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Nicer debug output for index record headers

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This commit is contained in:
Kovid Goyal 2014-03-29 13:15:04 +05:30
parent 5d7584294c
commit 56482563e4
1 changed files with 6 additions and 2 deletions
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8
src/calibre/ebooks/mobi/debug/index.py
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@ -26,6 +26,10 @@ Elem = namedtuple('Chunk',
GuideRef = namedtuple('GuideRef', 'type title pos_fid')
INDEX_HEADER_FIELDS = INDEX_HEADER_FIELDS + ('last_index',)
FIELD_NAMES = {'len':'Header length', 'type':'Unknown', 'gen':'Index Type (0 - normal, 2 - inflection)',
'start':'IDXT Offset', 'count':'Number of Index records', 'code': 'character encoding', 'lng':'Unknown',
'total':'Number of Index Entries', 'ordt': 'ORDT Offset', 'ligt':'LIGT Offset', 'nligt':'Number of LIGT',
'ncncx':'Number of CNCX records', 'last_index':'Text of Boundary Index'}
def read_last_index(data, header):
offset = header['tagx']
@ -73,13 +77,13 @@ class Index(object):
a = ans.append
if self.header is not None:
for field in INDEX_HEADER_FIELDS:
a('%-12s: %r'%(field, self.header[field]))
a('%-12s: %r'%(FIELD_NAMES.get(field, field), self.header[field]))
ans.extend(['', ''])
ans += ['*'*10 + ' Index Record Headers (%d records) ' % len(self.index_headers) + '*'*10]
for i, header in enumerate(self.index_headers):
ans += ['*'*10 + ' Index Record %d ' % i + '*'*10]
for field in INDEX_HEADER_FIELDS:
a('%-12s: %r'%(field, header[field]))
a('%-12s: %r'%(FIELD_NAMES.get(field, field), header[field]))
if self.cncx:
a('*'*10 + ' CNCX ' + '*'*10)