[re.submatch]

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@107187 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Howard Hinnant 2010-06-29 18:37:43 +00:00
parent db0bc3427e
commit cd85b9ee13
11 changed files with 1505 additions and 13 deletions

View File

@ -721,6 +721,9 @@ typedef regex_token_iterator<wstring::const_iterator> wsregex_token_iterator;
#include <stdexcept>
#include <__locale>
#include <initializer_list>
#include <utility>
#include <iterator>
#include <string>
#pragma GCC system_header
@ -1209,6 +1212,114 @@ 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 __transition;
template <class _CharT>
class __state
{
typedef __transition<_CharT> __transition;
__transition* __t1_;
__transition* __t2_;
int __state_;
enum
{
__1_not_tried = 0,
__1_succeded = 1,
__1_failed = 2,
__2_not_tried = 0,
__2_succeded = 4,
__2_failed = 8
};
__state(const __state&);
__state& operator=(const __state&);
public:
__state()
: __t1_(), __t2_(), __state_() {}
~__state();
const __state* operator()(_CharT __c);
void __add_one(__transition* __t) {__t1_ = __t;}
};
template <class _CharT>
__state<_CharT>::~__state()
{
delete __t1_;
delete __t2_;
}
template <class _CharT>
const __state<_CharT>*
__state<_CharT>::operator()(_CharT __c)
{
const __state* __r = nullptr;
if ((__state_ & 3) == 0)
{
if (__t1_)
{
__r = (*__t1_)(__c);
if (__r)
__state_ |= __1_succeded;
else
__state_ |= __1_failed;
}
else
__state_ |= __1_failed;
}
else if ((__state_ & 0xC) == 0)
{
if (__t2_)
{
__r = (*__t2_)(__c);
if (__r)
__state_ |= __2_succeded;
else
__state_ |= __2_failed;
}
else
__state_ |= __2_failed;
}
return __r;
}
template <class _CharT>
class __transition
{
__transition(const __transition&);
__transition& operator=(const __transition&);
typedef __state<_CharT> __state;
typedef unique_ptr<__state, void(*)(__state*)> __sptr;
static void __delete_state(__state* __p) {delete __p;}
static void __ignore_state(__state*) {}
protected:
__sptr __sptr_;
public:
__transition(bool __owns, __state* __st)
: __sptr_(__st, __owns ? &__delete_state : &__ignore_state) {}
virtual ~__transition() {}
virtual const __state* operator()(_CharT) const {return __sptr_.get();}
};
template <class _CharT>
class __match_char
: public __transition<_CharT>
{
typedef __transition<_CharT> base;
_CharT __c_;
public:
__match_char(_CharT __c, bool __owns, __state<_CharT>* __st)
: base(__owns, __st), __c_(__c) {}
virtual const __state<_CharT>* operator()(_CharT __c) const
{return __c == __c_ ? base::__sptr_.get() : nullptr;}
};
template <class _CharT, class _Traits = regex_traits<_CharT> >
class basic_regex
{
@ -1222,6 +1333,9 @@ private:
_Traits __traits_;
flag_type __flags_;
unsigned __marked_count_;
int __open_count_;
shared_ptr<__state<_CharT> > __start_;
__state<_CharT>* __end_;
public:
// constants:
@ -1239,10 +1353,10 @@ public:
// construct/copy/destroy:
basic_regex();
explicit basic_regex(const value_type* __p, flag_type __f = regex_constants::ECMAScript)
: __flags_(__f), __marked_count_(0)
: __flags_(__f), __marked_count_(0), __open_count_(0), __end_(0)
{__parse(__p, __p + __traits_.length(__p));}
basic_regex(const value_type* __p, size_t __len, flag_type __f)
: __flags_(__f), __marked_count_(0)
: __flags_(__f), __marked_count_(0), __open_count_(0), __end_(0)
