Add methods to ordered_hash for use is docomo_css

lib/tiny_css/ordered_hash.rb

@@ -44,5 +44,27 @@ def inspect
       each { |k, v| ary << "#{ k.inspect }=>#{ v.inspect }" }
       "{#{ ary.join(', ') }}"
     end
+
+    def to_s
+      map { |k, v| "#{ k }:#{ v }" }.join ';'
+    end
+
+    def empty?
+      @hash.empty?
+    end
+
+    def key?(key)
+      keys.include?(key)
+    end
+
+    def split(*keys_to_split)
+      h = self.class.new
+      keys.detect {|k| keys_to_split.include?(k) }.each do |k|
+        if v = delete(k)
+          h[k] = v
+        end
+      end
+      h
+    end
   end
 end

spec/ordered_hash_spec.rb

@@ -185,3 +185,44 @@
   end
 end
 
+describe OrderedHash, "to_s" do
+  before do
+    @oh = OrderedHash.new
+    @oh["color"] = "red"
+    @oh["font"] = "x-small"
+  end
+
+  it "should list the styles" do
+    @oh.to_s.should == "color:red;font:x-small"
+  end
+end
+
+describe OrderedHash, "split" do
+  before do
+    @oh = OrderedHash.new
+    @oh["color"] = "red"
+    @oh["font"] = "x-small"
+
+    @split_hash = @oh.split("color")
+  end
+
+  describe "split hash" do
+    it "should contain split key" do
+      @split_hash["color"].should == "red"
+    end
+    it "should not contain non-split key" do
+      @split_hash.key?("font").should == false
+    end
+  end
+
+  describe "original hash" do
+    it "should not contain split key" do
+      @oh.key?("color").should == false
+    end
+    it "should contain non-split key" do
+      @oh["font"].should == "x-small"
+    end
+  end
+
+end
+

tiny_css.gemspec

@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name = "tiny_css"
-  s.version = "0.0.2"
+  s.version = "0.1.0"
   s.date = "2008-07-10"
   s.summary = ""
   s.email = "info@milk1000.cc"