mirror of
https://github.com/SickGear/SickGear.git
synced 2024-11-22 04:45:05 +00:00
50 lines
1.8 KiB
Python
50 lines
1.8 KiB
Python
"""
|
|
Integer field classes:
|
|
- UInt8, UInt16, UInt24, UInt32, UInt64: unsigned integer of 8, 16, 32, 64 bits ;
|
|
- Int8, Int16, Int24, Int32, Int64: signed integer of 8, 16, 32, 64 bits.
|
|
"""
|
|
|
|
from hachoir.field import Bits, FieldError
|
|
|
|
|
|
class GenericInteger(Bits):
|
|
"""
|
|
Generic integer class used to generate other classes.
|
|
"""
|
|
|
|
def __init__(self, parent, name, signed, size, description=None):
|
|
if not (8 <= size <= 16384):
|
|
raise FieldError(
|
|
"Invalid integer size (%s): have to be in 8..16384" % size)
|
|
Bits.__init__(self, parent, name, size, description)
|
|
self.signed = signed
|
|
|
|
def createValue(self):
|
|
return self._parent.stream.readInteger(
|
|
self.absolute_address, self.signed, self._size, self._parent.endian)
|
|
|
|
|
|
def integerFactory(name, is_signed, size, doc):
|
|
class Integer(GenericInteger):
|
|
__doc__ = doc
|
|
static_size = size
|
|
|
|
def __init__(self, parent, name, description=None):
|
|
GenericInteger.__init__(
|
|
self, parent, name, is_signed, size, description)
|
|
cls = Integer
|
|
cls.__name__ = name
|
|
return cls
|
|
|
|
|
|
UInt8 = integerFactory("UInt8", False, 8, "Unsigned integer of 8 bits")
|
|
UInt16 = integerFactory("UInt16", False, 16, "Unsigned integer of 16 bits")
|
|
UInt24 = integerFactory("UInt24", False, 24, "Unsigned integer of 24 bits")
|
|
UInt32 = integerFactory("UInt32", False, 32, "Unsigned integer of 32 bits")
|
|
UInt64 = integerFactory("UInt64", False, 64, "Unsigned integer of 64 bits")
|
|
|
|
Int8 = integerFactory("Int8", True, 8, "Signed integer of 8 bits")
|
|
Int16 = integerFactory("Int16", True, 16, "Signed integer of 16 bits")
|
|
Int24 = integerFactory("Int24", True, 24, "Signed integer of 24 bits")
|
|
Int32 = integerFactory("Int32", True, 32, "Signed integer of 32 bits")
|
|
Int64 = integerFactory("Int64", True, 64, "Signed integer of 64 bits")
|