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- (function (Prism) {
- // TODO:
- // - Add CSS highlighting inside <style> tags
- // - Add support for multi-line code blocks
- // - Add support for interpolation #{} and !{}
- // - Add support for tag interpolation #[]
- // - Add explicit support for plain text using |
- // - Add support for markup embedded in plain text
- Prism.languages.pug = {
- // Multiline stuff should appear before the rest
- // This handles both single-line and multi-line comments
- 'comment': {
- pattern: /(^([\t ]*))\/\/.*(?:(?:\r?\n|\r)\2[\t ].+)*/m,
- lookbehind: true
- },
- // All the tag-related part is in lookbehind
- // so that it can be highlighted by the "tag" pattern
- 'multiline-script': {
- pattern: /(^([\t ]*)script\b.*\.[\t ]*)(?:(?:\r?\n|\r(?!\n))(?:\2[\t ].+|\s*?(?=\r?\n|\r)))+/m,
- lookbehind: true,
- inside: Prism.languages.javascript
- },
- // See at the end of the file for known filters
- 'filter': {
- pattern: /(^([\t ]*)):.+(?:(?:\r?\n|\r(?!\n))(?:\2[\t ].+|\s*?(?=\r?\n|\r)))+/m,
- lookbehind: true,
- inside: {
- 'filter-name': {
- pattern: /^:[\w-]+/,
- alias: 'variable'
- },
- 'text': /\S[\s\S]*/,
- }
- },
- 'multiline-plain-text': {
- pattern: /(^([\t ]*)[\w\-#.]+\.[\t ]*)(?:(?:\r?\n|\r(?!\n))(?:\2[\t ].+|\s*?(?=\r?\n|\r)))+/m,
- lookbehind: true
- },
- 'markup': {
- pattern: /(^[\t ]*)<.+/m,
- lookbehind: true,
- inside: Prism.languages.markup
- },
- 'doctype': {
- pattern: /((?:^|\n)[\t ]*)doctype(?: .+)?/,
- lookbehind: true
- },
- // This handle all conditional and loop keywords
- 'flow-control': {
- pattern: /(^[\t ]*)(?:case|default|each|else|if|unless|when|while)\b(?: .+)?/m,
- lookbehind: true,
- inside: {
- 'each': {
- pattern: /^each .+? in\b/,
- inside: {
- 'keyword': /\b(?:each|in)\b/,
- 'punctuation': /,/
- }
- },
- 'branch': {
- pattern: /^(?:case|default|else|if|unless|when|while)\b/,
- alias: 'keyword'
- },
- rest: Prism.languages.javascript
- }
- },
- 'keyword': {
- pattern: /(^[\t ]*)(?:append|block|extends|include|prepend)\b.+/m,
- lookbehind: true
- },
- 'mixin': [
- // Declaration
- {
- pattern: /(^[\t ]*)mixin .+/m,
- lookbehind: true,
- inside: {
- 'keyword': /^mixin/,
- 'function': /\w+(?=\s*\(|\s*$)/,
- 'punctuation': /[(),.]/
- }
- },
- // Usage
- {
- pattern: /(^[\t ]*)\+.+/m,
- lookbehind: true,
- inside: {
- 'name': {
- pattern: /^\+\w+/,
- alias: 'function'
- },
- rest: Prism.languages.javascript
- }
- }
- ],
- 'script': {
- pattern: /(^[\t ]*script(?:(?:&[^(]+)?\([^)]+\))*[\t ]).+/m,
- lookbehind: true,
- inside: Prism.languages.javascript
- },
- 'plain-text': {
- pattern: /(^[\t ]*(?!-)[\w\-#.]*[\w\-](?:(?:&[^(]+)?\([^)]+\))*\/?[\t ]).+/m,
- lookbehind: true
- },
- 'tag': {
- pattern: /(^[\t ]*)(?!-)[\w\-#.]*[\w\-](?:(?:&[^(]+)?\([^)]+\))*\/?:?/m,
- lookbehind: true,
- inside: {
- 'attributes': [
- {
- pattern: /&[^(]+\([^)]+\)/,
- inside: Prism.languages.javascript
- },
- {
- pattern: /\([^)]+\)/,
- inside: {
- 'attr-value': {
- pattern: /(=\s*(?!\s))(?:\{[^}]*\}|[^,)\r\n]+)/,
- lookbehind: true,
- inside: Prism.languages.javascript
- },
- 'attr-name': /[\w-]+(?=\s*!?=|\s*[,)])/,
- 'punctuation': /[!=(),]+/
- }
- }
- ],
- 'punctuation': /:/,
- 'attr-id': /#[\w\-]+/,
- 'attr-class': /\.[\w\-]+/
- }
- },
- 'code': [
- {
- pattern: /(^[\t ]*(?:-|!?=)).+/m,
- lookbehind: true,
- inside: Prism.languages.javascript
- }
- ],
- 'punctuation': /[.\-!=|]+/
- };
- var filter_pattern = /(^([\t ]*)):<filter_name>(?:(?:\r?\n|\r(?!\n))(?:\2[\t ].+|\s*?(?=\r?\n|\r)))+/.source;
- // Non exhaustive list of available filters and associated languages
- var filters = [
- { filter: 'atpl', language: 'twig' },
- { filter: 'coffee', language: 'coffeescript' },
- 'ejs',
- 'handlebars',
- 'less',
- 'livescript',
- 'markdown',
- { filter: 'sass', language: 'scss' },
- 'stylus'
- ];
- var all_filters = {};
- for (var i = 0, l = filters.length; i < l; i++) {
- var filter = filters[i];
- filter = typeof filter === 'string' ? { filter: filter, language: filter } : filter;
- if (Prism.languages[filter.language]) {
- all_filters['filter-' + filter.filter] = {
- pattern: RegExp(filter_pattern.replace('<filter_name>', function () { return filter.filter; }), 'm'),
- lookbehind: true,
- inside: {
- 'filter-name': {
- pattern: /^:[\w-]+/,
- alias: 'variable'
- },
- 'text': {
- pattern: /\S[\s\S]*/,
- alias: [filter.language, 'language-' + filter.language],
- inside: Prism.languages[filter.language]
- }
- }
- };
- }
- }
- Prism.languages.insertBefore('pug', 'filter', all_filters);
- }(Prism));
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