714 lines
13 KiB
JavaScript
714 lines
13 KiB
JavaScript
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/**
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* @typedef {import('micromark-util-types').Code} Code
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* @typedef {import('micromark-util-types').Construct} Construct
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* @typedef {import('micromark-util-types').State} State
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* @typedef {import('micromark-util-types').TokenizeContext} TokenizeContext
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* @typedef {import('micromark-util-types').Tokenizer} Tokenizer
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*/
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import {factorySpace} from 'micromark-factory-space'
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import {
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asciiAlpha,
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asciiAlphanumeric,
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markdownLineEnding,
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markdownLineEndingOrSpace,
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markdownSpace
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} from 'micromark-util-character'
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/** @type {Construct} */
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export const htmlText = {
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name: 'htmlText',
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tokenize: tokenizeHtmlText
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}
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/**
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* @this {TokenizeContext}
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* @type {Tokenizer}
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*/
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function tokenizeHtmlText(effects, ok, nok) {
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const self = this
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/** @type {NonNullable<Code> | undefined} */
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let marker
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/** @type {number} */
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let index
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/** @type {State} */
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let returnState
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return start
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/**
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* Start of HTML (text).
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*
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* ```markdown
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* > | a <b> c
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* ^
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* ```
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*
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* @type {State}
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*/
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function start(code) {
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effects.enter('htmlText')
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effects.enter('htmlTextData')
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effects.consume(code)
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return open
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}
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/**
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* After `<`, at tag name or other stuff.
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*
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* ```markdown
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* > | a <b> c
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* ^
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* > | a <!doctype> c
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* ^
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* > | a <!--b--> c
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* ^
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* ```
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*
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* @type {State}
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*/
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function open(code) {
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if (code === 33) {
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effects.consume(code)
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return declarationOpen
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}
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if (code === 47) {
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effects.consume(code)
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return tagCloseStart
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}
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if (code === 63) {
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effects.consume(code)
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return instruction
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}
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// ASCII alphabetical.
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if (asciiAlpha(code)) {
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effects.consume(code)
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return tagOpen
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}
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return nok(code)
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}
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/**
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* After `<!`, at declaration, comment, or CDATA.
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*
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* ```markdown
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* > | a <!doctype> c
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* ^
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* > | a <!--b--> c
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* ^
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* > | a <![CDATA[>&<]]> c
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* ^
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* ```
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*
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* @type {State}
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*/
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function declarationOpen(code) {
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if (code === 45) {
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effects.consume(code)
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return commentOpenInside
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}
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if (code === 91) {
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effects.consume(code)
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index = 0
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return cdataOpenInside
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}
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if (asciiAlpha(code)) {
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effects.consume(code)
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return declaration
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}
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return nok(code)
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}
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/**
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* In a comment, after `<!-`, at another `-`.
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*
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* ```markdown
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* > | a <!--b--> c
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* ^
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* ```
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*
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* @type {State}
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*/
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function commentOpenInside(code) {
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if (code === 45) {
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effects.consume(code)
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return commentEnd
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}
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return nok(code)
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}
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/**
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* In comment.
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*
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* ```markdown
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* > | a <!--b--> c
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* ^
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* ```
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*
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* @type {State}
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*/
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function comment(code) {
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if (code === null) {
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return nok(code)
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}
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if (code === 45) {
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effects.consume(code)
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return commentClose
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}
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if (markdownLineEnding(code)) {
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returnState = comment
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return lineEndingBefore(code)
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}
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effects.consume(code)
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return comment
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}
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/**
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* In comment, after `-`.
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*
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* ```markdown
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* > | a <!--b--> c
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* ^
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* ```
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*
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* @type {State}
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*/
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function commentClose(code) {
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if (code === 45) {
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effects.consume(code)
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return commentEnd
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}
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return comment(code)
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}
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/**
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* In comment, after `--`.
