oxen-core/src/common/notify.h

75 lines
2.7 KiB
C++

// Copyright (c) 2019, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. 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.
//
// 3. Neither the name of the copyright holder 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 HOLDER 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.
#pragma once
#include <fmt/core.h>
#include <string>
#include <string_view>
#include <vector>
#include "common/format.h"
#include "fs.h"
namespace tools {
class Notify {
public:
explicit Notify(std::string_view spec);
template <typename T, typename... MoreTags>
int notify(std::string_view tag, const T& value, MoreTags&&... more) const {
std::vector<std::string> margs{args};
replace_tags(margs, tag, value, std::forward<MoreTags>(more)...);
return spawn(margs);
}
private:
fs::path filename;
std::vector<std::string> args;
int spawn(const std::vector<std::string>& margs) const;
template <typename T, typename... MoreTags>
static void replace_tags(
std::vector<std::string>& margs,
std::string_view tag,
const T& value,
MoreTags&&... more) {
replace_tag(margs, tag, "{}"_format(value));
if constexpr (sizeof...(MoreTags) > 0)
replace_tags(margs, std::forward<MoreTags>(more)...);
}
static void replace_tag(
std::vector<std::string>& margs, std::string_view tag, std::string_view value);
};
} // namespace tools