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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2012 Miguel Angel Ajo <miguelangel@nbee.es>
* Copyright (C) 1992-2012 KiCad Developers, see AUTHORS.txt for contributors.
*
* 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
* of the License, 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 program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/**
* @file wx_python_helpers.cpp
* @brief Python wrapping helpers for wx structures/objects
*/
#include <Python.h>
#include <wx/intl.h>
#include <wx/string.h>
#include <wx/arrstr.h>
#define WX_DEFAULTENCODING_SIZE 64
static char wxPythonEncoding[WX_DEFAULTENCODING_SIZE] = "ascii";
PyObject* wxArrayString2PyList( const wxArrayString& lst )
{
PyObject* list = PyList_New( 0 );
for( size_t i = 0; i < lst.GetCount(); i++ )
{
#if wxUSE_UNICODE
PyObject* pyStr = PyUnicode_FromWideChar( lst[i].c_str(),
lst[i].Len()
);
#else
PyObject* pyStr = PyString_FromStringAndSize( lst[i].c_str(),
lst[i].Len()
);
#endif
PyList_Append( list, pyStr );
Py_DECREF( pyStr );
}
return list;
}
wxString* newWxStringFromPy( PyObject* src )
{
bool must_unref_str = false;
wxString* result = NULL;
PyObject* obj = src;
#if wxUSE_UNICODE
bool must_unref_obj = false;
// Unicode string to python unicode string
PyObject* uni_str = src;
// if not an str or unicode, try to str(src)
if( !PyString_Check( src ) && !PyUnicode_Check( src ) )
{
obj = PyObject_Str( src );
must_unref_obj = true;
if( PyErr_Occurred() )
return NULL;
}
if( PyString_Check( obj ) )
{
uni_str = PyUnicode_FromEncodedObject( obj, wxPythonEncoding, "strict" );
must_unref_str = true;
if( PyErr_Occurred() )
return NULL;
}
result = new wxString();
size_t len = PyUnicode_GET_SIZE( uni_str );
if( len )
{
PyUnicode_AsWideChar( (PyUnicodeObject*) uni_str,
wxStringBuffer( *result, len ), len );
}
if( must_unref_str )
{
Py_DECREF( uni_str );
}
if( must_unref_obj )
{
Py_DECREF( obj );
}
#else
// normal string (or object) to normal python string
PyObject* str = src;
if( PyUnicode_Check( src ) ) // if it's unicode convert to normal string
{
str = PyUnicode_AsEncodedString( src, wxPythonEncoding, "strict" );
if( PyErr_Occurred() )
return NULL;
}
else if( !PyString_Check( src ) ) // if it's not a string, str(obj)
{
str = PyObject_Str( src );
must_unref_str = true;
if( PyErr_Occurred() )
return NULL;
}
// get the string pointer and size
char* str_ptr;
Py_ssize_t str_size;
PyString_AsStringAndSize( str, &str_ptr, &str_size );
// build the wxString from our pointer / size
result = new wxString( str_ptr, str_size );
if( must_unref_str )
{
Py_DECREF( str );
}
#endif
return result;
}
wxString Py2wxString( PyObject* src )
{
wxString result;
wxString* resPtr = newWxStringFromPy( src );
// In case of exception clear it and return an empty string
if( resPtr==NULL )
{
PyErr_Clear();
return wxEmptyString;
}
result = *resPtr;
delete resPtr;
return result;
}
PyObject* wx2PyString( const wxString& src )
{
PyObject* str;
#if wxUSE_UNICODE
str = PyUnicode_FromWideChar( src.c_str(), src.Len() );
#else
str = PyString_FromStringAndSize( src.c_str(), src.Len() );
#endif
return str;
}
void wxSetDefaultPyEncoding( const char* encoding )
{
strncpy( wxPythonEncoding, encoding, WX_DEFAULTENCODING_SIZE );
wxPythonEncoding[ WX_DEFAULTENCODING_SIZE - 1 ] = '\0';
}
const char* wxGetDefaultPyEncoding()
{
return wxPythonEncoding;
}
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