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*
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* ```markdown
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* > | a <!--b--> c
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* ^
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* ```
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*
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* @type {State}
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*/
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function commentEnd(code) {
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return code === 62
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? end(code)
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: code === 45
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? commentClose(code)
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: comment(code)
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}
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/**
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* After `<![`, in CDATA, expecting `CDATA[`.
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*
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* ```markdown
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* > | a <![CDATA[>&<]]> b
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* ^^^^^^
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* ```
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*
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* @type {State}
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*/
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function cdataOpenInside(code) {
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const value = 'CDATA['
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if (code === value.charCodeAt(index++)) {
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effects.consume(code)
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return index === value.length ? cdata : cdataOpenInside
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}
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return nok(code)
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}
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/**
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* In CDATA.
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*
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* ```markdown
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* > | a <![CDATA[>&<]]> b
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* ^^^
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* ```
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*
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* @type {State}
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*/
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function cdata(code) {
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if (code === null) {
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return nok(code)
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}
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if (code === 93) {
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effects.consume(code)
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return cdataClose
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}
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if (markdownLineEnding(code)) {
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returnState = cdata
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return lineEndingBefore(code)
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}
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effects.consume(code)
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return cdata
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}
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/**
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* In CDATA, after `]`, at another `]`.
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*
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* ```markdown
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* > | a <![CDATA[>&<]]> b
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* ^
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* ```
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*
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* @type {State}
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*/
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function cdataClose(code) {
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if (code === 93) {
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effects.consume(code)
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return cdataEnd
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}
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return cdata(code)
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}
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/**
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* In CDATA, after `]]`, at `>`.
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*
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* ```markdown
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* > | a <![CDATA[>&<]]> b
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* ^
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* ```
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*
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* @type {State}
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*/
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function cdataEnd(code) {
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if (code === 62) {
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return end(code)
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}
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if (code === 93) {
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effects.consume(code)
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return cdataEnd
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}
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return cdata(code)
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}
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/**
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* In declaration.
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*
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* ```markdown
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* > | a <!b> c
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* ^
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* ```
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*
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* @type {State}
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*/
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function declaration(code) {
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if (code === null || code === 62) {
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return end(code)
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}
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if (markdownLineEnding(code)) {
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returnState = declaration
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return lineEndingBefore(code)
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}
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effects.consume(code)
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return declaration
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}
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/**
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* In instruction.
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*
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* ```markdown
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* > | a <?b?> c
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* ^
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* ```
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*
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* @type {State}
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*/
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function instruction(code) {
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if (code === null) {
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return nok(code)
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}
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if (code === 63) {
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effects.consume(code)
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return instructionClose
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}
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if (markdownLineEnding(code)) {
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returnState = instruction
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return lineEndingBefore(code)
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}
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effects.consume(code)
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return instruction
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}
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/**
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* In instruction, after `?`, at `>`.
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*
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* ```markdown
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* > | a <?b?> c
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* ^
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* ```
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*
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* @type {State}
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*/
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function instructionClose(code) {
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return code === 62 ? end(code) : instruction(code)
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}
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/**
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* After `</`, in closing tag, at tag name.
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*
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* ```markdown
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* > | a </b> c
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* ^
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* ```
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*
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* @type {State}
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*/
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function tagCloseStart(code) {
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// ASCII alphabetical.
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if (asciiAlpha(code)) {
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effects.consume(code)
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return tagClose
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}
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return nok(code)
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}
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/**
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* After `</x`, in a tag name.
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*
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* ```markdown
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|||
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* > | a </b> c
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* ^
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* ```
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*
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* @type {State}
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*/
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function tagClose(code) {
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// ASCII alphanumerical and `-`.
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if (code === 45 || asciiAlphanumeric(code)) {
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effects.consume(code)
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return tagClose
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}
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return tagCloseBetween(code)
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}
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/**
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* In closing tag, after tag name.
