CasperSecurity
"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var decode_codepoint_1 = __importDefault(require("entities/lib/decode_codepoint"));
var entities_json_1 = __importDefault(require("entities/lib/maps/entities.json"));
var legacy_json_1 = __importDefault(require("entities/lib/maps/legacy.json"));
var xml_json_1 = __importDefault(require("entities/lib/maps/xml.json"));
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 (t, c) {
if (c === lower) {
t._state = SUCCESS;
}
else {
t._state = FAILURE;
t._index--;
}
};
}
else {
return function (t, c) {
if (c === lower || c === upper) {
t._state = SUCCESS;
}
else {
t._state = FAILURE;
t._index--;
}
};
}
}
function consumeSpecialNameChar(upper, NEXT_STATE) {
var lower = upper.toLowerCase();
return function (t, c) {
if (c === lower || c === upper) {
t._state = NEXT_STATE;
}
else {
t._state = 3 /* InTagName */;
t._index--; //consume the token again
}
};
}
var stateBeforeCdata1 = ifElseState("C", 23 /* BeforeCdata2 */, 16 /* InDeclaration */);
var stateBeforeCdata2 = ifElseState("D", 24 /* BeforeCdata3 */, 16 /* InDeclaration */);
var stateBeforeCdata3 = ifElseState("A", 25 /* BeforeCdata4 */, 16 /* InDeclaration */);
var stateBeforeCdata4 = ifElseState("T", 26 /* BeforeCdata5 */, 16 /* InDeclaration */);
var stateBeforeCdata5 = ifElseState("A", 27 /* BeforeCdata6 */, 16 /* InDeclaration */);
var stateBeforeScript1 = consumeSpecialNameChar("R", 34 /* BeforeScript2 */);
var stateBeforeScript2 = consumeSpecialNameChar("I", 35 /* BeforeScript3 */);
var stateBeforeScript3 = consumeSpecialNameChar("P", 36 /* BeforeScript4 */);
var stateBeforeScript4 = consumeSpecialNameChar("T", 37 /* BeforeScript5 */);
var stateAfterScript1 = ifElseState("R", 39 /* AfterScript2 */, 1 /* Text */);
var stateAfterScript2 = ifElseState("I", 40 /* AfterScript3 */, 1 /* Text */);
var stateAfterScript3 = ifElseState("P", 41 /* AfterScript4 */, 1 /* Text */);
var stateAfterScript4 = ifElseState("T", 42 /* AfterScript5 */, 1 /* Text */);
var stateBeforeStyle1 = consumeSpecialNameChar("Y", 44 /* BeforeStyle2 */);
var stateBeforeStyle2 = consumeSpecialNameChar("L", 45 /* BeforeStyle3 */);
var stateBeforeStyle3 = consumeSpecialNameChar("E", 46 /* BeforeStyle4 */);
var stateAfterStyle1 = ifElseState("Y", 48 /* AfterStyle2 */, 1 /* Text */);
var stateAfterStyle2 = ifElseState("L", 49 /* AfterStyle3 */, 1 /* Text */);
var stateAfterStyle3 = ifElseState("E", 50 /* AfterStyle4 */, 1 /* Text */);
var stateBeforeEntity = ifElseState("#", 52 /* BeforeNumericEntity */, 53 /* InNamedEntity */);
var stateBeforeNumericEntity = ifElseState("X", 55 /* InHexEntity */, 54 /* InNumericEntity */);
var Tokenizer = /** @class */ (function () {
function Tokenizer(options, cbs) {
/** The current state the tokenizer is in. */
this._state = 1 /* Text */;
/** The read buffer. */
this._buffer = "";
/** The beginning of the section that is currently being read. */
this._sectionStart = 0;
/** The index within the buffer that we are currently looking at. */
this._index = 0;
/**
* Data that has already been processed will be removed from the buffer occasionally.
* `_bufferOffset` keeps track of how many characters have been removed, to make sure position information is accurate.
