/*
 * Copyright (c) 2007 Henri Sivonen
 * Copyright (c) 2008-2015 Mozilla Foundation
 * Copyright (c) 2018-2020 Moonchild Productions
 * Copyright (c) 2020 Binary Outcast
 *
 * 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.
 */

/*
 * THIS IS A GENERATED FILE. PLEASE DO NOT EDIT.
 * Please edit MetaScanner.java instead and regenerate.
 */

#ifndef nsHtml5MetaScanner_h
#define nsHtml5MetaScanner_h

#include "nsIAtom.h"
#include "nsHtml5AtomTable.h"
#include "nsHtml5String.h"
#include "nsNameSpaceManager.h"
#include "nsIContent.h"
#include "nsTraceRefcnt.h"
#include "jArray.h"
#include "nsHtml5ArrayCopy.h"
#include "nsAHtml5TreeBuilderState.h"
#include "nsHtml5Atoms.h"
#include "nsHtml5ByteReadable.h"
#include "nsIUnicodeDecoder.h"
#include "nsHtml5Macros.h"
#include "nsIContentHandle.h"
#include "nsHtml5Portability.h"
#include "nsHtml5ContentCreatorFunction.h"

class nsHtml5StreamParser;

class nsHtml5AttributeName;
class nsHtml5ElementName;
class nsHtml5Tokenizer;
class nsHtml5TreeBuilder;
class nsHtml5UTF16Buffer;
class nsHtml5StateSnapshot;
class nsHtml5Portability;


class nsHtml5MetaScanner
{
  private:
    static staticJArray<char16_t,int32_t> CHARSET;
    static staticJArray<char16_t,int32_t> CONTENT;
    static staticJArray<char16_t,int32_t> HTTP_EQUIV;
    static staticJArray<char16_t,int32_t> CONTENT_TYPE;
    static const int32_t NO = 0;

    static const int32_t M = 1;

    static const int32_t E = 2;

    static const int32_t T = 3;

    static const int32_t A = 4;

    static const int32_t DATA = 0;

    static const int32_t TAG_OPEN = 1;

    static const int32_t SCAN_UNTIL_GT = 2;

    static const int32_t TAG_NAME = 3;

    static const int32_t BEFORE_ATTRIBUTE_NAME = 4;

    static const int32_t ATTRIBUTE_NAME = 5;

    static const int32_t AFTER_ATTRIBUTE_NAME = 6;

    static const int32_t BEFORE_ATTRIBUTE_VALUE = 7;

    static const int32_t ATTRIBUTE_VALUE_DOUBLE_QUOTED = 8;

    static const int32_t ATTRIBUTE_VALUE_SINGLE_QUOTED = 9;

    static const int32_t ATTRIBUTE_VALUE_UNQUOTED = 10;

    static const int32_t AFTER_ATTRIBUTE_VALUE_QUOTED = 11;

    static const int32_t MARKUP_DECLARATION_OPEN = 13;

    static const int32_t MARKUP_DECLARATION_HYPHEN = 14;

    static const int32_t COMMENT_START = 15;

    static const int32_t COMMENT_START_DASH = 16;

    static const int32_t COMMENT = 17;

    static const int32_t COMMENT_END_DASH = 18;

    static const int32_t COMMENT_END = 19;

    static const int32_t SELF_CLOSING_START_TAG = 20;

    static const int32_t HTTP_EQUIV_NOT_SEEN = 0;

    static const int32_t HTTP_EQUIV_CONTENT_TYPE = 1;

    static const int32_t HTTP_EQUIV_OTHER = 2;

  protected:
    nsHtml5ByteReadable* readable;
  private:
    int32_t metaState;
    int32_t contentIndex;
    int32_t charsetIndex;
    int32_t httpEquivIndex;
    int32_t contentTypeIndex;
  protected:
    int32_t stateSave;
  private:
    int32_t strBufLen;
    autoJArray<char16_t,int32_t> strBuf;
    nsHtml5String content;
    nsHtml5String charset;
    int32_t httpEquivState;
    nsHtml5TreeBuilder* treeBuilder;
  public:
    explicit nsHtml5MetaScanner(nsHtml5TreeBuilder* tb);
    ~nsHtml5MetaScanner();
  protected:
    void stateLoop(int32_t state);
  private:
    void handleCharInAttributeValue(int32_t c);
    inline int32_t toAsciiLowerCase(int32_t c)
    {
      if (c >= 'A' && c <= 'Z') {
        return c + 0x20;
      }
      return c;
    }

    void addToBuffer(int32_t c);
    void handleAttributeValue();
    bool handleTag();
    bool handleTagInner();
  protected:
    bool tryCharset(nsHtml5String encoding);
  public:
    static void initializeStatics();
    static void releaseStatics();

#include "nsHtml5MetaScannerHSupplement.h"
};

#endif