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| 1 | +var normalizeIdentifier = require('micromark/dist/util/normalize-identifier') |
| 2 | + |
| 3 | +exports.enter = { |
| 4 | + footnoteDefinitionLabelString: buffer, |
| 5 | + footnoteCallString: buffer, |
| 6 | + inlineNoteText: enterNoteText |
| 7 | +} |
| 8 | +exports.exit = { |
| 9 | + footnoteDefinition: exitFootnoteDefinition, |
| 10 | + footnoteDefinitionLabelString: exitFootnoteDefinitionLabelString, |
| 11 | + footnoteCallString: exitFootnoteCallString, |
| 12 | + inlineNoteText: exitNoteText, |
| 13 | + null: exitDocument |
| 14 | +} |
| 15 | + |
| 16 | +var own = {}.hasOwnProperty |
| 17 | + |
| 18 | +function buffer() { |
| 19 | + this.buffer() |
| 20 | +} |
| 21 | + |
| 22 | +function exitFootnoteDefinitionLabelString(token) { |
| 23 | + var stack = this.getData('footnoteDefinitionStack') |
| 24 | + |
| 25 | + if (!stack) this.setData('footnoteDefinitionStack', (stack = [])) |
| 26 | + |
| 27 | + stack.push(normalizeIdentifier(this.sliceSerialize(token))) |
| 28 | + this.resume() // Drop the label. |
| 29 | + this.buffer() // Get ready for a value. |
| 30 | +} |
| 31 | + |
| 32 | +function exitFootnoteDefinition() { |
| 33 | + var definitions = this.getData('footnoteDefinitions') |
| 34 | + var stack = this.getData('footnoteDefinitionStack') |
| 35 | + var current = stack.pop() |
| 36 | + var value = this.resume() |
| 37 | + |
| 38 | + if (!definitions) this.setData('footnoteDefinitions', (definitions = {})) |
| 39 | + if (!own.call(definitions, current)) definitions[current] = value |
| 40 | +} |
| 41 | + |
| 42 | +function exitFootnoteCallString(token) { |
| 43 | + var calls = this.getData('footnoteCallOrder') |
| 44 | + var id = normalizeIdentifier(this.sliceSerialize(token)) |
| 45 | + var index |
| 46 | + var counter |
| 47 | + |
| 48 | + this.resume() |
| 49 | + |
| 50 | + if (!calls) this.setData('footnoteCallOrder', (calls = [])) |
| 51 | + |
| 52 | + index = calls.indexOf(id) |
| 53 | + |
| 54 | + if (index === -1) { |
| 55 | + calls.push(id) |
| 56 | + counter = calls.length |
| 57 | + } else { |
| 58 | + counter = index + 1 |
| 59 | + } |
| 60 | + |
| 61 | + createCall.call(this, String(counter)) |
| 62 | +} |
| 63 | + |
| 64 | +function exitDocument() { |
| 65 | + var calls = this.getData('footnoteCallOrder') || [] |
| 66 | + var definitions = this.getData('footnoteDefinitions') || {} |
| 67 | + var notes = this.getData('inlineNotes') || {} |
| 68 | + var index = -1 |
| 69 | + var length = calls.length |
| 70 | + var value |
| 71 | + var id |
| 72 | + var injected |
| 73 | + var back |
| 74 | + var counter |
| 75 | + |
| 76 | + if (length) { |
| 77 | + this.lineEndingIfNeeded() |
| 78 | + this.tag('<div class="footnotes">') |
| 79 | + this.lineEndingIfNeeded() |
| 80 | + this.tag('<hr />') |
| 81 | + this.lineEndingIfNeeded() |
| 82 | + this.tag('<ol>') |
| 83 | + } |
| 84 | + |
| 85 | + while (++index < length) { |
| 86 | + // Called definitions are always defined. |
| 87 | + id = calls[index] |
| 88 | + counter = String(index + 1) |
| 89 | + injected = false |
| 90 | + back = '<a href="#fnref' + counter + '" class="footnote-back">↩︎</a>' |
| 91 | + value = (typeof id === 'number' ? notes : definitions)[id].replace( |
| 92 | + /<\/p>(?:\r?\n|\r)?$/, |
| 93 | + injectBack |
| 94 | + ) |
| 95 | + |
| 96 | + this.lineEndingIfNeeded() |
| 97 | + this.tag('<li id="fn' + counter + '">') |
| 98 | + this.lineEndingIfNeeded() |
| 99 | + this.raw(value) |
| 100 | + |
| 101 | + if (!injected) { |
| 102 | + this.lineEndingIfNeeded() |
| 103 | + this.tag(back) |
| 104 | + } |
| 105 | + |
| 106 | + this.lineEndingIfNeeded() |
| 107 | + this.tag('</li>') |
| 108 | + } |
| 109 | + |
| 110 | + if (length) { |
| 111 | + this.lineEndingIfNeeded() |
| 112 | + this.tag('</ol>') |
| 113 | + this.lineEndingIfNeeded() |
| 114 | + this.tag('</div>') |
| 115 | + } |
| 116 | + |
| 117 | + function injectBack($0) { |
| 118 | + injected = true |
| 119 | + return back + $0 |
| 120 | + } |
| 121 | +} |
| 122 | + |
| 123 | +function enterNoteText() { |
| 124 | + var counter = (this.getData('inlineNoteCounter') || 0) + 1 |
| 125 | + var stack = this.getData('inlineNoteStack') |
| 126 | + var calls = this.getData('footnoteCallOrder') |
| 127 | + |
| 128 | + if (!stack) this.setData('inlineNoteStack', (stack = [])) |
| 129 | + if (!calls) this.setData('footnoteCallOrder', (calls = [])) |
| 130 | + |
| 131 | + stack.push(counter) |
| 132 | + calls.push(counter) |
| 133 | + this.setData('inlineNoteCounter', counter) |
| 134 | + this.buffer() |
| 135 | +} |
| 136 | + |
| 137 | +function exitNoteText() { |
| 138 | + var counter = this.getData('inlineNoteStack').pop() |
| 139 | + var notes = this.getData('inlineNotes') |
| 140 | + |
| 141 | + if (!notes) this.setData('inlineNotes', (notes = {})) |
| 142 | + |
| 143 | + notes[counter] = '<p>' + this.resume() + '</p>' |
| 144 | + createCall.call(this, String(counter)) |
| 145 | +} |
| 146 | + |
| 147 | +function createCall(counter) { |
| 148 | + this.tag( |
| 149 | + '<a href="#fn' + |
| 150 | + counter + |
| 151 | + '" class="footnote-ref" id="fnref' + |
| 152 | + counter + |
| 153 | + '"><sup>' |
| 154 | + ) |
| 155 | + this.raw(counter) |
| 156 | + this.tag('</sup></a>') |
| 157 | +} |
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