1 files changed, 152 insertions, 0 deletions
diff --git a/src/google/protobuf/compiler/plugin.cc b/src/google/protobuf/compiler/plugin.cc
new file mode 100644
index 0000000..a4aedaf
--- /dev/null
+++ b/src/google/protobuf/compiler/plugin.cc
@@ -0,0 +1,152 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// 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.
+
+// Author: kenton@google.com (Kenton Varda)
+
+#include <google/protobuf/compiler/plugin.h>
+
+#include <iostream>
+#include <set>
+
+#ifdef _WIN32
+#include <io.h>
+#include <fcntl.h>
+#ifndef STDIN_FILENO
+#define STDIN_FILENO 0
+#endif
+#ifndef STDOUT_FILENO
+#define STDOUT_FILENO 1
+#endif
+#else
+#include <unistd.h>
+#endif
+
+#include <google/protobuf/stubs/common.h>
+#include <google/protobuf/compiler/plugin.pb.h>
+#include <google/protobuf/compiler/code_generator.h>
+#include <google/protobuf/descriptor.h>
+#include <google/protobuf/io/zero_copy_stream_impl.h>
+
+
+namespace google {
+namespace protobuf {
+namespace compiler {
+
+class GeneratorResponseOutputDirectory : public OutputDirectory {
+ public:
+  GeneratorResponseOutputDirectory(CodeGeneratorResponse* response)
+      : response_(response) {}
+  virtual ~GeneratorResponseOutputDirectory() {}
+
+  // implements OutputDirectory --------------------------------------
+
+  virtual io::ZeroCopyOutputStream* Open(const string& filename) {
+    CodeGeneratorResponse::File* file = response_->add_file();
+    file->set_name(filename);
+    return new io::StringOutputStream(file->mutable_content());
+  }
+
+  virtual io::ZeroCopyOutputStream* OpenForInsert(
+      const string& filename, const string& insertion_point) {
+    CodeGeneratorResponse::File* file = response_->add_file();
+    file->set_name(filename);
+    file->set_insertion_point(insertion_point);
+    return new io::StringOutputStream(file->mutable_content());
+  }
+
+ private:
+  CodeGeneratorResponse* response_;
+};
+
+int PluginMain(int argc, char* argv[], const CodeGenerator* generator) {
+
+  if (argc > 1) {
+    cerr << argv[0] << ": Unknown option: " << argv[1] << endl;
+    return 1;
+  }
+
+#ifdef _WIN32
+  _setmode(STDIN_FILENO, _O_BINARY);
+  _setmode(STDOUT_FILENO, _O_BINARY);
+#endif
+
+  CodeGeneratorRequest request;
+  if (!request.ParseFromFileDescriptor(STDIN_FILENO)) {
+    cerr << argv[0] << ": protoc sent unparseable request to plugin." << endl;
+    return 1;
+  }
+
+  DescriptorPool pool;
+  for (int i = 0; i < request.proto_file_size(); i++) {
+    const FileDescriptor* file = pool.BuildFile(request.proto_file(i));
+    if (file == NULL) {
+      // BuildFile() already wrote an error message.
+      return 1;
+    }
+  }
+
+  CodeGeneratorResponse response;
+  GeneratorResponseOutputDirectory output_directory(&response);
+
+  for (int i = 0; i < request.file_to_generate_size(); i++) {
+    const FileDescriptor* file =
+        pool.FindFileByName(request.file_to_generate(i));
+    if (file == NULL) {
+      cerr << argv[0] << ": protoc asked plugin to generate a file but "
+              "did not provide a descriptor for the file: "
+           << request.file_to_generate(i) << endl;
+      return 1;
+    }
+
+    string error;
+    bool succeeded = generator->Generate(
+        file, request.parameter(), &output_directory, &error);
+
+    if (!succeeded && error.empty()) {
+      error = "Code generator returned false but provided no error "
+              "description.";
+    }
+    if (!error.empty()) {
+      response.set_error(file->name() + ": " + error);
+      break;
+    }
+  }
+
+  if (!response.SerializeToFileDescriptor(STDOUT_FILENO)) {
+    cerr << argv[0] << ": Error writing to stdout." << endl;
+    return 1;
+  }
+
+  return 0;
+}
+
+}  // namespace compiler
+}  // namespace protobuf
+}  // namespace google