gecko-dev/parser/html/nsHtml5Tokenizer.h

386 строки
13 KiB
C++

/*
* Copyright (c) 2005-2007 Henri Sivonen
* Copyright (c) 2007-2015 Mozilla Foundation
* Portions of comments Copyright 2004-2010 Apple Computer, Inc., Mozilla
* Foundation, and Opera Software ASA.
*
* 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 Tokenizer.java instead and regenerate.
*/
#ifndef nsHtml5Tokenizer_h
#define nsHtml5Tokenizer_h
#include "nsIAtom.h"
#include "nsHtml5AtomTable.h"
#include "nsString.h"
#include "nsIContent.h"
#include "nsTraceRefcnt.h"
#include "jArray.h"
#include "nsHtml5DocumentMode.h"
#include "nsHtml5ArrayCopy.h"
#include "nsHtml5NamedCharacters.h"
#include "nsHtml5NamedCharactersAccel.h"
#include "nsHtml5Atoms.h"
#include "nsAHtml5TreeBuilderState.h"
#include "nsHtml5Macros.h"
#include "nsHtml5Highlighter.h"
#include "nsHtml5TokenizerLoopPolicies.h"
class nsHtml5StreamParser;
class nsHtml5TreeBuilder;
class nsHtml5MetaScanner;
class nsHtml5AttributeName;
class nsHtml5ElementName;
class nsHtml5HtmlAttributes;
class nsHtml5UTF16Buffer;
class nsHtml5StateSnapshot;
class nsHtml5Portability;
class nsHtml5Tokenizer
{
private:
static char16_t LT_GT[];
static char16_t LT_SOLIDUS[];
static char16_t RSQB_RSQB[];
static char16_t REPLACEMENT_CHARACTER[];
static char16_t LF[];
static char16_t CDATA_LSQB[];
static char16_t OCTYPE[];
static char16_t UBLIC[];
static char16_t YSTEM[];
static staticJArray<char16_t,int32_t> TITLE_ARR;
static staticJArray<char16_t,int32_t> SCRIPT_ARR;
static staticJArray<char16_t,int32_t> STYLE_ARR;
static staticJArray<char16_t,int32_t> PLAINTEXT_ARR;
static staticJArray<char16_t,int32_t> XMP_ARR;
static staticJArray<char16_t,int32_t> TEXTAREA_ARR;
static staticJArray<char16_t,int32_t> IFRAME_ARR;
static staticJArray<char16_t,int32_t> NOEMBED_ARR;
static staticJArray<char16_t,int32_t> NOSCRIPT_ARR;
static staticJArray<char16_t,int32_t> NOFRAMES_ARR;
protected:
nsHtml5TreeBuilder* tokenHandler;
nsHtml5StreamParser* encodingDeclarationHandler;
bool lastCR;
int32_t stateSave;
private:
int32_t returnStateSave;
protected:
int32_t index;
private:
bool forceQuirks;
char16_t additional;
int32_t entCol;
int32_t firstCharKey;
int32_t lo;
int32_t hi;
int32_t candidate;
int32_t charRefBufMark;
protected:
int32_t value;
private:
bool seenDigits;
protected:
int32_t cstart;
private:
nsString* publicId;
nsString* systemId;
autoJArray<char16_t,int32_t> strBuf;
int32_t strBufLen;
autoJArray<char16_t,int32_t> charRefBuf;
int32_t charRefBufLen;
autoJArray<char16_t,int32_t> bmpChar;
autoJArray<char16_t,int32_t> astralChar;
protected:
nsHtml5ElementName* endTagExpectation;
private:
jArray<char16_t,int32_t> endTagExpectationAsArray;
protected:
bool endTag;
private:
nsHtml5ElementName* tagName;
protected:
nsHtml5AttributeName* attributeName;
private:
nsIAtom* doctypeName;
nsString* publicIdentifier;
nsString* systemIdentifier;
nsHtml5HtmlAttributes* attributes;
bool newAttributesEachTime;
bool shouldSuspend;
protected:
bool confident;
private:
int32_t line;
int32_t attributeLine;
nsHtml5AtomTable* interner;
bool viewingXmlSource;
public:
nsHtml5Tokenizer(nsHtml5TreeBuilder* tokenHandler, bool viewingXmlSource);
void setInterner(nsHtml5AtomTable* interner);
void initLocation(nsString* newPublicId, nsString* newSystemId);
bool isViewingXmlSource();
void setStateAndEndTagExpectation(int32_t specialTokenizerState, nsIAtom* endTagExpectation);
void setStateAndEndTagExpectation(int32_t specialTokenizerState, nsHtml5ElementName* endTagExpectation);
private:
void endTagExpectationToArray();
public:
void setLineNumber(int32_t line);
inline int32_t getLineNumber()
{
return line;
}
nsHtml5HtmlAttributes* emptyAttributes();
private:
inline void appendCharRefBuf(char16_t c)
{
MOZ_RELEASE_ASSERT(charRefBufLen < charRefBuf.length, "Attempted to overrun charRefBuf!");
charRefBuf[charRefBufLen++] = c;
}
inline void clearCharRefBufAndAppend(char16_t c)
{
charRefBuf[0] = c;
charRefBufLen = 1;
}
void emitOrAppendCharRefBuf(int32_t returnState);
inline void clearStrBufAndAppend(char16_t c)
{
strBuf[0] = c;
strBufLen = 1;
}
inline void clearStrBuf()
{
strBufLen = 0;
}
inline void appendStrBuf(char16_t c)
{
MOZ_ASSERT(strBufLen < strBuf.length, "Previous buffer length insufficient.");
if (MOZ_UNLIKELY(strBufLen == strBuf.length)) {
if (MOZ_UNLIKELY(!EnsureBufferSpace(1))) {
MOZ_CRASH("Unable to recover from buffer reallocation failure");
}
}
strBuf[strBufLen++] = c;
}
protected:
nsString* strBufToString();
private:
void strBufToDoctypeName();
void emitStrBuf();
inline void appendSecondHyphenToBogusComment()
{
appendStrBuf('-');
}
inline void adjustDoubleHyphenAndAppendToStrBufAndErr(char16_t c)
{
errConsecutiveHyphens();
appendStrBuf(c);
}
void appendStrBuf(char16_t* buffer, int32_t offset, int32_t length);
inline void appendCharRefBufToStrBuf()
{
appendStrBuf(charRefBuf, 0, charRefBufLen);
}
void emitComment(int32_t provisionalHyphens, int32_t pos);
protected:
void flushChars(char16_t* buf, int32_t pos);
private:
void strBufToElementNameString();
int32_t emitCurrentTagToken(bool selfClosing, int32_t pos);
void attributeNameComplete();
void addAttributeWithoutValue();
void addAttributeWithValue();
public:
void start();
bool tokenizeBuffer(nsHtml5UTF16Buffer* buffer);
private:
template<class P> int32_t stateLoop(int32_t state, char16_t c, int32_t pos, char16_t* buf, bool reconsume, int32_t returnState, int32_t endPos);
void initDoctypeFields();
inline void adjustDoubleHyphenAndAppendToStrBufCarriageReturn()
{
silentCarriageReturn();
adjustDoubleHyphenAndAppendToStrBufAndErr('\n');
}
inline void adjustDoubleHyphenAndAppendToStrBufLineFeed()
