shift73k/assets_old/node_modules/htmlparser2/lib/Tokenizer.js

970 lines
28 KiB
JavaScript

module.exports = Tokenizer;
var decodeCodePoint = require("entities/lib/decode_codepoint.js");
var entityMap = require("entities/maps/entities.json");
var legacyMap = require("entities/maps/legacy.json");
var xmlMap = require("entities/maps/xml.json");
var i = 0;
var TEXT = i++;
var BEFORE_TAG_NAME = i++; //after <
var IN_TAG_NAME = i++;
var IN_SELF_CLOSING_TAG = i++;
var BEFORE_CLOSING_TAG_NAME = i++;
var IN_CLOSING_TAG_NAME = i++;
var AFTER_CLOSING_TAG_NAME = i++;
//attributes
var BEFORE_ATTRIBUTE_NAME = i++;
var IN_ATTRIBUTE_NAME = i++;
var AFTER_ATTRIBUTE_NAME = i++;
var BEFORE_ATTRIBUTE_VALUE = i++;
var IN_ATTRIBUTE_VALUE_DQ = i++; // "
var IN_ATTRIBUTE_VALUE_SQ = i++; // '
var IN_ATTRIBUTE_VALUE_NQ = i++;
//declarations
var BEFORE_DECLARATION = i++; // !
var IN_DECLARATION = i++;
//processing instructions
var IN_PROCESSING_INSTRUCTION = i++; // ?
//comments
var BEFORE_COMMENT = i++;
var IN_COMMENT = i++;
var AFTER_COMMENT_1 = i++;
var AFTER_COMMENT_2 = i++;
//cdata
var BEFORE_CDATA_1 = i++; // [
var BEFORE_CDATA_2 = i++; // C
var BEFORE_CDATA_3 = i++; // D
var BEFORE_CDATA_4 = i++; // A
var BEFORE_CDATA_5 = i++; // T
var BEFORE_CDATA_6 = i++; // A
var IN_CDATA = i++; // [
var AFTER_CDATA_1 = i++; // ]
var AFTER_CDATA_2 = i++; // ]
//special tags
var BEFORE_SPECIAL = i++; //S
var BEFORE_SPECIAL_END = i++; //S
var BEFORE_SCRIPT_1 = i++; //C
var BEFORE_SCRIPT_2 = i++; //R
var BEFORE_SCRIPT_3 = i++; //I
var BEFORE_SCRIPT_4 = i++; //P
var BEFORE_SCRIPT_5 = i++; //T
var AFTER_SCRIPT_1 = i++; //C
var AFTER_SCRIPT_2 = i++; //R
var AFTER_SCRIPT_3 = i++; //I
var AFTER_SCRIPT_4 = i++; //P
var AFTER_SCRIPT_5 = i++; //T
var BEFORE_STYLE_1 = i++; //T
var BEFORE_STYLE_2 = i++; //Y
var BEFORE_STYLE_3 = i++; //L
var BEFORE_STYLE_4 = i++; //E
var AFTER_STYLE_1 = i++; //T
var AFTER_STYLE_2 = i++; //Y
var AFTER_STYLE_3 = i++; //L
var AFTER_STYLE_4 = i++; //E
var BEFORE_ENTITY = i++; //&
var BEFORE_NUMERIC_ENTITY = i++; //#
var IN_NAMED_ENTITY = i++;
var IN_NUMERIC_ENTITY = i++;
var IN_HEX_ENTITY = i++; //X
var j = 0;
var SPECIAL_NONE = j++;
var SPECIAL_SCRIPT = j++;
var SPECIAL_STYLE = j++;
function whitespace(c) {
return c === " " || c === "\n" || c === "\t" || c === "\f" || c === "\r";
}
function ifElseState(upper, SUCCESS, FAILURE) {
var lower = upper.toLowerCase();
if (upper === lower) {
return function(c) {
if (c === lower) {
this._state = SUCCESS;
} else {
this._state = FAILURE;
this._index--;
}
};
} else {
return function(c) {
if (c === lower || c === upper) {
this._state = SUCCESS;
} else {
this._state = FAILURE;
this._index--;
}
};
}
}
function consumeSpecialNameChar(upper, NEXT_STATE) {
var lower = upper.toLowerCase();
return function(c) {
if (c === lower || c === upper) {
this._state = NEXT_STATE;
} else {
this._state = IN_TAG_NAME;
this._index--; //consume the token again
}
};
}
function Tokenizer(options, cbs) {
this._state = TEXT;
this._buffer = "";
this._sectionStart = 0;
