254 lines
9.2 KiB
Plaintext
254 lines
9.2 KiB
Plaintext
Unit Rutis_EXT_Files;
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{$ifdef FPC}
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{$mode objfpc}
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{$H+}
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{$endif}
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Interface
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Uses
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Windows, Classes, SysUtils,
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Rutis_Defs, Rutis_Classes, Rutis_Engine;
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Procedure REFiles_CloseFiles;
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Procedure RegisterEXTMethods(Engine : TRutisEngine);
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//==============================================================================
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Implementation
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//==============================================================================
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Type
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PObject = ^TObject;
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PFileStream = ^TFileStream;
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Var
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REFiles_Streams : Array Of TFileStream;
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//==============================================================================
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Procedure REFiles_CloseFiles;
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Var i : Integer;
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Begin
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For i := 0 To high(REFiles_Streams) Do
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REFiles_Streams[i].Free;
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SetLength(REFiles_Streams, 0);
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End;
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//==============================================================================
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//==============================================================================
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Procedure _StreamCreate(Params : PRutisParamInfoArray; Result : PRutisParamInfo);
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Begin
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PPointer(Result^.Data)^ := nil;
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SetLength(REFiles_Streams, length(REFiles_Streams) + 1);
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Try
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REFiles_Streams[high(REFiles_Streams)] := TFileStream.Create(PAnsiString(Params^[0].Data)^, PWord(Params^[1].Data)^); //fmCreate or fmShareDenyWrite
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Except
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REFiles_Streams[high(REFiles_Streams)].Free;
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SetLength(REFiles_Streams, length(REFiles_Streams) - 1);
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exit;
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End;
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PPointer(Result^.Data)^ := REFiles_Streams[high(REFiles_Streams)];
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End;
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Procedure _StreamClose(Params : PRutisParamInfoArray; Result : PRutisParamInfo);
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Var i : Integer;
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Begin
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For i := 0 To high(REFiles_Streams) Do
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If REFiles_Streams[i] = PPointer(Params^[0].Data)^ Then
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Begin
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REFiles_Streams[i].Free;
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REFiles_Streams[i] := REFiles_Streams[high(REFiles_Streams)];
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SetLength(REFiles_Streams, length(REFiles_Streams) - 1);
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exit;
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End;
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End;
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Procedure _StreamGetPosition(Params : PRutisParamInfoArray; Result : PRutisParamInfo);
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Begin
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PCardinal(Result^.Data)^ := 0;
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If PObject(Params^[0].Data)^ = nil Then exit;
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If not (PObject(Params^[0].Data)^ is TFileStream) Then exit;
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PCardinal(Result^.Data)^ := PFileStream(Params^[0].Data)^.Position;
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End;
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Procedure _StreamSetPosition(Params : PRutisParamInfoArray; Result : PRutisParamInfo);
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Begin
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If PObject(Params^[0].Data)^ = nil Then exit;
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If not (PObject(Params^[0].Data)^ is TFileStream) Then exit;
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PFileStream(Params^[0].Data)^.Position := PCardinal(Params^[1].Data)^;
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End;
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Procedure _StreamGetSize(Params : PRutisParamInfoArray; Result : PRutisParamInfo);
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Begin
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PCardinal(Result^.Data)^ := 0;
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If PObject(Params^[0].Data)^ = nil Then exit;
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If not (PObject(Params^[0].Data)^ is TFileStream) Then exit;
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PCardinal(Result^.Data)^ := PFileStream(Params^[0].Data)^.Size;
