Initial commit: MangaReader iOS App
✨ Features: - App iOS completa para leer manga sin publicidad - Scraper con WKWebView para manhwaweb.com - Sistema de descargas offline - Lector con zoom y navegación - Favoritos y progreso de lectura - Compatible con iOS 15+ y Sideloadly/3uTools 📦 Contenido: - Backend Node.js con Puppeteer (opcional) - App iOS con SwiftUI - Scraper de capítulos e imágenes - Sistema de almacenamiento local - Testing completo - Documentación exhaustiva 🧪 Prueba: Capítulo 789 de One Piece descargado exitosamente - 21 páginas descargadas - 4.68 MB total - URLs verificadas y funcionales 🎉 Generated with Claude Code (https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
877
backend/node_modules/htmlparser2/src/Tokenizer.ts
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vendored
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877
backend/node_modules/htmlparser2/src/Tokenizer.ts
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@@ -0,0 +1,877 @@
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import {
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EntityDecoder,
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DecodingMode,
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htmlDecodeTree,
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xmlDecodeTree,
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} from "entities/decode";
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const enum CharCodes {
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Tab = 0x9, // "\t"
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NewLine = 0xa, // "\n"
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FormFeed = 0xc, // "\f"
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CarriageReturn = 0xd, // "\r"
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Space = 0x20, // " "
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ExclamationMark = 0x21, // "!"
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Number = 0x23, // "#"
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Amp = 0x26, // "&"
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SingleQuote = 0x27, // "'"
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DoubleQuote = 0x22, // '"'
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Dash = 0x2d, // "-"
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Slash = 0x2f, // "/"
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Zero = 0x30, // "0"
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Nine = 0x39, // "9"
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Semi = 0x3b, // ";"
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Lt = 0x3c, // "<"
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Eq = 0x3d, // "="
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Gt = 0x3e, // ">"
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Questionmark = 0x3f, // "?"
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UpperA = 0x41, // "A"
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LowerA = 0x61, // "a"
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UpperF = 0x46, // "F"
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LowerF = 0x66, // "f"
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UpperZ = 0x5a, // "Z"
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LowerZ = 0x7a, // "z"
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LowerX = 0x78, // "x"
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OpeningSquareBracket = 0x5b, // "["
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}
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/** All the states the tokenizer can be in. */
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const enum State {
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Text = 1,
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BeforeTagName, // After <
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InTagName,
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InSelfClosingTag,
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BeforeClosingTagName,
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InClosingTagName,
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AfterClosingTagName,
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// Attributes
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BeforeAttributeName,
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InAttributeName,
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AfterAttributeName,
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BeforeAttributeValue,
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InAttributeValueDq, // "
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InAttributeValueSq, // '
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InAttributeValueNq,
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// Declarations
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BeforeDeclaration, // !
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InDeclaration,
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// Processing instructions
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InProcessingInstruction, // ?
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// Comments & CDATA
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BeforeComment,
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CDATASequence,
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InSpecialComment,
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InCommentLike,
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// Special tags
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BeforeSpecialS, // Decide if we deal with `<script` or `<style`
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BeforeSpecialT, // Decide if we deal with `<title` or `<textarea`
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SpecialStartSequence,
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InSpecialTag,
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InEntity,
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}
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function isWhitespace(c: number): boolean {
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return (
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c === CharCodes.Space ||
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c === CharCodes.NewLine ||
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c === CharCodes.Tab ||
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c === CharCodes.FormFeed ||
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c === CharCodes.CarriageReturn
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);
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}
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function isEndOfTagSection(c: number): boolean {
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return c === CharCodes.Slash || c === CharCodes.Gt || isWhitespace(c);
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}
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function isASCIIAlpha(c: number): boolean {
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return (
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(c >= CharCodes.LowerA && c <= CharCodes.LowerZ) ||
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(c >= CharCodes.UpperA && c <= CharCodes.UpperZ)
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);
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}
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export enum QuoteType {
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NoValue = 0,
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Unquoted = 1,
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Single = 2,
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Double = 3,
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}
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export interface Callbacks {
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onattribdata(start: number, endIndex: number): void;
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onattribentity(codepoint: number): void;
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onattribend(quote: QuoteType, endIndex: number): void;
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onattribname(start: number, endIndex: number): void;
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oncdata(start: number, endIndex: number, endOffset: number): void;
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onclosetag(start: number, endIndex: number): void;
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oncomment(start: number, endIndex: number, endOffset: number): void;
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ondeclaration(start: number, endIndex: number): void;
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onend(): void;
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onopentagend(endIndex: number): void;
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onopentagname(start: number, endIndex: number): void;
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onprocessinginstruction(start: number, endIndex: number): void;
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onselfclosingtag(endIndex: number): void;
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ontext(start: number, endIndex: number): void;
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ontextentity(codepoint: number, endIndex: number): void;
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}
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/**
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* Sequences used to match longer strings.
