Commit af8da8ec978f38707ac43bb55c179cf42849cac0

Lea Verou 2016-02-14T21:08:14

Implemented @zeitgeist87’s suggestion in #890 re: env.elements

diff --git a/components/prism-core.js b/components/prism-core.js
index 9fcfff6..0ca386c 100644
--- a/components/prism-core.js
+++ b/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) {
@@ -152,7 +152,7 @@ var _ = _self.Prism = {
 		}
 	},
 	plugins: {},
-	
+
 	highlightAll: function(async, callback) {
 		var env = {
 			callback: callback,
@@ -160,8 +160,8 @@ var _ = _self.Prism = {
 		};
 
 		_.hooks.run("before-highlightall", env);
-		
-		var elements = document.querySelectorAll(env.selector);
+
+		var elements = env.elements || document.querySelectorAll(env.selector);
 
 		for (var i=0, element; element = elements[i++];) {
 			_.highlightElement(element, async === true, env.callback);
diff --git a/components/prism-core.min.js b/components/prism-core.min.js
index 85faffc..577b2d0 100644
--- a/components/prism-core.min.js
+++ b/components/prism-core.min.js
@@ -1 +1 @@
-var _self="undefined"!=typeof window?window:"undefined"!=typeof WorkerGlobalScope&&self instanceof WorkerGlobalScope?self:{},Prism=function(){var e=/\blang(?:uage)?-(\w+)\b/i,t=0,n=_self.Prism={util:{encode:function(e){return e instanceof a?new a(e.type,n.util.encode(e.content),e.alias):"Array"===n.util.type(e)?e.map(n.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]},objId:function(e){return e.__id||Object.defineProperty(e,"__id",{value:++t}),e.__id},clone:function(e){var t=n.util.type(e);switch(t){case"Object":var a={};for(var r in e)e.hasOwnProperty(r)&&(a[r]=n.util.clone(e[r]));return a;case"Array":return e.map&&e.map(function(e){return n.util.clone(e)})}return e}},languages:{extend:function(e,t){var a=n.util.clone(n.languages[e]);for(var r in t)a[r]=t[r];return a},insertBefore:function(e,t,a,r){r=r||n.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 o={};for(var s in i)if(i.hasOwnProperty(s)){if(s==t)for(var l in a)a.hasOwnProperty(l)&&(o[l]=a[l]);o[s]=i[s]}return n.languages.DFS(n.languages,function(t,n){n===r[e]&&t!=e&&(this[t]=o)}),r[e]=o},DFS:function(e,t,a,r){r=r||{};for(var i in e)e.hasOwnProperty(i)&&(t.call(e,i,e[i],a||i),"Object"!==n.util.type(e[i])||r[n.util.objId(e[i])]?"Array"!==n.util.type(e[i])||r[n.util.objId(e[i])]||(r[n.util.objId(e[i])]=!0,n.languages.DFS(e[i],t,i,r)):(r[n.util.objId(e[i])]=!0,n.languages.DFS(e[i],t,null,r)))}},plugins:{},highlightAll:function(e,t){for(var a,r=document.querySelectorAll('code[class*="language-"], [class*="language-"] code, code[class*="lang-"], [class*="lang-"] code'),i=0;a=r[i++];)n.highlightElement(a,e===!0,t)},highlightElement:function(t,a,r){for(var i,l,o=t;o&&!e.test(o.className);)o=o.parentNode;o&&(i=(o.className.match(e)||[,""])[1],l=n.languages[i]),t.className=t.className.replace(e,"").replace(/\s+/g," ")+" language-"+i,o=t.parentNode,/pre/i.test(o.nodeName)&&(o.className=o.className.replace(e,"").replace(/\s+/g," ")+" language-"+i);var s=t.textContent,u={element:t,language:i,grammar:l,code:s};if(!s||!l)return n.hooks.run("complete",u),void 0;if(n.hooks.run("before-highlight",u),a&&_self.Worker){var c=new Worker(n.filename);c.onmessage=function(e){u.highlightedCode=e.data,n.hooks.run("before-insert",u),u.element.innerHTML=u.highlightedCode,r&&r.call(u.element),n.hooks.run("after-highlight",u),n.hooks.run("complete",u)},c.postMessage(JSON.stringify({language:u.language,code:u.code,immediateClose:!0}))}else u.highlightedCode=n.highlight(u.code,u.grammar,u.language),n.hooks.run("before-insert",u),u.element.innerHTML=u.highlightedCode,r&&r.call(t),n.hooks.run("after-highlight",u),n.hooks.run("complete",u)},highlight:function(e,t,r){var i=n.tokenize(e,t);return a.stringify(n.util.encode(i),r)},tokenize:function(e,t){var a=n.Token,r=[e],i=t.rest;if(i){for(var l in i)t[l]=i[l];delete t.rest}e:for(var l in t)if(t.hasOwnProperty(l)&&t[l]){var o=t[l];o="Array"===n.util.type(o)?o:[o];for(var s=0;s<o.length;++s){var u=o[s],c=u.inside,g=!!