781 lines
14 KiB
JavaScript
781 lines
14 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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import {codes, constants, types} from 'micromark-util-symbol'
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import {ok as assert} from 'devlop'
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/** @type {Construct} */
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export const htmlText = {name: 'htmlText', tokenize: tokenizeHtmlText}
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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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assert(code === codes.lessThan, 'expected `<`')
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effects.enter(types.htmlText)
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effects.enter(types.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 === codes.exclamationMark) {
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effects.consume(code)
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return declarationOpen
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}
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if (code === codes.slash) {
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effects.consume(code)
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return tagCloseStart
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}
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if (code === codes.questionMark) {
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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 === codes.dash) {
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effects.consume(code)
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return commentOpenInside
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}
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if (code === codes.leftSquareBracket) {
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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 === codes.dash) {
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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 === codes.eof) {
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return nok(code)
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}
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if (code === codes.dash) {
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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 === codes.dash) {
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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 === codes.greaterThan
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? end(code)
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: code === codes.dash
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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 = constants.cdataOpeningString
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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 === codes.eof) {
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return nok(code)
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}
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if (code === codes.rightSquareBracket) {
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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 === codes.rightSquareBracket) {
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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 === codes.greaterThan) {
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return end(code)
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}
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if (code === codes.rightSquareBracket) {
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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 === codes.eof || code === codes.greaterThan) {
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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 === codes.eof) {
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return nok(code)
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}
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if (code === codes.questionMark) {
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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 === codes.greaterThan ? 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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|||
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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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* @type {State}
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*/
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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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*
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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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*
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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 === codes.dash || 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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* @type {State}
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|||
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*/
|
|||
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function tagCloseBetween(code) {
|
|||
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if (markdownLineEnding(code)) {
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returnState = tagCloseBetween
|
|||
|
|
return lineEndingBefore(code)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (markdownSpace(code)) {
|
|||
|
|
effects.consume(code)
|
|||
|
|
return tagCloseBetween
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return end(code)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* After `<x`, in opening tag name.
|
|||
|
|
*
|
|||
|
|
* ```markdown
|
|||
|
|
* > | a <b> c
|
|||
|
|
* ^
|
|||
|
|
* ```
|
|||
|
|
*
|
|||
|
|
* @type {State}
|
|||
|
|
*/
|
|||
|
|
function tagOpen(code) {
|
|||
|
|
// ASCII alphanumerical and `-`.
|
|||
|
|
if (code === codes.dash || asciiAlphanumeric(code)) {
|
|||
|
|
effects.consume(code)
|
|||
|
|
return tagOpen
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (
|
|||
|
|
code === codes.slash ||
|
|||
|
|
code === codes.greaterThan ||
|
|||
|
|
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 === codes.slash) {
|
|||
|
|
effects.consume(code)
|
|||
|
|
return end
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// ASCII alphabetical and `:` and `_`.
|
|||
|
|
if (code === codes.colon || code === codes.underscore || 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 === codes.dash ||
|
|||
|
|
code === codes.dot ||
|
|||
|
|
code === codes.colon ||
|
|||
|
|
code === codes.underscore ||
|
|||
|
|
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 === codes.equalsTo) {
|
|||
|
|
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 === codes.eof ||
|
|||
|
|
code === codes.lessThan ||
|
|||
|
|
code === codes.equalsTo ||
|
|||
|
|
code === codes.greaterThan ||
|
|||
|
|
code === codes.graveAccent
|
|||
|
|
) {
|
|||
|
|
return nok(code)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (code === codes.quotationMark || code === codes.apostrophe) {
|
|||
|
|
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 === codes.eof) {
|
|||
|
|
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 === codes.eof ||
|
|||
|
|
code === codes.quotationMark ||
|
|||
|
|
code === codes.apostrophe ||
|
|||
|
|
code === codes.lessThan ||
|
|||
|
|
code === codes.equalsTo ||
|
|||
|
|
code === codes.graveAccent
|
|||
|
|
) {
|
|||
|
|
return nok(code)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (
|
|||
|
|
code === codes.slash ||
|
|||
|
|
code === codes.greaterThan ||
|
|||
|
|
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 === codes.slash ||
|
|||
|
|
code === codes.greaterThan ||
|
|||
|
|
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 === codes.greaterThan) {
|
|||
|
|
effects.consume(code)
|
|||
|
|
effects.exit(types.htmlTextData)
|
|||
|
|
effects.exit(types.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) {
|
|||
|
|
assert(returnState, 'expected return state')
|
|||
|
|
assert(markdownLineEnding(code), 'expected eol')
|
|||
|
|
effects.exit(types.htmlTextData)
|
|||
|
|
effects.enter(types.lineEnding)
|
|||
|
|
effects.consume(code)
|
|||
|
|
effects.exit(types.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.
|
|||
|
|
assert(
|
|||
|
|
self.parser.constructs.disable.null,
|
|||
|
|
'expected `disable.null` to be populated'
|
|||
|
|
)
|
|||
|
|
return markdownSpace(code)
|
|||
|
|
? factorySpace(
|
|||
|
|
effects,
|
|||
|
|
lineEndingAfterPrefix,
|
|||
|
|
types.linePrefix,
|
|||
|
|
self.parser.constructs.disable.null.includes('codeIndented')
|
|||
|
|
? undefined
|
|||
|
|
: constants.tabSize
|
|||
|
|
)(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(types.htmlTextData)
|
|||
|
|
return returnState(code)
|
|||
|
|
}
|
|||
|
|
}
|