зеркало из https://github.com/mozilla/gecko-dev.git
474 строки
13 KiB
C++
474 строки
13 KiB
C++
/*
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* Copyright (c) 2005-2007 Henri Sivonen
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* Copyright (c) 2007-2017 Mozilla Foundation
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* Portions of comments Copyright 2004-2010 Apple Computer, Inc., Mozilla
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* Foundation, and Opera Software ASA.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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/*
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* THIS IS A GENERATED FILE. PLEASE DO NOT EDIT.
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* Please edit Tokenizer.java instead and regenerate.
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*/
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#ifndef nsHtml5Tokenizer_h
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#define nsHtml5Tokenizer_h
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#include "jArray.h"
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#include "nsAHtml5TreeBuilderState.h"
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#include "nsAtom.h"
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#include "nsGkAtoms.h"
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#include "nsHtml5ArrayCopy.h"
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#include "nsHtml5AtomTable.h"
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#include "nsHtml5DocumentMode.h"
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#include "nsHtml5Highlighter.h"
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#include "nsHtml5Macros.h"
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#include "nsHtml5NamedCharacters.h"
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#include "nsHtml5NamedCharactersAccel.h"
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#include "nsHtml5String.h"
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#include "nsHtml5TokenizerLoopPolicies.h"
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#include "nsIContent.h"
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#include "nsTraceRefcnt.h"
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class nsHtml5StreamParser;
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class nsHtml5AttributeName;
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class nsHtml5ElementName;
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class nsHtml5TreeBuilder;
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class nsHtml5UTF16Buffer;
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class nsHtml5StateSnapshot;
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class nsHtml5Portability;
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class nsHtml5Tokenizer {
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private:
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static const int32_t DATA_AND_RCDATA_MASK = ~1;
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public:
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static const int32_t DATA = 0;
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static const int32_t RCDATA = 1;
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static const int32_t SCRIPT_DATA = 2;
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static const int32_t RAWTEXT = 3;
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static const int32_t SCRIPT_DATA_ESCAPED = 4;
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static const int32_t ATTRIBUTE_VALUE_DOUBLE_QUOTED = 5;
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static const int32_t ATTRIBUTE_VALUE_SINGLE_QUOTED = 6;
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static const int32_t ATTRIBUTE_VALUE_UNQUOTED = 7;
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static const int32_t PLAINTEXT = 8;
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static const int32_t TAG_OPEN = 9;
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static const int32_t CLOSE_TAG_OPEN = 10;
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static const int32_t TAG_NAME = 11;
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static const int32_t BEFORE_ATTRIBUTE_NAME = 12;
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static const int32_t ATTRIBUTE_NAME = 13;
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static const int32_t AFTER_ATTRIBUTE_NAME = 14;
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static const int32_t BEFORE_ATTRIBUTE_VALUE = 15;
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static const int32_t AFTER_ATTRIBUTE_VALUE_QUOTED = 16;
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static const int32_t BOGUS_COMMENT = 17;
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static const int32_t MARKUP_DECLARATION_OPEN = 18;
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static const int32_t DOCTYPE = 19;
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static const int32_t BEFORE_DOCTYPE_NAME = 20;
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static const int32_t DOCTYPE_NAME = 21;
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static const int32_t AFTER_DOCTYPE_NAME = 22;
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static const int32_t BEFORE_DOCTYPE_PUBLIC_IDENTIFIER = 23;
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static const int32_t DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED = 24;
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static const int32_t DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED = 25;
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static const int32_t AFTER_DOCTYPE_PUBLIC_IDENTIFIER = 26;
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static const int32_t BEFORE_DOCTYPE_SYSTEM_IDENTIFIER = 27;
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static const int32_t DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED = 28;
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static const int32_t DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED = 29;
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static const int32_t AFTER_DOCTYPE_SYSTEM_IDENTIFIER = 30;
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static const int32_t BOGUS_DOCTYPE = 31;
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static const int32_t COMMENT_START = 32;
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static const int32_t COMMENT_START_DASH = 33;
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static const int32_t COMMENT = 34;
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static const int32_t COMMENT_END_DASH = 35;
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static const int32_t COMMENT_END = 36;
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static const int32_t COMMENT_END_BANG = 37;
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static const int32_t NON_DATA_END_TAG_NAME = 38;
