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102 lines
2.5 KiB
102 lines
2.5 KiB
'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 markdownSpace = require('../character/markdown-space.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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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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// eslint-disable-next-line max-params |
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function labelFactory(effects, ok, nok, type, markerType, stringType) { |
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var self = this |
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var size = 0 |
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var data |
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return start |
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function start(code) { |
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assert__default['default'](code === codes.leftSquareBracket, 'expected `[`') |
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effects.enter(type) |
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effects.enter(markerType) |
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effects.consume(code) |
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effects.exit(markerType) |
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effects.enter(stringType) |
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return atBreak |
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} |
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function atBreak(code) { |
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if ( |
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code === codes.eof || |
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code === codes.leftSquareBracket || |
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(code === codes.rightSquareBracket && !data) || |
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/* c8 ignore next */ |
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(code === codes.caret && |
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/* c8 ignore next */ |
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!size && |
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/* c8 ignore next */ |
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'_hiddenFootnoteSupport' in self.parser.constructs) || |
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size > constants.linkReferenceSizeMax |
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) { |
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return nok(code) |
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} |
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if (code === codes.rightSquareBracket) { |
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effects.exit(stringType) |
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effects.enter(markerType) |
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effects.consume(code) |
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effects.exit(markerType) |
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effects.exit(type) |
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return ok |
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} |
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if (markdownLineEnding(code)) { |
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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 atBreak |
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} |
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effects.enter(types.chunkString, {contentType: constants.contentTypeString}) |
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return label(code) |
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} |
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function label(code) { |
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if ( |
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code === codes.eof || |
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code === codes.leftSquareBracket || |
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code === codes.rightSquareBracket || |
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markdownLineEnding(code) || |
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size++ > constants.linkReferenceSizeMax |
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) { |
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effects.exit(types.chunkString) |
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return atBreak(code) |
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} |
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effects.consume(code) |
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data = data || !markdownSpace(code) |
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return code === codes.backslash ? labelEscape : label |
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} |
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function labelEscape(code) { |
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if ( |
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code === codes.leftSquareBracket || |
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code === codes.backslash || |
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code === codes.rightSquareBracket |
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) { |
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effects.consume(code) |
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size++ |
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return label |
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} |
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return label(code) |
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} |
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} |
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module.exports = labelFactory
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