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Diffstat (limited to 'src/google/protobuf/compiler/javanano/javanano_generator.cc')
| -rw-r--r-- | src/google/protobuf/compiler/javanano/javanano_generator.cc | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/src/google/protobuf/compiler/javanano/javanano_generator.cc b/src/google/protobuf/compiler/javanano/javanano_generator.cc new file mode 100644 index 0000000..554f6d4 --- /dev/null +++ b/src/google/protobuf/compiler/javanano/javanano_generator.cc @@ -0,0 +1,170 @@ +// 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) +// Based on original Protocol Buffers design by +// Sanjay Ghemawat, Jeff Dean, and others. + +#include <google/protobuf/compiler/javanano/javanano_params.h> +#include <google/protobuf/compiler/javanano/javanano_generator.h> +#include <google/protobuf/compiler/javanano/javanano_file.h> +#include <google/protobuf/compiler/javanano/javanano_helpers.h> +#include <google/protobuf/io/printer.h> +#include <google/protobuf/io/zero_copy_stream.h> +#include <google/protobuf/descriptor.pb.h> +#include <google/protobuf/stubs/strutil.h> + +namespace google { +namespace protobuf { +namespace compiler { +namespace javanano { + +void UpdateParamsRecursively(Params& params, + const FileDescriptor* file) { + // Add any parameters for this file + if (file->options().has_java_outer_classname()) { + params.set_java_outer_classname( + file->name(), file->options().java_outer_classname()); + } + if (file->options().has_java_package()) { + params.set_java_package( + file->name(), file->options().java_package()); + } + + // Loop through all dependent files recursively + // adding dep + for (int i = 0; i < file->dependency_count(); i++) { + UpdateParamsRecursively(params, file->dependency(i)); + } +} + +JavaNanoGenerator::JavaNanoGenerator() {} +JavaNanoGenerator::~JavaNanoGenerator() {} + +bool JavaNanoGenerator::Generate(const FileDescriptor* file, + const string& parameter, + OutputDirectory* output_directory, + string* error) const { + vector<pair<string, string> > options; + + ParseGeneratorParameter(parameter, &options); + + // ----------------------------------------------------------------- + // parse generator options + + // Name a file where we will write a list of generated file names, one + // per line. + string output_list_file; + Params params(file->name()); + + // Get options from the proto file + if (file->options().has_java_multiple_files()) { + params.set_java_multiple_files(file->options().java_multiple_files()); + } + + // Update per file params + UpdateParamsRecursively(params, file); + + // Replace any existing options with ones from command line + for (int i = 0; i < options.size(); i++) { + if (options[i].first == "output_list_file") { + output_list_file = options[i].second; + } else if (options[i].first == "java_package") { + vector<string> parts; + SplitStringUsing(options[i].second, "|", &parts); + if (parts.size() != 2) { + *error = "Bad java_package, expecting filename|PackageName found '" + + options[i].second + "'"; + return false; + } + params.set_java_package(parts[0], parts[1]); + } else if (options[i].first == "java_outer_classname") { + vector<string> parts; + SplitStringUsing(options[i].second, "|", &parts); + if (parts.size() != 2) { + *error = "Bad java_outer_classname, " + "expecting filename|ClassName found '" + + options[i].second + "'"; + return false; + } + params.set_java_outer_classname(parts[0], parts[1]); + } else if (options[i].first == "java_multiple_files") { + params.set_java_multiple_files(options[i].second == "true"); + } else { + *error = "Ignore unknown javanano generator option: " + options[i].first; + } + } + + // ----------------------------------------------------------------- + + FileGenerator file_generator(file, params); + if (!file_generator.Validate(error)) { + return false; + } + + string package_dir = + StringReplace(file_generator.java_package(), ".", "/", true); + if (!package_dir.empty()) package_dir += "/"; + + vector<string> all_files; + + string java_filename = package_dir; + java_filename += file_generator.classname(); + java_filename += ".java"; + all_files.push_back(java_filename); + + // Generate main java file. + scoped_ptr<io::ZeroCopyOutputStream> output( + output_directory->Open(java_filename)); + io::Printer printer(output.get(), '$'); + file_generator.Generate(&printer); + + // Generate sibling files. + file_generator.GenerateSiblings(package_dir, output_directory, &all_files); + + // Generate output list if requested. + if (!output_list_file.empty()) { + // Generate output list. This is just a simple text file placed in a + // deterministic location which lists the .java files being generated. + scoped_ptr<io::ZeroCopyOutputStream> srclist_raw_output( + output_directory->Open(output_list_file)); + io::Printer srclist_printer(srclist_raw_output.get(), '$'); + for (int i = 0; i < all_files.size(); i++) { + srclist_printer.Print("$filename$\n", "filename", all_files[i]); + } + } + + return true; +} + +} // namespace java +} // namespace compiler +} // namespace protobuf +} // namespace google |