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static const int32_t MARKUP_DECLARATION_HYPHEN = 39;
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static const int32_t MARKUP_DECLARATION_OCTYPE = 40;
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static const int32_t DOCTYPE_UBLIC = 41;
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static const int32_t DOCTYPE_YSTEM = 42;
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static const int32_t AFTER_DOCTYPE_PUBLIC_KEYWORD = 43;
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static const int32_t BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS = 44;
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static const int32_t AFTER_DOCTYPE_SYSTEM_KEYWORD = 45;
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static const int32_t CONSUME_CHARACTER_REFERENCE = 46;
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static const int32_t CONSUME_NCR = 47;
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static const int32_t CHARACTER_REFERENCE_TAIL = 48;
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static const int32_t HEX_NCR_LOOP = 49;
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static const int32_t DECIMAL_NRC_LOOP = 50;
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static const int32_t HANDLE_NCR_VALUE = 51;
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static const int32_t HANDLE_NCR_VALUE_RECONSUME = 52;
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static const int32_t CHARACTER_REFERENCE_HILO_LOOKUP = 53;
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static const int32_t SELF_CLOSING_START_TAG = 54;
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static const int32_t CDATA_START = 55;
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static const int32_t CDATA_SECTION = 56;
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static const int32_t CDATA_RSQB = 57;
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static const int32_t CDATA_RSQB_RSQB = 58;
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static const int32_t SCRIPT_DATA_LESS_THAN_SIGN = 59;
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static const int32_t SCRIPT_DATA_ESCAPE_START = 60;
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static const int32_t SCRIPT_DATA_ESCAPE_START_DASH = 61;
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static const int32_t SCRIPT_DATA_ESCAPED_DASH = 62;
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static const int32_t SCRIPT_DATA_ESCAPED_DASH_DASH = 63;
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static const int32_t BOGUS_COMMENT_HYPHEN = 64;
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static const int32_t RAWTEXT_RCDATA_LESS_THAN_SIGN = 65;
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static const int32_t SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN = 66;
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static const int32_t SCRIPT_DATA_DOUBLE_ESCAPE_START = 67;
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static const int32_t SCRIPT_DATA_DOUBLE_ESCAPED = 68;
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static const int32_t SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN = 69;
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static const int32_t SCRIPT_DATA_DOUBLE_ESCAPED_DASH = 70;
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static const int32_t SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH = 71;
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static const int32_t SCRIPT_DATA_DOUBLE_ESCAPE_END = 72;
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static const int32_t PROCESSING_INSTRUCTION = 73;
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static const int32_t PROCESSING_INSTRUCTION_QUESTION_MARK = 74;
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static const int32_t COMMENT_LESSTHAN = 76;
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static const int32_t COMMENT_LESSTHAN_BANG = 77;
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static const int32_t COMMENT_LESSTHAN_BANG_DASH = 78;
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static const int32_t COMMENT_LESSTHAN_BANG_DASH_DASH = 79;
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private:
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static const int32_t LEAD_OFFSET = (0xD800 - (0x10000 >> 10));
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static char16_t LT_GT[];
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static char16_t LT_SOLIDUS[];
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static char16_t RSQB_RSQB[];
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static char16_t REPLACEMENT_CHARACTER[];
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static char16_t LF[];
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static char16_t CDATA_LSQB[];
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static char16_t OCTYPE[];
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static char16_t UBLIC[];
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static char16_t YSTEM[];
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static staticJArray<char16_t, int32_t> TITLE_ARR;
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static staticJArray<char16_t, int32_t> SCRIPT_ARR;
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static staticJArray<char16_t, int32_t> STYLE_ARR;
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static staticJArray<char16_t, int32_t> PLAINTEXT_ARR;
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static staticJArray<char16_t, int32_t> XMP_ARR;
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static staticJArray<char16_t, int32_t> TEXTAREA_ARR;
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static staticJArray<char16_t, int32_t> IFRAME_ARR;
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static staticJArray<char16_t, int32_t> NOEMBED_ARR;
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static staticJArray<char16_t, int32_t> NOSCRIPT_ARR;
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static staticJArray<char16_t, int32_t> NOFRAMES_ARR;
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protected:
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nsHtml5TreeBuilder* tokenHandler;
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nsHtml5StreamParser* encodingDeclarationHandler;
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bool lastCR;
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int32_t stateSave;
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private:
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int32_t returnStateSave;
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protected:
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int32_t index;
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private:
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bool forceQuirks;
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char16_t additional;
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int32_t entCol;
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int32_t firstCharKey;
