149 lines
3.8 KiB
C++
149 lines
3.8 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2012 Miguel Angel Ajo <miguelangel@nbee.es>
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* Copyright (C) 1992-2012 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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/**
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* @file wx_python_helpers.cpp
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* @brief Python wrapping helpers for wx structures/objects
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*/
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#include <Python.h>
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#include <wx/intl.h>
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#include <wx/string.h>
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#define WX_DEFAULTENCODING_SIZE 64
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static char wxPythonEncoding[WX_DEFAULTENCODING_SIZE] = "ascii";
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wxString* newWxStringFromPy(PyObject* src) {
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bool must_unref_str=false;
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wxString* result = NULL;
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PyObject *obj=src;
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#if wxUSE_UNICODE
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bool must_unref_obj=false;
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// Unicode string to python unicode string
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PyObject* uni_str = src;
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// if not an str or unicode, try to str(src)
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if (!PyString_Check(src) && !PyUnicode_Check(src))
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{
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obj = PyObject_Str(src);
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must_unref_obj = true;
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if (PyErr_Occurred()) return NULL;
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}
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if (PyString_Check(obj))
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{
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uni_str = PyUnicode_FromEncodedObject(obj, wxPythonEncoding, "strict");
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must_unref_str = true;
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if (PyErr_Occurred()) return NULL;
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}
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result = new wxString();
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size_t len = PyUnicode_GET_SIZE(uni_str);
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if (len)
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{
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PyUnicode_AsWideChar((PyUnicodeObject*)uni_str,
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wxStringBuffer(*result, len),len);
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}
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if (must_unref_str) Py_DECREF(uni_str);
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if (must_unref_obj) Py_DECREF(obj);
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#else
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// normal string (or object) to normal python string
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PyObject* str = src;
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if (PyUnicode_Check(src)) // if it's unicode convert to normal string
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{
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str = PyUnicode_AsEncodedString(src, wxPythonEncoding, "strict");
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if (PyErr_Occurred()) return NULL;
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}
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else if (!PyString_Check(src)) // if it's not a string, str(obj)
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{
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str = PyObject_Str(src);
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must_unref_str = true;
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if (PyErr_Occurred()) return NULL;
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}
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// get the string pointer and size
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char* str_ptr;
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Py_ssize_t str_size;
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PyString_AsStringAndSize(str, &str_ptr, &str_size);
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// build the wxString from our pointer / size
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result = new wxString(str_ptr, str_size);
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if (must_unref_str) Py_DECREF(str);
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#endif
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return result;
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}
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wxString Py2wxString(PyObject* src)
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{
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wxString result;
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wxString* resPtr = newWxStringFromPy(src);
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// In case of exception clear it and return an empty string
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if (resPtr==NULL)
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{
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PyErr_Clear();
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return wxEmptyString;
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}
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result = *resPtr;
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delete resPtr;
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return result;
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}
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PyObject* wx2PyString(const wxString& src)
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{
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PyObject* str;
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#if wxUSE_UNICODE
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str = PyUnicode_FromWideChar(src.c_str(), src.Len());
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#else
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str = PyString_FromStringAndSize(src.c_str(), src.Len());
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#endif
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return str;
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}
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void wxSetDefaultPyEncoding(const char* encoding)
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{
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strncpy(wxPythonEncoding, encoding, WX_DEFAULTENCODING_SIZE);
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}
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const char* wxGetDefaultPyEncoding()
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{
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return wxPythonEncoding;
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}
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