163 lines
4.3 KiB
C
163 lines
4.3 KiB
C
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* STRFORMAT() function
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*
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* Copyright 1999-2001 Viktor Szakats <viktor.szakats@syenar.hu>
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* www - http://www.harbour-project.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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#include "hbapi.h"
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#define HB_STRFORMAT_PARNUM_MAX_ 9
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HB_FUNC( STRFORMAT )
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{
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char* pszMask = hb_parc(1);
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ULONG nMaskLen = hb_parclen(1);
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ULONG nMaskPos;
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ULONG nParNum = hb_pcount();
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ULONG nLenTable [HB_STRFORMAT_PARNUM_MAX_];
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char* pszVarTable [HB_STRFORMAT_PARNUM_MAX_];
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ULONG nRetValLen;
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char* pszRetVal;
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char* pszRetValSave;
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ULONG tmp;
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if (nParNum < 1)
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{
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hb_retc("");
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return;
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}
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nParNum--;
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if (nParNum > HB_STRFORMAT_PARNUM_MAX_) nParNum = HB_STRFORMAT_PARNUM_MAX_;
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for (tmp = 0; tmp < nParNum; tmp++)
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{
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nLenTable[tmp] = hb_parclen(tmp + 2);
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pszVarTable[tmp] = hb_parc(tmp + 2);
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}
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nMaskPos = 0;
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nRetValLen = 0;
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while (nMaskPos < nMaskLen)
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{
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if (pszMask[nMaskPos] == '%')
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{
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nMaskPos++;
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if (pszMask[nMaskPos] == '\0')
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{
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break;
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}
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else if (pszMask[nMaskPos] == '%')
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{
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nRetValLen++;
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}
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else if (pszMask[nMaskPos] >= '1' && pszMask[nMaskPos] <= (int)(nParNum + '0'))
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{
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nRetValLen += nLenTable[pszMask[nMaskPos] - '1'];
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}
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else
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{
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/* ; do nothing */
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}
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}
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else
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{
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nRetValLen++;
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}
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nMaskPos++;
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}
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nMaskPos = 0;
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pszRetVal = pszRetValSave = (char *) hb_xgrab(nRetValLen + 1);
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while (nMaskPos < nMaskLen)
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{
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if (pszMask[nMaskPos] == '%')
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{
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nMaskPos++;
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if (pszMask[nMaskPos] == '\0')
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{
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break;
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}
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else if (pszMask[nMaskPos] == '%')
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{
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*pszRetVal++ = pszMask[nMaskPos];
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}
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else if (pszMask[nMaskPos] >= '1' && pszMask[nMaskPos] <= (int)(nParNum + '0'))
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{
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ULONG nPos = pszMask[nMaskPos] - '1';
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memcpy(pszRetVal, pszVarTable[nPos], nLenTable[nPos]);
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pszRetVal += nLenTable[nPos];
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}
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else
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{
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/* ; do nothing */
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}
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}
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else
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{
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*pszRetVal++ = pszMask[nMaskPos];
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}
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nMaskPos++;
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}
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hb_retclen(pszRetValSave, nRetValLen);
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hb_xfree(pszRetValSave);
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}
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