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int32_t lo;
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int32_t hi;
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int32_t candidate;
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int32_t charRefBufMark;
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protected:
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int32_t value;
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private:
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bool seenDigits;
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bool suspendAfterCurrentNonTextToken;
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protected:
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int32_t cstart;
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private:
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nsHtml5String publicId;
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nsHtml5String systemId;
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autoJArray<char16_t, int32_t> strBuf;
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int32_t strBufLen;
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autoJArray<char16_t, int32_t> charRefBuf;
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int32_t charRefBufLen;
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autoJArray<char16_t, int32_t> bmpChar;
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autoJArray<char16_t, int32_t> astralChar;
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protected:
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nsHtml5ElementName* endTagExpectation;
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private:
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jArray<char16_t, int32_t> endTagExpectationAsArray;
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protected:
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bool endTag;
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private:
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bool containsHyphen;
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nsHtml5ElementName* tagName;
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nsHtml5ElementName* nonInternedTagName;
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protected:
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nsHtml5AttributeName* attributeName;
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private:
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nsHtml5AttributeName* nonInternedAttributeName;
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RefPtr<nsAtom> doctypeName;
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nsHtml5String publicIdentifier;
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nsHtml5String systemIdentifier;
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nsHtml5HtmlAttributes* attributes;
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bool newAttributesEachTime;
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bool shouldSuspend;
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protected:
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bool confident;
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private:
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int32_t line;
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int32_t attributeLine;
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nsHtml5AtomTable* interner;
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bool viewingXmlSource;
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public:
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nsHtml5Tokenizer(nsHtml5TreeBuilder* tokenHandler, bool viewingXmlSource);
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void setInterner(nsHtml5AtomTable* interner);
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void initLocation(nsHtml5String newPublicId, nsHtml5String newSystemId);
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bool isViewingXmlSource();
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void setState(int32_t specialTokenizerState);
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void setStateAndEndTagExpectation(int32_t specialTokenizerState,
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nsHtml5ElementName* endTagExpectation);
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private:
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void endTagExpectationToArray();
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public:
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void setLineNumber(int32_t line);
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inline int32_t getLineNumber() { return line; }
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nsHtml5HtmlAttributes* emptyAttributes();
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private:
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inline void appendCharRefBuf(char16_t c) {
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MOZ_RELEASE_ASSERT(charRefBufLen < charRefBuf.length,
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"Attempted to overrun charRefBuf!");
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charRefBuf[charRefBufLen++] = c;
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}
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void emitOrAppendCharRefBuf(int32_t returnState);
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inline void clearStrBufAfterUse() { strBufLen = 0; }
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inline void clearStrBufBeforeUse() {
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MOZ_ASSERT(!strBufLen, "strBufLen not reset after previous use!");
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strBufLen = 0;
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}
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inline void clearStrBufAfterOneHyphen() {
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MOZ_ASSERT(strBufLen == 1, "strBufLen length not one!");
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MOZ_ASSERT(strBuf[0] == '-', "strBuf does not start with a hyphen!");
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strBufLen = 0;
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}
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inline void appendStrBuf(char16_t c) {
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MOZ_ASSERT(strBufLen < strBuf.length,
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"Previous buffer length insufficient.");
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if (MOZ_UNLIKELY(strBufLen == strBuf.length)) {
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if (MOZ_UNLIKELY(!EnsureBufferSpace(1))) {
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MOZ_CRASH("Unable to recover from buffer reallocation failure");
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}
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}
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strBuf[strBufLen++] = c;
