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, 340 insertions, 0 deletions

diff --git a/basic/source/sbx/sbxbase.cxx b/basic/source/sbx/sbxbase.cxx
new file mode 100644
index 000000000..3b70307ec
--- /dev/null
+++ b/basic/source/sbx/sbxbase.cxx
@@ -0,0 +1,340 @@
+/* -*- 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 <memory>
+#include <tools/debug.hxx>
+#include <tools/stream.hxx>
+#include <vcl/svapp.hxx>
+
+#include <basic/sbx.hxx>
+#include <sbxfac.hxx>
+#include <sbxform.hxx>
+#include <basic/sbxmeth.hxx>
+#include <sbxprop.hxx>
+#include <sbxbase.hxx>
+
+#include <rtl/ustring.hxx>
+#include <sal/log.hxx>
+
+// AppData-Structure for SBX:
+
+
+SbxAppData::SbxAppData()
+    : eErrCode(ERRCODE_NONE)
+    , eBasicFormaterLangType(LANGUAGE_DONTKNOW)
+{
+}
+
+SbxAppData::~SbxAppData()
+{
+    SolarMutexGuard g;
+
+    pBasicFormater.reset();
+    // basic manager repository must be destroyed before factories
+    mrImplRepository.clear();
+}
+
+SbxBase::SbxBase()
+{
+    nFlags  = SbxFlagBits::ReadWrite;
+}
+
+SbxBase::SbxBase( const SbxBase& r )
+    : SvRefBase( r )
+{
+    nFlags  = r.nFlags;
+}
+
+SbxBase::~SbxBase()
+{
+}
+
+SbxBase& SbxBase::operator=( const SbxBase& r )
+{
+    nFlags = r.nFlags;
+    return *this;
+}
+
+SbxDataType SbxBase::GetType() const
+{
+    return SbxEMPTY;
+}
+
+bool SbxBase::IsFixed() const
+{
+    return IsSet( SbxFlagBits::Fixed );
+}
+
+void SbxBase::SetModified( bool b )
+{
+    if( IsSet( SbxFlagBits::NoModify ) )
+        return;
+    if( b )
+        SetFlag( SbxFlagBits::Modified );
+    else
+        ResetFlag( SbxFlagBits::Modified );
+}
+
+ErrCode const & SbxBase::GetError()
+{
+    return GetSbxData_Impl().eErrCode;
+}
+
+void SbxBase::SetError( ErrCode e )
+{
+    SbxAppData& r = GetSbxData_Impl();
+    if( e && r.eErrCode == ERRCODE_NONE )
+        r.eErrCode = e;
+}
+
+bool SbxBase::IsError()
+{
+    return GetSbxData_Impl().eErrCode != ERRCODE_NONE;
+}
+
+void SbxBase::ResetError()
+{
+    GetSbxData_Impl().eErrCode = ERRCODE_NONE;
+}
+
+void SbxBase::AddFactory( SbxFactory* pFac )
+{
+    GetSbxData_Impl().m_Factories.emplace_back(pFac);
+}
+
+void SbxBase::RemoveFactory( SbxFactory const * pFac )
+{
+    if (!IsSbxData_Impl())
+        return;
+    SbxAppData& r = GetSbxData_Impl();
+    auto it = std::find(r.m_Factories.begin(), r.m_Factories.end(), pFac);
+    if (it != r.m_Factories.end())
+        r.m_Factories.erase( it );
+}
+
+
+SbxBaseRef SbxBase::Create( sal_uInt16 nSbxId, sal_uInt32 nCreator )
+{
+    // #91626: Hack to skip old Basic dialogs
+    // Problem: There does not exist a factory any more,
+    // so we have to create a dummy SbxVariable instead
+    if( nSbxId == 0x65 )    // Dialog Id
+        return new SbxVariable;
+
+    if( nCreator == SBXCR_SBX )
+      switch( nSbxId )
+    {
+        case SBXID_VALUE:       return new SbxValue;
+        case SBXID_VARIABLE:    return new SbxVariable;
+        case SBXID_ARRAY:       return new SbxArray;
+        case SBXID_DIMARRAY:    return new SbxDimArray;
+        case SBXID_OBJECT:      return new SbxObject( "" );
+        case SBXID_COLLECTION:  return new SbxCollection;
+        case SBXID_FIXCOLLECTION:
+                                return new SbxStdCollection;
+        case SBXID_METHOD:      return new SbxMethod( "", SbxEMPTY );
+        case SBXID_PROPERTY:    return new SbxProperty( "", SbxEMPTY );
+    }
+    // Unknown type: go over the factories!
