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Nicer dump headers for joint KF8 files
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Kovid Goyal
parent
6b9fc3d0ab
commit
6d3bd67c93
@ -337,11 +337,12 @@ class MOBIHeader(object): # {{{
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# The following are all relative to the position of the header record
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# make them absolute for ease of debugging
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for x in ('sect_idx', 'skel_idx', 'datp_idx', 'oth_idx',
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self.relative_records = {'sect_idx', 'skel_idx', 'datp_idx', 'oth_idx',
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'meta_orth_indx', 'huffman_record_offset',
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'first_non_book_record', 'datp_record_offset', 'fcis_number',
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'flis_number', 'primary_index_record', 'fdst_idx',
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'first_image_index'):
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'first_image_index'}
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for x in self.relative_records:
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if hasattr(self, x) and getattr(self, x) != NULL_INDEX:
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setattr(self, x, self.header_offset+getattr(self, x))
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@ -355,70 +356,79 @@ class MOBIHeader(object): # {{{
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def __str__(self):
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ans = ['*'*20 + ' MOBI %d Header '%self.file_version+ '*'*20]
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a = ans.append
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i = lambda d, x : a('%s (null value: %d): %d'%(d, NULL_INDEX, x))
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ans.append('Compression: %s'%self.compression)
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ans.append('Unused: %r'%self.unused)
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ans.append('Number of text records: %d'%self.number_of_text_records)
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ans.append('Text record size: %d'%self.text_record_size)
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ans.append('Encryption: %s'%self.encryption_type)
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ans.append('Unknown: %r'%self.unknown)
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ans.append('Identifier: %r'%self.identifier)
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ans.append('Header length: %d'% self.length)
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ans.append('Type: %s'%self.type)
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ans.append('Encoding: %s'%self.encoding)
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ans.append('UID: %r'%self.uid)
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ans.append('File version: %d'%self.file_version)
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i('Meta Orth Index (Sections index in KF8)', self.meta_orth_indx)
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i('Meta Infl Index', self.meta_infl_indx)
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ans.append('Secondary index record: %d (null val: %d)'%(
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self.secondary_index_record, NULL_INDEX))
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ans.append('Reserved: %r'%self.reserved)
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ans.append('First non-book record (null value: %d): %d'%(NULL_INDEX,
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self.first_non_book_record))
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ans.append('Full name offset: %d'%self.fullname_offset)
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ans.append('Full name length: %d bytes'%self.fullname_length)
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ans.append('Langcode: %r'%self.locale_raw)
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ans.append('Language: %s'%self.language)
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ans.append('Sub language: %s'%self.sublanguage)
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ans.append('Input language: %r'%self.input_language)
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ans.append('Output language: %r'%self.output_langauage)
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ans.append('Min version: %d'%self.min_version)
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ans.append('First Image index: %d'%self.first_image_index)
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ans.append('Huffman record offset: %d'%self.huffman_record_offset)
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ans.append('Huffman record count: %d'%self.huffman_record_count)
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ans.append('DATP record offset: %r'%self.datp_record_offset)
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ans.append('DATP record count: %r'%self.datp_record_count)
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ans.append('EXTH flags: %s (%s)'%(bin(self.exth_flags)[2:], self.has_exth))
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def i(d, x):
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x = 'NULL' if x == NULL_INDEX else x
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a('%s: %s'%(d, x))
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def r(d, attr):
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x = getattr(self, attr)
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if attr in self.relative_records and x != NULL_INDEX:
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a('%s: Absolute: %d Relative: %d'%(d, x, x-self.header_offset))
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else:
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i(d, x)
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a('Compression: %s'%self.compression)
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a('Unused: %r'%self.unused)
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a('Number of text records: %d'%self.number_of_text_records)
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a('Text record size: %d'%self.text_record_size)
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a('Encryption: %s'%self.encryption_type)
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a('Unknown: %r'%self.unknown)
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a('Identifier: %r'%self.identifier)
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a('Header length: %d'% self.length)
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a('Type: %s'%self.type)
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a('Encoding: %s'%self.encoding)
