mirror of
https://github.com/PiBrewing/craftbeerpi4.git
synced 2024-12-05 04:55:06 +01:00
254 lines
6.6 KiB
Python
254 lines
6.6 KiB
Python
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magic = (
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b"\x00\x00\x00\x00\x00\x00\x00\x00"
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+ b"\x00\x00\x00\x00\xc2\xea\x81\x60"
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+ b"\xb3\x14\x11\xcf\xbd\x92\x08\x00"
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+ b"\x09\xc7\x31\x8c\x18\x1f\x10\x11"
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)
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align_1_checker_value = b"3"
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align_1_offset = 32
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align_1_length = 1
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align_1_value = 4
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u64_byte_checker_value = b"3"
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align_2_offset = 35
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align_2_length = 1
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align_2_value = 4
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endianness_offset = 37
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endianness_length = 1
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platform_offset = 39
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platform_length = 1
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encoding_offset = 70
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encoding_length = 1
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dataset_offset = 92
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dataset_length = 64
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file_type_offset = 156
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file_type_length = 8
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date_created_offset = 164
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date_created_length = 8
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date_modified_offset = 172
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date_modified_length = 8
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header_size_offset = 196
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header_size_length = 4
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page_size_offset = 200
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page_size_length = 4
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page_count_offset = 204
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page_count_length = 4
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sas_release_offset = 216
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sas_release_length = 8
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sas_server_type_offset = 224
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sas_server_type_length = 16
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os_version_number_offset = 240
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os_version_number_length = 16
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os_maker_offset = 256
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os_maker_length = 16
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os_name_offset = 272
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os_name_length = 16
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page_bit_offset_x86 = 16
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page_bit_offset_x64 = 32
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subheader_pointer_length_x86 = 12
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subheader_pointer_length_x64 = 24
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page_type_offset = 0
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page_type_length = 2
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block_count_offset = 2
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block_count_length = 2
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subheader_count_offset = 4
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subheader_count_length = 2
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page_meta_type = 0
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page_data_type = 256
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page_amd_type = 1024
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page_metc_type = 16384
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page_comp_type = -28672
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page_mix_types = [512, 640]
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subheader_pointers_offset = 8
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truncated_subheader_id = 1
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compressed_subheader_id = 4
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compressed_subheader_type = 1
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text_block_size_length = 2
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row_length_offset_multiplier = 5
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row_count_offset_multiplier = 6
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col_count_p1_multiplier = 9
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col_count_p2_multiplier = 10
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row_count_on_mix_page_offset_multiplier = 15
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column_name_pointer_length = 8
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column_name_text_subheader_offset = 0
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column_name_text_subheader_length = 2
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column_name_offset_offset = 2
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column_name_offset_length = 2
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column_name_length_offset = 4
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column_name_length_length = 2
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column_data_offset_offset = 8
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column_data_length_offset = 8
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column_data_length_length = 4
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column_type_offset = 14
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column_type_length = 1
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column_format_text_subheader_index_offset = 22
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column_format_text_subheader_index_length = 2
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column_format_offset_offset = 24
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column_format_offset_length = 2
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column_format_length_offset = 26
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column_format_length_length = 2
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column_label_text_subheader_index_offset = 28
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column_label_text_subheader_index_length = 2
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column_label_offset_offset = 30
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column_label_offset_length = 2
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column_label_length_offset = 32
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column_label_length_length = 2
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rle_compression = b"SASYZCRL"
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rdc_compression = b"SASYZCR2"
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compression_literals = [rle_compression, rdc_compression]
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# Incomplete list of encodings, using SAS nomenclature:
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# http://support.sas.com/documentation/cdl/en/nlsref/61893/HTML/default/viewer.htm#a002607278.htm
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encoding_names = {
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29: "latin1",
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20: "utf-8",
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33: "cyrillic",
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60: "wlatin2",
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61: "wcyrillic",
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62: "wlatin1",
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90: "ebcdic870",
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}
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class SASIndex:
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row_size_index = 0
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column_size_index = 1
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subheader_counts_index = 2
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column_text_index = 3
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column_name_index = 4
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column_attributes_index = 5
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format_and_label_index = 6
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column_list_index = 7
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data_subheader_index = 8
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subheader_signature_to_index = {
