david
ef415fa856
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.FastReport@9 475b051d-3a53-6940-addd-820bf0cfe0d7
474 lines
18 KiB
ObjectPascal
474 lines
18 KiB
ObjectPascal
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{******************************************}
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{ }
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{ FastScript v1.9 }
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{ Classes.pas classes and functions }
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{ }
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{ (c) 2003-2005 by Alexander Tzyganenko, }
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{ Fast Reports Inc }
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{ }
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{******************************************}
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unit fs_iclassesrtti;
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interface
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{$i fs.inc}
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uses SysUtils, Classes, fs_iinterpreter, fs_xml;
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type
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TfsClassesRTTI = 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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AddConst('fmCreate', 'Integer', fmCreate);
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AddConst('fmOpenRead', 'Integer', fmOpenRead);
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AddConst('fmOpenWrite', 'Integer', fmOpenWrite);
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AddConst('fmOpenReadWrite', 'Integer', fmOpenReadWrite);
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AddConst('fmShareExclusive', 'Integer', fmShareExclusive);
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AddConst('fmShareDenyWrite', 'Integer', fmShareDenyWrite);
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AddConst('fmShareDenyNone', 'Integer', fmShareDenyNone);
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AddConst('soFromBeginning', 'Integer', soFromBeginning);
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AddConst('soFromCurrent', 'Integer', soFromCurrent);
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AddConst('soFromEnd', 'Integer', soFromEnd);
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AddEnum('TDuplicates', 'dupIgnore, dupAccept, dupError');
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AddEnum('TPrinterOrientation', 'poPortrait, poLandscape');
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with AddClass(TObject, '') do
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begin
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AddConstructor('constructor Create', CallMethod);
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AddMethod('procedure Free', CallMethod);
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AddMethod('function ClassName: String', CallMethod);
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end;
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with AddClass(TPersistent, 'TObject') do
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AddMethod('procedure Assign(Source: TPersistent)', CallMethod);
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AddClass(TCollectionItem, 'TPersistent');
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with AddClass(TCollection, 'TPersistent') do
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begin
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AddMethod('procedure Clear', CallMethod);
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AddProperty('Count', 'Integer', GetProp, nil);
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AddDefaultProperty('Items', 'Integer', 'TCollectionItem', CallMethod, True);
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end;
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with AddClass(TList, 'TObject') do
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begin
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AddMethod('function Add(Item: TObject): Integer', CallMethod);
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AddMethod('procedure Clear', CallMethod);
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AddMethod('procedure Delete(Index: Integer)', CallMethod);
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AddMethod('function IndexOf(Item: TObject): Integer', CallMethod);
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AddMethod('procedure Insert(Index: Integer; Item: TObject)', CallMethod);
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AddMethod('function Remove(Item: TObject): Integer', CallMethod);
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AddProperty('Count', 'Integer', GetProp, nil);
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AddDefaultProperty('Items', 'Integer', 'TObject', CallMethod);
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end;
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with AddClass(TStrings, 'TPersistent') do
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begin
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AddMethod('function Add(const S: string): Integer', CallMethod);
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AddMethod('function AddObject(const S: string; AObject: TObject): Integer', CallMethod);
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AddMethod('procedure Clear', CallMethod);
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AddMethod('procedure Delete(Index: Integer)', CallMethod);
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AddMethod('function IndexOf(const S: string): Integer', CallMethod);
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AddMethod('function IndexOfName(const Name: string): Integer', CallMethod);
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AddMethod('function IndexOfObject(AObject: TObject): Integer', CallMethod);
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AddMethod('procedure Insert(Index: Integer; const S: string)', CallMethod);
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AddMethod('procedure InsertObject(Index: Integer; const S: string; AObject: TObject)', CallMethod);
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AddMethod('procedure LoadFromFile(const FileName: string)', CallMethod);
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AddMethod('procedure LoadFromStream(Stream: TStream)', CallMethod);
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AddMethod('procedure SaveToFile(const FileName: string)', CallMethod);
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AddMethod('procedure Move(CurIndex, NewIndex: Integer)', CallMethod);
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AddMethod('procedure SaveToStream(Stream: TStream)', CallMethod);
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AddProperty('CommaText', 'string', GetProp, SetProp);
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AddProperty('Count', 'Integer', GetProp, nil);
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AddIndexProperty('Names', 'Integer', 'string', CallMethod, True);
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AddIndexProperty('Objects', 'Integer', 'TObject', CallMethod);
