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add logger

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This commit is contained in:
chatlanin
2022-03-20 22:01:41 +03:00
parent f87a80b495
commit 6b124255a0
14 changed files with 448 additions and 23 deletions
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24
src/logger/logger.cpp Normal file
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#include "logger.hpp"
namespace hack
{
std::string log::devider = " ";
int log::count = 0;
log::log(const std::string devider, std::experimental::source_location location) : location { location }
{
this->devider = devider;
}
warn::warn(const std::string devider, std::experimental::source_location location) : location { location }
{
this->devider = devider;
}
error::error(const std::string devider, std::experimental::source_location location) : location { location }
{
this->devider = devider;
}
void log::print() { std::cout << std::endl; }
}

179
src/logger/logger.hpp Normal file
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#pragma once
#include <iostream>
#include <experimental/source_location>
#include <vector>
#include <list>
#include <map>
#include <unordered_map>
#include "view/color.hpp"
#include "iterators/sequence_ostream_iterator.hpp"
#include "iterators/associative_ostream_iterator.hpp"
namespace hack
{
template<typename T>
concept is_sequence_container = std::same_as<T, std::vector<typename T::value_type>> ||
std::same_as<T, std::list<typename T::value_type>>;
template<typename T>
concept is_tuple = requires (T t)
{
std::tuple_cat(t, std::make_tuple(1, "tuple"));
};
template<class T>
concept is_string = std::is_convertible_v<T, std::string_view>;
template<class T>
concept is_map = std::same_as<T, std::map<typename T::key_type, typename T::mapped_type, typename T::key_compare, typename T::allocator_type>> ||
std::same_as<T, std::unordered_map<typename T::key_type, typename T::mapped_type, typename T::hasher, typename T::key_equal, typename T::allocator_type>>;
class log
{
public:
log(const std::string devider = ", ", std::experimental::source_location location = std::experimental::source_location::current());
log(log&) = delete;
log(log&&) = delete;
public:
template<typename... Args>
void operator() (const Args&... args)
{
std::cout << make_type_view
<< location.file_name() << ":" << view::color::reset
<< view::color::italic << view::color::yellow << location.function_name() << "()" << view::color::reset
<< view::color::bold << view::color::blue << "[" << location.line() << "]" << view::color::reset << ": ";
count = sizeof...(Args);
print(args...);
}
private:
std::experimental::source_location location;
static int count;
static std::string devider;
private:
static void print();
static std::ostream& make_type_view(std::ostream &os)
{
os << view::color::bold << view::color::green << "[ok]" << view::color::reset << view::color::green;
return os;
}
template<typename T, typename... Args>
static void print(const T& data, const Args&... args)
{
count--;
print_t(data);
print(args...);
}
template<is_string T>
static void print_t(const T& data)
{
std::cout << data << (count != 0 ? devider : "");
}
template<std::integral T>
static void print_t(const T& data)
{
std::cout << data << (count != 0 ? devider : "");
}
template<is_sequence_container T>
static void print_t(const T& data)
{
std::cout << "{ ";
std::copy(data.cbegin(), data.cend(), iterators::sequence_ostream_iterator<typename T::value_type>(data.size(), std::cout));
std::cout << " }" << (count != 0 ? devider : "");
}
template<is_map T>
static void print_t(const T& data)
{
std::cout << "{";
std::copy(data.cbegin(), data.cend(), iterators::associative_ostream_iterator<typename T::value_type>(data.size(), std::cout));
std::cout << "}" << (count != 0 ? devider : "");
}
template<is_tuple T, typename std::size_t... idx>
static void print_t(const T& data)
{
print_t(data, std::make_index_sequence<std::tuple_size<T>::value>{});
}
template<typename T, typename std::size_t... idx>
static void print_t(const T& data, std::index_sequence<idx...>)
{
std::cout << "{ ";
((std::cout << std::get<idx>(data) << (idx != std::tuple_size<T>::value - 1 ? devider : "")), ...);
std::cout << " }" << (count != 0 ? devider : "");
}
friend class warn;
friend class error;
};
class warn : public log
{
public:
warn(const std::string devider = ", ", std::experimental::source_location location = std::experimental::source_location::current());
warn(log&) = delete;
warn(log&&) = delete;
public:
template<typename... Args>
void operator() (const Args&... args)
{
std::cout << make_type_view
<< location.file_name() << ":" << view::color::reset
<< view::color::italic << view::color::yellow << location.function_name() << "()" << view::color::reset
<< view::color::bold << view::color::blue << "[" << location.line() << "]" << view::color::reset << ": ";
count = sizeof...(Args);
print(args...);
}
private:
std::experimental::source_location location;
private:
static std::ostream& make_type_view(std::ostream &os)
{
os << view::color::bold << view::color::yellow << "[WARN]" << view::color::reset << view::color::yellow;
return os;
}
};
class error : public log
{
public:
error(const std::string devider = ", ", std::experimental::source_location location = std::experimental::source_location::current());
error(log&) = delete;
error(log&&) = delete;
public:
template<typename... Args>
void operator() (const Args&... args)
{
std::cout << make_type_view
<< location.file_name() << ":" << view::color::reset
<< view::color::italic << view::color::yellow << location.function_name() << "()" << view::color::reset
<< view::color::bold << view::color::blue << "[" << location.line() << "]" << view::color::reset << ": ";
count = sizeof...(Args);
print(args...);
}
private:
std::experimental::source_location location;
private:
static std::ostream& make_type_view(std::ostream &os)
{
os << view::color::bold << view::color::red << "[ERROR]" << view::color::reset << view::color::red;
return os;
}
};
}

14
src/logger/meson.build Normal file
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headers = ['logger.hpp']
sources = ['logger.cpp']
lib = library(
'logger',
include_directories : inc,
install : true,
sources: [headers, sources]
)
logger_dep = declare_dependency(
include_directories: inc,
link_with: lib
)