parser/html/nsHtml5MetaScanner.h

   1 /*
   2  * Copyright (c) 2007 Henri Sivonen
   3  * Copyright (c) 2008-2015 Mozilla Foundation
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included in
  13  * all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21  * DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 /*
  25  * THIS IS A GENERATED FILE. PLEASE DO NOT EDIT.
  26  * Please edit MetaScanner.java instead and regenerate.
  27  */
  28
  29 #ifndef nsHtml5MetaScanner_h
  30 #define nsHtml5MetaScanner_h
  31
  32 #include "nsAtom.h"
  33 #include "nsHtml5AtomTable.h"
  34 #include "nsHtml5String.h"
  35 #include "nsNameSpaceManager.h"
  36 #include "nsIContent.h"
  37 #include "nsTraceRefcnt.h"
  38 #include "jArray.h"
  39 #include "nsHtml5ArrayCopy.h"
  40 #include "nsAHtml5TreeBuilderState.h"
  41 #include "nsGkAtoms.h"
  42 #include "nsHtml5ByteReadable.h"
  43 #include "nsHtml5Macros.h"
  44 #include "nsIContentHandle.h"
  45 #include "nsHtml5Portability.h"
  46 #include "nsHtml5ContentCreatorFunction.h"
  47
  48 class nsHtml5StreamParser;
  49
  50 class nsHtml5AttributeName;
  51 class nsHtml5ElementName;
  52 class nsHtml5Tokenizer;
  53 class nsHtml5TreeBuilder;
  54 class nsHtml5UTF16Buffer;
  55 class nsHtml5StateSnapshot;
  56 class nsHtml5Portability;
  57
  58 class nsHtml5MetaScanner {
  59  private:
  60   static staticJArray<char16_t, int32_t> CHARSET;
  61   static staticJArray<char16_t, int32_t> CONTENT;
  62   static staticJArray<char16_t, int32_t> HTTP_EQUIV;
  63   static staticJArray<char16_t, int32_t> CONTENT_TYPE;
  64   static const int32_t NO = 0;
  65
  66   static const int32_t M = 1;
  67
  68   static const int32_t E = 2;
  69
  70   static const int32_t T = 3;
  71
  72   static const int32_t A = 4;
  73
  74   static const int32_t DATA = 0;
  75
  76   static const int32_t TAG_OPEN = 1;
  77
  78   static const int32_t SCAN_UNTIL_GT = 2;
  79
  80   static const int32_t TAG_NAME = 3;
  81
  82   static const int32_t BEFORE_ATTRIBUTE_NAME = 4;
  83
  84   static const int32_t ATTRIBUTE_NAME = 5;
  85
  86   static const int32_t AFTER_ATTRIBUTE_NAME = 6;
  87
  88   static const int32_t BEFORE_ATTRIBUTE_VALUE = 7;
  89
  90   static const int32_t ATTRIBUTE_VALUE_DOUBLE_QUOTED = 8;
  91
  92   static const int32_t ATTRIBUTE_VALUE_SINGLE_QUOTED = 9;
  93
  94   static const int32_t ATTRIBUTE_VALUE_UNQUOTED = 10;
  95
  96   static const int32_t AFTER_ATTRIBUTE_VALUE_QUOTED = 11;
  97
  98   static const int32_t MARKUP_DECLARATION_OPEN = 13;
  99
 100   static const int32_t MARKUP_DECLARATION_HYPHEN = 14;
 101
 102   static const int32_t COMMENT_START = 15;
 103
 104   static const int32_t COMMENT_START_DASH = 16;
 105
 106   static const int32_t COMMENT = 17;
 107
 108   static const int32_t COMMENT_END_DASH = 18;
 109
 110   static const int32_t COMMENT_END = 19;
 111
 112   static const int32_t SELF_CLOSING_START_TAG = 20;
 113
 114   static const int32_t HTTP_EQUIV_NOT_SEEN = 0;
 115
 116   static const int32_t HTTP_EQUIV_CONTENT_TYPE = 1;
 117
 118   static const int32_t HTTP_EQUIV_OTHER = 2;
 119
 120  protected:
 121   nsHtml5ByteReadable* readable;
 122
 123  private:
 124   int32_t metaState;
 125   int32_t contentIndex;
 126   int32_t charsetIndex;
 127   int32_t httpEquivIndex;
 128   int32_t contentTypeIndex;
 129
 130  protected:
 131   int32_t stateSave;
 132
 133  private:
 134   int32_t strBufLen;
 135   autoJArray<char16_t, int32_t> strBuf;
 136   nsHtml5String content;
 137   nsHtml5String charset;
 138   int32_t httpEquivState;
 139   nsHtml5TreeBuilder* treeBuilder;
 140
 141  public:
 142   explicit nsHtml5MetaScanner(nsHtml5TreeBuilder* tb);
 143   ~nsHtml5MetaScanner();
 144
 145  protected:
 146   void stateLoop(int32_t state);
 147
 148  private:
 149   void handleCharInAttributeValue(int32_t c);
 150   inline int32_t toAsciiLowerCase(int32_t c) {
 151     if (c >= 'A' && c <= 'Z') {
 152       return c + 0x20;
 153     }
 154     return c;
 155   }
 156
 157   void addToBuffer(int32_t c);
 158   void handleAttributeValue();
 159   bool handleTag();
 160   bool handleTagInner();
 161
 162  protected:
 163   bool tryCharset(nsHtml5String encoding);
 164
 165  public:
 166   static void initializeStatics();
 167   static void releaseStatics();
 168
 169 #include "nsHtml5MetaScannerHSupplement.h"
 170 };
 171
 172 #endif