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AddIndexProperty('Values', 'String', 'string', CallMethod);
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AddDefaultProperty('Strings', 'Integer', 'string', CallMethod);
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AddProperty('Text', 'string', GetProp, SetProp);
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end;
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with AddClass(TStringList, 'TStrings') do
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begin
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AddMethod('function Find(s: String; var Index: Integer): Boolean', CallMethod);
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AddMethod('procedure Sort', CallMethod);
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AddProperty('Duplicates', 'TDuplicates', GetProp, SetProp);
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AddProperty('Sorted', 'Boolean', GetProp, SetProp);
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end;
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with AddClass(TStream, 'TObject') do
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begin
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AddMethod('function Read(var Buffer: string; Count: Longint): Longint', CallMethod);
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AddMethod('function Write(Buffer: string; Count: Longint): Longint', CallMethod);
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AddMethod('function Seek(Offset: Longint; Origin: Word): Longint', CallMethod);
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AddMethod('function CopyFrom(Source: TStream; Count: Longint): Longint', CallMethod);
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AddProperty('Position', 'Longint', GetProp, SetProp);
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AddProperty('Size', 'Longint', GetProp, nil);
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end;
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with AddClass(TFileStream, 'TStream') do
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AddConstructor('constructor Create(Filename: String; Mode: Word)', CallMethod);
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with AddClass(TMemoryStream, 'TStream') do
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begin
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AddMethod('procedure Clear', CallMethod);
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AddMethod('procedure LoadFromStream(Stream: TStream)', CallMethod);
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AddMethod('procedure LoadFromFile(Filename: String)', CallMethod);
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AddMethod('procedure SaveToStream(Stream: TStream)', CallMethod);
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AddMethod('procedure SaveToFile(Filename: String)', CallMethod);
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end;
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with AddClass(TComponent, 'TPersistent') do
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begin
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AddConstructor('constructor Create(AOwner: TComponent)', CallMethod);
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AddProperty('Owner', 'TComponent', GetProp, nil);
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end;
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with AddClass(TfsXMLItem, 'TObject') do
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begin
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AddConstructor('constructor Create', CallMethod);
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AddMethod('procedure AddItem(Item: TfsXMLItem)', CallMethod);
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AddMethod('procedure Clear', CallMethod);
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AddMethod('procedure InsertItem(Index: Integer; Item: TfsXMLItem)', CallMethod);
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AddMethod('function Add: TfsXMLItem', CallMethod);
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AddMethod('function Find(const Name: String): Integer', CallMethod);
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AddMethod('function FindItem(const Name: String): TfsXMLItem', CallMethod);
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AddMethod('function Prop(const Name: String): String', CallMethod);
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AddMethod('function Root: TfsXMLItem', CallMethod);
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AddProperty('Data', 'Integer', GetProp, SetProp);
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AddProperty('Count', 'Integer', GetProp, nil);
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AddDefaultProperty('Items', 'Integer', 'TfsXMLItem', CallMethod, True);
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AddProperty('Name', 'String', GetProp, SetProp);
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AddProperty('Parent', 'TfsXMLItem', GetProp, nil);
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AddProperty('Text', 'String', GetProp, SetProp);
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end;
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with AddClass(TfsXMLDocument, 'TObject') do
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begin
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AddConstructor('constructor Create', CallMethod);
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AddMethod('procedure SaveToStream(Stream: TStream)', CallMethod);
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AddMethod('procedure LoadFromStream(Stream: TStream)', CallMethod);
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AddMethod('procedure SaveToFile(const FileName: String)', CallMethod);
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AddMethod('procedure LoadFromFile(const FileName: String)', CallMethod);
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AddProperty('Root', 'TfsXMLItem', GetProp, nil);
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end;
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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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var
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i: Integer;
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s: String;
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_TList: TList;
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_TStrings: TStrings;
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_TStream: TStream;
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_TMemoryStream: TMemoryStream;
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_TfsXMLItem: TfsXMLItem;
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_TfsXMLDocument: TfsXMLDocument;
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begin
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Result := 0;
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if ClassType = TObject then
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begin
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if MethodName = 'CREATE' then