*/
this._bufferOffset = 0;
/** Some behavior, eg. when decoding entities, is done while we are in another state. This keeps track of the other state type. */
this._baseState = 1 /* Text */;
/** For special parsing behavior inside of script and style tags. */
this._special = 1 /* None */;
/** Indicates whether the tokenizer has been paused. */
this._running = true;
/** Indicates whether the tokenizer has finished running / `.end` has been called. */
this._ended = false;
this._cbs = cbs;
this._xmlMode = !!(options && options.xmlMode);
this._decodeEntities = !!(options && options.decodeEntities);
}
Tokenizer.prototype.reset = function () {
this._state = 1 /* Text */;
this._buffer = "";
this._sectionStart = 0;
this._index = 0;
this._bufferOffset = 0;
this._baseState = 1 /* Text */;
this._special = 1 /* None */;
this._running = true;
this._ended = false;
};
Tokenizer.prototype._stateText = function (c) {
if (c === "<") {
if (this._index > this._sectionStart) {
this._cbs.ontext(this._getSection());
}
this._state = 2 /* BeforeTagName */;
this._sectionStart = this._index;
}
else if (this._decodeEntities &&
this._special === 1 /* None */ &&
c === "&") {
if (this._index > this._sectionStart) {
this._cbs.ontext(this._getSection());
}
this._baseState = 1 /* Text */;
this._state = 51 /* BeforeEntity */;
this._sectionStart = this._index;
}
};
Tokenizer.prototype._stateBeforeTagName = function (c) {
if (c === "/") {
this._state = 5 /* BeforeClosingTagName */;
}
else if (c === "<") {
this._cbs.ontext(this._getSection());
this._sectionStart = this._index;
}
else if (c === ">" ||
this._special !== 1 /* None */ ||
whitespace(c)) {
this._state = 1 /* Text */;
}
else if (c === "!") {
this._state = 15 /* BeforeDeclaration */;
this._sectionStart = this._index + 1;
}
else if (c === "?") {
this._state = 17 /* InProcessingInstruction */;
this._sectionStart = this._index + 1;
}
else {
this._state =
!this._xmlMode && (c === "s" || c === "S")
? 31 /* BeforeSpecial */
: 3 /* InTagName */;
this._sectionStart = this._index;
}
};
Tokenizer.prototype._stateInTagName = function (c) {
if (c === "/" || c === ">" || whitespace(c)) {
this._emitToken("onopentagname");
this._state = 8 /* BeforeAttributeName */;
this._index--;
}
};
Tokenizer.prototype._stateBeforeClosingTagName = function (c) {
if (whitespace(c)) {
// ignore
}
else if (c === ">") {
this._state = 1 /* Text */;
}
else if (this._special !== 1 /* None */) {
if (c === "s" || c === "S") {
this._state = 32 /* BeforeSpecialEnd */;
}
else {
this._state = 1 /* Text */;
this._index--;
}
}
else {
this._state = 6 /* InClosingTagName */;
this._sectionStart = this._index;
}
};
Tokenizer.prototype._stateInClosingTagName = function (c) {
if (c === ">" || whitespace(c)) {
this._emitToken("onclosetag");
this._state = 7 /* AfterClosingTagName */;
this._index--;
}
};
Tokenizer.prototype._stateAfterClosingTagName = function (c) {
//skip everything until ">"
if (c === ">") {
this._state = 1 /* Text */;
this._sectionStart = this._index + 1;
}
};
Tokenizer.prototype._stateBeforeAttributeName = function (c) {
if (c === ">") {
this._cbs.onopentagend();
this._state = 1 /* Text */;
this._sectionStart = this._index + 1;
}
else if (c === "/") {
this._state = 4 /* InSelfClosingTag */;
}
else if (!whitespace(c)) {
this._state = 9 /* InAttributeName */;
this._sectionStart = this._index;
}
};
Tokenizer.prototype._stateInSelfClosingTag = function (c) {
if (c === ">") {
this._cbs.onselfclosingtag();
this._state = 1 /* Text */;
this._sectionStart = this._index + 1;
}
else if (!whitespace(c)) {
