def getExtentsIndex(ei_binary):
ei_buf = memoryview(ei_binary)
nd = getNodeDescriptor(ei_buf)
offsetList = [14]
PointerRecList = []
for i in range(nd.numRecords):
offset = unpack(">H", ei_buf[-2 * i - 4:-2 * i - 2])[0]
offsetList.append(offset)
for i in range(len(offsetList) - 1):
temp = ei_buf[offsetList[i]:offsetList[i + 1]]
epr = getExtentsPointerRec(temp)
PointerRecList.append(epr)
return ss.IndexNode(nd, PointerRecList)
def getAttributesIndex(ai_binary):
ai_buf = memoryview(ai_binary)
nd = getNodeDescriptor(ai_buf)
offsetList = [14]
PointerRecList = []
for i in range(nd.numRecords):
offset = unpack(">H", ai_buf[-2 * i - 4:-2 * i - 2])[0]
offsetList.append(offset)
for i in range(len(offsetList) - 1):
temp = ai_buf[offsetList[i]:offsetList[i + 1]]
apr = getAttributesPointerRec(temp)
PointerRecList.append(apr)
return ss.IndexNode(nd, PointerRecList)
def getCatalogIndex(ci_binary):
ci_buf = memoryview(ci_binary)
nd = getNodeDescriptor(ci_buf)
offsetList = [14]
PointerRecList = []
for i in range(nd.numRecords):
offset = unpack(">H", ci_buf[-2 * i - 4:-2 * i - 2])[0]
offsetList.append(offset)
for i in range(len(offsetList) - 1):
temp = ci_buf[offsetList[i]:offsetList[i + 1]]
cpr = getCatalogPointerRec(temp)
PointerRecList.append(cpr)
return ss.IndexNode(nd, PointerRecList)