%PDF-
%PDF-
Mini Shell
Mini Shell
"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 decode_1 = require("entities/lib/decode");
function isWhitespace(c) {
return (c === 32 /* Space */ ||
c === 10 /* NewLine */ ||
c === 9 /* Tab */ ||
c === 12 /* FormFeed */ ||
c === 13 /* CarriageReturn */);
}
function isEndOfTagSection(c) {
return c === 47 /* Slash */ || c === 62 /* Gt */ || isWhitespace(c);
}
function isNumber(c) {
return c >= 48 /* Zero */ && c <= 57 /* Nine */;
}
function isASCIIAlpha(c) {
return ((c >= 97 /* LowerA */ && c <= 122 /* LowerZ */) ||
(c >= 65 /* UpperA */ && c <= 90 /* UpperZ */));
}
/**
* Sequences used to match longer strings.
*
* We don't have `Script`, `Style`, or `Title` here. Instead, we re-use the *End
* sequences with an increased offset.
*/
var Sequences = {
Cdata: new Uint16Array([0x43, 0x44, 0x41, 0x54, 0x41, 0x5b]),
CdataEnd: new Uint16Array([0x5d, 0x5d, 0x3e]),
CommentEnd: new Uint16Array([0x2d, 0x2d, 0x3e]),
ScriptEnd: new Uint16Array([
0x3c, 0x2f, 0x73, 0x63, 0x72, 0x69, 0x70, 0x74,
]),
StyleEnd: new Uint16Array([0x3c, 0x2f, 0x73, 0x74, 0x79, 0x6c, 0x65]),
TitleEnd: new Uint16Array([0x3c, 0x2f, 0x74, 0x69, 0x74, 0x6c, 0x65]), // `</title`
};
var Tokenizer = /** @class */ (function () {
function Tokenizer(_a, cbs) {
var _b = _a.xmlMode, xmlMode = _b === void 0 ? false : _b, _c = _a.decodeEntities, decodeEntities = _c === void 0 ? true : _c;
this.cbs = 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.isSpecial = false;
/** 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.sequenceIndex = 0;
this.trieIndex = 0;
this.trieCurrent = 0;
this.trieResult = null;
this.entityExcess = 0;
this.xmlMode = xmlMode;
this.decodeEntities = decodeEntities;
this.entityTrie = xmlMode ? decode_1.xmlDecodeTree : decode_1.htmlDecodeTree;
}
Tokenizer.prototype.reset = function () {
this._state = 1 /* Text */;
this.buffer = "";
this.sectionStart = 0;
this._index = 0;
this.bufferOffset = 0;
this.baseState = 1 /* Text */;
this.currentSequence = undefined;
this.running = true;
this.ended = false;
};
Tokenizer.prototype.write = function (chunk) {
if (this.ended)
return this.cbs.onerror(Error(".write() after done!"));
this.buffer += chunk;
this.parse();
};
Tokenizer.prototype.end = function (chunk) {
if (this.ended)
return this.cbs.onerror(Error(".end() after done!"));
if (chunk)
this.write(chunk);
this.ended = true;
if (this.running)
this.finish();
};
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();
}
};
/**
* The start of the current section.
*/
Tokenizer.prototype.getAbsoluteSectionStart = function () {
return this.sectionStart + this.bufferOffset;
};
/**
* The current index within all of the written data.
*/
Tokenizer.prototype.getAbsoluteIndex = function () {
return this.bufferOffset + this._index;
};
Tokenizer.prototype.stateText = function (c) {
if (c === 60 /* Lt */ ||
(!this.decodeEntities && this.fastForwardTo(60 /* Lt */))) {
if (this._index > this.sectionStart) {
this.cbs.ontext(this.getSection());
}
this._state = 2 /* BeforeTagName */;
this.sectionStart = this._index;
}
else if (this.decodeEntities && c === 38 /* Amp */) {
this._state = 25 /* BeforeEntity */;
}
};
Tokenizer.prototype.stateSpecialStartSequence = function (c) {
var isEnd = this.sequenceIndex === this.currentSequence.length;
var isMatch = isEnd
? // If we are at the end of the sequence, make sure the tag name has ended
isEndOfTagSection(c)
: // Otherwise, do a case-insensitive comparison
(c | 0x20) === this.currentSequence[this.sequenceIndex];
if (!isMatch) {
this.isSpecial = false;
}
else if (!isEnd) {
this.sequenceIndex++;
return;
}
this.sequenceIndex = 0;
this._state = 3 /* InTagName */;
this.stateInTagName(c);
};
/** Look for an end tag. For <title> tags, also decode entities. */
Tokenizer.prototype.stateInSpecialTag = function (c) {
if (this.sequenceIndex === this.currentSequence.length) {
if (c === 62 /* Gt */ || isWhitespace(c)) {
var endOfText = this._index - this.currentSequence.length;
if (this.sectionStart < endOfText) {
// Spoof the index so that reported locations match up.
