Merge extensions/python/xpcom changes from DOM_AGNOSTIC2_BRANCH into the

trunk.


git-svn-id: svn://10.0.0.236/trunk@187878 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/extensions/python/xpcom/primitives.py

@@ -0,0 +1,39 @@
+# Various utilities for working with nsISupportsPrimitive
+from xpcom import components
+
+_primitives_map = {}
+
+def _build_map():
+    ifaces = components.interfaces
+    iface = ifaces.nsISupportsPrimitive
+    m = _primitives_map
+    
+    m[iface.TYPE_ID] = ifaces.nsISupportsID
+    m[iface.TYPE_CSTRING] = ifaces.nsISupportsCString
+    m[iface.TYPE_STRING] = ifaces.nsISupportsString
+    m[iface.TYPE_PRBOOL] = ifaces.nsISupportsPRBool
+    m[iface.TYPE_PRUINT8] = ifaces.nsISupportsPRUint8
+    m[iface.TYPE_PRUINT16] = ifaces.nsISupportsPRUint16
+    m[iface.TYPE_PRUINT32] = ifaces.nsISupportsPRUint32
+    m[iface.TYPE_PRUINT64] = ifaces.nsISupportsPRUint64
+    m[iface.TYPE_PRINT16] = ifaces.nsISupportsPRInt16
+    m[iface.TYPE_PRINT32] = ifaces.nsISupportsPRInt32
+    m[iface.TYPE_PRINT64] = ifaces.nsISupportsPRInt64
+    m[iface.TYPE_PRTIME] = ifaces.nsISupportsPRTime
+    m[iface.TYPE_CHAR] = ifaces.nsISupportsChar
+    m[iface.TYPE_FLOAT] = ifaces.nsISupportsFloat
+    m[iface.TYPE_DOUBLE] = ifaces.nsISupportsDouble
+    # Do interface pointer specially - it provides the IID.
+    #m[iface.TYPE_INTERFACE_POINTER] = ifaces.nsISupportsDouble
+    
+def GetPrimitive(ob):
+    if len(_primitives_map)==0:
+        _build_map()
+
+    prin = ob.QueryInterface(components.interfaces.nsISupportsPrimitive)
+    try:
+        better = _primitives_map[prin.type]
+    except KeyError:
+        raise ValueError, "This primitive type (%d) is not supported" % (prin.type,)
+    prin = prin.QueryInterface(better)
+    return prin.data