def decodeCatalogItem(di, versionNumber, store):
"""decodeCatalogItem
This function decodes a CatalogItem of an unknown type from the
given datagram stream, reversing the logic used by
encodeCatalogItem(). The new catalog item is returned.
"""
import CatalogItemTypes
global CatalogReverseType
if CatalogReverseType == None:
# First, we have to create the reverse lookup.
CatalogReverseType = {}
for itemClass, index in CatalogItemTypes.CatalogItemTypes.items():
CatalogReverseType[index] = itemClass
startIndex = di.getCurrentIndex()
try:
flags = di.getUint8()
typeIndex = flags & CatalogItemTypes.CatalogItemTypeMask
gift = None
code = None
if flags & CatalogItemTypes.CatalogItemGiftTag:
gift = di.getUint32()
code = di.getUint8()
else:
pass
itemClass = CatalogReverseType[typeIndex]
item = itemClass(di, versionNumber, store=store)
except Exception, e:
CatalogItem.notify.warning("Invalid catalog item in stream: %s, %s" %
(sys.exc_info()[0], e))
d = Datagram(di.getDatagram().getMessage()[startIndex:])
d.dumpHex(Notify.out())
#import pdb; pdb.set_trace()#debug on invalid catalog items
import CatalogInvalidItem
return CatalogInvalidItem.CatalogInvalidItem()
def decodeCatalogItem(di, versionNumber, store):
global CatalogReverseType
import CatalogItemTypes
if CatalogReverseType == None:
CatalogReverseType = {}
for (itemClass, index) in CatalogItemTypes.CatalogItemTypes.items():
CatalogReverseType[index] = itemClass
startIndex = di.getCurrentIndex()
try:
flags = di.getUint8()
typeIndex = flags & CatalogItemTypes.CatalogItemTypeMask
gift = None
code = None
if flags & CatalogItemTypes.CatalogItemGiftTag:
gift = di.getUint32()
code = di.getUint8()
itemClass = CatalogReverseType[typeIndex]
item = itemClass(di, versionNumber, store=store)
except Exception:
e = None
CatalogItem.notify.warning('Invalid catalog item in stream: %s, %s' %
(sys.exc_info()[0], e))
d = Datagram(di.getDatagram().getMessage()[startIndex:])
d.dumpHex(Notify.out())
import CatalogInvalidItem as CatalogInvalidItem
return CatalogInvalidItem.CatalogInvalidItem()
if flags & CatalogItemTypes.CatalogItemSaleFlag:
item.saleItem = 1
item.giftTag = gift
item.giftCode = code
return item