var actualIndex = this._index;
this._index = endOfText;
this.cbs.ontext(this.getSection());
this._index = actualIndex;
}
this.isSpecial = false;
this.sectionStart = endOfText + 2; // Skip over the `</`
this.stateInClosingTagName(c);
return; // We are done; skip the rest of the function.
}
this.sequenceIndex = 0;
}
if ((c | 0x20) === this.currentSequence[this.sequenceIndex]) {
this.sequenceIndex += 1;
}
else if (this.sequenceIndex === 0) {
if (this.currentSequence === Sequences.TitleEnd) {
// We have to parse entities in <title> tags.
if (this.decodeEntities && c === 38 /* Amp */) {
this._state = 25 /* BeforeEntity */;
}
}
else if (this.fastForwardTo(60 /* Lt */)) {
// Outside of <title> tags, we can fast-forward.
this.sequenceIndex = 1;
}
}
else {
// If we see a `<`, set the sequence index to 1; useful for eg. `<</script>`.
this.sequenceIndex = Number(c === 60 /* Lt */);
}
};
Tokenizer.prototype.stateCDATASequence = function (c) {
if (c === Sequences.Cdata[this.sequenceIndex]) {
if (++this.sequenceIndex === Sequences.Cdata.length) {
this._state = 21 /* InCommentLike */;
this.currentSequence = Sequences.CdataEnd;
this.sequenceIndex = 0;
this.sectionStart = this._index + 1;
}
}
else {
this.sequenceIndex = 0;
this._state = 16 /* InDeclaration */;
this.stateInDeclaration(c); // Reconsume the character
}
};
/**
* When we wait for one specific character, we can speed things up
* by skipping through the buffer until we find it.
*
* @returns Whether the character was found.
*/
Tokenizer.prototype.fastForwardTo = function (c) {
while (++this._index < this.buffer.length) {
if (this.buffer.charCodeAt(this._index) === c) {
return true;
}
}
/*
* We increment the index at the end of the `parse` loop,
* so set it to `buffer.length - 1` here.
*
* TODO: Refactor `parse` to increment index before calling states.
*/
this._index = this.buffer.length - 1;
return false;
};
/**
* Comments and CDATA end with `-->` and `]]>`.
*
* Their common qualities are:
* - Their end sequences have a distinct character they start with.
* - That character is then repeated, so we have to check multiple repeats.
* - All characters but the start character of the sequence can be skipped.
*/
Tokenizer.prototype.stateInCommentLike = function (c) {
if (c === this.currentSequence[this.sequenceIndex]) {
if (++this.sequenceIndex === this.currentSequence.length) {
// Remove 2 trailing chars
var section = this.buffer.slice(this.sectionStart, this._index - 2);
if (this.currentSequence === Sequences.CdataEnd) {
this.cbs.oncdata(section);
}
else {
this.cbs.oncomment(section);
}
this.sequenceIndex = 0;
this.sectionStart = this._index + 1;
this._state = 1 /* Text */;
}
}
else if (this.sequenceIndex === 0) {
// Fast-forward to the first character of the sequence
if (this.fastForwardTo(this.currentSequence[0])) {
this.sequenceIndex = 1;
}
}
else if (c !== this.currentSequence[this.sequenceIndex - 1]) {
// Allow long sequences, eg. --->, ]]]>
this.sequenceIndex = 0;
}
};
/**
* HTML only allows ASCII alpha characters (a-z and A-Z) at the beginning of a tag name.
*
* XML allows a lot more characters here (@see https://www.w3.org/TR/REC-xml/#NT-NameStartChar).
* We allow anything that wouldn't end the tag.
