symbolize_keys method. fix for #33

Erik Gustavson
1 parent 4884d455
Showing 2 changed files with 34 additions and 2 deletions Show diff stats
lib/settingslogic.rb
spec/settingslogic_spec.rb
@@ -10,7 +10,7 @@ class Settingslogic &lt; Hash
     def name # :nodoc:
       self.superclass != Hash && instance.key?("name") ? instance.name : super
     end
-
+        
     # Enables Settings.get('nested.key.name') for dynamic access
     def get(key)
       parts = key.split('.')
@@ -167,7 +167,22 @@ class Settingslogic &lt; Hash
       end
     EndEval
   end
-
+  
+  def symbolize_keys
+    
+    inject({}) do |memo, tuple|
+      
+      k = (tuple.first.to_sym rescue tuple.first) || tuple.first
+            
+      v = k.is_a?(Symbol) ? send(k) : tuple.last # make sure the value is accessed the same way Settings.foo.bar works
+      
+      memo[k] = v && v.respond_to?(:symbolize_keys) ? v.symbolize_keys : v #recurse for nested hashes
+      
+      memo
+    end
+    
+  end
+  
   def missing_key(msg)
     return nil if self.class.suppress_errors
  
@@ -152,6 +152,23 @@ describe &quot;Settingslogic&quot; do
   it "should allow a name setting to be overriden" do
     Settings.name.should == 'test'
   end
+  
+  it "should allow symbolize_keys" do
+    Settings.reload!
+    result = Settings.language.haskell.symbolize_keys 
+    result.class.should == Hash
+    result.should == {:paradigm => "functional"} 
+  end
+  
+  it "should allow symbolize_keys on nested hashes" do
+    Settings.reload!
+    result = Settings.language.symbolize_keys
+    result.class.should == Hash
+    result.should == {
+      :haskell => {:paradigm => "functional"},
+      :smalltalk => {:paradigm => "object oriented"}
+    }
+  end
  
   # Put this test last or else call to .instance will load @instance,
   # masking bugs.
...	...	@@ -10,7 +10,7 @@ class Settingslogic < Hash
10	10	def name # :nodoc:
11	11	self.superclass != Hash && instance.key?("name") ? instance.name : super
12	12	end
13		-
	13	+
14	14	# Enables Settings.get('nested.key.name') for dynamic access
15	15	def get(key)
16	16	parts = key.split('.')
...	...	@@ -167,7 +167,22 @@ class Settingslogic < Hash
167	167	end
168	168	EndEval
169	169	end
170		-
	170	+
	171	+ def symbolize_keys
	172	+
	173	+ inject({}) do \|memo, tuple\|
	174	+
	175	+ k = (tuple.first.to_sym rescue tuple.first) \|\| tuple.first
	176	+
	177	+ v = k.is_a?(Symbol) ? send(k) : tuple.last # make sure the value is accessed the same way Settings.foo.bar works
	178	+
	179	+ memo[k] = v && v.respond_to?(:symbolize_keys) ? v.symbolize_keys : v #recurse for nested hashes
	180	+
	181	+ memo
	182	+ end
	183	+
	184	+ end
	185	+
171	186	def missing_key(msg)
172	187	return nil if self.class.suppress_errors
173	188
...	...
...	...	@@ -152,6 +152,23 @@ describe "Settingslogic" do
152	152	it "should allow a name setting to be overriden" do
153	153	Settings.name.should == 'test'
154	154	end
	155	+
	156	+ it "should allow symbolize_keys" do
	157	+ Settings.reload!
	158	+ result = Settings.language.haskell.symbolize_keys
	159	+ result.class.should == Hash
	160	+ result.should == {:paradigm => "functional"}
	161	+ end
	162	+
	163	+ it "should allow symbolize_keys on nested hashes" do
	164	+ Settings.reload!
	165	+ result = Settings.language.symbolize_keys
	166	+ result.class.should == Hash
	167	+ result.should == {
	168	+ :haskell => {:paradigm => "functional"},
	169	+ :smalltalk => {:paradigm => "object oriented"}
	170	+ }
	171	+ end
155	172
156	173	# Put this test last or else call to .instance will load @instance,
157	174	# masking bugs.
...	...