| // Copyright 2018 The ChromiumOS Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <sstream> |
| #include <string> |
| #include <utility> |
| #include <vector> |
| |
| #include "runtime_probe/probe_function.h" |
| #include "runtime_probe/probe_function_argument.h" |
| |
| #include <base/logging.h> |
| |
| namespace runtime_probe { |
| namespace internal { |
| |
| #define _DEFINE_PARSE_ARGUMENT(type, GetType) \ |
| template <> \ |
| bool ParseArgumentImpl<type>(const base::Value& value, type& out, \ |
| std::string& err) { \ |
| if (!value.is_##type()) { \ |
| std::stringstream ss; \ |
| ss << "expected " << #type << " but got: " << value; \ |
| err = ss.str(); \ |
| return false; \ |
| } \ |
| out = value.GetType(); \ |
| return true; \ |
| } |
| |
| using std::string; |
| _DEFINE_PARSE_ARGUMENT(string, GetString); |
| _DEFINE_PARSE_ARGUMENT(bool, GetBool); |
| _DEFINE_PARSE_ARGUMENT(double, GetDouble); |
| _DEFINE_PARSE_ARGUMENT(int, GetInt); |
| |
| #undef _DEFINE_PARSE_ARGUMENT |
| |
| template <> |
| bool ParseArgumentImpl<std::unique_ptr<ProbeFunction>>( |
| const base::Value& value, |
| std::unique_ptr<ProbeFunction>& out, |
| std::string& err) { |
| out = ProbeFunction::FromValue(value); |
| if (out) { |
| return true; |
| } |
| std::stringstream ss; |
| ss << "failed to parse probe function from: " << value; |
| err = ss.str(); |
| return false; |
| } |
| |
| } // namespace internal |
| } // namespace runtime_probe |