*/
Tokenizer.prototype.isTagStartChar = function (c) {
return this.xmlMode ? !isEndOfTagSection(c) : isASCIIAlpha(c);
};
Tokenizer.prototype.startSpecial = function (sequence, offset) {
this.isSpecial = true;
this.currentSequence = sequence;
this.sequenceIndex = offset;
this._state = 23 /* SpecialStartSequence */;
};
Tokenizer.prototype.stateBeforeTagName = function (c) {
if (c === 33 /* ExclamationMark */) {
this._state = 15 /* BeforeDeclaration */;
this.sectionStart = this._index + 1;
}
else if (c === 63 /* Questionmark */) {
this._state = 17 /* InProcessingInstruction */;
this.sectionStart = this._index + 1;
}
else if (this.isTagStartChar(c)) {
var lower = c | 0x20;
this.sectionStart = this._index;
if (!this.xmlMode && lower === Sequences.TitleEnd[2]) {
this.startSpecial(Sequences.TitleEnd, 3);
}
else {
this._state =
!this.xmlMode && lower === Sequences.ScriptEnd[2]
? 22 /* BeforeSpecialS */
: 3 /* InTagName */;
}
}
else if (c === 47 /* Slash */) {
this._state = 5 /* BeforeClosingTagName */;
}
else {
this._state = 1 /* Text */;
this.stateText(c);
}
};
Tokenizer.prototype.stateInTagName = function (c) {
if (isEndOfTagSection(c)) {
this.cbs.onopentagname(this.getSection());
this.sectionStart = -1;
this._state = 8 /* BeforeAttributeName */;
this.stateBeforeAttributeName(c);
}
};
Tokenizer.prototype.stateBeforeClosingTagName = function (c) {
if (isWhitespace(c)) {
// Ignore
}
else if (c === 62 /* Gt */) {
this._state = 1 /* Text */;
}
else {
this._state = this.isTagStartChar(c)
? 6 /* InClosingTagName */
: 20 /* InSpecialComment */;
this.sectionStart = this._index;
}
};
Tokenizer.prototype.stateInClosingTagName = function (c) {
if (c === 62 /* Gt */ || isWhitespace(c)) {
this.cbs.onclosetag(this.getSection());
this.sectionStart = -1;
this._state = 7 /* AfterClosingTagName */;
this.stateAfterClosingTagName(c);
}
};
Tokenizer.prototype.stateAfterClosingTagName = function (c) {
// Skip everything until ">"
if (c === 62 /* Gt */ || this.fastForwardTo(62 /* Gt */)) {
this._state = 1 /* Text */;
this.sectionStart = this._index + 1;
}
};
Tokenizer.prototype.stateBeforeAttributeName = function (c) {
if (c === 62 /* Gt */) {
this.cbs.onopentagend();
if (this.isSpecial) {
this._state = 24 /* InSpecialTag */;
this.sequenceIndex = 0;
}
else {
this._state = 1 /* Text */;
}
this.baseState = this._state;
this.sectionStart = this._index + 1;
}
else if (c === 47 /* Slash */) {
this._state = 4 /* InSelfClosingTag */;
}
else if (!isWhitespace(c)) {
this._state = 9 /* InAttributeName */;
this.sectionStart = this._index;
}
};
Tokenizer.prototype.stateInSelfClosingTag = function (c) {
if (c === 62 /* Gt */) {
this.cbs.onselfclosingtag();
this._state = 1 /* Text */;
this.baseState = 1 /* Text */;
this.sectionStart = this._index + 1;
this.isSpecial = false; // Reset special state, in case of self-closing special tags
}
else if (!isWhitespace(c)) {
this._state = 8 /* BeforeAttributeName */;
this.stateBeforeAttributeName(c);
}
};
Tokenizer.prototype.stateInAttributeName = function (c) {
if (c === 61 /* Eq */ || isEndOfTagSection(c)) {
this.cbs.onattribname(this.getSection());
this.sectionStart = -1;
this._state = 10 /* AfterAttributeName */;
this.stateAfterAttributeName(c);
}
};
Tokenizer.prototype.stateAfterAttributeName = function (c) {
if (c === 61 /* Eq */) {
this._state = 11 /* BeforeAttributeValue */;
}
else if (c === 47 /* Slash */ || c === 62 /* Gt */) {
this.cbs.onattribend(undefined);
this._state = 8 /* BeforeAttributeName */;
this.stateBeforeAttributeName(c);
}
else if (!isWhitespace(c)) {
this.cbs.onattribend(undefined);
