libs-gsweb/GSWAdaptors/common/GSWString.c
Manuel Guesdon f9ecb43b28 *** empty log message ***
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gsweb/trunk@6293 72102866-910b-0410-8b05-ffd578937521
2000-03-16 16:16:49 +00:00

128 lines
3.5 KiB
C

/* GSWString.c - GSWeb: Adaptors: String
Copyright (C) 1999 Free Software Foundation, Inc.
Written by: Manuel Guesdon <mguesdon@sbuilders.com>
Date: Jully 1999
This file is part of the GNUstep Web Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <stdlib.h>
#include <sys/param.h>
#include "config.h"
#include "GSWUtil.h"
#include "GSWString.h"
//--------------------------------------------------------------------
GSWString* GSWString_New()
{
GSWString* pString = malloc(sizeof(GSWString));
memset(pString,0,sizeof(GSWString));
return pString;
};
//--------------------------------------------------------------------
void GSWString_Free(GSWString* p_pString)
{
if (p_pString)
{
if (p_pString->pszData)
{
free(p_pString->pszData);
p_pString->pszData=NULL;
};
free(p_pString);
};
};
//--------------------------------------------------------------------
int GSWString_Len(GSWString* p_pString)
{
return p_pString->iLen;
};
//--------------------------------------------------------------------
void GSWString_Detach(GSWString* p_pString)
{
memset(p_pString,0,sizeof(GSWString));
};
//--------------------------------------------------------------------
void GSWString_GrowUpToSize(GSWString* p_pString,
int p_iSize)
{
if (p_iSize>p_pString->iSize)
{
if (!p_pString->pszData)
{
p_pString->iSize=max(p_iSize,4096);
p_pString->pszData=malloc(p_pString->iSize);
}
else
{
p_pString->iSize=max(p_iSize,4096);
p_pString->pszData=realloc(p_pString->pszData,p_pString->iSize);
};
};
};
//--------------------------------------------------------------------
void GSWString_Append(GSWString* p_pString,
CONST char* p_pszString)
{
int iLen = strlen(p_pszString);
GSWString_GrowUpToSize(p_pString,p_pString->iLen+iLen+1);
memcpy(p_pString->pszData+p_pString->iLen,p_pszString,iLen+1);
p_pString->iLen+=iLen;
};
//--------------------------------------------------------------------
void GSWString_SearchReplace(GSWString* p_pString,
CONST char* p_pszSearch,
CONST char* p_pszReplace)
{
int iSearchLen=SafeStrlen(p_pszSearch);
if (iSearchLen>0)
{
char* p=strstr(p_pString->pszData,p_pszSearch);
if (p)
{
int iIndex=0;
int iReplaceLen=SafeStrlen(p_pszReplace);
int iDiff=iReplaceLen-iSearchLen;
while(p)
{
iIndex=p-p_pString->pszData;
if (iDiff>0)
GSWString_GrowUpToSize(p_pString,p_pString->iSize+iDiff);
if (iDiff!=0)
memmove(p_pString->pszData+iIndex+iReplaceLen,
p_pString->pszData+iIndex+iSearchLen,
p_pString->iLen-iIndex-iSearchLen+1);
if (iReplaceLen>0)
memcpy(p_pString->pszData+iIndex,p_pszReplace,iReplaceLen);
p_pString->iLen+=iDiff;
p=strstr(p_pString->pszData+iIndex+iReplaceLen,p_pszSearch);
};
};
};
};