69 lines
1.8 KiB
C++
69 lines
1.8 KiB
C++
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
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// Distributed under the MIT License (http://opensource.org/licenses/MIT)
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#pragma once
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#include "spdlog/details/log_msg.h"
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#include "spdlog/fmt/fmt.h"
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namespace spdlog {
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namespace details {
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// extend log_msg with internal buffer to store its payload.
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// this is needed since log_msg holds string_views that points to stack data.
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class log_msg_buffer : public log_msg
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{
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memory_buf_t buffer;
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void update_string_views()
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{
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logger_name = string_view_t{buffer.data(), logger_name.size()};
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payload = string_view_t{logger_name.end(), payload.size()};
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}
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public:
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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());
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buffer.append(payload.begin(), payload.end());
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update_string_views();
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}
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log_msg_buffer(const log_msg_buffer &other)
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: log_msg{other}
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{
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buffer.append(logger_name.begin(), logger_name.end());
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buffer.append(payload.begin(), payload.end());
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update_string_views();
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}
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log_msg_buffer(log_msg_buffer &&other)
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: log_msg{std::move(other)}
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, buffer{std::move(other.buffer)}
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{
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update_string_views();
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}
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log_msg_buffer &operator=(const log_msg_buffer &other)
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{
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log_msg::operator=(other);
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buffer.append(other.buffer.data(), other.buffer.data() + other.buffer.size());
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update_string_views();
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return *this;
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}
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log_msg_buffer &operator=(log_msg_buffer &&other)
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{
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log_msg::operator=(std::move(other));
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buffer = std::move(other.buffer);
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update_string_views();
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return *this;
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}
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};
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} // namespace details
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} // namespace spdlog
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