Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 576 insertions, 0 deletions

diff --git a/basic/source/sbx/sbxarray.cxx b/basic/source/sbx/sbxarray.cxx
new file mode 100644
index 000000000..ec95e5e10
--- /dev/null
+++ b/basic/source/sbx/sbxarray.cxx
@@ -0,0 +1,576 @@
+/* -*- 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 <config_features.h>
+#include <o3tl/safeint.hxx>
+#include <tools/debug.hxx>
+#include <tools/stream.hxx>
+#include <basic/sbx.hxx>
+#include <runtime.hxx>
+
+#include <cstddef>
+#include <optional>
+
+struct SbxVarEntry
+{
+    SbxVariableRef mpVar;
+    std::optional<OUString> maAlias;
+};
+
+
+//  SbxArray
+
+SbxArray::SbxArray( SbxDataType t )
+{
+    eType = t;
+    if( t != SbxVARIANT )
+        SetFlag( SbxFlagBits::Fixed );
+}
+
+SbxArray& SbxArray::operator=( const SbxArray& rArray )
+{
+    if( &rArray != this )
+    {
+        eType = rArray.eType;
+        Clear();
+        for( const auto& rpSrcRef : rArray.mVarEntries )
+        {
+            SbxVariableRef pSrc_ = rpSrcRef.mpVar;
+            if( !pSrc_.is() )
+                continue;
+
+            if( eType != SbxVARIANT )
+            {
+                // Convert no objects
+                if( eType != SbxOBJECT || pSrc_->GetClass() != SbxClassType::Object )
+                {
+                    pSrc_->Convert(eType);
+                }
+            }
+            mVarEntries.push_back( rpSrcRef );
+        }
+    }
+    return *this;
+}
+
+SbxArray::~SbxArray()
+{
+}
+
+SbxDataType SbxArray::GetType() const
+{
+    return static_cast<SbxDataType>( eType | SbxARRAY );
+}
+
+void SbxArray::Clear()
+{
+    mVarEntries.clear();
+}
+
+sal_uInt32 SbxArray::Count() const
+{
+    return mVarEntries.size();
+}
+
+SbxVariableRef& SbxArray::GetRef( sal_uInt32 nIdx )
+{
+    // If necessary extend the array
+    DBG_ASSERT( nIdx <= SBX_MAXINDEX32, "SBX: Array-Index > SBX_MAXINDEX32" );
+    // Very Hot Fix
+    if( nIdx > SBX_MAXINDEX32 )
+    {
+        SetError( ERRCODE_BASIC_OUT_OF_RANGE );
+        nIdx = 0;
+    }
+    if ( mVarEntries.size() <= nIdx )
+        mVarEntries.resize(nIdx+1);
+
+    return mVarEntries[nIdx].mpVar;
+}
+
+SbxVariable* SbxArray::Get( sal_uInt32 nIdx )
+{
+    if( !CanRead() )
+    {
+        SetError( ERRCODE_BASIC_PROP_WRITEONLY );
+        return nullptr;
+    }
+    SbxVariableRef& rRef = GetRef( nIdx );
+
+    if ( !rRef.is() )
+        rRef = new SbxVariable( eType );
+
+    return rRef.get();
+}
+
+void SbxArray::Put( SbxVariable* pVar, sal_uInt32 nIdx )
+{
+    if( !CanWrite() )
+        SetError( ERRCODE_BASIC_PROP_READONLY );
+    else
+    {
+        if( pVar )
+            if( eType != SbxVARIANT )
+                // Convert no objects
+                if( eType != SbxOBJECT || pVar->GetClass() != SbxClassType::Object )
+                    pVar->Convert( eType );
+        SbxVariableRef& rRef = GetRef( nIdx );
+        // tdf#122250. It is possible that I hold the last reference to myself, so check, otherwise I might
+        // call SetFlag on myself after I have died.