this._index = 0;
this._bufferOffset = 0; //chars removed from _buffer
this._baseState = TEXT;
this._special = SPECIAL_NONE;
this._cbs = cbs;
this._running = true;
this._ended = false;
this._xmlMode = !!(options && options.xmlMode);
this._decodeEntities = !!(options && options.decodeEntities);
}
Tokenizer.prototype._stateText = function(c) {
if (c === "<") {
if (this._index > this._sectionStart) {
this._cbs.ontext(this._getSection());
}
this._state = BEFORE_TAG_NAME;
this._sectionStart = this._index;
} else if (
this._decodeEntities &&
this._special === SPECIAL_NONE &&
c === "&"
) {
if (this._index > this._sectionStart) {
this._cbs.ontext(this._getSection());
}
this._baseState = TEXT;
this._state = BEFORE_ENTITY;
this._sectionStart = this._index;
}
};
Tokenizer.prototype._stateBeforeTagName = function(c) {
if (c === "/") {
this._state = BEFORE_CLOSING_TAG_NAME;
} else if (c === "<") {
this._cbs.ontext(this._getSection());
this._sectionStart = this._index;
} else if (c === ">" || this._special !== SPECIAL_NONE || whitespace(c)) {
this._state = TEXT;
} else if (c === "!") {
this._state = BEFORE_DECLARATION;
this._sectionStart = this._index + 1;
} else if (c === "?") {
this._state = IN_PROCESSING_INSTRUCTION;
this._sectionStart = this._index + 1;
} else {
this._state =
!this._xmlMode && (c === "s" || c === "S")
? BEFORE_SPECIAL
: IN_TAG_NAME;
this._sectionStart = this._index;
}
};
Tokenizer.prototype._stateInTagName = function(c) {
if (c === "/" || c === ">" || whitespace(c)) {
this._emitToken("onopentagname");
this._state = BEFORE_ATTRIBUTE_NAME;
this._index--;
}
};
Tokenizer.prototype._stateBeforeCloseingTagName = function(c) {
if (whitespace(c));
else if (c === ">") {
this._state = TEXT;
} else if (this._special !== SPECIAL_NONE) {
if (c === "s" || c === "S") {
this._state = BEFORE_SPECIAL_END;
} else {
this._state = TEXT;
this._index--;
}
} else {
this._state = IN_CLOSING_TAG_NAME;
this._sectionStart = this._index;
}
};
Tokenizer.prototype._stateInCloseingTagName = function(c) {
if (c === ">" || whitespace(c)) {
this._emitToken("onclosetag");
this._state = AFTER_CLOSING_TAG_NAME;
this._index--;
}
};
Tokenizer.prototype._stateAfterCloseingTagName = function(c) {
//skip everything until ">"
if (c === ">") {
this._state = TEXT;
this._sectionStart = this._index + 1;
}
};
Tokenizer.prototype._stateBeforeAttributeName = function(c) {
if (c === ">") {
this._cbs.onopentagend();
this._state = TEXT;
this._sectionStart = this._index + 1;
} else if (c === "/") {
this._state = IN_SELF_CLOSING_TAG;
} else if (!whitespace(c)) {
this._state = IN_ATTRIBUTE_NAME;
this._sectionStart = this._index;
}
};
Tokenizer.prototype._stateInSelfClosingTag = function(c) {
if (c === ">") {
this._cbs.onselfclosingtag();
this._state = TEXT;
this._sectionStart = this._index + 1;
} else if (!whitespace(c)) {
this._state = BEFORE_ATTRIBUTE_NAME;
this._index--;
}
};
Tokenizer.prototype._stateInAttributeName = function(c) {
if (c === "=" || c === "/" || c === ">" || whitespace(c)) {
this._cbs.onattribname(this._getSection());
this._sectionStart = -1;
this._state = AFTER_ATTRIBUTE_NAME;
this._index--;
}
};
Tokenizer.prototype._stateAfterAttributeName = function(c) {
if (c === "=") {
this._state = BEFORE_ATTRIBUTE_VALUE;
} else if (c === "/" || c === ">") {
this._cbs.onattribend();
this._state = BEFORE_ATTRIBUTE_NAME;
this._index--;
} else if (!whitespace(c)) {
this._cbs.onattribend();
this._state = IN_ATTRIBUTE_NAME;
this._sectionStart = this._index;
}
};
Tokenizer.prototype._stateBeforeAttributeValue = function(c) {
if (c === '"') {
this._state = IN_ATTRIBUTE_VALUE_DQ;
this._sectionStart = this._index + 1;
} else if (c === "'") {
this._state = IN_ATTRIBUTE_VALUE_SQ;
this._sectionStart = this._index + 1;
} else if (!whitespace(c)) {
this._state = IN_ATTRIBUTE_VALUE_NQ;
this._sectionStart = this._index;
this._index--; //reconsume token
}
};
Tokenizer.prototype._stateInAttributeValueDoubleQuotes = function(c) {
if (c === '"') {
this._emitToken("onattribdata");
this._cbs.onattribend();
this._state = BEFORE_ATTRIBUTE_NAME;
} else if (this._decodeEntities && c === "&") {
this._emitToken("onattribdata");
this._baseState = this._state;
this._state = BEFORE_ENTITY;
this._sectionStart = this._index;
}
};
Tokenizer.prototype._stateInAttributeValueSingleQuotes = function(c) {
if (c === "'") {
this._emitToken("onattribdata");
this._cbs.onattribend();
this._state = BEFORE_ATTRIBUTE_NAME;
} else if (this._decodeEntities && c === "&") {
this._emitToken("onattribdata");
this._baseState = this._state;
this._state = BEFORE_ENTITY;
this._sectionStart = this._index;
}
};
Tokenizer.prototype._stateInAttributeValueNoQuotes = function(c) {
if (whitespace(c) || c === ">") {
this._emitToken("onattribdata");
this._cbs.onattribend();
this._state = BEFORE_ATTRIBUTE_NAME;
this._index--;
} else if (this._decodeEntities && c === "&") {
this._emitToken("onattribdata");
this._baseState = this._state;
this._state = BEFORE_ENTITY;
this._sectionStart = this._index;
}
};
Tokenizer.prototype._stateBeforeDeclaration = function(c) {
this._state =
c === "["
? BEFORE_CDATA_1
: c === "-"
? BEFORE_COMMENT
: IN_DECLARATION;
};
Tokenizer.prototype._stateInDeclaration = function(c) {
if (c === ">") {
this._cbs.ondeclaration(this._getSection());
this._state = TEXT;
this._sectionStart = this._index + 1;
}
};
Tokenizer.prototype._stateInProcessingInstruction = function(c) {
if (c === ">") {
this._cbs.onprocessinginstruction(this._getSection());
this._state = TEXT;
this._sectionStart = this._index + 1;
}
};
Tokenizer.prototype._stateBeforeComment = function(c) {
if (c === "-") {
this._state = IN_COMMENT;
this._sectionStart = this._index + 1;
} else {
this._state = IN_DECLARATION;
}
};
Tokenizer.prototype._stateInComment = function(c) {
if (c === "-") this._state = AFTER_COMMENT_1;
};
Tokenizer.prototype._stateAfterComment1 = function(c) {
if (c === "-") {
this._state = AFTER_COMMENT_2;
} else {
this._state = IN_COMMENT;
}
};
Tokenizer.prototype._stateAfterComment2 = function(c) {
if (c === ">") {
