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#ifndef FIXED_LENGTH_STRING
#define FIXED_LENGTH_STRING
#include <memory.h>
#include <string.h>
#include "WCS_String.h>
template <int NumChars>
class FixedLengthString: public WCS_String
{
public:
FixedLengthString ();
FixedLengthString (const FixedLengthString <NumChars> &);
FixedLengthString (const char []);
~FixedLengthString ();
FixedLengthString <NumChars> & Copy (const FixedLengthString <NumChars> &);
FixedLengthString <NumChars> & Copy (const WCS_String &);
FixedLengthString <NumChars> & Copy (const char []);
FixedLengthString <NumChars> & operator = (const FixedLengthString <NumChars> &);
FixedLengthString <NumChars> & operator = (const char []);
FixedLengthString <NumChars> & operator = (const WCS_String &);
char * GetData ();
istream & ReadLine (istream & = cin) throw (...);
void SetChars (const WCS_String &);
WCS_String & GetChars ();
char GetElement (int) const;
void SetElement (int, char);
ostream & Display (ostream & = cout);
private:
char Str [NumChars + 1];
size_t CharCount;
};
template <int NumChars>
FixedLengthString <NumChars>::FixedLengthString ()
{
CharCount = 0;
}
template <int NumChars>
FixedLengthString <NumChars>::FixedLengthString (const FixedLengthString <NumChars> & FLS )
{
memcpy (Str, FLS.Str,(NumChars + 1));
}
template <int NumChars>
FixedLengthString <NumChars>::FixedLengthString (const char Chars [] )
{
strcpy (Str, Chars);
}
template <int NumChars>
FixedLengthString <NumChars>::~FixedLengthString ()
{
}
template <int NumChars>
FixedLengthString <NumChars> & FixedLengthString <NumChars>::Copy (const FixedLengthString <NumChars> & FLS )
{
memcpy (Str, FLS.Str, (NumChars + 1));
return *this;
}
template <int NumChars>
FixedLengthString <NumChars> & FixedLengthString <NumChars>::Copy (const char Chars [] )
{
strcpy (Str, Chars);
return *this;
}
template <int NumChars>
FixedLengthString <NumChars> & FixedLengthString <NumChars>::Copy (const WCS_String & DS)
{
memcpy (Str, FLS.Str, (NumChars + 1));
return *this;
}
template <int NumChars>
ostream & operator << (ostream & out, FixedLengthString <NumChars> & FLS)
{
FLS.Display();
return out;
}
template <int NumChars>
FixedLengthString <NumChars> & FixedLengthString <NumChars>::operator = (const FixedLengthString <NumChars> & FLS )
{
memcpy (Str, FLS.Str,(NumChars + 1));
return *this;
}
template <int NumChars>
FixedLengthString <NumChars> & FixedLengthString <NumChars>::operator = (const char Chars [] )
{
strcpy (Str, Chars);
return *this;
}
template <int NumChars>
FixedLengthString <NumChars> & FixedLengthString <NumChars>::operator = (const WCS_String & DS)
{
memcpy (Str, DS.Str, (NumChars + 1));
return *this;
}
template <int NumChars>
char * FixedLengthString <NumChars>::GetData ()
{
return Str;
}
template <int NumChars>
char FixedLengthString <NumChars>::GetElement (int Index) const
{
if ((Index > NumChars) || (Index < 0))
throw 1;
else
return Str [Index];
}
template <int NumChars>
void FixedLengthString <NumChars>::SetElement (int Index, char Data)
{
if ((Index > NumChars) || (Index < 0))
throw 1;
else
Str [Index] = Data;
}
template <int NumChars>
void FixedLengthString <NumChars>::SetChars (const WCS_String & St)
{
char temp;
for (int i = 0; i < NumChars; i++)
{
St.GetAt (temp, i);
Str [i] = temp;
}
}
template <int NumChars>
ostream & FixedLengthString <NumChars>::Display (ostream & out)
{
return out << Str << endl;
}
template <int NumChars>
istream & FixedLengthString <NumChars>::ReadLine (istream & In)
{
char c;
char * pTemp;
CharCount = 0;
while (((c = ReadChar (In)) != '\n') && !In.eof ())
{
Str [CharCount++] = c;
}
Str [CharCount] = '\0';
return In;
}
#endif
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