100 lines
2.6 KiB
C++
100 lines
2.6 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/common.h"
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#include "spdlog/details/log_msg.h"
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#include "spdlog/details/os.h"
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#include "spdlog/formatter.h"
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#include <chrono>
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#include <ctime>
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#include <memory>
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#include <string>
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#include <vector>
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namespace spdlog {
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namespace details {
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// padding information.
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struct padding_info
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{
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enum pad_side
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{
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left,
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right,
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center
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};
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padding_info() = default;
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padding_info(size_t width, padding_info::pad_side side)
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: width_(width)
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, side_(side)
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{}
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bool enabled() const
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{
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return width_ != 0;
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}
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const size_t width_ = 0;
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const pad_side side_ = left;
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};
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class flag_formatter
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{
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public:
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explicit flag_formatter(padding_info padinfo)
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: padinfo_(padinfo)
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{}
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flag_formatter() = default;
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virtual ~flag_formatter() = default;
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virtual void format(const details::log_msg &msg, const std::tm &tm_time, fmt::memory_buffer &dest) = 0;
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protected:
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padding_info padinfo_;
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};
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} // namespace details
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class pattern_formatter final : public formatter
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{
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public:
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explicit pattern_formatter(
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std::string pattern, pattern_time_type time_type = pattern_time_type::local, std::string eol = spdlog::details::os::default_eol);
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// use default pattern is not given
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explicit pattern_formatter(pattern_time_type time_type = pattern_time_type::local, std::string eol = spdlog::details::os::default_eol);
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pattern_formatter(const pattern_formatter &other) = delete;
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pattern_formatter &operator=(const pattern_formatter &other) = delete;
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std::unique_ptr<formatter> clone() const override;
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void format(const details::log_msg &msg, fmt::memory_buffer &dest) override;
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private:
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std::string pattern_;
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std::string eol_;
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pattern_time_type pattern_time_type_;
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std::tm cached_tm_;
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std::chrono::seconds last_log_secs_;
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std::vector<std::unique_ptr<details::flag_formatter>> formatters_;
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std::tm get_time_(const details::log_msg &msg);
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template<typename Padder>
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void handle_flag_(char flag, details::padding_info padding);
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// Extract given pad spec (e.g. %8X)
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// Advance the given it pass the end of the padding spec found (if any)
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// Return padding.
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details::padding_info handle_padspec_(std::string::const_iterator &it, std::string::const_iterator end);
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void compile_pattern_(const std::string &pattern);
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};
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} // namespace spdlog
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#ifdef SPDLOG_HEADER_ONLY
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#include "pattern_formatter-inl.h"
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#endif
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