First pass at making the compilers open-sourcable.

	Change on 2014/12/10 by nnoble <nnoble@google.com>
-------------
Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=81829127

1 files changed, 76 insertions, 0 deletions

diff --git a/src/compiler/ruby_plugin.cc b/src/compiler/ruby_plugin.cc
new file mode 100644
index 0000000000..73d1508ad0
--- /dev/null
+++ b/src/compiler/ruby_plugin.cc
@@ -0,0 +1,76 @@
+/*
+ *
+ * Copyright 2014, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+// Generates Ruby gRPC service interface out of Protobuf IDL.
+//
+// This is a Proto2 compiler plugin.  See net/proto2/compiler/proto/plugin.proto
+// and net/proto2/compiler/public/plugin.h for more information on plugins.
+
+#include <memory>
+
+#include "src/compiler/ruby_generator.h"
+#include "src/compiler/ruby_generator_helpers-inl.h"
+#include <google/protobuf/compiler/code_generator.h>
+#include <google/protobuf/compiler/plugin.h>
+#include <google/protobuf/io/coded_stream.h>
+#include <google/protobuf/io/zero_copy_stream.h>
+#include <google/protobuf/descriptor.h>
+
+class RubyGrpcGenerator : public google::protobuf::compiler::CodeGenerator {
+ public:
+  RubyGrpcGenerator() {}
+  ~RubyGrpcGenerator() override {}
+
+  bool Generate(const google::protobuf::FileDescriptor* file,
+                const string& parameter,
+                google::protobuf::compiler::GeneratorContext* context,
+                string* error) const override {
+    // Get output file name.
+    string file_name;
+    if (!grpc_ruby_generator::ServicesFilename(file, &file_name)) {
+      return false;
+    }
+
+    std::unique_ptr<google::protobuf::io::ZeroCopyOutputStream> output(
+        context->OpenForInsert(file_name, "module_scope"));
+    google::protobuf::io::CodedOutputStream coded_out(output.get());
+    string code = grpc_ruby_generator::GetServices(file);
+    coded_out.WriteRaw(code.data(), code.size());
+    return true;
+  }
+};
+
+int main(int argc, char* argv[]) {
+  RubyGrpcGenerator generator;
+  return google::protobuf::compiler::PluginMain(argc, argv, &generator);
+}