Unit EOLib.Data

Description

Uses

Classes, Interfaces, Objects and Records

Functions and Procedures

Types

Constants

Variables

Description

Utilities to read and write EO data types.

Overview

Classes, Interfaces, Objects and Records

Name	Description
Class `TEoReader`	A class for reading EO data from a sequence of bytes.
Class `TEoWriter`	A class for writing EO data to a sequence of bytes.

Functions and Procedures

function EncodeNumber(Number: Cardinal): TArray<Byte>;

function DecodeNumber(Bytes: TArray<Byte>): Cardinal;

procedure EncodeString(var Bytes: TArray<Byte>);

procedure DecodeString(var Bytes: TArray<Byte>);

Constants

EoCharMax = 253;

EoShortMax = EoCharMax * EoCharMax;

EoThreeMax = EoCharMax * EoCharMax * EoCharMax;

EoIntMax = Int64(EoCharMax) * EoCharMax * EoCharMax * EoCharMax;

Description

Functions and Procedures

function EncodeNumber(Number: Cardinal): TArray<Byte>;

Encodes a number to a sequence of bytes.

Parameters

Bytes: The sequence of bytes to encode

Returns

The encoded sequence of bytes

function DecodeNumber(Bytes: TArray<Byte>): Cardinal;

Decodes a number from a sequence of bytes.

Parameters

Bytes: The sequence of bytes to decode

Returns

The decoded number

procedure EncodeString(var Bytes: TArray<Byte>);

Encodes a string by inverting the bytes and then reversing them.

This is an in-place operation.

Parameters

Bytes: The byte array to encode

procedure DecodeString(var Bytes: TArray<Byte>);

Decodes a string by reversing the bytes and then inverting them.

This is an in-place operation.

Parameters

Bytes: The byte array to decode

Constants

EoCharMax = 253;

The maximum value of an EO char (1-byte encoded integer type).

EoShortMax = EoCharMax * EoCharMax;

The maximum value of an EO short (2-byte encoded integer type).

EoThreeMax = EoCharMax * EoCharMax * EoCharMax;

The maximum value of an EO three (3-byte encoded integer type).

EoIntMax = Int64(EoCharMax) * EoCharMax * EoCharMax * EoCharMax;

The maximum value of an EO int (4-byte encoded integer type).

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