spdlog/include/spdlog/details/log_msg_buffer.h

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include "spdlog/details/log_msg.h"
#include "spdlog/fmt/bundled/core.h"
namespace spdlog {
namespace details {
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// extend log_msg with internal buffer to store its payload.
// this is needed since log_msg holds string_views that points to stack data.
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struct log_msg_buffer : log_msg
{
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fmt::basic_memory_buffer<char, 200> buffer;
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log_msg_buffer() = default;
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explicit log_msg_buffer(const log_msg &orig_msg)
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: log_msg(orig_msg)
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{
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buffer.append(logger_name.begin(), logger_name.end());
logger_name = string_view_t{buffer.data(), buffer.size()};
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buffer.append(payload.begin(), payload.end());
payload = string_view_t{logger_name.end(), payload.size()};
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}
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log_msg_buffer(log_msg_buffer &&other) = default;
log_msg_buffer &operator=(log_msg_buffer &&other) = default;
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};
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} // namespace details
} // namespace spdlog