[Jython-checkins] SF.net SVN: jython:[6751] branches/ctypes-jffi/Lib/ctypes/__init__.py

[<wme...@us...>]

Revision: 6751
          http://jython.svn.sourceforge.net/jython/?rev=6751&view=rev
Author:   wmeissner
Date:     2009-09-04 14:41:21 +0000 (Fri, 04 Sep 2009)

Log Message:
-----------
Implement Structure._fields_=, and raise errors if _pack_ or _anonymous_ are set

Modified Paths:
--------------
    branches/ctypes-jffi/Lib/ctypes/__init__.py

Modified: branches/ctypes-jffi/Lib/ctypes/__init__.py
===================================================================
--- branches/ctypes-jffi/Lib/ctypes/__init__.py	2009-09-04 13:50:18 UTC (rev 6750)
+++ branches/ctypes-jffi/Lib/ctypes/__init__.py	2009-09-04 14:41:21 UTC (rev 6751)
@@ -88,9 +88,32 @@
             # make all fields accessible via .foo
             for f in dict['_fields_']:
                 dict[f[0]] = layout[f[0]]
+            dict['__fields_'] = dict['_fields_']
+        else:
+            dict['__fields_'] = []
+        if dict.has_key('_pack_'):
+            raise NotImplementedError("struct packing not implemented")
+        if dict.has_key('_anonymous_'):
+            raise NotImplementedError("anonymous fields not implemented")
 
         return type.__new__(cls, name, bases, dict)
 
+    def get_fields(self):
+        return self.__fields_
+
+    def set_fields(self, fields):
+        layout = _StructLayoutBuilder(union = issubclass(Union, self)).add_fields(fields).build()
+        self.__fields_ = fields
+        self._jffi_type = layout
+        # make all fields accessible via .foo
+        for f in fields:
+            setattr(self, f[0], layout[f[0]])
+
+    _fields_ = property(get_fields, set_fields)
+    # Make _pack_ and _anonymous_ throw errors if anyone tries to use them
+    _pack_ = property(None)
+    _anonymous_ = property(None)
+
 class _StructMetaClass(_AggregateMetaClass):
     def __new__(cls, name, bases, dict):
         return _AggregateMetaClass.__new_aggregate__(cls, name, bases, dict, union = False)


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