Files
harbour-core/harbour/contrib/hbclip/hbcolind.c

103 lines
3.4 KiB
C

/*
* $Id$
*/
/*
* Harbour Compatibility Library for CA-Cl*pper source code:
* HB_COLORINDEX() function
*
* Copyright 1999-2001 Viktor Szakats <viktor.szakats@syenar.hu>
* 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 "extend.h"
CLIPPER HB_COLORIN( void )
{
if( ISCHAR( 1 ) && ISNUM( 2 ) )
{
char * pszColor = _parc( 1 );
USHORT uiColorPos;
USHORT uiColorLen;
USHORT uiColorIndex = ( USHORT ) _parni( 2 );
/* Skip the given number of commas */
for( uiColorPos = 0 ; pszColor[ uiColorPos ] != '\0' && uiColorIndex > 0 ; uiColorPos++ )
{
if( pszColor[ uiColorPos ] == ',' )
uiColorIndex--;
}
/* if found, continue */
if( uiColorIndex == 0 )
{
/* Skip the spaces after the comma */
while( pszColor[ uiColorPos ] == ' ' ) uiColorPos++;
/* Search for next comma or end of string */
uiColorLen = 0;
while( pszColor[ uiColorPos + uiColorLen ] != '\0' &&
pszColor[ uiColorPos + uiColorLen ] != ',' ) uiColorLen++;
/* Skip the trailing spaces */
while( uiColorLen > 0 &&
pszColor[ uiColorPos + uiColorLen - 1 ] == ' ' ) uiColorLen--;
/* Return the string */
_retclen( pszColor + uiColorPos, uiColorLen );
}
else
_retc( "" );
}
else
_retc( "" );
}