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End;
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Procedure _StreamSetSize(Params : PRutisParamInfoArray; Result : PRutisParamInfo);
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Begin
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If PObject(Params^[0].Data)^ = nil Then exit;
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If not (PObject(Params^[0].Data)^ is TFileStream) Then exit;
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PFileStream(Params^[0].Data)^.Size := PCardinal(Params^[1].Data)^;
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End;
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//==============================================================================
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Procedure _StreamWriteByte(Params : PRutisParamInfoArray; Result : PRutisParamInfo);
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Begin
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PBoolean(Result^.Data)^ := False;
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If PObject(Params^[0].Data)^ = nil Then exit;
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If not (PObject(Params^[0].Data)^ is TFileStream) Then exit;
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PFileStream(Params^[0].Data)^.Write(PByte(Params^[1].Data)^, 1);
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PBoolean(Result^.Data)^ := True;
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End;
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Procedure _StreamWriteWord(Params : PRutisParamInfoArray; Result : PRutisParamInfo);
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Begin
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PBoolean(Result^.Data)^ := False;
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If PObject(Params^[0].Data)^ = nil Then exit;
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If not (PObject(Params^[0].Data)^ is TFileStream) Then exit;
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PFileStream(Params^[0].Data)^.Write(PWord(Params^[1].Data)^, 2);
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PBoolean(Result^.Data)^ := True;
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End;
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Procedure _StreamWriteDWord(Params : PRutisParamInfoArray; Result : PRutisParamInfo);
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Begin
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PBoolean(Result^.Data)^ := False;
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If PObject(Params^[0].Data)^ = nil Then exit;
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If not (PObject(Params^[0].Data)^ is TFileStream) Then exit;
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PFileStream(Params^[0].Data)^.Write(PCardinal(Params^[1].Data)^, 4);
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PBoolean(Result^.Data)^ := True;
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End;
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Procedure _StreamWriteSingle(Params : PRutisParamInfoArray; Result : PRutisParamInfo);
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Begin
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PBoolean(Result^.Data)^ := False;
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If PObject(Params^[0].Data)^ = nil Then exit;
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If not (PObject(Params^[0].Data)^ is TFileStream) Then exit;
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PFileStream(Params^[0].Data)^.Write(PCardinal(Params^[1].Data)^, 4);
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PBoolean(Result^.Data)^ := True;
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End;
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Procedure _StreamWriteString(Params : PRutisParamInfoArray; Result : PRutisParamInfo);
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Var
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str : Ansistring;
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Begin
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PBoolean(Result^.Data)^ := False;
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If PObject(Params^[0].Data)^ = nil Then exit;
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If not (PObject(Params^[0].Data)^ is TFileStream) Then exit;
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str := PAnsiString(Params^[1].Data)^;
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StreamWriteString(str, PFileStream(Params^[0].Data)^);
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PBoolean(Result^.Data)^ := True;
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End;
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Procedure _StreamWrite(Params : PRutisParamInfoArray; Result : PRutisParamInfo);
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Begin
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PBoolean(Result^.Data)^ := False;
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If PObject(Params^[0].Data)^ = nil Then exit;
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If not (PObject(Params^[0].Data)^ is TFileStream) Then exit;
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PFileStream(Params^[0].Data)^.Write(PPChar(Params^[1].Data)^^, PInteger(Params^[2].Data)^);
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PBoolean(Result^.Data)^ := True;
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End;
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//==============================================================================
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Procedure _StreamReadByte(Params : PRutisParamInfoArray; Result : PRutisParamInfo);
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Begin
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PByte(Result^.Data)^ := 0;
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If PObject(Params^[0].Data)^ = nil Then exit;
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If not (PObject(Params^[0].Data)^ is TFileStream) Then exit;
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PFileStream(Params^[0].Data)^.Read(PByte(Result^.Data)^, 1);
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End;
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Procedure _StreamReadWord(Params : PRutisParamInfoArray; Result : PRutisParamInfo);
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Begin
