From 2da3a85740963a5dc4e9390115e13139f97511e2 Mon Sep 17 00:00:00 2001
From: Giuseppe Bilotta <giuseppe.bilotta@gmail.com>
Date: Tue, 18 Sep 2007 06:15:45 +0000
Subject: HTML processing refactoring: HTML title extraction is now a String
 method

---
 data/rbot/plugins/url.rb       |  4 +---
 lib/rbot/core/utils/extends.rb | 14 ++++++++++++++
 lib/rbot/core/utils/utils.rb   |  5 ++++-
 3 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/data/rbot/plugins/url.rb b/data/rbot/plugins/url.rb
index 6e609130..0809288f 100644
--- a/data/rbot/plugins/url.rb
+++ b/data/rbot/plugins/url.rb
@@ -9,7 +9,6 @@ class ::UrlLinkError < RuntimeError
 end
 
 class UrlPlugin < Plugin
-  TITLE_RE = /<\s*?title\s*?>(.+?)<\s*?\/title\s*?>/im
   LINK_INFO = "[Link Info]"
   OUR_UNSAFE = Regexp.new("[^#{URI::PATTERN::UNRESERVED}#{URI::PATTERN::RESERVED}%# ]", false, 'N')
 
@@ -53,8 +52,7 @@ class UrlPlugin < Plugin
   end
 
   def get_title_from_html(pagedata)
-    return unless TITLE_RE.match(pagedata)
-    $1.ircify_html
+    return pagedata.ircify_html_title
   end
 
   def get_title_for_url(uri_str, opts = {})
diff --git a/lib/rbot/core/utils/extends.rb b/lib/rbot/core/utils/extends.rb
index e0c781b1..0b07257a 100644
--- a/lib/rbot/core/utils/extends.rb
+++ b/lib/rbot/core/utils/extends.rb
@@ -178,6 +178,20 @@ class ::String
   def riphtml
     self.gsub(/<[^>]+>/, '').gsub(/&amp;/,'&').gsub(/&quot;/,'"').gsub(/&lt;/,'<').gsub(/&gt;/,'>').gsub(/&ellip;/,'...').gsub(/&apos;/, "'").gsub("\n",'')
   end
+
+  # This method tries to find an HTML title in the string,
+  # and returns it if found
+  def get_html_title
+    return unless Irc::Utils::TITLE_REGEX.match(self)
+    $1
+  end
+
+  # This method returns the IRC-formatted version of an
+  # HTML title found in the string
+  def ircify_html_title
+    return unless Irc::Utils::TITLE_REGEX.match(self)
+    $1.ircify_html
+  end
 end
 
 
diff --git a/lib/rbot/core/utils/utils.rb b/lib/rbot/core/utils/utils.rb
index a4f071a2..0b10b52f 100644
--- a/lib/rbot/core/utils/utils.rb
+++ b/lib/rbot/core/utils/utils.rb
@@ -317,7 +317,10 @@ rescue LoadError
   else
     module ::Irc
       module Utils
-        # Define some regular expressions to be used by first_html_par
+        # Some regular expressions to manage HTML data
+
+        # Title
+        TITLE_REGEX = /<\s*?title\s*?>(.+?)<\s*?\/title\s*?>/im
 
         # H1, H2, etc
         HX_REGEX = /<h(\d)(?:\s+[^>]*)?>(.*?)<\/h\1>/im
-- 
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