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){g&&(f=m[1].length);var y=m.index-1+f,m=m[0].slice(f),v=m.length,b=y+v,k=d.slice(0,y+1),w=d.slice(b+1),_=[p,1];k&&_.push(k);var P=new a(l,c?n.tokenize(m,c):m,h);_.push(P),w&&_.push(w),Array.prototype.splice.apply(r,_)}}}}}return r},hooks:{all:{},add:function(e,t){var a=n.hooks.all;a[e]=a[e]||[],a[e].push(t)},run:function(e,t){var a=n.hooks.all[e];if(a&&a.length)for(var r,i=0;r=a[i++];)r(t)}}},a=n.Token=function(e,t,n){this.type=e,this.content=t,this.alias=n};if(a.stringify=function(e,t,r){if("string"==typeof e)return e;if("Array"===n.util.type(e))return e.map(function(n){return a.stringify(n,t,e)}).join("");var i={type:e.type,content:a.stringify(e.content,t,r),tag:"span",classes:["token",e.type],attributes:{},language:t,parent:r};if("comment"==i.type&&(i.attributes.spellcheck="true"),e.alias){var l="Array"===n.util.type(e.alias)?e.alias:[e.alias];Array.prototype.push.apply(i.classes,l)}n.hooks.run("wrap",i);var o="";for(var s in i.attributes)o+=(o?" ":"")+s+'="'+(i.attributes[s]||"")+'"';return"<"+i.tag+' class="'+i.classes.join(" ")+'" '+o+">"+i.content+"</"+i.tag+">"},!_self.document)return _self.addEventListener?(_self.addEventListener("message",function(e){var t=JSON.parse(e.data),a=t.language,r=t.code,i=t.immediateClose;_self.postMessage(n.highlight(r,n.languages[a],a)),i&&_self.close()},!1),_self.Prism):_self.Prism;var r=document.currentScript||[].slice.call(document.getElementsByTagName("script")).pop();return r&&(n.filename=r.src,document.addEventListener&&!r.hasAttribute("data-manual")&&document.addEventListener("DOMContentLoaded",n.highlightAll)),_self.Prism}();"undefined"!=typeof module&&module.exports&&(module.exports=Prism),"undefined"!=typeof global&&(global.Prism=Prism);
\ No newline at end of file
+var _self="undefined"!=typeof window?window:"undefined"!=typeof WorkerGlobalScope&&self instanceof WorkerGlobalScope?self:{},Prism=function(){var e=/\blang(?:uage)?-(\w+)\b/i,t=0,n=_self.Prism={util:{encode:function(e){return e instanceof a?new a(e.type,n.util.encode(e.content),e.alias):"Array"===n.util.type(e)?e.map(n.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]},objId:function(e){return e.__id||Object.defineProperty(e,"__id",{value:++t}),e.__id},clone:function(e){var t=n.util.type(e);switch(t){case"Object":var a={};for(var r in e)e.hasOwnProperty(r)&&(a[r]=n.util.clone(e[r]));return a;case"Array":return e.map&&e.map(function(e){return n.util.clone(e)})}return e}},languages:{extend:function(e,t){var a=n.util.clone(n.languages[e]);for(var r in t)a[r]=t[r];return a},insertBefore:function(e,t,a,r){r=r||n.languages;var l=r[e];if(2==arguments.length){a=arguments[1];for(var i in a)a.hasOwnProperty(i)&&(l[i]=a[i]);return l}var o={};for(var s in l)if(l.hasOwnProperty(s)){if(s==t)for(var i in a)a.hasOwnProperty(i)&&(o[i]=a[i]);o[s]=l[s]}return n.languages.DFS(n.languages,function(t,n){n===r[e]&&t!=e&&(this[t]=o)}),r[e]=o},DFS:function(e,t,a,r){r=r||{};for(var l in e)e.hasOwnProperty(l)&&(t.call(e,l,e[l],a||l),"Object"!==n.util.type(e[l])||r[n.util.objId(e[l])]?"Array"!