update components

dashboard-ui/bower_components/prism/components/prism-core.js

@@ -89,19 +89,19 @@ var _ = _self.Prism = {
 		insertBefore: function (inside, before, insert, root) {
 			root = root || _.languages;
 			var grammar = root[inside];
-			
+
 			if (arguments.length == 2) {
 				insert = arguments[1];
-				
+
 				for (var newToken in insert) {
 					if (insert.hasOwnProperty(newToken)) {
 						grammar[newToken] = insert[newToken];
 					}
 				}
-				
+
 				return grammar;
 			}
-			
+
 			var ret = {};
 
 			for (var token in grammar) {
@@ -121,7 +121,7 @@ var _ = _self.Prism = {
 					ret[token] = grammar[token];
 				}
 			}
-			
+
 			// Update references in other language definitions
 			_.languages.DFS(_.languages, function(key, value) {
 				if (value === root[inside] && key != inside) {
@@ -152,12 +152,19 @@ var _ = _self.Prism = {
 		}
 	},
 	plugins: {},
-	
+
 	highlightAll: function(async, callback) {
-		var elements = document.querySelectorAll('code[class*="language-"], [class*="language-"] code, code[class*="lang-"], [class*="lang-"] code');
+		var env = {
+			callback: callback,
+			selector: 'code[class*="language-"], [class*="language-"] code, code[class*="lang-"], [class*="lang-"] code'
+		};
+
+		_.hooks.run("before-highlightall", env);
+
+		var elements = env.elements || document.querySelectorAll(env.selector);
 
 		for (var i=0, element; element = elements[i++];) {
-			_.highlightElement(element, async === true, callback);
+			_.highlightElement(element, async === true, env.callback);
 		}
 	},
 
@@ -193,7 +200,9 @@ var _ = _self.Prism = {
 			code: code
 		};
 
-		if (!code || !grammar) {
+		_.hooks.run('before-sanity-check', env);
+
+		if (!env.code || !env.grammar) {
 			_.hooks.run('complete', env);
 			return;
 		}
@@ -267,6 +276,7 @@ var _ = _self.Prism = {
 				var pattern = patterns[j],
 					inside = pattern.inside,
 					lookbehind = !!pattern.lookbehind,
+					greedy = !!pattern.greedy,
 					lookbehindLength = 0,
 					alias = pattern.alias;
 
@@ -287,36 +297,76 @@ var _ = _self.Prism = {
 
 					pattern.lastIndex = 0;
 
-					var match = pattern.exec(str);
+					var match = pattern.exec(str),
+					    delNum = 1;
 
-					if (match) {
-						if(lookbehind) {
-							lookbehindLength = match[1].length;
+					// Greedy patterns can override/remove up to two previously matched tokens
+					if (!match && greedy && i != strarr.length - 1) {
+						// Reconstruct the original text using the next two tokens
+						var nextToken = strarr[i + 1].matchedStr || strarr[i + 1],
+						    combStr = str + nextToken;
+
+						if (i < strarr.length - 2) {
+							combStr += strarr[i + 2].matchedStr || strarr[i + 2];
 						}
 
-						var from = match.index - 1 + lookbehindLength,
-							match = match[0].slice(lookbehindLength),
-							len = match.length,
-							to = from + len,
-							before = str.slice(0, from + 1),
-							after = str.slice(to + 1);
-
-						var args = [i, 1];
-
-						if (before) {
-							args.push(before);
+						// Try the pattern again on the reconstructed text
+						pattern.lastIndex = 0;
+						match = pattern.exec(combStr);
+						if (!match) {
+							continue;
 						}
 
-						var wrapped = new Token(token, inside? _.tokenize(match, inside) : match, alias);
-
-						args.push(wrapped);
-
-						if (after) {
-							args.push(after);
+						var from = match.index + (lookbehind ? match[1].length : 0);
+						// To be a valid candidate, the new match has to start inside of str
+						if (from >= str.length) {
+							continue;
 						}
+						var to = match.index + match[0].length,
+						    len = str.length + nextToken.length;
 
-						Array.prototype.splice.apply(strarr, args);
+						// Number of tokens to delete and replace with the new match
+						delNum = 3;
+
+						if (to <= len) {
+							if (strarr[i + 1].greedy) {
+								continue;
+							}
+							delNum = 2;
+							combStr = combStr.slice(0, len);
+						}
+						str = combStr;
 					}
+
+					if (!match) {
+						continue;
+					}
+
+					if(lookbehind) {
+						lookbehindLength = match[1].length;
+					}
+
+					var from = match.index + lookbehindLength,
+					    match = match[0].slice(lookbehindLength),
+					    to = from + match.length,
+					    before = str.slice(0, from),
+					    after = str.slice(to);
+
+					var args = [i, delNum];
+
+					if (before) {
+						args.push(before);
+					}
+
+					var wrapped = new Token(token, inside? _.tokenize(match, inside) : match, alias, match, greedy);
+
+					args.push(wrapped);
+
+					if (after) {
+						args.push(after);
+					}
+
+					Array.prototype.splice.apply(strarr, args);
 				}
 			}
 		}
@@ -349,10 +399,13 @@ var _ = _self.Prism = {
 	}
 };
 
-var Token = _.Token = function(type, content, alias) {
+var Token = _.Token = function(type, content, alias, matchedStr, greedy) {
 	this.type = type;
 	this.content = content;
 	this.alias = alias;
+	// Copy of the full string this token was created from
+	this.matchedStr = matchedStr || null;
+	this.greedy = !!greedy;
 };
 
 Token.stringify = function(o, language, parent) {