{
silentLineFeed();
adjustDoubleHyphenAndAppendToStrBufAndErr('\n');
}
inline void appendStrBufLineFeed()
{
silentLineFeed();
appendStrBuf('\n');
}
inline void appendStrBufCarriageReturn()
{
silentCarriageReturn();
appendStrBuf('\n');
}
protected:
inline void silentCarriageReturn()
{
++line;
lastCR = true;
}
inline void silentLineFeed()
{
++line;
}
private:
void emitCarriageReturn(char16_t* buf, int32_t pos);
void emitReplacementCharacter(char16_t* buf, int32_t pos);
void emitPlaintextReplacementCharacter(char16_t* buf, int32_t pos);
void setAdditionalAndRememberAmpersandLocation(char16_t add);
void bogusDoctype();
void bogusDoctypeWithoutQuirks();
void handleNcrValue(int32_t returnState);
public:
void eof();
private:
void emitDoctypeToken(int32_t pos);
protected:
inline char16_t checkChar(char16_t* buf, int32_t pos)
{
return buf[pos];
}
public:
bool internalEncodingDeclaration(nsString* internalCharset);
private:
void emitOrAppendTwo(const char16_t* val, int32_t returnState);
void emitOrAppendOne(const char16_t* val, int32_t returnState);
public:
void end();
void requestSuspension();
bool isInDataState();
void resetToDataState();
void loadState(nsHtml5Tokenizer* other);
void initializeWithoutStarting();
void setEncodingDeclarationHandler(nsHtml5StreamParser* encodingDeclarationHandler);
~nsHtml5Tokenizer();
static void initializeStatics();
static void releaseStatics();
#include "nsHtml5TokenizerHSupplement.h"
};
#define NS_HTML5TOKENIZER_DATA_AND_RCDATA_MASK ~1
#define NS_HTML5TOKENIZER_DATA 0
#define NS_HTML5TOKENIZER_RCDATA 1
#define NS_HTML5TOKENIZER_SCRIPT_DATA 2
#define NS_HTML5TOKENIZER_RAWTEXT 3
#define NS_HTML5TOKENIZER_SCRIPT_DATA_ESCAPED 4
#define NS_HTML5TOKENIZER_ATTRIBUTE_VALUE_DOUBLE_QUOTED 5
#define NS_HTML5TOKENIZER_ATTRIBUTE_VALUE_SINGLE_QUOTED 6
#define NS_HTML5TOKENIZER_ATTRIBUTE_VALUE_UNQUOTED 7
#define NS_HTML5TOKENIZER_PLAINTEXT 8
#define NS_HTML5TOKENIZER_TAG_OPEN 9
#define NS_HTML5TOKENIZER_CLOSE_TAG_OPEN 10
#define NS_HTML5TOKENIZER_TAG_NAME 11
#define NS_HTML5TOKENIZER_BEFORE_ATTRIBUTE_NAME 12
#define NS_HTML5TOKENIZER_ATTRIBUTE_NAME 13
#define NS_HTML5TOKENIZER_AFTER_ATTRIBUTE_NAME 14
#define NS_HTML5TOKENIZER_BEFORE_ATTRIBUTE_VALUE 15
#define NS_HTML5TOKENIZER_AFTER_ATTRIBUTE_VALUE_QUOTED 16
#define NS_HTML5TOKENIZER_BOGUS_COMMENT 17
#define NS_HTML5TOKENIZER_MARKUP_DECLARATION_OPEN 18
#define NS_HTML5TOKENIZER_DOCTYPE 19
#define NS_HTML5TOKENIZER_BEFORE_DOCTYPE_NAME 20
#define NS_HTML5TOKENIZER_DOCTYPE_NAME 21
#define NS_HTML5TOKENIZER_AFTER_DOCTYPE_NAME 22
#define NS_HTML5TOKENIZER_BEFORE_DOCTYPE_PUBLIC_IDENTIFIER 23
#define NS_HTML5TOKENIZER_DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED 24
#define NS_HTML5TOKENIZER_DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED 25