+    SbxAppData& r = GetSbxData_Impl();
+    SbxBaseRef pNew;
+    for (auto const& rpFac : r.m_Factories)
+    {
+        pNew = rpFac->Create( nSbxId, nCreator );
+        if( pNew )
+            break;
+    }
+    SAL_WARN_IF(!pNew, "basic", "No factory for SBX ID " << nSbxId);
+    return pNew;
+}
+
+SbxObjectRef SbxBase::CreateObject( const OUString& rClass )
+{
+    SbxAppData& r = GetSbxData_Impl();
+    SbxObjectRef pNew;
+    for (auto const& rpFac : r.m_Factories)
+    {
+        pNew = rpFac->CreateObject( rClass );
+        if( pNew )
+            break;
+    }
+    SAL_WARN_IF(!pNew, "basic", "No factory for object class " << rClass);
+    return pNew;
+}
+
+namespace {
+
+// coverity[ -taint_source ]
+[[nodiscard]] SbxFlagBits CorrectFlags(SbxFlagBits nFlags)
+{
+    // Correcting a foolishness of mine:
+    if (nFlags & SbxFlagBits::Reserved)
+        nFlags |= SbxFlagBits::GlobalSearch;
+    return nFlags & ~SbxFlagBits::Reserved;
+}
+
+}
+
+SbxBaseRef SbxBase::Load( SvStream& rStrm )
+{
+    sal_uInt16 nSbxId(0), nFlagsTmp(0), nVer(0);
+    sal_uInt32 nCreator(0), nSize(0);
+    rStrm.ReadUInt32( nCreator ).ReadUInt16( nSbxId ).ReadUInt16( nFlagsTmp ).ReadUInt16( nVer );
+    SbxFlagBits nFlags = CorrectFlags(static_cast<SbxFlagBits>(nFlagsTmp));
+
+    sal_uInt64 nOldPos = rStrm.Tell();
+    rStrm.ReadUInt32( nSize );
+    SbxBaseRef p = Create( nSbxId, nCreator );
+    if( p )
+    {
+        p->nFlags = nFlags;
+        if( p->LoadData( rStrm, nVer ) )
+        {
+            sal_uInt64 const nNewPos = rStrm.Tell();
+            nOldPos += nSize;
+            DBG_ASSERT( nOldPos >= nNewPos, "SBX: Too much data loaded" );
+            if( nOldPos != nNewPos )
+                rStrm.Seek( nOldPos );
+            if( !p->LoadCompleted() )
+            {
+                // Deleting of the object
+                SbxBaseRef xDeleteRef( p );
+                p = nullptr;
+            }
+        }
+        else
+        {
+            rStrm.SetError( SVSTREAM_FILEFORMAT_ERROR );
+            // Deleting of the object
+            SbxBaseRef xDeleteRef( p );
+            p = nullptr;
+        }
+    }
+    else
+        rStrm.SetError( SVSTREAM_FILEFORMAT_ERROR );
+    return p;
+}
+
+bool SbxBase::Store( SvStream& rStrm )
+{
+    if( ( nFlags & SbxFlagBits::DontStore ) == SbxFlagBits::NONE )
+    {
+        rStrm.WriteUInt32( SBXCR_SBX )
+             .WriteUInt16( GetSbxId() )
+             .WriteUInt16( static_cast<sal_uInt16>(GetFlags()) )
+             .WriteUInt16( GetVersion() );
+        sal_uInt64 const nOldPos = rStrm.Tell();
+        rStrm.WriteUInt32( 0 );
+        bool bRes = StoreData( rStrm );
+        sal_uInt64 const nNewPos = rStrm.Tell();
