kmx.io/prism.js

diff --git a/components/prism-core.js b/components/prism-core.js
index 750ebb1..b9a0ac6 100644
--- a/components/prism-core.js
+++ b/components/prism-core.js
@@ -161,10 +161,6 @@ var _ = self.Prism = {
 			grammar = _.languages[language];
 		}
 
-		if (!grammar) {
-			return;
-		}
-
 		// Set language on the element, if not present
 		element.className = element.className.replace(lang, '').replace(/\s+/g, ' ') + ' language-' + language;
 
@@ -175,6 +171,10 @@ var _ = self.Prism = {
 			parent.className = parent.className.replace(lang, '').replace(/\s+/g, ' ') + ' language-' + language;
 		}
 
+		if (!grammar) {
+			return;
+		}
+
 		var code = element.textContent;
 
 		if(!code) {
diff --git a/components/prism-core.min.js b/components/prism-core.min.js
index 703d143..df4ccd4 100644
--- a/components/prism-core.min.js
+++ b/components/prism-core.min.js
@@ -1 +1 @@
-self="undefined"!=typeof window?window:"undefined"!=typeof WorkerGlobalScope&&self instanceof WorkerGlobalScope?self:{};var Prism=function(){var e=/\blang(?:uage)?-(?!\*)(\w+)\b/i,t=self.Prism={util:{encode:function(e){return e instanceof n?new n(e.type,t.util.encode(e.content),e.alias):"Array"===t.util.type(e)?e.map(t.util.encode):e.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/\u00a0/g," ")},type:function(e){return Object.prototype.toString.call(e).match(/\[object (\w+)\]/)[1]},clone:function(e){var n=t.util.type(e);switch(n){case"Object":var a={};for(var r in e)e.hasOwnProperty(r)&&(a[r]=t.util.clone(e[r]));return a;case"Array":return e.map(function(e){return t.util.clone(e)})}return e}},languages:{extend:function(e,n){var a=t.util.clone(t.languages[e]);for(var r in n)a[r]=n[r];return a},insertBefore:function(e,n,a,r){r=r||t.languages;var i=r[e];if(2==arguments.length){a=arguments[1];for(var l in a)a.hasOwnProperty(l)&&(i[l]=a[l]);return i}var s={};for(var o in i)if(i.hasOwnProperty(o)){if(o==n)for(var l in a)a.hasOwnProperty(l)&&(s[l]=a[l]);s[o]=i[o]}return t.languages.DFS(t.languages,function(t,n){n===r[e]&&t!=e&&(this[t]=s)}),r[e]=s},DFS:function(e,n,a){for(var r in e)e.hasOwnProperty(r)&&(n.call(e,r,e[r],a||r),"Object"===t.util.type(e[r])?t.languages.DFS(e[r],n):"Array"===t.util.type(e[r])&&t.languages.DFS(e[r],n,r))}},highlightAll:function(e,n){for(var a,r=document.querySelectorAll('code[class*="language-"], [class*="language-"] code, code[class*="lang-"], [class*="lang-"] code'),i=0;a=r[i++];)t.highlightElement(a,e===!0,n)},highlightElement:function(a,r,i){for(var l,s,o=a;o&&!e.test(o.className);)o=o.parentNode;if(o&&(l=(o.className.match(e)||[,""])[1],s=t.languages[l]),s){a.className=a.className.replace(e,"").replace(/\s+/g," ")+" language-"+l,o=a.parentNode,/pre/i.test(o.nodeName)&&(o.className=o.className.replace(e,"").replace(/\s+/g," ")+" language-"+l);var u=a.textContent;if(u){u=u.replace(/^(?:\r?\n|\r)/,"");var g={element:a,language:l,grammar:s,code:u};if(t.hooks.run("before-highlight",g),r&&self.Worker){var c=new Worker(t.filename);c.onmessage=function(e){g.highlightedCode=n.stringify(JSON.parse(e.data),l),t.hooks.run("before-insert",g),g.element.innerHTML=g.highlightedCode,i&&i.call(g.element),t.hooks.run("after-highlight",g)},c.postMessage(JSON.stringify({language:g.language,code:g.code}))}else g.highlightedCode=t.highlight(g.code,g.grammar,g.language),t.hooks.run("before-insert",g),g.element.innerHTML=g.highlightedCode,i&&i.call(a),t.hooks.run("after-highlight",g)}}},highlight:function(e,a,r){var i=t.tokenize(e,a);return n.stringify(t.util.encode(i),r)},tokenize:function(e,n){var a=t.Token,r=[e],i=n.rest;if(i){for(var l in i)n[l]=i[l];delete n.rest}e:for(var l in n)if(n.hasOwnProperty(l)&&n[l]){var s=n[l];s="Array"===t.util.type(s)?s:[s];for(var o=0;o<s.length;++o){var u=s[o],g=u.inside,c=!!u.lookbehind,f=0,h=u.alias;u=u.pattern||u;for(var p=0;p<r.length;p++){var d=r[p];if(r.length>e.length)break e;if(!