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KF8 Output: Fix length entries in the NCX table

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Kovid Goyal 2012-04-25 12:23:09 +05:30
parent b9a426beaf
commit 57d9d53870
1 changed files with 12 additions and 2 deletions
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14
src/calibre/ebooks/mobi/writer8/main.py
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@ -330,6 +330,7 @@ class KF8Writer(object):
entry['index'] = i
id_to_index = {entry['id']:entry['index'] for entry in entries}
# Write the hierarchical and start offset information
for entry in entries:
children = entry.pop('children')
if children:
@ -348,10 +349,19 @@ class KF8Writer(object):
pos, fid = self.aid_offset_map[aid]
chunk = self.chunk_table[pos]
offset = chunk.insert_pos + fid
length = chunk.length
entry['pos_fid'] = (pos, fid)
entry['offset'] = offset
entry['length'] = length
# Write the lengths
def get_next_start(entry):
enders = [e['offset'] for e in entries if e['depth'] <=
entry['depth'] and e['offset'] > entry['offset']]
if enders:
return min(enders)
return len(self.flows[0])
for entry in entries:
entry['length'] = get_next_start(entry) - entry['offset']
self.ncx_records = NCXIndex(entries)()