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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
#include "basscript.hxx"
#include <vcl/svapp.hxx>
#include <basic/sbx.hxx>
#include <basic/sbmod.hxx>
#include <basic/sbmeth.hxx>
#include <basic/sbuno.hxx>
#include <basic/basmgr.hxx>
#include <com/sun/star/script/provider/ScriptFrameworkErrorException.hpp>
#include <com/sun/star/script/provider/ScriptFrameworkErrorType.hpp>
#include <bcholder.hxx>
#include <comphelper/propertycontainer.hxx>
#include <com/sun/star/beans/PropertyAttribute.hpp>
#include <map>
using namespace ::com::sun::star;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::script;
using namespace ::com::sun::star::document;
using namespace ::com::sun::star::beans;
namespace basprov
{
#define BASSCRIPT_PROPERTY_ID_CALLER 1
constexpr OUStringLiteral BASSCRIPT_PROPERTY_CALLER = u"Caller";
#define BASSCRIPT_DEFAULT_ATTRIBS() PropertyAttribute::BOUND | PropertyAttribute::TRANSIENT
typedef ::std::map< sal_Int16, Any > OutParamMap;
// BasicScriptImpl
BasicScriptImpl::BasicScriptImpl( const OUString& funcName, SbMethodRef const & xMethod )
: ::scripting_helper::OBroadcastHelperHolder( m_aMutex )
,OPropertyContainer( GetBroadcastHelper() )
,m_xMethod( xMethod )
,m_funcName( funcName )
,m_documentBasicManager( nullptr )
,m_xDocumentScriptContext()
{
registerProperty( BASSCRIPT_PROPERTY_CALLER, BASSCRIPT_PROPERTY_ID_CALLER, BASSCRIPT_DEFAULT_ATTRIBS(), &m_caller, cppu::UnoType<decltype(m_caller)>::get() );
}
BasicScriptImpl::BasicScriptImpl( const OUString& funcName, SbMethodRef const & xMethod,
BasicManager& documentBasicManager, const Reference< XScriptInvocationContext >& documentScriptContext ) : ::scripting_helper::OBroadcastHelperHolder( m_aMutex )
,OPropertyContainer( GetBroadcastHelper() )
,m_xMethod( xMethod )
,m_funcName( funcName )
,m_documentBasicManager( &documentBasicManager )
,m_xDocumentScriptContext( documentScriptContext )
{
StartListening( *m_documentBasicManager );
registerProperty( BASSCRIPT_PROPERTY_CALLER, BASSCRIPT_PROPERTY_ID_CALLER, BASSCRIPT_DEFAULT_ATTRIBS(), &m_caller, cppu::UnoType<decltype(m_caller)>::get() );
}
BasicScriptImpl::~BasicScriptImpl()
{
SolarMutexGuard g;
if ( m_documentBasicManager )
EndListening( *m_documentBasicManager );
}
// SfxListener
void BasicScriptImpl::Notify( SfxBroadcaster& rBC, const SfxHint& rHint )
{
if ( &rBC != m_documentBasicManager )
{
OSL_ENSURE( false, "BasicScriptImpl::Notify: where does this come from?" );
// not interested in
return;
}
if ( rHint.GetId() == SfxHintId::Dying )
{
m_documentBasicManager = nullptr;
EndListening( rBC ); // prevent multiple notifications
}
}
// XInterface
IMPLEMENT_FORWARD_XINTERFACE2( BasicScriptImpl, BasicScriptImpl_BASE, OPropertyContainer )
// XTypeProvider
IMPLEMENT_FORWARD_XTYPEPROVIDER2( BasicScriptImpl, BasicScriptImpl_BASE, OPropertyContainer )
// OPropertySetHelper
::cppu::IPropertyArrayHelper& BasicScriptImpl::getInfoHelper( )
{
return *getArrayHelper();
}
// OPropertyArrayUsageHelper
::cppu::IPropertyArrayHelper* BasicScriptImpl::createArrayHelper( ) const
{
Sequence< Property > aProps;
describeProperties( aProps );
return new ::cppu::OPropertyArrayHelper( aProps );
}
// XPropertySet
Reference< XPropertySetInfo > BasicScriptImpl::getPropertySetInfo( )
{
Reference< XPropertySetInfo > xInfo( createPropertySetInfo( getInfoHelper() ) );
return xInfo;
}
// XScript
Any BasicScriptImpl::invoke( const Sequence< Any >& aParams, Sequence< sal_Int16 >& aOutParamIndex, Sequence< Any >& aOutParam )
{
// TODO: throw CannotConvertException
// TODO: check length of aOutParamIndex, aOutParam
SolarMutexGuard aGuard;
Any aReturn;
if ( m_xMethod.is() )
{
// check if compiled
SbModule* pModule = static_cast< SbModule* >( m_xMethod->GetParent() );
if ( pModule && !pModule->IsCompiled() )
pModule->Compile();
// check number of parameters
