Fix #506

4chan_x.user.js

@@ -449,6 +449,14 @@
     },
     open: function(url) {
       return (GM_openInTab || window.open)(location.protocol + url, '_blank');
+    },
+    globalEval: function(code) {
+      var script;
+      script = $.el('script', {
+        textContent: code
+      });
+      $.add(d.head, script);
+      return $.rm(script);
     }
   });
 
@@ -760,7 +768,8 @@
       if (Conf['Indicate Cross-thread Quotes']) {
         QuoteCT.node(post);
       }
-      return $.replace(a.parentNode.parentNode, node);
+      $.replace(a.parentNode.parentNode, node);
+      return Main.prettify();
     }
   };
 
@@ -1356,7 +1365,7 @@
       return setTimeout(this.asyncInit);
     },
     asyncInit: function() {
-      var link, script;
+      var link;
       if (Conf['Hide Original Post Form']) {
         link = $.el('h1', {
           innerHTML: "<a href=javascript:;>" + (g.REPLY ? 'Quick Reply' : 'New Thread') + "</a>"
@@ -1370,11 +1379,7 @@
         });
         $.before($.id('postForm'), link);
       }
-      script = $.el('script', {
-        textContent: 'Recaptcha.focus_response_field=function(){}'
-      });
-      $.add(d.head, script);
-      $.rm(script);
+      $.globalEval('Recaptcha.focus_response_field=function(){}');
       if (Conf['Persistent QR']) {
         QR.dialog();
         if (Conf['Auto Hide QR']) {
@@ -3282,8 +3287,9 @@
         Time.node(post);
       }
       if (Conf['File Info Formatting']) {
-        return FileInfo.node(post);
+        FileInfo.node(post);
       }
+      return Main.prettify();
     }
   };
 
@@ -4060,6 +4066,7 @@
           });
         }
       }
+      Main.hasCodeTags = !!$('script[src="//static.4chan.org/js/prettify/prettify.js"]');
       board = $('.board');
       nodes = [];
       _ref1 = $$('.postContainer', board);
@@ -4148,6 +4155,7 @@
           }
         }
       }
+      Main.prettify();
     },
     observer: function(mutations) {
       var addedNode, mutation, nodes, _i, _j, _len, _len1, _ref;
@@ -4173,6 +4181,12 @@
         return Main.node([Main.preParse(target)]);
       }
     },
+    prettify: function() {
+      if (!Main.hasCodeTags) {
+        return;
+      }
+      return $.globalEval('window.prettyPrint()');
+    },
     namespace: '4chan_x.',
     version: '2.30.4',
     callbacks: [],

changelog

@@ -1,6 +1,7 @@
 master
 
 - Mayhem
+  Fix syntax highlighting in code of fetched posts on /g/.
   Add quick [code] tags keybind (alt+c).
 
 2.30.4

script.coffee

@@ -346,6 +346,10 @@ $.extend $,
     return
   open: (url) ->
     (GM_openInTab or window.open) location.protocol + url, '_blank'
+  globalEval: (code) ->
+    script = $.el 'script', textContent: code
+    $.add d.head, script
+    $.rm script
 
 $.cache.requests = {}
 
@@ -588,6 +592,7 @@ ExpandComment =
     if Conf['Indicate Cross-thread Quotes']
       QuoteCT.node      post
     $.replace a.parentNode.parentNode, node
+    Main.prettify()
 
 ExpandThread =
   init: ->
@@ -1014,10 +1019,7 @@ QR =
       $.before $.id('postForm'), link
 
     # Prevent original captcha input from being focused on reload.
-    script = $.el 'script',
-      textContent: 'Recaptcha.focus_response_field=function(){}'
-    $.add d.head, script
-    $.rm script
+    $.globalEval 'Recaptcha.focus_response_field=function(){}'
 
     if Conf['Persistent QR']
       QR.dialog()
@@ -2489,6 +2491,7 @@ QuotePreview =
       Time.node     post
     if Conf['File Info Formatting']
       FileInfo.node post
+    Main.prettify()
 
 QuoteOP =
   init: ->
@@ -3088,6 +3091,8 @@ Main =
       if Conf['Index Navigation']
         setTimeout -> Nav.init()
 
+    Main.hasCodeTags = !! $ 'script[src="//static.4chan.org/js/prettify/prettify.js"]'
+
     board = $ '.board'
     nodes = []
     for node in $$ '.postContainer', board
@@ -3151,6 +3156,7 @@ Main =
         callback node for node in nodes
       catch err
         alert "4chan X (#{Main.version}) error: #{err.message}\nhttp://mayhemydg.github.com/4chan-x/#bug-report\n\n#{err.stack}" if notify
+    Main.prettify()
     return
   observer: (mutations) ->
     nodes = []
@@ -3164,6 +3170,11 @@ Main =
     if /\bpostContainer\b/.test target.className
       Main.node [Main.preParse target]
 
+  prettify: ->
+    return unless Main.hasCodeTags
+    # window.prettyPrintOne(html) does not preserve indentation
+    $.globalEval 'window.prettyPrint()'
+
   namespace: '4chan_x.'
   version: '2.30.4'
   callbacks: []