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131 lines
3.6 KiB
JavaScript
131 lines
3.6 KiB
JavaScript
/**
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* Original by Aaron Harun: http://aahacreative.com/2012/07/31/php-syntax-highlighting-prism/
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* Modified by Miles Johnson: http://milesj.me
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*
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* Supports the following:
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* - Extends clike syntax
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* - Support for PHP 5.3+ (namespaces, traits, generators, etc)
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* - Smarter constant and function matching
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*
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* Adds the following new token classes:
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* constant, delimiter, variable, function, package
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*/
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(function (Prism) {
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Prism.languages.php = Prism.languages.extend('clike', {
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'keyword': /\b(?:__halt_compiler|abstract|and|array|as|break|callable|case|catch|class|clone|const|continue|declare|default|die|do|echo|else|elseif|empty|enddeclare|endfor|endforeach|endif|endswitch|endwhile|eval|exit|extends|final|finally|for|foreach|function|global|goto|if|implements|include|include_once|instanceof|insteadof|interface|isset|list|match|namespace|new|or|parent|print|private|protected|public|require|require_once|return|static|switch|throw|trait|try|unset|use|var|while|xor|yield)\b/i,
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'boolean': {
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pattern: /\b(?:false|true)\b/i,
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alias: 'constant'
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},
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'constant': [
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/\b[A-Z_][A-Z0-9_]*\b/,
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/\b(?:null)\b/i,
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],
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'comment': {
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pattern: /(^|[^\\])(?:\/\*[\s\S]*?\*\/|\/\/.*)/,
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lookbehind: true
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}
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});
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Prism.languages.insertBefore('php', 'string', {
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'shell-comment': {
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pattern: /(^|[^\\])#.*/,
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lookbehind: true,
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alias: 'comment'
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}
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});
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Prism.languages.insertBefore('php', 'comment', {
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'delimiter': {
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pattern: /\?>$|^<\?(?:php(?=\s)|=)?/i,
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alias: 'important'
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}
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});
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Prism.languages.insertBefore('php', 'keyword', {
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'variable': /\$+(?:\w+\b|(?={))/i,
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'package': {
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pattern: /(\\|namespace\s+|use\s+)[\w\\]+/,
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lookbehind: true,
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inside: {
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punctuation: /\\/
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}
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}
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});
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// Must be defined after the function pattern
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Prism.languages.insertBefore('php', 'operator', {
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'property': {
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pattern: /(->)[\w]+/,
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lookbehind: true
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}
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});
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var string_interpolation = {
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pattern: /{\$(?:{(?:{[^{}]+}|[^{}]+)}|[^{}])+}|(^|[^\\{])\$+(?:\w+(?:\[[^\r\n\[\]]+\]|->\w+)*)/,
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lookbehind: true,
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inside: Prism.languages.php
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};
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Prism.languages.insertBefore('php', 'string', {
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'nowdoc-string': {
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pattern: /<<<'([^']+)'[\r\n](?:.*[\r\n])*?\1;/,
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greedy: true,
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alias: 'string',
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inside: {
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'delimiter': {
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pattern: /^<<<'[^']+'|[a-z_]\w*;$/i,
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alias: 'symbol',
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inside: {
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'punctuation': /^<<<'?|[';]$/
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}
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}
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}
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},
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'heredoc-string': {
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pattern: /<<<(?:"([^"]+)"[\r\n](?:.*[\r\n])*?\1;|([a-z_]\w*)[\r\n](?:.*[\r\n])*?\2;)/i,
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greedy: true,
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alias: 'string',
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inside: {
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'delimiter': {
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pattern: /^<<<(?:"[^"]+"|[a-z_]\w*)|[a-z_]\w*;$/i,
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alias: 'symbol',
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inside: {
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'punctuation': /^<<<"?|[";]$/
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}
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},
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'interpolation': string_interpolation // See below
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}
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},
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'single-quoted-string': {
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pattern: /'(?:\\[\s\S]|[^\\'])*'/,
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greedy: true,
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alias: 'string'
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},
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'double-quoted-string': {
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pattern: /"(?:\\[\s\S]|[^\\"])*"/,
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greedy: true,
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alias: 'string',
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inside: {
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'interpolation': string_interpolation // See below
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}
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}
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});
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// The different types of PHP strings "replace" the C-like standard string
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delete Prism.languages.php['string'];
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Prism.hooks.add('before-tokenize', function(env) {
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if (!/<\?/.test(env.code)) {
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return;
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}
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var phpPattern = /<\?(?:[^"'/#]|\/(?![*/])|("|')(?:\\[\s\S]|(?!\1)[^\\])*\1|(?:\/\/|#)(?:[^?\n\r]|\?(?!>))*(?=$|\?>|[\r\n])|\/\*[\s\S]*?(?:\*\/|$))*?(?:\?>|$)/ig;
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Prism.languages['markup-templating'].buildPlaceholders(env, 'php', phpPattern);
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});
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Prism.hooks.add('after-tokenize', function(env) {
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Prism.languages['markup-templating'].tokenizePlaceholders(env, 'php');
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});
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}(Prism));
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