micromark-extension-directive/lib/tokenize-directive-leaf.js
2021-06-08 15:20:45 +02:00

97 lines
2.4 KiB
JavaScript

'use strict'
exports.tokenize = tokenizeDirectiveLeaf
var markdownLineEnding = require('micromark/dist/character/markdown-line-ending')
var createSpace = require('micromark/dist/tokenize/factory-space')
var createAttributes = require('./factory-attributes.js')
var createLabel = require('./factory-label.js')
var createName = require('./factory-name.js')
var label = {tokenize: tokenizeLabel, partial: true}
var attributes = {tokenize: tokenizeAttributes, partial: true}
function tokenizeDirectiveLeaf(effects, ok, nok) {
var self = this
return start
function start(code) {
/* istanbul ignore if - handled by mm */
if (code !== 58 /* `:` */) throw new Error('expected `:`')
effects.enter('directiveLeaf')
effects.enter('directiveLeafSequence')
effects.consume(code)
return inStart
}
function inStart(code) {
if (code === 58 /* `:` */) {
effects.consume(code)
effects.exit('directiveLeafSequence')
return createName.call(self, effects, afterName, nok, 'directiveLeafName')
}
return nok(code)
}
function afterName(code) {
return code === 91 /* `[` */
? effects.attempt(label, afterLabel, afterLabel)(code)
: afterLabel(code)
}
function afterLabel(code) {
return code === 123 /* `{` */
? effects.attempt(attributes, afterAttributes, afterAttributes)(code)
: afterAttributes(code)
}
function afterAttributes(code) {
return createSpace(effects, end, 'whitespace')(code)
}
function end(code) {
if (code === null || markdownLineEnding(code)) {
effects.exit('directiveLeaf')
return ok(code)
}
return nok(code)
}
}
function tokenizeLabel(effects, ok, nok) {
// Always a `[`
return createLabel(
effects,
ok,
nok,
'directiveLeafLabel',
'directiveLeafLabelMarker',
'directiveLeafLabelString',
true
)
}
function tokenizeAttributes(effects, ok, nok) {
// Always a `{`
return createAttributes(
effects,
ok,
nok,
'directiveLeafAttributes',
'directiveLeafAttributesMarker',
'directiveLeafAttribute',
'directiveLeafAttributeId',
'directiveLeafAttributeClass',
'directiveLeafAttributeName',
'directiveLeafAttributeInitializerMarker',
'directiveLeafAttributeValueLiteral',
'directiveLeafAttributeValue',
'directiveLeafAttributeValueMarker',
'directiveLeafAttributeValueData',
true
)
}