Add Pod::Generator::UmbrellaHeader

lib/cocoapods.rb

@@ -60,6 +60,7 @@ module Pod
     autoload :InfoPlistFile,           'cocoapods/generator/info_plist_file'
     autoload :PrefixHeader,            'cocoapods/generator/prefix_header'
     autoload :TargetEnvironmentHeader, 'cocoapods/generator/target_environment_header'
+    autoload :UmbrellaHeader,          'cocoapods/generator/umbrella_header'
     autoload :XCConfig,                'cocoapods/generator/xcconfig'
   end
 

lib/cocoapods/generator/umbrella_header.rb

+module Pod
+  module Generator
+    # Generates an umbrella header file for clang modules, which are used by
+    # dynamic frameworks on iOS 8 and OSX 10.10 under the hood.
+    #
+    # If the target is a +PodTarget+, then the umbrella header is required
+    # to make all public headers in a convenient manner available without the
+    # need to write out header declarations for every library header.
+    #
+    class UmbrellaHeader < Header
+      # @return [Target]
+      #         the target, which provides the product name
+      attr_accessor :target
+
+      # @param  [Target] target
+      #         @see target
+      #
+      def initialize(target)
+        super(target.target_definition.platform)
+        @target = target
+      end
+
+      # Generates the contents of the umbrella header according to the included
+      # pods.
+      #
+      # @return [String]
+      #
+      def generate
+        result = super
+
+        result << "\n"
+
+        result << <<-eos.strip_heredoc
+        FOUNDATION_EXPORT double #{target.product_module_name}VersionNumber;
+        FOUNDATION_EXPORT const unsigned char #{target.product_module_name}VersionString[];
+        eos
+
+        result << "\n"
+
+        result
+      end
+    end
+  end
+end