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*
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* We don't have `Script`, `Style`, or `Title` here. Instead, we re-use the *End
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* sequences with an increased offset.
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*/
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const Sequences = {
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Cdata: new Uint8Array([0x43, 0x44, 0x41, 0x54, 0x41, 0x5b]), // CDATA[
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CdataEnd: new Uint8Array([0x5d, 0x5d, 0x3e]), // ]]>
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CommentEnd: new Uint8Array([0x2d, 0x2d, 0x3e]), // `-->`
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ScriptEnd: new Uint8Array([0x3c, 0x2f, 0x73, 0x63, 0x72, 0x69, 0x70, 0x74]), // `</script`
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StyleEnd: new Uint8Array([0x3c, 0x2f, 0x73, 0x74, 0x79, 0x6c, 0x65]), // `</style`
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TitleEnd: new Uint8Array([0x3c, 0x2f, 0x74, 0x69, 0x74, 0x6c, 0x65]), // `</title`
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TextareaEnd: new Uint8Array([
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0x3c, 0x2f, 0x74, 0x65, 0x78, 0x74, 0x61, 0x72, 0x65, 0x61,
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]), // `</textarea`
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XmpEnd: new Uint8Array([0x3c, 0x2f, 0x78, 0x6d, 0x70]), // `</xmp`
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};
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export default class Tokenizer {
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/** The current state the tokenizer is in. */
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private state = State.Text;
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/** The read buffer. */
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private buffer = "";
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/** The beginning of the section that is currently being read. */
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private sectionStart = 0;
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/** The index within the buffer that we are currently looking at. */
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private index = 0;
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/** The start of the last entity. */
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private entityStart = 0;
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/** Some behavior, eg. when decoding entities, is done while we are in another state. This keeps track of the other state type. */
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private baseState = State.Text;
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/** For special parsing behavior inside of script and style tags. */
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private isSpecial = false;
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/** Indicates whether the tokenizer has been paused. */
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public running = true;
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/** The offset of the current buffer. */
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private offset = 0;
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private readonly xmlMode: boolean;
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private readonly decodeEntities: boolean;
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private readonly entityDecoder: EntityDecoder;
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constructor(
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{
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xmlMode = false,
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decodeEntities = true,
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}: { xmlMode?: boolean; decodeEntities?: boolean },
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private readonly cbs: Callbacks,
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) {
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this.xmlMode = xmlMode;
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this.decodeEntities = decodeEntities;
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this.entityDecoder = new EntityDecoder(
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xmlMode ? xmlDecodeTree : htmlDecodeTree,
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(cp, consumed) => this.emitCodePoint(cp, consumed),
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);
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}
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public reset(): void {
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this.state = State.Text;
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this.buffer = "";
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this.sectionStart = 0;
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this.index = 0;
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this.baseState = State.Text;
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this.currentSequence = undefined!;
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this.running = true;
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this.offset = 0;
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}
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public write(chunk: string): void {
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this.offset += this.buffer.length;
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this.buffer = chunk;
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this.parse();
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}
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public end(): void {
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if (this.running) this.finish();
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}
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public pause(): void {
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this.running = false;
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}
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public resume(): void {
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this.running = true;
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if (this.index < this.buffer.length + this.offset) {
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this.parse();
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}
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}
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private stateText(c: number): void {
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if (
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c === CharCodes.Lt ||
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(!this.decodeEntities && this.fastForwardTo(CharCodes.Lt))
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) {
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if (this.index > this.sectionStart) {
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this.cbs.ontext(this.sectionStart, this.index);
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}
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this.state = State.BeforeTagName;
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this.sectionStart = this.index;
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} else if (this.decodeEntities && c === CharCodes.Amp) {
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this.startEntity();
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}
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}
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private currentSequence: Uint8Array = undefined!;
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private sequenceIndex = 0;