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a('UID: %r'%self.uid)
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a('File version: %d'%self.file_version)
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r('Meta Orth Index', 'meta_orth_indx')
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r('Meta Infl Index', 'meta_infl_indx')
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r('Secondary index record', 'secondary_index_record')
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a('Reserved: %r'%self.reserved)
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r('First non-book record', 'first_non_book_record')
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a('Full name offset: %d'%self.fullname_offset)
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a('Full name length: %d bytes'%self.fullname_length)
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a('Langcode: %r'%self.locale_raw)
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a('Language: %s'%self.language)
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a('Sub language: %s'%self.sublanguage)
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a('Input language: %r'%self.input_language)
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a('Output language: %r'%self.output_langauage)
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a('Min version: %d'%self.min_version)
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r('First Image index', 'first_image_index')
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r('Huffman record offset', 'huffman_record_offset')
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a('Huffman record count: %d'%self.huffman_record_count)
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r('DATP record offset', 'datp_record_offset')
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a('DATP record count: %r'%self.datp_record_count)
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a('EXTH flags: %s (%s)'%(bin(self.exth_flags)[2:], self.has_exth))
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if self.has_drm_data:
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ans.append('Unknown3: %r'%self.unknown3)
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ans.append('DRM Offset: %s'%self.drm_offset)
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ans.append('DRM Count: %s'%self.drm_count)
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ans.append('DRM Size: %s'%self.drm_size)
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ans.append('DRM Flags: %r'%self.drm_flags)
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a('Unknown3: %r'%self.unknown3)
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r('DRM Offset', 'drm_offset')
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a('DRM Count: %s'%self.drm_count)
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a('DRM Size: %s'%self.drm_size)
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a('DRM Flags: %r'%self.drm_flags)
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if self.has_extra_data_flags:
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ans.append('Unknown4: %r'%self.unknown4)
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ans.append('FDST Index: %d'% self.fdst_idx)
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ans.append('FDST Count: %d'% self.fdst_count)
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ans.append('FCIS number: %d'% self.fcis_number)
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ans.append('FCIS count: %d'% self.fcis_count)
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ans.append('FLIS number: %d'% self.flis_number)
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ans.append('FLIS count: %d'% self.flis_count)
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ans.append('Unknown6: %r'% self.unknown6)
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ans.append('SRCS record index: %d'%self.srcs_record_index)
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ans.append('Number of SRCS records?: %d'%self.num_srcs_records)
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ans.append('Unknown7: %r'%self.unknown7)
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ans.append(('Extra data flags: %s (has multibyte: %s) '
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a('Unknown4: %r'%self.unknown4)
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r('FDST Index', 'fdst_idx')
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a('FDST Count: %d'% self.fdst_count)
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r('FCIS number', 'fcis_number')
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a('FCIS count: %d'% self.fcis_count)
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r('FLIS number', 'flis_number')
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a('FLIS count: %d'% self.flis_count)
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a('Unknown6: %r'% self.unknown6)
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r('SRCS record index', 'srcs_record_index')
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a('Number of SRCS records?: %d'%self.num_srcs_records)
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a('Unknown7: %r'%self.unknown7)
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a(('Extra data flags: %s (has multibyte: %s) '
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'(has indexing: %s) (has uncrossable breaks: %s)')%(
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bin(self.extra_data_flags), self.has_multibytes,
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self.has_indexing_bytes, self.has_uncrossable_breaks ))
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ans.append('Primary index record (null value: %d): %d'%(NULL_INDEX,
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self.primary_index_record))
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r('NCX index', 'primary_index_record')
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if self.length >= 248:
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i('Sections Index', self.sect_idx)
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i('SKEL Index', self.skel_idx)
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i('DATP Index', self.datp_idx)
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i('Other Index', self.oth_idx)
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r('Sections Index', 'sect_idx')
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r('SKEL Index', 'skel_idx')
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r('DATP Index', 'datp_idx')
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r('Other Index', 'oth_idx')
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if self.unknown9:
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a('Unknown9: %r'%self.unknown9)
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