127 lines
3.3 KiB
ObjectPascal
127 lines
3.3 KiB
ObjectPascal
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{******************************************}
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{ }
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{ FastScript v1.9 }
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{ ADO classes and functions }
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{ }
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{ (c) 2003-2007 by Alexander Tzyganenko, }
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{ Fast Reports Inc }
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{ }
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{******************************************}
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unit fs_iadortti;
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interface
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{$i fs.inc}
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uses
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SysUtils, Classes, fs_iinterpreter, fs_itools, fs_idbrtti,
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DB, ADODB, ADOInt;
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type
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TfsADORTTI = class(TComponent); // fake component
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implementation
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type
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TFunctions = class(TfsRTTIModule)
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private
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function CallMethod(Instance: TObject; ClassType: TClass;
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const MethodName: String; Caller: TfsMethodHelper): Variant;
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function GetProp(Instance: TObject; ClassType: TClass;
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const PropName: String): Variant;
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procedure SetProp(Instance: TObject; ClassType: TClass;
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const PropName: String; Value: Variant);
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public
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constructor Create(AScript: TfsScript); override;
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end;
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{ TFunctions }
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constructor TFunctions.Create(AScript: TfsScript);
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begin
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inherited Create(AScript);
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with AScript do
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begin
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AddType('TDataType', fvtInt);
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AddClass(TADOConnection, 'TComponent');
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AddClass(TParameter, 'TCollectionItem');
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with AddClass(TParameters, 'TCollection') do
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begin
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AddMethod('function AddParameter: TParameter', CallMethod);
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AddDefaultProperty('Items', 'Integer', 'TParameter', CallMethod, True);
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end;
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with AddClass(TCustomADODataSet, 'TDataSet') do
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begin
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AddProperty('Sort', 'WideString', GetProp, SetProp);
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end;
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AddClass(TADOTable, 'TCustomADODataSet');
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with AddClass(TADOQuery, 'TCustomADODataSet') do
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AddMethod('procedure ExecSQL', CallMethod);
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with AddClass(TADOStoredProc, 'TCustomADODataSet') do
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AddMethod('procedure ExecProc', CallMethod);
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end;
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end;
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function TFunctions.CallMethod(Instance: TObject; ClassType: TClass;
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const MethodName: String; Caller: TfsMethodHelper): Variant;
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begin
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Result := 0;
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if ClassType = TParameters then
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begin
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if MethodName = 'ADDPARAMETER' then
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Result := Integer(TParameters(Instance).AddParameter)
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else if MethodName = 'ITEMS.GET' then
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Result := Integer(TParameters(Instance).Items[Caller.Params[0]])
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end
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else if ClassType = TADOQuery then
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begin
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if MethodName = 'EXECSQL' then
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TADOQuery(Instance).ExecSQL
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end
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else if ClassType = TADOStoredProc then
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begin
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if MethodName = 'EXECPROC' then
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TADOStoredProc(Instance).ExecProc
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end
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end;
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function TFunctions.GetProp(Instance: TObject; ClassType: TClass;
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const PropName: String): Variant;
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begin
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Result := 0;
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if ClassType = TCustomADODataSet then
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begin
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if PropName = 'SORT' then
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Result := TCustomADODataSet(Instance).Sort;
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end
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end;
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procedure TFunctions.SetProp(Instance: TObject; ClassType: TClass;
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const PropName: String; Value: Variant);
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begin
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if ClassType = TCustomADODataSet then
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begin
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if PropName = 'SORT' then
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TCustomADODataSet(Instance).Sort := Value;
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end
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end;
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initialization
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fsRTTIModules.Add(TFunctions);
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finalization
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if fsRTTIModules <> nil then
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fsRTTIModules.Remove(TFunctions);
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end.
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