(d instanceof a)){u.lastIndex=0;var m=u.exec(d);if(m){c&&(f=m[1].length);var y=m.index-1+f,m=m[0].slice(f),v=m.length,k=y+v,b=d.slice(0,y+1),w=d.slice(k+1),N=[p,1];b&&N.push(b);var O=new a(l,g?t.tokenize(m,g):m,h);N.push(O),w&&N.push(w),Array.prototype.splice.apply(r,N)}}}}}return r},hooks:{all:{},add:function(e,n){var a=t.hooks.all;a[e]=a[e]||[],a[e].push(n)},run:function(e,n){var a=t.hooks.all[e];if(a&&a.length)for(var r,i=0;r=a[i++];)r(n)}}},n=t.Token=function(e,t,n){this.type=e,this.content=t,this.alias=n};if(n.stringify=function(e,a,r){if("string"==typeof e)return e;if("Array"===t.util.type(e))return e.map(function(t){return n.stringify(t,a,e)}).join("");var i={type:e.type,content:n.stringify(e.content,a,r),tag:"span",classes:["token",e.type],attributes:{},language:a,parent:r};if("comment"==i.type&&(i.attributes.spellcheck="true"),e.alias){var l="Array"===t.util.type(e.alias)?e.alias:[e.alias];Array.prototype.push.apply(i.classes,l)}t.hooks.run("wrap",i);var s="";for(var o in i.attributes)s+=o+'="'+(i.attributes[o]||"")+'"';return"<"+i.tag+' class="'+i.classes.join(" ")+'" '+s+">"+i.content+"</"+i.tag+">"},!self.document)return self.addEventListener?(self.addEventListener("message",function(e){var n=JSON.parse(e.data),a=n.language,r=n.code;self.postMessage(JSON.stringify(t.util.encode(t.tokenize(r,t.languages[a])))),self.close()},!1),self.Prism):self.Prism;var a=document.getElementsByTagName("script");return a=a[a.length-1],a&&(t.filename=a.src,document.addEventListener&&!a.hasAttribute("data-manual")&&document.addEventListener("DOMContentLoaded",t.highlightAll)),self.Prism}();"undefined"!=typeof module&&module.exports&&(module.exports=Prism);
\ No newline at end of file
+self="undefined"!=typeof window?window:"undefined"!=typeof WorkerGlobalScope&&self instanceof WorkerGlobalScope?self:{};var Prism=function(){var e=/\blang(?:uage)?-(?!\*)(\w+)\b/i,t=self.Prism={util:{encode:function(e){return e instanceof n?new n(e.type,t.util.encode(e.content),e.alias):"Array"===t.util.type(e)?e.map(t.util.encode):e.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/\u00a0/g," ")},type:function(e){return Object.prototype.toString.call(e).match(/\[object (\w+)\]/)[1]},clone:function(e){var n=t.util.type(e);switch(n){case"Object":var a={};for(var r in e)e.hasOwnProperty(r)&&(a[r]=t.util.clone(e[r]));return a;case"Array":return e.map(function(e){return t.util.clone(e)})}return e}},languages:{extend:function(e,n){var a=t.util.clone(t.languages[e]);for(var r in n)a[r]=n[r];return a},insertBefore:function(e,n,a,r){r=r||t.languages;var i=r[e];if(2==arguments.length){a=arguments[1];for(var l in a)a.hasOwnProperty(l)&&(i[l]=a[l]);return i}var s={};for(var o in i)if(i.hasOwnProperty(o)){if(o==n)for(var l in a)a.hasOwnProperty(l)&&(s[l]=a[l]);s[o]=i[o]}return t.languages.DFS(t.languages,function(t,n){n===r[e]&&t!=e&&(this[t]=s)}),r[e]=s},DFS:function(e,n,a){for(var r in e)e.hasOwnProperty(r)&&(n.call(e,r,e[r],a||r),"Object"===t.util.type(e[r])?t.languages.DFS(e[r],n):"Array"===t.util.type(e[r])&&t.languages.DFS(e[r],n,r))}},highlightAll:function(e,n){for(var a,r=document.querySelectorAll('code[class*="language-"], [class*="language-"] code, code[class*="lang-"], [class*="lang-"] code'),i=0;a=r[i++];)t.highlightElement(a,e===!0,n)},highlightElement:function(a,r,i){for(var l,s,o=a;o&&!e.test(o.className);)o=o.parentNode;if(o&&(l=(o.className.match(e)||[,""])[1],s=t.languages[l]),a.className=a.className.replace(e,"").replace(/\s+/g," ")+" language-"+l,o=a.parentNode,/pre/i.test(o.nodeName)&&(o.className=o.className.replace(e,"").replace(/\s+/g," ")+" language-"+l),s){var u=a.textContent;if(u){u=u.replace(/^(?:\r?\n|\r)/,"");var g={element:a,language:l,grammar:s,code:u};if(t.hooks.run("before-highlight",g),r&&self.Worker){var c=new Worker(t.filename);c.onmessage=function(e){g.highlightedCode=n.stringify(JSON.parse(e.data),l),t.hooks.run("before-insert",g),g.element.innerHTML=g.highlightedCode,i&&i.call(g.element),t.hooks.run("after-highlight",g)},c.postMessage(JSON.stringify({language:g.language,code:g.code}))}else g.highlightedCode=t.highlight(g.code,g.grammar,g.language),t.hooks.run("before-insert",g),g.element.innerHTML=g.highlightedCode,i&&i.call(a),t.hooks.run("after-highlight",g)}}},highlight:function(e,a,r){var i=t.tokenize(e,a);return n.stringify(t.util.encode(i),r)},tokenize:function(e,n){var a=t.Token,r=[e],i=n.rest;if(i){for(var l in i)n[l]=i[l];delete n.rest}e:for(var l in n)if(n.hasOwnProperty(l)&&n[l]){var s=n[l];s="Array"===t.util.type(s)?s:[s];for(var o=0;o<s.length;++o){var u=s[o],g=u.inside,c=!!u.lookbehind,f=0,h=u.alias;u=u.pattern||u;for(var p=0;p<r.length;p++){var d=r[p];if(r.length>e.length)break e;if(!(d instanceof a)){u.lastIndex=0;var m=u.exec(d);if(m){c&&(f=m[1].length);var y=m.index-1+f,m=m[0].slice(f),v=m.length,k=y+v,b=d.slice(0,y+1),w=d.slice(k+1),N=[p,1];b&&N.push(b);var O=new a(l,g?t.tokenize(m,g):m,h);N.push(O),w&&N.push(w),Array.prototype.splice.apply(r,N)}}}}}return r},hooks:{all:{},add:function(e,n){var a=t.hooks.all;a[e]=a[e]||[],a[e].push(n)},run:function(e,n){var a=t.hooks.all[e];if(a&&a.length)for(var r,i=0;r=a[i++];)r(n)}}},n=t.Token=function(e,t,n){this.type=e,this.content=t,this.alias=n};if(n.stringify=function(e,a,r){if("string"==typeof e)return e;if("Array"===t.util.type(e))return e.map(function(t){return n.stringify(t,a,e)}).join("");var i={type:e.type,content:n.stringify(e.content,a,r),tag:"span",classes:["token",e.type],attributes:{},language:a,parent:r};if("comment"==i.type&&(i.attributes.spellcheck="true"),e.alias){var l="Array"===t.util.type(e.alias)?e.alias:[e.alias];Array.prototype.push.apply(i.classes,l)}t.hooks.run("wrap",i);var s="";for(var o in i.attributes)s+=o+'="'+(i.attributes[o]||"")+'"';return"<"+i.tag+' class="'+i.classes.join(" ")+'" '+s+">"+i.content+"</"+i.tag+">"},!self.document)return self.addEventListener?(self.addEventListener("message",function(e){var n=JSON.parse(e.data),a=n.language,r=n.code;self.postMessage(JSON.stringify(t.util.encode(t.tokenize(r,t.languages[a])))),self.close()},!1),self.Prism):self.Prism;var a=document.getElementsByTagName("script");return a=a[a.length-1],a&&(t.filename=a.src,document.addEventListener&&!a.hasAttribute("data-manual")&&document.addEventListener("DOMContentLoaded",t.highlightAll)),self.Prism}();"undefined"!=typeof module&&module.exports&&(module.exports=Prism);
\ No newline at end of file
diff --git a/plugins/file-highlight/index.html b/plugins/file-highlight/index.html
index 0a3cb58..686a7f7 100644
--- a/plugins/file-highlight/index.html
+++ b/plugins/file-highlight/index.html
@@ -37,7 +37,7 @@
 
