type;
|
|
|
|
private:
|
|
_Traits __traits_;
|
|
flag_type __flags_;
|
|
unsigned __marked_count_;
|
|
unsigned __loop_count_;
|
|
int __open_count_;
|
|
shared_ptr<__empty_state<_CharT> > __start_;
|
|
__owns_one_state<_CharT>* __end_;
|
|
bool __left_anchor_;
|
|
|
|
typedef _STD::__state<_CharT> __state;
|
|
typedef _STD::__node<_CharT> __node;
|
|
|
|
public:
|
|
// constants:
|
|
static const/*expr*/ regex_constants::syntax_option_type icase = regex_constants::icase;
|
|
static const/*expr*/ regex_constants::syntax_option_type nosubs = regex_constants::nosubs;
|
|
static const/*expr*/ regex_constants::syntax_option_type optimize = regex_constants::optimize;
|
|
static const/*expr*/ regex_constants::syntax_option_type collate = regex_constants::collate;
|
|
static const/*expr*/ regex_constants::syntax_option_type ECMAScript = regex_constants::ECMAScript;
|
|
static const/*expr*/ regex_constants::syntax_option_type basic = regex_constants::basic;
|
|
static const/*expr*/ regex_constants::syntax_option_type extended = regex_constants::extended;
|
|
static const/*expr*/ regex_constants::syntax_option_type awk = regex_constants::awk;
|
|
static const/*expr*/ regex_constants::syntax_option_type grep = regex_constants::grep;
|
|
static const/*expr*/ regex_constants::syntax_option_type egrep = regex_constants::egrep;
|
|
|
|
// construct/copy/destroy:
|
|
basic_regex()
|
|
: __flags_(), __marked_count_(0), __loop_count_(0), __open_count_(0),
|
|
__end_(0), __left_anchor_(false)
|
|
{}
|
|
explicit basic_regex(const value_type* __p, flag_type __f = regex_constants::ECMAScript)
|
|
: __flags_(__f), __marked_count_(0), __loop_count_(0), __open_count_(0),
|
|
__end_(0), __left_anchor_(false)
|
|
{__parse(__p, __p + __traits_.length(__p));}
|
|
basic_regex(const value_type* __p, size_t __len, flag_type __f)
|
|
: __flags_(__f), __marked_count_(0), __loop_count_(0), __open_count_(0),
|
|
__end_(0), __left_anchor_(false)
|
|
{__parse(__p, __p + __len);}
|
|
// basic_regex(const basic_regex&) = default;
|
|
// basic_regex(basic_regex&&) = default;
|
|
template <class _ST, class _SA>
|
|
explicit basic_regex(const basic_string<value_type, _ST, _SA>& __p,
|
|
flag_type __f = regex_constants::ECMAScript)
|
|
: __flags_(__f), __marked_count_(0), __loop_count_(0), __open_count_(0),
|
|
__end_(0), __left_anchor_(false)
|
|
{__parse(__p.begin(), __p.end());}
|
|
template <class _ForwardIterator>
|
|
basic_regex(_ForwardIterator __first, _ForwardIterator __last,
|
|
flag_type __f = regex_constants::ECMAScript)
|
|
: __flags_(__f), __marked_count_(0), __loop_count_(0), __open_count_(0),
|
|
__end_(0), __left_anchor_(false)
|
|
{__parse(__first, __last);}
|
|
basic_regex(initializer_list<value_type> __il,
|
|
flag_type __f = regex_constants::ECMAScript)
|
|
: __flags_(__f), __marked_count_(0), __loop_count_(0), __open_count_(0),
|
|
__end_(0), __left_anchor_(false)
|
|
{__parse(__il.begin(), __il.end());}
|
|
|
|
// ~basic_regex() = default;
|
|
|
|
// basic_regex& operator=(const basic_regex&) = default;
|
|
// basic_regex& operator=(basic_regex&&) = default;
|
|
basic_regex& operator=(const value_type* __p)
|
|
{return assign(__p);}
|
|
basic_regex& operator=(initializer_list<value_type> __il)
|
|
{return assign(__il);}
|
|
template <class _ST, class _SA>
|
|
basic_regex& operator=(const basic_string<value_type, _ST, _SA>& __p)
|
|
{return assign(__p);}
|
|
|
|
// assign:
|
|
basic_regex& assign(const basic_regex& __that)
|
|
{return *this = __that;}
|
|
basic_regex& assign(const value_type* __p, flag_type __f = regex_constants::ECMAScript)
|
|
{return assign(__p, __p + __traits_.length(__p), __f);}
|
|
basic_regex& assign(const value_type* __p, size_t __len, flag_type __f)
|
|
{return assign(__p, __p + __len, __f);}
|
|
template <class _ST, class _SA>
|
|
basic_regex& assign(const basic_string<value_type, _ST, _SA>& __s,
|
|
flag_type __f = regex_constants::ECMAScript)
|
|
{return assign(__s.begin(), __s.end(), __f);}
|
|
|
|
template <class _InputIterator>
|
|
typename enable_if
|
|
<
|
|
__is_input_iterator <_InputIterator>::value &&
|
|
!__is_forward_iterator<_InputIterator>::value,
|
|
basic_regex&
|
|
>::type
|
|
assign(_InputIterator __first, _InputIterator __last,
|
|
flag_type __f = regex_constants::ECMAScript)
|
|
{
|
|
basic_string<_CharT> __t(__first, __last);
|
|
return assign(__t.begin(), __t.end(), __f);
|
|
}
|
|
|
|
private:
|
|
void __member_init(flag_type __f)
|
|
{
|
|
__flags_ = __f;
|
|
__marked_count_ = 0;
|
|
__loop_count_ = 0;
|
|
__open_count_ = 0;
|
|
__end_ = nullptr;
|
|
__left_anchor_ = false;
|
|
}
|
|
public:
|
|
|
|
template <class _ForwardIterator>
|
|
typename enable_if
|
|
<
|
|
__is_forward_iterator<_ForwardIterator>::value,
|
|
basic_regex&
|
|
>::type
|
|
assign(_ForwardIterator __first, _ForwardIterator __last,
|
|
flag_type __f = regex_constants::ECMAScript)
|
|
{
|
|
__member_init(__f);
|
|
__parse(__first, __last);
|
|
}
|
|
|
|
basic_regex& assign(initializer_list<value_type> __il,
|
|
flag_type __f = regex_constants::ECMAScript)
|
|
{return assign(__il.begin(), __il.end(), __f);}
|
|
|
|
// const operations:
|
|
unsigned mark_count() const {return __marked_count_;}
|
|
flag_type flags() const {return __flags_;}
|
|
|
|
// locale:
|
|
locale_type imbue(locale_type __loc)
|
|
{
|
|
__member_init(ECMAScript);
|
|
__start_.reset();
|
|
return __traits_.imbue(__loc);
|
|
}
|
|
locale_type getloc() const {return __traits_.getloc();}
|
|
|
|
// swap:
|
|
void swap(basic_regex& __r);
|
|
|
|
private:
|
|
unsigned __loop_count() const {return __loop_count_;}
|
|
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_basic_reg_exp(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_RE_expression(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_simple_RE(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_nondupl_RE(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_one_char_or_coll_elem_RE(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_Back_open_paren(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_Back_close_paren(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_Back_open_brace(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_Back_close_brace(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_BACKREF(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_ORD_CHAR(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_QUOTED_CHAR(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_RE_dupl_symbol(_ForwardIterator __first, _ForwardIterator __last,
|
|
__owns_one_state<_CharT>* __s,
|
|
unsigned __mexp_begin, unsigned __mexp_end);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_ERE_dupl_symbol(_ForwardIterator __first, _ForwardIterator __last,
|
|
__owns_one_state<_CharT>* __s,
|
|
unsigned __mexp_begin, unsigned __mexp_end);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_bracket_expression(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_follow_list(_ForwardIterator __first, _ForwardIterator __last,
|
|
__bracket_expression<_CharT, _Traits>* __ml);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_expression_term(_ForwardIterator __first, _ForwardIterator __last,
|
|
__bracket_expression<_CharT, _Traits>* __ml);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_equivalence_class(_ForwardIterator __first, _ForwardIterator __last,
|
|
__bracket_expression<_CharT, _Traits>* __ml);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_character_class(_ForwardIterator __first, _ForwardIterator __last,
|
|
__bracket_expression<_CharT, _Traits>* __ml);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_collating_symbol(_ForwardIterator __first, _ForwardIterator __last,
|
|
basic_string<_CharT>& __col_sym);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_DUP_COUNT(_ForwardIterator __first, _ForwardIterator __last, int& __c);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_extended_reg_exp(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_ERE_branch(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_ERE_expression(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_one_char_or_coll_elem_ERE(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_ORD_CHAR_ERE(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_QUOTED_CHAR_ERE(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_ecma_exp(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_alternative(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_term(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_assertion(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_atom(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_atom_escape(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_decimal_escape(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_character_class_escape(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_character_escape(_ForwardIterator __first, _ForwardIterator __last,
|
|
basic_string<_CharT>* __str = nullptr);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_pattern_character(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_grep(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_egrep(_ForwardIterator __first, _ForwardIterator __last);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_class_escape(_ForwardIterator __first, _ForwardIterator __last,
|
|
basic_string<_CharT>& __str,
|
|
__bracket_expression<_CharT, _Traits>* __ml);
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
__parse_awk_escape(_ForwardIterator __first, _ForwardIterator __last,
|
|
basic_string<_CharT>* __str = nullptr);
|
|
|
|
void __push_l_anchor() {__left_anchor_ = true;}
|
|
void __push_r_anchor();
|
|
void __push_match_any();
|
|
void __push_match_any_but_newline();
|
|
void __push_greedy_inf_repeat(size_t __min, __owns_one_state<_CharT>* __s,
|
|
unsigned __mexp_begin = 0, unsigned __mexp_end = 0)
|
|
{__push_loop(__min, numeric_limits<size_t>::max(), __s,
|
|
__mexp_begin, __mexp_end);}
|
|
void __push_nongreedy_inf_repeat(size_t __min, __owns_one_state<_CharT>* __s,
|
|
unsigned __mexp_begin = 0, unsigned __mexp_end = 0)
|
|
{__push_loop(__min, numeric_limits<size_t>::max(), __s,
|
|
__mexp_begin, __mexp_end, false);}
|
|
void __push_loop(size_t __min, size_t __max, __owns_one_state<_CharT>* __s,
|
|
size_t __mexp_begin = 0, size_t __mexp_end = 0,
|
|
bool __greedy = true);
|
|
__bracket_expression<_CharT, _Traits>* __start_matching_list(bool __negate);
|
|
void __push_char(value_type __c);
|
|
void __push_back_ref(int __i);
|
|
void __push_alternation(__owns_one_state<_CharT>* __sa,
|
|
__owns_one_state<_CharT>* __sb);
|
|
void __push_begin_marked_subexpression();
|
|
void __push_end_marked_subexpression(unsigned);
|
|
void __push_empty();
|
|
void __push_word_boundary(bool);
|
|
void __push_lookahead(const basic_regex&, bool);
|
|
|
|
template <class _Allocator>
|
|
bool
|
|
__search(const _CharT* __first, const _CharT* __last,
|
|
match_results<const _CharT*, _Allocator>& __m,
|
|
regex_constants::match_flag_type __flags) const;
|
|
|
|
template <class _Allocator>
|
|
bool
|
|
__match_at_start(const _CharT* __first, const _CharT* __last,
|
|
match_results<const _CharT*, _Allocator>& __m,
|
|
regex_constants::match_flag_type __flags) const;
|
|
template <class _Allocator>
|
|
bool
|
|
__match_at_start_ecma(const _CharT* __first, const _CharT* __last,
|
|
match_results<const _CharT*, _Allocator>& __m,
|
|
regex_constants::match_flag_type __flags) const;
|
|
template <class _Allocator>
|
|
bool
|
|
__match_at_start_posix_nosubs(const _CharT* __first, const _CharT* __last,
|
|
match_results<const _CharT*, _Allocator>& __m,
|
|
regex_constants::match_flag_type __flags) const;
|
|
template <class _Allocator>
|
|
bool
|
|
__match_at_start_posix_subs(const _CharT* __first, const _CharT* __last,
|
|
match_results<const _CharT*, _Allocator>& __m,
|
|
regex_constants::match_flag_type __flags) const;
|
|
|
|
template <class _B, class _A, class _C, class _T>
|
|
friend
|
|
bool
|
|
regex_search(_B, _B, match_results<_B, _A>&, const basic_regex<_C, _T>&,
|
|
regex_constants::match_flag_type);
|
|
|
|
template <class _A, class _C, class _T>
|
|
friend
|
|
bool
|
|
regex_search(const _C*, const _C*, match_results<const _C*, _A>&,
|
|
const basic_regex<_C, _T>&, regex_constants::match_flag_type);
|
|
|
|
template <class _B, class _C, class _T>
|
|
friend
|
|
bool
|
|
regex_search(_B, _B, const basic_regex<_C, _T>&,
|
|
regex_constants::match_flag_type);
|
|
|
|
template <class _C, class _T>
|
|
friend
|
|
bool
|
|
regex_search(const _C*, const _C*,
|
|
const basic_regex<_C, _T>&, regex_constants::match_flag_type);
|
|
|
|
template <class _C, class _A, class _T>
|
|
friend
|
|
bool
|
|
regex_search(const _C*, match_results<const _C*, _A>&, const basic_regex<_C, _T>&,
|
|
regex_constants::match_flag_type);
|
|
|
|
template <class _ST, class _SA, class _C, class _T>
|
|
friend
|
|
bool
|
|
regex_search(const basic_string<_C, _ST, _SA>& __s,
|
|
const basic_regex<_C, _T>& __e,
|
|
regex_constants::match_flag_type __flags);
|
|
|
|
template <class _ST, class _SA, class _A, class _C, class _T>
|
|
friend
|
|
bool
|
|
regex_search(const basic_string<_C, _ST, _SA>& __s,
|
|
match_results<typename basic_string<_C, _ST, _SA>::const_iterator, _A>&,
|
|
const basic_regex<_C, _T>& __e,
|
|
regex_constants::match_flag_type __flags);
|
|
|
|
template <class, class> friend class __lookahead;
|
|
};
|
|
|
|
template <class _CharT, class _Traits>
|
|
void
|
|
basic_regex<_CharT, _Traits>::swap(basic_regex& __r)
|
|
{
|
|
using _STD::swap;
|
|
swap(__traits_, __r.__traits_);
|
|
swap(__flags_, __r.__flags_);
|
|
swap(__marked_count_, __r.__marked_count_);
|
|
swap(__loop_count_, __r.__loop_count_);
|
|
swap(__open_count_, __r.__open_count_);
|
|
swap(__start_, __r.__start_);
|
|
swap(__end_, __r.__end_);
|
|
swap(__left_anchor_, __r.__left_anchor_);
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
void
|
|
swap(basic_regex<_CharT, _Traits>& __x, basic_regex<_CharT, _Traits>& __y)
|
|
{
|
|
return __x.swap(__y);
|
