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swig/Lib/python/pywstrings.swg

Index: swig/Lib/python/pywstrings.swg
===================================================================
--- swig/Lib/python/pywstrings.swg	(revision 0)
+++ swig/Lib/python/pywstrings.swg	(revision 0)
@@ -0,0 +1,63 @@
+/* ------------------------------------------------------------
+ *  utility methods for wchar_t strings 
+ * ------------------------------------------------------------ */
+
+%fragment("SWIG_AsWCharPtrAndSize","header",fragment="<wchar.h>",fragment="SWIG_pwchar_descriptor") {
+SWIGINTERN int
+SWIG_AsWCharPtrAndSize(PyObject *obj, wchar_t **cptr, size_t *psize, int *alloc)
+{
+  PyObject *tmp = 0;
+  int isunicode = PyUnicode_Check(obj);
+%#if PY_VERSION_HEX < 0x03000000
+  if (!isunicode && PyString_Check(obj)) {
+    if (cptr) {
+      obj = tmp = PyUnicode_FromObject(obj);
+    }
+    isunicode = 1;
+  }
+%#endif
+  if (isunicode) {
+    Py_ssize_t len = PyUnicode_GetSize(obj);
+    if (cptr) {
+      *cptr = %new_array(len + 1, wchar_t);
+      PyUnicode_AsWideChar((PyUnicodeObject *)obj, *cptr, len);
+      (*cptr)[len] = 0;
+    }
+    if (psize) *psize = (size_t) len + 1;
+    if (alloc) *alloc = cptr ? SWIG_NEWOBJ : 0;
+    Py_XDECREF(tmp);
+    return SWIG_OK;
+  } else {
+    swig_type_info* pwchar_descriptor = SWIG_pwchar_descriptor();
+    if (pwchar_descriptor) {
+      void * vptr = 0;
+      if (SWIG_ConvertPtr(obj, &vptr, pwchar_descriptor, 0) == SWIG_OK) {
+	if (cptr) *cptr = (wchar_t *)vptr;
+	if (psize) *psize = vptr ? (wcslen((wchar_t *)vptr) + 1) : 0;
+	return SWIG_OK;
+      }
+    }
+  }
+  return SWIG_TypeError;
+}
+}
+
+%fragment("SWIG_FromWCharPtrAndSize","header",fragment="<wchar.h>",fragment="SWIG_pwchar_descriptor") {
+SWIGINTERNINLINE PyObject *
+SWIG_FromWCharPtrAndSize(const wchar_t * carray, size_t size)
+{
+  if (carray) {
+    if (size > INT_MAX) {
+      swig_type_info* pwchar_descriptor = SWIG_pwchar_descriptor();
+      return pwchar_descriptor ? 
+	SWIG_NewPointerObj(%const_cast(carray,wchar_t *), pwchar_descriptor, 0) : SWIG_Py_Void();
+    } else {
+      return PyUnicode_FromWideChar(carray, %numeric_cast(size,int));
+    }
+  } else {
+    return SWIG_Py_Void();
+  }
+}
+}
+
+