38836e5c61
Previously, brackets were only allowed in labels when escaped, making it impossible to use media with resources (links, images), or nested directives. This adds support for up to three levels of nesting in a label. This also removes a hidden flag that was not used anymore. Closes GH-7.
90 lines
2.2 KiB
JavaScript
90 lines
2.2 KiB
JavaScript
'use strict'
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exports.tokenize = tokenizeDirectiveText
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exports.previous = previous
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var createAttributes = require('./factory-attributes')
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var createLabel = require('./factory-label')
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var createName = require('./factory-name')
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var label = {tokenize: tokenizeLabel, partial: true}
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var attributes = {tokenize: tokenizeAttributes, partial: true}
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function previous(code) {
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// If there is a previous code, there will always be a tail.
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return (
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code !== 58 /* `:` */ ||
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this.events[this.events.length - 1][1].type === 'characterEscape'
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)
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}
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function tokenizeDirectiveText(effects, ok, nok) {
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var self = this
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return start
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function start(code) {
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/* istanbul ignore if - handled by mm */
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if (code !== 58 /* `:` */) throw new Error('expected `:`')
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/* istanbul ignore if - handled by mm */
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if (!previous.call(self, self.previous)) {
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throw new Error('expected correct previous')
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}
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effects.enter('directiveText')
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effects.enter('directiveTextMarker')
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effects.consume(code)
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effects.exit('directiveTextMarker')
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return createName(effects, afterName, nok, 'directiveTextName')
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}
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function afterName(code) {
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return code === 91 /* `[` */
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? effects.attempt(label, afterLabel, afterLabel)(code)
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: afterLabel(code)
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}
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function afterLabel(code) {
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return code === 123 /* `{` */
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? effects.attempt(attributes, afterAttributes, afterAttributes)(code)
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: afterAttributes(code)
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}
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function afterAttributes(code) {
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effects.exit('directiveText')
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return ok(code)
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}
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}
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function tokenizeLabel(effects, ok, nok) {
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// Always a `[`
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return createLabel(
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effects,
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ok,
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nok,
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'directiveTextLabel',
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'directiveTextLabelMarker',
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'directiveTextLabelString'
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)
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}
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function tokenizeAttributes(effects, ok, nok) {
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// Always a `{`
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return createAttributes(
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effects,
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ok,
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nok,
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'directiveTextAttributes',
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'directiveTextAttributesMarker',
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'directiveTextAttribute',
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'directiveTextAttributeId',
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'directiveTextAttributeClass',
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'directiveTextAttributeName',
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'directiveTextAttributeInitializerMarker',
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'directiveTextAttributeValueLiteral',
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'directiveTextAttributeValue',
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'directiveTextAttributeValueMarker',
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'directiveTextAttributeValueData'
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)
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}
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