+        rStrm.Seek( nOldPos );
+        rStrm.WriteUInt32( nNewPos - nOldPos );
+        rStrm.Seek( nNewPos );
+        if( rStrm.GetError() != ERRCODE_NONE )
+            bRes = false;
+        if( bRes )
+            bRes = true;
+        return bRes;
+    }
+    else
+        return true;
+}
+
+bool SbxBase::LoadCompleted()
+{
+    return true;
+}
+
+//////////////////////////////// SbxFactory
+
+SbxFactory::~SbxFactory()
+{
+}
+
+SbxBaseRef SbxFactory::Create( sal_uInt16, sal_uInt32 )
+{
+    return nullptr;
+}
+
+SbxObjectRef SbxFactory::CreateObject( const OUString& )
+{
+    return nullptr;
+}
+
+///////////////////////////////// SbxInfo
+
+SbxInfo::~SbxInfo()
+{}
+
+void SbxInfo::AddParam(const OUString& rName, SbxDataType eType, SbxFlagBits nFlags)
+{
+    m_Params.push_back(std::make_unique<SbxParamInfo>(rName, eType, nFlags));
+}
+
+const SbxParamInfo* SbxInfo::GetParam( sal_uInt16 n ) const
+{
+    if (n < 1 || n > m_Params.size())
+        return nullptr;
+    else
+        return m_Params[n - 1].get();
+}
+
+void SbxInfo::LoadData( SvStream& rStrm, sal_uInt16 nVer )
+{
+    m_Params.clear();
+    sal_uInt16 nParam;
+    aComment = read_uInt16_lenPrefixed_uInt8s_ToOUString(rStrm,
+        RTL_TEXTENCODING_ASCII_US);
+    aHelpFile = read_uInt16_lenPrefixed_uInt8s_ToOUString(rStrm,
+        RTL_TEXTENCODING_ASCII_US);
+    rStrm.ReadUInt32( nHelpId ).ReadUInt16( nParam );
+    while( nParam-- )
+    {
+        sal_uInt16 nType(0), nFlagsTmp(0);
+        sal_uInt32 nUserData = 0;
+        OUString aName = read_uInt16_lenPrefixed_uInt8s_ToOUString(rStrm,
+            RTL_TEXTENCODING_ASCII_US);
+        rStrm.ReadUInt16( nType ).ReadUInt16( nFlagsTmp );
+        SbxFlagBits nFlags = static_cast<SbxFlagBits>(nFlagsTmp);
+        if( nVer > 1 )
+            rStrm.ReadUInt32( nUserData );
+        AddParam( aName, static_cast<SbxDataType>(nType), nFlags );
+        SbxParamInfo& p(*m_Params.back());
+        p.nUserData = nUserData;
+    }
+}
+
+void SbxInfo::StoreData( SvStream& rStrm ) const
+{
+    write_uInt16_lenPrefixed_uInt8s_FromOUString(rStrm, aComment,
+        RTL_TEXTENCODING_ASCII_US );
+    write_uInt16_lenPrefixed_uInt8s_FromOUString(rStrm, aHelpFile,
+        RTL_TEXTENCODING_ASCII_US);
+    rStrm.WriteUInt32( nHelpId ).WriteUInt16( m_Params.size() );
+    for (auto const& i : m_Params)
+    {
+        write_uInt16_lenPrefixed_uInt8s_FromOUString(rStrm, i->aName,
+            RTL_TEXTENCODING_ASCII_US);
+        rStrm.WriteUInt16( i->eType )
+             .WriteUInt16( static_cast<sal_uInt16>(i->nFlags) )
+             .WriteUInt32( i->nUserData );
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */