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https://gitlab.com/hashborgir/d2tweaks-rnd2k.git
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127 lines
3.4 KiB
C++
127 lines
3.4 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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#include <unordered_map>
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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 class 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, bool truncate)
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: width_(width)
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, side_(side)
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, truncate_(truncate)
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, enabled_(true)
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{}
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bool enabled() const
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{
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return enabled_;
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}
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size_t width_ = 0;
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pad_side side_ = pad_side::left;
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bool truncate_ = false;
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bool enabled_ = false;
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};
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class SPDLOG_API 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, memory_buf_t &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 SPDLOG_API custom_flag_formatter : public details::flag_formatter
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{
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public:
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virtual std::unique_ptr<custom_flag_formatter> clone() const = 0;
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void set_padding_info(details::padding_info padding)
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{
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flag_formatter::padinfo_ = padding;
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}
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};
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class SPDLOG_API pattern_formatter final : public formatter
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{
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public:
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using custom_flags = std::unordered_map<char, std::unique_ptr<custom_flag_formatter>>;
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explicit pattern_formatter(std::string pattern, pattern_time_type time_type = pattern_time_type::local,
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std::string eol = spdlog::details::os::default_eol, custom_flags custom_user_flags = custom_flags());
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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, memory_buf_t &dest) override;
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template<typename T, typename... Args>
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pattern_formatter &add_flag(char flag, Args&&...args)
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{
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custom_handlers_[flag] = details::make_unique<T>(std::forward<Args>(args)...);
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return *this;
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}
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void set_pattern(std::string pattern);
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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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custom_flags custom_handlers_;
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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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static 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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