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Result := Integer(Instance.Create)
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else if MethodName = 'FREE' then
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Instance.Free
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else if MethodName = 'CLASSNAME' then
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Result := Instance.ClassName
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end
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else if ClassType = TPersistent then
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begin
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if MethodName = 'ASSIGN' then
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TPersistent(Instance).Assign(TPersistent(Integer(Caller.Params[0])));
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end
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else if ClassType = TCollection then
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begin
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if MethodName = 'CLEAR' then
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TCollection(Instance).Clear
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else if MethodName = 'ITEMS.GET' then
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Result := Integer(TCollection(Instance).Items[Caller.Params[0]])
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end
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else if ClassType = TList then
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begin
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_TList := TList(Instance);
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if MethodName = 'ADD' then
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_TList.Add(Pointer(Integer(Caller.Params[0])))
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else if MethodName = 'CLEAR' then
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_TList.Clear
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else if MethodName = 'DELETE' then
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_TList.Delete(Caller.Params[0])
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else if MethodName = 'INDEXOF' then
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Result := _TList.IndexOf(Pointer(Integer(Caller.Params[0])))
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else if MethodName = 'INSERT' then
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_TList.Insert(Caller.Params[0], Pointer(Integer(Caller.Params[1])))
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else if MethodName = 'REMOVE' then
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_TList.Remove(Pointer(Integer(Caller.Params[0])))
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else if MethodName = 'ITEMS.GET' then
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Result := Integer(_TList.Items[Caller.Params[0]])
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else if MethodName = 'ITEMS.SET' then
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_TList.Items[Caller.Params[0]] := Pointer(Integer(Caller.Params[1]))
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end
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else if ClassType = TStrings then
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begin
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_TStrings := TStrings(Instance);
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if MethodName = 'ADD' then
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Result := _TStrings.Add(Caller.Params[0])
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else if MethodName = 'ADDOBJECT' then
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Result := _TStrings.AddObject(Caller.Params[0], TObject(Integer(Caller.Params[1])))
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else if MethodName = 'CLEAR' then
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_TStrings.Clear
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else if MethodName = 'DELETE' then
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_TStrings.Delete(Caller.Params[0])
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else if MethodName = 'INDEXOF' then
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Result := _TStrings.IndexOf(Caller.Params[0])
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else if MethodName = 'INDEXOFNAME' then
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Result := _TStrings.IndexOfName(Caller.Params[0])
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else if MethodName = 'INDEXOFOBJECT' then
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Result := _TStrings.IndexOfObject(TObject(Integer(Caller.Params[0])))
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else if MethodName = 'INSERT' then
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_TStrings.Insert(Caller.Params[0], Caller.Params[1])
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else if MethodName = 'INSERTOBJECT' then
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_TStrings.InsertObject(Caller.Params[0], Caller.Params[1], TObject(Integer(Caller.Params[2])))
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else if MethodName = 'LOADFROMFILE' then
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_TStrings.LoadFromFile(Caller.Params[0])
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else if MethodName = 'LOADFROMSTREAM' then
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_TStrings.LoadFromStream(TStream(Integer(Caller.Params[0])))
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else if MethodName = 'MOVE' then
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_TStrings.Move(Caller.Params[0], Caller.Params[1])
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else if MethodName = 'SAVETOFILE' then
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_TStrings.SaveToFile(Caller.Params[0])
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else if MethodName = 'SAVETOSTREAM' then
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_TStrings.SaveToStream(TStream(Integer(Caller.Params[0])))
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else if MethodName = 'NAMES.GET' then
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Result := _TStrings.Names[Caller.Params[0]]
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else if MethodName = 'OBJECTS.GET' then
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Result := Integer(_TStrings.Objects[Caller.Params[0]])
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else if MethodName = 'OBJECTS.SET' then
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_TStrings.Objects[Caller.Params[0]] := TObject(Integer(Caller.Params[1]))
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else if MethodName = 'VALUES.GET' then
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Result := _TStrings.Values[Caller.Params[0]]
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else if MethodName = 'VALUES.SET' then
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_TStrings.Values[Caller.Params[0]] := Caller.Params[1]
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else if MethodName = 'STRINGS.GET' then
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Result := _TStrings.Strings[Caller.Params[0]]