|
}
|
|
|
|
// __lookahead
|
|
|
|
template <class _CharT, class _Traits>
|
|
class __lookahead
|
|
: public __owns_one_state<_CharT>
|
|
{
|
|
typedef __owns_one_state<_CharT> base;
|
|
|
|
basic_regex<_CharT, _Traits> __exp_;
|
|
bool __invert_;
|
|
|
|
__lookahead(const __lookahead&);
|
|
__lookahead& operator=(const __lookahead&);
|
|
public:
|
|
typedef _STD::__state<_CharT> __state;
|
|
|
|
__lookahead(const basic_regex<_CharT, _Traits>& __exp, bool __invert, __node<_CharT>* __s)
|
|
: base(__s), __exp_(__exp), __invert_(__invert) {}
|
|
|
|
virtual void __exec(__state&) const;
|
|
|
|
virtual string speak() const
|
|
{
|
|
ostringstream os;
|
|
if (__invert_)
|
|
os << "not lookahead";
|
|
else
|
|
os << "lookahead";
|
|
return os.str();
|
|
}
|
|
};
|
|
|
|
template <class _CharT, class _Traits>
|
|
void
|
|
__lookahead<_CharT, _Traits>::__exec(__state& __s) const
|
|
{
|
|
match_results<const _CharT*> __m;
|
|
__m.__init(1 + __exp_.mark_count(), __s.__current_, __s.__last_);
|
|
bool __matched = __exp_.__match_at_start_ecma(__s.__current_, __s.__last_,
|
|
__m, __s.__flags_);
|
|
if (__matched != __invert_)
|
|
{
|
|
__s.__do_ = __state::__accept_but_not_consume;
|
|
__s.__node_ = this->first();
|
|
}
|
|
else
|
|
{
|
|
__s.__do_ = __state::__reject;
|
|
__s.__node_ = nullptr;
|
|
}
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
{
|
|
unique_ptr<__node> __h(new __end_state<_CharT>);
|
|
__start_.reset(new __empty_state<_CharT>(__h.get()));
|
|
__h.release();
|
|
__end_ = __start_.get();
|
|
}
|
|
switch (__flags_ & 0x1F0)
|
|
{
|
|
case ECMAScript:
|
|
__first = __parse_ecma_exp(__first, __last);
|
|
break;
|
|
case basic:
|
|
__first = __parse_basic_reg_exp(__first, __last);
|
|
break;
|
|
case extended:
|
|
case awk:
|
|
__first = __parse_extended_reg_exp(__first, __last);
|
|
break;
|
|
case grep:
|
|
__first = __parse_grep(__first, __last);
|
|
break;
|
|
case egrep:
|
|
__first = __parse_egrep(__first, __last);
|
|
break;
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
default:
|
|
throw regex_error(regex_constants::__re_err_grammar);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_basic_reg_exp(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
if (__first != __last)
|
|
{
|
|
if (*__first == '^')
|
|
{
|
|
__push_l_anchor();
|
|
++__first;
|
|
}
|
|
if (__first != __last)
|
|
{
|
|
__first = __parse_RE_expression(__first, __last);
|
|
if (__first != __last)
|
|
{
|
|
_ForwardIterator __temp = next(__first);
|
|
if (__temp == __last && *__first == '$')
|
|
{
|
|
__push_r_anchor();
|
|
++__first;
|
|
}
|
|
}
|
|
}
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__first != __last)
|
|
throw regex_error(regex_constants::__re_err_empty);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_extended_reg_exp(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
__owns_one_state<_CharT>* __sa = __end_;
|
|
_ForwardIterator __temp = __parse_ERE_branch(__first, __last);
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__temp == __first)
|
|
throw regex_error(regex_constants::__re_err_empty);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
__first = __temp;
|
|
while (__first != __last && *__first == '|')
|
|
{
|
|
__owns_one_state<_CharT>* __sb = __end_;
|
|
__temp = __parse_ERE_branch(++__first, __last);
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__temp == __first)
|
|
throw regex_error(regex_constants::__re_err_empty);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
__push_alternation(__sa, __sb);
|
|
__first = __temp;
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_ERE_branch(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
_ForwardIterator __temp = __parse_ERE_expression(__first, __last);
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__temp == __first)
|
|
throw regex_error(regex_constants::__re_err_empty);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
do
|
|
{
|
|
__first = __temp;
|
|
__temp = __parse_ERE_expression(__first, __last);
|
|
} while (__temp != __first);
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_ERE_expression(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
__owns_one_state<_CharT>* __e = __end_;
|
|
unsigned __mexp_begin = __marked_count_;
|
|
_ForwardIterator __temp = __parse_one_char_or_coll_elem_ERE(__first, __last);
|
|
if (__temp == __first && __temp != __last)
|
|
{
|
|
switch (*__temp)
|
|
{
|
|
case '^':
|
|
__push_l_anchor();
|
|
++__temp;
|
|
break;
|
|
case '$':
|
|
__push_r_anchor();
|
|
++__temp;
|
|
break;
|
|
case '(':
|
|
__push_begin_marked_subexpression();
|
|
unsigned __temp_count = __marked_count_;
|
|
++__open_count_;
|
|
__temp = __parse_extended_reg_exp(++__temp, __last);
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__temp == __last || *__temp != ')')
|
|
throw regex_error(regex_constants::error_paren);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
__push_end_marked_subexpression(__temp_count);
|
|
--__open_count_;
|
|
++__temp;
|
|
break;
|
|
}
|
|
}
|
|
if (__temp != __first)
|
|
__temp = __parse_ERE_dupl_symbol(__temp, __last, __e, __mexp_begin+1,
|
|
__marked_count_+1);
|
|
__first = __temp;
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_RE_expression(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
while (true)
|
|
{
|
|
_ForwardIterator __temp = __parse_simple_RE(__first, __last);
|
|
if (__temp == __first)
|
|
break;
|
|
__first = __temp;
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_simple_RE(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
if (__first != __last)
|
|
{
|
|
__owns_one_state<_CharT>* __e = __end_;
|
|
unsigned __mexp_begin = __marked_count_;
|
|
_ForwardIterator __temp = __parse_nondupl_RE(__first, __last);
|
|
if (__temp != __first)
|
|
__first = __parse_RE_dupl_symbol(__temp, __last, __e,
|
|
__mexp_begin+1, __marked_count_+1);
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_nondupl_RE(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
_ForwardIterator __temp = __first;
|
|
__first = __parse_one_char_or_coll_elem_RE(__first, __last);
|
|
if (__temp == __first)
|
|
{
|
|
__temp = __parse_Back_open_paren(__first, __last);
|
|
if (__temp != __first)
|
|
{
|
|
__push_begin_marked_subexpression();
|
|
unsigned __temp_count = __marked_count_;
|
|
__first = __parse_RE_expression(__temp, __last);
|
|
__temp = __parse_Back_close_paren(__first, __last);
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__temp == __first)
|
|
throw regex_error(regex_constants::error_paren);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
__push_end_marked_subexpression(__temp_count);
|
|
__first = __temp;
|
|
}
|
|
else
|
|
__first = __parse_BACKREF(__first, __last);
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_one_char_or_coll_elem_RE(
|
|
_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
_ForwardIterator __temp = __parse_ORD_CHAR(__first, __last);
|
|
if (__temp == __first)
|
|
{
|
|
__temp = __parse_QUOTED_CHAR(__first, __last);
|
|
if (__temp == __first)
|
|
{
|
|
if (__temp != __last && *__temp == '.')
|
|
{
|
|
__push_match_any();
|
|
++__temp;
|
|
}
|
|
else
|
|
__temp = __parse_bracket_expression(__first, __last);
|
|
}
|
|
}
|
|
__first = __temp;
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_one_char_or_coll_elem_ERE(
|
|
_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
_ForwardIterator __temp = __parse_ORD_CHAR_ERE(__first, __last);
|
|
if (__temp == __first)
|
|
{
|
|
__temp = __parse_QUOTED_CHAR_ERE(__first, __last);
|
|
if (__temp == __first)
|
|
{
|
|
if (__temp != __last && *__temp == '.')
|
|
{
|
|
__push_match_any();
|
|
++__temp;
|
|
}
|
|
else
|
|
__temp = __parse_bracket_expression(__first, __last);
|
|
}
|
|
}
|
|
__first = __temp;
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_Back_open_paren(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
if (__first != __last)
|
|
{
|
|
_ForwardIterator __temp = next(__first);
|
|
if (__temp != __last)
|
|
{
|
|
if (*__first == '\\' && *__temp == '(')
|
|
__first = ++__temp;
|
|
}
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_Back_close_paren(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
if (__first != __last)
|
|
{
|
|
_ForwardIterator __temp = next(__first);
|
|
if (__temp != __last)
|
|
{
|
|
if (*__first == '\\' && *__temp == ')')
|
|
__first = ++__temp;
|
|
}
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_Back_open_brace(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
if (__first != __last)
|
|
{
|
|
_ForwardIterator __temp = next(__first);
|
|
if (__temp != __last)
|
|
{
|
|
if (*__first == '\\' && *__temp == '{')
|
|
__first = ++__temp;
|
|
}
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_Back_close_brace(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
if (__first != __last)
|
|
{
|
|
_ForwardIterator __temp = next(__first);
|
|
if (__temp != __last)
|
|
{
|
|
if (*__first == '\\' && *__temp == '}')
|
|
__first = ++__temp;
|
|
}
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_BACKREF(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
if (__first != __last)
|
|
{
|
|
_ForwardIterator __temp = next(__first);
|
|
if (__temp != __last)
|
|
{
|
|
if (*__first == '\\' && '1' <= *__temp && *__temp <= '9')
|
|
{
|
|
__push_back_ref(*__temp - '0');
|
|
__first = ++__temp;
|
|
}
|
|
}
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_ORD_CHAR(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
if (__first != __last)
|
|
{
|
|
_ForwardIterator __temp = next(__first);
|
|
if (__temp == __last && *__first == '$')
|
|
return __first;
|
|
// Not called inside a bracket
|
|
if (*__first == '.' || *__first == '\\' || *__first == '[')
|
|
return __first;
|
|
__push_char(*__first);
|
|
++__first;
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_ORD_CHAR_ERE(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
if (__first != __last)
|
|
{
|
|
switch (*__first)
|
|
{
|
|
case '^':
|
|
case '.':
|
|
case '[':
|
|
case '$':
|
|
case '(':
|
|
case '|':
|
|
case '*':
|
|
case '+':
|
|
case '?':
|
|
case '{':
|
|
case '\\':
|
|
break;
|
|
case ')':
|
|
if (__open_count_ == 0)
|
|
{
|
|
__push_char(*__first);
|
|
++__first;
|
|
}
|
|
break;
|
|
default:
|
|
__push_char(*__first);
|
|
++__first;
|
|
break;
|
|
}
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_QUOTED_CHAR(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
if (__first != __last)
|
|
{
|
|
_ForwardIterator __temp = next(__first);
|
|
if (__temp != __last)
|
|
{
|
|
if (*__first == '\\')
|
|
{
|
|
switch (*__temp)
|
|
{
|
|
case '^':
|
|
case '.':
|
|
case '*':
|
|
case '[':
|
|
case '$':
|
|
case '\\':
|
|
__push_char(*__temp);
|
|
__first = ++__temp;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_QUOTED_CHAR_ERE(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
if (__first != __last)
|
|
{
|
|
_ForwardIterator __temp = next(__first);
|
|
if (__temp != __last)
|
|
{
|
|
if (*__first == '\\')
|
|
{
|
|
switch (*__temp)
|
|
{
|
|
case '^':
|
|
case '.':
|
|
case '*':
|
|
case '[':
|
|
case '$':
|
|
case '\\':
|
|
case '(':
|
|
case ')':
|
|
case '|':
|
|
case '+':
|
|
case '?':
|
|
case '{':
|
|
__push_char(*__temp);
|
|
__first = ++__temp;
|
|
break;
|
|
default:
|
|
if ((__flags_ & 0x1F0) == awk)
|
|
__first = __parse_awk_escape(++__first, __last);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_RE_dupl_symbol(_ForwardIterator __first,
|
|
_ForwardIterator __last,
|
|
__owns_one_state<_CharT>* __s,
|
|
unsigned __mexp_begin,
|
|
unsigned __mexp_end)
|
|
{
|
|
if (__first != __last)
|
|
{
|
|
if (*__first == '*')
|
|
{
|
|
__push_greedy_inf_repeat(0, __s, __mexp_begin, __mexp_end);
|
|
++__first;
|
|
}
|
|
else
|
|
{
|
|
_ForwardIterator __temp = __parse_Back_open_brace(__first, __last);
|
|
if (__temp != __first)
|
|
{
|
|
int __min = 0;
|
|
__first = __temp;
|
|
__temp = __parse_DUP_COUNT(__first, __last, __min);
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__temp == __first)
|
|
throw regex_error(regex_constants::error_badbrace);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
__first = __temp;
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__first == __last)
|
|
throw regex_error(regex_constants::error_brace);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
if (*__first != ',')
|
|
{
|
|
__temp = __parse_Back_close_brace(__first, __last);
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__temp == __first)
|
|
throw regex_error(regex_constants::error_brace);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
__push_loop(__min, __min, __s, __mexp_begin, __mexp_end,
|
|
true);
|
|
__first = __temp;
|
|
}
|
|
else
|
|
{
|
|
++__first; // consume ','
|
|
int __max = -1;
|
|
__first = __parse_DUP_COUNT(__first, __last, __max);
|
|
__temp = __parse_Back_close_brace(__first, __last);
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__temp == __first)
|
|
throw regex_error(regex_constants::error_brace);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
if (__max == -1)
|
|
__push_greedy_inf_repeat(__min, __s, __mexp_begin, __mexp_end);
|
|
else
|
|
{
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__max < __min)
|
|
throw regex_error(regex_constants::error_badbrace);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
__push_loop(__min, __max, __s, __mexp_begin, __mexp_end,
|
|
true);
|
|
}
|
|
__first = __temp;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_ERE_dupl_symbol(_ForwardIterator __first,
|
|
_ForwardIterator __last,
|
|
__owns_one_state<_CharT>* __s,
|
|
unsigned __mexp_begin,
|
|
unsigned __mexp_end)
|
|
{
|
|
if (__first != __last)
|
|
{
|
|
unsigned __grammar = __flags_ & 0x1F0;
|
|
switch (*__first)
|
|
{
|
|
case '*':
|
|
++__first;
|
|
if (__grammar == ECMAScript && __first != __last && *__first == '?')
|
|
{
|
|
++__first;
|
|
__push_nongreedy_inf_repeat(0, __s, __mexp_begin, __mexp_end);
|
|
}
|
|
else
|
|
__push_greedy_inf_repeat(0, __s, __mexp_begin, __mexp_end);
|
|
break;
|
|
case '+':
|
|
++__first;
|
|
if (__grammar == ECMAScript && __first != __last && *__first == '?')
