Add Prism syntax highlighting in view source modewip/prism

It's MIT licensed. Thanks Prism developers! https://bugzilla.gnome.org/show_bug.cgi?id=738475
author: Michael Catanzaro <mcatanzaro@gnome.org> 2016-09-11 18:30:35 -0500
committer: Michael Catanzaro <mcatanzaro@gnome.org> 2016-09-11 18:56:43 -0500
commit: cb67d3991b75f7f42a7bfc6c81953080317d8342 (patch)
tree: f7e05e65d598649e8df0e2c8f66a2a4c5ac4da16
parent: 929b0c8f36bce86ef7bb866e105607b6514f4b91 (diff)
download: epiphany-wip/prism.tar.gz
5 files changed, 938 insertions, 5 deletions
diff --git a/embed/ephy-view-source-handler.c b/embed/ephy-view-source-handler.c
index 8be34b7ff..4e58ce0b4 100644
--- a/embed/ephy-view-source-handler.c
+++ b/embed/ephy-view-source-handler.c
@@ -123,9 +123,14 @@ web_resource_data_cb (WebKitWebResource     *resource,
   escaped_str = g_markup_escape_text (data_str, -1);
   g_free (data_str);
 
-  html = g_strdup_printf ("<body>"
-                            "<pre>"
-                              "<code class=\"language-html\">%s</code>"
+  html = g_strdup_printf ("<head>"
+                            "<link href=\"ephy-resource:///org/gnome/epiphany/prism.css\" rel=\"stylesheet\"/>"
+                          "</head>"
+                          "<body>"
+                            "<script src=\"ephy-resource:///org/gnome/epiphany/prism.js\"></script>"
+                            /* http://prismjs.com/plugins/line-numbers/ */
+                            "<pre class=\"line-numbers\">"
+                              "<code class=\"language-markup\">%s</code>"
                             "</pre>"
                           "</body>",
                           escaped_str);
diff --git a/src/Makefile.am b/src/Makefile.am
index 7b88a185a..eb2b0e2a4 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -121,14 +121,16 @@ RESOURCE_FILES = \
 	resources/epiphany-bookmark-editor-ui.xml \
 	resources/epiphany.css                    \
 	resources/error.html			  \
+	resources/gtk/menus.ui			  \
 	resources/history-dialog.ui		  \
 	resources/incognito.png                   \
 	resources/missing-thumbnail.png		  \
 	resources/passwords-dialog.ui		  \
 	resources/prefs-dialog.ui		  \
 	resources/prefs-lang-dialog.ui		  \
-	resources/shortcuts-dialog.ui		  \
-	resources/gtk/menus.ui
+	resources/prism.css			  \
+	resources/prism.js			  \
+	resources/shortcuts-dialog.ui
 
 epiphany-resources.c: epiphany.gresource.xml $(RESOURCE_FILES)
 	$(AM_V_GEN) glib-compile-resources --target=$@ --sourcedir=$(srcdir)/resources --generate-source --c-name epiphany $(srcdir)/epiphany.gresource.xml
diff --git a/src/epiphany.gresource.xml b/src/epiphany.gresource.xml
index d3bc0bbb4..5f60f4e77 100644
--- a/src/epiphany.gresource.xml
+++ b/src/epiphany.gresource.xml
@@ -21,5 +21,7 @@
     <file>channel-insecure-symbolic.png</file>
     <file>computer-fail-symbolic.png</file>
     <file alias="page-templates/about.css" compressed="true">about.css</file>
+    <file compressed="true">prism.css</file>
+    <file compressed="true">prism.js</file>
   </gresource>
 </gresources>
diff --git a/src/resources/prism.css b/src/resources/prism.css
new file mode 100644
index 000000000..7dc9a0a3d
--- /dev/null
+++ b/src/resources/prism.css
@@ -0,0 +1,179 @@
+/* http://prismjs.com/download.html?themes=prism&languages=markup+css+clike+javascript&plugins=line-numbers */
+/**
+ * prism.js default theme for JavaScript, CSS and HTML
+ * Based on dabblet (http://dabblet.com)
+ * @author Lea Verou
+ */
+
+code[class*="language-"],
+pre[class*="language-"] {
+	color: black;
+	background: none;
+	text-shadow: 0 1px white;
+	font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
+	text-align: left;
+	white-space: pre;
+	word-spacing: normal;
+	word-break: normal;
+	word-wrap: normal;
+	line-height: 1.5;
+
+	-moz-tab-size: 4;
+	-o-tab-size: 4;
+	tab-size: 4;
+
+	-webkit-hyphens: none;
+	-moz-hyphens: none;
+	-ms-hyphens: none;
+	hyphens: none;
+}
+
+pre[class*="language-"]::-moz-selection, pre[class*="language-"] ::-moz-selection,
+code[class*="language-"]::-moz-selection, code[class*="language-"] ::-moz-selection {
+	text-shadow: none;
+	background: #b3d4fc;
+}
+
+pre[class*="language-"]::selection, pre[class*="language-"] ::selection,
+code[class*="language-"]::selection, code[class*="language-"] ::selection {
+	text-shadow: none;
+	background: #b3d4fc;
+}
+
+@media print {
+	code[class*="language-"],
+	pre[class*="language-"] {
+		text-shadow: none;
+	}
+}
+
+/* Code blocks */
+pre[class*="language-"] {
+	padding: 1em;
+	margin: .5em 0;
+	overflow: auto;
+}
+
+:not(pre) > code[class*="language-"],
+pre[class*="language-"] {
+	background: #f5f2f0;
+}
+
+/* Inline code */
+:not(pre) > code[class*="language-"] {
+	padding: .1em;
+	border-radius: .3em;
+	white-space: normal;
+}
+
+.token.comment,
+.token.prolog,
+.token.doctype,
+.token.cdata {
+	color: slategray;
+}
+
+.token.punctuation {
+	color: #999;
+}
+
+.namespace {
+	opacity: .7;
+}
+
+.token.property,
+.token.tag,
+.token.boolean,
+.token.number,
+.token.constant,
+.token.symbol,
+.token.deleted {
+	color: #905;
+}
+
+.token.selector,
+.token.attr-name,
+.token.string,
+.token.char,
+.token.builtin,
+.token.inserted {
+	color: #690;
+}
+
+.token.operator,
+.token.entity,
+.token.url,
+.language-css .token.string,
+.style .token.string {
+	color: #a67f59;
+	background: hsla(0, 0%, 100%, .5);
+}
+
+.token.atrule,
+.token.attr-value,
+.token.keyword {
+	color: #07a;
+}
+
+.token.function {
+	color: #DD4A68;
+}
+
+.token.regex,
+.token.important,
+.token.variable {
+	color: #e90;
+}
+
+.token.important,
+.token.bold {
+	font-weight: bold;
+}
+.token.italic {
+	font-style: italic;
+}
+
+.token.entity {
+	cursor: help;
+}
+
+pre.line-numbers {
+	position: relative;
+	padding-left: 3.8em;
+	counter-reset: linenumber;
+}
+
+pre.line-numbers > code {
+	position: relative;
+}
+
+.line-numbers .line-numbers-rows {
+	position: absolute;
+	pointer-events: none;
+	top: 0;
+	font-size: 100%;
+	left: -3.8em;
+	width: 3em; /* works for line-numbers below 1000 lines */
+	letter-spacing: -1px;
+	border-right: 1px solid #999;
+
+	-webkit-user-select: none;
+	-moz-user-select: none;
+	-ms-user-select: none;
+	user-select: none;
+
+}
+
+	.line-numbers-rows > span {
+		pointer-events: none;
+		display: block;
+		counter-increment: linenumber;
+	}
+
+		.line-numbers-rows > span:before {
+			content: counter(linenumber);
+			color: #999;
+			display: block;
+			padding-right: 0.8em;
+			text-align: right;
+		}
diff --git a/src/resources/prism.js b/src/resources/prism.js
new file mode 100644
index 000000000..875c8320a
--- /dev/null
+++ b/src/resources/prism.js
@@ -0,0 +1,745 @@
+/* http://prismjs.com/download.html?themes=prism&languages=markup+css+clike+javascript&plugins=line-numbers */
+var _self = (typeof window !== 'undefined')
+	? window   // if in browser
+	: (
+		(typeof WorkerGlobalScope !== 'undefined' && self instanceof WorkerGlobalScope)
+		? self // if in worker
+		: {}   // if in node js
+	);
+
+/**
+ * Prism: Lightweight, robust, elegant syntax highlighting
+ * MIT license http://www.opensource.org/licenses/mit-license.php/