this._state = 8 /* BeforeAttributeName */;
this._index--;
}
};
Tokenizer.prototype._stateInAttributeName = function (c) {
if (c === "=" || c === "/" || c === ">" || whitespace(c)) {
this._cbs.onattribname(this._getSection());
this._sectionStart = -1;
this._state = 10 /* AfterAttributeName */;
this._index--;
}
};
Tokenizer.prototype._stateAfterAttributeName = function (c) {
if (c === "=") {
this._state = 11 /* BeforeAttributeValue */;
}
else if (c === "/" || c === ">") {
this._cbs.onattribend();
this._state = 8 /* BeforeAttributeName */;
this._index--;
}
else if (!whitespace(c)) {
this._cbs.onattribend();
this._state = 9 /* InAttributeName */;
this._sectionStart = this._index;
}
};
Tokenizer.prototype._stateBeforeAttributeValue = function (c) {
if (c === '"') {
this._state = 12 /* InAttributeValueDq */;
this._sectionStart = this._index + 1;
}
else if (c === "'") {
this._state = 13 /* InAttributeValueSq */;
this._sectionStart = this._index + 1;
}
else if (!whitespace(c)) {
this._state = 14 /* InAttributeValueNq */;
this._sectionStart = this._index;
this._index--; //reconsume token
}
};
Tokenizer.prototype._stateInAttributeValueDoubleQuotes = function (c) {
if (c === '"') {
this._emitToken("onattribdata");
this._cbs.onattribend();
this._state = 8 /* BeforeAttributeName */;
}
else if (this._decodeEntities && c === "&") {
this._emitToken("onattribdata");
this._baseState = this._state;
this._state = 51 /* BeforeEntity */;
this._sectionStart = this._index;
}
};
Tokenizer.prototype._stateInAttributeValueSingleQuotes = function (c) {
if (c === "'") {
this._emitToken("onattribdata");
this._cbs.onattribend();
this._state = 8 /* BeforeAttributeName */;
}
else if (this._decodeEntities && c === "&") {
this._emitToken("onattribdata");
this._baseState = this._state;
this._state = 51 /* BeforeEntity */;
this._sectionStart = this._index;
}
};
Tokenizer.prototype._stateInAttributeValueNoQuotes = function (c) {
if (whitespace(c) || c === ">") {
this._emitToken("onattribdata");
this._cbs.onattribend();
this._state = 8 /* BeforeAttributeName */;
this._index--;
}
else if (this._decodeEntities && c === "&") {
this._emitToken("onattribdata");
this._baseState = this._state;
this._state = 51 /* BeforeEntity */;
this._sectionStart = this._index;
}
};
Tokenizer.prototype._stateBeforeDeclaration = function (c) {
this._state =
c === "["
? 22 /* BeforeCdata1 */
: c === "-"
? 18 /* BeforeComment */
: 16 /* InDeclaration */;
};
Tokenizer.prototype._stateInDeclaration = function (c) {
if (c === ">") {
this._cbs.ondeclaration(this._getSection());
this._state = 1 /* Text */;
this._sectionStart = this._index + 1;
}
};
Tokenizer.prototype._stateInProcessingInstruction = function (c) {
if (c === ">") {
this._cbs.onprocessinginstruction(this._getSection());
this._state = 1 /* Text */;
this._sectionStart = this._index + 1;
}
};
Tokenizer.prototype._stateBeforeComment = function (c) {
if (c === "-") {
this._state = 19 /* InComment */;
this._sectionStart = this._index + 1;
}
else {
this._state = 16 /* InDeclaration */;
}
};
Tokenizer.prototype._stateInComment = function (c) {
if (c === "-")
this._state = 20 /* AfterComment1 */;
};
Tokenizer.prototype._stateAfterComment1 = function (c) {
if (c === "-") {
this._state = 21 /* AfterComment2 */;
}
else {
this._state = 19 /* InComment */;
}
};
Tokenizer.prototype._stateAfterComment2 = function (c) {
if (c === ">") {
//remove 2 trailing chars
this._cbs.oncomment(this._buffer.substring(this._sectionStart, this._index - 2));
this._state = 1 /* Text */;