{__parse(__p, __p + __len);}
basic_regex(const basic_regex&);
#ifdef _LIBCPP_MOVE
@ -1251,16 +1365,16 @@ public:
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)
: __flags_(__f), __marked_count_(0), __open_count_(0), __end_(0)
{__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)
: __flags_(__f), __marked_count_(0), __open_count_(0), __end_(0)
{__parse(__first, __last);}
basic_regex(initializer_list<value_type> __il,
flag_type __f = regex_constants::ECMAScript)
: __flags_(__f), __marked_count_(0)
: __flags_(__f), __marked_count_(0), __open_count_(0), __end_(0)
{__parse(__il.begin(), __il.end());}
~basic_regex();
@ -1343,6 +1457,9 @@ private:
template <class _ForwardIterator>
_ForwardIterator
__parse_RE_dupl_symbol(_ForwardIterator __first, _ForwardIterator __last);
template <class _ForwardIterator>
_ForwardIterator
__parse_ERE_dupl_symbol(_ForwardIterator __first, _ForwardIterator __last);
template <class _ForwardIterator>
_ForwardIterator
__parse_bracket_expression(_ForwardIterator __first, _ForwardIterator __last);
@ -1364,6 +1481,24 @@ private:
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);
void __push_l_anchor() {}
void __push_r_anchor() {}
@ -1375,11 +1510,12 @@ private:
void __start_matching_list() {}
void __end_nonmatching_list() {}
void __end_matching_list() {}
void __push_char(value_type __c) {}
void __push_char(value_type __c);
void __push_char(const typename _Traits::string_type& __c) {}
void __push_range() {}
void __push_class_type(typename _Traits::char_class_type) {}
void __push_back_ref(int __i) {}
void __push_alternation() {}
};
template <class _CharT, class _Traits>
@ -1408,6 +1544,7 @@ basic_regex<_CharT, _Traits>::__parse(_ForwardIterator __first,
__parse_basic_reg_exp(__first, __last);
break;
case extended:
__parse_extended_reg_exp(__first, __last);
break;
case awk:
break;
@ -1452,6 +1589,81 @@ basic_regex<_CharT, _Traits>::__parse_basic_reg_exp(_ForwardIterator __first,
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_extended_reg_exp(_ForwardIterator __first,
_ForwardIterator __last)
{
while (true)
{
_ForwardIterator __temp = __parse_ERE_branch(__first, __last);
if (__temp == __first)
throw regex_error(regex_constants::error_temp);
__first = __temp;
if (__first == __last)
break;
if (*__first != '|')
throw regex_error(regex_constants::error_temp);
__push_alternation();
++__first;
}
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);
if (__temp == __first)
throw regex_error(regex_constants::error_temp);
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)
{
_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 '(':
++__marked_count_;
++__open_count_;
__temp = __parse_extended_reg_exp(++__temp, __last);
if (__temp == __last || *__temp != ')')
throw regex_error(regex_constants::error_paren);
--__open_count_;
++__temp;
break;
}
}
if (__temp != __first)
__temp = __parse_ERE_dupl_symbol(__temp, __last);
__first = __temp;
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
@ -1499,12 +1711,12 @@ basic_regex<_CharT, _Traits>::__parse_nondupl_RE(_ForwardIterator __first,
__temp = __parse_Back_open_paren(__first, __last);
if (__temp != __first)
{
++__marked_count_;
__first = __parse_RE_expression(__temp, __last);
__temp = __parse_Back_close_paren(__first, __last);
if (__temp == __first)
