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/******************************************************************************
* $Id: python_strings.i 20716 2010-09-30 22:27:35Z rouault $
*
* Name: python_strings.i
* Project: GDAL Python Interface
* Author: Even Rouault, <even dot rouault at mines dash paris dot org>
*
******************************************************************************
* Copyright (c) 2009, Even Rouault
*
* 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.
*****************************************************************************/
%{
/* Return a PyObject* from a NULL terminated C String */
static PyObject* GDALPythonObjectFromCStr(const char *pszStr)
{
const unsigned char* pszIter = (const unsigned char*) pszStr;
while(*pszIter != 0)
{
if (*pszIter > 127)
{
PyObject* pyObj = PyUnicode_DecodeUTF8(pszStr, strlen(pszStr), "ignore");
if (pyObj != NULL)
return pyObj;
#if PY_VERSION_HEX >= 0x03000000
return PyBytes_FromString(pszStr);
#else
return PyString_FromString(pszStr);
#endif
}
pszIter ++;
}
#if PY_VERSION_HEX >= 0x03000000
return PyUnicode_FromString(pszStr);
#else
return PyString_FromString(pszStr);
#endif
}
/* Return a NULL terminated c String from a PyObject */
/* Result must be freed with GDALPythonFreeCStr */
static char* GDALPythonObjectToCStr(PyObject* pyObject, int* pbToFree)
{
*pbToFree = 0;
if (PyUnicode_Check(pyObject))
{
char *pszStr;
char *pszNewStr;
Py_ssize_t nLen;
PyObject* pyUTF8Str = PyUnicode_AsUTF8String(pyObject);
#if PY_VERSION_HEX >= 0x03000000
PyBytes_AsStringAndSize(pyUTF8Str, &pszStr, &nLen);
#else
PyString_AsStringAndSize(pyUTF8Str, &pszStr, &nLen);
#endif
pszNewStr = (char *) malloc(nLen+1);
memcpy(pszNewStr, pszStr, nLen+1);
Py_XDECREF(pyUTF8Str);
*pbToFree = 1;
return pszNewStr;
}
else
{
#if PY_VERSION_HEX >= 0x03000000
return PyBytes_AsString(pyObject);
#else
return PyString_AsString(pyObject);
#endif
}
}
static void GDALPythonFreeCStr(void* ptr, int bToFree)
{
if (bToFree)
free(ptr);
}
%}
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