anorgatarrak-wordpress-theme/node_modules/htmlparser2/lib/Tokenizer.js

907 lines
25 KiB
JavaScript

module.exports = Tokenizer;
var decodeCodePoint = require("entities/lib/decode_codepoint.js"),
entityMap = require("entities/maps/entities.json"),
legacyMap = require("entities/maps/legacy.json"),
xmlMap = require("entities/maps/xml.json"),
i = 0,
TEXT = i++,
BEFORE_TAG_NAME = i++, //after <
IN_TAG_NAME = i++,
IN_SELF_CLOSING_TAG = i++,
BEFORE_CLOSING_TAG_NAME = i++,
IN_CLOSING_TAG_NAME = i++,
AFTER_CLOSING_TAG_NAME = i++,
//attributes
BEFORE_ATTRIBUTE_NAME = i++,
IN_ATTRIBUTE_NAME = i++,
AFTER_ATTRIBUTE_NAME = i++,
BEFORE_ATTRIBUTE_VALUE = i++,
IN_ATTRIBUTE_VALUE_DQ = i++, // "
IN_ATTRIBUTE_VALUE_SQ = i++, // '
IN_ATTRIBUTE_VALUE_NQ = i++,
//declarations
BEFORE_DECLARATION = i++, // !
IN_DECLARATION = i++,
//processing instructions
IN_PROCESSING_INSTRUCTION = i++, // ?
//comments
BEFORE_COMMENT = i++,
IN_COMMENT = i++,
AFTER_COMMENT_1 = i++,
AFTER_COMMENT_2 = i++,
//cdata
BEFORE_CDATA_1 = i++, // [
BEFORE_CDATA_2 = i++, // C
BEFORE_CDATA_3 = i++, // D
BEFORE_CDATA_4 = i++, // A
BEFORE_CDATA_5 = i++, // T
BEFORE_CDATA_6 = i++, // A
IN_CDATA = i++, // [
AFTER_CDATA_1 = i++, // ]
AFTER_CDATA_2 = i++, // ]
//special tags
BEFORE_SPECIAL = i++, //S
BEFORE_SPECIAL_END = i++, //S
BEFORE_SCRIPT_1 = i++, //C
BEFORE_SCRIPT_2 = i++, //R
BEFORE_SCRIPT_3 = i++, //I
BEFORE_SCRIPT_4 = i++, //P
BEFORE_SCRIPT_5 = i++, //T
AFTER_SCRIPT_1 = i++, //C
AFTER_SCRIPT_2 = i++, //R
AFTER_SCRIPT_3 = i++, //I
AFTER_SCRIPT_4 = i++, //P
AFTER_SCRIPT_5 = i++, //T
BEFORE_STYLE_1 = i++, //T
BEFORE_STYLE_2 = i++, //Y
BEFORE_STYLE_3 = i++, //L
BEFORE_STYLE_4 = i++, //E
AFTER_STYLE_1 = i++, //T
AFTER_STYLE_2 = i++, //Y
AFTER_STYLE_3 = i++, //L
AFTER_STYLE_4 = i++, //E
BEFORE_ENTITY = i++, //&
BEFORE_NUMERIC_ENTITY = i++, //#
IN_NAMED_ENTITY = i++,
IN_NUMERIC_ENTITY = i++,
IN_HEX_ENTITY = i++, //X
j = 0,
SPECIAL_NONE = j++,
SPECIAL_SCRIPT = j++,
SPECIAL_STYLE = j++;
function whitespace(c){
return c === " " || c === "\n" || c === "\t" || c === "\f" || c === "\r";
}
function characterState(char, SUCCESS){
return function(c){
if(c === char) this._state = SUCCESS;
};
}
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._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 if(c === "<"){
this._cbs.ontext(this._getSection());
this._sectionStart = this._index;
} 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 = characterState("]", AFTER_CDATA_2);
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._index = 0;
this._bufferOffset += this._index;
} else if(this._running){
if(this._state === TEXT){
if(this._sectionStart !== this._index){
this._cbs.ontext(this._buffer.substr(this._sectionStart));
}
this._buffer = "";
this._index = 0;
this._bufferOffset += this._index;
} else if(this._sectionStart === this._index){
//the section just started
this._buffer = "";
this._index = 0;
this._bufferOffset += this._index;
} 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);
}
/*
* attributes
*/
else if(this._state === BEFORE_ATTRIBUTE_NAME){
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);
}
/*
* declarations
*/
else if(this._state === BEFORE_DECLARATION){
this._stateBeforeDeclaration(c);
} else if(this._state === IN_DECLARATION){
this._stateInDeclaration(c);
}
/*
* processing instructions
*/
else if(this._state === IN_PROCESSING_INSTRUCTION){
this._stateInProcessingInstruction(c);
}
/*
* comments
*/
else if(this._state === BEFORE_COMMENT){
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);
}
/*
* cdata
*/
else if(this._state === BEFORE_CDATA_1){
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);
}
/*
* special tags
*/
else if(this._state === BEFORE_SPECIAL){
this._stateBeforeSpecial(c);
} else if(this._state === BEFORE_SPECIAL_END){
this._stateBeforeSpecialEnd(c);
}
/*
* script
*/
else if(this._state === BEFORE_SCRIPT_1){
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);
}
/*
* style
*/
else if(this._state === BEFORE_STYLE_1){
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);
}
/*
* entities
*/
else if(this._state === BEFORE_ENTITY){
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);
}
};