Kylin/Universal/BoostLog.inl

#ifndef BOOSTLOG_INL
#define BOOSTLOG_INL

#include "BoostLog.h"
#include "StreamFormat.h"
#include "boost/log/sources/basic_logger.hpp"
#include "boost/log/trivial.hpp"
#include "boost/scope_exit.hpp"
#include <chrono>
#include <iomanip>

template <typename Derived>
class LogPredicator {
public:
    operator bool() const {
        bool ret = m_status;
        m_status = !m_status;
        if (ret) {
            ret = doOnceInterface();
            if (!ret) m_status = true;
        }
        return ret;
    }
    inline bool doOnceInterface() const { return static_cast<const Derived *>(this)->doOnce(); }

protected:
    mutable bool m_status = true;
};

class NumberPredicator : public LogPredicator<NumberPredicator> {
public:
    NumberPredicator(int limit) : m_limit(limit) {}
    inline bool doOnce() const { return (m_current++ % m_limit) == 0; }

private:
    int m_limit;
    mutable int m_current{0};
};

class CountPredicator : public LogPredicator<CountPredicator> {
public:
    CountPredicator(int limit) : m_limit(limit) {}
    inline bool doOnce() const { return m_current++ < m_limit; }

private:
    int m_limit;
    mutable int m_current{0};
};

class TimePredicator : public LogPredicator<TimePredicator> {
public:
    TimePredicator(int milliseconds) : m_limit(std::chrono::milliseconds(milliseconds)) {}

    inline bool doOnce() const {
        auto now = std::chrono::system_clock::now();
        auto duration = std::chrono::duration_cast<std::chrono::milliseconds>(now - m_current);
        bool ret = duration >= m_limit;
        if (ret) m_current = now;
        return ret;
    }

private:
    std::chrono::milliseconds m_limit;
    mutable decltype(std::chrono::system_clock::now()) m_current{std::chrono::system_clock::now()};
};

template <typename BaseT>
CategoryTaggerFeature<BaseT>::CategoryTaggerFeature(const CategoryTaggerFeature &obj)
    : BaseT(static_cast<const BaseT &>(obj)) {
}

template <typename BaseT>
template <typename ArgsT>
CategoryTaggerFeature<BaseT>::CategoryTaggerFeature(const ArgsT &args) : BaseT(args) {
}

template <typename BaseT>
template <typename ArgsT>
boost::log::record CategoryTaggerFeature<BaseT>::open_record_unlocked(const ArgsT &args) {
    std::string tag_value = args[AmassKeywords::CategoryTag | std::string()];
    boost::log::attribute_set &attrs = BaseT::attributes();
    boost::log::attribute_set::iterator tag = attrs.end();
    if (!tag_value.empty()) {
        // Add the tag as a new attribute
        std::pair<boost::log::attribute_set::iterator, bool> res =
            BaseT::add_attribute_unlocked("Category", boost::log::attributes::constant<std::string>(tag_value));
        if (res.second) tag = res.first;
    }

    BOOST_SCOPE_EXIT_TPL((&tag)(&attrs)) {
        if (tag != attrs.end()) attrs.erase(tag);
    }
    BOOST_SCOPE_EXIT_END

    return BaseT::open_record_unlocked(args);
}

template <typename BaseT>
FilenameTaggerFeature<BaseT>::FilenameTaggerFeature(const FilenameTaggerFeature &obj)
    : BaseT(static_cast<const BaseT &>(obj)) {
}

template <typename BaseT>
template <typename ArgsT>
FilenameTaggerFeature<BaseT>::FilenameTaggerFeature(const ArgsT &args) : BaseT(args) {}

template <typename BaseT>
template <typename ArgsT>
boost::log::record FilenameTaggerFeature<BaseT>::open_record_unlocked(const ArgsT &args) {
    std::string tag_value = args[AmassKeywords::FilenameTag | std::string()];
    boost::log::attribute_set &attrs = BaseT::attributes();
    boost::log::attribute_set::iterator tag = attrs.end();
    if (!tag_value.empty()) {
        // Add the tag as a new attribute
        std::pair<boost::log::attribute_set::iterator, bool> res =
            BaseT::add_attribute_unlocked("Filename", boost::log::attributes::constant<std::string>(tag_value));
        if (res.second) tag = res.first;
    }

    BOOST_SCOPE_EXIT_TPL((&tag)(&attrs)) {
        if (tag != attrs.end()) attrs.erase(tag);
    }
    BOOST_SCOPE_EXIT_END

    return BaseT::open_record_unlocked(args);
}

template <typename BaseT>
template <typename ArgsT>
LineTaggerFeature<BaseT>::LineTaggerFeature(const ArgsT &args) : BaseT(args) {}

template <typename BaseT>
LineTaggerFeature<BaseT>::LineTaggerFeature(const LineTaggerFeature &obj) : BaseT(static_cast<const BaseT &>(obj)) {}

template <typename BaseT>
template <typename ArgsT>
boost::log::record LineTaggerFeature<BaseT>::open_record_unlocked(const ArgsT &args) {
    size_t tag_value = args[AmassKeywords::LineTag | size_t()];
    boost::log::attribute_set &attrs = BaseT::attributes();
    boost::log::attribute_set::iterator tag = attrs.end();

    // Add the tag as a new attribute
    std::pair<boost::log::attribute_set::iterator, bool> res =
        BaseT::add_attribute_unlocked("Line", boost::log::attributes::constant<size_t>(tag_value));
    if (res.second) tag = res.first;

    BOOST_SCOPE_EXIT_TPL((&tag)(&attrs)) {
        if (tag != attrs.end()) attrs.erase(tag);
    }
    BOOST_SCOPE_EXIT_END

    return BaseT::open_record_unlocked(args);
}

#endif // BOOSTLOG_INL