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      1 // Protocol Buffers - Google's data interchange format
      2 // Copyright 2008 Google Inc.  All rights reserved.
      3 // https://developers.google.com/protocol-buffers/
      4 //
      5 // Redistribution and use in source and binary forms, with or without
      6 // modification, are permitted provided that the following conditions are
      7 // met:
      8 //
      9 //     * Redistributions of source code must retain the above copyright
     10 // notice, this list of conditions and the following disclaimer.
     11 //     * Redistributions in binary form must reproduce the above
     12 // copyright notice, this list of conditions and the following disclaimer
     13 // in the documentation and/or other materials provided with the
     14 // distribution.
     15 //     * Neither the name of Google Inc. nor the names of its
     16 // contributors may be used to endorse or promote products derived from
     17 // this software without specific prior written permission.
     18 //
     19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30 
     31 #include <sstream>
     32 
     33 #include <google/protobuf/compiler/code_generator.h>
     34 #include <google/protobuf/compiler/plugin.h>
     35 #include <google/protobuf/descriptor.h>
     36 #include <google/protobuf/descriptor.pb.h>
     37 #include <google/protobuf/io/printer.h>
     38 #include <google/protobuf/io/zero_copy_stream.h>
     39 #include <google/protobuf/stubs/strutil.h>
     40 
     41 #include <google/protobuf/compiler/csharp/csharp_generator.h>
     42 #include <google/protobuf/compiler/csharp/csharp_helpers.h>
     43 #include <google/protobuf/compiler/csharp/csharp_names.h>
     44 #include <google/protobuf/compiler/csharp/csharp_options.h>
     45 #include <google/protobuf/compiler/csharp/csharp_reflection_class.h>
     46 
     47 using google::protobuf::internal::scoped_ptr;
     48 
     49 namespace google {
     50 namespace protobuf {
     51 namespace compiler {
     52 namespace csharp {
     53 
     54 void GenerateFile(const google::protobuf::FileDescriptor* file,
     55                   io::Printer* printer,
     56                   const Options* options) {
     57   ReflectionClassGenerator reflectionClassGenerator(file, options);
     58   reflectionClassGenerator.Generate(printer);
     59 }
     60 
     61 bool Generator::Generate(
     62     const FileDescriptor* file,
     63     const string& parameter,
     64     GeneratorContext* generator_context,
     65     string* error) const {
     66 
     67   vector<pair<string, string> > options;
     68   ParseGeneratorParameter(parameter, &options);
     69 
     70   // We only support proto3 - but we make an exception for descriptor.proto.
     71   if (file->syntax() != FileDescriptor::SYNTAX_PROTO3 && !IsDescriptorProto(file)) {
     72     *error = "C# code generation only supports proto3 syntax";
     73     return false;
     74   }
     75 
     76   struct Options cli_options;
     77 
     78   for (int i = 0; i < options.size(); i++) {
     79     if (options[i].first == "file_extension") {
     80       cli_options.file_extension = options[i].second;
     81     } else if (options[i].first == "base_namespace") {
     82       cli_options.base_namespace = options[i].second;
     83       cli_options.base_namespace_specified = true;
     84     } else if (options[i].first == "internal_access") {
     85       cli_options.internal_access = true;
     86     } else if (options[i].first == "legacy_enum_values") {
     87       // TODO: Remove this before final release
     88       cli_options.legacy_enum_values = true;
     89     } else {
     90       *error = "Unknown generator option: " + options[i].first;
     91       return false;
     92     }
     93   }
     94 
     95   string filename_error = "";
     96   std::string filename = GetOutputFile(file,
     97       cli_options.file_extension,
     98       cli_options.base_namespace_specified,
     99       cli_options.base_namespace,
    100       &filename_error);
    101 
    102   if (filename.empty()) {
    103     *error = filename_error;
    104     return false;
    105   }
    106   scoped_ptr<io::ZeroCopyOutputStream> output(
    107       generator_context->Open(filename));
    108   io::Printer printer(output.get(), '$');
    109 
    110   GenerateFile(file, &printer, &cli_options);
    111 
    112   return true;
    113 }
    114 
    115 }  // namespace csharp
    116 }  // namespace compiler
    117 }  // namespace protobuf
    118 }  // namespace google
    119