119 lines
3.9 KiB
ObjectPascal
119 lines
3.9 KiB
ObjectPascal
{********************************************************}
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{ }
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{ Olive BBS }
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{ }
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{ Copyleft (ↄ) 2020 Olive BBS }
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{ }
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{ This file is part of Olive BBS }
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{ }
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{ Olive BBS is free software: you can redistribute it }
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{ and/or modify it under the terms of the GNU General }
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{ Public License as published by the Free Software }
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{ Foundation, either version 3 of the License, or }
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{ (at your option) any later version. }
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{ }
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{ Olive BBS is distributed in the hope that it will }
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{ be useful, but WITHOUT ANY WARRANTY; without even }
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{ the implied warranty of MERCHANTABILITY or FITNESS }
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{ FOR A PARTICULAR PURPOSE. See the GNU General }
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{ Public License for more details. }
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{ }
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{ You should have received a copy of the GNU General }
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{ Public License along with Olive BBS. If not, see }
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{ <http://www.gnu.org/licenses/>. }
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{ }
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{********************************************************}
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{ ___ ___ ___ }
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{ ( ).-. ( ) ( ) }
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{ .--. | |( __)___ ___ .--. | |.-. | |.-. .--. }
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{ / \| |(''"( )( / \| / \| / \ / _ \ }
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{ | .-. | | | | | | | | .-. | .-. | .-. |. .' `. ; }
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{ | | | | | | | | | | | | | | | | | | | || ' | | }
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{ | | | | | | | | | | | |/ | | | | | | |_\_`.(___) }
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{ | | | | | | | | | | | ' _.| | | | | | ( ). '. }
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{ | ' | | | | | ' ' ; | .'.-| ' | | ' | || | `\ | }
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{ ' `-' | | | | \ `' /' `-' ' `-' ;' `-' ; ; '._,' ' }
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{ `.__.(___(___) '_.' `.__.' `.__. `.__. '.___.' }
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{ }
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{********************************************************}
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{$mode objfpc}{$H+}
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{$interfaces corba}
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Unit Olive.Random;
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interface
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uses
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Objects, Classes, SysUtils,
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Olive.Random.RandomInterface,
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{$IF DEFINED(LINUX)}
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Olive.Random.Linux
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{$ELSEIF DEFINED(WINDOWS)}
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Olive.Random.Windows
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{$ELSEIF DEFINED(BSD)}
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Olive.Random.BSD
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{$ELSE}
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Olive.Random.Generic;
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{$ENDIF}
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;
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type
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PRandom = ^TRandom;
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TRandom = class (RandomTrait, RandomInterface)
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private
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FRandomGenerator : RandomInterface;
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procedure SetRandomGenerator(GeneratorClass : RandomInterface);
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public
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constructor Init;
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destructor Destroy; override;
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procedure SetDefaultGenerator;
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function GetBytes(NBytes : SizeUInt) : TBytes;
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function GetString(NBytes : SizeUInt) : AnsiString;
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property RandomGenerator : RandomInterface read FRandomGenerator write SetRandomGenerator;
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end;
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implementation
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constructor TRandom.Init;
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begin
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SetDefaultGenerator;
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end;
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destructor TRandom.Destroy;
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begin
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inherited Destroy;
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end;
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procedure TRandom.SetRandomGenerator(GeneratorClass : RandomInterface);
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begin
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FRandomGenerator := GeneratorClass;
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end;
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procedure TRandom.SetDefaultGenerator;
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begin
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{$IF DEFINED(LINUX)}
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FRandomGenerator := LinuxRandom.Create;
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{$ELSEIF DEFINED(WINDOWS)}
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FRandomGenerator := WindowsRandom.Create;
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{$ELSEIF DEFINED(BSD)}
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FRandomGenerator := BSDRandom.Create;
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{$ELSE}
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FRandomGenerator := RandomGeneric.Create;
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{$ENDIF}
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end;
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function TRandom.GetBytes(NBytes : SizeUInt) : TBytes;
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begin
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SetLength(Result, NBytes);
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Result := FRandomGenerator.GetBytes(NBytes);
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end;
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function TRandom.GetString(NBytes : SizeUInt) : AnsiString;
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begin
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SetLength(Result, NBytes);
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Result := FRandomGenerator.GetString(NBytes);
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end;
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end.
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