|
|
{
|
|
++__first;
|
|
__push_nongreedy_inf_repeat(1, __s, __mexp_begin, __mexp_end);
|
|
}
|
|
else
|
|
__push_greedy_inf_repeat(1, __s, __mexp_begin, __mexp_end);
|
|
break;
|
|
case '?':
|
|
++__first;
|
|
if (__grammar == ECMAScript && __first != __last && *__first == '?')
|
|
{
|
|
++__first;
|
|
__push_loop(0, 1, __s, __mexp_begin, __mexp_end, false);
|
|
}
|
|
else
|
|
__push_loop(0, 1, __s, __mexp_begin, __mexp_end);
|
|
break;
|
|
case '{':
|
|
{
|
|
int __min;
|
|
_ForwardIterator __temp = __parse_DUP_COUNT(++__first, __last, __min);
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__temp == __first)
|
|
throw regex_error(regex_constants::error_badbrace);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
__first = __temp;
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__first == __last)
|
|
throw regex_error(regex_constants::error_brace);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
switch (*__first)
|
|
{
|
|
case '}':
|
|
++__first;
|
|
if (__grammar == ECMAScript && __first != __last && *__first == '?')
|
|
{
|
|
++__first;
|
|
__push_loop(__min, __min, __s, __mexp_begin, __mexp_end, false);
|
|
}
|
|
else
|
|
__push_loop(__min, __min, __s, __mexp_begin, __mexp_end);
|
|
break;
|
|
case ',':
|
|
++__first;
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__first == __last)
|
|
throw regex_error(regex_constants::error_badbrace);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
if (*__first == '}')
|
|
{
|
|
++__first;
|
|
if (__grammar == ECMAScript && __first != __last && *__first == '?')
|
|
{
|
|
++__first;
|
|
__push_nongreedy_inf_repeat(__min, __s, __mexp_begin, __mexp_end);
|
|
}
|
|
else
|
|
__push_greedy_inf_repeat(__min, __s, __mexp_begin, __mexp_end);
|
|
}
|
|
else
|
|
{
|
|
int __max = -1;
|
|
__temp = __parse_DUP_COUNT(__first, __last, __max);
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__temp == __first)
|
|
throw regex_error(regex_constants::error_brace);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
__first = __temp;
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__first == __last || *__first != '}')
|
|
throw regex_error(regex_constants::error_brace);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
++__first;
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__max < __min)
|
|
throw regex_error(regex_constants::error_badbrace);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
if (__grammar == ECMAScript && __first != __last && *__first == '?')
|
|
{
|
|
++__first;
|
|
__push_loop(__min, __max, __s, __mexp_begin, __mexp_end, false);
|
|
}
|
|
else
|
|
__push_loop(__min, __max, __s, __mexp_begin, __mexp_end);
|
|
}
|
|
break;
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
default:
|
|
throw regex_error(regex_constants::error_badbrace);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_bracket_expression(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
if (__first != __last && *__first == '[')
|
|
{
|
|
++__first;
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__first == __last)
|
|
throw regex_error(regex_constants::error_brack);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
bool __negate = false;
|
|
if (*__first == '^')
|
|
{
|
|
++__first;
|
|
__negate = true;
|
|
}
|
|
__bracket_expression<_CharT, _Traits>* __ml = __start_matching_list(__negate);
|
|
// __ml owned by *this
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__first == __last)
|
|
throw regex_error(regex_constants::error_brack);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
if ((__flags_ & 0x1F0) != ECMAScript && *__first == ']')
|
|
{
|
|
__ml->__add_char(']');
|
|
++__first;
|
|
}
|
|
__first = __parse_follow_list(__first, __last, __ml);
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__first == __last)
|
|
throw regex_error(regex_constants::error_brack);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
if (*__first == '-')
|
|
{
|
|
__ml->__add_char('-');
|
|
++__first;
|
|
}
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__first == __last || *__first != ']')
|
|
throw regex_error(regex_constants::error_brack);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
++__first;
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_follow_list(_ForwardIterator __first,
|
|
_ForwardIterator __last,
|
|
__bracket_expression<_CharT, _Traits>* __ml)
|
|
{
|
|
if (__first != __last)
|
|
{
|
|
while (true)
|
|
{
|
|
_ForwardIterator __temp = __parse_expression_term(__first, __last,
|
|
__ml);
|
|
if (__temp == __first)
|
|
break;
|
|
__first = __temp;
|
|
}
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_expression_term(_ForwardIterator __first,
|
|
_ForwardIterator __last,
|
|
__bracket_expression<_CharT, _Traits>* __ml)
|
|
{
|
|
if (__first != __last && *__first != ']')
|
|
{
|
|
_ForwardIterator __temp = next(__first);
|
|
basic_string<_CharT> __start_range;
|
|
if (__temp != __last && *__first == '[')
|
|
{
|
|
if (*__temp == '=')
|
|
return __parse_equivalence_class(++__temp, __last, __ml);
|
|
else if (*__temp == ':')
|
|
return __parse_character_class(++__temp, __last, __ml);
|
|
else if (*__temp == '.')
|
|
__first = __parse_collating_symbol(++__temp, __last, __start_range);
|
|
}
|
|
unsigned __grammar = __flags_ & 0x1F0;
|
|
if (__start_range.empty())
|
|
{
|
|
if ((__grammar == ECMAScript || __grammar == awk) && *__first == '\\')
|
|
{
|
|
if (__grammar == ECMAScript)
|
|
__first = __parse_class_escape(++__first, __last, __start_range, __ml);
|
|
else
|
|
__first = __parse_awk_escape(++__first, __last, &__start_range);
|
|
}
|
|
else
|
|
{
|
|
__start_range = *__first;
|
|
++__first;
|
|
}
|
|
}
|
|
if (__first != __last && *__first != ']')
|
|
{
|
|
__temp = next(__first);
|
|
if (__temp != __last && *__first == '-' && *__temp != ']')
|
|
{
|
|
// parse a range
|
|
basic_string<_CharT> __end_range;
|
|
__first = __temp;
|
|
++__temp;
|
|
if (__temp != __last && *__first == '[' && *__temp == '.')
|
|
__first = __parse_collating_symbol(++__temp, __last, __end_range);
|
|
else
|
|
{
|
|
if ((__grammar == ECMAScript || __grammar == awk) && *__first == '\\')
|
|
{
|
|
if (__grammar == ECMAScript)
|
|
__first = __parse_class_escape(++__first, __last,
|
|
__end_range, __ml);
|
|
else
|
|
__first = __parse_awk_escape(++__first, __last,
|
|
&__end_range);
|
|
}
|
|
else
|
|
{
|
|
__end_range = *__first;
|
|
++__first;
|
|
}
|
|
}
|
|
__ml->__add_range(_STD::move(__start_range), _STD::move(__end_range));
|
|
}
|
|
else
|
|
{
|
|
if (__start_range.size() == 1)
|
|
__ml->__add_char(__start_range[0]);
|
|
else
|
|
__ml->__add_digraph(__start_range[0], __start_range[1]);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (__start_range.size() == 1)
|
|
__ml->__add_char(__start_range[0]);
|
|
else
|
|
__ml->__add_digraph(__start_range[0], __start_range[1]);
|
|
}
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_class_escape(_ForwardIterator __first,
|
|
_ForwardIterator __last,
|
|
basic_string<_CharT>& __str,
|
|
__bracket_expression<_CharT, _Traits>* __ml)
|
|
{
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__first == __last)
|
|
throw regex_error(regex_constants::error_escape);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
switch (*__first)
|
|
{
|
|
case 0:
|
|
__str = *__first;
|
|
return ++__first;
|
|
case 'b':
|
|
__str = _CharT(8);
|
|
return ++__first;
|
|
case 'd':
|
|
__ml->__add_class(ctype_base::digit);
|
|
return ++__first;
|
|
case 'D':
|
|
__ml->__add_neg_class(ctype_base::digit);
|
|
return ++__first;
|
|
case 's':
|
|
__ml->__add_class(ctype_base::space);
|
|
return ++__first;
|
|
case 'S':
|
|
__ml->__add_neg_class(ctype_base::space);
|
|
return ++__first;
|
|
case 'w':
|
|
__ml->__add_class(ctype_base::alnum);
|
|
__ml->__add_char('_');
|
|
return ++__first;
|
|
case 'W':
|
|
__ml->__add_neg_class(ctype_base::alnum);
|
|
__ml->__add_neg_char('_');
|
|
return ++__first;
|
|
}
|
|
__first = __parse_character_escape(__first, __last, &__str);
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_awk_escape(_ForwardIterator __first,
|
|
_ForwardIterator __last,
|
|
basic_string<_CharT>* __str)
|
|
{
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__first == __last)
|
|
throw regex_error(regex_constants::error_escape);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
switch (*__first)
|
|
{
|
|
case '\\':
|
|
case '"':
|
|
case '/':
|
|
if (__str)
|
|
*__str = *__first;
|
|
else
|
|
__push_char(*__first);
|
|
return ++__first;
|
|
case 'a':
|
|
if (__str)
|
|
*__str = _CharT(7);
|
|
else
|
|
__push_char(_CharT(7));
|
|
return ++__first;
|
|
case 'b':
|
|
if (__str)
|
|
*__str = _CharT(8);
|
|
else
|
|
__push_char(_CharT(8));
|
|
return ++__first;
|
|
case 'f':
|
|
if (__str)
|
|
*__str = _CharT(0xC);
|
|
else
|
|
__push_char(_CharT(0xC));
|
|
return ++__first;
|
|
case 'n':
|
|
if (__str)
|
|
*__str = _CharT(0xA);
|
|
else
|
|
__push_char(_CharT(0xA));
|
|
return ++__first;
|
|
case 'r':
|
|
if (__str)
|
|
*__str = _CharT(0xD);
|
|
else
|
|
__push_char(_CharT(0xD));
|
|
return ++__first;
|
|
case 't':
|
|
if (__str)
|
|
*__str = _CharT(0x9);
|
|
else
|
|
__push_char(_CharT(0x9));
|
|
return ++__first;
|
|
case 'v':
|
|
if (__str)
|
|
*__str = _CharT(0xB);
|
|
else
|
|
__push_char(_CharT(0xB));
|
|
return ++__first;
|
|
}
|
|
if ('0' <= *__first && *__first <= '7')
|
|
{
|
|
unsigned __val = *__first - '0';
|
|
if (++__first != __last && ('0' <= *__first && *__first <= '7'))
|
|
{
|
|
__val = 8 * __val + *__first - '0';
|
|
if (++__first != __last && ('0' <= *__first && *__first <= '7'))
|
|
__val = 8 * __val + *__first - '0';
|
|
}
|
|
if (__str)
|
|
*__str = _CharT(__val);
|
|
else
|
|
__push_char(_CharT(__val));
|
|
}
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
else
|
|
throw regex_error(regex_constants::error_escape);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_equivalence_class(_ForwardIterator __first,
|
|
_ForwardIterator __last,
|
|
__bracket_expression<_CharT, _Traits>* __ml)
|
|
{
|
|
// Found [=
|
|
// This means =] must exist
|
|
value_type _Equal_close[2] = {'=', ']'};
|
|
_ForwardIterator __temp = _STD::search(__first, __last, _Equal_close,
|
|
_Equal_close+2);
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__temp == __last)
|
|
throw regex_error(regex_constants::error_brack);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
// [__first, __temp) contains all text in [= ... =]
|
|
typedef typename _Traits::string_type string_type;
|
|
string_type __collate_name =
|
|
__traits_.lookup_collatename(__first, __temp);
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__collate_name.empty())
|
|
throw regex_error(regex_constants::error_collate);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
string_type __equiv_name =
|
|
__traits_.transform_primary(__collate_name.begin(),
|
|
__collate_name.end());
|
|
if (!__equiv_name.empty())
|
|
__ml->__add_equivalence(__equiv_name);
|
|
else
|
|
{
|
|
switch (__collate_name.size())
|
|
{
|
|
case 1:
|
|
__ml->__add_char(__collate_name[0]);
|
|
break;
|
|
case 2:
|
|
__ml->__add_digraph(__collate_name[0], __collate_name[1]);
|
|
break;
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
default:
|
|
throw regex_error(regex_constants::error_collate);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
}
|
|
}
|
|
__first = next(__temp, 2);
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_character_class(_ForwardIterator __first,
|
|
_ForwardIterator __last,
|
|
__bracket_expression<_CharT, _Traits>* __ml)
|
|
{
|
|
// Found [:
|
|
// This means :] must exist
|
|
value_type _Colon_close[2] = {':', ']'};
|
|
_ForwardIterator __temp = _STD::search(__first, __last, _Colon_close,
|
|
_Colon_close+2);
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__temp == __last)
|
|
throw regex_error(regex_constants::error_brack);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
// [__first, __temp) contains all text in [: ... :]
|
|
typedef typename _Traits::char_class_type char_class_type;
|
|
char_class_type __class_type =
|
|
__traits_.lookup_classname(__first, __temp, __flags_ & icase);
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__class_type == 0)
|
|
throw regex_error(regex_constants::error_brack);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
__ml->__add_class(__class_type);
|
|
__first = next(__temp, 2);
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_collating_symbol(_ForwardIterator __first,
|
|
_ForwardIterator __last,
|
|
basic_string<_CharT>& __col_sym)
|
|
{
|
|
// Found [.
|
|
// This means .] must exist
|
|
value_type _Dot_close[2] = {'.', ']'};
|
|
_ForwardIterator __temp = _STD::search(__first, __last, _Dot_close,
|
|
_Dot_close+2);
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__temp == __last)
|
|
throw regex_error(regex_constants::error_brack);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
// [__first, __temp) contains all text in [. ... .]
|
|
typedef typename _Traits::string_type string_type;
|
|
__col_sym = __traits_.lookup_collatename(__first, __temp);
|
|
switch (__col_sym.size())
|
|
{
|
|
case 1:
|
|
case 2:
|
|
break;
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
default:
|
|
throw regex_error(regex_constants::error_collate);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
}
|
|
__first = next(__temp, 2);
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_DUP_COUNT(_ForwardIterator __first,
|
|
_ForwardIterator __last,
|
|
int& __c)
|
|
{
|
|
if (__first != __last && '0' <= *__first && *__first <= '9')
|
|
{
|
|
__c = *__first - '0';
|
|
for (++__first; __first != __last && '0' <= *__first && *__first <= '9';
|
|
++__first)
|
|
{
|
|
__c *= 10;
|
|
__c += *__first - '0';
|
|
}
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_ecma_exp(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
__owns_one_state<_CharT>* __sa = __end_;
|
|
_ForwardIterator __temp = __parse_alternative(__first, __last);
|
|
if (__temp == __first)
|
|
__push_empty();
|
|
__first = __temp;
|
|
while (__first != __last && *__first == '|')
|
|
{
|
|
__owns_one_state<_CharT>* __sb = __end_;
|
|
__temp = __parse_alternative(++__first, __last);
|
|
if (__temp == __first)
|
|
__push_empty();
|
|
__push_alternation(__sa, __sb);
|
|
__first = __temp;
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_alternative(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
while (true)
|
|
{
|
|
_ForwardIterator __temp = __parse_term(__first, __last);
|
|
if (__temp == __first)
|
|
break;
|
|
__first = __temp;
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_term(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
_ForwardIterator __temp = __parse_assertion(__first, __last);
|
|
if (__temp == __first)
|
|
{
|
|
__owns_one_state<_CharT>* __e = __end_;
|
|
unsigned __mexp_begin = __marked_count_;
|
|
__temp = __parse_atom(__first, __last);
|
|
if (__temp != __first)
|
|
__first = __parse_ERE_dupl_symbol(__temp, __last, __e,
|
|
__mexp_begin+1, __marked_count_+1);
|
|
}
|
|
else
|
|
__first = __temp;
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_assertion(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
if (__first != __last)
|
|
{
|
|
switch (*__first)
|
|
{
|
|
case '^':
|
|
__push_l_anchor();
|
|
++__first;
|
|
break;
|
|
case '$':
|
|
__push_r_anchor();
|
|
++__first;
|
|
break;
|
|
case '\\':
|
|
{
|
|
_ForwardIterator __temp = _STD::next(__first);
|
|
if (__temp != __last)
|
|
{
|
|
if (*__temp == 'b')
|
|
{
|
|
__push_word_boundary(false);
|
|
__first = ++__temp;
|
|
}
|
|
else if (*__temp == 'B')
|
|
{
|
|
__push_word_boundary(true);
|
|
__first = ++__temp;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case '(':
|
|
{
|
|
_ForwardIterator __temp = _STD::next(__first);
|
|
if (__temp != __last && *__temp == '?')