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private stateSpecialStartSequence(c: number): void {
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const isEnd = this.sequenceIndex === this.currentSequence.length;
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const isMatch = isEnd
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? // If we are at the end of the sequence, make sure the tag name has ended
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isEndOfTagSection(c)
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: // Otherwise, do a case-insensitive comparison
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(c | 0x20) === this.currentSequence[this.sequenceIndex];
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if (!isMatch) {
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this.isSpecial = false;
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} else if (!isEnd) {
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this.sequenceIndex++;
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return;
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}
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this.sequenceIndex = 0;
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this.state = State.InTagName;
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this.stateInTagName(c);
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}
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/** Look for an end tag. For <title> tags, also decode entities. */
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private stateInSpecialTag(c: number): void {
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if (this.sequenceIndex === this.currentSequence.length) {
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if (c === CharCodes.Gt || isWhitespace(c)) {
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const endOfText = this.index - this.currentSequence.length;
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if (this.sectionStart < endOfText) {
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// Spoof the index so that reported locations match up.
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const actualIndex = this.index;
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this.index = endOfText;
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this.cbs.ontext(this.sectionStart, endOfText);
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this.index = actualIndex;
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}
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this.isSpecial = false;
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this.sectionStart = endOfText + 2; // Skip over the `</`
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this.stateInClosingTagName(c);
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return; // We are done; skip the rest of the function.
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}
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this.sequenceIndex = 0;
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}
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if ((c | 0x20) === this.currentSequence[this.sequenceIndex]) {
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this.sequenceIndex += 1;
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} else if (this.sequenceIndex === 0) {
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if (this.currentSequence === Sequences.TitleEnd) {
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// We have to parse entities in <title> tags.
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if (this.decodeEntities && c === CharCodes.Amp) {
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this.startEntity();
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}
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} else if (this.fastForwardTo(CharCodes.Lt)) {
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// Outside of <title> tags, we can fast-forward.
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this.sequenceIndex = 1;
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}
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} else {
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// If we see a `<`, set the sequence index to 1; useful for eg. `<</script>`.
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this.sequenceIndex = Number(c === CharCodes.Lt);
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}
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}
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private stateCDATASequence(c: number): void {
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if (c === Sequences.Cdata[this.sequenceIndex]) {
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if (++this.sequenceIndex === Sequences.Cdata.length) {
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this.state = State.InCommentLike;
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this.currentSequence = Sequences.CdataEnd;
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this.sequenceIndex = 0;
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this.sectionStart = this.index + 1;
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}
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} else {
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this.sequenceIndex = 0;
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this.state = State.InDeclaration;
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this.stateInDeclaration(c); // Reconsume the character
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}
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}
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/**
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* When we wait for one specific character, we can speed things up
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* by skipping through the buffer until we find it.
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*
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* @returns Whether the character was found.
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*/
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private fastForwardTo(c: number): boolean {
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while (++this.index < this.buffer.length + this.offset) {
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if (this.buffer.charCodeAt(this.index - this.offset) === c) {
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return true;
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}
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}
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/*
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* We increment the index at the end of the `parse` loop,
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* so set it to `buffer.length - 1` here.
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*
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* TODO: Refactor `parse` to increment index before calling states.
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*/
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this.index = this.buffer.length + this.offset - 1;
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return false;
|
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}
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||||
|
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/**
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* Comments and CDATA end with `-->` and `]]>`.
|
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*
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* Their common qualities are:
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* - Their end sequences have a distinct character they start with.
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* - That character is then repeated, so we have to check multiple repeats.