+ * @author Lea Verou http://lea.verou.me
+ */
+
+var Prism = (function(){
+
+// Private helper vars
+var lang = /\blang(?:uage)?-(\w+)\b/i;
+var uniqueId = 0;
+
+var _ = _self.Prism = {
+	util: {
+		encode: function (tokens) {
+			if (tokens instanceof Token) {
+				return new Token(tokens.type, _.util.encode(tokens.content), tokens.alias);
+			} else if (_.util.type(tokens) === 'Array') {
+				return tokens.map(_.util.encode);
+			} else {
+				return tokens.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/\u00a0/g, ' ');
+			}
+		},
+
+		type: function (o) {
+			return Object.prototype.toString.call(o).match(/\[object (\w+)\]/)[1];
+		},
+
+		objId: function (obj) {
+			if (!obj['__id']) {
+				Object.defineProperty(obj, '__id', { value: ++uniqueId });
+			}
+			return obj['__id'];
+		},
+
+		// Deep clone a language definition (e.g. to extend it)
+		clone: function (o) {
+			var type = _.util.type(o);
+
+			switch (type) {
+				case 'Object':
+					var clone = {};
+
+					for (var key in o) {
+						if (o.hasOwnProperty(key)) {
+							clone[key] = _.util.clone(o[key]);
+						}
+					}
+
+					return clone;
+
+				case 'Array':
+					// Check for existence for IE8
+					return o.map && o.map(function(v) { return _.util.clone(v); });
+			}
+
+			return o;
+		}
+	},
+
+	languages: {
+		extend: function (id, redef) {
+			var lang = _.util.clone(_.languages[id]);
+
+			for (var key in redef) {
+				lang[key] = redef[key];
+			}
+
+			return lang;
+		},
+
+		/**
+		 * Insert a token before another token in a language literal
+		 * As this needs to recreate the object (we cannot actually insert before keys in object literals),
+		 * we cannot just provide an object, we need anobject and a key.
+		 * @param inside The key (or language id) of the parent
+		 * @param before The key to insert before. If not provided, the function appends instead.
+		 * @param insert Object with the key/value pairs to insert
+		 * @param root The object that contains `inside`. If equal to Prism.languages, it can be omitted.
+		 */
+		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) {
+
+				if (grammar.hasOwnProperty(token)) {
+
+					if (token == before) {
+
+						for (var newToken in insert) {
+
+							if (insert.hasOwnProperty(newToken)) {
+								ret[newToken] = insert[newToken];
+							}
+						}
+					}
+
+					ret[token] = grammar[token];
+				}
+			}
+
+			// Update references in other language definitions
+			_.languages.DFS(_.languages, function(key, value) {
+				if (value === root[inside] && key != inside) {
+					this[key] = ret;
+				}
+			});
+
+			return root[inside] = ret;
+		},
+
+		// Traverse a language definition with Depth First Search
+		DFS: function(o, callback, type, visited) {
+			visited = visited || {};
+			for (var i in o) {
+				if (o.hasOwnProperty(i)) {
+					callback.call(o, i, o[i], type || i);
+
+					if (_.util.type(o[i]) === 'Object' && !visited[_.util.objId(o[i])]) {
+						visited[_.util.objId(o[i])] = true;
+						_.languages.DFS(o[i], callback, null, visited);
+					}
+					else if (_.util.type(o[i]) === 'Array' && !visited[_.util.objId(o[i])]) {
+						visited[_.util.objId(o[i])] = true;
+						_.languages.DFS(o[i], callback, i, visited);
+					}
+				}
+			}
+		}
+	},
+	plugins: {},
+
+	highlightAll: function(async, callback) {
+		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, env.callback);
+		}
+	},
+
+	highlightElement: function(element, async, callback) {
+		// Find language
+		var language, grammar, parent = element;
+
+		while (parent && !lang.test(parent.className)) {
+			parent = parent.parentNode;
+		}
+
+		if (parent) {
+			language = (parent.className.match(lang) || [,''])[1].toLowerCase();
+			grammar = _.languages[language];
+		}
+
+		// Set language on the element, if not present
+		element.className = element.className.replace(lang, '').replace(/\s+/g, ' ') + ' language-' + language;
+
+		// Set language on the parent, for styling
+		parent = element.parentNode;
+
+		if (/pre/i.test(parent.nodeName)) {
+			parent.className = parent.className.replace(lang, '').replace(/\s+/g, ' ') + ' language-' + language;
+		}
+
+		var code = element.textContent;
+
+		var env = {
+			element: element,
+			language: language,
+			grammar: grammar,
+			code: code
+		};
+
+		_.hooks.run('before-sanity-check', env);
+
+		if (!env.code || !env.grammar) {
+			_.hooks.run('complete', env);
+			return;
+		}
+
+		_.hooks.run('before-highlight', env);
+
+		if (async && _self.Worker) {
+			var worker = new Worker(_.filename);
+
+			worker.onmessage = function(evt) {
+				env.highlightedCode = evt.data;
+
+				_.hooks.run('before-insert', env);
+
+				env.element.innerHTML = env.highlightedCode;
+
+				callback && callback.call(env.element);
+				_.hooks.run('after-highlight', env);
+				_.hooks.run('complete', env);
+			};
+
+			worker.postMessage(JSON.stringify({
+				language: env.language,
+				code: env.code,
+				immediateClose: true
+			}));
+		}
+		else {
+			env.highlightedCode = _.highlight(env.code, env.grammar, env.language);
+
+			_.hooks.run('before-insert', env);
+
+			env.element.innerHTML = env.highlightedCode;
+
+			callback && callback.call(element);
+
+			_.hooks.run('after-highlight', env);
+			_.hooks.run('complete', env);
+		}
+	},
+
+	highlight: function (text, grammar, language) {
+		var tokens = _.tokenize(text, grammar);
+		return Token.stringify(_.util.encode(tokens), language);
+	},
+
+	tokenize: function(text, grammar, language) {
+		var Token = _.Token;
+
+		var strarr = [text];
+
+		var rest = grammar.rest;
+
+		if (rest) {
+			for (var token in rest) {
+				grammar[token] = rest[token];
+			}
+
+			delete grammar.rest;
+		}
+
+		tokenloop: for (var token in grammar) {
+			if(!grammar.hasOwnProperty(token) || !grammar[token]) {
+				continue;
+			}
+
+			var patterns = grammar[token];
+			patterns = (_.util.type(patterns) === "Array") ? patterns : [patterns];
+
+			for (var j = 0; j < patterns.length; ++j) {
+				var pattern = patterns[j],
+					inside = pattern.inside,
+					lookbehind = !!pattern.lookbehind,
+					greedy = !!pattern.greedy,
+					lookbehindLength = 0,
+					alias = pattern.alias;
+
+				if (greedy && !pattern.pattern.global) {
+					// Without the global flag, lastIndex won't work
+					var flags = pattern.pattern.toString().match(/[imuy]*$/)[0];
+					pattern.pattern = RegExp(pattern.pattern.source, flags + "g");
+				}
+
+				pattern = pattern.pattern || pattern;
+
+				// Don’t cache length as it changes during the loop
+				for (var i=0, pos = 0; i<strarr.length; pos += (strarr[i].matchedStr || strarr[i]).length, ++i) {
+
+					var str = strarr[i];
+
+					if (strarr.length > text.length) {
+						// Something went terribly wrong, ABORT, ABORT!
+						break tokenloop;
+					}
+
+					if (str instanceof Token) {
+						continue;
+					}
+
+					pattern.lastIndex = 0;
+
+					var match = pattern.exec(str),
+					    delNum = 1;
+
+					// Greedy patterns can override/remove up to two previously matched tokens
+					if (!match && greedy && i != strarr.length - 1) {
+						pattern.lastIndex = pos;
+						match = pattern.exec(text);
+						if (!match) {
+							break;
+						}
+
+						var from = match.index + (lookbehind ? match[1].length : 0),
+						    to = match.index + match[0].length,
+						    k = i,
+						    p = pos;
+
+						for (var len = strarr.length; k < len && p < to; ++k) {
+							p += (strarr[k].matchedStr || strarr[k]).length;
+							// Move the index i to the element in strarr that is closest to from
+							if (from >= p) {
+								++i;
+								pos = p;
+							}
+						}
+
+						/*
+						 * If strarr[i] is a Token, then the match starts inside another Token, which is invalid
+						 * If strarr[k - 1] is greedy we are in conflict with another greedy pattern
+						 */
+						if (strarr[i] instanceof Token || strarr[k - 1].greedy) {
+							continue;
+						}
+
+						// Number of tokens to delete and replace with the new match
+						delNum = k - i;
+						str = text.slice(pos, p);
+						match.index -= pos;
+					}
+
+					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);
+				}
+			}
+		}
+
+		return strarr;
+	},
+
+	hooks: {
+		all: {},
+
+		add: function (name, callback) {
+			var hooks = _.hooks.all;
+
+			hooks[name] = hooks[name] || [];
+
+			hooks[name].push(callback);
+		},
+
+		run: function (name, env) {
+			var callbacks = _.hooks.all[name];
+
+			if (!callbacks || !callbacks.length) {
+				return;
+			}
+
+			for (var i=0, callback; callback = callbacks[i++];) {
+				callback(env);
+			}
+		}
+	}
+};
+
+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) {
+	if (typeof o == 'string') {
+		return o;
+	}
+
+	if (_.util.type(o) === 'Array') {
+		return o.map(function(element) {
+			return Token.stringify(element, language, o);
+		}).join('');
+	}
+
+	var env = {
+		type: o.type,
+		content: Token.stringify(o.content, language, parent),
+		tag: 'span',
+		classes: ['token', o.type],
+		attributes: {},
+		language: language,
+		parent: parent
+	};
+
+	if (env.type == 'comment') {
+		env.attributes['spellcheck'] = 'true';
+	}
+
+	if (o.alias) {
+		var aliases = _.util.type(o.alias) === 'Array' ? o.alias : [o.alias];
+		Array.prototype.push.apply(env.classes, aliases);
+	}
+
+	_.hooks.run('wrap', env);
+
+	var attributes = '';
+
+	for (var name in env.attributes) {
+		attributes += (attributes ? ' ' : '') + name + '="' + (env.attributes[name] || '') + '"';
+	}
+
+	return '<' + env.tag + ' class="' + env.classes.join(' ') + '"' + (attributes ? ' ' + attributes : '') + '>' + env.content + '</' + env.tag + '>';
+
+};
+
+if (!_self.document) {
+	if (!_self.addEventListener) {
+		// in Node.js
+		return _self.Prism;
+	}
+ 	// In worker
+	_self.addEventListener('message', function(evt) {
+		var message = JSON.parse(evt.data),
+		    lang = message.language,
+		    code = message.code,
+		    immediateClose = message.immediateClose;
+
+		_self.postMessage(_.highlight(code, _.languages[lang], lang));
+		if (immediateClose) {
+			_self.close();
+		}
+	}, false);
+
+	return _self.Prism;
+}
+
+//Get current script and highlight
+var script = document.currentScript || [].slice.call(document.getElementsByTagName("script")).pop();
+
+if (script) {
+	_.filename = script.src;
+
+	if (document.addEventListener && !script.hasAttribute('data-manual')) {
+		if(document.readyState !== "loading") {
+			if (window.requestAnimationFrame) {
+				window.requestAnimationFrame(_.highlightAll);
+			} else {
+				window.setTimeout(_.highlightAll, 16);
+			}
+		}
+		else {
+			document.addEventListener('DOMContentLoaded', _.highlightAll);
+		}
+	}
+}
+
+return _self.Prism;
