From fa97886c7aab5b8bb7b58c5a830b8af31b079b3b Mon Sep 17 00:00:00 2001
From: rick <technoweenie@gmail.com>
Date: Thu, 25 Sep 2008 00:02:38 -0700
Subject: [PATCH] change ActiveSupport::Inflector#parameterize to strip special characters inside words

---
 activesupport/lib/active_support/inflector.rb |   15 ++++++++-------
 activesupport/test/inflector_test_cases.rb    |    7 ++++++-
 2 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/activesupport/lib/active_support/inflector.rb b/activesupport/lib/active_support/inflector.rb
index 89a93f4..7e6fdf1 100644
--- a/activesupport/lib/active_support/inflector.rb
+++ b/activesupport/lib/active_support/inflector.rb
@@ -254,16 +254,17 @@ module ActiveSupport
     #   @person = Person.find(1)
     #   # => #<Person id: 1, name: "Donald E. Knuth">
     #
-    #   <%= link_to(@person.name, person_path %>
+    #   <%= link_to(@person.name, person_path) %>
     #   # => <a href="/person/1-donald-e-knuth">Donald E. Knuth</a>
     def parameterize(string, sep = '-')
       re_sep = Regexp.escape(sep)
-      string.mb_chars.normalize(:kd).       # Decompose accented characters
-        gsub(/[^\x00-\x7F]+/, '').          # Remove anything non-ASCII entirely (e.g. diacritics).
-        gsub(/[^a-z0-9\-_\+]+/i, sep).      # Turn unwanted chars into the separator.
-        squeeze(sep).                       # No more than one of the separator in a row.
-        gsub(/^#{re_sep}|#{re_sep}$/i, ''). # Remove leading/trailing separator.
-        downcase
+      result = string.mb_chars.normalize(:kd)    # Decompose accented characters
+      result.gsub!(/[^\x00-\x7F]+/, '')          # Remove anything non-ASCII entirely (e.g. diacritics).
+      result.gsub!(/[^\w_ #{re_sep}]+/i, '')     # Remove unwanted chars.
+      result.gsub!(/[ #{re_sep}]+/i, sep)        # No more than one of the separator in a row.
+      result.gsub!(/^#{re_sep}|#{re_sep}$/i, '') # Remove leading/trailing separator.
+      result.downcase!
+      result
     end
 
     # Create the name of a table like Rails does for models to table names. This method
diff --git a/activesupport/test/inflector_test_cases.rb b/activesupport/test/inflector_test_cases.rb
index fc7a35f..5741888 100644
--- a/activesupport/test/inflector_test_cases.rb
+++ b/activesupport/test/inflector_test_cases.rb
@@ -150,7 +150,12 @@ module InflectorTestCases
     "Allow_Under_Scores"                  => "allow_under_scores",
     "Trailing bad characters!@#"          => "trailing-bad-characters",
     "!@#Leading bad characters"           => "leading-bad-characters",
-    "Squeeze   separators"                => "squeeze-separators"
+    "Trailing separators--"               => "trailing-separators",
+    "--Leading separators"                => "leading-separators",
+    "Trailing spaces  "                   => "trailing-spaces",
+    "  Leading spaces"                    => "leading-spaces",
+    "Squeeze   separators"                => "squeeze-separators",
+    "Fool's Errand"                       => "fools-errand"
   }
 
   UnderscoreToHuman = {
-- 
1.6.0.2