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122 lines
3.0 KiB
JavaScript
122 lines
3.0 KiB
JavaScript
'use strict'
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var assert = require('assert')
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var codes = require('../character/codes.js')
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var markdownLineEnding = require('../character/markdown-line-ending.js')
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var constants = require('../constant/constants.js')
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var types = require('../constant/types.js')
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var prefixSize = require('../util/prefix-size.js')
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var subtokenize = require('../util/subtokenize.js')
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var factorySpace = require('./factory-space.js')
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function _interopDefaultLegacy(e) {
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return e && typeof e === 'object' && 'default' in e ? e : {default: e}
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}
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var assert__default = /*#__PURE__*/ _interopDefaultLegacy(assert)
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// No name because it must not be turned off.
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var content = {
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tokenize: tokenizeContent,
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resolve: resolveContent,
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interruptible: true,
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lazy: true
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}
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var continuationConstruct = {tokenize: tokenizeContinuation, partial: true}
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// Content is transparent: it’s parsed right now. That way, definitions are also
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// parsed right now: before text in paragraphs (specifically, media) are parsed.
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function resolveContent(events) {
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subtokenize(events)
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return events
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}
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function tokenizeContent(effects, ok) {
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var previous
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return start
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function start(code) {
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assert__default['default'](
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code !== codes.eof && !markdownLineEnding(code),
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'expected no eof or eol'
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)
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effects.enter(types.content)
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previous = effects.enter(types.chunkContent, {
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contentType: constants.contentTypeContent
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})
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return data(code)
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}
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function data(code) {
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if (code === codes.eof) {
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return contentEnd(code)
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}
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if (markdownLineEnding(code)) {
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return effects.check(
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continuationConstruct,
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contentContinue,
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contentEnd
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)(code)
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}
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// Data.
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effects.consume(code)
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return data
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}
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function contentEnd(code) {
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effects.exit(types.chunkContent)
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effects.exit(types.content)
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return ok(code)
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}
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function contentContinue(code) {
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assert__default['default'](markdownLineEnding(code), 'expected eol')
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effects.consume(code)
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effects.exit(types.chunkContent)
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previous = previous.next = effects.enter(types.chunkContent, {
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contentType: constants.contentTypeContent,
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previous: previous
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})
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return data
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}
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}
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function tokenizeContinuation(effects, ok, nok) {
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var self = this
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return startLookahead
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function startLookahead(code) {
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assert__default['default'](
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markdownLineEnding(code),
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'expected a line ending'
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)
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effects.enter(types.lineEnding)
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effects.consume(code)
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effects.exit(types.lineEnding)
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return factorySpace(effects, prefixed, types.linePrefix)
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}
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function prefixed(code) {
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if (code === codes.eof || markdownLineEnding(code)) {
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return nok(code)
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}
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if (
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self.parser.constructs.disable.null.indexOf('codeIndented') > -1 ||
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prefixSize(self.events, types.linePrefix) < constants.tabSize
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) {
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return effects.interrupt(self.parser.constructs.flow, nok, ok)(code)
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}
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return ok(code)
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}
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}
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module.exports = content
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