1 | (function (Prism) {
|
2 |
|
3 |
|
4 | var inner = /(?:\\.|[^\\\n\r]|(?:\n|\r\n?)(?!\n|\r\n?))/.source;
|
5 |
|
6 | |
7 |
|
8 |
|
9 |
|
10 |
|
11 |
|
12 |
|
13 |
|
14 |
|
15 |
|
16 | function createInline(pattern) {
|
17 | pattern = pattern.replace(/<inner>/g, function () { return inner; });
|
18 | return RegExp(/((?:^|[^\\])(?:\\{2})*)/.source + '(?:' + pattern + ')');
|
19 | }
|
20 |
|
21 |
|
22 | var tableCell = /(?:\\.|``(?:[^`\r\n]|`(?!`))+``|`[^`\r\n]+`|[^\\|\r\n`])+/.source;
|
23 | var tableRow = /\|?__(?:\|__)+\|?(?:(?:\n|\r\n?)|$)/.source.replace(/__/g, function () { return tableCell; });
|
24 | var tableLine = /\|?[ \t]*:?-{3,}:?[ \t]*(?:\|[ \t]*:?-{3,}:?[ \t]*)+\|?(?:\n|\r\n?)/.source;
|
25 |
|
26 |
|
27 | Prism.languages.markdown = Prism.languages.extend('markup', {});
|
28 | Prism.languages.insertBefore('markdown', 'prolog', {
|
29 | 'blockquote': {
|
30 |
|
31 | pattern: /^>(?:[\t ]*>)*/m,
|
32 | alias: 'punctuation'
|
33 | },
|
34 | 'table': {
|
35 | pattern: RegExp('^' + tableRow + tableLine + '(?:' + tableRow + ')*', 'm'),
|
36 | inside: {
|
37 | 'table-data-rows': {
|
38 | pattern: RegExp('^(' + tableRow + tableLine + ')(?:' + tableRow + ')*$'),
|
39 | lookbehind: true,
|
40 | inside: {
|
41 | 'table-data': {
|
42 | pattern: RegExp(tableCell),
|
43 | inside: Prism.languages.markdown
|
44 | },
|
45 | 'punctuation': /\|/
|
46 | }
|
47 | },
|
48 | 'table-line': {
|
49 | pattern: RegExp('^(' + tableRow + ')' + tableLine + '$'),
|
50 | lookbehind: true,
|
51 | inside: {
|
52 | 'punctuation': /\||:?-{3,}:?/
|
53 | }
|
54 | },
|
55 | 'table-header-row': {
|
56 | pattern: RegExp('^' + tableRow + '$'),
|
57 | inside: {
|
58 | 'table-header': {
|
59 | pattern: RegExp(tableCell),
|
60 | alias: 'important',
|
61 | inside: Prism.languages.markdown
|
62 | },
|
63 | 'punctuation': /\|/
|
64 | }
|
65 | }
|
66 | }
|
67 | },
|
68 | 'code': [
|
69 | {
|
70 |
|
71 | pattern: /((?:^|\n)[ \t]*\n|(?:^|\r\n?)[ \t]*\r\n?)(?: {4}|\t).+(?:(?:\n|\r\n?)(?: {4}|\t).+)*/,
|
72 | lookbehind: true,
|
73 | alias: 'keyword'
|
74 | },
|
75 | {
|
76 |
|
77 |
|
78 | pattern: /``.+?``|`[^`\r\n]+`/,
|
79 | alias: 'keyword'
|
80 | },
|
81 | {
|
82 |
|
83 |
|
84 |
|
85 | pattern: /^```[\s\S]*?^```$/m,
|
86 | greedy: true,
|
87 | inside: {
|
88 | 'code-block': {
|
89 | pattern: /^(```.*(?:\n|\r\n?))[\s\S]+?(?=(?:\n|\r\n?)^```$)/m,
|
90 | lookbehind: true
|
91 | },
|
92 | 'code-language': {
|
93 | pattern: /^(```).+/,
|
94 | lookbehind: true
|
95 | },
|
96 | 'punctuation': /```/
|
97 | }
|
98 | }
|
99 | ],
|
100 | 'title': [
|
101 | {
|
102 |
|
103 |
|
104 |
|
105 |
|
106 |
|
107 | pattern: /\S.*(?:\n|\r\n?)(?:==+|--+)(?=[ \t]*$)/m,
|
108 | alias: 'important',
|
109 | inside: {
|
110 | punctuation: /==+$|--+$/
|
111 | }
|
112 | },
|
113 | {
|
114 |
|
115 |
|
116 | pattern: /(^\s*)#+.+/m,
|
117 | lookbehind: true,