this._state = 9 /* InAttributeName */;
this.sectionStart = this._index;
}
};
Tokenizer.prototype.stateBeforeAttributeValue = function (c) {
if (c === 34 /* DoubleQuote */) {
this._state = 12 /* InAttributeValueDq */;
this.sectionStart = this._index + 1;
}
else if (c === 39 /* SingleQuote */) {
this._state = 13 /* InAttributeValueSq */;
this.sectionStart = this._index + 1;
}
else if (!isWhitespace(c)) {
this.sectionStart = this._index;
this._state = 14 /* InAttributeValueNq */;
this.stateInAttributeValueNoQuotes(c); // Reconsume token
}
};
Tokenizer.prototype.handleInAttributeValue = function (c, quote) {
if (c === quote ||
(!this.decodeEntities && this.fastForwardTo(quote))) {
this.cbs.onattribdata(this.getSection());
this.sectionStart = -1;
this.cbs.onattribend(String.fromCharCode(quote));
this._state = 8 /* BeforeAttributeName */;
}
else if (this.decodeEntities && c === 38 /* Amp */) {
this.baseState = this._state;
this._state = 25 /* BeforeEntity */;
}
};
Tokenizer.prototype.stateInAttributeValueDoubleQuotes = function (c) {
this.handleInAttributeValue(c, 34 /* DoubleQuote */);
};
Tokenizer.prototype.stateInAttributeValueSingleQuotes = function (c) {
this.handleInAttributeValue(c, 39 /* SingleQuote */);
};
Tokenizer.prototype.stateInAttributeValueNoQuotes = function (c) {
if (isWhitespace(c) || c === 62 /* Gt */) {
this.cbs.onattribdata(this.getSection());
this.sectionStart = -1;
this.cbs.onattribend(null);
this._state = 8 /* BeforeAttributeName */;
this.stateBeforeAttributeName(c);
}
else if (this.decodeEntities && c === 38 /* Amp */) {
this.baseState = this._state;
this._state = 25 /* BeforeEntity */;
}
};
Tokenizer.prototype.stateBeforeDeclaration = function (c) {
if (c === 91 /* OpeningSquareBracket */) {
this._state = 19 /* CDATASequence */;
this.sequenceIndex = 0;
}
else {
this._state =
c === 45 /* Dash */
? 18 /* BeforeComment */
: 16 /* InDeclaration */;
}
};
Tokenizer.prototype.stateInDeclaration = function (c) {
if (c === 62 /* Gt */ || this.fastForwardTo(62 /* Gt */)) {
this.cbs.ondeclaration(this.getSection());
this._state = 1 /* Text */;
this.sectionStart = this._index + 1;
}
};
Tokenizer.prototype.stateInProcessingInstruction = function (c) {
if (c === 62 /* Gt */ || this.fastForwardTo(62 /* Gt */)) {
this.cbs.onprocessinginstruction(this.getSection());
this._state = 1 /* Text */;
this.sectionStart = this._index + 1;
}
};
Tokenizer.prototype.stateBeforeComment = function (c) {
if (c === 45 /* Dash */) {
this._state = 21 /* InCommentLike */;
this.currentSequence = Sequences.CommentEnd;
// Allow short comments (eg. <!-->)
this.sequenceIndex = 2;
this.sectionStart = this._index + 1;
}
else {
this._state = 16 /* InDeclaration */;
}
};
Tokenizer.prototype.stateInSpecialComment = function (c) {
if (c === 62 /* Gt */ || this.fastForwardTo(62 /* Gt */)) {
this.cbs.oncomment(this.getSection());
this._state = 1 /* Text */;
this.sectionStart = this._index + 1;
}
};
Tokenizer.prototype.stateBeforeSpecialS = function (c) {
var lower = c | 0x20;
if (lower === Sequences.ScriptEnd[3]) {
this.startSpecial(Sequences.ScriptEnd, 4);
}
else if (lower === Sequences.StyleEnd[3]) {
this.startSpecial(Sequences.StyleEnd, 4);
}
else {
this._state = 3 /* InTagName */;
this.stateInTagName(c); // Consume the token again
}
};
Tokenizer.prototype.stateBeforeEntity = function (c) {
// Start excess with 1 to include the '&'
this.entityExcess = 1;
if (c === 35 /* Num */) {
this._state = 26 /* BeforeNumericEntity */;
}
else if (c === 38 /* Amp */) {
// We have two `&` characters in a row. Stay in the current state.
