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-rw-r--r--NorthstarDLL/include/spdlog/pattern_formatter.h126
1 files changed, 126 insertions, 0 deletions
diff --git a/NorthstarDLL/include/spdlog/pattern_formatter.h b/NorthstarDLL/include/spdlog/pattern_formatter.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/common.h>
+#include <spdlog/details/log_msg.h>
+#include <spdlog/details/os.h>
+#include <spdlog/formatter.h>
+
+#include <chrono>
+#include <ctime>
+#include <memory>
+
+#include <string>
+#include <vector>
+#include <unordered_map>
+
+namespace spdlog {
+namespace details {
+
+// padding information.
+struct padding_info
+{
+ enum class pad_side
+ {
+ left,
+ right,
+ center
+ };
+
+ padding_info() = default;
+ padding_info(size_t width, padding_info::pad_side side, bool truncate)
+ : width_(width)
+ , side_(side)
+ , truncate_(truncate)
+ , enabled_(true)
+ {}
+
+ bool enabled() const
+ {
+ return enabled_;
+ }
+ size_t width_ = 0;
+ pad_side side_ = pad_side::left;
+ bool truncate_ = false;
+ bool enabled_ = false;
+};
+
+class SPDLOG_API flag_formatter
+{
+public:
+ explicit flag_formatter(padding_info padinfo)
+ : padinfo_(padinfo)
+ {}
+ flag_formatter() = default;
+ virtual ~flag_formatter() = default;
+ virtual void format(const details::log_msg &msg, const std::tm &tm_time, memory_buf_t &dest) = 0;
+
+protected:
+ padding_info padinfo_;
+};
+
+} // namespace details
+
+class SPDLOG_API custom_flag_formatter : public details::flag_formatter
+{
+public:
+ virtual std::unique_ptr<custom_flag_formatter> clone() const = 0;
+
+ void set_padding_info(details::padding_info padding)
+ {
+ flag_formatter::padinfo_ = padding;
+ }
+};
+
+class SPDLOG_API pattern_formatter final : public formatter
+{
+public:
+ using custom_flags = std::unordered_map<char, std::unique_ptr<custom_flag_formatter>>;
+
+ explicit pattern_formatter(std::string pattern, pattern_time_type time_type = pattern_time_type::local,
+ std::string eol = spdlog::details::os::default_eol, custom_flags custom_user_flags = custom_flags());
+
+ // use default pattern is not given
+ explicit pattern_formatter(pattern_time_type time_type = pattern_time_type::local, std::string eol = spdlog::details::os::default_eol);
+
+ pattern_formatter(const pattern_formatter &other) = delete;
+ pattern_formatter &operator=(const pattern_formatter &other) = delete;
+
+ std::unique_ptr<formatter> clone() const override;
+ void format(const details::log_msg &msg, memory_buf_t &dest) override;
+
+ template<typename T, typename... Args>
+ pattern_formatter &add_flag(char flag, Args&&...args)
+ {
+ custom_handlers_[flag] = details::make_unique<T>(std::forward<Args>(args)...);
+ return *this;
+ }
+ void set_pattern(std::string pattern);
+
+private:
+ std::string pattern_;
+ std::string eol_;
+ pattern_time_type pattern_time_type_;
+ std::tm cached_tm_;
+ std::chrono::seconds last_log_secs_;
+ std::vector<std::unique_ptr<details::flag_formatter>> formatters_;
+ custom_flags custom_handlers_;
+
+ std::tm get_time_(const details::log_msg &msg);
+ template<typename Padder>
+ void handle_flag_(char flag, details::padding_info padding);
+
+ // Extract given pad spec (e.g. %8X)
+ // Advance the given it pass the end of the padding spec found (if any)
+ // Return padding.
+ static details::padding_info handle_padspec_(std::string::const_iterator &it, std::string::const_iterator end);
+
+ void compile_pattern_(const std::string &pattern);
+};
+} // namespace spdlog
+
+#ifdef SPDLOG_HEADER_ONLY
+#include "pattern_formatter-inl.h"
+#endif