Add bin and edit workflow

bin/gems/yell-2.2.2/lib/yell/adapters.rb

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+module Yell #:nodoc:
+  # AdapterNotFound is raised whenever you want to instantiate an 
+  # adapter that does not exist.
+  class AdapterNotFound < StandardError; end
+
+  # This module provides the interface to attaching adapters to
+  # the logger. You should not have to call the corresponding classes
+  # directly.
+  module Adapters
+    class Collection
+      def initialize( options = {} )
+        @options = options
+        @collection = []
+      end
+
+      def add( type = :file, *args, &block )
+        options = [@options, *args].inject(Hash.new) do |h, c|
+          h.merge( [String, Pathname].include?(c.class) ? {:filename => c} : c  )
+        end
+
+        # remove possible :null adapters
+        @collection.shift if @collection.first.instance_of?(Yell::Adapters::Base)
+
+        new_adapter = Yell::Adapters.new(type, options, &block)
+        @collection.push(new_adapter)
+
+        new_adapter
+      end
+
+      def empty?
+        @collection.empty?
+      end
+
+      # @private
+      def write( event )
+        @collection.each { |c| c.write(event) }
+        true
+      end
+
+      # @private
+      def close
+        @collection.each { |c| c.close }
+      end
+    end
+
+    # holds the list of known adapters
+    @adapters = {}
+
+    # Register your own adapter here
+    #
+    # @example
+    #   Yell::Adapters.register( :myadapter, MyAdapter )
+    def self.register( name, klass )
+      @adapters[name.to_sym] = klass
+    end
+
+    # Returns an instance of the given processor type.
+    #
+    # @example A simple file adapter
+    #   Yell::Adapters.new( :file )
+    def self.new( type, options = {}, &block )
+      return type if type.is_a?(Yell::Adapters::Base)
+
+      adapter = case type
+      when STDOUT then @adapters[:stdout]
+      when STDERR then @adapters[:stderr]
+      else @adapters[type.to_sym]
+      end
+
+      raise AdapterNotFound.new(type) if adapter.nil?
+      adapter.new(options, &block)
+    end
+  end
+end
+
+# Base for all adapters
+require File.dirname(__FILE__) + '/adapters/base'
+
+# IO based adapters
+require File.dirname(__FILE__) + '/adapters/io'
+require File.dirname(__FILE__) + '/adapters/streams'
+require File.dirname(__FILE__) + '/adapters/file'
+require File.dirname(__FILE__) + '/adapters/datefile'
+