#define NS_HTML5TOKENIZER_AFTER_DOCTYPE_PUBLIC_IDENTIFIER 26
#define NS_HTML5TOKENIZER_BEFORE_DOCTYPE_SYSTEM_IDENTIFIER 27
#define NS_HTML5TOKENIZER_DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED 28
#define NS_HTML5TOKENIZER_DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED 29
#define NS_HTML5TOKENIZER_AFTER_DOCTYPE_SYSTEM_IDENTIFIER 30
#define NS_HTML5TOKENIZER_BOGUS_DOCTYPE 31
#define NS_HTML5TOKENIZER_COMMENT_START 32
#define NS_HTML5TOKENIZER_COMMENT_START_DASH 33
#define NS_HTML5TOKENIZER_COMMENT 34
#define NS_HTML5TOKENIZER_COMMENT_END_DASH 35
#define NS_HTML5TOKENIZER_COMMENT_END 36
#define NS_HTML5TOKENIZER_COMMENT_END_BANG 37
#define NS_HTML5TOKENIZER_NON_DATA_END_TAG_NAME 38
#define NS_HTML5TOKENIZER_MARKUP_DECLARATION_HYPHEN 39
#define NS_HTML5TOKENIZER_MARKUP_DECLARATION_OCTYPE 40
#define NS_HTML5TOKENIZER_DOCTYPE_UBLIC 41
#define NS_HTML5TOKENIZER_DOCTYPE_YSTEM 42
#define NS_HTML5TOKENIZER_AFTER_DOCTYPE_PUBLIC_KEYWORD 43
#define NS_HTML5TOKENIZER_BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS 44
#define NS_HTML5TOKENIZER_AFTER_DOCTYPE_SYSTEM_KEYWORD 45
#define NS_HTML5TOKENIZER_CONSUME_CHARACTER_REFERENCE 46
#define NS_HTML5TOKENIZER_CONSUME_NCR 47
#define NS_HTML5TOKENIZER_CHARACTER_REFERENCE_TAIL 48
#define NS_HTML5TOKENIZER_HEX_NCR_LOOP 49
#define NS_HTML5TOKENIZER_DECIMAL_NRC_LOOP 50
#define NS_HTML5TOKENIZER_HANDLE_NCR_VALUE 51
#define NS_HTML5TOKENIZER_HANDLE_NCR_VALUE_RECONSUME 52
#define NS_HTML5TOKENIZER_CHARACTER_REFERENCE_HILO_LOOKUP 53
#define NS_HTML5TOKENIZER_SELF_CLOSING_START_TAG 54
#define NS_HTML5TOKENIZER_CDATA_START 55
#define NS_HTML5TOKENIZER_CDATA_SECTION 56
#define NS_HTML5TOKENIZER_CDATA_RSQB 57
#define NS_HTML5TOKENIZER_CDATA_RSQB_RSQB 58
#define NS_HTML5TOKENIZER_SCRIPT_DATA_LESS_THAN_SIGN 59
#define NS_HTML5TOKENIZER_SCRIPT_DATA_ESCAPE_START 60
#define NS_HTML5TOKENIZER_SCRIPT_DATA_ESCAPE_START_DASH 61
#define NS_HTML5TOKENIZER_SCRIPT_DATA_ESCAPED_DASH 62
#define NS_HTML5TOKENIZER_SCRIPT_DATA_ESCAPED_DASH_DASH 63
#define NS_HTML5TOKENIZER_BOGUS_COMMENT_HYPHEN 64
#define NS_HTML5TOKENIZER_RAWTEXT_RCDATA_LESS_THAN_SIGN 65
#define NS_HTML5TOKENIZER_SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN 66
#define NS_HTML5TOKENIZER_SCRIPT_DATA_DOUBLE_ESCAPE_START 67
#define NS_HTML5TOKENIZER_SCRIPT_DATA_DOUBLE_ESCAPED 68
#define NS_HTML5TOKENIZER_SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN 69
#define NS_HTML5TOKENIZER_SCRIPT_DATA_DOUBLE_ESCAPED_DASH 70
#define NS_HTML5TOKENIZER_SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH 71
#define NS_HTML5TOKENIZER_SCRIPT_DATA_DOUBLE_ESCAPE_END 72
#define NS_HTML5TOKENIZER_PROCESSING_INSTRUCTION 73
#define NS_HTML5TOKENIZER_PROCESSING_INSTRUCTION_QUESTION_MARK 74
#define NS_HTML5TOKENIZER_LEAD_OFFSET (0xD800 - (0x10000 >> 10))
#endif