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110 lines
3.2 KiB
JavaScript
110 lines
3.2 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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Prism.languages.php = Prism.languages.extend('clike', {
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'keyword': /\b(and|or|xor|array|as|break|case|cfunction|class|const|continue|declare|default|die|do|else|elseif|enddeclare|endfor|endforeach|endif|endswitch|endwhile|extends|for|foreach|function|include|include_once|global|if|new|return|static|switch|use|require|require_once|var|while|abstract|interface|public|implements|private|protected|parent|throw|null|echo|print|trait|namespace|final|yield|goto|instanceof|finally|try|catch)\b/ig,
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'constant': /\b[A-Z0-9_]{2,}\b/g,
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'comment': {
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pattern: /(^|[^\\])(\/\*[\w\W]*?\*\/|(^|[^:])(\/\/).*?(\r?\n|$))/g,
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lookbehind: true
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}
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});
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// Shell-like comments are matched after strings, because they are less
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// common than strings containing hashes...
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Prism.languages.insertBefore('php', 'class-name', {
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'shell-comment': {
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pattern: /(^|[^\\])#.*?(\r?\n|$)/g,
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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', 'keyword', {
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'delimiter': /(\?>|<\?php|<\?)/ig,
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'variable': /(\$\w+)\b/ig,
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'package': {
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pattern: /(\\|namespace\s+|use\s+)[\w\\]+/g,
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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]+/g,
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lookbehind: true
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}
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});
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// Add HTML support of the markup language exists
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if (Prism.languages.markup) {
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// Tokenize all inline PHP blocks that are wrapped in <?php ?>
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// This allows for easy PHP + markup highlighting
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Prism.hooks.add('before-highlight', function(env) {
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if (env.language !== 'php') {
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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(/(?:<\?php|<\?)[\w\W]*?(?:\?>)/ig, function(match) {
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env.tokenStack.push(match);
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return '{{{PHP' + env.tokenStack.length + '}}}';
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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 === 'php') {
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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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Prism.hooks.add('after-highlight', function(env) {
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if (env.language !== 'php') {
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return;
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}
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for (var i = 0, t; t = env.tokenStack[i]; i++) {
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env.highlightedCode = env.highlightedCode.replace('{{{PHP' + (i + 1) + '}}}', Prism.highlight(t, env.grammar, 'php'));
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}
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env.element.innerHTML = env.highlightedCode;
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});
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// Wrap tokens in classes that are missing them
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Prism.hooks.add('wrap', function(env) {
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if (env.language === 'php' && env.type === 'markup') {
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env.content = env.content.replace(/(\{\{\{PHP[0-9]+\}\}\})/g, "<span class=\"token php\">$1</span>");
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}
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});
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// Add the rules before all others
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Prism.languages.insertBefore('php', 'comment', {
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'markup': {
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pattern: /<[^?]\/?(.*?)>/g,
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inside: Prism.languages.markup
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},
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'php': /\{\{\{PHP[0-9]+\}\}\}/g
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});
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}
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