| 1 | # Various utilities for working with nsISupportsPrimitive
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| 2 | from xpcom import components
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| 3 |
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| 4 | _primitives_map = {}
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| 5 |
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| 6 | def _build_map():
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| 7 | ifaces = components.interfaces
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| 8 | iface = ifaces.nsISupportsPrimitive
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| 9 | m = _primitives_map
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| 10 |
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| 11 | m[iface.TYPE_ID] = ifaces.nsISupportsID
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| 12 | m[iface.TYPE_CSTRING] = ifaces.nsISupportsCString
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| 13 | m[iface.TYPE_STRING] = ifaces.nsISupportsString
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| 14 | m[iface.TYPE_PRBOOL] = ifaces.nsISupportsPRBool
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| 15 | m[iface.TYPE_PRUINT8] = ifaces.nsISupportsPRUint8
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| 16 | m[iface.TYPE_PRUINT16] = ifaces.nsISupportsPRUint16
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| 17 | m[iface.TYPE_PRUINT32] = ifaces.nsISupportsPRUint32
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| 18 | m[iface.TYPE_PRUINT64] = ifaces.nsISupportsPRUint64
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| 19 | m[iface.TYPE_PRINT16] = ifaces.nsISupportsPRInt16
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| 20 | m[iface.TYPE_PRINT32] = ifaces.nsISupportsPRInt32
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| 21 | m[iface.TYPE_PRINT64] = ifaces.nsISupportsPRInt64
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| 22 | m[iface.TYPE_PRTIME] = ifaces.nsISupportsPRTime
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| 23 | m[iface.TYPE_CHAR] = ifaces.nsISupportsChar
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| 24 | m[iface.TYPE_FLOAT] = ifaces.nsISupportsFloat
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| 25 | m[iface.TYPE_DOUBLE] = ifaces.nsISupportsDouble
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| 26 | # Do interface pointer specially - it provides the IID.
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| 27 | #m[iface.TYPE_INTERFACE_POINTER] = ifaces.nsISupportsDouble
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| 28 |
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| 29 | def GetPrimitive(ob):
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| 30 | if len(_primitives_map)==0:
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| 31 | _build_map()
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| 32 |
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| 33 | prin = ob.QueryInterface(components.interfaces.nsISupportsPrimitive)
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| 34 | try:
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| 35 | better = _primitives_map[prin.type]
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| 36 | except KeyError:
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| 37 | raise ValueError("This primitive type (%d) is not supported" % (prin.type,))
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| 38 | prin = prin.QueryInterface(better)
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| 39 | return prin.data
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