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}
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protected:
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nsHtml5String strBufToString();
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private:
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void strBufToDoctypeName();
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void emitStrBuf();
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inline void appendSecondHyphenToBogusComment() { appendStrBuf('-'); }
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inline void adjustDoubleHyphenAndAppendToStrBufAndErr(
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char16_t c, bool reportedConsecutiveHyphens) {
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appendStrBuf(c);
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}
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void appendStrBuf(char16_t* buffer, int32_t offset, int32_t length);
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inline void appendCharRefBufToStrBuf() {
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appendStrBuf(charRefBuf, 0, charRefBufLen);
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charRefBufLen = 0;
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}
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void emitComment(int32_t provisionalHyphens, int32_t pos);
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protected:
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void flushChars(char16_t* buf, int32_t pos);
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private:
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void strBufToElementNameString();
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int32_t emitCurrentTagToken(bool selfClosing, int32_t pos);
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void attributeNameComplete();
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void addAttributeWithoutValue();
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void addAttributeWithValue();
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public:
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void start();
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bool tokenizeBuffer(nsHtml5UTF16Buffer* buffer);
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private:
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template <class P>
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int32_t stateLoop(int32_t state, char16_t c, int32_t pos, char16_t* buf,
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bool reconsume, int32_t returnState, int32_t endPos);
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void initDoctypeFields();
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inline void adjustDoubleHyphenAndAppendToStrBufCarriageReturn() {
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silentCarriageReturn();
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adjustDoubleHyphenAndAppendToStrBufAndErr('\n', false);
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}
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inline void adjustDoubleHyphenAndAppendToStrBufLineFeed() {
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silentLineFeed();
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adjustDoubleHyphenAndAppendToStrBufAndErr('\n', false);
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}
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inline void appendStrBufLineFeed() {
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silentLineFeed();
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appendStrBuf('\n');
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}
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inline void appendStrBufCarriageReturn() {
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silentCarriageReturn();
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appendStrBuf('\n');
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}
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void emitCarriageReturn(char16_t* buf, int32_t pos);
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void emitReplacementCharacter(char16_t* buf, int32_t pos);
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void maybeEmitReplacementCharacter(char16_t* buf, int32_t pos);
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void emitPlaintextReplacementCharacter(char16_t* buf, int32_t pos);
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void setAdditionalAndRememberAmpersandLocation(char16_t add);
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void bogusDoctype();
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void bogusDoctypeWithoutQuirks();
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void handleNcrValue(int32_t returnState);
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public:
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void eof();
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private:
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void emitDoctypeToken(int32_t pos);
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void suspendIfRequestedAfterCurrentNonTextToken();
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void suspendAfterCurrentTokenIfNotInText();
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bool suspensionAfterCurrentNonTextTokenPending();
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public:
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bool internalEncodingDeclaration(nsHtml5String internalCharset);
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private:
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void emitOrAppendTwo(const char16_t* val, int32_t returnState);
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void emitOrAppendOne(const char16_t* val, int32_t returnState);
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public:
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void end();
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void requestSuspension();
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bool isInDataState();
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void resetToDataState();
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void loadState(nsHtml5Tokenizer* other);
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void initializeWithoutStarting();
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void setEncodingDeclarationHandler(
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nsHtml5StreamParser* encodingDeclarationHandler);
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~nsHtml5Tokenizer();
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static void initializeStatics();
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static void releaseStatics();
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#include "nsHtml5TokenizerHSupplement.h"
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};
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#endif
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