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*
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* ```markdown
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|||
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* > | a </b> c
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* ^
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|||
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* ```
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|||
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*
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* @type {State}
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*/
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function tagCloseBetween(code) {
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if (markdownLineEnding(code)) {
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returnState = tagCloseBetween
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return lineEndingBefore(code)
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}
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if (markdownSpace(code)) {
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effects.consume(code)
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return tagCloseBetween
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}
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return end(code)
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}
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/**
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|||
|
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* After `<x`, in opening tag name.
|
|||
|
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*
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|||
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* ```markdown
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|||
|
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* > | a <b> c
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|||
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* ^
|
|||
|
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* ```
|
|||
|
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*
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|||
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* @type {State}
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|||
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*/
|
|||
|
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function tagOpen(code) {
|
|||
|
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// ASCII alphanumerical and `-`.
|
|||
|
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if (code === 45 || asciiAlphanumeric(code)) {
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effects.consume(code)
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|||
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return tagOpen
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|||
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}
|
|||
|
|
if (code === 47 || code === 62 || markdownLineEndingOrSpace(code)) {
|
|||
|
|
return tagOpenBetween(code)
|
|||
|
|
}
|
|||
|
|
return nok(code)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* In opening tag, after tag name.
|
|||
|
|
*
|
|||
|
|
* ```markdown
|
|||
|
|
* > | a <b> c
|
|||
|
|
* ^
|
|||
|
|
* ```
|
|||
|
|
*
|
|||
|
|
* @type {State}
|
|||
|
|
*/
|
|||
|
|
function tagOpenBetween(code) {
|
|||
|
|
if (code === 47) {
|
|||
|
|
effects.consume(code)
|
|||
|
|
return end
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// ASCII alphabetical and `:` and `_`.
|
|||
|
|
if (code === 58 || code === 95 || asciiAlpha(code)) {
|
|||
|
|
effects.consume(code)
|
|||
|
|
return tagOpenAttributeName
|
|||
|
|
}
|
|||
|
|
if (markdownLineEnding(code)) {
|
|||
|
|
returnState = tagOpenBetween
|
|||
|
|
return lineEndingBefore(code)
|
|||
|
|
}
|
|||
|
|
if (markdownSpace(code)) {
|
|||
|
|
effects.consume(code)
|
|||
|
|
return tagOpenBetween
|
|||
|
|
}
|
|||
|
|
return end(code)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* In attribute name.
|
|||
|
|
*
|
|||
|
|
* ```markdown
|
|||
|
|
* > | a <b c> d
|
|||
|
|
* ^
|
|||
|
|
* ```
|
|||
|
|
*
|
|||
|
|
* @type {State}
|
|||
|
|
*/
|
|||
|
|
function tagOpenAttributeName(code) {
|
|||
|
|
// ASCII alphabetical and `-`, `.`, `:`, and `_`.
|
|||
|
|
if (
|
|||
|
|
code === 45 ||
|
|||
|
|
code === 46 ||
|
|||
|
|
code === 58 ||
|
|||
|
|
code === 95 ||
|
|||
|
|
asciiAlphanumeric(code)
|
|||
|
|
) {
|
|||
|
|
effects.consume(code)
|
|||
|
|
return tagOpenAttributeName
|
|||
|
|
}
|
|||
|
|
return tagOpenAttributeNameAfter(code)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* After attribute name, before initializer, the end of the tag, or
|
|||
|
|
* whitespace.
|
|||
|
|
*
|
|||
|
|
* ```markdown
|
|||
|
|
* > | a <b c> d
|
|||
|
|
* ^
|
|||
|
|
* ```
|
|||
|
|
*
|
|||
|
|
* @type {State}
|
|||
|
|
*/
|
|||
|
|
function tagOpenAttributeNameAfter(code) {
|
|||
|
|
if (code === 61) {
|
|||
|
|
effects.consume(code)
|
|||
|
|
return tagOpenAttributeValueBefore
|
|||
|
|
}
|
|||
|
|
if (markdownLineEnding(code)) {
|
|||
|
|
returnState = tagOpenAttributeNameAfter
|
|||
|
|
return lineEndingBefore(code)
|
|||
|
|
}
|
|||
|
|
if (markdownSpace(code)) {
|
|||
|
|
effects.consume(code)
|
|||
|
|
return tagOpenAttributeNameAfter
|
|||
|
|
}
|
|||
|
|
return tagOpenBetween(code)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Before unquoted, double quoted, or single quoted attribute value, allowing
|
|||
|
|
* whitespace.
