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// 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/java/java_generator.h>
#include <google/protobuf/compiler/java/java_file.h>
#include <google/protobuf/compiler/java/java_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 java {
JavaGenerator::JavaGenerator() {}
JavaGenerator::~JavaGenerator() {}
bool JavaGenerator::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;
for (int i = 0; i < options.size(); i++) {
if (options[i].first == "output_list_file") {
output_list_file = options[i].second;
} else {
*error = "Unknown generator option: " + options[i].first;
return false;
}
}
// -----------------------------------------------------------------
FileGenerator file_generator(file);
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
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