throw regex_error(regex_constants::error_paren);
__first = __temp;
++__marked_count_;
}
else
__first = __parse_BACKREF(__first, __last);
@ -1519,22 +1731,48 @@ basic_regex<_CharT, _Traits>::__parse_one_char_or_coll_elem_RE(
_ForwardIterator __first,
_ForwardIterator __last)
{
_ForwardIterator __temp = __first;
__first = __parse_ORD_CHAR(__first, __last);
_ForwardIterator __temp = __parse_ORD_CHAR(__first, __last);
if (__temp == __first)
{
__first = __parse_QUOTED_CHAR(__first, __last);
__temp = __parse_QUOTED_CHAR(__first, __last);
if (__temp == __first)
{
if (__first != __last && *__first == '.')
if (__temp != __last && *__temp == '.')
{
__push_match_any();
++__first;
++__temp;
}
else
__first = __parse_bracket_expression(__first, __last);
__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;
}
@ -1651,6 +1889,44 @@ basic_regex<_CharT, _Traits>::__parse_ORD_CHAR(_ForwardIterator __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
@ -1682,6 +1958,43 @@ basic_regex<_CharT, _Traits>::__parse_QUOTED_CHAR(_ForwardIterator __first,
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;
}
}
}
}
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
@ -1740,6 +2053,75 @@ basic_regex<_CharT, _Traits>::__parse_RE_dupl_symbol(_ForwardIterator __first,
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_ERE_dupl_symbol(_ForwardIterator __first,
_ForwardIterator __last)
{
if (__first != __last)
{
switch (*__first)
{
case '*':
__push_greedy_inf_repeat(0);
++__first;
break;
case '+':
__push_greedy_inf_repeat(1);
++__first;
break;
case '?':
__push_repeat(0, 1);
++__first;
break;
case '{':
{
int __min;
_ForwardIterator __temp = __parse_DUP_COUNT(__first, __last, __min);
if (__temp == __first)
throw regex_error(regex_constants::error_badbrace);
__first = __temp;
if (__first == __last)
throw regex_error(regex_constants::error_brace);
switch (*__first)
{
case '}':
__push_exact_repeat(__min);
++__first;
break;
case ',':
if (++__first == __last)
throw regex_error(regex_constants::error_badbrace);
if (*__first == '}')
{
__push_greedy_inf_repeat(__min);
++__first;
}
else
{
int __max;
__temp = __parse_DUP_COUNT(__first, __last, __max);
if (__temp == __first)
throw regex_error(regex_constants::error_brace);
__first = __temp;
if (__first == __last || *__first != '}')
throw regex_error(regex_constants::error_brace);
++__first;
if (__max < __min)
throw regex_error(regex_constants::error_badbrace);
__push_repeat(__min, __max);
}
default:
throw regex_error(regex_constants::error_badbrace);
}
}
break;
}
}
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
@ -1951,9 +2333,442 @@ basic_regex<_CharT, _Traits>::__parse_DUP_COUNT(_ForwardIterator __first,
return __first;
}
template <class _CharT, class _Traits>
void
basic_regex<_CharT, _Traits>::__push_char(value_type __c)
{
unique_ptr<__state<_CharT> > __new_end(new __state<_CharT>);
unique_ptr<__transition<_CharT> > __new_transition(
new __match_char<_CharT>(__c, true, __new_end.get()));
__state<_CharT>* __e = __new_end.release();
if (__end_ == nullptr)
{
__start_.reset(new __state<_CharT>);
__end_ = __start_.get();
}
__end_->__add_one(__new_transition.release());
__end_ = __e;
}
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();
}
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_REGEX

