Apple-2-Tools/atrcopy
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Added support for diff_bit_mask and displaying differences between two segments

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Rob McMullen 2016-04-28 19:00:42 -07:00
parent 7ed99d614f
commit f2873c8b7d
2 changed files with 24 additions and 3 deletions
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2
atrcopy/__init__.py
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@ -11,7 +11,7 @@ from errors import *
from ataridos import AtariDosDiskImage, AtariDosFile
from diskimages import AtrHeader, BootDiskImage
from kboot import KBootImage
from segments import SegmentData, SegmentSaver, DefaultSegment, EmptySegment, ObjSegment, RawSectorsSegment, user_bit_mask, match_bit_mask, comment_bit_mask, data_bit_mask, selected_bit_mask
from segments import SegmentData, SegmentSaver, DefaultSegment, EmptySegment, ObjSegment, RawSectorsSegment, user_bit_mask, match_bit_mask, comment_bit_mask, data_bit_mask, selected_bit_mask, diff_bit_mask
from spartados import SpartaDosDiskImage
from utils import to_numpy

25
atrcopy/segments.py
View File

@ -3,7 +3,8 @@ import numpy as np
from errors import *
from utils import to_numpy, to_numpy_list
user_bit_mask = 0x0f
user_bit_mask = 0x07
diff_bit_mask = 0x08
match_bit_mask = 0x10
comment_bit_mask = 0x20
data_bit_mask = 0x40
@ -205,6 +206,15 @@ class DefaultSegment(object):
pass
self.set_raw(r)
def get_parallel_raw_data(self, other):
""" Get the raw data that is similar to the specified other segment
"""
start, end = other.byte_bounds_offset()
r = self.rawdata[start:end]
if other.rawdata.is_indexed:
r = r.get_indexed[other.order]
return r
def __str__(self):
s = "%s ($%x bytes)" % (self.name, len(self))
if self.error:
@ -262,7 +272,7 @@ class DefaultSegment(object):
def tostring(self):
return self.data.tostring()
def get_style_bits(self, match=False, comment=False, selected=False, data=False, user=0):
def get_style_bits(self, match=False, comment=False, selected=False, data=False, diff=False, user=0):
""" Return an int value that contains the specified style bits set.
Available styles for each byte are:
@ -275,6 +285,8 @@ class DefaultSegment(object):
style_bits = 0
if user:
style_bits |= (user & user_bit_mask)
if diff:
style_bits |= diff_bit_mask
if match:
style_bits |= match_bit_mask
if comment:
@ -441,6 +453,15 @@ class DefaultSegment(object):
if self._search_copy is None:
self._search_copy = self.data.tostring()
return self._search_copy
def compare_segment(self, other_segment):
self.clear_style_bits(diff=True)
diff = self.rawdata.data != other_segment.rawdata.data
print diff, diff.dtype
d = diff * np.uint8(diff_bit_mask)
print d
self.style |= (diff * np.uint8(diff_bit_mask))
print "# entries", len(diff), "# diffs:", len(np.where(diff == True)[0])
class EmptySegment(DefaultSegment):