371 lines
8.9 KiB
C
371 lines
8.9 KiB
C
/*
|
|
* $Id$
|
|
*/
|
|
|
|
/*
|
|
* Harbour Project source code:
|
|
* POSALPHA(), POSLOWER(), POSRANGE() and POSUPPER() CT3 string functions
|
|
*
|
|
* POSUPPER() Copyright 1999-2001 Viktor Szakats <viktor.szakats@syenar.hu>
|
|
*
|
|
* POSALPHA(), POSLOWER(), POSRANGE()
|
|
* Copyright 2001 IntTec GmbH, Neunlindenstr 32, 79106 Freiburg, Germany
|
|
* Author: Martin Vogel <vogel@inttec.de>
|
|
*
|
|
* 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 "ct.h"
|
|
#include <ctype.h>
|
|
|
|
|
|
/* defines */
|
|
#define DO_POS1_POSALPHA 0
|
|
#define DO_POS1_POSLOWER 1
|
|
#define DO_POS1_POSRANGE 2
|
|
#define DO_POS1_POSUPPER 3
|
|
|
|
/* helper function for the posxxx() functions */
|
|
static void do_pos1 (int iSwitch)
|
|
{
|
|
|
|
if ((ISCHAR (1)) /* all functions need string as 1st param */
|
|
&&
|
|
((iSwitch != DO_POS1_POSRANGE) /* that's the only condition for all funcs _except_ POSRANGE */
|
|
||
|
|
((iSwitch == DO_POS1_POSRANGE) /* In addition, POSRANGE needs .. */
|
|
&&
|
|
(ISCHAR (2)) /* .. string as 2nd .. */
|
|
&&
|
|
(ISCHAR (3)) /* .. and 3rd param */
|
|
)
|
|
)
|
|
)
|
|
{
|
|
|
|
unsigned char *pcString;
|
|
size_t sStrLen;
|
|
unsigned char *puc, ucChar1 = ' ', ucChar2 = ' ';
|
|
int iMode;
|
|
size_t sIgnore;
|
|
int iParamShift = 0;
|
|
|
|
if (iSwitch == DO_POS1_POSRANGE)
|
|
{
|
|
|
|
if (hb_parclen (1) == 0)
|
|
{
|
|
hb_retnl (0);
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
ucChar1 = *(hb_parc (1));
|
|
}
|
|
|
|
if (hb_parclen (2) == 0)
|
|
{
|
|
hb_retnl (0);
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
ucChar2 = *(hb_parc (2));
|
|
}
|
|
|
|
iParamShift += 2;
|
|
}
|
|
|
|
pcString = (unsigned char *)hb_parc (iParamShift+1);
|
|
sStrLen = (size_t)hb_parclen (iParamShift+1);
|
|
|
|
if (ISLOG (iParamShift+2))
|
|
iMode = hb_parl (iParamShift+2);
|
|
else
|
|
iMode = 0;
|
|
|
|
if (ISNUM (iParamShift+3))
|
|
sIgnore = (size_t)hb_parnl (iParamShift+3);
|
|
else
|
|
sIgnore = 0;
|
|
|
|
for (puc = pcString+sIgnore; puc < pcString+sStrLen; puc++)
|
|
{
|
|
int iDoRet = 0;
|
|
switch (iSwitch)
|
|
{
|
|
case DO_POS1_POSALPHA:
|
|
{
|
|
iDoRet = isalpha(*puc);
|
|
}; break;
|
|
|
|
case DO_POS1_POSLOWER:
|
|
{
|
|
iDoRet = islower(*puc);
|
|
}; break;
|
|
|
|
case DO_POS1_POSRANGE:
|
|
{
|
|
iDoRet = ((ucChar1 <= *puc) && (ucChar2 >= *puc));
|
|
}; break;
|
|
|
|
case DO_POS1_POSUPPER:
|
|
{
|
|
iDoRet = isupper(*puc);
|
|
}; break;
|
|
}
|
|
|
|
if ((iMode && !iDoRet) || (!iMode && iDoRet))
|
|
{
|
|
hb_retnl (puc-pcString+1);
|
|
return;
|
|
}
|
|
}
|
|
|
|
hb_retnl (0);
|
|
|
|
}
|
|
else /* ISCHAR (1) etc. */
|
|
{
|
|
PHB_ITEM pSubst = NULL;
|
|
int iArgErrorMode = ct_getargerrormode();
|
|
if (iArgErrorMode != CT_ARGERR_IGNORE)
|
|
{
|
|
switch (iSwitch)
|
|
{
|
|
case DO_POS1_POSALPHA:
|
|
{
|
|
pSubst = ct_error_subst ((USHORT)iArgErrorMode, EG_ARG, CT_ERROR_POSALPHA,
|
|
NULL, "POSALPHA", 0, EF_CANSUBSTITUTE, 3,
|
|
hb_paramError (1), hb_paramError (2), hb_paramError (3));
|
|
}; break;
|
|
|
|
case DO_POS1_POSLOWER:
|
|
{
|
|
pSubst = ct_error_subst ((USHORT)iArgErrorMode, EG_ARG, CT_ERROR_POSLOWER,
|
|
NULL, "POSLOWER", 0, EF_CANSUBSTITUTE, 3,
|
|
hb_paramError (1), hb_paramError (2), hb_paramError (3));
|
|
}; break;
|
|
|
|
case DO_POS1_POSRANGE:
|
|
{
|
|
pSubst = ct_error_subst ((USHORT)iArgErrorMode, EG_ARG, CT_ERROR_POSRANGE,
|
|
NULL, "POSRANGE", 0, EF_CANSUBSTITUTE, 5,
|
|
hb_paramError (1), hb_paramError (2), hb_paramError (3),
|
|
hb_paramError (4), hb_paramError (5));
|
|
}; break;
|
|
|
|
case DO_POS1_POSUPPER:
|
|
{
|
|
pSubst = ct_error_subst ((USHORT)iArgErrorMode, EG_ARG, CT_ERROR_POSUPPER,
|
|
NULL, "POSUPPER", 0, EF_CANSUBSTITUTE, 3,
|
|
hb_paramError (1), hb_paramError (2), hb_paramError (3));
|
|
}; break;
|
|
}
|
|
}
|
|
|
|
if (pSubst != NULL)
|
|
{
|
|
hb_itemReturn (pSubst);
|
|
hb_itemRelease (pSubst);
|
|
}
|
|
else
|
|
{
|
|
hb_retnl (0);
|
|
}
|
|
}
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
/* $DOC$
|
|
* $FUNCNAME$
|
|
* POSALPHA()
|
|
* $CATEGORY$
|
|
* CT3 string functions
|
|
* $ONELINER$
|
|
* Left-most position of a letter in a string
|
|
* $SYNTAX$
|
|
* POSALPHA (<cString>, [<lMode>], [<nIgnore>]) -> nPosition
|
|
* $ARGUMENTS$
|
|
* $RETURNS$
|
|
* $DESCRIPTION$
|
|
* TODO: add documentation
|
|
* $EXAMPLES$
|
|
* $TESTS$
|
|
* $STATUS$
|
|
* Started
|
|
* $COMPLIANCE$
|
|
* POSALPHA() is compatible with CT3's POSALPHA().
|
|
* $PLATFORMS$
|
|
* All
|
|
* $FILES$
|
|
* Source is pos1.c, library is libct.
|
|
* $SEEALSO$
|
|
* POSLOWER(),POSUPPER(),POSRANGE()
|
|
* $END$
|
|
*/
|
|
|
|
HB_FUNC (POSALPHA)
|
|
{
|
|
|
|
do_pos1 (DO_POS1_POSALPHA);
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
/* $DOC$
|
|
* $FUNCNAME$
|
|
* POSLOWER()
|
|
* $CATEGORY$
|
|
* CT3 string functions
|
|
* $ONELINER$
|
|
* Left-most position of a lowercase letter in a string
|
|
* $SYNTAX$
|
|
* POSLOWER (<cString>, [<lMode>], [<nIgnore>]) -> nPosition
|
|
* $ARGUMENTS$
|
|
* $RETURNS$
|
|
* $DESCRIPTION$
|
|
* TODO: add documentation
|
|
* $EXAMPLES$
|
|
* $TESTS$
|
|
* $STATUS$
|
|
* Started
|
|
* $COMPLIANCE$
|
|
* POSLOWER() is compatible with CT3's POSLOWER().
|
|
* $PLATFORMS$
|
|
* All
|
|
* $FILES$
|
|
* Source is pos1.c, library is libct.
|
|
* $SEEALSO$
|
|
* POSALPHA(),POSUPPER(),POSRANGE()
|
|
* $END$
|
|
*/
|
|
|
|
HB_FUNC (POSLOWER)
|
|
{
|
|
|
|
do_pos1 (DO_POS1_POSLOWER);
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
/* $DOC$
|
|
* $FUNCNAME$
|
|
* POSRANGE()
|
|
* $CATEGORY$
|
|
* CT3 string functions
|
|
* $ONELINER$
|
|
* Left-most position of a character from a set in a string
|
|
* $SYNTAX$
|
|
* POSRANGE (<cChar1>, <cChar2>, <cString>, [<lMode>],
|
|
* [<nIgnore>]) -> nPosition
|
|
* $ARGUMENTS$
|
|
* $RETURNS$
|
|
* $DESCRIPTION$
|
|
* TODO: add documentation
|
|
* $EXAMPLES$
|
|
* $TESTS$
|
|
* $STATUS$
|
|
* Started
|
|
* $COMPLIANCE$
|
|
* POSRANGE() is compatible with CT3's POSRANGE().
|
|
* $PLATFORMS$
|
|
* All
|
|
* $FILES$
|
|
* Source is pos1.c, library is libct.
|
|
* $SEEALSO$
|
|
* POSALPHA(),POSLOWER(),POSUPPER()
|
|
* $END$
|
|
*/
|
|
|
|
HB_FUNC (POSRANGE)
|
|
{
|
|
|
|
do_pos1 (DO_POS1_POSRANGE);
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
/* $DOC$
|
|
* $FUNCNAME$
|
|
* POSUPPER()
|
|
* $CATEGORY$
|
|
* CT3 string functions
|
|
* $ONELINER$
|
|
* Left-most position of an uppercase letter in a string
|
|
* $SYNTAX$
|
|
* POSUPPER (<cString>, [<lMode>], [<nIgnore>]) -> nPosition
|
|
* $ARGUMENTS$
|
|
* $RETURNS$
|
|
* $DESCRIPTION$
|
|
* TODO: add documentation
|
|
* $EXAMPLES$
|
|
* $TESTS$
|
|
* $STATUS$
|
|
* Started
|
|
* $COMPLIANCE$
|
|
* POSUPPER() is compatible with CT3's POSUPPER().
|
|
* $PLATFORMS$
|
|
* All
|
|
* $FILES$
|
|
* Source is pos1.c, library is libct.
|
|
* $SEEALSO$
|
|
* POSALPHA(),POSLOWER(),POSRANGE()
|
|
* $END$
|
|
*/
|
|
|
|
HB_FUNC (POSUPPER)
|
|
{
|
|
|
|
do_pos1 (DO_POS1_POSUPPER);
|
|
return;
|
|
|
|
}
|