}
else {
this.trieIndex = 0;
this.trieCurrent = this.entityTrie[0];
this.trieResult = null;
this._state = 27 /* InNamedEntity */;
this.stateInNamedEntity(c);
}
};
Tokenizer.prototype.stateInNamedEntity = function (c) {
this.entityExcess += 1;
this.trieIndex = (0, decode_1.determineBranch)(this.entityTrie, this.trieCurrent, this.trieIndex + 1, c);
if (this.trieIndex < 0) {
this.emitNamedEntity();
this._index--;
return;
}
this.trieCurrent = this.entityTrie[this.trieIndex];
// If the branch is a value, store it and continue
if (this.trieCurrent & decode_1.BinTrieFlags.HAS_VALUE) {
// If we have a legacy entity while parsing strictly, just skip the number of bytes
if (!this.allowLegacyEntity() && c !== 59 /* Semi */) {
// No need to consider multi-byte values, as the legacy entity is always a single byte
this.trieIndex += 1;
}
else {
// Add 1 as we have already incremented the excess
var entityStart = this._index - this.entityExcess + 1;
if (entityStart > this.sectionStart) {
this.emitPartial(this.buffer.substring(this.sectionStart, entityStart));
}
// If this is a surrogate pair, combine the higher bits from the node with the next byte
this.trieResult =
this.trieCurrent & decode_1.BinTrieFlags.MULTI_BYTE
? String.fromCharCode(this.entityTrie[++this.trieIndex], this.entityTrie[++this.trieIndex])
: String.fromCharCode(this.entityTrie[++this.trieIndex]);
this.entityExcess = 0;
this.sectionStart = this._index + 1;
}
}
};
Tokenizer.prototype.emitNamedEntity = function () {
if (this.trieResult) {
this.emitPartial(this.trieResult);
}
this._state = this.baseState;
};
Tokenizer.prototype.stateBeforeNumericEntity = function (c) {
if ((c | 0x20) === 120 /* LowerX */) {
this.entityExcess++;
this._state = 29 /* InHexEntity */;
}
else {
this._state = 28 /* InNumericEntity */;
this.stateInNumericEntity(c);
}
};
Tokenizer.prototype.decodeNumericEntity = function (base, strict) {
var entityStart = this._index - this.entityExcess - 1;
var numberStart = entityStart + 2 + (base >> 4);
if (numberStart !== this._index) {
// Emit leading data if any
if (entityStart > this.sectionStart) {
this.emitPartial(this.buffer.substring(this.sectionStart, entityStart));
}
// Parse entity
var entity = this.buffer.substring(numberStart, this._index);
var parsed = parseInt(entity, base);
this.emitPartial((0, decode_codepoint_1.default)(parsed));
this.sectionStart = this._index + Number(strict);
}
this._state = this.baseState;
};
Tokenizer.prototype.stateInNumericEntity = function (c) {
if (c === 59 /* Semi */) {
this.decodeNumericEntity(10, true);
}
else if (!isNumber(c)) {
if (this.allowLegacyEntity()) {
this.decodeNumericEntity(10, false);
}
else {
this._state = this.baseState;
}
this._index--;
}
else {
this.entityExcess++;
}
};
Tokenizer.prototype.stateInHexEntity = function (c) {
if (c === 59 /* Semi */) {
this.decodeNumericEntity(16, true);
}
else if ((c < 97 /* LowerA */ || c > 102 /* LowerF */) &&
(c < 65 /* UpperA */ || c > 70 /* UpperF */) &&
!isNumber(c)) {
if (this.allowLegacyEntity()) {
this.decodeNumericEntity(16, false);
}
else {
this._state = this.baseState;
}
this._index--;
}
else {
this.entityExcess++;
}
};
Tokenizer.prototype.allowLegacyEntity = function () {
return (!this.xmlMode &&
(this.baseState === 1 /* Text */ ||
this.baseState === 24 /* InSpecialTag */));
};
/**
* Remove data that has already been consumed from the buffer.