|
|||
|
|
*
|
|||
|
|
* ```markdown
|
|||
|
|
* > | a <b c=d> e
|
|||
|
|
* ^
|
|||
|
|
* ```
|
|||
|
|
*
|
|||
|
|
* @type {State}
|
|||
|
|
*/
|
|||
|
|
function tagOpenAttributeValueBefore(code) {
|
|||
|
|
if (
|
|||
|
|
code === null ||
|
|||
|
|
code === 60 ||
|
|||
|
|
code === 61 ||
|
|||
|
|
code === 62 ||
|
|||
|
|
code === 96
|
|||
|
|
) {
|
|||
|
|
return nok(code)
|
|||
|
|
}
|
|||
|
|
if (code === 34 || code === 39) {
|
|||
|
|
effects.consume(code)
|
|||
|
|
marker = code
|
|||
|
|
return tagOpenAttributeValueQuoted
|
|||
|
|
}
|
|||
|
|
if (markdownLineEnding(code)) {
|
|||
|
|
returnState = tagOpenAttributeValueBefore
|
|||
|
|
return lineEndingBefore(code)
|
|||
|
|
}
|
|||
|
|
if (markdownSpace(code)) {
|
|||
|
|
effects.consume(code)
|
|||
|
|
return tagOpenAttributeValueBefore
|
|||
|
|
}
|
|||
|
|
effects.consume(code)
|
|||
|
|
return tagOpenAttributeValueUnquoted
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* In double or single quoted attribute value.
|
|||
|
|
*
|
|||
|
|
* ```markdown
|
|||
|
|
* > | a <b c="d"> e
|
|||
|
|
* ^
|
|||
|
|
* ```
|
|||
|
|
*
|
|||
|
|
* @type {State}
|
|||
|
|
*/
|
|||
|
|
function tagOpenAttributeValueQuoted(code) {
|
|||
|
|
if (code === marker) {
|
|||
|
|
effects.consume(code)
|
|||
|
|
marker = undefined
|
|||
|
|
return tagOpenAttributeValueQuotedAfter
|
|||
|
|
}
|
|||
|
|
if (code === null) {
|
|||
|
|
return nok(code)
|
|||
|
|
}
|
|||
|
|
if (markdownLineEnding(code)) {
|
|||
|
|
returnState = tagOpenAttributeValueQuoted
|
|||
|
|
return lineEndingBefore(code)
|
|||
|
|
}
|
|||
|
|
effects.consume(code)
|
|||
|
|
return tagOpenAttributeValueQuoted
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* In unquoted attribute value.
|
|||
|
|
*
|
|||
|
|
* ```markdown
|
|||
|
|
* > | a <b c=d> e
|
|||
|
|
* ^
|
|||
|
|
* ```
|
|||
|
|
*
|
|||
|
|
* @type {State}
|
|||
|
|
*/
|
|||
|
|
function tagOpenAttributeValueUnquoted(code) {
|
|||
|
|
if (
|
|||
|
|
code === null ||
|
|||
|
|
code === 34 ||
|
|||
|
|
code === 39 ||
|
|||
|
|
code === 60 ||
|
|||
|
|
code === 61 ||
|
|||
|
|
code === 96
|
|||
|
|
) {
|
|||
|
|
return nok(code)
|
|||
|
|
}
|
|||
|
|
if (code === 47 || code === 62 || markdownLineEndingOrSpace(code)) {
|
|||
|
|
return tagOpenBetween(code)
|
|||
|
|
}
|
|||
|
|
effects.consume(code)
|
|||
|
|
return tagOpenAttributeValueUnquoted
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* After double or single quoted attribute value, before whitespace or the end
|
|||
|
|
* of the tag.
