Add Regexp.quote as an alias of Regexp.escape

adambeynon · adambeynon · commit 64e0455b5949 · 2014-01-27T15:08:22.000Z
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -117,6 +117,8 @@
 
 *   Fix `Regexp.escape` to properly escape \n, \t, \r, \f characters.
 
+*   Add `Regexp.quote` as an alias of `escape`.
+
 ## 0.5.5 2013-11-25
 
 *   Fix regression: add `%i[foo bar]` style words back to lexer
diff --git a/opal/corelib/regexp.rb b/opal/corelib/regexp.rb
@@ -1,22 +1,26 @@
 class Regexp
   `def._isRegexp = true`
 
-  def self.escape(string)
-    %x{
-      return string.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$| ]/g, '\\$&')
-                   .replace(/[\n]/g, '\\n')
-                   .replace(/[\r]/g, '\\r')
-                   .replace(/[\f]/g, '\\f')
-                   .replace(/[\t]/g, '\\t');
-    }
-  end
+  class << self
+    def escape(string)
+      %x{
+        return string.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$| ]/g, '\\$&')
+                     .replace(/[\n]/g, '\\n')
+                     .replace(/[\r]/g, '\\r')
+                     .replace(/[\f]/g, '\\f')
+                     .replace(/[\t]/g, '\\t');
+      }
+    end
 
-  def self.union(*parts)
-    `new RegExp(parts.join(''))`
-  end
+    alias quote escape
+
+    def union(*parts)
+      `new RegExp(parts.join(''))`
+    end
 
-  def self.new(regexp, options = undefined)
-    `new RegExp(regexp, options)`
+    def new(regexp, options = undefined)
+      `new RegExp(regexp, options)`
+    end
   end
 
   def ==(other)
diff --git a/spec/opal/filters/unsupported/encoding.rb b/spec/opal/filters/unsupported/encoding.rb
@@ -54,3 +54,9 @@
   fails "Regexp.escape sets the encoding of the result to the encoding of the String if any non-US-ASCII characters are present in an input String with valid encoding"
   fails "Regexp.escape sets the encoding of the result to ASCII-8BIT if any non-US-ASCII characters are present in an input String with invalid encoding"
 end
+
+opal_filter "Regexp.quote" do
+  fails "Regexp.quote sets the encoding of the result to US-ASCII if there are only US-ASCII characters present in the input String"
+  fails "Regexp.quote sets the encoding of the result to the encoding of the String if any non-US-ASCII characters are present in an input String with valid encoding"
+  fails "Regexp.quote sets the encoding of the result to ASCII-8BIT if any non-US-ASCII characters are present in an input String with invalid encoding"
+end
diff --git a/spec/opal/rubyspecs b/spec/opal/rubyspecs
@@ -188,7 +188,7 @@ core/time/year_spec
 
 core/regexp/escape_spec
 core/regexp/match_spec
-#core/regexp/quote_spec
+core/regexp/quote_spec
 
 language/BEGIN_spec
 language/alias_spec
