parser/html/nsHtml5NamedCharacters.cpp

   1 #define nsHtml5NamedCharacters_cpp_
   2 #include "prtypes.h"
   3 #include "jArray.h"
   4 #include "nscore.h"
   5 #include "nsDebug.h"
   6 #include "prlog.h"
   7 #include "nsMemory.h"
   8
   9 #include "nsHtml5NamedCharacters.h"
  10
  11 jArray<jArray<PRInt8,PRInt32>,PRInt32> nsHtml5NamedCharacters::NAMES;
  12
  13 const PRUnichar nsHtml5NamedCharacters::VALUES[][2] = {
  14 #define NAMED_CHARACTER_REFERENCE(N, CHARS, LEN, FLAG, VALUE) \
  15 { VALUE },
  16 #include "nsHtml5NamedCharactersInclude.h"
  17 #undef NAMED_CHARACTER_REFERENCE
  18 {0, 0} };
  19
  20 PRUnichar** nsHtml5NamedCharacters::WINDOWS_1252;
  21 static PRUnichar const WINDOWS_1252_DATA[] = {
  22   0x20AC,
  23   0x0081,
  24   0x201A,
  25   0x0192,
  26   0x201E,
  27   0x2026,
  28   0x2020,
  29   0x2021,
  30   0x02C6,
  31   0x2030,
  32   0x0160,
  33   0x2039,
  34   0x0152,
  35   0x008D,
  36   0x017D,
  37   0x008F,
  38   0x0090,
  39   0x2018,
  40   0x2019,
  41   0x201C,
  42   0x201D,
  43   0x2022,
  44   0x2013,
  45   0x2014,
  46   0x02DC,
  47   0x2122,
  48   0x0161,
  49   0x203A,
  50   0x0153,
  51   0x009D,
  52   0x017E,
  53   0x0178
  54 };
  55
  56 /**
  57  * To avoid having lots of pointers in the |charData| array, below,
  58  * which would cause us to have to do lots of relocations at library
  59  * load time, store all the string data for the names in one big array.
  60  * Then use tricks with enums to help us build an array that contains
  61  * the positions of each within the big arrays.
  62  */
  63
  64 static const PRInt8 ALL_NAMES[] = {
  65 #define NAMED_CHARACTER_REFERENCE(N, CHARS, LEN, FLAG, VALUE) \
  66 CHARS ,
  67 #include "nsHtml5NamedCharactersInclude.h"
  68 #undef NAMED_CHARACTER_REFERENCE
  69 };
  70
  71 enum NamePositions {
  72   DUMMY_INITIAL_NAME_POSITION = 0,
  73 /* enums don't take up space, so generate _START and _END */
  74 #define NAMED_CHARACTER_REFERENCE(N, CHARS, LEN, FLAG, VALUE) \
  75 NAME_##N##_DUMMY, /* automatically one higher than previous */ \
  76 NAME_##N##_START = NAME_##N##_DUMMY - 1, \
  77 NAME_##N##_END = NAME_##N##_START + LEN + FLAG,
  78 #include "nsHtml5NamedCharactersInclude.h"
  79 #undef NAMED_CHARACTER_REFERENCE
  80   DUMMY_FINAL_NAME_VALUE
  81 };
  82
  83 #define NAMED_CHARACTERS_COUNT 2138
  84
  85 /* check that the start positions will fit in 16 bits */
  86 PR_STATIC_ASSERT(NS_ARRAY_LENGTH(ALL_NAMES) < 0x10000);
  87
  88 struct NamedCharacterData {
  89   PRUint16 nameStart;
  90   PRUint16 nameLen;
  91 #ifdef DEBUG
  92   PRInt32 n;
  93 #endif
  94 };
  95
  96 static const NamedCharacterData charData[NAMED_CHARACTERS_COUNT] = {
  97 #ifdef DEBUG
  98   #define NAMED_CHARACTER_REFERENCE(N, CHARS, LEN, FLAG, VALUE) \
  99 { NAME_##N##_START, LEN, N },
 100 #else
 101   #define NAMED_CHARACTER_REFERENCE(N, CHARS, LEN, FLAG, VALUE) \
 102 { NAME_##N##_START, LEN, },
 103 #endif
 104 #include "nsHtml5NamedCharactersInclude.h"
 105 #undef NAMED_CHARACTER_REFERENCE
 106 };
 107
 108 void
 109 nsHtml5NamedCharacters::initializeStatics()
 110 {
 111   NAMES = jArray<jArray<PRInt8,PRInt32>,PRInt32>(NAMED_CHARACTERS_COUNT);
 112   PRInt8* allNames = const_cast<PRInt8*>(ALL_NAMES);
 113   for (PRInt32 i = 0; i < NAMED_CHARACTERS_COUNT; ++i) {
 114     const NamedCharacterData &data = charData[i];
 115     NS_ABORT_IF_FALSE(data.n == i,
 116                       "index error in nsHtml5NamedCharactersInclude.h");
 117     NAMES[i] = jArray<PRInt8,PRInt32>(allNames + data.nameStart, data.nameLen);
 118   }
 119
 120   WINDOWS_1252 = new PRUnichar*[32];
 121   for (PRInt32 i = 0; i < 32; ++i) {
 122     WINDOWS_1252[i] = (PRUnichar*)&(WINDOWS_1252_DATA[i]);
 123   }
 124 }
 125
 126 void
 127 nsHtml5NamedCharacters::releaseStatics()
 128 {
 129   NAMES.release();
 130   delete[] WINDOWS_1252;
 131 }