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This commit is contained in:
Kovid Goyal 2011-07-17 10:11:28 -06:00
parent 8d866f63df
commit 709099ddf1
1 changed files with 9 additions and 3 deletions
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12
src/calibre/ebooks/mobi/debug.py
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@ -367,14 +367,18 @@ class TagX(object):
def __init__(self, raw, control_byte_count): def __init__(self, raw, control_byte_count):
self.tag = ord(raw[0]) self.tag = ord(raw[0])
self.num_values = ord(raw[1]) self.num_values = ord(raw[1])
self.bitmask = bin(ord(raw[2])) self.bmask = ord(raw[2])
self.bitmask = bin(self.bmask)
# End of file = 1 iff last entry # End of file = 1 iff last entry
# When it is 1 all others are 0 # When it is 1 all others are 0
self.eof = ord(raw[3]) self.eof = ord(raw[3])
self.is_eof = (self.eof == 1 and self.tag == 0 and self.num_values == 0
and self.bmask == 0)
def __repr__(self): def __repr__(self):
return 'TAGX(tag=%02d, num_values=%d, bitmask=%r, eof=%d)' % (self.tag, return 'TAGX(tag=%02d, num_values=%d, bitmask=%r (%d), eof=%d)' % (self.tag,
self.num_values, self.bitmask, self.eof) self.num_values, self.bitmask, self.bmask, self.eof)
class PrimaryIndexRecord(object): class PrimaryIndexRecord(object):
@ -424,6 +428,8 @@ class PrimaryIndexRecord(object):
for i in range(num_tagx_entries): for i in range(num_tagx_entries):
self.tagx_entries.append(TagX(tag_table[i*4:(i+1)*4], self.tagx_entries.append(TagX(tag_table[i*4:(i+1)*4],
self.tagx_control_byte_count)) self.tagx_control_byte_count))
if self.tagx_entries and not self.tagx_entries[-1].is_eof:
raise ValueError('TAGX last entry is not EOF')
def __str__(self): def __str__(self):