+        bool removingMyself = rRef && rRef->GetParameters() == this && GetRefCount() == 1;
+        if( rRef.get() != pVar )
+        {
+            rRef = pVar;
+            if (!removingMyself)
+                SetFlag( SbxFlagBits::Modified );
+        }
+    }
+}
+
+OUString SbxArray::GetAlias( sal_uInt32 nIdx )
+{
+    if( !CanRead() )
+    {
+        SetError( ERRCODE_BASIC_PROP_WRITEONLY );
+        return OUString();
+    }
+    SbxVarEntry& rRef = reinterpret_cast<SbxVarEntry&>(GetRef( nIdx ));
+
+    if (!rRef.maAlias)
+        return OUString();
+
+    return *rRef.maAlias;
+}
+
+void SbxArray::PutAlias( const OUString& rAlias, sal_uInt32 nIdx )
+{
+    if( !CanWrite() )
+    {
+        SetError( ERRCODE_BASIC_PROP_READONLY );
+    }
+    else
+    {
+        SbxVarEntry& rRef = reinterpret_cast<SbxVarEntry&>( GetRef( nIdx ) );
+        rRef.maAlias = rAlias;
+    }
+}
+
+void SbxArray::Insert( SbxVariable* pVar, sal_uInt32 nIdx )
+{
+    DBG_ASSERT( mVarEntries.size() <= SBX_MAXINDEX32, "SBX: Array gets too big" );
+    if( mVarEntries.size() > SBX_MAXINDEX32 )
+    {
+            return;
+    }
+    SbxVarEntry p;
+    p.mpVar = pVar;
+    size_t nSize = mVarEntries.size();
+    if( nIdx > nSize )
+    {
+        nIdx = nSize;
+    }
+    if( eType != SbxVARIANT && pVar )
+    {
+        p.mpVar->Convert(eType);
+    }
+    if( nIdx == nSize )
+    {
+        mVarEntries.push_back( p );
+    }
+    else
+    {
+        mVarEntries.insert( mVarEntries.begin() + nIdx, p );
+    }
+    SetFlag( SbxFlagBits::Modified );
+}
+
+void SbxArray::Remove( sal_uInt32 nIdx )
+{
+    if( nIdx < mVarEntries.size() )
+    {
+        mVarEntries.erase( mVarEntries.begin() + nIdx );
+        SetFlag( SbxFlagBits::Modified );
+    }
+}
+
+void SbxArray::Remove( SbxVariable const * pVar )
+{
+    if( pVar )
+    {
+        for( size_t i = 0; i < mVarEntries.size(); i++ )
+        {
+            if (mVarEntries[i].mpVar.get() == pVar)
+            {
+                Remove( i ); break;
+            }
+        }
+    }
+}
+
+// Taking over of the data from the passed array, at which
+// the variable of the same name will be overwritten.
+
+void SbxArray::Merge( SbxArray* p )
+{
+    if (!p)
+        return;
+
+    for (auto& rEntry1: p->mVarEntries)
+    {
+        if (!rEntry1.mpVar.is())
+            continue;
+
+        OUString aName = rEntry1.mpVar->GetName();
+        sal_uInt16 nHash = rEntry1.mpVar->GetHashCode();
+
+        // Is the element by the same name already inside?
+        // Then overwrite!
+        for (auto& rEntry2: mVarEntries)
+        {
+            if (!rEntry2.mpVar.is())
+                continue;
+
+            if (rEntry2.mpVar->GetHashCode() == nHash &&
+                rEntry2.mpVar->GetName().equalsIgnoreAsciiCase(aName))
+            {
+                // Take this element and clear the original.
+                rEntry2.mpVar = rEntry1.mpVar;
+                rEntry1.mpVar.clear();
+                break;
+            }
+        }
+
+        if (rEntry1.mpVar.is())
+        {
+            // We don't have element with the same name.  Add a new entry.
+            SbxVarEntry aNewEntry;
+            aNewEntry.mpVar = rEntry1.mpVar;
+            if (rEntry1.maAlias)
+                aNewEntry.maAlias = *rEntry1.maAlias;
+            mVarEntries.push_back(aNewEntry);
+        }
+    }
+}
+
+// Search of an element by his name and type. If an element is an object,
+// it will also be scanned...
+
+SbxVariable* SbxArray::Find( const OUString& rName, SbxClassType t )
+{
+    SbxVariable* p = nullptr;
+    if( mVarEntries.empty() )
+        return nullptr;
+    bool bExtSearch = IsSet( SbxFlagBits::ExtSearch );
+    sal_uInt16 nHash = SbxVariable::MakeHashCode( rName );
+    const OUString aNameCI = SbxVariable::NameToCaseInsensitiveName(rName);
+    for (auto& rEntry : mVarEntries)
+    {
+        if (!rEntry.mpVar.is() || !rEntry.mpVar->IsVisible())
+            continue;
+
+        // The very secure search works as well, if there is no hashcode!
+        sal_uInt16 nVarHash = rEntry.mpVar->GetHashCode();
+        // tdf#148358 - compare the names case-insensitive
+        if ( (!nVarHash || nVarHash == nHash)
+            && (t == SbxClassType::DontCare || rEntry.mpVar->GetClass() == t)
+            && (rEntry.mpVar->GetName(SbxNameType::CaseInsensitive) == aNameCI))
+        {
+            p = rEntry.mpVar.get();
+            p->ResetFlag(SbxFlagBits::ExtFound);
+            break;
+        }
+
+        // Did we have an array/object with extended search?
+        if (bExtSearch && rEntry.mpVar->IsSet(SbxFlagBits::ExtSearch))
+        {
+            switch (rEntry.mpVar->GetClass())
+            {
+                case SbxClassType::Object:
+                {
+                    // Objects are not allowed to scan their parent.
+                    SbxFlagBits nOld = rEntry.mpVar->GetFlags();
+                    rEntry.mpVar->ResetFlag(SbxFlagBits::GlobalSearch);
+                    p = static_cast<SbxObject&>(*rEntry.mpVar).Find(rName, t);
+                    rEntry.mpVar->SetFlags(nOld);
+                }
+                break;
+                case SbxClassType::Array:
+                    // Casting SbxVariable to SbxArray?  Really?
+                    p = reinterpret_cast<SbxArray&>(*rEntry.mpVar).Find(rName, t);
+                break;
+                default:
+                    ;
+            }
+
+            if (p)
+            {
+                p->SetFlag(SbxFlagBits::ExtFound);
+                break;
+            }
+        }
+    }
+    return p;
+}
+
+bool SbxArray::LoadData( SvStream& rStrm, sal_uInt16 /*nVer*/ )
+{
+    sal_uInt16 nElem;
+    Clear();
+    bool bRes = true;
+    SbxFlagBits f = nFlags;
+    nFlags |= SbxFlagBits::Write;
+    rStrm.ReadUInt16( nElem );
+    nElem &= 0x7FFF;
+    for( sal_uInt32 n = 0; n < nElem; n++ )
+    {
+        sal_uInt16 nIdx;
+        rStrm.ReadUInt16( nIdx );
+        SbxVariableRef pVar = static_cast<SbxVariable*>(Load( rStrm ).get());
+        if( pVar )
+        {
+            SbxVariableRef& rRef = GetRef( nIdx );
+            rRef = pVar;
+        }
+        else
+        {
+            bRes = false;
+            break;
+        }
+    }
+    nFlags = f;
+    return bRes;
+}
+
+bool SbxArray::StoreData( SvStream& rStrm ) const
+{
+    sal_uInt32 nElem = 0;
+    // Which elements are even defined?
+    for( auto& rEntry: mVarEntries )
+    {
+        if (rEntry.mpVar.is() && !(rEntry.mpVar->GetFlags() & SbxFlagBits::DontStore))
+            nElem++;
+    }
+    rStrm.WriteUInt16( nElem );
+    for( size_t n = 0; n < mVarEntries.size(); n++ )
+    {
+        const SbxVarEntry& rEntry = mVarEntries[n];
+        if (rEntry.mpVar.is() && !(rEntry.mpVar->GetFlags() & SbxFlagBits::DontStore))
+        {
+            rStrm.WriteUInt16( n );
+            if (!rEntry.mpVar->Store(rStrm))
+                return false;
+        }
+    }
+    return true;
+}
+
+// #100883 Method to set method directly to parameter array
+void SbxArray::PutDirect( SbxVariable* pVar, sal_uInt32 nIdx )
+{
+    SbxVariableRef& rRef = GetRef( nIdx );
+    rRef = pVar;
+}
+
+
+//  SbxArray
+
+SbxDimArray::SbxDimArray( SbxDataType t ) : SbxArray( t ), mbHasFixedSize( false )
+{
+}
+
+SbxDimArray& SbxDimArray::operator=( const SbxDimArray& rArray )
+{
+    if( &rArray != this )
+    {
+        SbxArray::operator=( static_cast<const SbxArray&>(rArray) );
+        m_vDimensions = rArray.m_vDimensions;
+        mbHasFixedSize = rArray.mbHasFixedSize;
+    }
+    return *this;
+}
+
+SbxDimArray::~SbxDimArray()
+{
+}
+
+void SbxDimArray::Clear()
+{
+    m_vDimensions.clear();
+    SbxArray::Clear();
+}
+
+// Add a dimension
+
+void SbxDimArray::AddDimImpl( sal_Int32 lb, sal_Int32 ub, bool bAllowSize0 )
+{
+    ErrCode eRes = ERRCODE_NONE;
+    if( ub < lb && !bAllowSize0 )
+    {
+        eRes = ERRCODE_BASIC_OUT_OF_RANGE;
+        ub = lb;
+    }
+    SbxDim d;
+    d.nLbound = lb;
+    d.nUbound = ub;
+    d.nSize   = ub - lb + 1;
+    m_vDimensions.push_back(d);
+    if( eRes )
+        SetError( eRes );
+}
+
+void SbxDimArray::AddDim( sal_Int32 lb, sal_Int32 ub )
+{
+    AddDimImpl( lb, ub, false );
+}
+
+void SbxDimArray::unoAddDim( sal_Int32 lb, sal_Int32 ub )
+{
+    AddDimImpl( lb, ub, true );
+}
+
+
+// Readout dimension data
+
+bool SbxDimArray::GetDim( sal_Int32 n, sal_Int32& rlb, sal_Int32& rub ) const
+{
+    if( n < 1 || o3tl::make_unsigned(n) > m_vDimensions.size() )
+    {
+        SetError( ERRCODE_BASIC_OUT_OF_RANGE );
+        rub = rlb = 0;
+        return false;
+    }
+    SbxDim d = m_vDimensions[n - 1];
+    rub = d.nUbound;
+    rlb = d.nLbound;
+    return true;
+}
+
+// Element-Ptr with the help of an index list
+
+sal_uInt32 SbxDimArray::Offset( const sal_Int32* pIdx )
+{
+    sal_uInt32 nPos = 0;
+    for( const auto& rDimension : m_vDimensions )
+    {
+        sal_Int32 nIdx = *pIdx++;
+        if( nIdx < rDimension.nLbound || nIdx > rDimension.nUbound )
+        {
+            nPos = sal_uInt32(SBX_MAXINDEX32) + 1; break;
+        }
+        nPos = nPos * rDimension.nSize + nIdx - rDimension.nLbound;
+    }
+    if( m_vDimensions.empty() || nPos > SBX_MAXINDEX32 )
+    {
+        SetError( ERRCODE_BASIC_OUT_OF_RANGE );
+        nPos = 0;
+    }
+    return nPos;
+}
+
+SbxVariable* SbxDimArray::Get( const sal_Int32* pIdx )
+{
+    return SbxArray::Get( Offset( pIdx ) );
+}
+
+void SbxDimArray::Put( SbxVariable* p, const sal_Int32* pIdx  )
+{
+    SbxArray::Put( p, Offset( pIdx ) );
+}
+
+// Element-Number with the help of Parameter-Array
+sal_uInt32 SbxDimArray::Offset( SbxArray* pPar )
+{
+#if HAVE_FEATURE_SCRIPTING
+    if (m_vDimensions.empty() || !pPar ||
+        ((m_vDimensions.size() != sal::static_int_cast<size_t>(pPar->Count() - 1))
+            && SbiRuntime::isVBAEnabled()))
+    {
+        SetError( ERRCODE_BASIC_OUT_OF_RANGE );
+        return 0;
+    }
+#endif
+    sal_uInt32 nPos = 0;
+    sal_uInt32 nOff = 1;    // Non element 0!
+    for (auto const& vDimension : m_vDimensions)
+    {
+        sal_Int32 nIdx = pPar->Get( nOff++ )->GetLong();
+        if( nIdx < vDimension.nLbound || nIdx > vDimension.nUbound )
+        {
+            nPos = sal_uInt32(SBX_MAXINDEX32)+1;
+            break;
+        }
+        nPos = nPos * vDimension.nSize + nIdx - vDimension.nLbound;
+        if (IsError())
+            break;
+    }
+    if( nPos > o3tl::make_unsigned(SBX_MAXINDEX32) )
+    {
+        SetError( ERRCODE_BASIC_OUT_OF_RANGE );
+        nPos = 0;
+    }
+    return nPos;
+}
+
+SbxVariable* SbxDimArray::Get( SbxArray* pPar )
+{
+    return SbxArray::Get( Offset( pPar ) );
+}
+
+bool SbxDimArray::LoadData( SvStream& rStrm, sal_uInt16 nVer )
+{
+    short nTmp(0);
+    rStrm.ReadInt16(nTmp);
+
+    if (nTmp > 0)
+    {
+        auto nDimension = o3tl::make_unsigned(nTmp);
+
+        const size_t nMinRecordSize = 4;
+        const size_t nMaxPossibleRecords = rStrm.remainingSize() / nMinRecordSize;
+        if (nDimension > nMaxPossibleRecords)
+        {
+            SAL_WARN("basic", "SbxDimArray::LoadData more entries claimed than stream could contain");
+            return false;
+        }
+
+        for (decltype(nDimension) i = 0; i < nDimension && rStrm.GetError() == ERRCODE_NONE; ++i)
+        {
+            sal_Int16 lb(0), ub(0);
+            rStrm.ReadInt16( lb ).ReadInt16( ub );
+            AddDim( lb, ub );
+        }
+    }
+    return SbxArray::LoadData( rStrm, nVer );
+}
+
+bool SbxDimArray::StoreData( SvStream& rStrm ) const
+{
+    assert(m_vDimensions.size() <= sal::static_int_cast<size_t>(std::numeric_limits<sal_Int16>::max()));
+    rStrm.WriteInt16( m_vDimensions.size() );
+    for( std::size_t i = 1; i <= m_vDimensions.size(); i++ )
+    {
+        sal_Int32 lb32, ub32;
+        GetDim(i, lb32, ub32);
+        assert(lb32 >= -SBX_MAXINDEX && ub32 <= SBX_MAXINDEX);
+        rStrm.WriteInt16(lb32).WriteInt16(ub32);
+    }
+    return SbxArray::StoreData( rStrm );
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */