JsonValue.h

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/*
* This file is part of ArmarX.
*
* ArmarX is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* ArmarX is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @author     Simon Ottenhaus (simon dot ottenhaus at kit dot edu)
* @copyright  http://www.gnu.org/licenses/gpl-2.0.txt
*             GNU General Public License
*/
 
#pragma once
 
#include <memory>
 
#include "JsonData.h"
 
namespace armarx
{
    class JsonValue;
    using JsonValuePtr = std::shared_ptr<JsonValue>;
 
    class StructuralJsonParser;
 
    class JsonValue : public JsonData
    {
        friend class StructuralJsonParser;
 
    public:
        enum Type
        {
            eString,
            eNumber,
            eBool,
            eNull
        };
 
        JsonValue(const std::string& value);
        JsonValue(int value);
        JsonValue(long value);
        JsonValue(float value);
        JsonValue(double value);
 
        static JsonValuePtr Null();
        static JsonValuePtr True();
        static JsonValuePtr False();
        static JsonValuePtr Create(const std::string& value);
        static JsonValuePtr Create(int value);
        static JsonValuePtr Create(long value);
        static JsonValuePtr Create(float value);
        static JsonValuePtr Create(double value);
 
        static JsonValuePtr CreateRaw(Type type, const std::string& value);
        static bool CheckValue(Type type, const std::string& value);
 
        static bool CheckNumber(const std::string& value);
        static bool CheckInt(const std::string& value);
        static bool CheckBool(const std::string& value);
        static bool CheckNull(const std::string& value);
 
 
        void writeJson(const JsonWriterPtr& writer) override;
 
        JsonValuePtr toSharedPtr() const;
 
        static std::string ToString(int value);
        static std::string ToString(long value);
        static std::string ToString(float value);
        static std::string ToString(double value);
 
        std::string asString() const;
        float asFloat() const;
        int asInt() const;
        bool asBool() const;
 
        std::string rawValue();
 
        JsonDataPtr clone() override;
 
        Type getType();
 
    private:
        JsonValue(Type type, const std::string& value);
        Type type;
        std::string value;
    };
} // namespace armarx