|
|
{
|
|
if (++__temp != __last)
|
|
{
|
|
switch (*__temp)
|
|
{
|
|
case '=':
|
|
{
|
|
basic_regex __exp;
|
|
__exp.__flags_ = __flags_;
|
|
__temp = __exp.__parse(++__temp, __last);
|
|
__exp.__push_l_anchor();
|
|
__push_lookahead(_STD::move(__exp), false);
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__temp == __last || *__temp != ')')
|
|
throw regex_error(regex_constants::error_paren);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
__first = ++__temp;
|
|
}
|
|
break;
|
|
case '!':
|
|
{
|
|
basic_regex __exp;
|
|
__exp.__flags_ = __flags_;
|
|
__temp = __exp.__parse(++__temp, __last);
|
|
__exp.__push_l_anchor();
|
|
__push_lookahead(_STD::move(__exp), true);
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__temp == __last || *__temp != ')')
|
|
throw regex_error(regex_constants::error_paren);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
__first = ++__temp;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_atom(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
if (__first != __last)
|
|
{
|
|
switch (*__first)
|
|
{
|
|
case '.':
|
|
__push_match_any_but_newline();
|
|
++__first;
|
|
break;
|
|
case '\\':
|
|
__first = __parse_atom_escape(__first, __last);
|
|
break;
|
|
case '[':
|
|
__first = __parse_bracket_expression(__first, __last);
|
|
break;
|
|
case '(':
|
|
{
|
|
++__first;
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__first == __last)
|
|
throw regex_error(regex_constants::error_paren);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
_ForwardIterator __temp = _STD::next(__first);
|
|
if (__temp != __last && *__first == '?' && *__temp == ':')
|
|
{
|
|
++__open_count_;
|
|
__first = __parse_ecma_exp(++__temp, __last);
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__first == __last || *__first != ')')
|
|
throw regex_error(regex_constants::error_paren);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
--__open_count_;
|
|
++__first;
|
|
}
|
|
else
|
|
{
|
|
__push_begin_marked_subexpression();
|
|
unsigned __temp_count = __marked_count_;
|
|
++__open_count_;
|
|
__first = __parse_ecma_exp(__first, __last);
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__first == __last || *__first != ')')
|
|
throw regex_error(regex_constants::error_paren);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
__push_end_marked_subexpression(__temp_count);
|
|
--__open_count_;
|
|
++__first;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
__first = __parse_pattern_character(__first, __last);
|
|
break;
|
|
}
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_atom_escape(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
if (__first != __last && *__first == '\\')
|
|
{
|
|
_ForwardIterator __t1 = _STD::next(__first);
|
|
_ForwardIterator __t2 = __parse_decimal_escape(__t1, __last);
|
|
if (__t2 != __t1)
|
|
__first = __t2;
|
|
else
|
|
{
|
|
__t2 = __parse_character_class_escape(__t1, __last);
|
|
if (__t2 != __t1)
|
|
__first = __t2;
|
|
else
|
|
{
|
|
__t2 = __parse_character_escape(__t1, __last);
|
|
if (__t2 != __t1)
|
|
__first = __t2;
|
|
}
|
|
}
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_decimal_escape(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
if (__first != __last)
|
|
{
|
|
if (*__first == '0')
|
|
{
|
|
__push_char(_CharT());
|
|
++__first;
|
|
}
|
|
else if ('1' <= *__first && *__first <= '9')
|
|
{
|
|
unsigned __v = *__first - '0';
|
|
for (++__first; '0' <= *__first && *__first <= '9'; ++__first)
|
|
__v = 10 * __v + *__first - '0';
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__v > mark_count())
|
|
throw regex_error(regex_constants::error_backref);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
__push_back_ref(__v);
|
|
}
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_character_class_escape(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
if (__first != __last)
|
|
{
|
|
__bracket_expression<_CharT, _Traits>* __ml;
|
|
switch (*__first)
|
|
{
|
|
case 'd':
|
|
__ml = __start_matching_list(false);
|
|
__ml->__add_class(ctype_base::digit);
|
|
++__first;
|
|
break;
|
|
case 'D':
|
|
__ml = __start_matching_list(true);
|
|
__ml->__add_class(ctype_base::digit);
|
|
++__first;
|
|
break;
|
|
case 's':
|
|
__ml = __start_matching_list(false);
|
|
__ml->__add_class(ctype_base::space);
|
|
++__first;
|
|
break;
|
|
case 'S':
|
|
__ml = __start_matching_list(true);
|
|
__ml->__add_class(ctype_base::space);
|
|
++__first;
|
|
break;
|
|
case 'w':
|
|
__ml = __start_matching_list(false);
|
|
__ml->__add_class(ctype_base::alnum);
|
|
__ml->__add_char('_');
|
|
++__first;
|
|
break;
|
|
case 'W':
|
|
__ml = __start_matching_list(true);
|
|
__ml->__add_class(ctype_base::alnum);
|
|
__ml->__add_char('_');
|
|
++__first;
|
|
break;
|
|
}
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_character_escape(_ForwardIterator __first,
|
|
_ForwardIterator __last,
|
|
basic_string<_CharT>* __str)
|
|
{
|
|
if (__first != __last)
|
|
{
|
|
_ForwardIterator __t;
|
|
unsigned __sum = 0;
|
|
int __hd;
|
|
switch (*__first)
|
|
{
|
|
case 'f':
|
|
if (__str)
|
|
*__str = _CharT(0xC);
|
|
else
|
|
__push_char(_CharT(0xC));
|
|
++__first;
|
|
break;
|
|
case 'n':
|
|
if (__str)
|
|
*__str = _CharT(0xA);
|
|
else
|
|
__push_char(_CharT(0xA));
|
|
++__first;
|
|
break;
|
|
case 'r':
|
|
if (__str)
|
|
*__str = _CharT(0xD);
|
|
else
|
|
__push_char(_CharT(0xD));
|
|
++__first;
|
|
break;
|
|
case 't':
|
|
if (__str)
|
|
*__str = _CharT(0x9);
|
|
else
|
|
__push_char(_CharT(0x9));
|
|
++__first;
|
|
break;
|
|
case 'v':
|
|
if (__str)
|
|
*__str = _CharT(0xB);
|
|
else
|
|
__push_char(_CharT(0xB));
|
|
++__first;
|
|
break;
|
|
case 'c':
|
|
if ((__t = _STD::next(__first)) != __last)
|
|
{
|
|
if ('A' <= *__t <= 'Z' || 'a' <= *__t <= 'z')
|
|
{
|
|
if (__str)
|
|
*__str = _CharT(*__t % 32);
|
|
else
|
|
__push_char(_CharT(*__t % 32));
|
|
__first = ++__t;
|
|
}
|
|
}
|
|
break;
|
|
case 'u':
|
|
++__first;
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__first == __last)
|
|
throw regex_error(regex_constants::error_escape);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
__hd = __traits_.value(*__first, 16);
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__hd == -1)
|
|
throw regex_error(regex_constants::error_escape);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
__sum = 16 * __sum + __hd;
|
|
++__first;
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__first == __last)
|
|
throw regex_error(regex_constants::error_escape);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
__hd = __traits_.value(*__first, 16);
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__hd == -1)
|
|
throw regex_error(regex_constants::error_escape);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
__sum = 16 * __sum + __hd;
|
|
// drop through
|
|
case 'x':
|
|
++__first;
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__first == __last)
|
|
throw regex_error(regex_constants::error_escape);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
__hd = __traits_.value(*__first, 16);
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__hd == -1)
|
|
throw regex_error(regex_constants::error_escape);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
__sum = 16 * __sum + __hd;
|
|
++__first;
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__first == __last)
|
|
throw regex_error(regex_constants::error_escape);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
__hd = __traits_.value(*__first, 16);
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__hd == -1)
|
|
throw regex_error(regex_constants::error_escape);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
__sum = 16 * __sum + __hd;
|
|
if (__str)
|
|
*__str = _CharT(__sum);
|
|
else
|
|
__push_char(_CharT(__sum));
|
|
++__first;
|
|
break;
|
|
default:
|
|
if (*__first != '_' && !__traits_.isctype(*__first, ctype_base::alnum))
|
|
{
|
|
if (__str)
|
|
*__str = *__first;
|
|
else
|
|
__push_char(*__first);
|
|
++__first;
|
|
}
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
else if (__str)
|
|
throw regex_error(regex_constants::error_escape);
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
break;
|
|
}
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_pattern_character(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
if (__first != __last)
|
|
{
|
|
switch (*__first)
|
|
{
|
|
case '^':
|
|
case '$':
|
|
case '\\':
|
|
case '.':
|
|
case '*':
|
|
case '+':
|
|
case '?':
|
|
case '(':
|
|
case ')':
|
|
case '[':
|
|
case ']':
|
|
case '{':
|
|
case '}':
|
|
case '|':
|
|
break;
|
|
default:
|
|
__push_char(*__first);
|
|
++__first;
|
|
break;
|
|
}
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_grep(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
__owns_one_state<_CharT>* __sa = __end_;
|
|
_ForwardIterator __t1 = _STD::find(__first, __last, _CharT('\n'));
|
|
if (__t1 != __first)
|
|
__parse_basic_reg_exp(__first, __t1);
|
|
else
|
|
__push_empty();
|
|
__first = __t1;
|
|
if (__first != __last)
|
|
++__first;
|
|
while (__first != __last)
|
|
{
|
|
__t1 = _STD::find(__first, __last, _CharT('\n'));
|
|
__owns_one_state<_CharT>* __sb = __end_;
|
|
if (__t1 != __first)
|
|
__parse_basic_reg_exp(__first, __t1);
|
|
else
|
|
__push_empty();
|
|
__push_alternation(__sa, __sb);
|
|
__first = __t1;
|
|
if (__first != __last)
|
|
++__first;
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _ForwardIterator>
|
|
_ForwardIterator
|
|
basic_regex<_CharT, _Traits>::__parse_egrep(_ForwardIterator __first,
|
|
_ForwardIterator __last)
|
|
{
|
|
__owns_one_state<_CharT>* __sa = __end_;
|
|
_ForwardIterator __t1 = _STD::find(__first, __last, _CharT('\n'));
|
|
if (__t1 != __first)
|
|
__parse_extended_reg_exp(__first, __t1);
|
|
else
|
|
__push_empty();
|
|
__first = __t1;
|
|
if (__first != __last)
|
|
++__first;
|
|
while (__first != __last)
|
|
{
|
|
__t1 = _STD::find(__first, __last, _CharT('\n'));
|
|
__owns_one_state<_CharT>* __sb = __end_;
|
|
if (__t1 != __first)
|
|
__parse_extended_reg_exp(__first, __t1);
|
|
else
|
|
__push_empty();
|
|
__push_alternation(__sa, __sb);
|
|
__first = __t1;
|
|
if (__first != __last)
|
|
++__first;
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
void
|
|
basic_regex<_CharT, _Traits>::__push_loop(size_t __min, size_t __max,
|
|
__owns_one_state<_CharT>* __s, size_t __mexp_begin, size_t __mexp_end,
|
|
bool __greedy)
|
|
{
|
|
unique_ptr<__empty_state<_CharT> > __e1(new __empty_state<_CharT>(__end_->first()));
|
|
__end_->first() = nullptr;
|
|
unique_ptr<__loop<_CharT> > __e2(new __loop<_CharT>(__loop_count_,
|
|
__s->first(), __e1.get(), __mexp_begin, __mexp_end, __greedy,
|
|
__min, __max));
|
|
__s->first() = nullptr;
|
|
__e1.release();
|
|
__end_->first() = new __repeat_one_loop<_CharT>(__e2.get());
|
|
__end_ = __e2->second();
|
|
__s->first() = __e2.release();
|
|
++__loop_count_;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
void
|
|
basic_regex<_CharT, _Traits>::__push_char(value_type __c)
|
|
{
|
|
if (flags() & icase)
|
|
__end_->first() = new __match_char_icase<_CharT, _Traits>
|
|
(__traits_, __c, __end_->first());
|
|
else if (flags() & collate)
|
|
__end_->first() = new __match_char_collate<_CharT, _Traits>
|
|
(__traits_, __c, __end_->first());
|
|
else
|
|
__end_->first() = new __match_char<_CharT>(__c, __end_->first());
|
|
__end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first());
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
void
|
|
basic_regex<_CharT, _Traits>::__push_begin_marked_subexpression()
|
|
{
|
|
if (!(__flags_ & nosubs))
|
|
{
|
|
__end_->first() =
|
|
new __begin_marked_subexpression<_CharT>(++__marked_count_,
|
|
__end_->first());
|
|
__end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first());
|
|
}
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
void
|
|
basic_regex<_CharT, _Traits>::__push_end_marked_subexpression(unsigned __sub)
|
|
{
|
|
if (!(__flags_ & nosubs))
|
|
{
|
|
__end_->first() =
|
|
new __end_marked_subexpression<_CharT>(__sub, __end_->first());
|
|
__end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first());
|
|
}
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
void
|
|
basic_regex<_CharT, _Traits>::__push_r_anchor()
|
|
{
|
|
__end_->first() = new __r_anchor<_CharT>(__end_->first());
|
|
__end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first());
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
void
|
|
basic_regex<_CharT, _Traits>::__push_match_any()
|
|
{
|
|
__end_->first() = new __match_any<_CharT>(__end_->first());
|
|
__end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first());
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
void
|
|
basic_regex<_CharT, _Traits>::__push_match_any_but_newline()
|
|
{
|
|
__end_->first() = new __match_any_but_newline<_CharT>(__end_->first());
|
|
__end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first());
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
void
|
|
basic_regex<_CharT, _Traits>::__push_empty()
|
|
{
|
|
__end_->first() = new __empty_state<_CharT>(__end_->first());
|
|
__end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first());
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
void
|
|
basic_regex<_CharT, _Traits>::__push_word_boundary(bool __invert)
|
|
{
|
|
__end_->first() = new __word_boundary<_CharT, _Traits>(__traits_, __invert,
|
|
__end_->first());
|
|
__end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first());
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
void
|
|
basic_regex<_CharT, _Traits>::__push_back_ref(int __i)
|
|
{
|
|
if (flags() & icase)
|
|
__end_->first() = new __back_ref_icase<_CharT, _Traits>
|
|
(__traits_, __i, __end_->first());
|
|
else if (flags() & collate)
|
|
__end_->first() = new __back_ref_collate<_CharT, _Traits>
|
|
(__traits_, __i, __end_->first());
|
|
else
|
|
__end_->first() = new __back_ref<_CharT>(__i, __end_->first());
|
|
__end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first());
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
void
|
|
basic_regex<_CharT, _Traits>::__push_alternation(__owns_one_state<_CharT>* __sa,
|
|
__owns_one_state<_CharT>* __ea)
|
|
{
|
|
__sa->first() = new __alternate<_CharT>(
|
|
static_cast<__owns_one_state<_CharT>*>(__sa->first()),
|
|
static_cast<__owns_one_state<_CharT>*>(__ea->first()));
|
|
__ea->first() = nullptr;
|
|
__ea->first() = new __empty_state<_CharT>(__end_->first());
|
|
__end_->first() = nullptr;
|
|
__end_->first() = new __empty_non_own_state<_CharT>(__ea->first());
|
|
__end_ = static_cast<__owns_one_state<_CharT>*>(__ea->first());
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
__bracket_expression<_CharT, _Traits>*
|
|
basic_regex<_CharT, _Traits>::__start_matching_list(bool __negate)
|
|
{
|
|
__bracket_expression<_CharT, _Traits>* __r =
|
|
new __bracket_expression<_CharT, _Traits>(__traits_, __end_->first(),
|
|
__negate, __flags_ & icase,
|
|
__flags_ & collate);
|
|
__end_->first() = __r;
|
|
__end_ = __r;
|
|
return __r;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
void
|
|
basic_regex<_CharT, _Traits>::__push_lookahead(const basic_regex& __exp,
|
|
bool __invert)
|
|
{
|
|
__end_->first() = new __lookahead<_CharT, _Traits>(__exp, __invert,
|
|
__end_->first());
|
|
__end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first());
|
|
}
|
|
|
|
typedef basic_regex<char> regex;
|
|
typedef basic_regex<wchar_t> wregex;
|
|
|
|
// sub_match
|
|
|
|
template <class _BidirectionalIterator>
|
|
class sub_match
|
|
: public pair<_BidirectionalIterator, _BidirectionalIterator>
|
|
{
|
|
public:
|
|
typedef _BidirectionalIterator iterator;
|
|
typedef typename iterator_traits<iterator>::value_type value_type;
|
|
typedef typename iterator_traits<iterator>::difference_type difference_type;
|
|
typedef basic_string<value_type> string_type;
|
|
|
|
bool matched;
|
|
|
|
difference_type length() const
|
|
{return matched ? _STD::distance(this->first, this->second) : 0;}
|
|
string_type str() const
|
|
{return matched ? string_type(this->first, this->second) : string_type();}
|
|
operator string_type() const
|
|
{return str();}
|
|
|
|
int compare(const sub_match& __s) const
|
|
{return str().compare(__s.str());}
|
|
int compare(const string_type& __s) const
|
|
{return str().compare(__s);}
|
|
int compare(const value_type* __s) const
|
|
{return str().compare(__s);}
|
|
};
|
|
|
|
typedef sub_match<const char*> csub_match;
|
|
typedef sub_match<const wchar_t*> wcsub_match;
|
|
typedef sub_match<string::const_iterator> ssub_match;
|
|
typedef sub_match<wstring::const_iterator> wssub_match;
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator==(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y)
|
|
{
|
|
return __x.compare(__y) == 0;
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator!=(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y)
|
|
{
|
|
return !(__x == __y);
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator<(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y)
|
|
{
|
|
return __x.compare(__y) < 0;
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator<=(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y)
|
|
{
|
|
return !(__y < __x);
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator>=(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y)
|
|
{
|
|
return !(__x < __y);
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator>(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y)
|
|
{
|
|
return __y < __x;
|
|
}
|
|
|
|
template <class _BiIter, class _ST, class _SA>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator==(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x,
|
|
const sub_match<_BiIter>& __y)
|
|
{
|
|
return __y.compare(__x.c_str()) == 0;
|
|
}
|
|
|
|
template <class _BiIter, class _ST, class _SA>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator!=(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x,
|
|
const sub_match<_BiIter>& __y)
|
|
{
|
|
return !(__x == __y);
|
|
}
|
|
|
|
template <class _BiIter, class _ST, class _SA>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator<(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x,
|
|
const sub_match<_BiIter>& __y)
|
|
{
|
|
return __y.compare(__x.c_str()) > 0;
|
|
}
|
|
|
|
template <class _BiIter, class _ST, class _SA>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator>(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x,
|
|
const sub_match<_BiIter>& __y)
|
|
{
|
|
return __y < __x;
|
|
}
|
|
|
|
template <class _BiIter, class _ST, class _SA>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool operator>=(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x,
|
|
const sub_match<_BiIter>& __y)
|
|
{
|
|
return !(__x < __y);
|
|
}
|
|
|
|
template <class _BiIter, class _ST, class _SA>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator<=(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x,
|
|
const sub_match<_BiIter>& __y)
|
|
{
|
|
return !(__y < __x);
|
|
}
|
|
|
|
template <class _BiIter, class _ST, class _SA>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator==(const sub_match<_BiIter>& __x,
|
|
const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y)
|
|
{
|
|
return __x.compare(__y.c_str()) == 0;
|
|
}
|
|
|
|
template <class _BiIter, class _ST, class _SA>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator!=(const sub_match<_BiIter>& __x,
|
|
const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y)
|
|
{
|
|
return !(__x == __y);
|
|
}
|
|
|
|
template <class _BiIter, class _ST, class _SA>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator<(const sub_match<_BiIter>& __x,
|
|
const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y)
|
|
{
|
|
return __x.compare(__y.c_str()) < 0;
|
|
}
|
|
|
|
template <class _BiIter, class _ST, class _SA>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool operator>(const sub_match<_BiIter>& __x,
|
|
const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y)
|
|
{
|
|
return __y < __x;
|
|
}
|
|
|
|
template <class _BiIter, class _ST, class _SA>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator>=(const sub_match<_BiIter>& __x,
|
|
const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y)
|
|
{
|
|
return !(__x < __y);
|
|
}
|
|
|
|
template <class _BiIter, class _ST, class _SA>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator<=(const sub_match<_BiIter>& __x,
|
|
const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y)
|
|
{
|
|
return !(__y < __x);
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator==(typename iterator_traits<_BiIter>::value_type const* __x,
|
|
const sub_match<_BiIter>& __y)
|
|
{
|
|
return __y.compare(__x) == 0;
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator!=(typename iterator_traits<_BiIter>::value_type const* __x,
|
|
const sub_match<_BiIter>& __y)
|
|
{
|
|
return !(__x == __y);
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator<(typename iterator_traits<_BiIter>::value_type const* __x,
|
|
const sub_match<_BiIter>& __y)
|
|
{
|
|
return __y.compare(__x) > 0;
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator>(typename iterator_traits<_BiIter>::value_type const* __x,
|
|
const sub_match<_BiIter>& __y)
|
|
{
|
|
return __y < __x;
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator>=(typename iterator_traits<_BiIter>::value_type const* __x,
|
|
const sub_match<_BiIter>& __y)
|
|
{
|
|
return !(__x < __y);
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator<=(typename iterator_traits<_BiIter>::value_type const* __x,
|
|
const sub_match<_BiIter>& __y)
|
|
{
|
|
return !(__y < __x);
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator==(const sub_match<_BiIter>& __x,
|
|
typename iterator_traits<_BiIter>::value_type const* __y)
|
|
{
|
|
return __x.compare(__y) == 0;
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator!=(const sub_match<_BiIter>& __x,
|
|
typename iterator_traits<_BiIter>::value_type const* __y)
|
|
{
|
|
return !(__x == __y);
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator<(const sub_match<_BiIter>& __x,
|
|
typename iterator_traits<_BiIter>::value_type const* __y)
|
|
{
|
|
return __x.compare(__y) < 0;
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator>(const sub_match<_BiIter>& __x,
|
|
typename iterator_traits<_BiIter>::value_type const* __y)
|
|
{
|
|
return __y < __x;
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator>=(const sub_match<_BiIter>& __x,
|
|
typename iterator_traits<_BiIter>::value_type const* __y)
|
|
{
|
|
return !(__x < __y);
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator<=(const sub_match<_BiIter>& __x,
|
|
typename iterator_traits<_BiIter>::value_type const* __y)
|
|
{
|
|
return !(__y < __x);
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator==(typename iterator_traits<_BiIter>::value_type const& __x,
|
|
const sub_match<_BiIter>& __y)
|
|
{
|
|
typedef basic_string<typename iterator_traits<_BiIter>::value_type> string_type;
|
|
return __y.compare(string_type(1, __x)) == 0;
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator!=(typename iterator_traits<_BiIter>::value_type const& __x,
|
|
const sub_match<_BiIter>& __y)
|
|
{
|
|
return !(__x == __y);
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator<(typename iterator_traits<_BiIter>::value_type const& __x,
|
|
const sub_match<_BiIter>& __y)
|
|
{
|
|
typedef basic_string<typename iterator_traits<_BiIter>::value_type> string_type;
|
|
return __y.compare(string_type(1, __x)) > 0;
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator>(typename iterator_traits<_BiIter>::value_type const& __x,
|
|
const sub_match<_BiIter>& __y)
|
|
{
|
|
return __y < __x;
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator>=(typename iterator_traits<_BiIter>::value_type const& __x,
|
|
const sub_match<_BiIter>& __y)
|
|
{
|
|
return !(__x < __y);
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator<=(typename iterator_traits<_BiIter>::value_type const& __x,
|
|
const sub_match<_BiIter>& __y)
|
|
{
|
|
return !(__y < __x);
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator==(const sub_match<_BiIter>& __x,
|
|
typename iterator_traits<_BiIter>::value_type const& __y)
|
|
{
|
|
typedef basic_string<typename iterator_traits<_BiIter>::value_type> string_type;
|
|
return __x.compare(string_type(1, __y)) == 0;
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator!=(const sub_match<_BiIter>& __x,
|
|
typename iterator_traits<_BiIter>::value_type const& __y)
|
|
{
|
|
return !(__x == __y);
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator<(const sub_match<_BiIter>& __x,
|
|
typename iterator_traits<_BiIter>::value_type const& __y)
|
|
{
|
|
typedef basic_string<typename iterator_traits<_BiIter>::value_type> string_type;
|
|
return __x.compare(string_type(1, __y)) < 0;
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator>(const sub_match<_BiIter>& __x,
|
|
typename iterator_traits<_BiIter>::value_type const& __y)
|
|
{
|
|
return __y < __x;
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator>=(const sub_match<_BiIter>& __x,
|
|
typename iterator_traits<_BiIter>::value_type const& __y)
|
|
{
|
|
return !(__x < __y);
|
|
}
|
|
|
|
template <class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator<=(const sub_match<_BiIter>& __x,
|
|
typename iterator_traits<_BiIter>::value_type const& __y)
|
|
{
|
|
return !(__y < __x);
|
|
}
|
|
|
|
template <class _CharT, class _ST, class _BiIter>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
basic_ostream<_CharT, _ST>&
|
|
operator<<(basic_ostream<_CharT, _ST>& __os, const sub_match<_BiIter>& __m)
|
|
{
|
|
return __os << __m.str();
|
|
}
|
|
|
|
template <class _BidirectionalIterator, class _Allocator>
|
|
class match_results
|
|
{
|
|
public:
|
|
typedef _Allocator allocator_type;
|
|
typedef sub_match<_BidirectionalIterator> value_type;
|
|
private:
|
|
typedef vector<value_type, allocator_type> __container_type;
|
|
|
|
__container_type __matches_;
|
|
value_type __unmatched_;
|
|
value_type __prefix_;
|
|
value_type __suffix_;
|
|
public:
|
|
_BidirectionalIterator __position_start_;
|
|
typedef const value_type& const_reference;
|
|
typedef const_reference reference;
|
|
typedef typename __container_type::const_iterator const_iterator;
|
|
typedef const_iterator iterator;
|
|
typedef typename iterator_traits<_BidirectionalIterator>::difference_type difference_type;
|
|
typedef typename allocator_traits<allocator_type>::size_type size_type;
|
|
typedef typename iterator_traits<_BidirectionalIterator>::value_type char_type;
|
|
typedef basic_string<char_type> string_type;
|
|
|
|
// construct/copy/destroy:
|
|
explicit match_results(const allocator_type& __a = allocator_type());
|
|
// match_results(const match_results&) = default;
|
|
// match_results& operator=(const match_results&) = default;
|
|
// match_results(match_results&& __m) = default;
|
|
// match_results& operator=(match_results&& __m) = default;
|
|
// ~match_results() = default;
|
|
|
|
// size:
|
|
size_type size() const {return __matches_.size();}
|
|
size_type max_size() const {return __matches_.max_size();}
|
|
bool empty() const {return size() == 0;}
|
|
|
|
// element access:
|
|
difference_type length(size_type __sub = 0) const
|
|
{return (*this)[__sub].length();}
|
|
difference_type position(size_type __sub = 0) const
|
|
{return _STD::distance(__position_start_, (*this)[__sub].first);}
|
|
string_type str(size_type __sub = 0) const
|
|
{return (*this)[__sub].str();}
|
|
const_reference operator[](size_type __n) const
|
|
{return __n < __matches_.size() ? __matches_[__n] : __unmatched_;}
|
|
|
|
const_reference prefix() const {return __prefix_;}
|
|
const_reference suffix() const {return __suffix_;}
|
|
|
|
const_iterator begin() const {return empty() ? __matches_.end() : __matches_.begin() + 1;}
|
|
const_iterator end() const {return __matches_.end();}
|
|
const_iterator cbegin() const {return empty() ? __matches_.end() : __matches_.begin() + 1;}
|
|
const_iterator cend() const {return __matches_.end();}
|
|
|
|
// format:
|
|
template <class _OutputIter>
|
|
_OutputIter
|
|
format(_OutputIter __out, const char_type* __fmt_first,
|
|
const char_type* __fmt_last,
|
|
regex_constants::match_flag_type __flags = regex_constants::format_default) const;
|
|
template <class _OutputIter, class _ST, class _SA>
|
|
_OutputIter
|
|
format(_OutputIter __out, const basic_string<char_type, _ST, _SA>& __fmt,
|
|
regex_constants::match_flag_type __flags = regex_constants::format_default) const
|
|
{return format(__out, __fmt.data(), __fmt.data() + __fmt.size(), __flags);}
|
|
template <class _ST, class _SA>
|
|
basic_string<char_type, _ST, _SA>
|
|
format(const basic_string<char_type, _ST, _SA>& __fmt,
|
|
regex_constants::match_flag_type __flags = regex_constants::format_default) const
|
|
{
|
|
basic_string<char_type, _ST, _SA> __r;
|
|
format(back_inserter(__r), __fmt.data(), __fmt.data() + __fmt.size(),
|
|
__flags);
|
|
return __r;
|
|
}
|
|
string_type
|
|
format(const char_type* __fmt,
|
|
regex_constants::match_flag_type __flags = regex_constants::format_default) const
|
|
{
|
|
string_type __r;
|
|
format(back_inserter(__r), __fmt,
|
|
__fmt + char_traits<char_type>::length(__fmt), __flags);
|
|
return __r;
|
|
}
|
|
|
|
// allocator:
|
|
allocator_type get_allocator() const {return __matches_.get_allocator();}
|
|
|
|
// swap:
|
|
void swap(match_results& __m);
|
|
|
|
template <class _B, class _A>
|
|
void __assign(_BidirectionalIterator __f, _BidirectionalIterator __l,
|
|
const match_results<_B, _A>& __m, bool __no_update_pos)
|
|
{
|
|
_B __mf = __m.prefix().first;
|
|
__matches_.resize(__m.size());
|
|
for (size_type __i = 0; __i < __matches_.size(); ++__i)
|
|
{
|
|
__matches_[__i].first = next(__f, _STD::distance(__mf, __m[__i].first));
|
|
__matches_[__i].second = next(__f, _STD::distance(__mf, __m[__i].second));
|
|
__matches_[__i].matched = __m[__i].matched;
|
|
}
|
|
__unmatched_.first = __l;
|
|
__unmatched_.second = __l;
|
|
__unmatched_.matched = false;
|
|
__prefix_.first = next(__f, _STD::distance(__mf, __m.prefix().first));
|
|
__prefix_.second = next(__f, _STD::distance(__mf, __m.prefix().second));
|
|
__prefix_.matched = __m.prefix().matched;
|
|
__suffix_.first = next(__f, _STD::distance(__mf, __m.suffix().first));
|
|
__suffix_.second = next(__f, _STD::distance(__mf, __m.suffix().second));
|
|
__suffix_.matched = __m.suffix().matched;
|
|
if (!__no_update_pos)
|
|
__position_start_ = __prefix_.first;
|
|
}
|
|
|
|
private:
|
|
void __init(unsigned __s,
|
|
_BidirectionalIterator __f, _BidirectionalIterator __l,
|
|
bool __no_update_pos = false);
|
|
|
|
template <class, class> friend class basic_regex;
|
|
|
|
template <class _B, class _A, class _C, class _T>
|
|
friend
|
|
bool
|
|
regex_match(_B, _B, match_results<_B, _A>&, const basic_regex<_C, _T>&,
|
|
regex_constants::match_flag_type);
|
|
|
|
template <class _B, class _A>
|
|
friend
|
|
bool
|
|
operator==(const match_results<_B, _A>&, const match_results<_B, _A>&);
|
|
|
|
template <class, class> friend class __lookahead;
|
|
};
|
|
|
|
template <class _BidirectionalIterator, class _Allocator>
|
|
match_results<_BidirectionalIterator, _Allocator>::match_results(
|
|
const allocator_type& __a)
|
|
: __matches_(__a),
|
|
__unmatched_(),
|
|
__prefix_(),
|
|
__suffix_(),
|
|
__position_start_()
|
|
{
|
|
}
|
|
|
|
template <class _BidirectionalIterator, class _Allocator>
|
|
void
|
|
match_results<_BidirectionalIterator, _Allocator>::__init(unsigned __s,
|
|
_BidirectionalIterator __f, _BidirectionalIterator __l,
|
|
bool __no_update_pos)
|
|
{
|
|
__unmatched_.first = __l;
|
|
__unmatched_.second = __l;
|
|
__unmatched_.matched = false;
|
|
__matches_.assign(__s, __unmatched_);
|
|
__prefix_.first = __f;
|
|
__prefix_.second = __f;
|
|
__prefix_.matched = false;
|
|
__suffix_ = __unmatched_;
|
|
if (!__no_update_pos)
|
|
__position_start_ = __prefix_.first;
|
|
}
|
|
|
|
template <class _BidirectionalIterator, class _Allocator>
|
|
template <class _OutputIter>
|
|
_OutputIter
|
|
match_results<_BidirectionalIterator, _Allocator>::format(_OutputIter __out,
|
|
const char_type* __fmt_first, const char_type* __fmt_last,
|
|
regex_constants::match_flag_type __flags) const
|
|
{
|
|
if (__flags & regex_constants::format_sed)
|
|
{
|
|
for (; __fmt_first != __fmt_last; ++__fmt_first)
|
|
{
|
|
if (*__fmt_first == '&')
|
|
__out = _STD::copy(__matches_[0].first, __matches_[0].second,
|
|
__out);
|
|
else if (*__fmt_first == '\\' && __fmt_first + 1 != __fmt_last)
|
|
{
|
|
++__fmt_first;
|
|
if ('0' <= *__fmt_first && *__fmt_first <= '9')
|
|
{
|
|
size_t __i = *__fmt_first - '0';
|
|
__out = _STD::copy(__matches_[__i].first,
|
|
__matches_[__i].second, __out);
|
|
}
|
|
else
|
|
{
|
|
*__out = *__fmt_first;
|
|
++__out;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
*__out = *__fmt_first;
|
|
++__out;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (; __fmt_first != __fmt_last; ++__fmt_first)
|
|
{
|
|
if (*__fmt_first == '$' && __fmt_first + 1 != __fmt_last)
|
|
{
|
|
switch (__fmt_first[1])
|
|
{
|
|
case '$':
|
|
*__out = *++__fmt_first;
|
|
++__out;
|
|
break;
|
|
case '&':
|
|
++__fmt_first;
|
|
__out = _STD::copy(__matches_[0].first, __matches_[0].second,
|
|
__out);
|
|
break;
|
|
case '`':
|
|
++__fmt_first;
|
|
__out = _STD::copy(__prefix_.first, __prefix_.second, __out);
|
|
break;
|
|
case '\'':
|
|
++__fmt_first;
|
|
__out = _STD::copy(__suffix_.first, __suffix_.second, __out);
|
|
break;
|
|
default:
|
|
if ('0' <= __fmt_first[1] && __fmt_first[1] <= '9')
|
|
{
|
|
++__fmt_first;
|
|
size_t __i = *__fmt_first - '0';
|
|
if (__fmt_first + 1 != __fmt_last &&
|
|
'0' <= __fmt_first[1] && __fmt_first[1] <= '9')
|
|
{
|
|
++__fmt_first;
|
|
__i = 10 * __i + *__fmt_first - '0';
|
|
}
|
|
__out = _STD::copy(__matches_[__i].first,
|
|
__matches_[__i].second, __out);
|
|
}
|
|
else
|
|
{
|
|
*__out = *__fmt_first;
|
|
++__out;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
*__out = *__fmt_first;
|
|
++__out;
|
|
}
|
|
}
|
|
}
|
|
return __out;
|
|
}
|
|
|
|
template <class _BidirectionalIterator, class _Allocator>
|
|
void
|
|
match_results<_BidirectionalIterator, _Allocator>::swap(match_results& __m)
|
|
{
|
|
using _STD::swap;
|
|
swap(__matches_, __m.__matches_);
|
|
swap(__unmatched_, __m.__unmatched_);
|
|
swap(__prefix_, __m.__prefix_);
|
|
swap(__suffix_, __m.__suffix_);
|
|
swap(__position_start_, __m.__position_start_);
|
|
}
|
|
|
|
typedef match_results<const char*> cmatch;
|
|
typedef match_results<const wchar_t*> wcmatch;
|
|
typedef match_results<string::const_iterator> smatch;
|
|
typedef match_results<wstring::const_iterator> wsmatch;
|
|
|
|
template <class _BidirectionalIterator, class _Allocator>
|
|
bool
|
|
operator==(const match_results<_BidirectionalIterator, _Allocator>& __x,
|
|
const match_results<_BidirectionalIterator, _Allocator>& __y)
|
|
{
|
|
return __x.__matches_ == __y.__matches_ &&
|
|
__x.__prefix_ == __y.__prefix_ &&
|
|
__x.__suffix_ == __y.__suffix_ &&
|
|
__x.__position_start_ == __y.__position_start_;
|
|
}
|
|
|
|
template <class _BidirectionalIterator, class _Allocator>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator!=(const match_results<_BidirectionalIterator, _Allocator>& __x,
|
|
const match_results<_BidirectionalIterator, _Allocator>& __y)
|
|
{
|
|
return !(__x == __y);
|
|
}
|
|
|
|
template <class _BidirectionalIterator, class _Allocator>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
void
|
|
swap(match_results<_BidirectionalIterator, _Allocator>& __x,
|
|
match_results<_BidirectionalIterator, _Allocator>& __y)
|
|
{
|
|
__x.swap(__y);
|
|
}
|
|
|
|
// regex_search
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _Allocator>
|
|
bool
|
|
basic_regex<_CharT, _Traits>::__match_at_start_ecma(
|
|
const _CharT* __first, const _CharT* __last,
|
|
match_results<const _CharT*, _Allocator>& __m,
|
|
regex_constants::match_flag_type __flags) const
|
|
{
|
|
vector<__state> __states;
|
|
ptrdiff_t __j = 0;
|
|
ptrdiff_t _N = _STD::distance(__first, __last);
|
|
__node* __st = __start_.get();
|
|
if (__st)
|
|
{
|
|
__states.push_back(__state());
|
|
__states.back().__do_ = 0;
|
|
__states.back().__first_ = __first;
|
|
__states.back().__current_ = __first;
|
|
__states.back().__last_ = __last;
|
|
__states.back().__sub_matches_.resize(mark_count());
|
|
__states.back().__loop_data_.resize(__loop_count());
|
|
__states.back().__node_ = __st;
|
|
__states.back().__flags_ = __flags;
|
|
bool __matched = false;
|
|
do
|
|
{
|
|
__state& __s = __states.back();
|
|
if (__s.__node_)
|
|
__s.__node_->__exec(__s);
|
|
switch (__s.__do_)
|
|
{
|
|
case __state::__end_state:
|
|
__m.__matches_[0].first = __first;
|
|
__m.__matches_[0].second = _STD::next(__first, __s.__current_ - __first);
|
|
__m.__matches_[0].matched = true;
|
|
for (unsigned __i = 0; __i < __s.__sub_matches_.size(); ++__i)
|
|
__m.__matches_[__i+1] = __s.__sub_matches_[__i];
|
|
return true;
|
|
case __state::__accept_and_consume:
|
|
case __state::__repeat:
|
|
case __state::__accept_but_not_consume:
|
|
break;
|
|
case __state::__split:
|
|
{
|
|
__state __snext = __s;
|
|
__s.__node_->__exec_split(true, __s);
|
|
__snext.__node_->__exec_split(false, __snext);
|
|
__states.push_back(_STD::move(__snext));
|
|
}
|
|
break;
|
|
case __state::__reject:
|
|
__states.pop_back();
|
|
break;
|
|
default:
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
throw regex_error(regex_constants::__re_err_unknown);
|
|
#endif
|
|
break;
|
|
|
|
}
|
|
} while (!__states.empty());
|
|
}
|
|
return false;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _Allocator>
|
|
bool
|
|
basic_regex<_CharT, _Traits>::__match_at_start_posix_nosubs(
|
|
const _CharT* __first, const _CharT* __last,
|
|
match_results<const _CharT*, _Allocator>& __m,
|
|
regex_constants::match_flag_type __flags) const
|
|
{
|
|
deque<__state> __states;
|
|
ptrdiff_t __highest_j = 0;
|
|
ptrdiff_t _N = _STD::distance(__first, __last);
|
|
__node* __st = __start_.get();
|
|
if (__st)
|
|
{
|
|
__states.push_back(__state());
|
|
__states.back().__do_ = 0;
|
|
__states.back().__first_ = __first;
|
|
__states.back().__current_ = __first;
|
|
__states.back().__last_ = __last;
|
|
__states.back().__loop_data_.resize(__loop_count());
|
|
__states.back().__node_ = __st;
|
|
__states.back().__flags_ = __flags;
|
|
bool __matched = false;
|
|
do
|
|
{
|
|
__state& __s = __states.back();
|
|
if (__s.__node_)
|
|
__s.__node_->__exec(__s);
|
|
switch (__s.__do_)
|
|
{
|
|
case __state::__end_state:
|
|
if (!__matched || __highest_j < __s.__current_ - __s.__first_)
|
|
__highest_j = __s.__current_ - __s.__first_;
|
|
__matched = true;
|
|
if (__highest_j == _N)
|
|
__states.clear();
|
|
else
|
|
__states.pop_back();
|
|
break;
|
|
case __state::__consume_input:
|
|
break;
|
|
case __state::__accept_and_consume:
|
|
__states.push_front(_STD::move(__s));
|
|
__states.pop_back();
|
|
break;
|
|
case __state::__repeat:
|
|
case __state::__accept_but_not_consume:
|
|
break;
|
|
case __state::__split:
|
|
{
|
|
__state __snext = __s;
|
|
__s.__node_->__exec_split(true, __s);
|
|
__snext.__node_->__exec_split(false, __snext);
|
|
__states.push_back(_STD::move(__snext));
|
|
}
|
|
break;
|
|
case __state::__reject:
|
|
__states.pop_back();
|
|
break;
|
|
default:
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
throw regex_error(regex_constants::__re_err_unknown);
|
|
#endif
|
|
break;
|
|
}
|
|
} while (!__states.empty());
|
|
if (__matched)
|
|
{
|
|
__m.__matches_[0].first = __first;
|
|
__m.__matches_[0].second = _STD::next(__first, __highest_j);
|
|
