micromark-extension-directive/dev/lib/directive-text.js
2024-07-05 17:29:27 +02:00

113 lines
2.7 KiB
JavaScript

/**
* @import {Construct, Previous, State, TokenizeContext, Tokenizer} from 'micromark-util-types'
*/
import {ok as assert} from 'devlop'
import {codes, types} from 'micromark-util-symbol'
import {factoryAttributes} from './factory-attributes.js'
import {factoryLabel} from './factory-label.js'
import {factoryName} from './factory-name.js'
/** @type {Construct} */
export const directiveText = {
tokenize: tokenizeDirectiveText,
previous
}
const label = {tokenize: tokenizeLabel, partial: true}
const attributes = {tokenize: tokenizeAttributes, partial: true}
/**
* @this {TokenizeContext}
* @type {Previous}
*/
function previous(code) {
// If there is a previous code, there will always be a tail.
return (
code !== codes.colon ||
this.events[this.events.length - 1][1].type === types.characterEscape
)
}
/**
* @this {TokenizeContext}
* @type {Tokenizer}
*/
function tokenizeDirectiveText(effects, ok, nok) {
const self = this
return start
/** @type {State} */
function start(code) {
assert(code === codes.colon, 'expected `:`')
assert(previous.call(self, self.previous), 'expected correct previous')
effects.enter('directiveText')
effects.enter('directiveTextMarker')
effects.consume(code)
effects.exit('directiveTextMarker')
return factoryName.call(self, effects, afterName, nok, 'directiveTextName')
}
/** @type {State} */
function afterName(code) {
return code === codes.colon
? nok(code)
: code === codes.leftSquareBracket
? effects.attempt(label, afterLabel, afterLabel)(code)
: afterLabel(code)
}
/** @type {State} */
function afterLabel(code) {
return code === codes.leftCurlyBrace
? effects.attempt(attributes, afterAttributes, afterAttributes)(code)
: afterAttributes(code)
}
/** @type {State} */
function afterAttributes(code) {
effects.exit('directiveText')
return ok(code)
}
}
/**
* @this {TokenizeContext}
* @type {Tokenizer}
*/
function tokenizeLabel(effects, ok, nok) {
// Always a `[`
return factoryLabel(
effects,
ok,
nok,
'directiveTextLabel',
'directiveTextLabelMarker',
'directiveTextLabelString'
)
}
/**
* @this {TokenizeContext}
* @type {Tokenizer}
*/
function tokenizeAttributes(effects, ok, nok) {
// Always a `{`
return factoryAttributes(
effects,
ok,
nok,
'directiveTextAttributes',
'directiveTextAttributesMarker',
'directiveTextAttribute',
'directiveTextAttributeId',
'directiveTextAttributeClass',
'directiveTextAttributeName',
'directiveTextAttributeInitializerMarker',
'directiveTextAttributeValueLiteral',
'directiveTextAttributeValue',
'directiveTextAttributeValueMarker',
'directiveTextAttributeValueData'
)
}