def read_index(sections, idx, codec):
table, cncx = OrderedDict(), CNCX([], codec)
data = sections[idx].raw
indx_header = parse_indx_header(data)
indx_count = indx_header['count']
if indx_header['ncncx'] > 0:
off = idx + indx_count + 1
cncx_records = [x.raw for x in sections[off:off+indx_header['ncncx']]]
cncx = CNCX(cncx_records, codec)
tag_section_start = indx_header['tagx']
control_byte_count, tags = parse_tagx_section(data[tag_section_start:])
read_variable_len_data(data, indx_header)
index_headers = []
for i in range(idx + 1, idx + 1 + indx_count):
# Index record
data = sections[i].raw
index_headers.append(parse_index_record(table, data, control_byte_count, tags, codec,
indx_header['ordt_map'], strict=True))
read_variable_len_data(data, index_headers[-1])
return table, cncx, indx_header, index_headers
def read_index(sections, idx, codec):
table, cncx = OrderedDict(), CNCX([], codec)
data = sections[idx].raw
indx_header = parse_indx_header(data)
indx_count = indx_header['count']
if indx_header['ncncx'] > 0:
off = idx + indx_count + 1
cncx_records = [x.raw for x in sections[off:off+indx_header['ncncx']]]
cncx = CNCX(cncx_records, codec)
tag_section_start = indx_header['tagx']
control_byte_count, tags = parse_tagx_section(data[tag_section_start:])
read_variable_len_data(data, indx_header)
index_headers = []
for i in range(idx + 1, idx + 1 + indx_count):
# Index record
data = sections[i].raw
index_headers.append(parse_index_record(table, data, control_byte_count, tags, codec,
indx_header['ordt_map'], strict=True))
read_variable_len_data(data, index_headers[-1])
return table, cncx, indx_header, index_headers