Merge pull request #996 from Golmote/data-uri-highlight Data-URI Highlight plugin Fix #485
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diff --git a/components.js b/components.js
index 0674d04..3541708 100644
--- a/components.js
+++ b/components.js
@@ -645,6 +645,11 @@ var components = {
"owner": "zeitgeist87",
"after": "unescaped-markup",
"noCSS": true
+ },
+ "data-uri-highlight": {
+ "title": "Data-URI Highlight",
+ "owner": "Golmote",
+ "noCSS": true
}
}
};
diff --git a/plugins/autolinker/prism-autolinker.js b/plugins/autolinker/prism-autolinker.js
index e56303f..03b6815 100644
--- a/plugins/autolinker/prism-autolinker.js
+++ b/plugins/autolinker/prism-autolinker.js
@@ -14,36 +14,42 @@ var url = /\b([a-z]{3,7}:\/\/|tel:)[\w\-+%~/.:#=?&]+/,
// Tokens that may contain URLs and emails
candidates = ['comment', 'url', 'attr-value', 'string'];
-Prism.hooks.add('before-highlight', function(env) {
- // Abort if grammar has already been processed
- if (!env.grammar || env.grammar['url-link']) {
- return;
- }
- Prism.languages.DFS(env.grammar, function (key, def, type) {
- if (candidates.indexOf(type) > -1 && Prism.util.type(def) !== 'Array') {
- if (!def.pattern) {
- def = this[key] = {
- pattern: def
- };
- }
+Prism.plugins.autolinker = {
+ processGrammar: function (grammar) {
+ // Abort if grammar has already been processed
+ if (!grammar || grammar['url-link']) {
+ return;
+ }
+ Prism.languages.DFS(grammar, function (key, def, type) {
+ if (candidates.indexOf(type) > -1 && Prism.util.type(def) !== 'Array') {
+ if (!def.pattern) {
+ def = this[key] = {
+ pattern: def
+ };
+ }
- def.inside = def.inside || {};
+ def.inside = def.inside || {};
- if (type == 'comment') {
- def.inside['md-link'] = linkMd;
- }
- if (type == 'attr-value') {
- Prism.languages.insertBefore('inside', 'punctuation', { 'url-link': url }, def);
- }
- else {
- def.inside['url-link'] = url;
+ if (type == 'comment') {
+ def.inside['md-link'] = linkMd;
+ }
+ if (type == 'attr-value') {
+ Prism.languages.insertBefore('inside', 'punctuation', { 'url-link': url }, def);
+ }
+ else {
+ def.inside['url-link'] = url;
+ }
+
+ def.inside['email-link'] = email;
}
+ });
+ grammar['url-link'] = url;
+ grammar['email-link'] = email;
+ }
+};
- def.inside['email-link'] = email;
- }
- });
- env.grammar['url-link'] = url;
- env.grammar['email-link'] = email;
+Prism.hooks.add('before-highlight', function(env) {
+ Prism.plugins.autolinker.processGrammar(env.grammar);
});
Prism.hooks.add('wrap', function(env) {
diff --git a/plugins/autolinker/prism-autolinker.min.js b/plugins/autolinker/prism-autolinker.min.js
index 3e2aece..de389b8 100644
--- a/plugins/autolinker/prism-autolinker.min.js
+++ b/plugins/autolinker/prism-autolinker.min.js
@@ -1 +1 @@
-!function(){if(("undefined"==typeof self||self.Prism)&&("undefined"==typeof global||global.Prism)){var i=/\b([a-z]{3,7}:\/\/|tel:)[\w\-+%~\/.:#=?&]+/,n=/\b\S+@[\w.]+[a-z]{2}/,e=/\[([^\]]+)]\(([^)]+)\)/,t=["comment","url","attr-value","string"];Prism.hooks.add("before-highlight",function(a){a.grammar&&!a.grammar["url-link"]&&(Prism.languages.DFS(a.grammar,function(a,r,l){t.indexOf(l)>-1&&"Array"!==Prism.util.type(r)&&(r.pattern||(r=this[a]={pattern:r}),r.inside=r.inside||{},"comment"==l&&(r.inside["md-link"]=e),"attr-value"==l?Prism.languages.insertBefore("inside","punctuation",{"url-link":i},r):r.inside["url-link"]=i,r.inside["email-link"]=n)}),a.grammar["url-link"]=i,a.grammar["email-link"]=n)}),Prism.hooks.add("wrap",function(i){if(/-link$/.test(i.type)){i.tag="a";var n=i.content;if("email-link"==i.type&&0!=n.indexOf("mailto:"))n="mailto:"+n;else if("md-link"==i.type){var t=i.content.match(e);n=t[2],i.content=t[1]}i.attributes.href=n}})}}();