sal_Int32 nParamsCount = aParams.getLength();
SbxInfo* pInfo = m_xMethod->GetInfo();
if ( pInfo )
{
sal_Int32 nSbxOptional = 0;
sal_uInt16 n = 1;
for ( const SbxParamInfo* pParamInfo = pInfo->GetParam( n ); pParamInfo; pParamInfo = pInfo->GetParam( ++n ) )
{
if ( pParamInfo->nFlags & SbxFlagBits::Optional )
++nSbxOptional;
else
nSbxOptional = 0;
}
sal_Int32 nSbxCount = n - 1;
if ( nParamsCount < nSbxCount - nSbxOptional )
{
throw provider::ScriptFrameworkErrorException(
"wrong number of parameters!",
Reference< XInterface >(),
m_funcName,
"Basic",
provider::ScriptFrameworkErrorType::NO_SUCH_SCRIPT );
}
}
// set parameters
SbxArrayRef xSbxParams;
if ( nParamsCount > 0 )
{
xSbxParams = new SbxArray;
const Any* pParams = aParams.getConstArray();
for ( sal_Int32 i = 0; i < nParamsCount; ++i )
{
SbxVariableRef xSbxVar = new SbxVariable( SbxVARIANT );
unoToSbxValue( xSbxVar.get(), pParams[i] );
xSbxParams->Put(xSbxVar.get(), static_cast<sal_uInt32>(i) + 1);
if (pInfo)
{
if (auto* p = pInfo->GetParam(static_cast<sal_uInt16>(i) + 1))
{
SbxDataType t = static_cast<SbxDataType>(p->eType & 0x0FFF);
// tdf#133889 Revert the downcasting performed in sbxToUnoValueImpl
// to allow passing by reference.
SbxDataType a = xSbxVar->GetType();
if (t == SbxSINGLE && (a == SbxINTEGER || a == SbxLONG))
{
sal_Int32 val = xSbxVar->GetLong();
if (val >= -16777216 && val <= 16777215)
xSbxVar->SetType(t);
}
else if (t == SbxDOUBLE && (a == SbxINTEGER || a == SbxLONG))
xSbxVar->SetType(t);
else if (t == SbxLONG && a == SbxINTEGER)
xSbxVar->SetType(t);
else if (t == SbxULONG && a == SbxUSHORT)
xSbxVar->SetType(t);
// Enable passing by ref
if (t != SbxVARIANT)
xSbxVar->SetFlag(SbxFlagBits::Fixed);
}
}
}
}
if ( xSbxParams.is() )
m_xMethod->SetParameters( xSbxParams.get() );
// call method
SbxVariableRef xReturn = new SbxVariable;
ErrCode nErr = ERRCODE_NONE;
// if it's a document-based script, temporarily reset ThisComponent to the script invocation context
Any aOldThisComponent;
if ( m_documentBasicManager && m_xDocumentScriptContext.is() )
m_documentBasicManager->SetGlobalUNOConstant( "ThisComponent", Any( m_xDocumentScriptContext ), &aOldThisComponent );
if ( m_caller.hasElements() && m_caller[ 0 ].hasValue() )
{
SbxVariableRef xCallerVar = new SbxVariable( SbxVARIANT );
unoToSbxValue( xCallerVar.get(), m_caller[ 0 ] );
nErr = m_xMethod->Call( xReturn.get(), xCallerVar.get() );
}
else
nErr = m_xMethod->Call( xReturn.get() );
if ( m_documentBasicManager && m_xDocumentScriptContext.is() )
m_documentBasicManager->SetGlobalUNOConstant( "ThisComponent", aOldThisComponent );
if ( nErr != ERRCODE_NONE )
{
// TODO: throw InvocationTargetException ?
}
// get output parameters
if ( xSbxParams.is() )
{
SbxInfo* pInfo_ = m_xMethod->GetInfo();
if ( pInfo_ )
{
OutParamMap aOutParamMap;
for (sal_uInt32 n = 1, nCount = xSbxParams->Count(); n < nCount; ++n)
{
assert(nCount <= std::numeric_limits<sal_uInt16>::max());
const SbxParamInfo* pParamInfo = pInfo_->GetParam( sal::static_int_cast<sal_uInt16>(n) );
if ( pParamInfo && ( pParamInfo->eType & SbxBYREF ) != 0 )
{
SbxVariable* pVar = xSbxParams->Get(n);
if ( pVar )
{
SbxVariableRef xVar = pVar;
aOutParamMap.emplace( n - 1, sbxToUnoValue( xVar.get() ) );
}
}
}
sal_Int32 nOutParamCount = aOutParamMap.size();
aOutParamIndex.realloc( nOutParamCount );
aOutParam.realloc( nOutParamCount );
sal_Int16* pOutParamIndex = aOutParamIndex.getArray();
Any* pOutParam = aOutParam.getArray();
for ( const auto& rEntry : aOutParamMap )
{
*pOutParamIndex = rEntry.first;
++pOutParamIndex;
*pOutParam = rEntry.second;
++pOutParam;
}
}
}
// get return value
aReturn = sbxToUnoValue( xReturn.get() );
// reset parameters
m_xMethod->SetParameters( nullptr );
}
return aReturn;
}
} // namespace basprov
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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