View File

@ -13,6 +13,8 @@
// basic_regex(const charT* p, flag_type f = regex_constants::ECMAScript);
#include <iostream>
#include <regex>
#include <cassert>

View File

@ -0,0 +1,49 @@
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <regex>
// template <class BidirectionalIterator> class sub_match;
// int compare(const string_type& s) const;
#include <regex>
#include <cassert>
int main()
{
{
typedef char CharT;
typedef std::sub_match<const CharT*> SM;
typedef SM::string_type string;
SM sm = SM();
SM sm2 = SM();
assert(sm.compare(string()) == 0);
const CharT s[] = {'1', '2', '3', 0};
sm.first = s;
sm.second = s + 3;
sm.matched = true;
assert(sm.compare(string()) > 0);
assert(sm.compare(string("123")) == 0);
}
{
typedef wchar_t CharT;
typedef std::sub_match<const CharT*> SM;
typedef SM::string_type string;
SM sm = SM();
SM sm2 = SM();
assert(sm.compare(string()) == 0);
const CharT s[] = {'1', '2', '3', 0};
sm.first = s;
sm.second = s + 3;
sm.matched = true;
assert(sm.compare(string()) > 0);
assert(sm.compare(string(L"123")) == 0);
}
}

View File

@ -0,0 +1,53 @@
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <regex>
// template <class BidirectionalIterator> class sub_match;
// int compare(const sub_match& s) const;
#include <regex>
#include <cassert>
int main()
{
{
typedef char CharT;
typedef std::sub_match<const CharT*> SM;
SM sm = SM();
SM sm2 = SM();
assert(sm.compare(sm2) == 0);
const CharT s[] = {'1', '2', '3', 0};
sm.first = s;
sm.second = s + 3;
sm.matched = true;
assert(sm.compare(sm2) > 0);
sm2.first = s;
sm2.second = s + 3;
sm2.matched = true;
assert(sm.compare(sm2) == 0);
}
{
typedef wchar_t CharT;
typedef std::sub_match<const CharT*> SM;
SM sm = SM();
SM sm2 = SM();
assert(sm.compare(sm2) == 0);
const CharT s[] = {'1', '2', '3', 0};
sm.first = s;
sm.second = s + 3;
sm.matched = true;
assert(sm.compare(sm2) > 0);
sm2.first = s;
sm2.second = s + 3;
sm2.matched = true;
assert(sm.compare(sm2) == 0);
}
}

View File

@ -0,0 +1,47 @@
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <regex>
// template <class BidirectionalIterator> class sub_match;
// int compare(const value_type* s) const;
#include <regex>
#include <cassert>
int main()
{
{
typedef char CharT;
typedef std::sub_match<const CharT*> SM;
SM sm = SM();
SM sm2 = SM();
assert(sm.compare("") == 0);
const CharT s[] = {'1', '2', '3', 0};
sm.first = s;
sm.second = s + 3;
sm.matched = true;
assert(sm.compare("") > 0);
assert(sm.compare("123") == 0);
}
{
typedef wchar_t CharT;
typedef std::sub_match<const CharT*> SM;
SM sm = SM();
SM sm2 = SM();
assert(sm.compare(L"") == 0);
const CharT s[] = {'1', '2', '3', 0};
sm.first = s;
sm.second = s + 3;
sm.matched = true;
assert(sm.compare(L"") > 0);
assert(sm.compare(L"123") == 0);
}
}

View File

@ -0,0 +1,43 @@
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <regex>
// template <class BidirectionalIterator> class sub_match;
// difference_type length() const;
#include <regex>
#include <cassert>
int main()
{
{
typedef char CharT;
typedef std::sub_match<const CharT*> SM;
SM sm = SM();
assert(sm.length() == 0);
const CharT s[] = {'1', '2', '3', 0};
sm.first = s;
sm.second = s + 3;
sm.matched = true;
assert(sm.length() == 3);
}
{
typedef wchar_t CharT;
typedef std::sub_match<const CharT*> SM;
SM sm = SM();
assert(sm.length() == 0);
const CharT s[] = {'1', '2', '3', 0};
sm.first = s;
sm.second = s + 3;
sm.matched = true;
assert(sm.length() == 3);
}
}

View File

@ -0,0 +1,47 @@
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <regex>
// template <class BidirectionalIterator> class sub_match;
// operator string_type() const;
#include <regex>
#include <cassert>
int main()
{
{
typedef char CharT;
typedef std::sub_match<const CharT*> SM;
SM sm = SM();
SM::string_type str = sm;
assert(str.empty());
const CharT s[] = {'1', '2', '3', 0};
sm.first = s;
sm.second = s + 3;
sm.matched = true;
str = sm;
assert(str == std::string("123"));
}
{
typedef wchar_t CharT;
typedef std::sub_match<const CharT*> SM;
SM sm = SM();
SM::string_type str = sm;
assert(str.empty());
const CharT s[] = {'1', '2', '3', 0};
sm.first = s;
sm.second = s + 3;
sm.matched = true;
str = sm;
assert(str == std::wstring(L"123"));
}
}

