additional/string/string2.cpp

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//-----------------------------------------------------------------------------
//      string2.cpp
//-----------------------------------------------------------------------------
#include <string.h>
#include "string2.h"

//-----------------------------------------------------------------------------
const char whitespace[] = "\r\n \t" ;
//-----------------------------------------------------------------------------
void MPKstring::FixStringForBackspaces( char str[] ) 
{
        char* location = strchr( str, 8 ) ;
        while( location != 0 )
        {
                if( location == 0 )
                {
                        strcpy( str, str + 1 ) ;
                }
                else
                {
                        strcpy( location - 1, location + 1 ) ;
                }
                location = strchr( str, 8 ) ;
        }

}
//-----------------------------------------------------------------------------
void MPKstring::TrimLeadingWhitespace( char str[] )
{
    size_t i;
        for( i = 0; i < strlen( str ); i++ )
        {
                if( strrchr( whitespace, str[ i ] ) == NULL )
                {
                        break ;         //count until the character is not whitespace anymore
                }
        }
        char* buffer = new char[ strlen( str ) + 1 ] ;  
        strcpy( buffer, str + i ) ;
        strcpy( str, buffer ) ;
        delete[] buffer ;
};
//-----------------------------------------------------------------------------
void MPKstring::TrimTrailingWhitespace( char str[] )
{
    int i;
        for( i = strlen( str ) - 1; i >=0; i-- )
        {
                if( strrchr( whitespace, str[ i ] ) == NULL )
                {
                        break ;         //count until the character is not whitespace anymore
                }
        }
        char* buffer = new char[ strlen( str ) + 1 ] ;  
        strncpy( buffer, str, i + 1 ) ;
        buffer[ i + 1 ] = NULL ;
        strcpy( str, buffer ) ;
        delete[] buffer ;
};
//-----------------------------------------------------------------------------

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