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* - All characters but the start character of the sequence can be skipped.
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*/
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private stateInCommentLike(c: number): void {
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if (c === this.currentSequence[this.sequenceIndex]) {
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if (++this.sequenceIndex === this.currentSequence.length) {
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if (this.currentSequence === Sequences.CdataEnd) {
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this.cbs.oncdata(this.sectionStart, this.index, 2);
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||||
} else {
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this.cbs.oncomment(this.sectionStart, this.index, 2);
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}
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||||
|
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this.sequenceIndex = 0;
|
||||
this.sectionStart = this.index + 1;
|
||||
this.state = State.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.
|
||||
*/
|
||||
private isTagStartChar(c: number) {
|
||||
return this.xmlMode ? !isEndOfTagSection(c) : isASCIIAlpha(c);
|
||||
}
|
||||
|
||||
private startSpecial(sequence: Uint8Array, offset: number) {
|
||||
this.isSpecial = true;
|
||||
this.currentSequence = sequence;
|
||||
this.sequenceIndex = offset;
|
||||
this.state = State.SpecialStartSequence;
|
||||
}
|
||||
|
||||
private stateBeforeTagName(c: number): void {
|
||||
if (c === CharCodes.ExclamationMark) {
|
||||
this.state = State.BeforeDeclaration;
|
||||
this.sectionStart = this.index + 1;
|
||||
} else if (c === CharCodes.Questionmark) {
|
||||
this.state = State.InProcessingInstruction;
|
||||
this.sectionStart = this.index + 1;
|
||||
} else if (this.isTagStartChar(c)) {
|
||||
const lower = c | 0x20;
|
||||
this.sectionStart = this.index;
|
||||
if (this.xmlMode) {
|
||||
this.state = State.InTagName;
|
||||
} else if (lower === Sequences.ScriptEnd[2]) {
|
||||
this.state = State.BeforeSpecialS;
|
||||
} else if (
|
||||
lower === Sequences.TitleEnd[2] ||
|
||||
lower === Sequences.XmpEnd[2]
|
||||
) {
|
||||
this.state = State.BeforeSpecialT;
|
||||
} else {
|
||||
this.state = State.InTagName;
|
||||
}
|
||||
} else if (c === CharCodes.Slash) {
|
||||
this.state = State.BeforeClosingTagName;
|
||||
} else {
|
||||
this.state = State.Text;
|
||||
this.stateText(c);
|
||||
}
|
||||
}
|
||||
private stateInTagName(c: number): void {
|
||||
if (isEndOfTagSection(c)) {
|
||||
this.cbs.onopentagname(this.sectionStart, this.index);
|
||||
this.sectionStart = -1;
|
||||
this.state = State.BeforeAttributeName;
|
||||
this.stateBeforeAttributeName(c);
|
||||
}
|
||||
}
|
||||
private stateBeforeClosingTagName(c: number): void {
|
||||
if (isWhitespace(c)) {
|
||||
// Ignore
|
||||
} else if (c === CharCodes.Gt) {
|
||||
this.state = State.Text;
|
||||
} else {
|
||||
this.state = this.isTagStartChar(c)
|
||||
? State.InClosingTagName
|
||||
: State.InSpecialComment;
|
||||
this.sectionStart = this.index;
|
||||
}
|
||||
}
|
||||
private stateInClosingTagName(c: number): void {
|
||||
if (c === CharCodes.Gt || isWhitespace(c)) {
|
||||
this.cbs.onclosetag(this.sectionStart, this.index);
|
||||
this.sectionStart = -1;
|
||||
this.state = State.AfterClosingTagName;
|
||||
