mirror of
https://github.com/moparisthebest/Simba
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107 lines
2.8 KiB
ObjectPascal
107 lines
2.8 KiB
ObjectPascal
unit virtualextension;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils,settingssandbox;
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type
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{ TVirtualSimbaExtension }
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TVirtualSimbaExtension = class(TObject)
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protected
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FName: String;
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FVersion : string;
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FFilename : string;
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FEnabled : boolean;
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FSettings : TMMLSettingsSandbox;
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procedure SetEnabled(bool : boolean); virtual;
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public
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OnChange : TNotifyEvent;
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{ Must be implemented }
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function HookExists(HookName: String): Boolean; virtual; abstract;
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{ No Custom Arguments just yet... }
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function ExecuteHook(HookName: String; fArgs: Array of Variant; out OutVariant : variant): Integer; virtual; abstract;
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function GetName : string;
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function GetVersion : String;
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property Settings : TMMLSettingsSandbox read FSettings write FSettings;
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property Filename : string read FFilename write FFilename;
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property Enabled : boolean read FEnabled write SetEnabled;
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end;
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{ Each hook has a HookName which the extension uses to identify the hook.
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Additionally, variables are exported. Currently we will use an Array of Variant.
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Therefore, we will have to specify what amount Arguments we will pass.
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( So it is not type safe... Not like Variants are type safe... )
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}
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type TEventHook = record
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HookName: String;
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ArgumentCount: Integer;
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end;
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const
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SExt_ok = 0;
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SExt_error = 1;
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EventHooks: Array [0..7] of TEventHook =
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( (HookName : 'onScriptCompile' ; ArgumentCount : 1),
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(HookName : 'onScriptStart' ; ArgumentCount : 1),
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(HookName : 'onScriptPause' ; ArgumentCount : 1),
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(HookName : 'onScriptStop' ; ArgumentCount : 1),
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(HookName : 'onColourPick' ; ArgumentCount : 3),
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(HookName : 'onOpenFile' ; ArgumentCount : 1),
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(HookName : 'onOpenSocket' ; ArgumentCount : 1),
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(HookName : 'onWriteFile' ; ArgumentCount : 1));
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implementation
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{ TVirtualSimbaExtension }
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procedure TVirtualSimbaExtension.SetEnabled(bool: boolean);
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begin
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if assigned(OnChange) then
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OnChange(self);
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FEnabled:= bool;
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end;
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function TVirtualSimbaExtension.GetName: string;
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var
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OutPut : Variant;
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begin
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Result := '';
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if FName <> '' then
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Result := FName
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else if self.HookExists('GetName') then
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begin;
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if ExecuteHook('GetName',[],OutPut) <> SExt_ok then
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FName := ''
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else
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FName := OutPut;
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result := FName;
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end;
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end;
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function TVirtualSimbaExtension.GetVersion: String;
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var
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OutPut : Variant;
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begin
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Result := '';
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if FVersion <> '' then
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Result := FVersion
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else if self.HookExists('GetVersion') then
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begin;
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if ExecuteHook('GetVersion',[],OutPut) <> SExt_ok then
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FVersion := ''
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else
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FVersion := Output;
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result := FVersion;
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end;
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end;
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end.
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