Files
harbour-core/harbour/source/rtl/mtran.c

110 lines
3.8 KiB
C

/*
* $Id$
*/
/*
* Harbour Project source code:
* MEMOTRAN() function
*
* Copyright 1999 Jose Lalin <dezac@corevia.com>
* www - http://www.harbour-project.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program 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 software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
*
* As a special exception, the Harbour Project gives permission for
* additional uses of the text contained in its release of Harbour.
*
* The exception is that, if you link the Harbour libraries with other
* files to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the Harbour library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the Harbour
* Project under the name Harbour. If you copy code from other
* Harbour Project or Free Software Foundation releases into a copy of
* Harbour, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for Harbour, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*
*/
#include "hbapi.h"
#include "hbapiitm.h"
/* NOTE: pszResult must have an allocated buffer of at least ulStringLen */
char * hb_strMemotran( char * pszResult, ULONG * ulResultLen, const char * pszString, ULONG ulStringLen, char cHardcr, char cSoftcr )
{
ULONG ulStringPos = 0;
ULONG ulResultPos = 0;
HB_TRACE(HB_TR_DEBUG, ("hb_strMemotran(%s, %p, %s, %lu, %x, %x)", pszResult, ulResultLen, pszString, ulStringLen, cHardcr, cSoftcr));
while( ulStringPos < ulStringLen )
{
if( pszString[ ulStringPos ] == HB_CHAR_HARD1 &&
pszString[ ulStringPos + 1 ] == HB_CHAR_HARD2 )
{
pszResult[ ulResultPos++ ] = cHardcr;
ulStringPos += 2;
}
else if( pszString[ ulStringPos ] == HB_CHAR_SOFT1 &&
pszString[ ulStringPos + 1 ] == HB_CHAR_SOFT2 )
{
pszResult[ ulResultPos++ ] = cSoftcr;
ulStringPos += 2;
}
else
pszResult[ ulResultPos++ ] = pszString[ ulStringPos++ ];
}
pszResult[ ulResultPos ] = '\0';
*ulResultLen = ulResultPos;
return pszResult;
}
HB_FUNC( MEMOTRAN )
{
PHB_ITEM pString = hb_param( 1, HB_IT_STRING );
if( pString )
{
char * pszResult = ( char * ) hb_xgrab( hb_itemGetCLen( pString ) + 1 );
char cHardcr = ISCHAR( 2 ) ? *hb_parc( 2 ) : ';';
char cSoftcr = ISCHAR( 3 ) ? *hb_parc( 3 ) : ' ';
ULONG ulResultLen;
hb_strMemotran( pszResult, &ulResultLen, hb_itemGetCPtr( pString ), hb_itemGetCLen( pString ), cHardcr, cSoftcr );
hb_retclen( pszResult, ulResultLen );
hb_xfree( pszResult );
}
else
hb_retc( "" );
}