84 lines
2 KiB
C++
84 lines
2 KiB
C++
#include "pch.h"
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#include "logger_settings.h"
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#include <fstream>
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#include <Windows.h>
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#include <winrt/Windows.Data.Json.h>
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#include <iostream>
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using namespace winrt::Windows::Data::Json;
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LogSettings::LogSettings()
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{
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this->logLevel = LogSettings::defaultLogLevel;
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}
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std::optional<JsonObject> from_file(std::wstring_view file_name)
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{
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try
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{
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std::ifstream file(file_name.data(), std::ios::binary);
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if (file.is_open())
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{
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using isbi = std::istreambuf_iterator<char>;
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std::string obj_str{ isbi{ file }, isbi{} };
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return JsonValue::Parse(winrt::to_hstring(obj_str)).GetObjectW();
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}
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return std::nullopt;
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}
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catch (...)
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{
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return std::nullopt;
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}
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}
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void to_file(std::wstring_view file_name, const JsonObject& obj)
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{
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std::wstring obj_str{ obj.Stringify().c_str() };
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try
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{
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std::ofstream{ file_name.data(), std::ios::binary } << winrt::to_string(obj_str);
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}
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catch (...)
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{
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std::cerr << "Can not create log config file" << std::endl;
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}
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}
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JsonObject to_json(LogSettings settings)
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{
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JsonObject result;
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result.SetNamedValue(LogSettings::logLevelOption, JsonValue::CreateStringValue(settings.logLevel));
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return result;
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}
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LogSettings to_settings(JsonObject jobject)
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{
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LogSettings result;
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try
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{
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result.logLevel = jobject.GetNamedString(LogSettings::logLevelOption);
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}
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catch (...)
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{
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std::cerr << "Can not read log level from config file" << std::endl;
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result.logLevel = LogSettings::defaultLogLevel;
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}
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return result;
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}
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// Get log settings from file. File with default options is created if it does not exist
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LogSettings get_log_settings(std::wstring_view file_name)
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{
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auto jobject = from_file(file_name);
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if (!jobject.has_value())
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{
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auto json = to_json(LogSettings());
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to_file(file_name, json);
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return to_settings(json);
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}
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return to_settings(jobject.value());
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}
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