kicad/common/swig/wx_python_helpers.cpp

124 lines
3.1 KiB
C++

/*
* 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> // must be first to avoid wx/python typedef conflicts on msvc
#include <string_utils.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++ )
{
PyObject* pyStr = PyUnicode_FromString( lst[i].utf8_str() );
PyList_Append( list, pyStr );
Py_DECREF( pyStr );
}
return list;
}
wxString Py2wxString( PyObject* src )
{
bool must_unref_str = false;
bool must_unref_obj = false;
wxString result;
PyObject* obj = src;
PyObject* uni_str = src;
// if not an str or unicode, try to str(src)
if( !PyBytes_Check( src ) && !PyUnicode_Check( src ) )
{
obj = PyObject_Str( src );
uni_str = obj; // in case of Python 3 our string is already correctly encoded
must_unref_obj = true;
if( PyErr_Occurred() )
return result;
}
if( PyBytes_Check( obj ) )
{
uni_str = PyUnicode_FromEncodedObject( obj, wxPythonEncoding, "strict" );
must_unref_str = true;
if( PyErr_Occurred() )
return result;
}
size_t len = PyUnicode_GET_LENGTH( uni_str );
if( len )
result = From_UTF8( PyUnicode_AsUTF8( uni_str ) );
if( must_unref_str )
{
Py_DECREF( uni_str );
}
if( must_unref_obj )
{
Py_DECREF( obj );
}
return result;
}
PyObject* wx2PyString( const wxString& src )
{
return PyUnicode_FromString( src.utf8_str() );
}
void wxSetDefaultPyEncoding( const char* encoding )
{
strncpy( wxPythonEncoding, encoding, WX_DEFAULTENCODING_SIZE );
wxPythonEncoding[ WX_DEFAULTENCODING_SIZE - 1 ] = '\0';
}
const char* wxGetDefaultPyEncoding()
{
return wxPythonEncoding;
}