| /* |
| * |
| * Copyright 2015, Google Inc. |
| * All rights reserved. |
| * |
| * 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. |
| * |
| */ |
| |
| #ifndef GRPC_INTERNAL_COMPILER_GENERATOR_HELPERS_H |
| #define GRPC_INTERNAL_COMPILER_GENERATOR_HELPERS_H |
| |
| #include <map> |
| |
| #include "src/compiler/config.h" |
| |
| namespace grpc_generator { |
| |
| inline bool StripSuffix(grpc::string *filename, const grpc::string &suffix) { |
| if (filename->length() >= suffix.length()) { |
| size_t suffix_pos = filename->length() - suffix.length(); |
| if (filename->compare(suffix_pos, grpc::string::npos, suffix) == 0) { |
| filename->resize(filename->size() - suffix.size()); |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| inline grpc::string StripProto(grpc::string filename) { |
| if (!StripSuffix(&filename, ".protodevel")) { |
| StripSuffix(&filename, ".proto"); |
| } |
| return filename; |
| } |
| |
| inline grpc::string StringReplace(grpc::string str, const grpc::string &from, |
| const grpc::string &to) { |
| size_t pos = 0; |
| |
| for (;;) { |
| pos = str.find(from, pos); |
| if (pos == grpc::string::npos) { |
| break; |
| } |
| str.replace(pos, from.length(), to); |
| pos += to.length(); |
| } |
| |
| return str; |
| } |
| |
| inline std::vector<grpc::string> tokenize(const grpc::string &input, |
| const grpc::string &delimiters) { |
| std::vector<grpc::string> tokens; |
| size_t pos, last_pos = 0; |
| |
| for (;;) { |
| bool done = false; |
| pos = input.find_first_of(delimiters, last_pos); |
| if (pos == grpc::string::npos) { |
| done = true; |
| pos = input.length(); |
| } |
| |
| tokens.push_back(input.substr(last_pos, pos - last_pos)); |
| if (done) return tokens; |
| |
| last_pos = pos + 1; |
| } |
| } |
| |
| inline grpc::string CapitalizeFirstLetter(grpc::string s) { |
| if (s.empty()) { |
| return s; |
| } |
| s[0] = ::toupper(s[0]); |
| return s; |
| } |
| |
| inline grpc::string LowerUnderscoreToUpperCamel(grpc::string str) { |
| std::vector<grpc::string> tokens = tokenize(str, "_"); |
| grpc::string result = ""; |
| for (unsigned int i = 0; i < tokens.size(); i++) { |
| result += CapitalizeFirstLetter(tokens[i]); |
| } |
| return result; |
| } |
| |
| inline grpc::string FileNameInUpperCamel(const grpc::protobuf::FileDescriptor *file) { |
| return LowerUnderscoreToUpperCamel(StripProto(file->name())); |
| } |
| |
| enum MethodType { |
| METHODTYPE_NO_STREAMING, |
| METHODTYPE_CLIENT_STREAMING, |
| METHODTYPE_SERVER_STREAMING, |
| METHODTYPE_BIDI_STREAMING |
| }; |
| |
| inline MethodType GetMethodType(const grpc::protobuf::MethodDescriptor *method) { |
| if (method->client_streaming()) { |
| if (method->server_streaming()) { |
| return METHODTYPE_BIDI_STREAMING; |
| } else { |
| return METHODTYPE_CLIENT_STREAMING; |
| } |
| } else { |
| if (method->server_streaming()) { |
| return METHODTYPE_SERVER_STREAMING; |
| } else { |
| return METHODTYPE_NO_STREAMING; |
| } |
| } |
| } |
| |
| } // namespace grpc_generator |
| |
| #endif // GRPC_INTERNAL_COMPILER_GENERATOR_HELPERS_H |