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+!function(){if(("undefined"==typeof self||self.Prism)&&("undefined"==typeof global||global.Prism)){var i=/\b([a-z]{3,7}:\/\/|tel:)[\w\-+%~\/.:#=?&]+/,n=/\b\S+@[\w.]+[a-z]{2}/,e=/\[([^\]]+)]\(([^)]+)\)/,t=["comment","url","attr-value","string"];Prism.plugins.autolinker={processGrammar:function(a){a&&!a["url-link"]&&(Prism.languages.DFS(a,function(a,r,l){t.indexOf(l)>-1&&"Array"!==Prism.util.type(r)&&(r.pattern||(r=this[a]={pattern:r}),r.inside=r.inside||{},"comment"==l&&(r.inside["md-link"]=e),"attr-value"==l?Prism.languages.insertBefore("inside","punctuation",{"url-link":i},r):r.inside["url-link"]=i,r.inside["email-link"]=n)}),a["url-link"]=i,a["email-link"]=n)}},Prism.hooks.add("before-highlight",function(i){Prism.plugins.autolinker.processGrammar(i.grammar)}),Prism.hooks.add("wrap",function(i){if(/-link$/.test(i.type)){i.tag="a";var n=i.content;if("email-link"==i.type&&0!=n.indexOf("mailto:"))n="mailto:"+n;else if("md-link"==i.type){var t=i.content.match(e);n=t[2],i.content=t[1]}i.attributes.href=n}})}}();
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diff --git a/plugins/data-uri-highlight/index.html b/plugins/data-uri-highlight/index.html
new file mode 100644
index 0000000..ac817e4
--- /dev/null
+++ b/plugins/data-uri-highlight/index.html
@@ -0,0 +1,60 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+
+<meta charset="utf-8" />
+<link rel="shortcut icon" href="favicon.png" />
+<title>Data-URI Highlight ▲ Prism plugins</title>
+<base href="../.." />
+<link rel="stylesheet" href="style.css" />
+<link rel="stylesheet" href="themes/prism.css" data-noprefix />
+<link rel="stylesheet" href="plugins/autolinker/prism-autolinker.css" data-noprefix />
+<script src="prefixfree.min.js"></script>
+
+<script>var _gaq = [['_setAccount', 'UA-33746269-1'], ['_trackPageview']];</script>
+<script src="http://www.google-analytics.com/ga.js" async></script>
+</head>
+<body>
+
+<header>
+ <div class="intro" data-src="templates/header-plugins.html" data-type="text/html"></div>
+
+ <h2>Data-URI Highlight</h2>
+ <p>Highlights data-URI contents.</p>
+</header>
+
+<section>
+ <h1>How to use</h1>
+ <p>Data-URIs will be highlighted automatically, provided the needed grammar is loaded.
+ The grammar to use is guessed using the MIME type information.</p>
+</section>
+
+<section>
+ <h1>Example</h1>
+
+ <pre><code class="language-css">div {
+ border: 40px solid transparent;
+ border-image: 33.334% url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="30" height="30"> \
+ <circle cx="5" cy="5" r="5" fill="%23ab4"/><circle cx="15" cy="5" r="5" fill="%23655"/> \
+ <circle cx="25" cy="5" r="5" fill="%23e07"/><circle cx="5" cy="15" r="5" fill="%23655"/> \
+ <circle cx="15" cy="15" r="5" fill="hsl(15, 25%, 75%)"/> \
+ <circle cx="25" cy="15" r="5" fill="%23655"/><circle cx="5" cy="25" r="5" fill="%23fb3"/> \
+ <circle cx="15" cy="25" r="5" fill="%23655"/><circle cx="25" cy="25" r="5" fill="%2358a"/></svg>');
+ padding: 1em;
+ max-width: 20em;
+ font: 130%/1.6 Baskerville, Palatino, serif;
+}</code></pre>
+
+</section>
+
+<footer data-src="templates/footer.html" data-type="text/html"></footer>
+
+<script src="prism.js"></script>
+<script src="plugins/data-uri-highlight/prism-data-uri-highlight.js"></script>
+<script src="utopia.js"></script>
+<script src="components.js"></script>
+<script src="code.js"></script>
+
+
+</body>
+</html>
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diff --git a/plugins/data-uri-highlight/prism-data-uri-highlight.js b/plugins/data-uri-highlight/prism-data-uri-highlight.js
new file mode 100644
index 0000000..7ff8d1f
--- /dev/null
+++ b/plugins/data-uri-highlight/prism-data-uri-highlight.js
@@ -0,0 +1,98 @@
+(function () {
+
+ if (
+ typeof self !== 'undefined' && !self.Prism ||
+ typeof global !== 'undefined' && !global.Prism
+ ) {
+ return;
+ }
+
+ var autoLinkerProcess = function (grammar) {
+ if (Prism.plugins.autolinker) {
+ Prism.plugins.autolinker.processGrammar(grammar);
+ }
+ return grammar;