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else if MethodName = 'STRINGS.SET' then
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_TStrings.Strings[Caller.Params[0]] := Caller.Params[1]
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end
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else if ClassType = TStringList then
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begin
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if MethodName = 'FIND' then
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begin
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Result := TStringList(Instance).Find(Caller.Params[0], i);
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Caller.Params[1] := i;
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end
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else if MethodName = 'SORT' then
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TStringList(Instance).Sort
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end
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else if ClassType = TStream then
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begin
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_TStream := TStream(Instance);
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if MethodName = 'READ' then
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begin
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SetLength(s, Integer(Caller.Params[1]));
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Result := _TStream.Read(s[1], Caller.Params[1]);
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SetLength(s, Integer(Result));
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Caller.Params[0] := s;
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end
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else if MethodName = 'WRITE' then
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begin
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s := Caller.Params[0];
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Result := _TStream.Write(s[1], Caller.Params[1]);
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end
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else if MethodName = 'SEEK' then
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Result := _TStream.Seek(Caller.Params[0], Caller.Params[1])
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else if MethodName = 'COPYFROM' then
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Result := _TStream.CopyFrom(TStream(Integer(Caller.Params[0])), Caller.Params[1])
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end
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else if ClassType = TFileStream then
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begin
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if MethodName = 'CREATE' then
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Result := Integer(TFileStream(Instance).Create(Caller.Params[0], Caller.Params[1]))
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end
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else if ClassType = TMemoryStream then
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begin
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_TMemoryStream := TMemoryStream(Instance);
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if MethodName = 'CLEAR' then
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_TMemoryStream.Clear
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else if MethodName = 'LOADFROMSTREAM' then
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_TMemoryStream.LoadFromStream(TStream(Integer(Caller.Params[0])))
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else if MethodName = 'LOADFROMFILE' then
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_TMemoryStream.LoadFromFile(Caller.Params[0])
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else if MethodName = 'SAVETOSTREAM' then
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_TMemoryStream.SaveToStream(TStream(Integer(Caller.Params[0])))
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else if MethodName = 'SAVETOFILE' then
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_TMemoryStream.SaveToFile(Caller.Params[0])
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end
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else if ClassType = TComponent then
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begin
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if MethodName = 'CREATE' then
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Result := Integer(TComponent(Instance).Create(TComponent(Integer(Caller.Params[0]))))
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end
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else if ClassType = TfsXMLItem then
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begin
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_TfsXMLItem := TfsXMLItem(Instance);
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if MethodName = 'CREATE' then
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Result := Integer(_TfsXMLItem.Create)
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else if MethodName = 'ADDITEM' then
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_TfsXMLItem.AddItem(TfsXMLItem(Integer(Caller.Params[0])))
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else if MethodName = 'CLEAR' then
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_TfsXMLItem.Clear
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else if MethodName = 'INSERTITEM' then
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_TfsXMLItem.InsertItem(Caller.Params[0], TfsXMLItem(Integer(Caller.Params[1])))
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else if MethodName = 'ADD' then
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Result := Integer(_TfsXMLItem.Add)
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else if MethodName = 'FIND' then
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Result := _TfsXMLItem.Find(Caller.Params[0])
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else if MethodName = 'FINDITEM' then
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Result := Integer(_TfsXMLItem.FindItem(Caller.Params[0]))
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else if MethodName = 'PROP' then
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Result := _TfsXMLItem.Prop[Caller.Params[0]]
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else if MethodName = 'ROOT' then
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Result := Integer(_TfsXMLItem.Root)
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else if MethodName = 'ROOT' then
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Result := Integer(_TfsXMLItem.Root)
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else if MethodName = 'ITEMS.GET' then
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Result := Integer(_TfsXMLItem[Caller.Params[0]])
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end
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else if ClassType = TfsXMLDocument then
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begin
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_TfsXMLDocument := TfsXMLDocument(Instance);
