proto_zero_plugin [NOT FOR REVIEW].

components/tracing/proto_zero_test/fake_runtime.h

+// Copyright 2016 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 <inttypes.h>
+#include <stdio.h>
+
+#include <sstream>
+#include <string>
+
+#include "base/macros.h"
+
+// Disable runtime include in generarated proto headers.
+#define PROTO_ZERO_NO_RUNTIME
+
+namespace tracing {
+namespace proto {
+
+class AppendOnlyProtoMessage {
+ public:
+  explicit AppendOnlyProtoMessage();
+  ~AppendOnlyProtoMessage();
+
+  std::string GetLastCall() {
+    std::string str = last_.str();
+    last_.str("");
+    last_.clear();
+    return str;
+  }
+
+ protected:
+  template <class T>
+  void OpenNestedMessage(int field, T** message) {
+    // In actual runtime message is constructing on pre-allocated memory.
+    // Hence there is no need to delete the pointer after use.
+    // In testing case we can sacrifice memory leak.
+    *message = new T();
+    last_ << "message " << field;
+  }
+  void AppendTinyNumber(int field, int32_t value) {
+    last_ << "tiny f" << field << " = " << value;
+  }
+  void AppendBool(int field, bool value) {
+    last_ << "bool f" << field << " = " << (value ? "true" : "false");
+  }
+  void AppendInt32(int field, int32_t value) {
+    last_ << "int32 f" << field << " = " << value;
+  }
+  void AppendInt64(int field, int64_t value) {
+    last_ << "int64 f" << field << " = " << value;
+  }
+  void AppendUint32(int field, uint32_t value) {
+    last_ << "uint32 f" << field << " = " << value;
+  }
+  void AppendUint64(int field, uint64_t value) {
+    last_ << "uint64 f" << field << " = " << value;
+  }
+  void AppendSint32(int field, int32_t value) {
+    last_ << "sint32 f" << field << " = " << value;
+  }
+  void AppendSint64(int field, int64_t value) {
+    last_ << "sint64 f" << field << " = " << value;
+  }
+  void AppendFixed32(int field, uint32_t value) {
+    last_ << "fixed32 f" << field << " = " << value;
+  }
+  void AppendFixed64(int field, uint64_t value) {
+    last_ << "fixed64 f" << field << " = " << value;
+  }
+  void AppendSfixed32(int field, int32_t value) {
+    last_ << "sfixed32 f" << field << " = " << value;
+  }
+  void AppendSfixed64(int field, int64_t value) {
+    last_ << "sfixed64 f" << field << " = " << value;
+  }
+  void AppendFloat(int field, float value) {
+    last_ << "float f" << field << " = " << value;
+  }
+  void AppendDouble(int field, double value) {
+    last_ << "double f" << field << " = " << value;
+  }
+  void AppendString(int field, const char* value) {
+    last_ << "string f" << field << " = \"" << value << "\"";
+  }
+  void AppendBytes(int field, const uint8_t* data, size_t size) {
+    last_ << "bytes f" << field << " = [" << size << "]";
+  }
+
+ private:
+  std::ostringstream last_;
+
+  DISALLOW_COPY_AND_ASSIGN(AppendOnlyProtoMessage);
+};
+
+AppendOnlyProtoMessage::AppendOnlyProtoMessage() {
+}
+
+AppendOnlyProtoMessage::~AppendOnlyProtoMessage() {
+}
+
+}
+}