__m.__matches_[0].matched = true;
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _Allocator>
|
|
bool
|
|
basic_regex<_CharT, _Traits>::__match_at_start_posix_subs(
|
|
const _CharT* __first, const _CharT* __last,
|
|
match_results<const _CharT*, _Allocator>& __m,
|
|
regex_constants::match_flag_type __flags) const
|
|
{
|
|
vector<__state> __states;
|
|
__state __best_state;
|
|
ptrdiff_t __j = 0;
|
|
ptrdiff_t __highest_j = 0;
|
|
ptrdiff_t _N = _STD::distance(__first, __last);
|
|
__node* __st = __start_.get();
|
|
if (__st)
|
|
{
|
|
__states.push_back(__state());
|
|
__states.back().__do_ = 0;
|
|
__states.back().__first_ = __first;
|
|
__states.back().__current_ = __first;
|
|
__states.back().__last_ = __last;
|
|
__states.back().__sub_matches_.resize(mark_count());
|
|
__states.back().__loop_data_.resize(__loop_count());
|
|
__states.back().__node_ = __st;
|
|
__states.back().__flags_ = __flags;
|
|
const _CharT* __current = __first;
|
|
bool __matched = false;
|
|
do
|
|
{
|
|
__state& __s = __states.back();
|
|
if (__s.__node_)
|
|
__s.__node_->__exec(__s);
|
|
switch (__s.__do_)
|
|
{
|
|
case __state::__end_state:
|
|
if (!__matched || __highest_j < __s.__current_ - __s.__first_)
|
|
{
|
|
__highest_j = __s.__current_ - __s.__first_;
|
|
__best_state = __s;
|
|
}
|
|
__matched = true;
|
|
if (__highest_j == _N)
|
|
__states.clear();
|
|
else
|
|
__states.pop_back();
|
|
break;
|
|
case __state::__accept_and_consume:
|
|
__j += __s.__current_ - __current;
|
|
__current = __s.__current_;
|
|
break;
|
|
case __state::__repeat:
|
|
case __state::__accept_but_not_consume:
|
|
break;
|
|
case __state::__split:
|
|
{
|
|
__state __snext = __s;
|
|
__s.__node_->__exec_split(true, __s);
|
|
__snext.__node_->__exec_split(false, __snext);
|
|
__states.push_back(_STD::move(__snext));
|
|
}
|
|
break;
|
|
case __state::__reject:
|
|
__states.pop_back();
|
|
break;
|
|
default:
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
throw regex_error(regex_constants::__re_err_unknown);
|
|
#endif
|
|
break;
|
|
}
|
|
} while (!__states.empty());
|
|
if (__matched)
|
|
{
|
|
__m.__matches_[0].first = __first;
|
|
__m.__matches_[0].second = _STD::next(__first, __highest_j);
|
|
__m.__matches_[0].matched = true;
|
|
for (unsigned __i = 0; __i < __best_state.__sub_matches_.size(); ++__i)
|
|
__m.__matches_[__i+1] = __best_state.__sub_matches_[__i];
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _Allocator>
|
|
bool
|
|
basic_regex<_CharT, _Traits>::__match_at_start(
|
|
const _CharT* __first, const _CharT* __last,
|
|
match_results<const _CharT*, _Allocator>& __m,
|
|
regex_constants::match_flag_type __flags) const
|
|
{
|
|
if ((__flags_ & 0x1F0) == ECMAScript)
|
|
return __match_at_start_ecma(__first, __last, __m, __flags);
|
|
if (mark_count() == 0)
|
|
return __match_at_start_posix_nosubs(__first, __last, __m, __flags);
|
|
return __match_at_start_posix_subs(__first, __last, __m, __flags);
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
template <class _Allocator>
|
|
bool
|
|
basic_regex<_CharT, _Traits>::__search(
|
|
const _CharT* __first, const _CharT* __last,
|
|
match_results<const _CharT*, _Allocator>& __m,
|
|
regex_constants::match_flag_type __flags) const
|
|
{
|
|
if (__left_anchor_)
|
|
__flags |= regex_constants::match_continuous;
|
|
__m.__init(1 + mark_count(), __first, __last,
|
|
__flags & regex_constants::__no_update_pos);
|
|
if (__match_at_start(__first, __last, __m, __flags))
|
|
{
|
|
__m.__prefix_.second = __m[0].first;
|
|
__m.__prefix_.matched = __m.__prefix_.first != __m.__prefix_.second;
|
|
__m.__suffix_.first = __m[0].second;
|
|
__m.__suffix_.matched = __m.__suffix_.first != __m.__suffix_.second;
|
|
return true;
|
|
}
|
|
if (__first != __last && !(__flags & regex_constants::match_continuous))
|
|
{
|
|
__flags |= regex_constants::match_prev_avail;
|
|
for (++__first; __first != __last; ++__first)
|
|
{
|
|
__m.__matches_.assign(__m.size(), __m.__unmatched_);
|
|
if (__match_at_start(__first, __last, __m, __flags))
|
|
{
|
|
__m.__prefix_.second = __m[0].first;
|
|
__m.__prefix_.matched = __m.__prefix_.first != __m.__prefix_.second;
|
|
__m.__suffix_.first = __m[0].second;
|
|
__m.__suffix_.matched = __m.__suffix_.first != __m.__suffix_.second;
|
|
return true;
|
|
}
|
|
__m.__matches_.assign(__m.size(), __m.__unmatched_);
|
|
}
|
|
}
|
|
__m.__matches_.clear();
|
|
return false;
|
|
}
|
|
|
|
template <class _BidirectionalIterator, class _Allocator, class _CharT, class _Traits>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
regex_search(_BidirectionalIterator __first, _BidirectionalIterator __last,
|
|
match_results<_BidirectionalIterator, _Allocator>& __m,
|
|
const basic_regex<_CharT, _Traits>& __e,
|
|
regex_constants::match_flag_type __flags = regex_constants::match_default)
|
|
{
|
|
basic_string<_CharT> __s(__first, __last);
|
|
match_results<const _CharT*> __mc;
|
|
bool __r = __e.__search(__s.data(), __s.data() + __s.size(), __mc, __flags);
|
|
__m.__assign(__first, __last, __mc, __flags & regex_constants::__no_update_pos);
|
|
return __r;
|
|
}
|
|
|
|
template <class _Allocator, class _CharT, class _Traits>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
regex_search(const _CharT* __first, const _CharT* __last,
|
|
match_results<const _CharT*, _Allocator>& __m,
|
|
const basic_regex<_CharT, _Traits>& __e,
|
|
regex_constants::match_flag_type __flags = regex_constants::match_default)
|
|
{
|
|
return __e.__search(__first, __last, __m, __flags);
|
|
}
|
|
|
|
template <class _BidirectionalIterator, class _CharT, class _Traits>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
regex_search(_BidirectionalIterator __first, _BidirectionalIterator __last,
|
|
const basic_regex<_CharT, _Traits>& __e,
|
|
regex_constants::match_flag_type __flags = regex_constants::match_default)
|
|
{
|
|
basic_string<_CharT> __s(__first, __last);
|
|
match_results<const _CharT*> __mc;
|
|
return __e.__search(__s.data(), __s.data() + __s.size(), __mc, __flags);
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
regex_search(const _CharT* __first, const _CharT* __last,
|
|
const basic_regex<_CharT, _Traits>& __e,
|
|
regex_constants::match_flag_type __flags = regex_constants::match_default)
|
|
{
|
|
match_results<const _CharT*> __mc;
|
|
return __e.__search(__first, __last, __mc, __flags);
|
|
}
|
|
|
|
template <class _CharT, class _Allocator, class _Traits>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
regex_search(const _CharT* __str, match_results<const _CharT*, _Allocator>& __m,
|
|
const basic_regex<_CharT, _Traits>& __e,
|
|
regex_constants::match_flag_type __flags = regex_constants::match_default)
|
|
{
|
|
return __e.__search(__str, __str + _Traits::length(__str), __m, __flags);
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
regex_search(const _CharT* __str, const basic_regex<_CharT, _Traits>& __e,
|
|
regex_constants::match_flag_type __flags = regex_constants::match_default)
|
|
{
|
|
match_results<const _CharT*> __m;
|
|
return _STD::regex_search(__str, __m, __e, __flags);
|
|
}
|
|
|
|
template <class _ST, class _SA, class _CharT, class _Traits>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
regex_search(const basic_string<_CharT, _ST, _SA>& __s,
|
|
const basic_regex<_CharT, _Traits>& __e,
|
|
regex_constants::match_flag_type __flags = regex_constants::match_default)
|
|
{
|
|
match_results<const _CharT*> __mc;
|
|
return __e.__search(__s.data(), __s.data() + __s.size(), __mc, __flags);
|
|
}
|
|
|
|
template <class _ST, class _SA, class _Allocator, class _CharT, class _Traits>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
regex_search(const basic_string<_CharT, _ST, _SA>& __s,
|
|
match_results<typename basic_string<_CharT, _ST, _SA>::const_iterator, _Allocator>& __m,
|
|
const basic_regex<_CharT, _Traits>& __e,
|
|
regex_constants::match_flag_type __flags = regex_constants::match_default)
|
|
{
|
|
match_results<const _CharT*> __mc;
|
|
bool __r = __e.__search(__s.data(), __s.data() + __s.size(), __mc, __flags);
|
|
__m.__assign(__s.begin(), __s.end(), __mc, __flags & regex_constants::__no_update_pos);
|
|
return __r;
|
|
}
|
|
|
|
// regex_match
|
|
|
|
template <class _BidirectionalIterator, class _Allocator, class _CharT, class _Traits>
|
|
bool
|
|
regex_match(_BidirectionalIterator __first, _BidirectionalIterator __last,
|
|
match_results<_BidirectionalIterator, _Allocator>& __m,
|
|
const basic_regex<_CharT, _Traits>& __e,
|
|
regex_constants::match_flag_type __flags = regex_constants::match_default)
|
|
{
|
|
bool __r = _STD::regex_search(__first, __last, __m, __e,
|
|
__flags | regex_constants::match_continuous);
|
|
if (__r)
|
|
{
|
|
__r = !__m.suffix().matched;
|
|
if (!__r)
|
|
__m.__matches_.clear();
|
|
}
|
|
return __r;
|
|
}
|
|
|
|
template <class _BidirectionalIterator, class _CharT, class _Traits>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
regex_match(_BidirectionalIterator __first, _BidirectionalIterator __last,
|
|
const basic_regex<_CharT, _Traits>& __e,
|
|
regex_constants::match_flag_type __flags = regex_constants::match_default)
|
|
{
|
|
match_results<_BidirectionalIterator> __m;
|
|
return _STD::regex_match(__first, __last, __m, __e, __flags);
|
|
}
|
|
|
|
template <class _CharT, class _Allocator, class _Traits>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
regex_match(const _CharT* __str, match_results<const _CharT*, _Allocator>& __m,
|
|
const basic_regex<_CharT, _Traits>& __e,
|
|
regex_constants::match_flag_type __flags = regex_constants::match_default)
|
|
{
|
|
return _STD::regex_match(__str, __str + _Traits::length(__str), __m, __e, __flags);
|
|
}
|
|
|
|
template <class _ST, class _SA, class _Allocator, class _CharT, class _Traits>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
regex_match(const basic_string<_CharT, _ST, _SA>& __s,
|
|
match_results<typename basic_string<_CharT, _ST, _SA>::const_iterator, _Allocator>& __m,
|
|
const basic_regex<_CharT, _Traits>& __e,
|
|
regex_constants::match_flag_type __flags = regex_constants::match_default)
|
|
{
|
|
return _STD::regex_match(__s.begin(), __s.end(), __m, __e, __flags);
|
|
}
|
|
|
|
template <class _CharT, class _Traits>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
regex_match(const _CharT* __str, const basic_regex<_CharT, _Traits>& __e,
|
|
regex_constants::match_flag_type __flags = regex_constants::match_default)
|
|
{
|
|
return _STD::regex_match(__str, __str + _Traits::length(__str), __e, __flags);
|
|
}
|
|
|
|
template <class _ST, class _SA, class _CharT, class _Traits>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
regex_match(const basic_string<_CharT, _ST, _SA>& __s,
|
|
const basic_regex<_CharT, _Traits>& __e,
|
|
regex_constants::match_flag_type __flags = regex_constants::match_default)
|
|
{
|
|
return _STD::regex_match(__s.begin(), __s.end(), __e, __flags);
|
|
}
|
|
|
|
// regex_iterator
|
|
|
|
template <class _BidirectionalIterator,
|
|
class _CharT = typename iterator_traits<_BidirectionalIterator>::value_type,
|
|
class _Traits = regex_traits<_CharT> >
|
|
class regex_iterator
|
|
{
|
|
public:
|
|
typedef basic_regex<_CharT, _Traits> regex_type;
|
|
typedef match_results<_BidirectionalIterator> value_type;
|
|
typedef ptrdiff_t difference_type;
|
|
typedef const value_type* pointer;
|
|
typedef const value_type& reference;
|
|
typedef forward_iterator_tag iterator_category;
|
|
|
|
private:
|
|
_BidirectionalIterator __begin_;
|
|
_BidirectionalIterator __end_;
|
|
const regex_type* __pregex_;
|
|
regex_constants::match_flag_type __flags_;
|
|
value_type __match_;
|
|
|
|
public:
|
|
regex_iterator();
|
|
regex_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b,
|
|
const regex_type& __re,
|
|
regex_constants::match_flag_type __m = regex_constants::match_default);
|
|
|
|
bool operator==(const regex_iterator& __x) const;
|
|
bool operator!=(const regex_iterator& __x) const {return !(*this == __x);}
|
|
|
|
reference operator*() const {return __match_;}
|
|
pointer operator->() const {return &__match_;}
|
|
|
|
regex_iterator& operator++();
|
|
regex_iterator operator++(int)
|
|
{
|
|
regex_iterator __t(*this);
|
|
++(*this);
|
|
return __t;
|
|
}
|
|
};
|
|
|
|
template <class _BidirectionalIterator, class _CharT, class _Traits>
|
|
regex_iterator<_BidirectionalIterator, _CharT, _Traits>::regex_iterator()
|
|
: __begin_(), __end_(), __pregex_(nullptr), __flags_(), __match_()
|
|
{
|
|
}
|
|
|
|
template <class _BidirectionalIterator, class _CharT, class _Traits>
|
|
regex_iterator<_BidirectionalIterator, _CharT, _Traits>::
|
|
regex_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b,
|
|
const regex_type& __re, regex_constants::match_flag_type __m)
|
|
: __begin_(__a),
|
|
__end_(__b),
|
|
__pregex_(&__re),
|
|
__flags_(__m)
|
|
{
|
|
_STD::regex_search(__begin_, __end_, __match_, *__pregex_, __flags_);
|
|
}
|
|
|
|
template <class _BidirectionalIterator, class _CharT, class _Traits>
|
|
bool
|
|
regex_iterator<_BidirectionalIterator, _CharT, _Traits>::
|
|
operator==(const regex_iterator& __x) const
|
|
{
|
|
if (__match_.empty() && __x.__match_.empty())
|
|
return true;
|
|
if (__match_.empty() || __x.__match_.empty())
|
|
return false;
