Index: mojo/tools/message_generator.cc |
diff --git a/mojo/tools/message_generator.cc b/mojo/tools/message_generator.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..86fcab21af150a21fd8e30a5b47fa72ad536cb2e |
--- /dev/null |
+++ b/mojo/tools/message_generator.cc |
@@ -0,0 +1,63 @@ |
+// Copyright 2014 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "base/file_util.h" |
+#include "base/files/file_path.h" |
+#include "base/strings/string_util.h" |
+#include "base/strings/stringprintf.h" |
+#include "mojo/public/cpp/bindings/lib/message_builder.h" |
+#include "mojo/public/cpp/bindings/lib/message_internal.h" |
+#include "mojo/public/cpp/bindings/message.h" |
+ |
+// This file is used to generate various files corresponding to mojo |
+// messages. The various binding implementations can parse these to verify they |
+// correctly decode messages. |
+// |
+// The output consists of each byte of the message encoded in a hex string with |
+// a newline after it. |
+namespace mojo { |
+namespace { |
+ |
+std::string BinaryToHex(const base::StringPiece& piece) { |
+ std::string result("// File generated by mojo_message_generator.\n");; |
+ result.reserve(result.size() + (piece.size() * 5)); |
+ for (size_t i = 0; i < piece.size(); ++i) |
+ base::StringAppendF(&result, "0X%.2X\n", static_cast<int>(piece.data()[i])); |
+ return result; |
+} |
+ |
+void WriteMessageToFile(const Message& message, const base::FilePath& path) { |
+ const std::string hex_message(BinaryToHex( |
+ base::StringPiece(reinterpret_cast<const char*>(message.data()), |
+ message.data_num_bytes()))); |
+ CHECK_EQ(static_cast<int>(hex_message.size()), |
+ base::WriteFile(path, hex_message.data(), |
+ static_cast<int>(hex_message.size()))); |
+} |
+ |
+// Generates a message of type MessageData. The message uses the name 21, |
+// with 4 bytes of payload: 0x9, 0x8, 0x7, 0x6. |
+void GenerateMessageDataMessage() { |
+ internal::MessageBuilder builder(static_cast<uint32_t>(21), |
+ static_cast<size_t>(4)); |
+ char* data = static_cast<char*>(builder.buffer()->Allocate(4)); |
+ DCHECK(data); |
+ data[0] = 9; |
+ data[1] = 8; |
+ data[2] = 7; |
+ data[3] = 6; |
+ |
+ Message message; |
+ builder.Finish(&message); |
+ WriteMessageToFile(message, |
+ base::FilePath(FILE_PATH_LITERAL("message_data"))); |
+} |
+ |
+} // namespace |
+} // namespace mojo |
+ |
+int main(int argc, char** argv) { |
+ mojo::GenerateMessageDataMessage(); |
+ return 0; |
+} |