==n.util.type(e[l])||r[n.util.objId(e[l])]||(r[n.util.objId(e[l])]=!0,n.languages.DFS(e[l],t,l,r)):(r[n.util.objId(e[l])]=!0,n.languages.DFS(e[l],t,null,r)))}},plugins:{},highlightAll:function(e,t){var a={callback:t,selector:'code[class*="language-"], [class*="language-"] code, code[class*="lang-"], [class*="lang-"] code'};n.hooks.run("before-highlightall",a);for(var r,l=a.elements||document.querySelectorAll(a.selector),i=0;r=l[i++];)n.highlightElement(r,e===!0,a.callback)},highlightElement:function(t,a,r){for(var l,i,o=t;o&&!e.test(o.className);)o=o.parentNode;o&&(l=(o.className.match(e)||[,""])[1],i=n.languages[l]),t.className=t.className.replace(e,"").replace(/\s+/g," ")+" language-"+l,o=t.parentNode,/pre/i.test(o.nodeName)&&(o.className=o.className.replace(e,"").replace(/\s+/g," ")+" language-"+l);var s=t.textContent,u={element:t,language:l,grammar:i,code:s};if(!s||!i)return n.hooks.run("complete",u),void 0;if(n.hooks.run("before-highlight",u),a&&_self.Worker){var c=new Worker(n.filename);c.onmessage=function(e){u.highlightedCode=e.data,n.hooks.run("before-insert",u),u.element.innerHTML=u.highlightedCode,r&&r.call(u.element),n.hooks.run("after-highlight",u),n.hooks.run("complete",u)},c.postMessage(JSON.stringify({language:u.language,code:u.code,immediateClose:!0}))}else u.highlightedCode=n.highlight(u.code,u.grammar,u.language),n.hooks.run("before-insert",u),u.element.innerHTML=u.highlightedCode,r&&r.call(t),n.hooks.run("after-highlight",u),n.hooks.run("complete",u)},highlight:function(e,t,r){var l=n.tokenize(e,t);return a.stringify(n.util.encode(l),r)},tokenize:function(e,t){var a=n.Token,r=[e],l=t.rest;if(l){for(var i in l)t[i]=l[i];delete t.rest}e:for(var i in t)if(t.hasOwnProperty(i)&&t[i]){var o=t[i];o="Array"===n.util.type(o)?o:[o];for(var s=0;s<o.length;++s){var u=o[s],c=u.inside,g=!!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){g&&(f=m[1].length);var y=m.index-1+f,m=m[0].slice(f),v=m.length,b=y+v,k=d.slice(0,y+1),w=d.slice(b+1),_=[p,1];k&&_.push(k);var P=new a(i,c?n.tokenize(m,c):m,h);_.push(P),w&&_.push(w),Array.prototype.splice.apply(r,_)}}}}}return r},hooks:{all:{},add:function(e,t){var a=n.hooks.all;a[e]=a[e]||[],a[e].push(t)},run:function(e,t){var a=n.hooks.all[e];if(a&&a.length)for(var r,l=0;r=a[l++];)r(t)}}},a=n.Token=function(e,t,n){this.type=e,this.content=t,this.alias=n};if(a.stringify=function(e,t,r){if("string"==typeof e)return e;if("Array"===n.util.type(e))return e.map(function(n){return a.stringify(n,t,e)}).join("");var l={type:e.type,content:a.stringify(e.content,t,r),tag:"span",classes:["token",e.type],attributes:{},language:t,parent:r};if("comment"==l.type&&(l.attributes.spellcheck="true"),e.alias){var i="Array"===n.util.type(e.alias)?e.alias:[e.alias];Array.prototype.push.apply(l.classes,i)}n.hooks.run("wrap",l);var o="";for(var s in l.attributes)o+=(o?" ":"")+s+'="'+(l.attributes[s]||"")+'"';return"<"+l.tag+' class="'+l.classes.join(" ")+'" '+o+">"+l.content+"</"+l.tag+">"},!_self.document)return _self.addEventListener?(_self.addEventListener("message",function(e){var t=JSON.parse(e.data),a=t.language,r=t.code,l=t.immediateClose;_self.postMessage(n.highlight(r,n.languages[a],a)),l&&_self.close()},!1),_self.Prism):_self.Prism;var r=document.currentScript||[].slice.call(document.getElementsByTagName("script")).pop();return r&&(n.filename=r.src,document.addEventListener&&!r.hasAttribute("data-manual")&&document.addEventListener("DOMContentLoaded",n.highlightAll)),_self.Prism}();"undefined"!=typeof module&&module.exports&&(module.exports=Prism),"undefined"!=typeof global&&(global.Prism=Prism);
\ No newline at end of file
diff --git a/prism.js b/prism.js
index c40a902..8474702 100644
--- a/prism.js
+++ b/prism.js
@@ -94,19 +94,19 @@ 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) {
@@ -126,7 +126,7 @@ 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) {
@@ -157,12 +157,19 @@ 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);
 		}
 	},