Topic Path: Symbol Reference > Types > TIdDecodeTable Type
TIdDecodeTable Type

Array of Byte values used in Decoding values from their 4-byte representation to their 3-byte representation.

TIdDecodeTable = array[1..127] of Byte;

TIdDecodeTable is an Array of Byte values that represents the decoding table used for converting a data in a 4-byte representation to the corresponding 3-byte representation. 

TIdDecodeTable byte values are indexed from 1 to 127. 

TIdDecodeTable is used by TIdDecoder4to3 to determine which characters are valid in the table-based alphabet, and the ordinal value of the character in the alphabet.

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