 <section>
 	<h1>Examples</h1>
-	
+
 	<p>The plugin’s JS code:</p>
 	<pre data-src="plugins/file-highlight/prism-file-highlight.js"></pre>
 	
@@ -53,7 +53,7 @@
 <footer data-src="templates/footer.html" data-type="text/html"></footer>
 
 <script src="prism.js"></script>
-<script src="plugins/file-highlight/prism-file-highlight.js"></script>
+<!-- The File Highlight plugin is already included into Prism.js build -->
 <script src="utopia.js"></script>
 <script src="components.js"></script>
 <script src="code.js"></script>
diff --git a/plugins/file-highlight/prism-file-highlight.js b/plugins/file-highlight/prism-file-highlight.js
index c81dd01..5fea85a 100644
--- a/plugins/file-highlight/prism-file-highlight.js
+++ b/plugins/file-highlight/prism-file-highlight.js
@@ -18,8 +18,21 @@
 
 		Array.prototype.slice.call(document.querySelectorAll('pre[data-src]')).forEach(function(pre) {
 			var src = pre.getAttribute('data-src');
-			var extension = (src.match(/\.(\w+)$/) || [,''])[1];
-			var language = Extensions[extension] || extension;
+
+			var language, parent = pre;
+			var lang = /\blang(?:uage)?-(?!\*)(\w+)\b/i;
+			while (parent && !lang.test(parent.className)) {
+				parent = parent.parentNode;
+			}
+
+			if (parent) {
+				language = (pre.className.match(lang) || [,''])[1];
+			}
+
+			if (!language) {
+				var extension = (src.match(/\.(\w+)$/) || [, ''])[1];
+				language = Extensions[extension] || extension;
+			}
 