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PWord(Result^.Data)^ := 0;
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If PObject(Params^[0].Data)^ = nil Then exit;
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If not (PObject(Params^[0].Data)^ is TFileStream) Then exit;
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PFileStream(Params^[0].Data)^.Read(PWord(Result^.Data)^, 2);
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End;
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Procedure _StreamReadDWord(Params : PRutisParamInfoArray; Result : PRutisParamInfo);
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Begin
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PInteger(Result^.Data)^ := 0;
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If PObject(Params^[0].Data)^ = nil Then exit;
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If not (PObject(Params^[0].Data)^ is TFileStream) Then exit;
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PFileStream(Params^[0].Data)^.Read(PInteger(Result^.Data)^, 4);
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End;
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Procedure _StreamReadString(Params : PRutisParamInfoArray; Result : PRutisParamInfo);
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Begin
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PAnsiString(Result^.Data)^ := '';
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If PObject(Params^[0].Data)^ = nil Then exit;
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If not (PObject(Params^[0].Data)^ is TFileStream) Then exit;
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PAnsiString(Result^.Data)^ := StreamReadString(PFileStream(Params^[0].Data)^);
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End;
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Procedure _StreamRead(Params : PRutisParamInfoArray; Result : PRutisParamInfo);
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Begin
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PByte(Result^.Data)^ := 0;
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If PObject(Params^[0].Data)^ = nil Then exit;
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If not (PObject(Params^[0].Data)^ is TFileStream) Then exit;
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PFileStream(Params^[0].Data)^.Read(PPChar(Params^[1].Data)^^, PInteger(Params^[2].Data)^);
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End;
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//==============================================================================
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//==============================================================================
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Procedure RegisterEXTMethods(Engine : TRutisEngine);
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Begin
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Engine.RegExtMethod('StreamCreate',{$IfDef FPC}@{$EndIf}_StreamCreate, ['String', 'Word'], 'Pointer');
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Engine.RegExtMethod('StreamClose',{$IfDef FPC}@{$EndIf}_StreamClose, ['Pointer'], 'Pointer');
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Engine.RegExtMethod('StreamGetPosition',{$IfDef FPC}@{$EndIf}_StreamGetPosition, ['Pointer'], 'Cardinal');
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Engine.RegExtMethod('StreamSetPosition',{$IfDef FPC}@{$EndIf}_StreamSetPosition, ['Pointer', 'Cardinal'], '');
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Engine.RegExtMethod('StreamGetSize',{$IfDef FPC}@{$EndIf}_StreamGetSize, ['Pointer'], 'Cardinal');
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Engine.RegExtMethod('StreamSetSize',{$IfDef FPC}@{$EndIf}_StreamSetSize, ['Pointer', 'Cardinal'], '');
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Engine.RegExtMethod('StreamWriteByte',{$IfDef FPC}@{$EndIf}_StreamWriteByte, ['Pointer', 'Byte'], 'Boolean');
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Engine.RegExtMethod('StreamWriteWord',{$IfDef FPC}@{$EndIf}_StreamWriteWord, ['Pointer', 'Word'], 'Boolean');
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Engine.RegExtMethod('StreamWriteInteger',{$IfDef FPC}@{$EndIf}_StreamWriteDWord, ['Pointer', 'Integer'], 'Boolean');
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Engine.RegExtMethod('StreamWriteCardinal',{$IfDef FPC}@{$EndIf}_StreamWriteDWord, ['Pointer', 'Cardinal'], 'Boolean');
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Engine.RegExtMethod('StreamWriteSingle',{$IfDef FPC}@{$EndIf}_StreamWriteDWord, ['Pointer', 'Single'], 'Boolean');
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Engine.RegExtMethod('StreamWriteString',{$IfDef FPC}@{$EndIf}_StreamWriteString, ['Pointer', 'String'], 'Boolean');
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Engine.RegExtMethod('StreamWrite',{$IfDef FPC}@{$EndIf}_StreamWrite, ['Pointer', 'Pointer', 'Integer'], 'Boolean');
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Engine.RegExtMethod('StreamReadByte',{$IfDef FPC}@{$EndIf}_StreamReadByte, ['Pointer'], 'Byte');
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Engine.RegExtMethod('StreamReadWord',{$IfDef FPC}@{$EndIf}_StreamReadWord, ['Pointer'], 'Word');
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Engine.RegExtMethod('StreamReadInteger',{$IfDef FPC}@{$EndIf}_StreamReadDWord, ['Pointer'], 'Integer');
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Engine.RegExtMethod('StreamReadCardinal',{$IfDef FPC}@{$EndIf}_StreamReadDWord, ['Pointer'], 'Cardinal');
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Engine.RegExtMethod('StreamReadSingle',{$IfDef FPC}@{$EndIf}_StreamReadDWord, ['Pointer'], 'Single');
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Engine.RegExtMethod('StreamReadString',{$IfDef FPC}@{$EndIf}_StreamReadString, ['Pointer'], 'String');
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Engine.RegExtMethod('StreamRead',{$IfDef FPC}@{$EndIf}_StreamRead, ['Pointer', 'Pointer', 'Integer'], 'Boolean');
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End;
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Initialization
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Finalization
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REFiles_CloseFiles;
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End.
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