/thirdparty/breakpad/third_party/protobuf/protobuf/src/google/protobuf/compiler/plugin.cc
http://github.com/tomahawk-player/tomahawk · C++ · 163 lines · 105 code · 26 blank · 32 comment · 13 complexity · 851dd8b5a7e0cc56782d57dc9fc5afd9 MD5 · raw file
- // 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 GeneratorResponseContext : public GeneratorContext {
- public:
- GeneratorResponseContext(CodeGeneratorResponse* response,
- const vector<const FileDescriptor*>& parsed_files)
- : response_(response),
- parsed_files_(parsed_files) {}
- virtual ~GeneratorResponseContext() {}
- // implements GeneratorContext --------------------------------------
- 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());
- }
- void ListParsedFiles(vector<const FileDescriptor*>* output) {
- *output = parsed_files_;
- }
- private:
- CodeGeneratorResponse* response_;
- const vector<const FileDescriptor*>& parsed_files_;
- };
- 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;
- }
- }
- vector<const FileDescriptor*> parsed_files;
- for (int i = 0; i < request.file_to_generate_size(); i++) {
- parsed_files.push_back(pool.FindFileByName(request.file_to_generate(i)));
- if (parsed_files.back() == 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;
- }
- }
- CodeGeneratorResponse response;
- GeneratorResponseContext context(&response, parsed_files);
- for (int i = 0; i < parsed_files.size(); i++) {
- const FileDescriptor* file = parsed_files[i];
- string error;
- bool succeeded = generator->Generate(
- file, request.parameter(), &context, &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