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devtools/swigwin-1.3.34/Lib/python/pystrings.swg

@@ -0,0 +1,75 @@
+/* ------------------------------------------------------------
+ *  utility methods for char strings 
+ * ------------------------------------------------------------ */
+%fragment("SWIG_AsCharPtrAndSize","header",fragment="SWIG_pchar_descriptor") {
+SWIGINTERN int
+SWIG_AsCharPtrAndSize(PyObject *obj, char** cptr, size_t* psize, int *alloc)
+{
+  if (PyString_Check(obj) || PyUnicode_Check(obj) ) {
+    char *cstr; Py_ssize_t len;
+    PyString_AsStringAndSize(obj, &cstr, &len);
+    if (cptr)  {
+      if (alloc) {
+	/* 
+	   In python the user should not be able to modify the inner
+	   string representation. To warranty that, if you define
+	   SWIG_PYTHON_SAFE_CSTRINGS, a new/copy of the python string
+	   buffer is always returned.
+
+	   The default behavior is just to return the pointer value,
+	   so, be careful.
+	*/ 
+%#if defined(SWIG_PYTHON_SAFE_CSTRINGS)
+	if (*alloc != SWIG_OLDOBJ) 
+%#else
+	if (*alloc == SWIG_NEWOBJ) 
+%#endif
+	  {
+	    *cptr = %new_copy_array(cstr, len + 1, char);
+	    *alloc = SWIG_NEWOBJ;
+	  }
+	else {
+	  *cptr = cstr;
+	  *alloc = SWIG_OLDOBJ;
+	}
+      } else {
+	*cptr = PyString_AsString(obj);
+      }
+    }
+    if (psize) *psize = len + 1;
+    return SWIG_OK;
+  } else {
+    swig_type_info* pchar_descriptor = SWIG_pchar_descriptor();
+    if (pchar_descriptor) {
+      void* vptr = 0;
+      if (SWIG_ConvertPtr(obj, &vptr, pchar_descriptor, 0) == SWIG_OK) {
+	if (cptr) *cptr = (char *) vptr;
+	if (psize) *psize = vptr ? (strlen((char *)vptr) + 1) : 0;
+	if (alloc) *alloc = SWIG_OLDOBJ;
+	return SWIG_OK;
+      }
+    }
+  }
+  return SWIG_TypeError;
+}
+}
+
+%fragment("SWIG_FromCharPtrAndSize","header",fragment="SWIG_pchar_descriptor") {
+SWIGINTERNINLINE PyObject *
+SWIG_FromCharPtrAndSize(const char* carray, size_t size)
+{
+  if (carray) {
+    if (size > INT_MAX) {
+      swig_type_info* pchar_descriptor = SWIG_pchar_descriptor();
+      return pchar_descriptor ? 
+	SWIG_NewPointerObj(%const_cast(carray,char *), pchar_descriptor, 0) : SWIG_Py_Void();
+    } else {
+      return PyString_FromStringAndSize(carray, %numeric_cast(size,int));
+    }
+  } else {
+    return SWIG_Py_Void();
+  }
+}
+}
+
+