ConfigUtil.h

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// Copyright 2024 libsese
//
// 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 "sese/io/InputStream.h"
#include "sese/io/OutputStream.h"
 
#include <map>
 
#ifdef _WIN32
#pragma warning(disable : 4251)
#endif
 
namespace sese {
 
class ConfigObject {
public:
    using Ptr = std::shared_ptr<ConfigObject>;
 
    struct Section {
        using Ptr = std::shared_ptr<Section>;
 
        std::string name;
        std::map<std::string, std::string> parameter{};
 
        explicit Section(std::string name);
        [[nodiscard]] std::string getValueByKey(const std::string &key, const std::string &default_value) const;
        void setKeyValue(const std::string &key, const std::string &value);
    };
 
    ConfigObject();
    [[nodiscard]] Section::Ptr getDefaultSection() const noexcept { return this->defaultSection; } // GCOVR_EXCL_LINE
    [[nodiscard]] Section::Ptr getSectionByName(const std::string &section_name) const;
    void setSection(const Section::Ptr &section);
    [[nodiscard]] const std::map<std::string, Section::Ptr> &getAllSection() const;
 
private:
    Section::Ptr defaultSection;
    std::map<std::string, Section::Ptr> sections;
};
 
class SESE_DEPRECATED ConfigUtil {
public:
    using InputStream = io::InputStream;
    using OutputStream = io::OutputStream;
 
    static ConfigObject::Ptr readFrom(InputStream *input);
    static bool write2(const ConfigObject::Ptr &config_file, OutputStream *output);
 
private:
    static std::string readLine(InputStream *input);
};
} // namespace sese