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libreoffice/basic/source/app/processw.cxx

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2000-09-18 15:18:56 +00:00
/*************************************************************************
*
* $RCSfile: processw.cxx,v $
*
* $Revision: 1.1.1.1 $
*
* last change: $Author: hr $ $Date: 2000-09-18 16:12:09 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef _ERRCODE_HXX //autogen
#include <tools/errcode.hxx>
#endif
#ifndef _SBX_SBXOBJECT_HXX //autogen
#include <svtools/sbxobj.hxx>
#endif
#ifndef _SBXCLASS_HXX //autogen
#include <svtools/sbx.hxx>
#endif
#ifndef __SBX_SBXVARIABLE_HXX //autogen
#include <svtools/sbxvar.hxx>
#endif
//#include <osl/thread.h>
#ifndef _BASIC_TTRESHLP_HXX
#include "ttstrhlp.hxx"
#endif
#include "processw.hxx"
//#include "collelem.hxx"
// Makro MEMBER()
#include "macfix.hxx"
// Der Process hat folgende Elemente:
// 1) Properties:
// Keine
// 2) Methoden:
// SetImage( Filename )
// BOOL Start
// USHORT GetExitCode
// BOOL IsRunning
// BOOL WasGPF
// Diese Implementation ist ein Beispiel fuer eine tabellengesteuerte
// Version, die sehr viele Elemente enthalten kann. Die Elemente werden
// je nach Bedarf aus der Tabelle in das Objekt uebernommen.
// Das nArgs-Feld eines Tabelleneintrags ist wie folgt verschluesselt:
#define _ARGSMASK 0x00FF // Bis zu 255 Argumente
#define _RWMASK 0x0F00 // Maske fuer R/W-Bits
#define _TYPEMASK 0xF000 // Maske fuer den Typ des Eintrags
#define _READ 0x0100 // kann gelesen werden
#define _BWRITE 0x0200 // kann as Lvalue verwendet werden
#define _LVALUE _BWRITE // kann as Lvalue verwendet werden
#define _READWRITE 0x0300 // beides
#define _OPT 0x0400 // TRUE: optionaler Parameter
#define _METHOD 0x1000 // Masken-Bit fuer eine Methode
#define _PROPERTY 0x2000 // Masken-Bit fuer eine Property
#define _COLL 0x4000 // Masken-Bit fuer eine Collection
// Kombination von oberen Bits:
#define _FUNCTION 0x1100 // Maske fuer Function
#define _LFUNCTION 0x1300 // Maske fuer Function, die auch als Lvalue geht
#define _ROPROP 0x2100 // Maske Read Only-Property
#define _WOPROP 0x2200 // Maske Write Only-Property
#define _RWPROP 0x2300 // Maske Read/Write-Property
#define _COLLPROP 0x4100 // Maske Read-Collection-Element
#define COLLNAME "Elements" // Name der Collection, hier mal hart verdrahtet
ProcessWrapper::Methods ProcessWrapper::aProcessMethods[] = {
// Imagedatei des Executables
{ "SetImage", SbxEMPTY, 1 | _FUNCTION, MEMBER(ProcessWrapper::PSetImage) },
// Zwei Named Parameter
{ "Filename",SbxSTRING },
{ "Params",SbxSTRING, _OPT },
// Programm wird gestartet
{ "Start", SbxBOOL, 0 | _FUNCTION, MEMBER(ProcessWrapper::PStart) },
// ExitCode des Programms(nachdem es beendet ist)
{ "GetExitCode", SbxULONG, 0 | _FUNCTION, MEMBER(ProcessWrapper::PGetExitCode) },
// Programm l<>uft noch
{ "IsRunning", SbxBOOL, 0 | _FUNCTION, MEMBER(ProcessWrapper::PIsRunning) },
// Programm mit GPF o.<2E>. abgebrochen
{ "WasGPF", SbxBOOL, 0 | _FUNCTION, MEMBER(ProcessWrapper::PWasGPF) },
{ NULL, SbxNULL, -1 }}; // Tabellenende
// Konstruktor f<>r den Process
ProcessWrapper::ProcessWrapper() : SbxObject( CUniString("Process") )
{
pProcess = new Process();
SetName( CUniString("Process") );
pMethods = &aProcessMethods[0];
}
// Destruktor
ProcessWrapper::~ProcessWrapper()
{
delete pProcess;
}
// Suche nach einem Element:
// Hier wird linear durch die Methodentabelle gegangen, bis eine
// passende Methode gefunden wurde.
// Wenn die Methode/Property nicht gefunden wurde, nur NULL ohne
// Fehlercode zurueckliefern, da so auch eine ganze Chain von
// Objekten nach der Methode/Property befragt werden kann.
SbxVariable* ProcessWrapper::Find( const String& rName, SbxClassType t )
{
// Ist das Element bereits vorhanden?
