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/******************************************************************************
*
* Project: ISO 8211 Access
* Purpose: Various utility functions.
* Author: Frank Warmerdam, warmerdam@pobox.com
*
******************************************************************************
* Copyright (c) 1999, Frank Warmerdam
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
****************************************************************************/
#include "cpl_port.h"
#include "iso8211.h"
#include <cstdlib>
#include <cstring>
#include "cpl_conv.h"
/************************************************************************/
/* DDFScanInt() */
/* */
/* Read up to nMaxChars from the passed string, and interpret */
/* as an integer. */
/************************************************************************/
int DDFScanInt(const char *pszString, int nMaxChars)
{
char szWorking[33] = {};
if (nMaxChars > 32 || nMaxChars == 0)
nMaxChars = 32;
memcpy(szWorking, pszString, nMaxChars);
szWorking[nMaxChars] = '\0';
return atoi(szWorking);
}
/************************************************************************/
/* DDFScanVariable() */
/* */
/* Establish the length of a variable length string in a */
/* record. */
/************************************************************************/
int DDFScanVariable(const char *pszRecord, int nMaxChars, int nDelimChar)
{
int i = 0; // Used after for.
for (; i < nMaxChars - 1 && pszRecord[i] != nDelimChar; i++)
{
}
return i;
}
/************************************************************************/
/* DDFFetchVariable() */
/* */
/* Fetch a variable length string from a record, and allocate */
/* it as a new string (with CPLStrdup()). */
/************************************************************************/
char *DDFFetchVariable(const char *pszRecord, int nMaxChars, int nDelimChar1,
int nDelimChar2, int *pnConsumedChars)
{
int i = 0; // Used after for.
for (; i < nMaxChars - 1 && pszRecord[i] != nDelimChar1 &&
pszRecord[i] != nDelimChar2;
i++)
{
}
*pnConsumedChars = i;
if (i < nMaxChars &&
(pszRecord[i] == nDelimChar1 || pszRecord[i] == nDelimChar2))
(*pnConsumedChars)++;
char *pszReturn = static_cast<char *>(CPLMalloc(i + 1));
pszReturn[i] = '\0';
strncpy(pszReturn, pszRecord, i);
return pszReturn;
}
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