svn commit: r919299 - in /buildr/trunk: CHANGELOG addon/buildr/protobuf.rb

[bo...@apache.org]

Author: boisvert
Date: Fri Mar  5 05:34:26 2010
New Revision: 919299

URL: http://svn.apache.org/viewvc?rev=919299&view=rev
Log:
BUILDR-368 Support protocol buffer code generation (Pepijn Van Eeckhoudt)

Added:
    buildr/trunk/addon/buildr/protobuf.rb
Modified:
    buildr/trunk/CHANGELOG

Modified: buildr/trunk/CHANGELOG
URL: http://svn.apache.org/viewvc/buildr/trunk/CHANGELOG?rev=919299&r1=919298&r2=919299&view=diff
==============================================================================
--- buildr/trunk/CHANGELOG (original)
+++ buildr/trunk/CHANGELOG Fri Mar  5 05:34:26 2010
@@ -19,6 +19,8 @@
           command line (and ignore transitive test dependencies)
 * Added:  ArtifactNamespace.{keys,clear} methods
 * Added:  BUILDR-326 Support unzipping tar.gz files (Antoine Toulme)
+* Added:  BUILDR-368 Support protocol buffer code generation 
+          (Pepijn Van Eeckhoudt)
 * Added:  BUILDR-375 Buildr now recognizes buildfile.rb and Buildfile.rb
           (Kerry Wilson)
 * Added:  BUILDR-390 Buildr::group() should accept :classifier argument

Added: buildr/trunk/addon/buildr/protobuf.rb
URL: http://svn.apache.org/viewvc/buildr/trunk/addon/buildr/protobuf.rb?rev=919299&view=auto
==============================================================================
--- buildr/trunk/addon/buildr/protobuf.rb (added)
+++ buildr/trunk/addon/buildr/protobuf.rb Fri Mar  5 05:34:26 2010
@@ -0,0 +1,75 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with this
+# work for additional information regarding copyright ownership.  The ASF
+# licenses this file to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations under
+# the License.
+
+
+module Buildr
+  # Provides Protocol buffer code generation tasks. Require explicitly using <code>require "buildr/protobuf"</code>.
+  module Protobuf
+    class << self
+      def protoc(*args)
+        options = Hash === args.last ? args.pop : {}
+        rake_check_options options, :output, :lang, :include
+
+        options[:lang] ||= :java
+        options[:output] ||= File.expand_path "target/generated/protoc"
+        options[:include] ||= []
+
+        command_line = []
+
+        command_line << "--#{options[:lang]}_out=#{options[:output]}" if options[:output]
+        
+        (paths_from_sources(*args) + options[:include]).each { |i| command_line << "-I#{i}" }
+
+        command_line += files_from_sources(*args)
+
+        mkdir_p( options[:output] )
+
+        system protoc_path, *command_line
+      end
+
+      def protoc_path
+        ENV['PROTOC'] || "protoc"
+      end
+
+      def files_from_sources(*args)
+        args.flatten.map(&:to_s).collect { |f| File.directory?(f) ? FileList[f + "/**/*.proto"] : f }.flatten
+      end
+
+      def paths_from_sources(*args)
+        args.flatten.map(&:to_s).collect { |f| File.directory?(f) ? f : File.dirname(f) }
+      end
+    end
+
+    def protoc(*args)
+      if Hash === args.last
+        options = args.pop 
+      else
+        options = {}
+      end
+
+      options[:output] ||= path_to(:target, :generated, :protoc)
+      options[:lang] ||= compile.language if compile.language
+
+      file(options[:output]=>Protobuf.files_from_sources(*args)) do |task|
+        Protobuf.protoc task.prerequisites, options
+      end         
+    end
+
+  end
+  
+  class Project
+    include Protobuf
+  end
+end