//remove 2 trailing chars
this._cbs.oncomment(
this._buffer.substring(this._sectionStart, this._index - 2)
);
this._state = TEXT;
this._sectionStart = this._index + 1;
} else if (c !== "-") {
this._state = IN_COMMENT;
}
// else: stay in AFTER_COMMENT_2 (`--->`)
};
Tokenizer.prototype._stateBeforeCdata1 = ifElseState(
"C",
BEFORE_CDATA_2,
IN_DECLARATION
);
Tokenizer.prototype._stateBeforeCdata2 = ifElseState(
"D",
BEFORE_CDATA_3,
IN_DECLARATION
);
Tokenizer.prototype._stateBeforeCdata3 = ifElseState(
"A",
BEFORE_CDATA_4,
IN_DECLARATION
);
Tokenizer.prototype._stateBeforeCdata4 = ifElseState(
"T",
BEFORE_CDATA_5,
IN_DECLARATION
);
Tokenizer.prototype._stateBeforeCdata5 = ifElseState(
"A",
BEFORE_CDATA_6,
IN_DECLARATION
);
Tokenizer.prototype._stateBeforeCdata6 = function(c) {
if (c === "[") {
this._state = IN_CDATA;
this._sectionStart = this._index + 1;
} else {
this._state = IN_DECLARATION;
this._index--;
}
};
Tokenizer.prototype._stateInCdata = function(c) {
if (c === "]") this._state = AFTER_CDATA_1;
};
Tokenizer.prototype._stateAfterCdata1 = function(c) {
if (c === "]") this._state = AFTER_CDATA_2;
else this._state = IN_CDATA;
};
Tokenizer.prototype._stateAfterCdata2 = function(c) {
if (c === ">") {
//remove 2 trailing chars
this._cbs.oncdata(
this._buffer.substring(this._sectionStart, this._index - 2)
);
this._state = TEXT;
this._sectionStart = this._index + 1;
} else if (c !== "]") {
this._state = IN_CDATA;
}
//else: stay in AFTER_CDATA_2 (`]]]>`)
};
Tokenizer.prototype._stateBeforeSpecial = function(c) {
if (c === "c" || c === "C") {
this._state = BEFORE_SCRIPT_1;
} else if (c === "t" || c === "T") {
this._state = BEFORE_STYLE_1;
} else {
this._state = IN_TAG_NAME;
this._index--; //consume the token again
}
};
Tokenizer.prototype._stateBeforeSpecialEnd = function(c) {
if (this._special === SPECIAL_SCRIPT && (c === "c" || c === "C")) {
this._state = AFTER_SCRIPT_1;
} else if (this._special === SPECIAL_STYLE && (c === "t" || c === "T")) {
this._state = AFTER_STYLE_1;
} else this._state = TEXT;
};
Tokenizer.prototype._stateBeforeScript1 = consumeSpecialNameChar(
"R",
BEFORE_SCRIPT_2
);
Tokenizer.prototype._stateBeforeScript2 = consumeSpecialNameChar(
"I",
BEFORE_SCRIPT_3
);
Tokenizer.prototype._stateBeforeScript3 = consumeSpecialNameChar(
"P",
BEFORE_SCRIPT_4
);
Tokenizer.prototype._stateBeforeScript4 = consumeSpecialNameChar(
"T",
BEFORE_SCRIPT_5
);
Tokenizer.prototype._stateBeforeScript5 = function(c) {
if (c === "/" || c === ">" || whitespace(c)) {
this._special = SPECIAL_SCRIPT;
}
this._state = IN_TAG_NAME;
this._index--; //consume the token again
};
Tokenizer.prototype._stateAfterScript1 = ifElseState("R", AFTER_SCRIPT_2, TEXT);
Tokenizer.prototype._stateAfterScript2 = ifElseState("I", AFTER_SCRIPT_3, TEXT);
Tokenizer.prototype._stateAfterScript3 = ifElseState("P", AFTER_SCRIPT_4, TEXT);
Tokenizer.prototype._stateAfterScript4 = ifElseState("T", AFTER_SCRIPT_5, TEXT);
Tokenizer.prototype._stateAfterScript5 = function(c) {
if (c === ">" || whitespace(c)) {
