From 5bd1d3ebb5cf25862c45cdfb3eaddfcb786129d7 Mon Sep 17 00:00:00 2001
From: Nicolas Stepien <stepien.nicolas@gmail.com>
Date: Wed, 22 Feb 2012 00:55:16 +0100
Subject: [PATCH] Almost twice faster comment text reading for filters.

---
 4chan_x.user.js | 17 ++++++++++++++---
 script.coffee   | 12 +++++++++++-
 2 files changed, 25 insertions(+), 4 deletions(-)

diff --git a/4chan_x.user.js b/4chan_x.user.js
index 9b2566f4e..413141f04 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -631,9 +631,20 @@
       return sub.textContent;
     },
     comment: function(root) {
-      return ($.el('a', {
-        innerHTML: root.lastChild.innerHTML.replace(/<br>/g, '\n')
-      })).textContent;
+      var i, len, node, nodes, text;
+      text = [];
+      nodes = d.evaluate('.//node()', root.lastChild, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
+      i = 0;
+      len = nodes.snapshotLength;
+      while (i < len) {
+        node = nodes.snapshotItem(i++);
+        if (node instanceof Text) {
+          text.push(node.data);
+        } else if (node instanceof HTMLBRElement) {
+          text.push('\n');
+        }
+      }
+      return text.join('');
     },
     filename: function(root) {
       var file;
diff --git a/script.coffee b/script.coffee
index d75e92644..852cdf135 100644
--- a/script.coffee
+++ b/script.coffee
@@ -543,7 +543,17 @@ filter =
     sub = if isOP then $ '.filetitle', root else $ '.replytitle', root
     sub.textContent
   comment: (root) ->
-    ($.el 'a', innerHTML: root.lastChild.innerHTML.replace /<br>/g, '\n').textContent
+    text = []
+    nodes = d.evaluate './/node()', root.lastChild, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null
+    i = 0
+    len = nodes.snapshotLength
+    while i < len
+      node = nodes.snapshotItem i++
+      if node instanceof Text
+        text.push node.data
+      else if node instanceof HTMLBRElement
+        text.push '\n'
+    text.join ''
   filename: (root) ->
     if file = $ '.filesize > span', root
       return file.title