warutf8.h

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/** 
*/

#ifndef WAR_UTF8_H
#define WAR_UTF8_H

/* SYSTEM INCLUDES */


/* PROJECT INCLUDES */

#ifndef WAR_TYPES_H
#   include "WarTypes.h"
#endif

/* LOCAL INCLUDES */


/* FORWARD REFERENCES */



#ifdef __cplusplus
extern "C" 
{
#endif
/****************** BEGIN OLD STYLE C spesific ********/


/****************** END OLD STYLE C spesific **********/
#ifdef __cplusplus 
}
#endif

/****************** BEGIN C++ spesific ****************/

#ifdef __cplusplus

/** Conversion between Unicode and UTF */
class WarUtf8 
{
public:
    // LIFECYCLE
    
    /**
    * Default constructor.
    */
    WarUtf8(void) {}
    
    /**
    * Copy constructor.
    *
    * @param from The value to copy to this object.
    */
    WarUtf8(const WarUtf8& from)
        : mUtf8Encoded(from.mUtf8Encoded),
        mUnicode(from.mUnicode)
    {}

    WarUtf8(war_ccstr_t from)
    {
        ToUnicode(from);
    }

    WarUtf8(war_cwstr_t from)
    {
        ToUtf8(from);
    }

    WarUtf8(const std::string& from)
    {
        ToUnicode(from.c_str());
    }

    WarUtf8(const std::wstring& from)
    {
        ToUtf8(from.c_str());
    }
    
    /**
    * Destructor.
    */
    ~WarUtf8(void) {}
    
    // OPERATORS

    operator const std::wstring& ()
    {
        return mUnicode;
    }

    operator const std::string& ()
    {
        return mUtf8Encoded;
    }

    static bool IsUtf8(const war_ccstr_t from);

    static bool IsUtf8(const std::string& from);
    
    /**
    * Assignment operator.
    *
    * @param from THe value to assign to this object.
    *
    * @return A reference to this object.
    */
    WarUtf8& operator=(WarUtf8& from);
    
    // OPERATIONS                       
    // ACCESS
    
    const std::wstring& GetUnicode() const
    {
        return mUnicode;
    }
    
    const std::string& GetUtf8() const
    {
        return mUtf8Encoded;
    }

    const std::basic_string<war_sysch_t>& GetSysStr() const
    {
#ifdef UNICODE
        return mUnicode;
#else
        return mUtf8Encoded;
#endif
    }
    
    // INQUIRY

    bool IsEmpty() const
    {
        return mUtf8Encoded.empty();
    }
    
protected:
private:
    void ToUnicode(const war_ccstr_t from);

    void ToUtf8(const war_cwstr_t from);

    std::string mUtf8Encoded;
    std::wstring mUnicode;
};

/* INLINE METHODS */

/* EXTERNAL REFERENCES */

#endif /* __cplusplus */

/****************** END C++ spesific ******************/

#endif  /* WAR_UTF8_H_ */