gecko/parser/html/nsHtml5NamedCharacters.cpp
Henri Sivonen 51828f4951 Bug 555940 - Make named character names use a dedicated data type. r=tglek, a=jst.
--HG--
extra : rebase_source : d201cbad639f7ce87caa04f4260d1a9f3b3da867
2010-09-28 10:32:31 +03:00

144 lines
3.8 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 "prtypes.h"
#include "jArray.h"
#include "nscore.h"
#include "nsDebug.h"
#include "prlog.h"
#include "nsMemory.h"
#include "nsHtml5NamedCharacters.h"
const PRUnichar nsHtml5NamedCharacters::VALUES[][2] = {
#define NAMED_CHARACTER_REFERENCE(N, CHARS, LEN, FLAG, VALUE) \
{ VALUE },
#include "nsHtml5NamedCharactersInclude.h"
#undef NAMED_CHARACTER_REFERENCE
{0, 0} };
PRUnichar** nsHtml5NamedCharacters::WINDOWS_1252;
static PRUnichar 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 PRInt8 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
};
/* check that the start positions will fit in 16 bits */
PR_STATIC_ASSERT(NS_ARRAY_LENGTH(ALL_NAMES) < 0x10000);
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
};
PRInt32
nsHtml5CharacterName::length() const
{
return nameLen;
}
PRUnichar
nsHtml5CharacterName::charAt(PRInt32 index) const
{
return static_cast<PRUnichar> (ALL_NAMES[nameStart + index]);
}
void
nsHtml5NamedCharacters::initializeStatics()
{
WINDOWS_1252 = new PRUnichar*[32];
for (PRInt32 i = 0; i < 32; ++i) {
WINDOWS_1252[i] = (PRUnichar*)&(WINDOWS_1252_DATA[i]);
}
}
void
nsHtml5NamedCharacters::releaseStatics()
{
delete[] WINDOWS_1252;
}