this.stateAfterClosingTagName(c);
|
||||
}
|
||||
}
|
||||
private stateAfterClosingTagName(c: number): void {
|
||||
// Skip everything until ">"
|
||||
if (c === CharCodes.Gt || this.fastForwardTo(CharCodes.Gt)) {
|
||||
this.state = State.Text;
|
||||
this.sectionStart = this.index + 1;
|
||||
}
|
||||
}
|
||||
private stateBeforeAttributeName(c: number): void {
|
||||
if (c === CharCodes.Gt) {
|
||||
this.cbs.onopentagend(this.index);
|
||||
if (this.isSpecial) {
|
||||
this.state = State.InSpecialTag;
|
||||
this.sequenceIndex = 0;
|
||||
} else {
|
||||
this.state = State.Text;
|
||||
}
|
||||
this.sectionStart = this.index + 1;
|
||||
} else if (c === CharCodes.Slash) {
|
||||
this.state = State.InSelfClosingTag;
|
||||
} else if (!isWhitespace(c)) {
|
||||
this.state = State.InAttributeName;
|
||||
this.sectionStart = this.index;
|
||||
}
|
||||
}
|
||||
private stateInSelfClosingTag(c: number): void {
|
||||
if (c === CharCodes.Gt) {
|
||||
this.cbs.onselfclosingtag(this.index);
|
||||
this.state = State.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 = State.BeforeAttributeName;
|
||||
this.stateBeforeAttributeName(c);
|
||||
}
|
||||
}
|
||||
private stateInAttributeName(c: number): void {
|
||||
if (c === CharCodes.Eq || isEndOfTagSection(c)) {
|
||||
this.cbs.onattribname(this.sectionStart, this.index);
|
||||
this.sectionStart = this.index;
|
||||
this.state = State.AfterAttributeName;
|
||||
this.stateAfterAttributeName(c);
|
||||
}
|
||||
}
|
||||
private stateAfterAttributeName(c: number): void {
|
||||
if (c === CharCodes.Eq) {
|
||||
this.state = State.BeforeAttributeValue;
|
||||
} else if (c === CharCodes.Slash || c === CharCodes.Gt) {
|
||||
this.cbs.onattribend(QuoteType.NoValue, this.sectionStart);
|
||||
this.sectionStart = -1;
|
||||
this.state = State.BeforeAttributeName;
|
||||
this.stateBeforeAttributeName(c);
|
||||
} else if (!isWhitespace(c)) {
|
||||
this.cbs.onattribend(QuoteType.NoValue, this.sectionStart);
|
||||
this.state = State.InAttributeName;
|
||||
this.sectionStart = this.index;
|
||||
}
|
||||
}
|
||||
private stateBeforeAttributeValue(c: number): void {
|
||||
if (c === CharCodes.DoubleQuote) {
|
||||
this.state = State.InAttributeValueDq;
|
||||
this.sectionStart = this.index + 1;
|
||||
} else if (c === CharCodes.SingleQuote) {
|
||||
this.state = State.InAttributeValueSq;
|
||||
this.sectionStart = this.index + 1;
|
||||
} else if (!isWhitespace(c)) {
|
||||
this.sectionStart = this.index;
|
||||
this.state = State.InAttributeValueNq;
|
||||
this.stateInAttributeValueNoQuotes(c); // Reconsume token
|
||||
}
|
||||
}
|
||||
private handleInAttributeValue(c: number, quote: number) {
|
||||
if (
|
||||
c === quote ||
|
||||
(!this.decodeEntities && this.fastForwardTo(quote))
|
||||
) {
|
||||
this.cbs.onattribdata(this.sectionStart, this.index);
|
||||
this.sectionStart = -1;
|
||||
this.cbs.onattribend(
|
||||
quote === CharCodes.DoubleQuote
|
||||
? QuoteType.Double
|
||||
: QuoteType.Single,
|
||||
this.index + 1,
|
||||
);
|
||||
this.state = State.BeforeAttributeName;
|
||||
} else if (this.decodeEntities && c === CharCodes.Amp) {
|
||||
this.startEntity();
|
||||
}
|
||||
}
|
||||
private stateInAttributeValueDoubleQuotes(c: number): void {
|
||||
this.handleInAttributeValue(c, CharCodes.DoubleQuote);
|
||||
}
|
||||
private stateInAttributeValueSingleQuotes(c: number): void {
|
||||
this.handleInAttributeValue(c, CharCodes.SingleQuote);
|
||||
}
|
||||
