125 lines
2.3 KiB
JavaScript
125 lines
2.3 KiB
JavaScript
'use strict'
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var trim = require('trim')
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var interrupt = require('../util/interrupt')
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module.exports = blockquote
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var lineFeed = '\n'
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var tab = '\t'
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var space = ' '
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var greaterThan = '>'
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function blockquote(eat, value, silent) {
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var self = this
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var offsets = self.offset
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var tokenizers = self.blockTokenizers
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var interruptors = self.interruptBlockquote
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var now = eat.now()
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var currentLine = now.line
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var length = value.length
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var values = []
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var contents = []
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var indents = []
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var add
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var index = 0
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var character
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var rest
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var nextIndex
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var content
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var line
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var startIndex
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var prefixed
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var exit
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while (index < length) {
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character = value.charAt(index)
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if (character !== space && character !== tab) {
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break
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}
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index++
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}
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if (value.charAt(index) !== greaterThan) {
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return
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}
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if (silent) {
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return true
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}
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index = 0
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while (index < length) {
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nextIndex = value.indexOf(lineFeed, index)
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startIndex = index
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prefixed = false
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if (nextIndex === -1) {
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nextIndex = length
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}
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while (index < length) {
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character = value.charAt(index)
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if (character !== space && character !== tab) {
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break
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}
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index++
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}
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if (value.charAt(index) === greaterThan) {
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index++
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prefixed = true
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if (value.charAt(index) === space) {
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index++
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}
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} else {
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index = startIndex
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}
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content = value.slice(index, nextIndex)
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if (!prefixed && !trim(content)) {
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index = startIndex
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break
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}
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if (!prefixed) {
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rest = value.slice(index)
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// Check if the following code contains a possible block.
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if (interrupt(interruptors, tokenizers, self, [eat, rest, true])) {
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break
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}
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}
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line = startIndex === index ? content : value.slice(startIndex, nextIndex)
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indents.push(index - startIndex)
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values.push(line)
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contents.push(content)
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index = nextIndex + 1
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}
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index = -1
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length = indents.length
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add = eat(values.join(lineFeed))
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while (++index < length) {
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offsets[currentLine] = (offsets[currentLine] || 0) + indents[index]
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currentLine++
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}
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exit = self.enterBlock()
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contents = self.tokenizeBlock(contents.join(lineFeed), now)
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exit()
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return add({type: 'blockquote', children: contents})
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}
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