this._special = SPECIAL_NONE;
this._state = IN_CLOSING_TAG_NAME;
this._sectionStart = this._index - 6;
this._index--; //reconsume the token
} else this._state = TEXT;
};
Tokenizer.prototype._stateBeforeStyle1 = consumeSpecialNameChar(
"Y",
BEFORE_STYLE_2
);
Tokenizer.prototype._stateBeforeStyle2 = consumeSpecialNameChar(
"L",
BEFORE_STYLE_3
);
Tokenizer.prototype._stateBeforeStyle3 = consumeSpecialNameChar(
"E",
BEFORE_STYLE_4
);
Tokenizer.prototype._stateBeforeStyle4 = function(c) {
if (c === "/" || c === ">" || whitespace(c)) {
this._special = SPECIAL_STYLE;
}
this._state = IN_TAG_NAME;
this._index--; //consume the token again
};
Tokenizer.prototype._stateAfterStyle1 = ifElseState("Y", AFTER_STYLE_2, TEXT);
Tokenizer.prototype._stateAfterStyle2 = ifElseState("L", AFTER_STYLE_3, TEXT);
Tokenizer.prototype._stateAfterStyle3 = ifElseState("E", AFTER_STYLE_4, TEXT);
Tokenizer.prototype._stateAfterStyle4 = function(c) {
if (c === ">" || whitespace(c)) {
this._special = SPECIAL_NONE;
this._state = IN_CLOSING_TAG_NAME;
this._sectionStart = this._index - 5;
this._index--; //reconsume the token
} else this._state = TEXT;
};
Tokenizer.prototype._stateBeforeEntity = ifElseState(
"#",
BEFORE_NUMERIC_ENTITY,
IN_NAMED_ENTITY
);
Tokenizer.prototype._stateBeforeNumericEntity = ifElseState(
"X",
IN_HEX_ENTITY,
IN_NUMERIC_ENTITY
);
//for entities terminated with a semicolon
Tokenizer.prototype._parseNamedEntityStrict = function() {
//offset = 1
if (this._sectionStart + 1 < this._index) {
var entity = this._buffer.substring(
this._sectionStart + 1,
this._index
),
map = this._xmlMode ? xmlMap : entityMap;
if (map.hasOwnProperty(entity)) {
this._emitPartial(map[entity]);
this._sectionStart = this._index + 1;
}
}
};
//parses legacy entities (without trailing semicolon)
Tokenizer.prototype._parseLegacyEntity = function() {
var start = this._sectionStart + 1,
limit = this._index - start;
if (limit > 6) limit = 6; //the max length of legacy entities is 6
while (limit >= 2) {
//the min length of legacy entities is 2
var entity = this._buffer.substr(start, limit);
if (legacyMap.hasOwnProperty(entity)) {
this._emitPartial(legacyMap[entity]);
this._sectionStart += limit + 1;
return;
} else {
limit--;
}
}
};
Tokenizer.prototype._stateInNamedEntity = function(c) {
if (c === ";") {
this._parseNamedEntityStrict();
if (this._sectionStart + 1 < this._index && !this._xmlMode) {
this._parseLegacyEntity();
}
this._state = this._baseState;
} else if (
(c < "a" || c > "z") &&
(c < "A" || c > "Z") &&
(c < "0" || c > "9")
) {
if (this._xmlMode);
else if (this._sectionStart + 1 === this._index);
else if (this._baseState !== TEXT) {
if (c !== "=") {
this._parseNamedEntityStrict();
}
} else {
this._parseLegacyEntity();
}
this._state = this._baseState;
this._index--;
}
};
Tokenizer.prototype._decodeNumericEntity = function(offset, base) {
var sectionStart = this._sectionStart + offset;
if (sectionStart !== this._index) {
//parse entity
var entity = this._buffer.substring(sectionStart, this._index);
