log_streambuffer.h

// Copyright 2025 Dominik Czekai
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
 
#pragma once
#include <memory>
#include <string>
#include <sstream>
#include <functional>
#include "logging/loglevel.h"
 
namespace cli::logging
{
class LogStreamBuf : public std::stringbuf
{
public:
    explicit LogStreamBuf(std::shared_ptr<std::function<void(LogLevel, const std::string &)>> logFuncPtr,
                 LogLevel lvl, LogLevel lvlMin)
        : logFuncPtr(logFuncPtr), lvl(lvl), minLevel(lvlMin)
    {
    }
 
    int sync() override;
 
    void setMinLevel(LogLevel lvlMin) { minLevel = lvlMin; }
 
private:
    std::shared_ptr<std::function<void(LogLevel, const std::string &)>> logFuncPtr;
    LogLevel lvl;
    LogLevel minLevel;
};
} // namespace cli::logging