|
|
return __begin_ == __x.__begin_ &&
|
|
__end_ == __x.__end_ &&
|
|
__pregex_ == __x.__pregex_ &&
|
|
__flags_ == __x.__flags_ &&
|
|
__match_[0] == __x.__match_[0];
|
|
}
|
|
|
|
template <class _BidirectionalIterator, class _CharT, class _Traits>
|
|
regex_iterator<_BidirectionalIterator, _CharT, _Traits>&
|
|
regex_iterator<_BidirectionalIterator, _CharT, _Traits>::operator++()
|
|
{
|
|
__flags_ |= regex_constants::__no_update_pos;
|
|
_BidirectionalIterator __start = __match_[0].second;
|
|
if (__match_.length() == 0)
|
|
{
|
|
if (__start == __end_)
|
|
{
|
|
__match_ = value_type();
|
|
return *this;
|
|
}
|
|
else if (_STD::regex_search(__start, __end_, __match_, *__pregex_,
|
|
__flags_ | regex_constants::match_not_null |
|
|
regex_constants::match_continuous))
|
|
return *this;
|
|
else
|
|
++__start;
|
|
}
|
|
__flags_ |= regex_constants::match_prev_avail;
|
|
if (!_STD::regex_search(__start, __end_, __match_, *__pregex_, __flags_))
|
|
__match_ = value_type();
|
|
return *this;
|
|
}
|
|
|
|
typedef regex_iterator<const char*> cregex_iterator;
|
|
typedef regex_iterator<const wchar_t*> wcregex_iterator;
|
|
typedef regex_iterator<string::const_iterator> sregex_iterator;
|
|
typedef regex_iterator<wstring::const_iterator> wsregex_iterator;
|
|
|
|
// regex_token_iterator
|
|
|
|
template <class _BidirectionalIterator,
|
|
class _CharT = typename iterator_traits<_BidirectionalIterator>::value_type,
|
|
class _Traits = regex_traits<_CharT> >
|
|
class regex_token_iterator
|
|
{
|
|
public:
|
|
typedef basic_regex<_CharT, _Traits> regex_type;
|
|
typedef sub_match<_BidirectionalIterator> value_type;
|
|
typedef ptrdiff_t difference_type;
|
|
typedef const value_type* pointer;
|
|
typedef const value_type& reference;
|
|
typedef forward_iterator_tag iterator_category;
|
|
|
|
private:
|
|
typedef regex_iterator<_BidirectionalIterator, _CharT, _Traits> _Position;
|
|
|
|
_Position __position_;
|
|
const value_type* __result_;
|
|
value_type __suffix_;
|
|
ptrdiff_t _N_;
|
|
vector<int> __subs_;
|
|
|
|
public:
|
|
regex_token_iterator();
|
|
regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b,
|
|
const regex_type& __re, int __submatch = 0,
|
|
regex_constants::match_flag_type __m =
|
|
regex_constants::match_default);
|
|
regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b,
|
|
const regex_type& __re, const vector<int>& __submatches,
|
|
regex_constants::match_flag_type __m =
|
|
regex_constants::match_default);
|
|
regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b,
|
|
const regex_type& __re,
|
|
initializer_list<int> __submatches,
|
|
regex_constants::match_flag_type __m =
|
|
regex_constants::match_default);
|
|
template <size_t _N>
|
|
regex_token_iterator(_BidirectionalIterator __a,
|
|
_BidirectionalIterator __b,
|
|
const regex_type& __re,
|
|
const int (&__submatches)[_N],
|
|
regex_constants::match_flag_type __m =
|
|
regex_constants::match_default);
|
|
regex_token_iterator(const regex_token_iterator&);
|
|
regex_token_iterator& operator=(const regex_token_iterator&);
|
|
|
|
bool operator==(const regex_token_iterator& __x) const;
|
|
bool operator!=(const regex_token_iterator& __x) const {return !(*this == __x);}
|
|
|
|
const value_type& operator*() const {return *__result_;}
|
|
const value_type* operator->() const {return __result_;}
|
|
|
|
regex_token_iterator& operator++();
|
|
regex_token_iterator operator++(int)
|
|
{
|
|
regex_token_iterator __t(*this);
|
|
++(*this);
|
|
return __t;
|
|
}
|
|
|
|
private:
|
|
void __init(_BidirectionalIterator __a, _BidirectionalIterator __b);
|
|
};
|
|
|
|
template <class _BidirectionalIterator, class _CharT, class _Traits>
|
|
regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>::
|
|
regex_token_iterator()
|
|
: __result_(nullptr),
|
|
__suffix_(),
|
|
_N_(0)
|
|
{
|
|
}
|
|
|
|
template <class _BidirectionalIterator, class _CharT, class _Traits>
|
|
void
|
|
regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>::
|
|
__init(_BidirectionalIterator __a, _BidirectionalIterator __b)
|
|
{
|
|
if (__position_ != _Position())
|
|
{
|
|
if (__subs_[_N_] == -1)
|
|
__result_ = &__position_->prefix();
|
|
else
|
|
__result_ = &(*__position_)[__subs_[_N_]];
|
|
}
|
|
else if (__subs_[_N_] == -1)
|
|
{
|
|
__suffix_.matched = true;
|
|
__suffix_.first = __a;
|
|
__suffix_.second = __b;
|
|
__result_ = &__suffix_;
|
|
}
|
|
else
|
|
__result_ = nullptr;
|
|
}
|
|
|
|
template <class _BidirectionalIterator, class _CharT, class _Traits>
|
|
regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>::
|
|
regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b,
|
|
const regex_type& __re, int __submatch,
|
|
regex_constants::match_flag_type __m)
|
|
: __position_(__a, __b, __re, __m),
|
|
_N_(0),
|
|
__subs_(1, __submatch)
|
|
{
|
|
__init(__a, __b);
|
|
}
|
|
|
|
template <class _BidirectionalIterator, class _CharT, class _Traits>
|
|
regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>::
|
|
regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b,
|
|
const regex_type& __re, const vector<int>& __submatches,
|
|
regex_constants::match_flag_type __m)
|
|
: __position_(__a, __b, __re, __m),
|
|
_N_(0),
|
|
__subs_(__submatches)
|
|
{
|
|
__init(__a, __b);
|
|
}
|
|
|
|
template <class _BidirectionalIterator, class _CharT, class _Traits>
|
|
regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>::
|
|
regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b,
|
|
const regex_type& __re,
|
|
initializer_list<int> __submatches,
|
|
regex_constants::match_flag_type __m)
|
|
: __position_(__a, __b, __re, __m),
|
|
_N_(0),
|
|
__subs_(__submatches)
|
|
{
|
|
__init(__a, __b);
|
|
}
|
|
|
|
template <class _BidirectionalIterator, class _CharT, class _Traits>
|
|
template <size_t _N>
|
|
regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>::
|
|
regex_token_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b,
|
|
const regex_type& __re,
|
|
const int (&__submatches)[_N],
|
|
regex_constants::match_flag_type __m)
|
|
: __position_(__a, __b, __re, __m),
|
|
_N_(0),
|
|
__subs_(__submatches, __submatches + _N)
|
|
{
|
|
__init(__a, __b);
|
|
}
|
|
|
|
template <class _BidirectionalIterator, class _CharT, class _Traits>
|
|
regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>::
|
|
regex_token_iterator(const regex_token_iterator& __x)
|
|
: __position_(__x.__position_),
|
|
__result_(__x.__result_),
|
|
__suffix_(__x.__suffix_),
|
|
_N_(__x._N_),
|
|
__subs_(__x.__subs_)
|
|
{
|
|
if (__x.__result_ == &__x.__suffix_)
|
|
__result_ == &__suffix_;
|
|
}
|
|
|
|
template <class _BidirectionalIterator, class _CharT, class _Traits>
|
|
regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>&
|
|
regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>::
|
|
operator=(const regex_token_iterator& __x)
|
|
{
|
|
if (this != &__x)
|
|
{
|
|
__position_ = __x.__position_;
|
|
if (__x.__result_ == &__x.__suffix_)
|
|
__result_ == &__suffix_;
|
|
else
|
|
__result_ = __x.__result_;
|
|
__suffix_ = __x.__suffix_;
|
|
_N_ = __x._N_;
|
|
__subs_ = __x.__subs_;
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
template <class _BidirectionalIterator, class _CharT, class _Traits>
|
|
bool
|
|
regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>::
|
|
operator==(const regex_token_iterator& __x) const
|
|
{
|
|
if (__result_ == nullptr && __x.__result_ == nullptr)
|
|
return true;
|
|
if (__result_ == &__suffix_ && __x.__result_ == &__x.__suffix_ &&
|
|
__suffix_ == __x.__suffix_)
|
|
return true;
|
|
if (__result_ == nullptr || __x.__result_ == nullptr)
|
|
return false;
|
|
if (__result_ == &__suffix_ || __x.__result_ == &__x.__suffix_)
|
|
return false;
|
|
return __position_ == __x.__position_ && _N_ == __x._N_ &&
|
|
__subs_ == __x.__subs_;
|
|
}
|
|
|
|
template <class _BidirectionalIterator, class _CharT, class _Traits>
|
|
regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>&
|
|
regex_token_iterator<_BidirectionalIterator, _CharT, _Traits>::operator++()
|
|
{
|
|
_Position __prev = __position_;
|
|
if (__result_ == &__suffix_)
|
|
__result_ = nullptr;
|
|
else if (_N_ + 1 < __subs_.size())
|
|
{
|
|
++_N_;
|
|
if (__subs_[_N_] == -1)
|
|
__result_ = &__position_->prefix();
|
|
else
|
|
__result_ = &(*__position_)[__subs_[_N_]];
|
|
}
|
|
else
|
|
{
|
|
_N_ = 0;
|
|
++__position_;
|
|
if (__position_ != _Position())
|
|
{
|
|
if (__subs_[_N_] == -1)
|
|
__result_ = &__position_->prefix();
|
|
else
|
|
__result_ = &(*__position_)[__subs_[_N_]];
|
|
}
|
|
else
|
|
{
|
|
if (_STD::find(__subs_.begin(), __subs_.end(), -1) != __subs_.end()
|
|
&& __prev->suffix().length() != 0)
|
|
{
|
|
__suffix_.matched = true;
|
|
__suffix_.first = __prev->suffix().first;
|
|
__suffix_.second = __prev->suffix().second;
|
|
__result_ = &__suffix_;
|
|
}
|
|
else
|
|
__result_ = nullptr;
|
|
}
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
typedef regex_token_iterator<const char*> cregex_token_iterator;
|
|
typedef regex_token_iterator<const wchar_t*> wcregex_token_iterator;
|
|
typedef regex_token_iterator<string::const_iterator> sregex_token_iterator;
|
|
typedef regex_token_iterator<wstring::const_iterator> wsregex_token_iterator;
|
|
|
|
// regex_replace
|
|
|
|
template <class _OutputIterator, class _BidirectionalIterator,
|
|
class _Traits, class _CharT>
|
|
_OutputIterator
|
|
regex_replace(_OutputIterator __out,
|
|
_BidirectionalIterator __first, _BidirectionalIterator __last,
|
|
const basic_regex<_CharT, _Traits>& __e, const _CharT* __fmt,
|
|
regex_constants::match_flag_type __flags = regex_constants::match_default)
|
|
{
|
|
typedef regex_iterator<_BidirectionalIterator, _CharT, _Traits> _Iter;
|
|
_Iter __i(__first, __last, __e, __flags);
|
|
_Iter __eof;
|
|
if (__i == __eof)
|
|
{
|
|
if (!(__flags & regex_constants::format_no_copy))
|
|
__out = _STD::copy(__first, __last, __out);
|
|
}
|
|
else
|
|
{
|
|
sub_match<_BidirectionalIterator> __lm;
|
|
for (size_t __len = char_traits<_CharT>::length(__fmt); __i != __eof; ++__i)
|
|
{
|
|
if (!(__flags & regex_constants::format_no_copy))
|
|
__out = _STD::copy(__i->prefix().first, __i->prefix().second, __out);
|
|
__out = __i->format(__out, __fmt, __fmt + __len, __flags);
|
|
__lm = __i->suffix();
|
|
if (__flags & regex_constants::format_first_only)
|
|
break;
|
|
}
|
|
if (!(__flags & regex_constants::format_no_copy))
|
|
__out = _STD::copy(__lm.first, __lm.second, __out);
|
|
}
|
|
return __out;
|
|
}
|
|
|
|
template <class _OutputIterator, class _BidirectionalIterator,
|
|
class _Traits, class _CharT, class _ST, class _SA>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
_OutputIterator
|
|
regex_replace(_OutputIterator __out,
|
|
_BidirectionalIterator __first, _BidirectionalIterator __last,
|
|
const basic_regex<_CharT, _Traits>& __e,
|
|
const basic_string<_CharT, _ST, _SA>& __fmt,
|
|
regex_constants::match_flag_type __flags = regex_constants::match_default)
|
|
{
|
|
return _STD::regex_replace(__out, __first, __last, __e, __fmt.c_str(), __flags);
|
|
}
|
|
|
|
template <class _Traits, class _CharT, class _ST, class _SA, class _FST,
|
|
class _FSA>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
basic_string<_CharT, _ST, _SA>
|
|
regex_replace(const basic_string<_CharT, _ST, _SA>& __s,
|
|
const basic_regex<_CharT, _Traits>& __e,
|
|
const basic_string<_CharT, _FST, _FSA>& __fmt,
|
|
regex_constants::match_flag_type __flags = regex_constants::match_default)
|
|
{
|
|
basic_string<_CharT, _ST, _SA> __r;
|
|
_STD::regex_replace(back_inserter(__r), __s.begin(), __s.end(), __e,
|
|
__fmt.c_str(), __flags);
|
|
return __r;
|
|
}
|
|
|
|
template <class _Traits, class _CharT, class _ST, class _SA>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
basic_string<_CharT, _ST, _SA>
|
|
regex_replace(const basic_string<_CharT, _ST, _SA>& __s,
|
|
const basic_regex<_CharT, _Traits>& __e, const _CharT* __fmt,
|
|
regex_constants::match_flag_type __flags = regex_constants::match_default)
|
|
{
|
|
basic_string<_CharT, _ST, _SA> __r;
|
|
_STD::regex_replace(back_inserter(__r), __s.begin(), __s.end(), __e,
|
|
__fmt, __flags);
|
|
return __r;
|
|
}
|
|
|
|
template <class _Traits, class _CharT, class _ST, class _SA>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
basic_string<_CharT>
|
|
regex_replace(const _CharT* __s,
|
|
const basic_regex<_CharT, _Traits>& __e,
|
|
const basic_string<_CharT, _ST, _SA>& __fmt,
|
|
regex_constants::match_flag_type __flags = regex_constants::match_default)
|
|
{
|
|
basic_string<_CharT> __r;
|
|
_STD::regex_replace(back_inserter(__r), __s,
|
|
__s + char_traits<_CharT>::length(__s), __e,
|
|
__fmt.c_str(), __flags);
|
|
return __r;
|
|
}
|
|
|
|
template <class _Traits, class _CharT>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
basic_string<_CharT>
|
|
regex_replace(const _CharT* __s,
|
|
const basic_regex<_CharT, _Traits>& __e,
|
|
const _CharT* __fmt,
|
|
regex_constants::match_flag_type __flags = regex_constants::match_default)
|
|
{
|
|
basic_string<_CharT> __r;
|
|
_STD::regex_replace(back_inserter(__r), __s,
|
|
__s + char_traits<_CharT>::length(__s), __e,
|
|
__fmt, __flags);
|
|
return __r;
|
|
}
|
|
|
|
_LIBCPP_END_NAMESPACE_STD
|
|
|
|
#endif // _LIBCPP_REGEX
|