+ };
+ var dataURI = {
+ pattern: /(.)\bdata:[^\/]+\/[^,]+,(?:(?!\1)[\s\S]|\\\1)+(?=\1)/,
+ lookbehind: true,
+ inside: {
+ 'language-css': {
+ pattern: /(data:[^\/]+\/(?:[^+,]+\+)?css,)[\s\S]+/,
+ lookbehind: true
+ },
+ 'language-javascript': {
+ pattern: /(data:[^\/]+\/(?:[^+,]+\+)?javascript,)[\s\S]+/,
+ lookbehind: true
+ },
+ 'language-json': {
+ pattern: /(data:[^\/]+\/(?:[^+,]+\+)?json,)[\s\S]+/,
+ lookbehind: true
+ },
+ 'language-markup': {
+ pattern: /(data:[^\/]+\/(?:[^+,]+\+)?(?:html|xml),)[\s\S]+/,
+ lookbehind: true
+ }
+ }
+ };
+
+ // Tokens that may contain URLs
+ var candidates = ['url', 'attr-value', 'string'];
+
+ Prism.plugins.dataURIHighlight = {
+ processGrammar: function (grammar) {
+ // Abort if grammar has already been processed
+ if (!grammar || grammar['data-uri']) {
+ return;
+ }
+
+ Prism.languages.DFS(grammar, function (key, def, type) {
+ if (candidates.indexOf(type) > -1 && Prism.util.type(def) !== 'Array') {
+ if (!def.pattern) {
+ def = this[key] = {
+ pattern: def
+ };
+ }
+
+ def.inside = def.inside || {};
+
+ if (type == 'attr-value') {
+ Prism.languages.insertBefore('inside', def.inside['url-link'] ? 'url-link' : 'punctuation', {
+ 'data-uri': dataURI
+ }, def);
+ }
+ else {
+ if (def.inside['url-link']) {
+ Prism.languages.insertBefore('inside', 'url-link', {
+ 'data-uri': dataURI
+ }, def);
+ } else {
+ def.inside['data-uri'] = dataURI;
+ }
+ }
+ }
+ });
+ grammar['data-uri'] = dataURI;
+ }
+ };
+
+ Prism.hooks.add('before-highlight', function (env) {
+ // Prepare the needed grammars for this code block
+ if (dataURI.pattern.test(env.code)) {
+ for (var p in dataURI.inside) {
+ if (dataURI.inside.hasOwnProperty(p)) {
+ if (!dataURI.inside[p].inside && dataURI.inside[p].pattern.test(env.code)) {
+ var lang = p.match(/^language-(.+)/)[1];
+ if (Prism.languages[lang]) {
+ dataURI.inside[p].inside = {
+ rest: autoLinkerProcess(Prism.languages[lang])
+ };
+ }
+ }
+ }
+ }
+ }
+
+ Prism.plugins.dataURIHighlight.processGrammar(env.grammar);
+ });
+}());
\ No newline at end of file
diff --git a/plugins/data-uri-highlight/prism-data-uri-highlight.min.js b/plugins/data-uri-highlight/prism-data-uri-highlight.min.js
new file mode 100644
index 0000000..479828d
--- /dev/null
+++ b/plugins/data-uri-highlight/prism-data-uri-highlight.min.js
@@ -0,0 +1 @@
+!function(){if(("undefined"==typeof self||self.Prism)&&("undefined"==typeof global||global.Prism)){var i=function(i){return Prism.plugins.autolinker&&Prism.plugins.autolinker.processGrammar(i),i},a={pattern:/(.)\bdata:[^\/]+\/[^,]+,(?:(?!\1)[\s\S]|\\\1)+(?=\1)/,lookbehind:!0,inside:{"language-css":{pattern:/(data:[^\/]+\/(?:[^+,]+\+)?css,)[\s\S]+/,lookbehind:!0},"language-javascript":{pattern:/(data:[^\/]+\/(?:[^+,]+\+)?javascript,)[\s\S]+/,lookbehind:!0},"language-json":{pattern:/(data:[^\/]+\/(?:[^+,]+\+)?json,)[\s\S]+/,lookbehind:!0},"language-markup":{pattern:/(data:[^\/]+\/(?:[^+,]+\+)?(?:html|xml),)[\s\S]+/,lookbehind:!0}}},n=["url","attr-value","string"];Prism.plugins.dataURIHighlight={processGrammar:function(i){i&&!i["data-uri"]&&(Prism.languages.DFS(i,function(i,e,r){n.indexOf(r)>-1&&"Array"!==Prism.util.type(e)&&(e.pattern||(e=this[i]={pattern:e}),e.inside=e.inside||{},"attr-value"==r?Prism.languages.insertBefore("inside",e.inside["url-link"]?"url-link":"punctuation",{"data-uri":a},e):e.inside["url-link"]?Prism.languages.insertBefore("inside","url-link",{"data-uri":a},e):e.inside["data-uri"]=a)}),i["data-uri"]=a)}},Prism.hooks.add("before-highlight",function(n){if(a.pattern.test(n.code))for(var e in a.inside)if(a.inside.hasOwnProperty(e)&&!a.inside[e].inside&&a.inside[e].pattern.test(n.code)){var r=e.match(/^language-(.+)/)[1];Prism.languages[r]&&(a.inside[e].inside={rest:i(Prism.languages[r])})}Prism.plugins.dataURIHighlight.processGrammar(n.grammar)})}}();
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