SbxVariable* pRes = SbxObject::Find( rName, t );
if( !pRes && t != SbxCLASS_OBJECT )
{
// sonst suchen
Methods* p = pMethods;
short nIndex = 0;
BOOL bFound = FALSE;
while( p->nArgs != -1 )
{
if( rName.CompareIgnoreCaseToAscii( p->pName ) == COMPARE_EQUAL )
{
bFound = TRUE; break;
}
nIndex += ( p->nArgs & _ARGSMASK ) + 1;
p = pMethods + nIndex;
}
if( bFound )
{
// Args-Felder isolieren:
short nAccess = ( p->nArgs & _RWMASK ) >> 8;
short nType = ( p->nArgs & _TYPEMASK );
String aName( p->pName, RTL_TEXTENCODING_ASCII_US );
SbxClassType eCT = SbxCLASS_OBJECT;
if( nType & _PROPERTY )
eCT = SbxCLASS_PROPERTY;
else if( nType & _METHOD )
eCT = SbxCLASS_METHOD;
pRes = Make( aName, eCT, p->eType );
// Wir setzen den Array-Index + 1, da ja noch andere
// Standard-Properties existieren, die auch aktiviert
// werden muessen.
pRes->SetUserData( nIndex + 1 );
pRes->SetFlags( nAccess );
}
}
return pRes;
}
// Aktivierung eines Elements oder Anfordern eines Infoblocks
void ProcessWrapper::SFX_NOTIFY( SfxBroadcaster& rBC, const TypeId& rBCT,
const SfxHint& rHint, const TypeId& rHT )
{
const SbxHint* pHint = PTR_CAST(SbxHint,&rHint);
if( pHint )
{
SbxVariable* pVar = pHint->GetVar();
SbxArray* pPar = pVar->GetParameters();
USHORT nIndex = (USHORT) pVar->GetUserData();
// kein Index: weiterreichen!
if( nIndex )
{
ULONG t = pHint->GetId();
if( t == SBX_HINT_INFOWANTED )
pVar->SetInfo( GetInfo( (short) pVar->GetUserData() ) );
else
{
BOOL bWrite = FALSE;
if( t == SBX_HINT_DATACHANGED )
bWrite = TRUE;
if( t == SBX_HINT_DATAWANTED || bWrite )
{
// Parameter-Test fuer Methoden:
USHORT nPar = pMethods[ --nIndex ].nArgs & 0x00FF;
// Element 0 ist der Returnwert
if( ( !pPar && nPar )
|| ( pPar && pPar->Count() < nPar+1 ) )
SetError( SbxERR_WRONG_ARGS );
// Alles klar, man kann den Call ausfuehren
else
{
(this->*(pMethods[ nIndex ].pFunc))( pVar, pPar, bWrite );
}
}
}
}
SbxObject::SFX_NOTIFY( rBC, rBCT, rHint, rHT );
}
}
// Zusammenbau der Infostruktur fuer einzelne Elemente
SbxInfo* ProcessWrapper::GetInfo( short nIdx )
{
Methods* p = &pMethods[ nIdx ];
// Wenn mal eine Hilfedatei zur Verfuegung steht:
// SbxInfo* pInfo = new SbxInfo( Hilfedateiname, p->nHelpId );
SbxInfo* pInfo = new SbxInfo;
short nPar = p->nArgs & _ARGSMASK;
for( short i = 0; i < nPar; i++ )
{
p++;
String aName( p->pName, RTL_TEXTENCODING_ASCII_US );
USHORT nFlags = ( p->nArgs >> 8 ) & 0x03;
if( p->nArgs & _OPT )
nFlags |= SBX_OPTIONAL;
pInfo->AddParam( aName, p->eType, nFlags );
}
return pInfo;
}
////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////
// Properties und Methoden legen beim Get (bPut = FALSE) den Returnwert
// im Element 0 des Argv ab; beim Put (bPut = TRUE) wird der Wert aus
// Element 0 gespeichert.
// Die Methoden:
void ProcessWrapper::PSetImage( SbxVariable* pVar, SbxArray* pPar, BOOL bWrite )
{ // Imagedatei des Executables
if ( pPar->Count() >= 2 )
pProcess->SetImage(pPar->Get( 1 )->GetString(), pPar->Get( 2 )->GetString() );
else
pProcess->SetImage(pPar->Get( 1 )->GetString(), String() );
}
void ProcessWrapper::PStart( SbxVariable* pVar, SbxArray* pPar, BOOL bWrite )
{ // Programm wird gestartet
pVar->PutBool( pProcess->Start() );
}
void ProcessWrapper::PGetExitCode( SbxVariable* pVar, SbxArray* pPar, BOOL bWrite )
{ // ExitCode des Programms(nachdem es beendet ist)
pVar->PutULong( pProcess->GetExitCode() );
}
void ProcessWrapper::PIsRunning( SbxVariable* pVar, SbxArray* pPar, BOOL bWrite )
{ // Programm l<>uft noch
pVar->PutBool( pProcess->IsRunning() );
}
void ProcessWrapper::PWasGPF( SbxVariable* pVar, SbxArray* pPar, BOOL bWrite )
{ // Programm mit GPF o.<2E>. abgebrochen
pVar->PutBool( pProcess->WasGPF() );
}
// Die Factory legt unser Objekte an.
SbxObject* ProcessFactory::CreateObject( const String& rClass )
{
if( rClass.CompareIgnoreCaseToAscii( "Process" ) == COMPARE_EQUAL )
return new ProcessWrapper();
return NULL;
}
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