Files
harbour-core/harbour/source/rtl/is.c
Viktor Szakats 77a782874f 2008-09-03 23:06 UTC+0200 Viktor Szakats (harbour.01 syenar hu)
* contrib/hbziparc/hbziparc.prg
     ! Fix to one of the rarely used function names.

   * contrib/gtalleg/gtalleg.c
   * contrib/hbw32/dllcall.c
   * contrib/hbcurl/hbcurl.c
   * contrib/hbfimage/fi_winfu.c
   * contrib/hbfimage/fi_wrp.c
   * source/vm/memvars.c
   * source/rtl/gtwin/gtwin.c
   * source/rtl/math.c
   * source/rtl/gtclip.c
   * source/rtl/fstemp.c
   * source/rtl/is.c
   * source/rtl/xsavescr.c
   * source/rtl/fkmax.c
   * source/rtl/langapi.c
   * source/rtl/hbrandom.c
   * source/rtl/hbinet.c
   * source/rtl/hbffind.c
     * Minor formatting, code style/format cleanup (!=/== NULL mostly).

   * source/compiler/genc.c
     * Minor; empty line added to .c output.
2008-09-03 21:32:25 +00:00

135 lines
3.9 KiB
C

/*
* $Id$
*/
/*
* Harbour Project source code:
* IS*() string functions
*
* Copyright 1999 Antonio Linares <alinares@fivetech.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 <ctype.h>
#include "hbapi.h"
#include "hbapicdp.h"
extern PHB_CODEPAGE hb_cdp_page;
/* determines if first char of string is letter */
HB_FUNC( ISALPHA )
{
char * szString = hb_parc( 1 );
if( szString )
{
if( isalpha( ( unsigned char ) * szString ) )
hb_retl( TRUE );
#ifndef HB_CDP_SUPPORT_OFF
else if( hb_cdp_page->nChars && szString[0] &&
( strchr( hb_cdp_page->CharsUpper,* szString ) ||
strchr( hb_cdp_page->CharsLower,* szString ) ) )
hb_retl( TRUE );
#endif
else
hb_retl( FALSE );
}
else
hb_retl( FALSE );
}
/* determines if first char of string is digit */
HB_FUNC( ISDIGIT )
{
char * szString = hb_parc( 1 );
hb_retl( szString && isdigit( ( unsigned char ) * szString ) );
}
/* determines if first char of string is upper-case */
HB_FUNC( ISUPPER )
{
char * szString = hb_parc( 1 );
if( szString )
{
if( isupper( ( unsigned char ) * szString ) )
hb_retl( TRUE );
#ifndef HB_CDP_SUPPORT_OFF
else if( hb_cdp_page->nChars && szString[0] &&
strchr( hb_cdp_page->CharsUpper, * szString ) )
hb_retl( TRUE );
#endif
else
hb_retl( FALSE );
}
else
hb_retl( FALSE );
}
/* determines if first char of string is lower-case */
HB_FUNC( ISLOWER )
{
char * szString = hb_parc( 1 );
if( szString )
{
if( islower( ( unsigned char ) * szString ) )
hb_retl( TRUE );
#ifndef HB_CDP_SUPPORT_OFF
else if( hb_cdp_page->nChars && szString[0] &&
strchr( hb_cdp_page->CharsLower,* szString ) )
hb_retl( TRUE );
#endif
else
hb_retl( FALSE );
}
else
hb_retl( FALSE );
}