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/*
* Copyright (c) 2007 Henri Sivonen
* Copyright (c) 2008-2015 Mozilla Foundation
* Copyright (c) 2019 Moonchild Productions
*
* 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.
*/
#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"
class nsHtml5StreamParser;
class nsHtml5Tokenizer;
class nsHtml5TreeBuilder;
class nsHtml5AttributeName;
class nsHtml5ElementName;
class nsHtml5HtmlAttributes;
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;
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"
};
#define NS_HTML5META_SCANNER_NO 0
#define NS_HTML5META_SCANNER_M 1
#define NS_HTML5META_SCANNER_E 2
#define NS_HTML5META_SCANNER_T 3
#define NS_HTML5META_SCANNER_A 4
#define NS_HTML5META_SCANNER_DATA 0
#define NS_HTML5META_SCANNER_TAG_OPEN 1
#define NS_HTML5META_SCANNER_SCAN_UNTIL_GT 2
#define NS_HTML5META_SCANNER_TAG_NAME 3
#define NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_NAME 4
#define NS_HTML5META_SCANNER_ATTRIBUTE_NAME 5
#define NS_HTML5META_SCANNER_AFTER_ATTRIBUTE_NAME 6
#define NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_VALUE 7
#define NS_HTML5META_SCANNER_ATTRIBUTE_VALUE_DOUBLE_QUOTED 8
#define NS_HTML5META_SCANNER_ATTRIBUTE_VALUE_SINGLE_QUOTED 9
#define NS_HTML5META_SCANNER_ATTRIBUTE_VALUE_UNQUOTED 10
#define NS_HTML5META_SCANNER_AFTER_ATTRIBUTE_VALUE_QUOTED 11
#define NS_HTML5META_SCANNER_MARKUP_DECLARATION_OPEN 13
#define NS_HTML5META_SCANNER_MARKUP_DECLARATION_HYPHEN 14
#define NS_HTML5META_SCANNER_COMMENT_START 15
#define NS_HTML5META_SCANNER_COMMENT_START_DASH 16
#define NS_HTML5META_SCANNER_COMMENT 17
#define NS_HTML5META_SCANNER_COMMENT_END_DASH 18
#define NS_HTML5META_SCANNER_COMMENT_END 19
#define NS_HTML5META_SCANNER_SELF_CLOSING_START_TAG 20
#define NS_HTML5META_SCANNER_HTTP_EQUIV_NOT_SEEN 0
#define NS_HTML5META_SCANNER_HTTP_EQUIV_CONTENT_TYPE 1
#define NS_HTML5META_SCANNER_HTTP_EQUIV_OTHER 2
#endif
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