this._sectionStart = this._index + 1;
}
else if (c !== "-") {
this._state = 19 /* InComment */;
}
// else: stay in AFTER_COMMENT_2 (`--->`)
};
Tokenizer.prototype._stateBeforeCdata6 = function (c) {
if (c === "[") {
this._state = 28 /* InCdata */;
this._sectionStart = this._index + 1;
}
else {
this._state = 16 /* InDeclaration */;
this._index--;
}
};
Tokenizer.prototype._stateInCdata = function (c) {
if (c === "]")
this._state = 29 /* AfterCdata1 */;
};
Tokenizer.prototype._stateAfterCdata1 = function (c) {
if (c === "]")
this._state = 30 /* AfterCdata2 */;
else
this._state = 28 /* InCdata */;
};
Tokenizer.prototype._stateAfterCdata2 = function (c) {
if (c === ">") {
//remove 2 trailing chars
this._cbs.oncdata(this._buffer.substring(this._sectionStart, this._index - 2));
this._state = 1 /* Text */;
this._sectionStart = this._index + 1;
}
else if (c !== "]") {
this._state = 28 /* InCdata */;
}
//else: stay in AFTER_CDATA_2 (`]]]>`)
};
Tokenizer.prototype._stateBeforeSpecial = function (c) {
if (c === "c" || c === "C") {
this._state = 33 /* BeforeScript1 */;
}
else if (c === "t" || c === "T") {
this._state = 43 /* BeforeStyle1 */;
}
else {
this._state = 3 /* InTagName */;
this._index--; //consume the token again
}
};
Tokenizer.prototype._stateBeforeSpecialEnd = function (c) {
if (this._special === 2 /* Script */ && (c === "c" || c === "C")) {
this._state = 38 /* AfterScript1 */;
}
else if (this._special === 3 /* Style */ &&
(c === "t" || c === "T")) {
this._state = 47 /* AfterStyle1 */;
}
else
this._state = 1 /* Text */;
};
Tokenizer.prototype._stateBeforeScript5 = function (c) {
if (c === "/" || c === ">" || whitespace(c)) {
this._special = 2 /* Script */;
}
this._state = 3 /* InTagName */;
this._index--; //consume the token again
};
Tokenizer.prototype._stateAfterScript5 = function (c) {
if (c === ">" || whitespace(c)) {
this._special = 1 /* None */;
this._state = 6 /* InClosingTagName */;
this._sectionStart = this._index - 6;
this._index--; //reconsume the token
}
else
this._state = 1 /* Text */;
};
Tokenizer.prototype._stateBeforeStyle4 = function (c) {
if (c === "/" || c === ">" || whitespace(c)) {
this._special = 3 /* Style */;
}
this._state = 3 /* InTagName */;
this._index--; //consume the token again
};
Tokenizer.prototype._stateAfterStyle4 = function (c) {
if (c === ">" || whitespace(c)) {
this._special = 1 /* None */;
this._state = 6 /* InClosingTagName */;
this._sectionStart = this._index - 5;
this._index--; //reconsume the token
}
else
this._state = 1 /* Text */;
};
//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 ? xml_json_1.default : entities_json_1.default;
if (Object.prototype.hasOwnProperty.call(map, entity)) {
// @ts-ignore
this._emitPartial(map[entity]);
this._sectionStart = this._index + 1;
}
}
};
//parses legacy entities (without trailing semicolon)
Tokenizer.prototype._parseLegacyEntity = function () {
var start = this._sectionStart + 1;
var 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 (Object.prototype.hasOwnProperty.call(legacy_json_1.default, entity)) {
// @ts-ignore
this._emitPartial(legacy_json_1.default[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 || this._sectionStart + 1 === this._index) {
// ignore
}
else if (this._baseState !== 1 /* 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(decode_codepoint_1.default(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 === 1 /* 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();
};
// Iterates through the buffer, calling the function corresponding to the current state.