var parsed = parseInt(entity, base);
this._emitPartial(decodeCodePoint(parsed));
this._sectionStart = this._index;
} else {
this._sectionStart--;
}
this._state = this._baseState;
};
Tokenizer.prototype._stateInNumericEntity = function(c) {
if (c === ";") {
this._decodeNumericEntity(2, 10);
this._sectionStart++;
} else if (c < "0" || c > "9") {
if (!this._xmlMode) {
this._decodeNumericEntity(2, 10);
} else {
this._state = this._baseState;
}
this._index--;
}
};
Tokenizer.prototype._stateInHexEntity = function(c) {
if (c === ";") {
this._decodeNumericEntity(3, 16);
this._sectionStart++;
} else if (
(c < "a" || c > "f") &&
(c < "A" || c > "F") &&
(c < "0" || c > "9")
) {
if (!this._xmlMode) {
this._decodeNumericEntity(3, 16);
} else {
this._state = this._baseState;
}
this._index--;
}
};
Tokenizer.prototype._cleanup = function() {
if (this._sectionStart < 0) {
this._buffer = "";
this._bufferOffset += this._index;
this._index = 0;
} else if (this._running) {
if (this._state === TEXT) {
if (this._sectionStart !== this._index) {
this._cbs.ontext(this._buffer.substr(this._sectionStart));
}
this._buffer = "";
this._bufferOffset += this._index;
this._index = 0;
} else if (this._sectionStart === this._index) {
//the section just started
this._buffer = "";
this._bufferOffset += this._index;
this._index = 0;
} else {
//remove everything unnecessary
this._buffer = this._buffer.substr(this._sectionStart);
this._index -= this._sectionStart;
this._bufferOffset += this._sectionStart;
}
this._sectionStart = 0;
}
};
//TODO make events conditional
Tokenizer.prototype.write = function(chunk) {
if (this._ended) this._cbs.onerror(Error(".write() after done!"));
this._buffer += chunk;
this._parse();
};
Tokenizer.prototype._parse = function() {
while (this._index < this._buffer.length && this._running) {
var c = this._buffer.charAt(this._index);
if (this._state === TEXT) {
this._stateText(c);
} else if (this._state === BEFORE_TAG_NAME) {
this._stateBeforeTagName(c);
} else if (this._state === IN_TAG_NAME) {
this._stateInTagName(c);
} else if (this._state === BEFORE_CLOSING_TAG_NAME) {
this._stateBeforeCloseingTagName(c);
} else if (this._state === IN_CLOSING_TAG_NAME) {
this._stateInCloseingTagName(c);
} else if (this._state === AFTER_CLOSING_TAG_NAME) {
this._stateAfterCloseingTagName(c);
} else if (this._state === IN_SELF_CLOSING_TAG) {
this._stateInSelfClosingTag(c);
} else if (this._state === BEFORE_ATTRIBUTE_NAME) {
/*
* attributes
*/
this._stateBeforeAttributeName(c);
} else if (this._state === IN_ATTRIBUTE_NAME) {
this._stateInAttributeName(c);
} else if (this._state === AFTER_ATTRIBUTE_NAME) {
this._stateAfterAttributeName(c);
} else if (this._state === BEFORE_ATTRIBUTE_VALUE) {
this._stateBeforeAttributeValue(c);
} else if (this._state === IN_ATTRIBUTE_VALUE_DQ) {
this._stateInAttributeValueDoubleQuotes(c);
} else if (this._state === IN_ATTRIBUTE_VALUE_SQ) {
this._stateInAttributeValueSingleQuotes(c);
} else if (this._state === IN_ATTRIBUTE_VALUE_NQ) {
