From 4fa66526699007709065eb240dd36804235b1c93 Mon Sep 17 00:00:00 2001
From: Dag Odenhall <dag.odenhall@gmail.com>
Date: Thu, 17 Apr 2008 23:45:59 +0200
Subject: [PATCH] Common config API and drivers for DSL and YAML

---
 lib/amazing/config.rb                    | 66 ++++++++++++++++++++++++++++++++
 lib/amazing/config/dsl.rb                | 24 ++++++++++++
 lib/amazing/config/dsl/awesome.rb        | 26 +++++++++++++
 lib/amazing/config/dsl/awesome/widget.rb | 27 +++++++++++++
 lib/amazing/config/yaml.rb               | 11 ++++++
 5 files changed, 154 insertions(+)
 create mode 100644 lib/amazing/config.rb
 create mode 100644 lib/amazing/config/dsl.rb
 create mode 100644 lib/amazing/config/dsl/awesome.rb
 create mode 100644 lib/amazing/config/dsl/awesome/widget.rb
 create mode 100644 lib/amazing/config/yaml.rb

diff --git a/lib/amazing/config.rb b/lib/amazing/config.rb
new file mode 100644
index 0000000..2287685
--- /dev/null
+++ b/lib/amazing/config.rb
@@ -0,0 +1,66 @@
+require 'amazing/string'
+require 'amazing/config/dsl'
+require 'amazing/config/yaml'
+
+module Amazing
+  class Config < Hash
+    def initialize(config)
+      @config = config
+      case File.extname(@config)[1..-1].to_sym
+      when :rb
+        from_dsl
+      when :yml, :yaml
+        from_yaml
+      end
+    end
+
+    private
+
+    def from_dsl
+      dsl = Dsl.new(@config)
+      self[:awesome] = []
+      dsl.awesome_statusbars.each do |awesome|
+        self[:awesome] << {}
+        self[:awesome][-1][:screen] = awesome.options[:screen] || 0
+        self[:awesome][-1][:statusbar] = awesome.options[:statusbar] || "mystatusbar"
+        self[:awesome][-1][:widgets] = []
+        awesome.widgets.each do |widget|
+          self[:awesome][-1][:widgets] << {}
+          self[:awesome][-1][:widgets][-1][:identifier] = widget.identifier
+          self[:awesome][-1][:widgets][-1][:properties] = widget.properties
+          self[:awesome][-1][:widgets][-1].merge!(widget.options)
+          self[:awesome][-1][:widgets][-1][:module] ||= widget.identifier
+          self[:awesome][-1][:widgets][-1][:property] ||= "text"
+          self[:awesome][-1][:widgets][-1][:module] = self[:awesome][-1][:widgets][-1][:module].to_s.camel_case
+        end
+      end
+    end
+
+    def from_yaml
+      yaml = Yaml.new(@config)
+      self[:awesome] = []
+      yaml["awesome"].each do |awesome|
+        self[:awesome] << {}
+        self[:awesome][-1][:screen] = awesome["screen"] || 0
+        self[:awesome][-1][:statusbar] = awesome["statusbar"] || "mystatusbar"
+        self[:awesome][-1][:widgets] = []
+        awesome["widgets"].each do |widget|
+          self[:awesome][-1][:widgets] << {}
+          case widget
+          when Hash
+            self[:awesome][-1][:widgets][-1][:identifier] = widget.keys[0]
+            widget.values[0].each do |key, value|
+              self[:awesome][-1][:widgets][-1][key.to_sym] = value
+            end
+            self[:awesome][-1][:widgets][-1][:module] ||= widget.keys[0]
+          when String
+            self[:awesome][-1][:widgets][-1][:identifier] = widget
+            self[:awesome][-1][:widgets][-1][:module] = widget
+          end
+          self[:awesome][-1][:widgets][-1][:property] ||= "text"
+          self[:awesome][-1][:widgets][-1][:module] = self[:awesome][-1][:widgets][-1][:module].to_s.camel_case
+        end
+      end
+    end
+  end
+end
diff --git a/lib/amazing/config/dsl.rb b/lib/amazing/config/dsl.rb
new file mode 100644
index 0000000..f0a9989
--- /dev/null
+++ b/lib/amazing/config/dsl.rb
@@ -0,0 +1,24 @@
+require 'amazing/config/dsl/awesome'
+
+module Amazing
+  class Config < Hash
+    class Dsl
+      attr_reader :awesome_statusbars
+
+      def initialize(config=nil, &block)
+        @awesome_statusbars = []
+        import(config)
+        import(&block)
+      end
+
+      def import(config=nil, &block)
+        instance_eval(File.read(config)) if config
+        instance_eval(&block) if block
+      end
+
+      def awesome(opts={}, &block)
+        @awesome_statusbars << Awesome.new(opts, &block)
+      end
+    end
+  end
+end
diff --git a/lib/amazing/config/dsl/awesome.rb b/lib/amazing/config/dsl/awesome.rb
new file mode 100644
index 0000000..705a0f2
--- /dev/null
+++ b/lib/amazing/config/dsl/awesome.rb
@@ -0,0 +1,26 @@
+require 'amazing/config/dsl/awesome/widget'
+
+module Amazing
+  class Config < Hash
+    class Dsl
+      class Awesome
+        attr_reader :options
+        attr_reader :widgets
+
+        def initialize(opts={}, &block)
+          @options = opts
+          @widgets = []
+          instance_eval(&block)
+        end
+
+        def set(opts)
+          @options.merge!(opts)
+        end
+
+        def widget(identifier, opts={}, &block)
+          @widgets << Widget.new(identifier, opts, &block)
+        end
+      end
+    end
+  end
+end
diff --git a/lib/amazing/config/dsl/awesome/widget.rb b/lib/amazing/config/dsl/awesome/widget.rb
new file mode 100644
index 0000000..4e8a726
--- /dev/null
+++ b/lib/amazing/config/dsl/awesome/widget.rb
@@ -0,0 +1,27 @@
+module Amazing
+  class Config < Hash
+    class Dsl
+      class Awesome
+        class Widget
+          attr_reader :options
+          attr_reader :identifier
+          attr_reader :properties
+
+          def initialize(identifier, opts={}, &block)
+            @identifier, @options = identifier, opts
+            @properties = {}
+            instance_eval(&block) if block
+          end
+
+          def set(opts)
+            @options.merge!(opts)
+          end
+
+          def property(name, &block)
+            @properties[name] = block
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/lib/amazing/config/yaml.rb b/lib/amazing/config/yaml.rb
new file mode 100644
index 0000000..c059f3d
--- /dev/null
+++ b/lib/amazing/config/yaml.rb
@@ -0,0 +1,11 @@
+require 'yaml'
+
+module Amazing
+  class Config < Hash
+    class Yaml < Hash
+      def initialize(config)
+        merge!(YAML.load_file(config))
+      end
+    end
+  end
+end
-- 
2.11.4.GIT