1 files changed, 196 insertions, 0 deletions
diff --git a/scripting/wx_python_helpers.cpp b/scripting/wx_python_helpers.cpp
new file mode 100644
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+++ b/scripting/wx_python_helpers.cpp
@@ -0,0 +1,196 @@
+/*
+ * 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;
+}