137 lines
3.3 KiB
JavaScript
137 lines
3.3 KiB
JavaScript
/* TODO
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Add support for variables inside double quoted strings
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Add support for {php}
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*/
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(function(Prism) {
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var smarty_pattern = /\{\*[\s\S]+?\*\}|\{[\s\S]+?\}/g;
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var smarty_litteral_start = '{literal}';
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var smarty_litteral_end = '{/literal}';
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var smarty_litteral_mode = false;
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Prism.languages.smarty = Prism.languages.extend('markup', {
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'smarty': {
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pattern: smarty_pattern,
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inside: {
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'delimiter': {
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pattern: /^\{|\}$/i,
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alias: 'punctuation'
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},
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'string': /(["'])(?:\\.|(?!\1)[^\\\r\n])*\1/,
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'number': /\b-?(?:0x[\dA-Fa-f]+|\d*\.?\d+(?:[Ee][-+]?\d+)?)\b/,
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'variable': [
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/\$(?!\d)\w+/,
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/#(?!\d)\w+#/,
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{
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pattern: /(\.|->)(?!\d)\w+/,
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lookbehind: true
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},
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{
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pattern: /(\[)(?!\d)\w+(?=\])/,
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lookbehind: true
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}
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],
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'function': [
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{
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pattern: /(\|\s*)@?(?!\d)\w+/,
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lookbehind: true
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},
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/^\/?(?!\d)\w+/,
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/(?!\d)\w+(?=\()/
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],
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'attr-name': {
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// Value is made optional because it may have already been tokenized
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pattern: /\w+\s*=\s*(?:(?!\d)\w+)?/,
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inside: {
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"variable": {
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pattern: /(=\s*)(?!\d)\w+/,
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lookbehind: true
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},
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"operator": /=/
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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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'operator': [
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/[+\-*\/%]|==?=?|[!<>]=?|&&|\|\|?/,
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/\bis\s+(?:not\s+)?(?:div|even|odd)(?:\s+by)?\b/,
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/\b(?:eq|neq?|gt|lt|gt?e|lt?e|not|mod|or|and)\b/
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],
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'keyword': /\b(?:false|off|on|no|true|yes)\b/
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}
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}
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});
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// Comments are inserted at top so that they can
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// surround markup
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Prism.languages.insertBefore('smarty', 'tag', {
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'smarty-comment': {
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pattern: /\{\*[\s\S]*?\*\}/,
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alias: ['smarty','comment']
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}
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});
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// Tokenize all inline Smarty expressions
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Prism.hooks.add('before-highlight', function(env) {
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if (env.language !== 'smarty') {
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return;
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}
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env.tokenStack = [];
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env.backupCode = env.code;
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env.code = env.code.replace(smarty_pattern, function(match) {
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// Smarty tags inside {literal} block are ignored
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if(match === smarty_litteral_end) {
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smarty_litteral_mode = false;
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}
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if(!smarty_litteral_mode) {
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if(match === smarty_litteral_start) {
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smarty_litteral_mode = true;
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}
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var i = env.tokenStack.length;
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// Check for existing strings
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while (env.backupCode.indexOf('___SMARTY' + i + '___') !== -1)
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++i;
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// Create a sparse array
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env.tokenStack[i] = match;
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return '___SMARTY' + i + '___';
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}
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return match;
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});
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});
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// Restore env.code for other plugins (e.g. line-numbers)
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Prism.hooks.add('before-insert', function(env) {
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if (env.language === 'smarty') {
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env.code = env.backupCode;
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delete env.backupCode;
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}
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});
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// Re-insert the tokens after highlighting
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// and highlight them with defined grammar
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Prism.hooks.add('after-highlight', function(env) {
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if (env.language !== 'smarty') {
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return;
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}
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for (var i = 0, keys = Object.keys(env.tokenStack); i < keys.length; ++i) {
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var k = keys[i];
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var t = env.tokenStack[k];
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// The replace prevents $$, $&, $`, $', $n, $nn from being interpreted as special patterns
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env.highlightedCode = env.highlightedCode.replace('___SMARTY' + k + '___', Prism.highlight(t, env.grammar, 'smarty').replace(/\$/g, '$$$$'));
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}
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env.element.innerHTML = env.highlightedCode;
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});
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}(Prism)); |