View File

@ -0,0 +1,47 @@
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <regex>
// template <class BidirectionalIterator> class sub_match;
// string_type str() const;
#include <regex>
#include <cassert>
int main()
{
{
typedef char CharT;
typedef std::sub_match<const CharT*> SM;
SM sm = SM();
SM::string_type str = sm.str();
assert(str.empty());
const CharT s[] = {'1', '2', '3', 0};
sm.first = s;
sm.second = s + 3;
sm.matched = true;
str = sm.str();
assert(str == std::string("123"));
}
{
typedef wchar_t CharT;
typedef std::sub_match<const CharT*> SM;
SM sm = SM();
SM::string_type str = sm.str();
assert(str.empty());
const CharT s[] = {'1', '2', '3', 0};
sm.first = s;
sm.second = s + 3;
sm.matched = true;
str = sm.str();
assert(str == std::wstring(L"123"));
}
}

View File

@ -0,0 +1,283 @@
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <regex>
// template <class BidirectionalIterator> class sub_match;
// template <class BiIter>
// bool
// operator==(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs);
//
// template <class BiIter>
// bool
// operator!=(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs);
//
// template <class BiIter>
// bool
// operator<(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs);
//
// template <class BiIter>
// bool
// operator<=(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs);
//
// template <class BiIter>
// bool
// operator>=(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs);
//
// template <class BiIter>
// bool
// operator>(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs);
//
// template <class BiIter, class ST, class SA>
// bool
// operator==(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs,
// const sub_match<BiIter>& rhs);
//
// template <class BiIter, class ST, class SA>
// bool
// operator!=(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs,
// const sub_match<BiIter>& rhs);
//
// template <class BiIter, class ST, class SA>
// bool
// operator<(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs,
// const sub_match<BiIter>& rhs);
//
// template <class BiIter, class ST, class SA>
// bool
// operator>(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs,
// const sub_match<BiIter>& rhs);
//
// template <class BiIter, class ST, class SA>
// bool operator>=(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs,
// const sub_match<BiIter>& rhs);
//
// template <class BiIter, class ST, class SA>
// bool
// operator<=(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs,
// const sub_match<BiIter>& rhs);
//
// template <class BiIter, class ST, class SA>
// bool
// operator==(const sub_match<BiIter>& lhs,
// const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs);
//
// template <class BiIter, class ST, class SA>
// bool
// operator!=(const sub_match<BiIter>& lhs,
// const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs);
//
// template <class BiIter, class ST, class SA>
// bool
// operator<(const sub_match<BiIter>& lhs,
// const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs);
//
// template <class BiIter, class ST, class SA>
// bool operator>(const sub_match<BiIter>& lhs,
// const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs);
//
// template <class BiIter, class ST, class SA>
// bool
// operator>=(const sub_match<BiIter>& lhs,
// const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs);
//
// template <class BiIter, class ST, class SA>
// bool
// operator<=(const sub_match<BiIter>& lhs,
// const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs);
//
// template <class BiIter>
// bool
// operator==(typename iterator_traits<BiIter>::value_type const* lhs,
// const sub_match<BiIter>& rhs);
//
// template <class BiIter>
// bool
// operator!=(typename iterator_traits<BiIter>::value_type const* lhs,
// const sub_match<BiIter>& rhs);
//
// template <class BiIter>
// bool
// operator<(typename iterator_traits<BiIter>::value_type const* lhs,
// const sub_match<BiIter>& rhs);
//
// template <class BiIter>
// bool
// operator>(typename iterator_traits<BiIter>::value_type const* lhs,
// const sub_match<BiIter>& rhs);
//
// template <class BiIter>
// bool
// operator>=(typename iterator_traits<BiIter>::value_type const* lhs,
// const sub_match<BiIter>& rhs);
//
// template <class BiIter>
// bool
// operator<=(typename iterator_traits<BiIter>::value_type const* lhs,
// const sub_match<BiIter>& rhs);
//
// template <class BiIter>
// bool
// operator==(const sub_match<BiIter>& lhs,
// typename iterator_traits<BiIter>::value_type const* rhs);
//
// template <class BiIter>
// bool
// operator!=(const sub_match<BiIter>& lhs,