private stateInAttributeValueNoQuotes(c: number): void {
|
||||
if (isWhitespace(c) || c === CharCodes.Gt) {
|
||||
this.cbs.onattribdata(this.sectionStart, this.index);
|
||||
this.sectionStart = -1;
|
||||
this.cbs.onattribend(QuoteType.Unquoted, this.index);
|
||||
this.state = State.BeforeAttributeName;
|
||||
this.stateBeforeAttributeName(c);
|
||||
} else if (this.decodeEntities && c === CharCodes.Amp) {
|
||||
this.startEntity();
|
||||
}
|
||||
}
|
||||
private stateBeforeDeclaration(c: number): void {
|
||||
if (c === CharCodes.OpeningSquareBracket) {
|
||||
this.state = State.CDATASequence;
|
||||
this.sequenceIndex = 0;
|
||||
} else {
|
||||
this.state =
|
||||
c === CharCodes.Dash
|
||||
? State.BeforeComment
|
||||
: State.InDeclaration;
|
||||
}
|
||||
}
|
||||
private stateInDeclaration(c: number): void {
|
||||
if (c === CharCodes.Gt || this.fastForwardTo(CharCodes.Gt)) {
|
||||
this.cbs.ondeclaration(this.sectionStart, this.index);
|
||||
this.state = State.Text;
|
||||
this.sectionStart = this.index + 1;
|
||||
}
|
||||
}
|
||||
private stateInProcessingInstruction(c: number): void {
|
||||
if (c === CharCodes.Gt || this.fastForwardTo(CharCodes.Gt)) {
|
||||
this.cbs.onprocessinginstruction(this.sectionStart, this.index);
|
||||
this.state = State.Text;
|
||||
this.sectionStart = this.index + 1;
|
||||
}
|
||||
}
|
||||
private stateBeforeComment(c: number): void {
|
||||
if (c === CharCodes.Dash) {
|
||||
this.state = State.InCommentLike;
|
||||
this.currentSequence = Sequences.CommentEnd;
|
||||
// Allow short comments (eg. <!-->)
|
||||
this.sequenceIndex = 2;
|
||||
this.sectionStart = this.index + 1;
|
||||
} else {
|
||||
this.state = State.InDeclaration;
|
||||
}
|
||||
}
|
||||
private stateInSpecialComment(c: number): void {
|
||||
if (c === CharCodes.Gt || this.fastForwardTo(CharCodes.Gt)) {
|
||||
this.cbs.oncomment(this.sectionStart, this.index, 0);
|
||||
this.state = State.Text;
|
||||
this.sectionStart = this.index + 1;
|
||||
}
|
||||
}
|
||||
private stateBeforeSpecialS(c: number): void {
|
||||
const 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 = State.InTagName;
|
||||
this.stateInTagName(c); // Consume the token again
|
||||
}
|
||||
}
|
||||
|
||||
private stateBeforeSpecialT(c: number): void {
|
||||
const lower = c | 0x20;
|
||||
switch (lower) {
|
||||
case Sequences.TitleEnd[3]: {
|
||||
this.startSpecial(Sequences.TitleEnd, 4);
|
||||
|
||||
break;
|
||||
}
|
||||
case Sequences.TextareaEnd[3]: {
|
||||
this.startSpecial(Sequences.TextareaEnd, 4);
|
||||
|
||||
break;
|
||||
}
|
||||
case Sequences.XmpEnd[3]: {
|
||||
this.startSpecial(Sequences.XmpEnd, 4);
|
||||
|
||||
break;
|
||||
}
|
||||
default: {
|
||||
this.state = State.InTagName;
|
||||
this.stateInTagName(c); // Consume the token again
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private startEntity() {
|
||||
this.baseState = this.state;
|
||||
this.state = State.InEntity;
|
||||
this.entityStart = this.index;
|
||||
this.entityDecoder.startEntity(
|
||||
this.xmlMode
|
||||
? DecodingMode.Strict
|
||||
: this.baseState === State.Text ||
|
||||
this.baseState === State.InSpecialTag
|
||||
? DecodingMode.Legacy
|
||||
: DecodingMode.Attribute,
|
||||
);
|
||||
}
|
||||
|
||||
private stateInEntity(): void {
|
||||
const indexInBuffer = this.index - this.offset;
|
||||
const length = this.entityDecoder.write(this.buffer, indexInBuffer);
|
||||
|
||||
// If `length` is positive, we are done with the entity.
