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parser/html/nsHtml5NamedCharacters.cpp@925c144e1f1f (annotated)

parser/html/nsHtml5NamedCharacters.cpp

Fri, 16 Jan 2015 18:13:44 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Fri, 16 Jan 2015 18:13:44 +0100

branch

TOR_BUG_9701

changeset 14

925c144e1f1f

permissions

-rw-r--r--

Integrate suggestion from review to improve consistency with existing code.

michael@0	1	/*
michael@0	2	* Copyright (c) 2008-2010 Mozilla Foundation
michael@0	3	*
michael@0	4	* Permission is hereby granted, free of charge, to any person obtaining a
michael@0	5	* copy of this software and associated documentation files (the "Software"),
michael@0	6	* to deal in the Software without restriction, including without limitation
michael@0	7	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
michael@0	8	* and/or sell copies of the Software, and to permit persons to whom the
michael@0	9	* Software is furnished to do so, subject to the following conditions:
michael@0	10	*
michael@0	11	* The above copyright notice and this permission notice shall be included in
michael@0	12	* all copies or substantial portions of the Software.
michael@0	13	*
michael@0	14	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
michael@0	15	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
michael@0	16	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
michael@0	17	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
michael@0	18	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
michael@0	19	* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
michael@0	20	* DEALINGS IN THE SOFTWARE.
michael@0	21	*/
michael@0	22
michael@0	23	#define nsHtml5NamedCharacters_cpp_
michael@0	24	#include "jArray.h"
michael@0	25	#include "nscore.h"
michael@0	26	#include "nsDebug.h"
michael@0	27	#include "mozilla/ArrayUtils.h"
michael@0	28	#include "prlog.h"
michael@0	29
michael@0	30	#include "nsHtml5NamedCharacters.h"
michael@0	31
michael@0	32	const char16_t nsHtml5NamedCharacters::VALUES[][2] = {
michael@0	33	#define NAMED_CHARACTER_REFERENCE(N, CHARS, LEN, FLAG, VALUE) \
michael@0	34	{ VALUE },
michael@0	35	#include "nsHtml5NamedCharactersInclude.h"
michael@0	36	#undef NAMED_CHARACTER_REFERENCE
michael@0	37	{0, 0} };
michael@0	38
michael@0	39	char16_t** nsHtml5NamedCharacters::WINDOWS_1252;
michael@0	40	static char16_t const WINDOWS_1252_DATA[] = {
michael@0	41	0x20AC,
michael@0	42	0x0081,
michael@0	43	0x201A,
michael@0	44	0x0192,
michael@0	45	0x201E,
michael@0	46	0x2026,
michael@0	47	0x2020,
michael@0	48	0x2021,
michael@0	49	0x02C6,
michael@0	50	0x2030,
michael@0	51	0x0160,
michael@0	52	0x2039,
michael@0	53	0x0152,
michael@0	54	0x008D,
michael@0	55	0x017D,
michael@0	56	0x008F,
michael@0	57	0x0090,
michael@0	58	0x2018,
michael@0	59	0x2019,
michael@0	60	0x201C,
michael@0	61	0x201D,
michael@0	62	0x2022,
michael@0	63	0x2013,
michael@0	64	0x2014,
michael@0	65	0x02DC,
michael@0	66	0x2122,
michael@0	67	0x0161,
michael@0	68	0x203A,
michael@0	69	0x0153,
michael@0	70	0x009D,
michael@0	71	0x017E,
michael@0	72	0x0178
michael@0	73	};
michael@0	74
michael@0	75	/**
michael@0	76	* To avoid having lots of pointers in the |charData| array, below,
michael@0	77	* which would cause us to have to do lots of relocations at library
michael@0	78	* load time, store all the string data for the names in one big array.
michael@0	79	* Then use tricks with enums to help us build an array that contains
michael@0	80	* the positions of each within the big arrays.
michael@0	81	*/
michael@0	82
michael@0	83	static const int8_t ALL_NAMES[] = {
michael@0	84	#define NAMED_CHARACTER_REFERENCE(N, CHARS, LEN, FLAG, VALUE) \
michael@0	85	CHARS ,
michael@0	86	#include "nsHtml5NamedCharactersInclude.h"
michael@0	87	#undef NAMED_CHARACTER_REFERENCE
michael@0	88	};
michael@0	89
michael@0	90	enum NamePositions {
michael@0	91	DUMMY_INITIAL_NAME_POSITION = 0,
michael@0	92	/* enums don't take up space, so generate _START and _END */
michael@0	93	#define NAMED_CHARACTER_REFERENCE(N, CHARS, LEN, FLAG, VALUE) \
michael@0	94	NAME_##N##_DUMMY, /* automatically one higher than previous */ \
michael@0	95	NAME_##N##_START = NAME_##N##_DUMMY - 1, \
michael@0	96	NAME_##N##_END = NAME_##N##_START + LEN + FLAG,
michael@0	97	#include "nsHtml5NamedCharactersInclude.h"
michael@0	98	#undef NAMED_CHARACTER_REFERENCE
michael@0	99	DUMMY_FINAL_NAME_VALUE
michael@0	100	};
michael@0	101
michael@0	102	/* check that the start positions will fit in 16 bits */
michael@0	103	PR_STATIC_ASSERT(MOZ_ARRAY_LENGTH(ALL_NAMES) < 0x10000);
michael@0	104
michael@0	105	const nsHtml5CharacterName nsHtml5NamedCharacters::NAMES[] = {
michael@0	106	#ifdef DEBUG
michael@0	107	#define NAMED_CHARACTER_REFERENCE(N, CHARS, LEN, FLAG, VALUE) \
michael@0	108	{ NAME_##N##_START, LEN, N },
michael@0	109	#else
michael@0	110	#define NAMED_CHARACTER_REFERENCE(N, CHARS, LEN, FLAG, VALUE) \
michael@0	111	{ NAME_##N##_START, LEN, },
michael@0	112	#endif
michael@0	113	#include "nsHtml5NamedCharactersInclude.h"
michael@0	114	#undef NAMED_CHARACTER_REFERENCE
michael@0	115	};
michael@0	116
michael@0	117	int32_t
michael@0	118	nsHtml5CharacterName::length() const
michael@0	119	{
michael@0	120	return nameLen;
michael@0	121	}
michael@0	122
michael@0	123	char16_t
michael@0	124	nsHtml5CharacterName::charAt(int32_t index) const
michael@0	125	{
michael@0	126	return static_cast<char16_t> (ALL_NAMES[nameStart + index]);
michael@0	127	}
michael@0	128
michael@0	129	void
michael@0	130	nsHtml5NamedCharacters::initializeStatics()
michael@0	131	{
michael@0	132	WINDOWS_1252 = new char16_t*[32];
michael@0	133	for (int32_t i = 0; i < 32; ++i) {
michael@0	134	WINDOWS_1252[i] = (char16_t*)&(WINDOWS_1252_DATA[i]);
michael@0	135	}
michael@0	136	}
michael@0	137
michael@0	138	void
michael@0	139	nsHtml5NamedCharacters::releaseStatics()
michael@0	140	{
michael@0	141	delete[] WINDOWS_1252;
michael@0	142	}