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b"\xF7\xF7\xF7\xF7": SASIndex.row_size_index,
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b"\x00\x00\x00\x00\xF7\xF7\xF7\xF7": SASIndex.row_size_index,
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b"\xF7\xF7\xF7\xF7\x00\x00\x00\x00": SASIndex.row_size_index,
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b"\xF7\xF7\xF7\xF7\xFF\xFF\xFB\xFE": SASIndex.row_size_index,
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b"\xF6\xF6\xF6\xF6": SASIndex.column_size_index,
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b"\x00\x00\x00\x00\xF6\xF6\xF6\xF6": SASIndex.column_size_index,
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b"\xF6\xF6\xF6\xF6\x00\x00\x00\x00": SASIndex.column_size_index,
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b"\xF6\xF6\xF6\xF6\xFF\xFF\xFB\xFE": SASIndex.column_size_index,
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b"\x00\xFC\xFF\xFF": SASIndex.subheader_counts_index,
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b"\xFF\xFF\xFC\x00": SASIndex.subheader_counts_index,
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b"\x00\xFC\xFF\xFF\xFF\xFF\xFF\xFF": SASIndex.subheader_counts_index,
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b"\xFF\xFF\xFF\xFF\xFF\xFF\xFC\x00": SASIndex.subheader_counts_index,
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b"\xFD\xFF\xFF\xFF": SASIndex.column_text_index,
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b"\xFF\xFF\xFF\xFD": SASIndex.column_text_index,
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b"\xFD\xFF\xFF\xFF\xFF\xFF\xFF\xFF": SASIndex.column_text_index,
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b"\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFD": SASIndex.column_text_index,
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b"\xFF\xFF\xFF\xFF": SASIndex.column_name_index,
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b"\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF": SASIndex.column_name_index,
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b"\xFC\xFF\xFF\xFF": SASIndex.column_attributes_index,
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b"\xFF\xFF\xFF\xFC": SASIndex.column_attributes_index,
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b"\xFC\xFF\xFF\xFF\xFF\xFF\xFF\xFF": SASIndex.column_attributes_index,
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b"\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFC": SASIndex.column_attributes_index,
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b"\xFE\xFB\xFF\xFF": SASIndex.format_and_label_index,
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b"\xFF\xFF\xFB\xFE": SASIndex.format_and_label_index,
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b"\xFE\xFB\xFF\xFF\xFF\xFF\xFF\xFF": SASIndex.format_and_label_index,
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b"\xFF\xFF\xFF\xFF\xFF\xFF\xFB\xFE": SASIndex.format_and_label_index,
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b"\xFE\xFF\xFF\xFF": SASIndex.column_list_index,
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b"\xFF\xFF\xFF\xFE": SASIndex.column_list_index,
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b"\xFE\xFF\xFF\xFF\xFF\xFF\xFF\xFF": SASIndex.column_list_index,
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b"\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFE": SASIndex.column_list_index,
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}
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# List of frequently used SAS date and datetime formats
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# http://support.sas.com/documentation/cdl/en/etsug/60372/HTML/default/viewer.htm#etsug_intervals_sect009.htm
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# https://github.com/epam/parso/blob/master/src/main/java/com/epam/parso/impl/SasFileConstants.java
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sas_date_formats = (
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"DATE",
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"DAY",
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"DDMMYY",
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"DOWNAME",
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"JULDAY",
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"JULIAN",
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"MMDDYY",
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"MMYY",
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"MMYYC",
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"MMYYD",
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"MMYYP",
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"MMYYS",
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"MMYYN",
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"MONNAME",
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"MONTH",
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"MONYY",
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"QTR",
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"QTRR",
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"NENGO",
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"WEEKDATE",
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"WEEKDATX",
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"WEEKDAY",
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"WEEKV",
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"WORDDATE",
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"WORDDATX",
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"YEAR",
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"YYMM",
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"YYMMC",
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"YYMMD",
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"YYMMP",
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"YYMMS",
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"YYMMN",
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"YYMON",
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"YYMMDD",
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"YYQ",
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"YYQC",
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"YYQD",
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"YYQP",
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"YYQS",
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"YYQN",
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"YYQR",
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"YYQRC",
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"YYQRD",
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"YYQRP",
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"YYQRS",
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"YYQRN",
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"YYMMDDP",
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"YYMMDDC",
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"E8601DA",
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"YYMMDDN",
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"MMDDYYC",
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"MMDDYYS",
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"MMDDYYD",
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"YYMMDDS",
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"B8601DA",
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"DDMMYYN",
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"YYMMDDD",
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"DDMMYYB",
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"DDMMYYP",
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"MMDDYYP",
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"YYMMDDB",
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"MMDDYYN",
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"DDMMYYC",
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"DDMMYYD",
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"DDMMYYS",
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"MINGUO",
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)
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sas_datetime_formats = (
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"DATETIME",
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"DTWKDATX",
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"B8601DN",
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"B8601DT",
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"B8601DX",
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"B8601DZ",
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"B8601LX",
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"E8601DN",
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"E8601DT",
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"E8601DX",
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"E8601DZ",
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"E8601LX",
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"DATEAMPM",
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"DTDATE",
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"DTMONYY",
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"DTMONYY",
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"DTWKDATX",
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"DTYEAR",
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"TOD",
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"MDYAMPM",
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)
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