// States that are more likely to be hit are higher up, as a performance improvement.
Tokenizer.prototype._parse = function () {
while (this._index < this._buffer.length && this._running) {
var c = this._buffer.charAt(this._index);
if (this._state === 1 /* Text */) {
this._stateText(c);
}
else if (this._state === 12 /* InAttributeValueDq */) {
this._stateInAttributeValueDoubleQuotes(c);
}
else if (this._state === 9 /* InAttributeName */) {
this._stateInAttributeName(c);
}
else if (this._state === 19 /* InComment */) {
this._stateInComment(c);
}
else if (this._state === 8 /* BeforeAttributeName */) {
this._stateBeforeAttributeName(c);
}
else if (this._state === 3 /* InTagName */) {
this._stateInTagName(c);
}
else if (this._state === 6 /* InClosingTagName */) {
this._stateInClosingTagName(c);
}
else if (this._state === 2 /* BeforeTagName */) {
this._stateBeforeTagName(c);
}
else if (this._state === 10 /* AfterAttributeName */) {
this._stateAfterAttributeName(c);
}
else if (this._state === 13 /* InAttributeValueSq */) {
this._stateInAttributeValueSingleQuotes(c);
}
else if (this._state === 11 /* BeforeAttributeValue */) {
this._stateBeforeAttributeValue(c);
}
else if (this._state === 5 /* BeforeClosingTagName */) {
this._stateBeforeClosingTagName(c);
}
else if (this._state === 7 /* AfterClosingTagName */) {
this._stateAfterClosingTagName(c);
}
else if (this._state === 31 /* BeforeSpecial */) {
this._stateBeforeSpecial(c);
}
else if (this._state === 20 /* AfterComment1 */) {
this._stateAfterComment1(c);
}
else if (this._state === 14 /* InAttributeValueNq */) {
this._stateInAttributeValueNoQuotes(c);
}
else if (this._state === 4 /* InSelfClosingTag */) {
this._stateInSelfClosingTag(c);
}
else if (this._state === 16 /* InDeclaration */) {
this._stateInDeclaration(c);
}
else if (this._state === 15 /* BeforeDeclaration */) {
this._stateBeforeDeclaration(c);
}
else if (this._state === 21 /* AfterComment2 */) {
this._stateAfterComment2(c);
}
else if (this._state === 18 /* BeforeComment */) {
this._stateBeforeComment(c);
}
else if (this._state === 32 /* BeforeSpecialEnd */) {
this._stateBeforeSpecialEnd(c);
}
else if (this._state === 38 /* AfterScript1 */) {
stateAfterScript1(this, c);
}
else if (this._state === 39 /* AfterScript2 */) {
stateAfterScript2(this, c);
}
else if (this._state === 40 /* AfterScript3 */) {
stateAfterScript3(this, c);
}
else if (this._state === 33 /* BeforeScript1 */) {
stateBeforeScript1(this, c);
}
else if (this._state === 34 /* BeforeScript2 */) {
stateBeforeScript2(this, c);
}
else if (this._state === 35 /* BeforeScript3 */) {
stateBeforeScript3(this, c);
}
else if (this._state === 36 /* BeforeScript4 */) {
stateBeforeScript4(this, c);
}
else if (this._state === 37 /* BeforeScript5 */) {
this._stateBeforeScript5(c);
}
else if (this._state === 41 /* AfterScript4 */) {
stateAfterScript4(this, c);
}
else if (this._state === 42 /* AfterScript5 */) {
this._stateAfterScript5(c);
}
else if (this._state === 43 /* BeforeStyle1 */) {
stateBeforeStyle1(this, c);
}
else if (this._state === 28 /* InCdata */) {
this._stateInCdata(c);
}
else if (this._state === 44 /* BeforeStyle2 */) {
stateBeforeStyle2(this, c);
}
else if (this._state === 45 /* BeforeStyle3 */) {
stateBeforeStyle3(this, c);
