diff options
Diffstat (limited to 'src/compiler/ruby_generator.cc')
-rw-r--r-- | src/compiler/ruby_generator.cc | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/src/compiler/ruby_generator.cc b/src/compiler/ruby_generator.cc index 02202568cb..c85babf1b8 100644 --- a/src/compiler/ruby_generator.cc +++ b/src/compiler/ruby_generator.cc @@ -119,6 +119,43 @@ void PrintService(const ServiceDescriptor *service, const grpc::string &package, } // namespace +// The following functions are copied directly from the source for the protoc +// ruby generator +// to ensure compatibility (with the exception of int and string type changes). +// See +// https://github.com/google/protobuf/blob/master/src/google/protobuf/compiler/ruby/ruby_generator.cc#L250 +// TODO: keep up to date with protoc code generation, though this behavior isn't +// expected to change +bool IsLower(char ch) { return ch >= 'a' && ch <= 'z'; } + +char ToUpper(char ch) { return IsLower(ch) ? (ch - 'a' + 'A') : ch; } + +// Package names in protobuf are snake_case by convention, but Ruby module +// names must be PascalCased. +// +// foo_bar_baz -> FooBarBaz +grpc::string PackageToModule(const grpc::string &name) { + bool next_upper = true; + grpc::string result; + result.reserve(name.size()); + + for (grpc::string::size_type i = 0; i < name.size(); i++) { + if (name[i] == '_') { + next_upper = true; + } else { + if (next_upper) { + result.push_back(ToUpper(name[i])); + } else { + result.push_back(name[i]); + } + next_upper = false; + } + } + + return result; +} +// end copying of protoc generator for ruby code + grpc::string GetServices(const FileDescriptor *file) { grpc::string output; { @@ -162,7 +199,7 @@ grpc::string GetServices(const FileDescriptor *file) { std::vector<grpc::string> modules = Split(file->package(), '.'); for (size_t i = 0; i < modules.size(); ++i) { std::map<grpc::string, grpc::string> module_vars = ListToDict({ - "module.name", CapitalizeFirst(modules[i]), + "module.name", PackageToModule(modules[i]), }); out.Print(module_vars, "module $module.name$\n"); out.Indent(); |