|
118 | alias: 'important',
|
119 | inside: {
|
120 | punctuation: /^#+|#+$/
|
121 | }
|
122 | }
|
123 | ],
|
124 | 'hr': {
|
125 |
|
126 |
|
127 |
|
128 |
|
129 | pattern: /(^\s*)([*-])(?:[\t ]*\2){2,}(?=\s*$)/m,
|
130 | lookbehind: true,
|
131 | alias: 'punctuation'
|
132 | },
|
133 | 'list': {
|
134 |
|
135 |
|
136 |
|
137 |
|
138 | pattern: /(^\s*)(?:[*+-]|\d+\.)(?=[\t ].)/m,
|
139 | lookbehind: true,
|
140 | alias: 'punctuation'
|
141 | },
|
142 | 'url-reference': {
|
143 |
|
144 |
|
145 |
|
146 |
|
147 | pattern: /!?\[[^\]]+\]:[\t ]+(?:\S+|<(?:\\.|[^>\\])+>)(?:[\t ]+(?:"(?:\\.|[^"\\])*"|'(?:\\.|[^'\\])*'|\((?:\\.|[^)\\])*\)))?/,
|
148 | inside: {
|
149 | 'variable': {
|
150 | pattern: /^(!?\[)[^\]]+/,
|
151 | lookbehind: true
|
152 | },
|
153 | 'string': /(?:"(?:\\.|[^"\\])*"|'(?:\\.|[^'\\])*'|\((?:\\.|[^)\\])*\))$/,
|
154 | 'punctuation': /^[\[\]!:]|[<>]/
|
155 | },
|
156 | alias: 'url'
|
157 | },
|
158 | 'bold': {
|
159 |
|
160 |
|
161 |
|
162 |
|
163 | pattern: createInline(/\b__(?:(?!_)<inner>|_(?:(?!_)<inner>)+_)+__\b|\*\*(?:(?!\*)<inner>|\*(?:(?!\*)<inner>)+\*)+\*\*/.source),
|
164 | lookbehind: true,
|
165 | greedy: true,
|
166 | inside: {
|
167 | 'content': {
|
168 | pattern: /(^..)[\s\S]+(?=..$)/,
|
169 | lookbehind: true,
|
170 | inside: {}
|
171 | },
|
172 | 'punctuation': /\*\*|__/
|
173 | }
|
174 | },
|
175 | 'italic': {
|
176 |
|
177 |
|
178 |
|
179 |
|
180 | pattern: createInline(/\b_(?:(?!_)<inner>|__(?:(?!_)<inner>)+__)+_\b|\*(?:(?!\*)<inner>|\*\*(?:(?!\*)<inner>)+\*\*)+\*/.source),
|
181 | lookbehind: true,
|
182 | greedy: true,
|
183 | inside: {
|
184 | 'content': {
|
185 | pattern: /(^.)[\s\S]+(?=.$)/,
|
186 | lookbehind: true,
|
187 | inside: {}
|
188 | },
|
189 | 'punctuation': /[*_]/
|
190 | }
|
191 | },
|
192 | 'strike': {
|
193 |
|
194 |
|
195 | pattern: createInline(/(~~?)(?:(?!~)<inner>)+?\2/.source),
|
196 | lookbehind: true,
|
197 | greedy: true,
|
198 | inside: {
|
199 | 'content': {
|
200 | pattern: /(^~~?)[\s\S]+(?=\1$)/,
|
201 | lookbehind: true,
|
202 | inside: {}
|
203 | },
|
204 | 'punctuation': /~~?/
|
205 | }
|
206 | },
|
207 | 'url': {
|
208 |
|
209 |
|
210 |
|
211 | pattern: createInline(/!?\[(?:(?!\])<inner>)+\](?:\([^\s)]+(?:[\t ]+"(?:\\.|[^"\\])*")?\)| ?\[(?:(?!\])<inner>)+\])/.source),
|
212 | lookbehind: true,
|
213 | greedy: true,
|
214 | inside: {
|
215 | 'variable': {
|
216 | pattern: /(\[)[^\]]+(?=\]$)/,
|
217 | lookbehind: true
|
218 | },
|
219 | 'content': {
|
220 | pattern: /(^!?\[)[^\]]+(?=\])/,
|
221 | lookbehind: true,
|
222 | inside: {}
|
223 | },
|
224 | 'string': {
|
225 | pattern: /"(?:\\.|[^"\\])*"(?=\)$)/
|
226 | }
|
227 | }
|
228 | }
|
229 | });
|
230 |
|
231 | ['url', 'bold', 'italic', 'strike'].forEach(function (token) {
|
232 | ['url', 'bold', 'italic', 'strike'].forEach(function (inside) {
|