+
+})();
+
+if (typeof module !== 'undefined' && module.exports) {
+	module.exports = Prism;
+}
+
+// hack for components to work correctly in node.js
+if (typeof global !== 'undefined') {
+	global.Prism = Prism;
+}
+;
+Prism.languages.markup = {
+	'comment': /<!--[\w\W]*?-->/,
+	'prolog': /<\?[\w\W]+?\?>/,
+	'doctype': /<!DOCTYPE[\w\W]+?>/i,
+	'cdata': /<!\[CDATA\[[\w\W]*?]]>/i,
+	'tag': {
+		pattern: /<\/?(?!\d)[^\s>\/=$<]+(?:\s+[^\s>\/=]+(?:=(?:("|')(?:\\\1|\\?(?!\1)[\w\W])*\1|[^\s'">=]+))?)*\s*\/?>/i,
+		inside: {
+			'tag': {
+				pattern: /^<\/?[^\s>\/]+/i,
+				inside: {
+					'punctuation': /^<\/?/,
+					'namespace': /^[^\s>\/:]+:/
+				}
+			},
+			'attr-value': {
+				pattern: /=(?:('|")[\w\W]*?(\1)|[^\s>]+)/i,
+				inside: {
+					'punctuation': /[=>"']/
+				}
+			},
+			'punctuation': /\/?>/,
+			'attr-name': {
+				pattern: /[^\s>\/]+/,
+				inside: {
+					'namespace': /^[^\s>\/:]+:/
+				}
+			}
+
+		}
+	},
+	'entity': /&#?[\da-z]{1,8};/i
+};
+
+// Plugin to make entity title show the real entity, idea by Roman Komarov
+Prism.hooks.add('wrap', function(env) {
+
+	if (env.type === 'entity') {
+		env.attributes['title'] = env.content.replace(/&amp;/, '&');
+	}
+});
+
+Prism.languages.xml = Prism.languages.markup;
+Prism.languages.html = Prism.languages.markup;
+Prism.languages.mathml = Prism.languages.markup;
+Prism.languages.svg = Prism.languages.markup;
+
+Prism.languages.css = {
+	'comment': /\/\*[\w\W]*?\*\//,
+	'atrule': {
+		pattern: /@[\w-]+?.*?(;|(?=\s*\{))/i,
+		inside: {
+			'rule': /@[\w-]+/
+			// See rest below
+		}
+	},
+	'url': /url\((?:(["'])(\\(?:\r\n|[\w\W])|(?!\1)[^\\\r\n])*\1|.*?)\)/i,
+	'selector': /[^\{\}\s][^\{\};]*?(?=\s*\{)/,
+	'string': {
+		pattern: /("|')(\\(?:\r\n|[\w\W])|(?!\1)[^\\\r\n])*\1/,
+		greedy: true
+	},
+	'property': /(\b|\B)[\w-]+(?=\s*:)/i,
+	'important': /\B!important\b/i,
+	'function': /[-a-z0-9]+(?=\()/i,
+	'punctuation': /[(){};:]/
+};
+
+Prism.languages.css['atrule'].inside.rest = Prism.util.clone(Prism.languages.css);
+
+if (Prism.languages.markup) {
+	Prism.languages.insertBefore('markup', 'tag', {
+		'style': {
+			pattern: /(<style[\w\W]*?>)[\w\W]*?(?=<\/style>)/i,
+			lookbehind: true,
+			inside: Prism.languages.css,
+			alias: 'language-css'
+		}
+	});
+	
+	Prism.languages.insertBefore('inside', 'attr-value', {
+		'style-attr': {
+			pattern: /\s*style=("|').*?\1/i,
+			inside: {
+				'attr-name': {
+					pattern: /^\s*style/i,
+					inside: Prism.languages.markup.tag.inside
+				},
+				'punctuation': /^\s*=\s*['"]|['"]\s*$/,
+				'attr-value': {
+					pattern: /.+/i,
+					inside: Prism.languages.css
+				}
+			},
+			alias: 'language-css'
+		}
+	}, Prism.languages.markup.tag);
+};
+Prism.languages.clike = {
+	'comment': [
+		{
+			pattern: /(^|[^\\])\/\*[\w\W]*?\*\//,
+			lookbehind: true
+		},
+		{
+			pattern: /(^|[^\\:])\/\/.*/,
+			lookbehind: true
+		}
+	],
+	'string': {
+		pattern: /(["'])(\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/,
+		greedy: true
+	},
+	'class-name': {
+		pattern: /((?:\b(?:class|interface|extends|implements|trait|instanceof|new)\s+)|(?:catch\s+\())[a-z0-9_\.\\]+/i,
+		lookbehind: true,
+		inside: {
+			punctuation: /(\.|\\)/
+		}
+	},
+	'keyword': /\b(if|else|while|do|for|return|in|instanceof|function|new|try|throw|catch|finally|null|break|continue)\b/,
+	'boolean': /\b(true|false)\b/,
+	'function': /[a-z0-9_]+(?=\()/i,
+	'number': /\b-?(?:0x[\da-f]+|\d*\.?\d+(?:e[+-]?\d+)?)\b/i,
+	'operator': /--?|\+\+?|!=?=?|<=?|>=?|==?=?|&&?|\|\|?|\?|\*|\/|~|\^|%/,
+	'punctuation': /[{}[\];(),.:]/
+};
