1c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch// Copyright 2014 The Chromium Authors. All rights reserved. 2c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch// Use of this source code is governed by a BSD-style license that can be 3c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch// found in the LICENSE file. 4c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch 5c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch#include "base/files/file_path.h" 61320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci#include "base/files/file_util.h" 7c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch#include "base/strings/string_util.h" 8c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch#include "base/strings/stringprintf.h" 9c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch#include "mojo/public/cpp/bindings/lib/message_builder.h" 10c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch#include "mojo/public/cpp/bindings/lib/message_internal.h" 11c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch#include "mojo/public/cpp/bindings/message.h" 12c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch 13c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch// This file is used to generate various files corresponding to mojo 14c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch// messages. The various binding implementations can parse these to verify they 15c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch// correctly decode messages. 16c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch// 17c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch// The output consists of each byte of the message encoded in a hex string with 18c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch// a newline after it. 19c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdochnamespace mojo { 20c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdochnamespace { 21c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch 22c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdochstd::string BinaryToHex(const base::StringPiece& piece) { 23c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch std::string result("// File generated by mojo_message_generator.\n");; 24c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch result.reserve(result.size() + (piece.size() * 5)); 25c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch for (size_t i = 0; i < piece.size(); ++i) 26c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch base::StringAppendF(&result, "0X%.2X\n", static_cast<int>(piece.data()[i])); 27c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch return result; 28c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch} 29c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch 30c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdochvoid WriteMessageToFile(const Message& message, const base::FilePath& path) { 31c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch const std::string hex_message(BinaryToHex( 32c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch base::StringPiece(reinterpret_cast<const char*>(message.data()), 33c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch message.data_num_bytes()))); 34c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch CHECK_EQ(static_cast<int>(hex_message.size()), 35c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch base::WriteFile(path, hex_message.data(), 36c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch static_cast<int>(hex_message.size()))); 37c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch} 38c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch 39c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch// Generates a message of type MessageData. The message uses the name 21, 40c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch// with 4 bytes of payload: 0x9, 0x8, 0x7, 0x6. 41c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdochvoid GenerateMessageDataMessage() { 42c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch internal::MessageBuilder builder(static_cast<uint32_t>(21), 43c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch static_cast<size_t>(4)); 44c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch char* data = static_cast<char*>(builder.buffer()->Allocate(4)); 45c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch DCHECK(data); 46c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch data[0] = 9; 47c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch data[1] = 8; 48c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch data[2] = 7; 49c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch data[3] = 6; 50c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch 51c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch Message message; 52c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch builder.Finish(&message); 53c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch WriteMessageToFile(message, 54c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch base::FilePath(FILE_PATH_LITERAL("message_data"))); 55c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch} 56c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch 57c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch} // namespace 58c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch} // namespace mojo 59c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch 60c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdochint main(int argc, char** argv) { 61c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch mojo::GenerateMessageDataMessage(); 62c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch return 0; 63c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch} 64