233 | if (token !== inside) {
|
234 | Prism.languages.markdown[token].inside.content.inside[inside] = Prism.languages.markdown[inside];
|
235 | }
|
236 | });
|
237 | });
|
238 |
|
239 | Prism.hooks.add('after-tokenize', function (env) {
|
240 | if (env.language !== 'markdown' && env.language !== 'md') {
|
241 | return;
|
242 | }
|
243 |
|
244 | function walkTokens(tokens) {
|
245 | if (!tokens || typeof tokens === 'string') {
|
246 | return;
|
247 | }
|
248 |
|
249 | for (var i = 0, l = tokens.length; i < l; i++) {
|
250 | var token = tokens[i];
|
251 |
|
252 | if (token.type !== 'code') {
|
253 | walkTokens(token.content);
|
254 | continue;
|
255 | }
|
256 |
|
257 | |
258 |
|
259 |
|
260 |
|
261 |
|
262 |
|
263 |
|
264 |
|
265 |
|
266 |
|
267 |
|
268 |
|
269 |
|
270 |
|
271 | var codeLang = token.content[1];
|
272 | var codeBlock = token.content[3];
|
273 |
|
274 | if (codeLang && codeBlock &&
|
275 | codeLang.type === 'code-language' && codeBlock.type === 'code-block' &&
|
276 | typeof codeLang.content === 'string') {
|
277 |
|
278 |
|
279 |
|
280 |
|
281 | var lang = codeLang.content.replace(/\b#/g, 'sharp').replace(/\b\+\+/g, 'pp')
|
282 |
|
283 | lang = (/[a-z][\w-]*/i.exec(lang) || [''])[0].toLowerCase();
|
284 | var alias = 'language-' + lang;
|
285 |
|
286 |
|
287 | if (!codeBlock.alias) {
|
288 | codeBlock.alias = [alias];
|
289 | } else if (typeof codeBlock.alias === 'string') {
|
290 | codeBlock.alias = [codeBlock.alias, alias];
|
291 | } else {
|
292 | codeBlock.alias.push(alias);
|
293 | }
|
294 | }
|
295 | }
|
296 | }
|
297 |
|
298 | walkTokens(env.tokens);
|
299 | });
|
300 |
|
301 | Prism.hooks.add('wrap', function (env) {
|
302 | if (env.type !== 'code-block') {
|
303 | return;
|
304 | }
|
305 |
|
306 | var codeLang = '';
|
307 | for (var i = 0, l = env.classes.length; i < l; i++) {
|
308 | var cls = env.classes[i];
|
309 | var match = /language-(.+)/.exec(cls);
|
310 | if (match) {
|
311 | codeLang = match[1];
|
312 | break;
|
313 | }
|
314 | }
|
315 |
|
316 | var grammar = Prism.languages[codeLang];
|
317 |
|
318 | if (!grammar) {
|
319 | if (codeLang && codeLang !== 'none' && Prism.plugins.autoloader) {
|
320 | var id = 'md-' + new Date().valueOf() + '-' + Math.floor(Math.random() * 1e16);
|
321 | env.attributes['id'] = id;
|
322 |
|
323 | Prism.plugins.autoloader.loadLanguages(codeLang, function () {
|
324 | var ele = document.getElementById(id);
|
325 | if (ele) {
|
326 | ele.innerHTML = Prism.highlight(ele.textContent, Prism.languages[codeLang], codeLang);
|
327 | }
|
328 | });
|
329 | }
|
330 | } else {
|
331 |
|
332 | var code = env.content.replace(/</g, '<').replace(/&/g, '&');
|
333 |
|
334 | env.content = Prism.highlight(code, grammar, codeLang);
|
335 | }
|
336 | });
|
337 |
|
338 | Prism.languages.md = Prism.languages.markdown;
|
339 |
|
340 | }(Prism));
|