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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 {
+
+namespace {
+
+string TrimString(const string& s) {
+ string::size_type start = s.find_first_not_of(" \n\r\t");
+ if (start == string::npos) {
+ return "";
+ }
+ string::size_type end = s.find_last_not_of(" \n\r\t") + 1;
+ return s.substr(start, end - start);
+}
+
+} // namespace
+
+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()) {
+ string result = file->options().java_package();
+ if (!result.empty()) {
+ result += ".";
+ }
+ result += "nano";
+ params.set_java_package(
+ file->name(), result);
+ }
+ 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,
+ GeneratorContext* 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++) {
+ string option_name = TrimString(options[i].first);
+ string option_value = TrimString(options[i].second);
+ if (option_name == "output_list_file") {
+ output_list_file = option_value;
+ } else if (option_name == "java_package") {
+ vector<string> parts;
+ SplitStringUsing(option_value, "|", &parts);
+ if (parts.size() != 2) {
+ *error = "Bad java_package, expecting filename|PackageName found '"
+ + option_value + "'";
+ return false;
+ }
+ params.set_java_package(parts[0], parts[1]);
+ } else if (option_name == "java_outer_classname") {
+ vector<string> parts;
+ SplitStringUsing(option_value, "|", &parts);
+ if (parts.size() != 2) {
+ *error = "Bad java_outer_classname, "
+ "expecting filename|ClassName found '"
+ + option_value + "'";
+ return false;
+ }
+ params.set_java_outer_classname(parts[0], parts[1]);
+ } else if (option_name == "store_unknown_fields") {
+ params.set_store_unknown_fields(option_value == "true");
+ } else if (option_name == "java_multiple_files") {
+ params.set_override_java_multiple_files(option_value == "true");
+ } else if (option_name == "java_nano_generate_has") {
+ params.set_generate_has(option_value == "true");
+ } else if (option_name == "enum_style") {
+ params.set_java_enum_style(option_value == "java");
+ } else if (option_name == "optional_field_style") {
+ params.set_optional_field_accessors(option_value == "accessors");
+ params.set_use_reference_types_for_primitives(option_value == "reftypes"
+ || option_value == "reftypes_compat_mode");
+ params.set_reftypes_primitive_enums(
+ option_value == "reftypes_compat_mode");
+ if (option_value == "reftypes_compat_mode") {
+ params.set_generate_clear(false);
+ }
+ } else if (option_name == "generate_equals") {
+ params.set_generate_equals(option_value == "true");
+ } else if (option_name == "ignore_services") {
+ params.set_ignore_services(option_value == "true");
+ } else if (option_name == "parcelable_messages") {
+ params.set_parcelable_messages(option_value == "true");
+ } else if (option_name == "generate_clone") {
+ params.set_generate_clone(option_value == "true");
+ } else if (option_name == "generate_intdefs") {
+ params.set_generate_intdefs(option_value == "true");
+ } else if (option_name == "generate_clear") {
+ params.set_generate_clear(option_value == "true");
+ } else {
+ *error = "Ignore unknown javanano generator option: " + option_name;
+ }
+ }
+
+ // Check illegal parameter combinations
+ // Note: the enum-like optional_field_style generator param ensures
+ // that we can never have illegal combinations of field styles
+ // (e.g. reftypes and accessors can't be on at the same time).
+ if (params.generate_has()
+ && (params.optional_field_accessors()
+ || params.use_reference_types_for_primitives())) {
+ error->assign("java_nano_generate_has=true cannot be used in conjunction"
+ " with optional_field_style=accessors or optional_field_style=reftypes");
+ return false;
+ }
+
+ // -----------------------------------------------------------------
+
+ 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