// typename iterator_traits<BiIter>::value_type const* rhs);
//
// template <class BiIter>
// bool
// operator<(const sub_match<BiIter>& lhs,
// typename iterator_traits<BiIter>::value_type const* rhs);
//
// template <class BiIter>
// bool
// operator>(const sub_match<BiIter>& lhs,
// typename iterator_traits<BiIter>::value_type const* rhs);
//
// template <class BiIter>
// bool
// operator>=(const sub_match<BiIter>& lhs,
// typename iterator_traits<BiIter>::value_type const* rhs);
//
// template <class BiIter>
// bool
// operator<=(const sub_match<BiIter>& lhs,
// typename iterator_traits<BiIter>::value_type const* rhs);
//
// template <class BiIter>
// bool
// operator==(typename iterator_traits<BiIter>::value_type const& lhs,
// const sub_match<BiIter>& rhs);
//
// template <class BiIter>
// bool
// operator!=(typename iterator_traits<BiIter>::value_type const& lhs,
// const sub_match<BiIter>& rhs);
//
// template <class BiIter>
// bool
// operator<(typename iterator_traits<BiIter>::value_type const& lhs,
// const sub_match<BiIter>& rhs);
//
// template <class BiIter>
// bool
// operator>(typename iterator_traits<BiIter>::value_type const& lhs,
// const sub_match<BiIter>& rhs);
//
// template <class BiIter>
// bool
// operator>=(typename iterator_traits<BiIter>::value_type const& lhs,
// const sub_match<BiIter>& rhs);
//
// template <class BiIter>
// bool
// operator<=(typename iterator_traits<BiIter>::value_type const& lhs,
// const sub_match<BiIter>& rhs);
//
// template <class BiIter>
// bool
// operator==(const sub_match<BiIter>& lhs,
// typename iterator_traits<BiIter>::value_type const& rhs);
//
// template <class BiIter>
// bool
// operator!=(const sub_match<BiIter>& lhs,
// typename iterator_traits<BiIter>::value_type const& rhs);
//
// template <class BiIter>
// bool
// operator<(const sub_match<BiIter>& lhs,
// typename iterator_traits<BiIter>::value_type const& rhs);
//
// template <class BiIter>
// bool
// operator>(const sub_match<BiIter>& lhs,
// typename iterator_traits<BiIter>::value_type const& rhs);
//
// template <class BiIter>
// bool
// operator>=(const sub_match<BiIter>& lhs,
// typename iterator_traits<BiIter>::value_type const& rhs);
//
// template <class BiIter>
// bool
// operator<=(const sub_match<BiIter>& lhs,
// typename iterator_traits<BiIter>::value_type const& rhs);
#include <regex>
#include <cassert>
template <class CharT>
void
test(const std::basic_string<CharT>& x, const std::basic_string<CharT>& y)
{
typedef std::basic_string<CharT> string;
typedef std::sub_match<typename string::const_iterator> sub_match;
sub_match sm1;
sm1.first = x.begin();
sm1.second = x.end();
sm1.matched = true;
sub_match sm2;
sm2.first = y.begin();
sm2.second = y.end();
sm2.matched = true;
assert((sm1 == sm2) == (x == y));
assert((sm1 != sm2) == (x != y));
assert((sm1 < sm2) == (x < y));
assert((sm1 > sm2) == (x > y));
assert((sm1 <= sm2) == (x <= y));
assert((sm1 >= sm2) == (x >= y));
assert((x == sm2) == (x == y));
assert((x != sm2) == (x != y));
assert((x < sm2) == (x < y));
assert((x > sm2) == (x > y));
assert((x <= sm2) == (x <= y));
assert((x >= sm2) == (x >= y));
assert((sm1 == y) == (x == y));
assert((sm1 != y) == (x != y));
assert((sm1 < y) == (x < y));
assert((sm1 > y) == (x > y));
assert((sm1 <= y) == (x <= y));
assert((sm1 >= y) == (x >= y));
assert((x.c_str() == sm2) == (x == y));
assert((x.c_str() != sm2) == (x != y));
assert((x.c_str() < sm2) == (x < y));
assert((x.c_str() > sm2) == (x > y));
assert((x.c_str() <= sm2) == (x <= y));
assert((x.c_str() >= sm2) == (x >= y));
assert((sm1 == y.c_str()) == (x == y));
assert((sm1 != y.c_str()) == (x != y));
assert((sm1 < y.c_str()) == (x < y));
assert((sm1 > y.c_str()) == (x > y));
assert((sm1 <= y.c_str()) == (x <= y));
assert((sm1 >= y.c_str()) == (x >= y));
assert((x[0] == sm2) == (string(1, x[0]) == y));
assert((x[0] != sm2) == (string(1, x[0]) != y));
assert((x[0] < sm2) == (string(1, x[0]) < y));
assert((x[0] > sm2) == (string(1, x[0]) > y));
assert((x[0] <= sm2) == (string(1, x[0]) <= y));
assert((x[0] >= sm2) == (string(1, x[0]) >= y));
assert((sm1 == y[0]) == (x == string(1, y[0])));
assert((sm1 != y[0]) == (x != string(1, y[0])));
assert((sm1 < y[0]) == (x < string(1, y[0])));
assert((sm1 > y[0]) == (x > string(1, y[0])));
assert((sm1 <= y[0]) == (x <= string(1, y[0])));
assert((sm1 >= y[0]) == (x >= string(1, y[0])));
}
int main()
{
test(std::string("123"), std::string("123"));
test(std::string("1234"), std::string("123"));
test(std::wstring(L"123"), std::wstring(L"123"));
test(std::wstring(L"1234"), std::wstring(L"123"));
}