|
|||
|
|
*
|
|||
|
|
* ```markdown
|
|||
|
|
* > | a <b c="d"> e
|
|||
|
|
* ^
|
|||
|
|
* ```
|
|||
|
|
*
|
|||
|
|
* @type {State}
|
|||
|
|
*/
|
|||
|
|
function tagOpenAttributeValueQuotedAfter(code) {
|
|||
|
|
if (code === 47 || code === 62 || markdownLineEndingOrSpace(code)) {
|
|||
|
|
return tagOpenBetween(code)
|
|||
|
|
}
|
|||
|
|
return nok(code)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* In certain circumstances of a tag where only an `>` is allowed.
|
|||
|
|
*
|
|||
|
|
* ```markdown
|
|||
|
|
* > | a <b c="d"> e
|
|||
|
|
* ^
|
|||
|
|
* ```
|
|||
|
|
*
|
|||
|
|
* @type {State}
|
|||
|
|
*/
|
|||
|
|
function end(code) {
|
|||
|
|
if (code === 62) {
|
|||
|
|
effects.consume(code)
|
|||
|
|
effects.exit('htmlTextData')
|
|||
|
|
effects.exit('htmlText')
|
|||
|
|
return ok
|
|||
|
|
}
|
|||
|
|
return nok(code)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* At eol.
|
|||
|
|
*
|
|||
|
|
* > 👉 **Note**: we can’t have blank lines in text, so no need to worry about
|
|||
|
|
* > empty tokens.
|
|||
|
|
*
|
|||
|
|
* ```markdown
|
|||
|
|
* > | a <!--a
|
|||
|
|
* ^
|
|||
|
|
* | b-->
|
|||
|
|
* ```
|
|||
|
|
*
|
|||
|
|
* @type {State}
|
|||
|
|
*/
|
|||
|
|
function lineEndingBefore(code) {
|
|||
|
|
effects.exit('htmlTextData')
|
|||
|
|
effects.enter('lineEnding')
|
|||
|
|
effects.consume(code)
|
|||
|
|
effects.exit('lineEnding')
|
|||
|
|
return lineEndingAfter
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* After eol, at optional whitespace.
|
|||
|
|
*
|
|||
|
|
* > 👉 **Note**: we can’t have blank lines in text, so no need to worry about
|
|||
|
|
* > empty tokens.
|
|||
|
|
*
|
|||
|
|
* ```markdown
|
|||
|
|
* | a <!--a
|
|||
|
|
* > | b-->
|
|||
|
|
* ^
|
|||
|
|
* ```
|
|||
|
|
*
|
|||
|
|
* @type {State}
|
|||
|
|
*/
|
|||
|
|
function lineEndingAfter(code) {
|
|||
|
|
// Always populated by defaults.
|
|||
|
|
|
|||
|
|
return markdownSpace(code)
|
|||
|
|
? factorySpace(
|
|||
|
|
effects,
|
|||
|
|
lineEndingAfterPrefix,
|
|||
|
|
'linePrefix',
|
|||
|
|
self.parser.constructs.disable.null.includes('codeIndented')
|
|||
|
|
? undefined
|
|||
|
|
: 4
|
|||
|
|
)(code)
|
|||
|
|
: lineEndingAfterPrefix(code)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* After eol, after optional whitespace.
|
|||
|
|
*
|
|||
|
|
* > 👉 **Note**: we can’t have blank lines in text, so no need to worry about
|
|||
|
|
* > empty tokens.
|
|||
|
|
*
|
|||
|
|
* ```markdown
|
|||
|
|
* | a <!--a
|
|||
|
|
* > | b-->
|
|||
|
|
* ^
|
|||
|
|
* ```
|
|||
|
|
*
|
|||
|
|
* @type {State}
|
|||
|
|
*/
|
|||
|
|
function lineEndingAfterPrefix(code) {
|
|||
|
|
effects.enter('htmlTextData')
|
|||
|
|
return returnState(code)
|
|||
|
|
}
|
|||
|
|
}
|