Merge pull request #409 from Golmote/gh-pages

Added Handlebars language

components.js

@@ -191,17 +191,21 @@ var components = {
 			"title": "Git",
 			"owner": "lgiraudel"
 		},
-	        "scheme" : {
-		        "title": "Scheme",
-		        "owner" : "bacchus123"
-	        },
+		"scheme" : {
+			"title": "Scheme",
+			"owner" : "bacchus123"
+		},
 		"nasm": {
 			"title": "nasm",
 			"owner": "rbmj"
 		},
 		"perl": {
 			"title": "Perl",
 			"owner": "Golmote"
+		},
+		"handlebars": {
+			"title": "Handlebars",
+			"owner": "Golmote"
 		}
 	},
 	"plugins": {

components/prism-handlebars.js

@@ -0,0 +1,92 @@
+Prism.languages.handlebars = {
+	'expression': {
+		pattern: /\{\{\{[\w\W]+?\}\}\}|\{\{[\w\W]+?\}\}/g,
+		inside: {
+			'comment': {
+				pattern: /(\{\{)![\w\W]*(?=\}\})/g,
+				lookbehind: true
+			},
+			'delimiter': {
+				pattern: /^\{\{\{?|\}\}\}?$/ig,
+				alias: 'punctuation'
+			},
+			'string': /(["'])(\\?.)+?\1/g,
+			'number': /\b-?(0x[\dA-Fa-f]+|\d*\.?\d+([Ee]-?\d+)?)\b/g,
+			'boolean': /\b(true|false)\b/g,
+			'block': {
+				pattern: /^(\s*~?\s*)[#\/]\w+/ig,
+				lookbehind: true,
+				alias: 'keyword'
+			},
+			'brackets': {
+				pattern: /\[[^\]]+\]/,
+				inside: {
+					punctuation: /\[|\]/g,
+					variable: /[\w\W]+/g
+				}
+			},
+			'punctuation': /[!"#%&'()*+,.\/;<=>@\[\\\]^`{|}~]/g,
+			'variable': /[^!"#%&'()*+,.\/;<=>@\[\\\]^`{|}~]+/g
+		}
+	}
+};
+
+if (Prism.languages.markup) {
+
+	// Tokenize all inline Handlebars expressions that are wrapped in {{ }} or {{{ }}}
+	// This allows for easy Handlebars + markup highlighting
+	Prism.hooks.add('before-highlight', function(env) {
+		console.log(env.language);
+		if (env.language !== 'handlebars') {
+			return;
+		}
+
+		env.tokenStack = [];
+
+		env.backupCode = env.code;
+		env.code = env.code.replace(/\{\{\{[\w\W]+?\}\}\}|\{\{[\w\W]+?\}\}/ig, function(match) {
+			console.log(match);
+			env.tokenStack.push(match);
+
+			return '___HANDLEBARS' + env.tokenStack.length + '___';
+		});
+	});
+
+	// Restore env.code for other plugins (e.g. line-numbers)
+	Prism.hooks.add('before-insert', function(env) {
+		if (env.language === 'handlebars') {
+			env.code = env.backupCode;
+			delete env.backupCode;
+		}
+	});
+
+	// Re-insert the tokens after highlighting
+	Prism.hooks.add('after-highlight', function(env) {
+		if (env.language !== 'handlebars') {
+			return;
+		}
+
+		for (var i = 0, t; t = env.tokenStack[i]; i++) {
+			env.highlightedCode = env.highlightedCode.replace('___HANDLEBARS' + (i + 1) + '___', Prism.highlight(t, env.grammar, 'handlebars'));
+		}
+
+		env.element.innerHTML = env.highlightedCode;
+	});
+
+	// Wrap tokens in classes that are missing them
+	Prism.hooks.add('wrap', function(env) {
+		if (env.language === 'handlebars' && env.type === 'markup') {
+			env.content = env.content.replace(/(___HANDLEBARS[0-9]+___)/g, "<span class=\"token handlebars\">$1</span>");
+		}
+	});
+
+	// Add the rules before all others
+	Prism.languages.insertBefore('handlebars', 'expression', {
+		'markup': {
+			pattern: /<[^?]\/?(.*?)>/g,
+			inside: Prism.languages.markup
+		},
+		'handlebars': /___HANDLEBARS[0-9]+___/g
+	});
+}
+