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