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Simba/Units/RUTIS/Rutis_EXT_Files.pas
2010-08-20 17:21:43 +02:00

254 lines
9.2 KiB
ObjectPascal

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