}
else if (this._state === 46 /* BeforeStyle4 */) {
this._stateBeforeStyle4(c);
}
else if (this._state === 47 /* AfterStyle1 */) {
stateAfterStyle1(this, c);
}
else if (this._state === 48 /* AfterStyle2 */) {
stateAfterStyle2(this, c);
}
else if (this._state === 49 /* AfterStyle3 */) {
stateAfterStyle3(this, c);
}
else if (this._state === 50 /* AfterStyle4 */) {
this._stateAfterStyle4(c);
}
else if (this._state === 17 /* InProcessingInstruction */) {
this._stateInProcessingInstruction(c);
}
else if (this._state === 53 /* InNamedEntity */) {
this._stateInNamedEntity(c);
}
else if (this._state === 22 /* BeforeCdata1 */) {
stateBeforeCdata1(this, c);
}
else if (this._state === 51 /* BeforeEntity */) {
stateBeforeEntity(this, c);
}
else if (this._state === 23 /* BeforeCdata2 */) {
stateBeforeCdata2(this, c);
}
else if (this._state === 24 /* BeforeCdata3 */) {
stateBeforeCdata3(this, c);
}
else if (this._state === 29 /* AfterCdata1 */) {
this._stateAfterCdata1(c);
}
else if (this._state === 30 /* AfterCdata2 */) {
this._stateAfterCdata2(c);
}
else if (this._state === 25 /* BeforeCdata4 */) {
stateBeforeCdata4(this, c);
}
else if (this._state === 26 /* BeforeCdata5 */) {
stateBeforeCdata5(this, c);
}
else if (this._state === 27 /* BeforeCdata6 */) {
this._stateBeforeCdata6(c);
}
else if (this._state === 55 /* InHexEntity */) {
this._stateInHexEntity(c);
}
else if (this._state === 54 /* InNumericEntity */) {
this._stateInNumericEntity(c);
}
else if (this._state === 52 /* BeforeNumericEntity */) {
stateBeforeNumericEntity(this, 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 === 28 /* InCdata */ ||
this._state === 29 /* AfterCdata1 */ ||
this._state === 30 /* AfterCdata2 */) {
this._cbs.oncdata(data);
}
else if (this._state === 19 /* InComment */ ||
this._state === 20 /* AfterComment1 */ ||
this._state === 21 /* AfterComment2 */) {
this._cbs.oncomment(data);
}
else if (this._state === 53 /* InNamedEntity */ && !this._xmlMode) {
this._parseLegacyEntity();
if (this._sectionStart < this._index) {
this._state = this._baseState;
this._handleTrailingData();
}
}
else if (this._state === 54 /* InNumericEntity */ && !this._xmlMode) {
this._decodeNumericEntity(2, 10);
if (this._sectionStart < this._index) {
this._state = this._baseState;
this._handleTrailingData();
}
}
else if (this._state === 55 /* InHexEntity */ && !this._xmlMode) {
this._decodeNumericEntity(3, 16);
if (this._sectionStart < this._index) {
this._state = this._baseState;
this._handleTrailingData();
}
}
else if (this._state !== 3 /* InTagName */ &&
this._state !== 8 /* BeforeAttributeName */ &&
this._state !== 11 /* BeforeAttributeValue */ &&
this._state !== 10 /* AfterAttributeName */ &&
this._state !== 9 /* InAttributeName */ &&
this._state !== 13 /* InAttributeValueSq */ &&
this._state !== 12 /* InAttributeValueDq */ &&
this._state !== 14 /* InAttributeValueNq */ &&
this._state !== 6 /* InClosingTagName */) {
this._cbs.ontext(data);
}
//else, ignore remaining data
//TODO add a way to remove current tag
};
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 !== 1 /* Text */) {
this._cbs.onattribdata(value); //TODO implement the new event
}
else {
this._cbs.ontext(value);
}
};
return Tokenizer;
}());
exports.default = Tokenizer;