|
||||
if (length >= 0) {
|
||||
this.state = this.baseState;
|
||||
|
||||
if (length === 0) {
|
||||
this.index -= 1;
|
||||
}
|
||||
} else {
|
||||
if (
|
||||
indexInBuffer < this.buffer.length &&
|
||||
this.buffer.charCodeAt(indexInBuffer) === CharCodes.Amp
|
||||
) {
|
||||
this.state = this.baseState;
|
||||
this.index -= 1;
|
||||
return;
|
||||
}
|
||||
|
||||
// Mark buffer as consumed.
|
||||
this.index = this.offset + this.buffer.length - 1;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Remove data that has already been consumed from the buffer.
|
||||
*/
|
||||
private cleanup() {
|
||||
// If we are inside of text or attributes, emit what we already have.
|
||||
if (this.running && this.sectionStart !== this.index) {
|
||||
if (
|
||||
this.state === State.Text ||
|
||||
(this.state === State.InSpecialTag && this.sequenceIndex === 0)
|
||||
) {
|
||||
this.cbs.ontext(this.sectionStart, this.index);
|
||||
this.sectionStart = this.index;
|
||||
} else if (
|
||||
this.state === State.InAttributeValueDq ||
|
||||
this.state === State.InAttributeValueSq ||
|
||||
this.state === State.InAttributeValueNq
|
||||
) {
|
||||
this.cbs.onattribdata(this.sectionStart, this.index);
|
||||
this.sectionStart = this.index;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private shouldContinue() {
|
||||
return this.index < this.buffer.length + this.offset && 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.
|
||||
*/
|
||||
private parse() {
|
||||
while (this.shouldContinue()) {
|
||||
const c = this.buffer.charCodeAt(this.index - this.offset);
|
||||
switch (this.state) {
|
||||
case State.Text: {
|
||||
this.stateText(c);
|
||||
break;
|
||||
}
|
||||
case State.SpecialStartSequence: {
|
||||
this.stateSpecialStartSequence(c);
|
||||
break;
|
||||
}
|
||||
case State.InSpecialTag: {
|
||||
this.stateInSpecialTag(c);
|
||||
break;
|
||||
}
|
||||
case State.CDATASequence: {
|
||||
this.stateCDATASequence(c);
|
||||
break;
|
||||
}
|
||||
case State.InAttributeValueDq: {
|
||||
this.stateInAttributeValueDoubleQuotes(c);
|
||||
break;
|
||||
}
|
||||
case State.InAttributeName: {
|
||||
this.stateInAttributeName(c);
|
||||
break;
|
||||
}
|
||||
case State.InCommentLike: {
|
||||
this.stateInCommentLike(c);
|
||||
break;
|
||||
}
|
||||
case State.InSpecialComment: {
|
||||
this.stateInSpecialComment(c);
|
||||
break;
|
||||
}
|
||||
case State.BeforeAttributeName: {
|
||||
this.stateBeforeAttributeName(c);
|
||||
break;
|
||||
}
|
||||
case State.InTagName: {
|
||||
this.stateInTagName(c);
|
||||
break;
|
||||
}
|
||||
case State.InClosingTagName: {
|
||||
this.stateInClosingTagName(c);
|
||||
break;
|
||||
}
|
||||
case State.BeforeTagName: {
|
||||
this.stateBeforeTagName(c);
|
||||
break;
|
||||
}
|
||||
case State.AfterAttributeName: {
|
||||
this.stateAfterAttributeName(c);
|
||||
break;
|
||||
}
|
||||
case State.InAttributeValueSq: {
|
||||
this.stateInAttributeValueSingleQuotes(c);
|
||||
break;
|
||||
}
|
||||
case State.BeforeAttributeValue: {
|
||||
this.stateBeforeAttributeValue(c);
|
||||
break;
|
||||
}
|
||||
case State.BeforeClosingTagName: {
|
||||
this.stateBeforeClosingTagName(c);
|
||||
break;
