gecko-dev/xpcom/string/nsTSubstringTuple.h
Birunthan Mohanathas 889d778644 Bug 1028559 - Flatten xpcom/string/{public,src}/ directories. r=dbaron
--HG--
rename : xpcom/string/public/nsAString.h => xpcom/string/nsAString.h
rename : xpcom/string/public/nsAlgorithm.h => xpcom/string/nsAlgorithm.h
rename : xpcom/string/public/nsCharTraits.h => xpcom/string/nsCharTraits.h
rename : xpcom/string/src/nsDependentString.cpp => xpcom/string/nsDependentString.cpp
rename : xpcom/string/public/nsDependentString.h => xpcom/string/nsDependentString.h
rename : xpcom/string/src/nsDependentSubstring.cpp => xpcom/string/nsDependentSubstring.cpp
rename : xpcom/string/public/nsDependentSubstring.h => xpcom/string/nsDependentSubstring.h
rename : xpcom/string/public/nsEmbedString.h => xpcom/string/nsEmbedString.h
rename : xpcom/string/public/nsLiteralString.h => xpcom/string/nsLiteralString.h
rename : xpcom/string/public/nsPrintfCString.h => xpcom/string/nsPrintfCString.h
rename : xpcom/string/src/nsPromiseFlatString.cpp => xpcom/string/nsPromiseFlatString.cpp
rename : xpcom/string/public/nsPromiseFlatString.h => xpcom/string/nsPromiseFlatString.h
rename : xpcom/string/src/nsReadableUtils.cpp => xpcom/string/nsReadableUtils.cpp
rename : xpcom/string/public/nsReadableUtils.h => xpcom/string/nsReadableUtils.h
rename : xpcom/string/src/nsString.cpp => xpcom/string/nsString.cpp
rename : xpcom/string/public/nsString.h => xpcom/string/nsString.h
rename : xpcom/string/public/nsStringBuffer.h => xpcom/string/nsStringBuffer.h
rename : xpcom/string/src/nsStringComparator.cpp => xpcom/string/nsStringComparator.cpp
rename : xpcom/string/public/nsStringFwd.h => xpcom/string/nsStringFwd.h
rename : xpcom/string/public/nsStringIterator.h => xpcom/string/nsStringIterator.h
rename : xpcom/string/src/nsStringObsolete.cpp => xpcom/string/nsStringObsolete.cpp
rename : xpcom/string/src/nsSubstring.cpp => xpcom/string/nsSubstring.cpp
rename : xpcom/string/public/nsSubstring.h => xpcom/string/nsSubstring.h
rename : xpcom/string/src/nsSubstringTuple.cpp => xpcom/string/nsSubstringTuple.cpp
rename : xpcom/string/public/nsSubstringTuple.h => xpcom/string/nsSubstringTuple.h
rename : xpcom/string/src/nsTDependentString.cpp => xpcom/string/nsTDependentString.cpp
rename : xpcom/string/public/nsTDependentString.h => xpcom/string/nsTDependentString.h
rename : xpcom/string/src/nsTDependentSubstring.cpp => xpcom/string/nsTDependentSubstring.cpp
rename : xpcom/string/public/nsTDependentSubstring.h => xpcom/string/nsTDependentSubstring.h
rename : xpcom/string/public/nsTLiteralString.h => xpcom/string/nsTLiteralString.h
rename : xpcom/string/src/nsTPromiseFlatString.cpp => xpcom/string/nsTPromiseFlatString.cpp
rename : xpcom/string/public/nsTPromiseFlatString.h => xpcom/string/nsTPromiseFlatString.h
rename : xpcom/string/src/nsTString.cpp => xpcom/string/nsTString.cpp
rename : xpcom/string/public/nsTString.h => xpcom/string/nsTString.h
rename : xpcom/string/src/nsTStringComparator.cpp => xpcom/string/nsTStringComparator.cpp
rename : xpcom/string/src/nsTStringObsolete.cpp => xpcom/string/nsTStringObsolete.cpp
rename : xpcom/string/src/nsTSubstring.cpp => xpcom/string/nsTSubstring.cpp
rename : xpcom/string/public/nsTSubstring.h => xpcom/string/nsTSubstring.h
rename : xpcom/string/src/nsTSubstringTuple.cpp => xpcom/string/nsTSubstringTuple.cpp
rename : xpcom/string/public/nsTSubstringTuple.h => xpcom/string/nsTSubstringTuple.h
rename : xpcom/string/public/nsUTF8Utils.h => xpcom/string/nsUTF8Utils.h
rename : xpcom/string/src/nsUTF8UtilsSSE2.cpp => xpcom/string/nsUTF8UtilsSSE2.cpp
rename : xpcom/string/public/nsXPCOMStrings.h => xpcom/string/nsXPCOMStrings.h
rename : xpcom/string/public/nsXPIDLString.h => xpcom/string/nsXPIDLString.h
rename : xpcom/string/public/string-template-def-char.h => xpcom/string/string-template-def-char.h
rename : xpcom/string/public/string-template-def-unichar.h => xpcom/string/string-template-def-unichar.h
rename : xpcom/string/public/string-template-undef.h => xpcom/string/string-template-undef.h
2014-06-25 15:08:54 -07:00

85 lines
2.5 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// IWYU pragma: private, include "nsString.h"
/**
* nsTSubstringTuple_CharT
*
* Represents a tuple of string fragments. Built as a recursive binary tree.
* It is used to implement the concatenation of two or more string objects.
*
* NOTE: This class is a private implementation detail and should never be
* referenced outside the string code.
*/
class nsTSubstringTuple_CharT
{
public:
typedef CharT char_type;
typedef nsCharTraits<char_type> char_traits;
typedef nsTSubstringTuple_CharT self_type;
typedef nsTSubstring_CharT substring_type;
typedef nsTSubstring_CharT base_string_type;
typedef uint32_t size_type;
public:
nsTSubstringTuple_CharT(const base_string_type* aStrA,
const base_string_type* aStrB)
: mHead(nullptr)
, mFragA(aStrA)
, mFragB(aStrB)
{
}
nsTSubstringTuple_CharT(const self_type& aHead,
const base_string_type* aStrB)
: mHead(&aHead)
, mFragA(nullptr) // this fragment is ignored when aHead != nullptr
, mFragB(aStrB)
{
}
/**
* computes the aggregate string length
*/
size_type Length() const;
/**
* writes the aggregate string to the given buffer. bufLen is assumed
* to be equal to or greater than the value returned by the Length()
* method. the string written to |buf| is not null-terminated.
*/
void WriteTo(char_type* aBuf, uint32_t aBufLen) const;
/**
* returns true if this tuple is dependent on (i.e., overlapping with)
* the given char sequence.
*/
bool IsDependentOn(const char_type* aStart, const char_type* aEnd) const;
private:
const self_type* mHead;
const base_string_type* mFragA;
const base_string_type* mFragB;
};
inline const nsTSubstringTuple_CharT
operator+(const nsTSubstringTuple_CharT::base_string_type& aStrA,
const nsTSubstringTuple_CharT::base_string_type& aStrB)
{
return nsTSubstringTuple_CharT(&aStrA, &aStrB);
}
inline const nsTSubstringTuple_CharT
operator+(const nsTSubstringTuple_CharT& aHead,
const nsTSubstringTuple_CharT::base_string_type& aStrB)
{
return nsTSubstringTuple_CharT(aHead, &aStrB);
}