*/
Tokenizer.prototype.cleanup = function () {
// If we are inside of text, emit what we already have.
if (this.running &&
this.sectionStart !== this._index &&
(this._state === 1 /* Text */ ||
(this._state === 24 /* InSpecialTag */ &&
this.sequenceIndex === 0))) {
// TODO: We could emit attribute data here as well.
this.cbs.ontext(this.buffer.substr(this.sectionStart));
this.sectionStart = this._index;
}
var start = this.sectionStart < 0 ? this._index : this.sectionStart;
this.buffer =
start === this.buffer.length ? "" : this.buffer.substr(start);
this._index -= start;
this.bufferOffset += start;
if (this.sectionStart > 0) {
this.sectionStart = 0;
}
};
Tokenizer.prototype.shouldContinue = function () {
return this._index < this.buffer.length && this.running;
};
/**
* 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.shouldContinue()) {
var c = this.buffer.charCodeAt(this._index);
if (this._state === 1 /* Text */) {
this.stateText(c);
}
else if (this._state === 23 /* SpecialStartSequence */) {
this.stateSpecialStartSequence(c);
}
else if (this._state === 24 /* InSpecialTag */) {
this.stateInSpecialTag(c);
}
else if (this._state === 19 /* CDATASequence */) {
this.stateCDATASequence(c);
}
else if (this._state === 12 /* InAttributeValueDq */) {
this.stateInAttributeValueDoubleQuotes(c);
}
else if (this._state === 9 /* InAttributeName */) {
this.stateInAttributeName(c);
}
else if (this._state === 21 /* InCommentLike */) {
this.stateInCommentLike(c);
}
else if (this._state === 20 /* InSpecialComment */) {
this.stateInSpecialComment(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 === 22 /* BeforeSpecialS */) {
this.stateBeforeSpecialS(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 === 18 /* BeforeComment */) {
this.stateBeforeComment(c);
}
else if (this._state === 17 /* InProcessingInstruction */) {
this.stateInProcessingInstruction(c);
}
else if (this._state === 27 /* InNamedEntity */) {
this.stateInNamedEntity(c);
}
else if (this._state === 25 /* BeforeEntity */) {
this.stateBeforeEntity(c);
}
else if (this._state === 29 /* InHexEntity */) {
this.stateInHexEntity(c);
}
else if (this._state === 28 /* InNumericEntity */) {
this.stateInNumericEntity(c);
}
else {
// `this._state === State.BeforeNumericEntity`
this.stateBeforeNumericEntity(c);
}
this._index++;
}
this.cleanup();
};
Tokenizer.prototype.finish = function () {
if (this._state === 27 /* InNamedEntity */) {
this.emitNamedEntity();
}
// If there is remaining data, emit it in a reasonable way
if (this.sectionStart < this._index) {
this.handleTrailingData();
}
this.cbs.onend();
};
/** Handle any trailing data. */
Tokenizer.prototype.handleTrailingData = function () {
var data = this.buffer.substr(this.sectionStart);
if (this._state === 21 /* InCommentLike */) {
if (this.currentSequence === Sequences.CdataEnd) {
this.cbs.oncdata(data);
}
else {
this.cbs.oncomment(data);
}
}
else if (this._state === 28 /* InNumericEntity */ &&
this.allowLegacyEntity()) {
this.decodeNumericEntity(10, false);
// All trailing data will have been consumed
}
else if (this._state === 29 /* InHexEntity */ &&
this.allowLegacyEntity()) {
this.decodeNumericEntity(16, false);
// All trailing data will have been consumed
}
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 */) {
/*
* If we are currently in an opening or closing tag, us not calling the
* respective callback signals that the tag should be ignored.
*/
}
else {
this.cbs.ontext(data);
}
};
Tokenizer.prototype.getSection = function () {
return this.buffer.substring(this.sectionStart, this._index);
};
Tokenizer.prototype.emitPartial = function (value) {
if (this.baseState !== 1 /* Text */ &&
this.baseState !== 24 /* InSpecialTag */) {
this.cbs.onattribdata(value);
}
else {
this.cbs.ontext(value);
}
};
return Tokenizer;
}());
exports.default = Tokenizer;
Zerion Mini Shell 1.0