this._stateInAttributeValueNoQuotes(c);
} else if (this._state === BEFORE_DECLARATION) {
/*
* declarations
*/
this._stateBeforeDeclaration(c);
} else if (this._state === IN_DECLARATION) {
this._stateInDeclaration(c);
} else if (this._state === IN_PROCESSING_INSTRUCTION) {
/*
* processing instructions
*/
this._stateInProcessingInstruction(c);
} else if (this._state === BEFORE_COMMENT) {
/*
* comments
*/
this._stateBeforeComment(c);
} else if (this._state === IN_COMMENT) {
this._stateInComment(c);
} else if (this._state === AFTER_COMMENT_1) {
this._stateAfterComment1(c);
} else if (this._state === AFTER_COMMENT_2) {
this._stateAfterComment2(c);
} else if (this._state === BEFORE_CDATA_1) {
/*
* cdata
*/
this._stateBeforeCdata1(c);
} else if (this._state === BEFORE_CDATA_2) {
this._stateBeforeCdata2(c);
} else if (this._state === BEFORE_CDATA_3) {
this._stateBeforeCdata3(c);
} else if (this._state === BEFORE_CDATA_4) {
this._stateBeforeCdata4(c);
} else if (this._state === BEFORE_CDATA_5) {
this._stateBeforeCdata5(c);
} else if (this._state === BEFORE_CDATA_6) {
this._stateBeforeCdata6(c);
} else if (this._state === IN_CDATA) {
this._stateInCdata(c);
} else if (this._state === AFTER_CDATA_1) {
this._stateAfterCdata1(c);
} else if (this._state === AFTER_CDATA_2) {
this._stateAfterCdata2(c);
} else if (this._state === BEFORE_SPECIAL) {
/*
* special tags
*/
this._stateBeforeSpecial(c);
} else if (this._state === BEFORE_SPECIAL_END) {
this._stateBeforeSpecialEnd(c);
} else if (this._state === BEFORE_SCRIPT_1) {
/*
* script
*/
this._stateBeforeScript1(c);
} else if (this._state === BEFORE_SCRIPT_2) {
this._stateBeforeScript2(c);
} else if (this._state === BEFORE_SCRIPT_3) {
this._stateBeforeScript3(c);
} else if (this._state === BEFORE_SCRIPT_4) {
this._stateBeforeScript4(c);
} else if (this._state === BEFORE_SCRIPT_5) {
this._stateBeforeScript5(c);
} else if (this._state === AFTER_SCRIPT_1) {
this._stateAfterScript1(c);
} else if (this._state === AFTER_SCRIPT_2) {
this._stateAfterScript2(c);
} else if (this._state === AFTER_SCRIPT_3) {
this._stateAfterScript3(c);
} else if (this._state === AFTER_SCRIPT_4) {
this._stateAfterScript4(c);
} else if (this._state === AFTER_SCRIPT_5) {
this._stateAfterScript5(c);
} else if (this._state === BEFORE_STYLE_1) {
/*
* style
*/
this._stateBeforeStyle1(c);
} else if (this._state === BEFORE_STYLE_2) {
this._stateBeforeStyle2(c);
} else if (this._state === BEFORE_STYLE_3) {
this._stateBeforeStyle3(c);
} else if (this._state === BEFORE_STYLE_4) {
this._stateBeforeStyle4(c);
} else if (this._state === AFTER_STYLE_1) {
this._stateAfterStyle1(c);
} else if (this._state === AFTER_STYLE_2) {
this._stateAfterStyle2(c);
} else if (this._state === AFTER_STYLE_3) {
this._stateAfterStyle3(c);
} else if (this._state === AFTER_STYLE_4) {
this._stateAfterStyle4(c);
} else if (this._state === BEFORE_ENTITY) {
/*
* entities
*/
this._stateBeforeEntity(c);
} else if (this._state === BEFORE_NUMERIC_ENTITY) {
this._stateBeforeNumericEntity(c);