|
||||
}
|
||||
case State.AfterClosingTagName: {
|
||||
this.stateAfterClosingTagName(c);
|
||||
break;
|
||||
}
|
||||
case State.BeforeSpecialS: {
|
||||
this.stateBeforeSpecialS(c);
|
||||
break;
|
||||
}
|
||||
case State.BeforeSpecialT: {
|
||||
this.stateBeforeSpecialT(c);
|
||||
break;
|
||||
}
|
||||
case State.InAttributeValueNq: {
|
||||
this.stateInAttributeValueNoQuotes(c);
|
||||
break;
|
||||
}
|
||||
case State.InSelfClosingTag: {
|
||||
this.stateInSelfClosingTag(c);
|
||||
break;
|
||||
}
|
||||
case State.InDeclaration: {
|
||||
this.stateInDeclaration(c);
|
||||
break;
|
||||
}
|
||||
case State.BeforeDeclaration: {
|
||||
this.stateBeforeDeclaration(c);
|
||||
break;
|
||||
}
|
||||
case State.BeforeComment: {
|
||||
this.stateBeforeComment(c);
|
||||
break;
|
||||
}
|
||||
case State.InProcessingInstruction: {
|
||||
this.stateInProcessingInstruction(c);
|
||||
break;
|
||||
}
|
||||
case State.InEntity: {
|
||||
this.stateInEntity();
|
||||
break;
|
||||
}
|
||||
}
|
||||
this.index++;
|
||||
}
|
||||
this.cleanup();
|
||||
}
|
||||
|
||||
private finish() {
|
||||
if (this.state === State.InEntity) {
|
||||
this.entityDecoder.end();
|
||||
this.state = this.baseState;
|
||||
}
|
||||
|
||||
this.handleTrailingData();
|
||||
|
||||
this.cbs.onend();
|
||||
}
|
||||
|
||||
/** Handle any trailing data. */
|
||||
private handleTrailingData() {
|
||||
const endIndex = this.buffer.length + this.offset;
|
||||
|
||||
// If there is no remaining data, we are done.
|
||||
if (this.sectionStart >= endIndex) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (this.state === State.InCommentLike) {
|
||||
if (this.currentSequence === Sequences.CdataEnd) {
|
||||
this.cbs.oncdata(this.sectionStart, endIndex, 0);
|
||||
} else {
|
||||
this.cbs.oncomment(this.sectionStart, endIndex, 0);
|
||||
}
|
||||
} else if (
|
||||
this.state === State.InTagName ||
|
||||
this.state === State.BeforeAttributeName ||
|
||||
this.state === State.BeforeAttributeValue ||
|
||||
this.state === State.AfterAttributeName ||
|
||||
this.state === State.InAttributeName ||
|
||||
this.state === State.InAttributeValueSq ||
|
||||
this.state === State.InAttributeValueDq ||
|
||||
this.state === State.InAttributeValueNq ||
|
||||
this.state === State.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(this.sectionStart, endIndex);
|
||||
}
|
||||
}
|
||||
|
||||
private emitCodePoint(cp: number, consumed: number): void {
|
||||
if (
|
||||
this.baseState !== State.Text &&
|
||||
this.baseState !== State.InSpecialTag
|
||||
) {
|
||||
if (this.sectionStart < this.entityStart) {
|
||||
this.cbs.onattribdata(this.sectionStart, this.entityStart);
|
||||
}
|
||||
this.sectionStart = this.entityStart + consumed;
|
||||
this.index = this.sectionStart - 1;
|
||||
|
||||
this.cbs.onattribentity(cp);
|
||||
} else {
|
||||
if (this.sectionStart < this.entityStart) {
|
||||
this.cbs.ontext(this.sectionStart, this.entityStart);
|
||||
}
|
||||
this.sectionStart = this.entityStart + consumed;
|
||||
this.index = this.sectionStart - 1;
|
||||
|
||||
this.cbs.ontextentity(cp, this.sectionStart);
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user