import DecoderResult from '../../common/DecoderResult';
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import PDF417ResultMetadata from '../PDF417ResultMetadata';
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import { int } from '../../../customTypings';
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/**
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* <p>This class contains the methods for decoding the PDF417 codewords.</p>
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*
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* @author SITA Lab (kevin.osullivan@sita.aero)
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* @author Guenther Grau
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*/
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export default class DecodedBitStreamParser {
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private static TEXT_COMPACTION_MODE_LATCH;
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private static BYTE_COMPACTION_MODE_LATCH;
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private static NUMERIC_COMPACTION_MODE_LATCH;
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private static BYTE_COMPACTION_MODE_LATCH_6;
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private static ECI_USER_DEFINED;
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private static ECI_GENERAL_PURPOSE;
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private static ECI_CHARSET;
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private static BEGIN_MACRO_PDF417_CONTROL_BLOCK;
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private static BEGIN_MACRO_PDF417_OPTIONAL_FIELD;
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private static MACRO_PDF417_TERMINATOR;
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private static MODE_SHIFT_TO_BYTE_COMPACTION_MODE;
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private static MAX_NUMERIC_CODEWORDS;
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private static MACRO_PDF417_OPTIONAL_FIELD_FILE_NAME;
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private static MACRO_PDF417_OPTIONAL_FIELD_SEGMENT_COUNT;
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private static MACRO_PDF417_OPTIONAL_FIELD_TIME_STAMP;
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private static MACRO_PDF417_OPTIONAL_FIELD_SENDER;
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private static MACRO_PDF417_OPTIONAL_FIELD_ADDRESSEE;
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private static MACRO_PDF417_OPTIONAL_FIELD_FILE_SIZE;
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private static MACRO_PDF417_OPTIONAL_FIELD_CHECKSUM;
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private static PL;
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private static LL;
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private static AS;
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private static ML;
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private static AL;
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private static PS;
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private static PAL;
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private static PUNCT_CHARS;
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private static MIXED_CHARS;
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/**
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* Table containing values for the exponent of 900.
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* This is used in the numeric compaction decode algorithm.
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*/
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private static EXP900;
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private static NUMBER_OF_SEQUENCE_CODEWORDS;
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/**
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*
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* @param codewords
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* @param ecLevel
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*
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* @throws FormatException
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*/
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static decode(codewords: Int32Array, ecLevel: string): DecoderResult;
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/**
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*
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* @param int
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* @param param1
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* @param codewords
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* @param int
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* @param codeIndex
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* @param PDF417ResultMetadata
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* @param resultMetadata
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*
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* @throws FormatException
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*/
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static decodeMacroBlock(codewords: Int32Array, codeIndex: int, resultMetadata: PDF417ResultMetadata): int;
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/**
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* Text Compaction mode (see 5.4.1.5) permits all printable ASCII characters to be
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* encoded, i.e. values 32 - 126 inclusive in accordance with ISO/IEC 646 (IRV), as
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* well as selected control characters.
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*
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* @param codewords The array of codewords (data + error)
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* @param codeIndex The current index into the codeword array.
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* @param result The decoded data is appended to the result.
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* @return The next index into the codeword array.
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*/
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private static textCompaction;
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/**
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* The Text Compaction mode includes all the printable ASCII characters
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* (i.e. values from 32 to 126) and three ASCII control characters: HT or tab
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* (9: e), LF or line feed (10: e), and CR or carriage
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* return (13: e). The Text Compaction mode also includes various latch
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* and shift characters which are used exclusively within the mode. The Text
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* Compaction mode encodes up to 2 characters per codeword. The compaction rules
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* for converting data into PDF417 codewords are defined in 5.4.2.2. The sub-mode
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* switches are defined in 5.4.2.3.
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*
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* @param textCompactionData The text compaction data.
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* @param byteCompactionData The byte compaction data if there
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* was a mode shift.
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* @param length The size of the text compaction and byte compaction data.
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* @param result The decoded data is appended to the result.
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*/
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private static decodeTextCompaction;
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/**
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* Byte Compaction mode (see 5.4.3) permits all 256 possible 8-bit byte values to be encoded.
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* This includes all ASCII characters value 0 to 127 inclusive and provides for international
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* character set support.
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*
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* @param mode The byte compaction mode i.e. 901 or 924
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* @param codewords The array of codewords (data + error)
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* @param encoding Currently active character encoding
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* @param codeIndex The current index into the codeword array.
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* @param result The decoded data is appended to the result.
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* @return The next index into the codeword array.
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*/
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private static byteCompaction;
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/**
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* Numeric Compaction mode (see 5.4.4) permits efficient encoding of numeric data strings.
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*
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* @param codewords The array of codewords (data + error)
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* @param codeIndex The current index into the codeword array.
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* @param result The decoded data is appended to the result.
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* @return The next index into the codeword array.
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*
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* @throws FormatException
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*/
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private static numericCompaction;
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/**
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* Convert a list of Numeric Compacted codewords from Base 900 to Base 10.
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*
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* @param codewords The array of codewords
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* @param count The number of codewords
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* @return The decoded string representing the Numeric data.
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*
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* EXAMPLE
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* Encode the fifteen digit numeric string 000213298174000
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* Prefix the numeric string with a 1 and set the initial value of
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* t = 1 000 213 298 174 000
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* Calculate codeword 0
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* d0 = 1 000 213 298 174 000 mod 900 = 200
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*
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* t = 1 000 213 298 174 000 div 900 = 1 111 348 109 082
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* Calculate codeword 1
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* d1 = 1 111 348 109 082 mod 900 = 282
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*
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* t = 1 111 348 109 082 div 900 = 1 234 831 232
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* Calculate codeword 2
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* d2 = 1 234 831 232 mod 900 = 632
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*
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* t = 1 234 831 232 div 900 = 1 372 034
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* Calculate codeword 3
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* d3 = 1 372 034 mod 900 = 434
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*
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* t = 1 372 034 div 900 = 1 524
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* Calculate codeword 4
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* d4 = 1 524 mod 900 = 624
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*
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* t = 1 524 div 900 = 1
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* Calculate codeword 5
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* d5 = 1 mod 900 = 1
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* t = 1 div 900 = 0
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* Codeword sequence is: 1, 624, 434, 632, 282, 200
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*
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* Decode the above codewords involves
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* 1 x 900 power of 5 + 624 x 900 power of 4 + 434 x 900 power of 3 +
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* 632 x 900 power of 2 + 282 x 900 power of 1 + 200 x 900 power of 0 = 1000213298174000
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*
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* Remove leading 1 => Result is 000213298174000
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*
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* @throws FormatException
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*/
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private static decodeBase900toBase10;
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}
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