The Tor Browser: parser/html/nsHtml5NamedCharacters.cpp@925c144e1f1f

     1 /*

     2  * Copyright (c) 2008-2010 Mozilla Foundation

     3  *

     4  * Permission is hereby granted, free of charge, to any person obtaining a

     5  * copy of this software and associated documentation files (the "Software"),

     6  * to deal in the Software without restriction, including without limitation

     7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,

     8  * and/or sell copies of the Software, and to permit persons to whom the

     9  * Software is furnished to do so, subject to the following conditions:

    10  *

    11  * The above copyright notice and this permission notice shall be included in

    12  * all copies or substantial portions of the Software.

    13  *

    14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

    15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

    16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

    17  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

    18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

    19  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER

    20  * DEALINGS IN THE SOFTWARE.

    21  */

    23 #define nsHtml5NamedCharacters_cpp_

    24 #include "jArray.h"

    25 #include "nscore.h"

    26 #include "nsDebug.h"

    27 #include "mozilla/ArrayUtils.h"

    28 #include "prlog.h"

    30 #include "nsHtml5NamedCharacters.h"

    32 const char16_t nsHtml5NamedCharacters::VALUES[][2] = {

    33 #define NAMED_CHARACTER_REFERENCE(N, CHARS, LEN, FLAG, VALUE) \

    34 { VALUE },

    35 #include "nsHtml5NamedCharactersInclude.h"

    36 #undef NAMED_CHARACTER_REFERENCE

    37 {0, 0} };

    39 char16_t** nsHtml5NamedCharacters::WINDOWS_1252;

    40 static char16_t const WINDOWS_1252_DATA[] = {

    41   0x20AC,

    42   0x0081,

    43   0x201A,

    44   0x0192,

    45   0x201E,

    46   0x2026,

    47   0x2020,

    48   0x2021,

    49   0x02C6,

    50   0x2030,

    51   0x0160,

    52   0x2039,

    53   0x0152,

    54   0x008D,

    55   0x017D,

    56   0x008F,

    57   0x0090,

    58   0x2018,

    59   0x2019,

    60   0x201C,

    61   0x201D,

    62   0x2022,

    63   0x2013,

    64   0x2014,

    65   0x02DC,

    66   0x2122,

    67   0x0161,

    68   0x203A,

    69   0x0153,

    70   0x009D,

    71   0x017E,

    72   0x0178

    73 };

    75 /**

    76  * To avoid having lots of pointers in the |charData| array, below,

    77  * which would cause us to have to do lots of relocations at library

    78  * load time, store all the string data for the names in one big array.

    79  * Then use tricks with enums to help us build an array that contains

    80  * the positions of each within the big arrays.

    81  */

    83 static const int8_t ALL_NAMES[] = {

    84 #define NAMED_CHARACTER_REFERENCE(N, CHARS, LEN, FLAG, VALUE) \

    85 CHARS ,

    86 #include "nsHtml5NamedCharactersInclude.h"

    87 #undef NAMED_CHARACTER_REFERENCE

    88 };

    90 enum NamePositions {

    91   DUMMY_INITIAL_NAME_POSITION = 0,

    92 /* enums don't take up space, so generate _START and _END */

    93 #define NAMED_CHARACTER_REFERENCE(N, CHARS, LEN, FLAG, VALUE) \

    94 NAME_##N##_DUMMY, /* automatically one higher than previous */ \

    95 NAME_##N##_START = NAME_##N##_DUMMY - 1, \

    96 NAME_##N##_END = NAME_##N##_START + LEN + FLAG,

    97 #include "nsHtml5NamedCharactersInclude.h"

    98 #undef NAMED_CHARACTER_REFERENCE

    99   DUMMY_FINAL_NAME_VALUE

   100 };

   102 /* check that the start positions will fit in 16 bits */

   103 PR_STATIC_ASSERT(MOZ_ARRAY_LENGTH(ALL_NAMES) < 0x10000);

   105 const nsHtml5CharacterName nsHtml5NamedCharacters::NAMES[] = {

   106 #ifdef DEBUG

   107   #define NAMED_CHARACTER_REFERENCE(N, CHARS, LEN, FLAG, VALUE) \

   108 { NAME_##N##_START, LEN, N },

   109 #else

   110   #define NAMED_CHARACTER_REFERENCE(N, CHARS, LEN, FLAG, VALUE) \

   111 { NAME_##N##_START, LEN, },

   112 #endif

   113 #include "nsHtml5NamedCharactersInclude.h"

   114 #undef NAMED_CHARACTER_REFERENCE

   115 };

   117 int32_t

   118 nsHtml5CharacterName::length() const

   119 {

   120   return nameLen;

   121 }

   123 char16_t

   124 nsHtml5CharacterName::charAt(int32_t index) const

   125 {

   126   return static_cast<char16_t> (ALL_NAMES[nameStart + index]);

   127 }

   129 void

   130 nsHtml5NamedCharacters::initializeStatics()

   131 {

   132   WINDOWS_1252 = new char16_t*[32];

   133   for (int32_t i = 0; i < 32; ++i) {

   134     WINDOWS_1252[i] = (char16_t*)&(WINDOWS_1252_DATA[i]);

   135   }

   136 }

   138 void

   139 nsHtml5NamedCharacters::releaseStatics()

   140 {

   141   delete[] WINDOWS_1252;

   142 }

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