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spdlog/src/details/log_msg_buffer.cpp

55 lines
1.7 KiB
C++

// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#include "spdlog/details/log_msg_buffer.h"
namespace spdlog {
namespace details {
// copy logger name and payload to buffer so can be used asynchronously
// note: source location pointers are copied without allocation since they
// are compiler generated const chars* (__FILE__, __LINE__, __FUNCTION__)
// if you pass custom strings to source location, make sure they outlive the log_msg_buffer
log_msg_buffer::log_msg_buffer(const log_msg &orig_msg)
: log_msg{orig_msg} {
buffer.append(logger_name);
buffer.append(payload);
update_string_views();
}
log_msg_buffer::log_msg_buffer(const log_msg_buffer &other)
: log_msg{other} {
buffer.append(logger_name);
buffer.append(payload);
update_string_views();
}
log_msg_buffer::log_msg_buffer(log_msg_buffer &&other) noexcept
: log_msg{other},
buffer{std::move(other.buffer)} {
update_string_views();
}
log_msg_buffer &log_msg_buffer::operator=(const log_msg_buffer &other) {
log_msg::operator=(other);
buffer.clear();
buffer.append(other.buffer.data(), other.buffer.data() + other.buffer.size());
update_string_views();
return *this;
}
log_msg_buffer &log_msg_buffer::operator=(log_msg_buffer &&other) noexcept {
log_msg::operator=(other);
buffer = std::move(other.buffer);
update_string_views();
return *this;
}
void log_msg_buffer::update_string_views() {
logger_name = string_view_t{buffer.data(), logger_name.size()};
payload = string_view_t{buffer.data() + logger_name.size(), payload.size()};
}
} // namespace details
} // namespace spdlog