| // 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(); |
| 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 |