it_bus/named_attributes.h

#ifndef _IT_BUS_NAMED_ATTRIBUTES_H_
#define _IT_BUS_NAMED_ATTRIBUTES_H_

// @Copyright 2004 IONA Technologies, Plc. All Rights Reserved.
//

#include <it_bus/api_defines.h>
#include <it_bus/types.h>
#include <it_bus/binary_buffer.h>
#include <it_bus/string_map.h>

namespace IT_Bus
{
    class IT_BUS_API WrongTypeException :
        public Exception
    {
      public:
        WrongTypeException(
            String message
        );      

        virtual ~WrongTypeException();        

        virtual Exception*
        clone() const;
    
        virtual void
        rethrow() const;
    };

    class IT_BUS_API NoSuchAttributeException :
        public Exception
    {
      public:
        NoSuchAttributeException(
            String message
        );        

        virtual ~NoSuchAttributeException();        

        virtual Exception*
        clone() const;
    
        virtual void
        rethrow() const;
    };

    class IT_BUS_API NamedAttributes
    {
      public:
        typedef IT_Vector<String> StringList;
        
        NamedAttributes() {}
        
        virtual ~NamedAttributes();
        
        virtual Boolean
        get_boolean(
            const String& name
        ) const throw((WrongTypeException, NoSuchAttributeException));
        
        virtual void
        set_boolean(
            const String& name,
            Boolean data
        ) throw((WrongTypeException, NoSuchAttributeException));
        
        virtual Byte
        get_byte(
            const String& name
        ) const throw((WrongTypeException, NoSuchAttributeException));
        
        virtual void
        set_byte(
            const String& name,
            Byte data
        ) throw((WrongTypeException, NoSuchAttributeException));
        
        virtual Short
        get_short(
            const String& name
        ) const throw((WrongTypeException, NoSuchAttributeException));
        
        virtual void
        set_short(
            const String& name,
            Short data
        ) throw((WrongTypeException, NoSuchAttributeException));
        
        virtual Int
        get_int(
            const String& name
        ) const throw((WrongTypeException, NoSuchAttributeException));
        
        virtual void
        set_int(
            const String& name,
            Int data
        ) throw((WrongTypeException, NoSuchAttributeException));
        
        virtual Long
        get_long(
            const String& name
        ) const throw((WrongTypeException, NoSuchAttributeException));
        
        virtual void
        set_long(
            const String& name,
            Long data
        ) throw((WrongTypeException, NoSuchAttributeException));
        
        virtual UByte
        get_ubyte(
            const String& name
        ) const throw((WrongTypeException, NoSuchAttributeException));
        
        virtual void
        set_ubyte(
            const String& name,
            UByte data
        ) throw((WrongTypeException, NoSuchAttributeException));
        
        virtual UShort
        get_ushort(
            const String& name
        ) const throw((WrongTypeException, NoSuchAttributeException));
        
        virtual void
        set_ushort(
            const String& name,
            UShort data
        ) throw((WrongTypeException, NoSuchAttributeException));
        
        virtual UInt
        get_uint(
            const String& name
        ) const throw((WrongTypeException, NoSuchAttributeException));
        
        virtual void
        set_uint(
            const String& name,
            UInt data
        ) throw((WrongTypeException, NoSuchAttributeException));
        
        virtual ULong
        get_ulong(
            const String& name
        ) const throw((WrongTypeException, NoSuchAttributeException));
        
        virtual void
        set_ulong(
            const String& name,
            ULong data
        ) throw((WrongTypeException, NoSuchAttributeException));
        
        virtual Float
        get_float(
            const String& name
        ) const throw((WrongTypeException, NoSuchAttributeException));
        
        virtual void
        set_float(
            const String& name,
            Float data
        ) throw((WrongTypeException, NoSuchAttributeException));
        
        virtual Double
        get_double(
            const String& name
        ) const throw((WrongTypeException, NoSuchAttributeException));
        
        virtual void
        set_double(
            const String& name,
            Double data
        ) throw((WrongTypeException, NoSuchAttributeException));
        
        virtual const String&
        get_string(
            const String& name
        ) const throw((WrongTypeException, NoSuchAttributeException));
        
        virtual void
        set_string(
            const String& name,
            const String& data
        ) throw((WrongTypeException, NoSuchAttributeException));
        
        virtual const StringList&
        read_list(
            const String& name
        ) const throw((WrongTypeException, NoSuchAttributeException));
        
        virtual StringList&
        write_list(
            const String& name
        ) throw((WrongTypeException, NoSuchAttributeException));
        
        virtual const StringList&
        get_names();
        
        virtual void
        clear_name_values();

        void bind_boolean(const String& name, Boolean* value);
        void bind_byte(const String& name, Byte* value);
        void bind_int(const String& name, Int* value);
        void bind_short(const String& name, Short* value);
        void bind_long(const String& name, Long* value);
        void bind_ubyte(const String& name, UByte* value);
        void bind_ushort(const String& name, UShort* value);
        void bind_uint(const String& name, UInt* value);
        void bind_ulong(const String& name, ULong* value);
        void bind_float(const String& name, Float* value);
        void bind_double(const String& name, Double* value);
        void bind_string(const String& name, String* value);
        void bind_string_list(const String& name, StringList* value);
        
      private:
        
        struct Value
        {
            enum Type
            {
                TYPE_BOOLEAN,
                TYPE_BYTE,
                TYPE_SHORT,
                TYPE_INT,
                TYPE_LONG,
                TYPE_UBYTE,
                TYPE_USHORT,
                TYPE_UINT,
                TYPE_ULONG,
                TYPE_FLOAT,
                TYPE_DOUBLE,
                TYPE_STRING,
                TYPE_STRING_LIST
            };
            
            union Data
            {
                Boolean*    data_boolean;
                Byte*       data_byte;
                Short*      data_short;
                Int*        data_int;
                Long*       data_long;
                UByte*      data_ubyte;
                UShort*     data_ushort;
                UInt*       data_uint;
                ULong*      data_ulong;
                Float*      data_float;
                Double*     data_double;
                String*     data_string;
                StringList* data_string_list;
            };

            Type m_type;
            Data m_data;
        };
        
        typedef StringMap<Value> NameValueMap;
        
        const Value&
        find(
            const String& name,
            Value::Type type
        ) const throw((WrongTypeException, NoSuchAttributeException));
        
        Value&
        find(
            const String& name,
            Value::Type type
        ) throw((WrongTypeException, NoSuchAttributeException));

        NameValueMap m_nv_map;        
        StringList m_names;        
    };
}

#endif  

---