gecko-dev/parser/html/nsHtml5NamedCharacters.cpp

103 строки
3.9 KiB
C++

/*
* Copyright (c) 2008-2010 Mozilla Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#define nsHtml5NamedCharacters_cpp_
#include "jArray.h"
#include "mozilla/ArrayUtils.h"
#include "mozilla/Logging.h"
#include "nsDebug.h"
#include "nscore.h"
#include "nsHtml5NamedCharacters.h"
const char16_t nsHtml5NamedCharacters::VALUES[][2] = {
#define NAMED_CHARACTER_REFERENCE(N, CHARS, LEN, FLAG, VALUE) {VALUE},
#include "nsHtml5NamedCharactersInclude.h"
#undef NAMED_CHARACTER_REFERENCE
{0, 0}};
char16_t** nsHtml5NamedCharacters::WINDOWS_1252;
static char16_t const WINDOWS_1252_DATA[] = {
0x20AC, 0x0081, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
0x02C6, 0x2030, 0x0160, 0x2039, 0x0152, 0x008D, 0x017D, 0x008F,
0x0090, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
0x02DC, 0x2122, 0x0161, 0x203A, 0x0153, 0x009D, 0x017E, 0x0178};
/**
* To avoid having lots of pointers in the |charData| array, below,
* which would cause us to have to do lots of relocations at library
* load time, store all the string data for the names in one big array.
* Then use tricks with enums to help us build an array that contains
* the positions of each within the big arrays.
*/
static const int8_t ALL_NAMES[] = {
#define NAMED_CHARACTER_REFERENCE(N, CHARS, LEN, FLAG, VALUE) CHARS,
#include "nsHtml5NamedCharactersInclude.h"
#undef NAMED_CHARACTER_REFERENCE
};
enum NamePositions {
DUMMY_INITIAL_NAME_POSITION = 0,
/* enums don't take up space, so generate _START and _END */
#define NAMED_CHARACTER_REFERENCE(N, CHARS, LEN, FLAG, VALUE) \
NAME_##N##_DUMMY, /* automatically one higher than previous */ \
NAME_##N##_START = NAME_##N##_DUMMY - 1, \
NAME_##N##_END = NAME_##N##_START + LEN + FLAG,
#include "nsHtml5NamedCharactersInclude.h"
#undef NAMED_CHARACTER_REFERENCE
DUMMY_FINAL_NAME_VALUE
};
static_assert(MOZ_ARRAY_LENGTH(ALL_NAMES) < 0x10000,
"Start positions should fit in 16 bits");
const nsHtml5CharacterName nsHtml5NamedCharacters::NAMES[] = {
#ifdef DEBUG
# define NAMED_CHARACTER_REFERENCE(N, CHARS, LEN, FLAG, VALUE) \
{NAME_##N##_START, LEN, N},
#else
# define NAMED_CHARACTER_REFERENCE(N, CHARS, LEN, FLAG, VALUE) \
{ \
NAME_##N##_START, \
LEN, \
},
#endif
#include "nsHtml5NamedCharactersInclude.h"
#undef NAMED_CHARACTER_REFERENCE
};
int32_t nsHtml5CharacterName::length() const { return nameLen; }
char16_t nsHtml5CharacterName::charAt(int32_t index) const {
return static_cast<char16_t>(ALL_NAMES[nameStart + index]);
}
void nsHtml5NamedCharacters::initializeStatics() {
WINDOWS_1252 = new char16_t*[32];
for (int32_t i = 0; i < 32; ++i) {
WINDOWS_1252[i] = (char16_t*)&(WINDOWS_1252_DATA[i]);
}
}
void nsHtml5NamedCharacters::releaseStatics() { delete[] WINDOWS_1252; }