View File

@ -0,0 +1,42 @@
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <regex>
// template <class BidirectionalIterator> class sub_match;
// template <class charT, class ST, class BiIter>
// basic_ostream<charT, ST>&
// operator<<(basic_ostream<charT, ST>& os, const sub_match<BiIter>& m);
#include <regex>
#include <sstream>
#include <cassert>
template <class CharT>
void
test(const std::basic_string<CharT>& s)
{
typedef std::basic_string<CharT> string;
typedef std::sub_match<typename string::const_iterator> SM;
typedef std::basic_ostringstream<CharT> ostringstream;
SM sm;
sm.first = s.begin();
sm.second = s.end();
sm.matched = true;
ostringstream os;
os << sm;
assert(os.str() == s);
}
int main()
{
test(std::string("123"));
test(std::wstring(L"123"));
}

View File

@ -0,0 +1,64 @@
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <regex>
// 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;
// ...
// };
#include <regex>
#include <type_traits>
#include <cassert>
int main()
{
{
typedef std::sub_match<char*> SM;
static_assert((std::is_same<SM::iterator, char*>::value), "");
static_assert((std::is_same<SM::value_type, char>::value), "");
static_assert((std::is_same<SM::difference_type, std::ptrdiff_t>::value), "");
static_assert((std::is_same<SM::string_type, std::string>::value), "");
static_assert((std::is_convertible<SM*, std::pair<char*, char*>*>::value), "");
SM sm;
sm.first = nullptr;
sm.second = nullptr;
sm.matched = false;
}
{
typedef std::sub_match<wchar_t*> SM;
static_assert((std::is_same<SM::iterator, wchar_t*>::value), "");
static_assert((std::is_same<SM::value_type, wchar_t>::value), "");
static_assert((std::is_same<SM::difference_type, std::ptrdiff_t>::value), "");
static_assert((std::is_same<SM::string_type, std::wstring>::value), "");
static_assert((std::is_convertible<SM*, std::pair<wchar_t*, wchar_t*>*>::value), "");
SM sm;
sm.first = nullptr;
sm.second = nullptr;
sm.matched = false;
}
{
static_assert((std::is_same<std::csub_match, std::sub_match<const char*> >::value), "");
static_assert((std::is_same<std::wcsub_match, std::sub_match<const wchar_t*> >::value), "");
static_assert((std::is_same<std::ssub_match, std::sub_match<std::string::const_iterator> >::value), "");
static_assert((std::is_same<std::wssub_match, std::sub_match<std::wstring::const_iterator> >::value), "");
}
}