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if MethodName = 'CREATE' then
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Result := Integer(_TfsXMLDocument.Create)
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else if MethodName = 'SAVETOSTREAM' then
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_TfsXMLDocument.SaveToStream(TStream(Integer(Caller.Params[0])))
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else if MethodName = 'LOADFROMSTREAM' then
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_TfsXMLDocument.LoadFromStream(TStream(Integer(Caller.Params[0])))
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else if MethodName = 'SAVETOFILE' then
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_TfsXMLDocument.SaveToFile(Caller.Params[0])
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else if MethodName = 'LOADFROMFILE' then
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_TfsXMLDocument.LoadFromFile(Caller.Params[0])
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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 = TCollection then
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begin
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if PropName = 'COUNT' then
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Result := TCollection(Instance).Count
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end
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else if ClassType = TList then
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begin
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if PropName = 'COUNT' then
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Result := TList(Instance).Count
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end
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else if ClassType = TStrings then
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begin
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if PropName = 'COMMATEXT' then
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Result := TStrings(Instance).CommaText
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else if PropName = 'COUNT' then
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Result := TStrings(Instance).Count
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else if PropName = 'TEXT' then
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Result := TStrings(Instance).Text
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end
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else if ClassType = TStringList then
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begin
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if PropName = 'DUPLICATES' then
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Result := TStringList(Instance).Duplicates
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else if PropName = 'SORTED' then
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Result := TStringList(Instance).Sorted
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end
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else if ClassType = TStream then
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begin
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if PropName = 'POSITION' then
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Result := TStream(Instance).Position
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else if PropName = 'SIZE' then
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Result := TStream(Instance).Size
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end
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else if ClassType = TComponent then
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begin
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if PropName = 'OWNER' then
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Result := Integer(TComponent(Instance).Owner)
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end
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else if ClassType = TfsXMLItem then
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begin
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if PropName = 'DATA' then
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Result := Integer(TfsXMLItem(Instance).Data)
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else if PropName = 'COUNT' then
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Result := TfsXMLItem(Instance).Count
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else if PropName = 'NAME' then
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Result := TfsXMLItem(Instance).Name
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else if PropName = 'PARENT' then
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Result := Integer(TfsXMLItem(Instance).Parent)
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else if PropName = 'TEXT' then
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Result := TfsXMLItem(Instance).Text
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end
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else if ClassType = TfsXMLDocument then
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begin
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if PropName = 'ROOT' then
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Result := Integer(TfsXMLDocument(Instance).Root)
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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 = TStrings then
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begin
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if PropName = 'COMMATEXT' then
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TStrings(Instance).CommaText := Value
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else if PropName = 'TEXT' then
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TStrings(Instance).Text := Value
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end
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else if ClassType = TStringList then
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begin
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if PropName = 'DUPLICATES' then
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TStringList(Instance).Duplicates := Value
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else if PropName = 'SORTED' then
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TStringList(Instance).Sorted := Value
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end
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else if ClassType = TStream then
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begin
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if PropName = 'POSITION' then
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TStream(Instance).Position := Value
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end
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else if ClassType = TfsXMLItem then
|
|
begin
|
|
if PropName = 'DATA' then
|
|
TfsXMLItem(Instance).Data := Pointer(Integer(Value))
|
|
else if PropName = 'NAME' then
|
|
TfsXMLItem(Instance).Name := Value
|
|
else if PropName = 'TEXT' then
|
|
TfsXMLItem(Instance).Text := Value
|
|
end
|
|
end;
|
|
|
|
|
|
initialization
|
|
fsRTTIModules.Add(TFunctions);
|
|
|
|
finalization
|
|
fsRTTIModules.Remove(TFunctions);
|
|
|
|
end.
|