 			var code = document.createElement('code');
 			code.className = 'language-' + language;
diff --git a/plugins/file-highlight/prism-file-highlight.min.js b/plugins/file-highlight/prism-file-highlight.min.js
index a14cc13..42889f9 100644
--- a/plugins/file-highlight/prism-file-highlight.min.js
+++ b/plugins/file-highlight/prism-file-highlight.min.js
@@ -1 +1 @@
-!function(){self.Prism&&self.document&&document.querySelector&&(self.Prism.fileHighlight=function(){var e={js:"javascript",html:"markup",svg:"markup",xml:"markup",py:"python",rb:"ruby",ps1:"powershell",psm1:"powershell"};Array.prototype.slice.call(document.querySelectorAll("pre[data-src]")).forEach(function(t){var r=t.getAttribute("data-src"),s=(r.match(/\.(\w+)$/)||[,""])[1],n=e[s]||s,a=document.createElement("code");a.className="language-"+n,t.textContent="",a.textContent="Loading…",t.appendChild(a);var l=new XMLHttpRequest;l.open("GET",r,!0),l.onreadystatechange=function(){4==l.readyState&&(l.status<400&&l.responseText?(a.textContent=l.responseText,Prism.highlightElement(a)):a.textContent=l.status>=400?"✖ Error "+l.status+" while fetching file: "+l.statusText:"✖ Error: File does not exist or is empty")},l.send(null)})},self.Prism.fileHighlight())}();
\ No newline at end of file
+!function(){self.Prism&&self.document&&document.querySelector&&(self.Prism.fileHighlight=function(){var e={js:"javascript",html:"markup",svg:"markup",xml:"markup",py:"python",rb:"ruby",ps1:"powershell",psm1:"powershell"};Array.prototype.slice.call(document.querySelectorAll("pre[data-src]")).forEach(function(t){for(var r,s=t.getAttribute("data-src"),a=t,n=/\blang(?:uage)?-(?!\*)(\w+)\b/i;a&&!n.test(a.className);)a=a.parentNode;if(a&&(r=(t.className.match(n)||[,""])[1]),!r){var l=(s.match(/\.(\w+)$/)||[,""])[1];r=e[l]||l}var o=document.createElement("code");o.className="language-"+r,t.textContent="",o.textContent="Loading…",t.appendChild(o);var i=new XMLHttpRequest;i.open("GET",s,!0),i.onreadystatechange=function(){4==i.readyState&&(i.status<400&&i.responseText?(o.textContent=i.responseText,Prism.highlightElement(o)):o.textContent=i.status>=400?"✖ Error "+i.status+" while fetching file: "+i.statusText:"✖ Error: File does not exist or is empty")},i.send(null)})},self.Prism.fileHighlight())}();
\ No newline at end of file
diff --git a/prism.js b/prism.js
index 7ef3b77..fb0aeca 100644
--- a/prism.js
+++ b/prism.js
@@ -166,10 +166,6 @@ var _ = self.Prism = {
 			grammar = _.languages[language];
 		}
 
-		if (!grammar) {
-			return;
-		}
-
 		// Set language on the element, if not present
 		element.className = element.className.replace(lang, '').replace(/\s+/g, ' ') + ' language-' + language;
 
@@ -180,6 +176,10 @@ var _ = self.Prism = {
 			parent.className = parent.className.replace(lang, '').replace(/\s+/g, ' ') + ' language-' + language;
 		}
 
+		if (!grammar) {
+			return;
+		}
+
 		var code = element.textContent;
 
 		if(!code) {
@@ -648,8 +648,21 @@ if (Prism.languages.markup) {
 
 		Array.prototype.slice.call(document.querySelectorAll('pre[data-src]')).forEach(function(pre) {
 			var src = pre.getAttribute('data-src');
-			var extension = (src.match(/\.(\w+)$/) || [,''])[1];
-			var language = Extensions[extension] || extension;
+
+			var language, parent = pre;
+			var lang = /\blang(?:uage)?-(?!\*)(\w+)\b/i;
+			while (parent && !lang.test(parent.className)) {
+				parent = parent.parentNode;
+			}
+
+			if (parent) {
+				language = (pre.className.match(lang) || [,''])[1];
+			}
+
+			if (!language) {
+				var extension = (src.match(/\.(\w+)$/) || [, ''])[1];
+				language = Extensions[extension] || extension;
+			}
 
 			var code = document.createElement('code');
 			code.className = 'language-' + language;