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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/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());
}
if (file->options().has_java_multiple_files()) {
params.set_java_multiple_files(
file->name(), file->options().java_multiple_files());
}
// 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());
// 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 == "store_unknown_fields") {
params.set_store_unknown_fields(options[i].second == "true");
} else if (options[i].first == "java_multiple_files") {
params.set_override_java_multiple_files(options[i].second == "true");
} else if (options[i].first == "java_nano_generate_has") {
params.set_generate_has(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;
if (IsOuterClassNeeded(params, file)) {
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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