Cutlery/calibre
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This commit is contained in:
Kovid Goyal 2011-07-17 10:05:21 -06:00
parent fc2e8d8d38
commit 43ce6b537e
1 changed files with 14 additions and 3 deletions
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17
src/calibre/ebooks/mobi/debug.py
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@ -365,7 +365,16 @@ class MOBIHeader(object): # {{{
class TagX(object):
def __init__(self, raw, control_byte_count):
pass
self.tag = ord(raw[0])
self.num_values = ord(raw[1])
self.bitmask = bin(ord(raw[2]))
# End of file = 1 iff last entry
# When it is 1 all others are 0
self.eof = ord(raw[3])
def __repr__(self):
return 'TAGX(tag=%d, num_values=%d, bitmask=%r, eof=%d)' % (self.tag,
self.num_values, self.bitmask, self.eof)
class PrimaryIndexRecord(object):
@ -411,9 +420,9 @@ class PrimaryIndexRecord(object):
if len(tag_table) % 4 != 0:
raise ValueError('Invalid Tag table')
num_tagx_entries = len(tag_table) // 4
self.tag_entries = []
self.tagx_entries = []
for i in range(num_tagx_entries):
self.tag_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))
@ -444,6 +453,8 @@ class PrimaryIndexRecord(object):
a('*'*20 + ' TAGX Header '+ '*'*20)
a('Header length: %d'%self.tagx_header_length)
a('Control byte count: %d'%self.tagx_control_byte_count)
for i in self.tagx_entries:
a('\t' + repr(i))
return '\n'.join(ans)
class MOBIFile(object):