} else if (this._state === IN_NAMED_ENTITY) {
this._stateInNamedEntity(c);
} else if (this._state === IN_NUMERIC_ENTITY) {
this._stateInNumericEntity(c);
} else if (this._state === IN_HEX_ENTITY) {
this._stateInHexEntity(c);
} else {
this._cbs.onerror(Error("unknown _state"), this._state);
}
this._index++;
}
this._cleanup();
};
Tokenizer.prototype.pause = function() {
this._running = false;
};
Tokenizer.prototype.resume = function() {
this._running = true;
if (this._index < this._buffer.length) {
this._parse();
}
if (this._ended) {
this._finish();
}
};
Tokenizer.prototype.end = function(chunk) {
if (this._ended) this._cbs.onerror(Error(".end() after done!"));
if (chunk) this.write(chunk);
this._ended = true;
if (this._running) this._finish();
};
Tokenizer.prototype._finish = function() {
//if there is remaining data, emit it in a reasonable way
if (this._sectionStart < this._index) {
this._handleTrailingData();
}
this._cbs.onend();
};
Tokenizer.prototype._handleTrailingData = function() {
var data = this._buffer.substr(this._sectionStart);
if (
this._state === IN_CDATA ||
this._state === AFTER_CDATA_1 ||
this._state === AFTER_CDATA_2
) {
this._cbs.oncdata(data);
} else if (
this._state === IN_COMMENT ||
this._state === AFTER_COMMENT_1 ||
this._state === AFTER_COMMENT_2
) {
this._cbs.oncomment(data);
} else if (this._state === IN_NAMED_ENTITY && !this._xmlMode) {
this._parseLegacyEntity();
if (this._sectionStart < this._index) {
this._state = this._baseState;
this._handleTrailingData();
}
} else if (this._state === IN_NUMERIC_ENTITY && !this._xmlMode) {
this._decodeNumericEntity(2, 10);
if (this._sectionStart < this._index) {
this._state = this._baseState;
this._handleTrailingData();
}
} else if (this._state === IN_HEX_ENTITY && !this._xmlMode) {
this._decodeNumericEntity(3, 16);
if (this._sectionStart < this._index) {
this._state = this._baseState;
this._handleTrailingData();
}
} else if (
this._state !== IN_TAG_NAME &&
this._state !== BEFORE_ATTRIBUTE_NAME &&
this._state !== BEFORE_ATTRIBUTE_VALUE &&
this._state !== AFTER_ATTRIBUTE_NAME &&
this._state !== IN_ATTRIBUTE_NAME &&
this._state !== IN_ATTRIBUTE_VALUE_SQ &&
this._state !== IN_ATTRIBUTE_VALUE_DQ &&
this._state !== IN_ATTRIBUTE_VALUE_NQ &&
this._state !== IN_CLOSING_TAG_NAME
) {
this._cbs.ontext(data);
}
//else, ignore remaining data
//TODO add a way to remove current tag
};
Tokenizer.prototype.reset = function() {
Tokenizer.call(
this,
{ xmlMode: this._xmlMode, decodeEntities: this._decodeEntities },
this._cbs
);
};
Tokenizer.prototype.getAbsoluteIndex = function() {
return this._bufferOffset + this._index;
};
Tokenizer.prototype._getSection = function() {
return this._buffer.substring(this._sectionStart, this._index);
};
Tokenizer.prototype._emitToken = function(name) {
this._cbs[name](this._getSection());
this._sectionStart = -1;
};
Tokenizer.prototype._emitPartial = function(value) {
if (this._baseState !== TEXT) {
this._cbs.onattribdata(value); //TODO implement the new event
} else {
this._cbs.ontext(value);
}
};