154 lines
3.5 KiB
JavaScript
154 lines
3.5 KiB
JavaScript
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/* TODO
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Handle multiline code after tag
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%foo= some |
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multiline |
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code |
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*/
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(function(Prism) {
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Prism.languages.haml = {
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// Multiline stuff should appear before the rest
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'multiline-comment': {
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pattern: /((?:^|\r?\n|\r)([\t ]*))(?:\/|-#).*(?:(?:\r?\n|\r)\2[\t ]+.+)*/,
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lookbehind: true,
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alias: 'comment'
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},
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'multiline-code': [
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{
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pattern: /((?:^|\r?\n|\r)([\t ]*)(?:[~-]|[&!]?=)).*,[\t ]*(?:(?:\r?\n|\r)\2[\t ]+.*,[\t ]*)*(?:(?:\r?\n|\r)\2[\t ]+.+)/,
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lookbehind: true,
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inside: {
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rest: Prism.languages.ruby
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}
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},
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{
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pattern: /((?:^|\r?\n|\r)([\t ]*)(?:[~-]|[&!]?=)).*\|[\t ]*(?:(?:\r?\n|\r)\2[\t ]+.*\|[\t ]*)*/,
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lookbehind: true,
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inside: {
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rest: Prism.languages.ruby
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}
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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: /((?:^|\r?\n|\r)([\t ]*)):[\w-]+(?:(?:\r?\n|\r)(?:\2[\t ]+.+|\s*?(?=\r?\n|\r)))+/,
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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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'markup': {
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pattern: /((?:^|\r?\n|\r)[\t ]*)<.+/,
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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: /((?:^|\r?\n|\r)[\t ]*)!!!(?: .+)?/,
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lookbehind: true
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},
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'tag': {
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// Allows for one nested group of braces
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pattern: /((?:^|\r?\n|\r)[\t ]*)[%.#][\w\-#.]*[\w\-](?:\([^)]+\)|\{(?:\{[^}]+\}|[^}])+\}|\[[^\]]+\])*[\/<>]*/,
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lookbehind: true,
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inside: {
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'attributes': [
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{
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// Lookbehind tries to prevent interpolations from breaking it all
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// Allows for one nested group of braces
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pattern: /(^|[^#])\{(?:\{[^}]+\}|[^}])+\}/,
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lookbehind: true,
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inside: {
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rest: Prism.languages.ruby
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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])*"|[^)\s]+)/,
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lookbehind: true
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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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pattern: /\[[^\]]+\]/,
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inside: {
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rest: Prism.languages.ruby
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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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pattern: /((?:^|\r?\n|\r)[\t ]*(?:[~-]|[&!]?=)).+/,
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lookbehind: true,
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inside: {
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rest: Prism.languages.ruby
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}
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},
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// Interpolations in plain text
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'interpolation': {
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pattern: /#\{[^}]+\}/,
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inside: {
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'delimiter': {
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pattern: /^#\{|\}$/,
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alias: 'punctuation'
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},
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rest: Prism.languages.ruby
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}
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},
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'punctuation': {
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pattern: /((?:^|\r?\n|\r)[\t ]*)[~=\-&!]+/,
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lookbehind: true
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}
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};
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var filter_pattern = '((?:^|\\r?\\n|\\r)([\\t ]*)):{{filter_name}}(?:(?:\\r?\\n|\\r)(?:\\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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'css',
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{filter:'coffee',language:'coffeescript'},
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'erb',
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'javascript',
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'less',
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'markdown',
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'ruby',
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'scss',
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'textile'
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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)),
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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('haml', 'filter', all_filters);
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}(Prism));
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