+
+Prism.languages.javascript = Prism.languages.extend('clike', {
+	'keyword': /\b(as|async|await|break|case|catch|class|const|continue|debugger|default|delete|do|else|enum|export|extends|finally|for|from|function|get|if|implements|import|in|instanceof|interface|let|new|null|of|package|private|protected|public|return|set|static|super|switch|this|throw|try|typeof|var|void|while|with|yield)\b/,
+	'number': /\b-?(0x[\dA-Fa-f]+|0b[01]+|0o[0-7]+|\d*\.?\d+([Ee][+-]?\d+)?|NaN|Infinity)\b/,
+	// Allow for all non-ASCII characters (See http://stackoverflow.com/a/2008444)
+	'function': /[_$a-zA-Z\xA0-\uFFFF][_$a-zA-Z0-9\xA0-\uFFFF]*(?=\()/i,
+	'operator': /--?|\+\+?|!=?=?|<=?|>=?|==?=?|&&?|\|\|?|\?|\*\*?|\/|~|\^|%|\.{3}/
+});
+
+Prism.languages.insertBefore('javascript', 'keyword', {
+	'regex': {
+		pattern: /(^|[^/])\/(?!\/)(\[.+?]|\\.|[^/\\\r\n])+\/[gimyu]{0,5}(?=\s*($|[\r\n,.;})]))/,
+		lookbehind: true,
+		greedy: true
+	}
+});
+
+Prism.languages.insertBefore('javascript', 'string', {
+	'template-string': {
+		pattern: /`(?:\\\\|\\?[^\\])*?`/,
+		greedy: true,
+		inside: {
+			'interpolation': {
+				pattern: /\$\{[^}]+\}/,
+				inside: {
+					'interpolation-punctuation': {
+						pattern: /^\$\{|\}$/,
+						alias: 'punctuation'
+					},
+					rest: Prism.languages.javascript
+				}
+			},
+			'string': /[\s\S]+/
+		}
+	}
+});
+
+if (Prism.languages.markup) {
+	Prism.languages.insertBefore('markup', 'tag', {
+		'script': {
+			pattern: /(<script[\w\W]*?>)[\w\W]*?(?=<\/script>)/i,
+			lookbehind: true,
+			inside: Prism.languages.javascript,
+			alias: 'language-javascript'
+		}
+	});
+}
+
+Prism.languages.js = Prism.languages.javascript;
+(function() {
+
+if (typeof self === 'undefined' || !self.Prism || !self.document) {
+	return;
+}
+
+Prism.hooks.add('complete', function (env) {
+	if (!env.code) {
+		return;
+	}
+
+	// works only for <code> wrapped inside <pre> (not inline)
+	var pre = env.element.parentNode;
+	var clsReg = /\s*\bline-numbers\b\s*/;
+	if (
+		!pre || !/pre/i.test(pre.nodeName) ||
+			// Abort only if nor the <pre> nor the <code> have the class
+		(!clsReg.test(pre.className) && !clsReg.test(env.element.className))
+	) {
+		return;
+	}
+
+	if (env.element.querySelector(".line-numbers-rows")) {
+		// Abort if line numbers already exists
+		return;
+	}
+
+	if (clsReg.test(env.element.className)) {
+		// Remove the class "line-numbers" from the <code>
+		env.element.className = env.element.className.replace(clsReg, '');
+	}
+	if (!clsReg.test(pre.className)) {
+		// Add the class "line-numbers" to the <pre>
+		pre.className += ' line-numbers';
+	}
+
+	var match = env.code.match(/\n(?!$)/g);
+	var linesNum = match ? match.length + 1 : 1;
+	var lineNumbersWrapper;
+
+	var lines = new Array(linesNum + 1);
+	lines = lines.join('<span></span>');
+
+	lineNumbersWrapper = document.createElement('span');
+	lineNumbersWrapper.setAttribute('aria-hidden', 'true');
+	lineNumbersWrapper.className = 'line-numbers-rows';
+	lineNumbersWrapper.innerHTML = lines;
+
+	if (pre.hasAttribute('data-start')) {
+		pre.style.counterReset = 'linenumber ' + (parseInt(pre.getAttribute('data-start'), 10) - 1);
+	}
+
+	env.element.appendChild(lineNumbersWrapper);
+
+});
+
+}());
author	Michael Catanzaro <mcatanzaro@gnome.org>	2016-09-11 18:30:35 -0500
committer	Michael Catanzaro <mcatanzaro@gnome.org>	2016-09-11 18:56:43 -0500
commit	cb67d3991b75f7f42a7bfc6c81953080317d8342 (patch)
tree	f7e05e65d598649e8df0e2c8f66a2a4c5ac4da16
parent	929b0c8f36bce86ef7bb866e105607b6514f4b91 (diff)
download	epiphany-wip/prism.tar.gz