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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /svl/source/svdde/ddesvr.cxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'svl/source/svdde/ddesvr.cxx')
-rw-r--r--svl/source/svdde/ddesvr.cxx857
1 files changed, 857 insertions, 0 deletions
diff --git a/svl/source/svdde/ddesvr.cxx b/svl/source/svdde/ddesvr.cxx
new file mode 100644
index 000000000..cff09ed68
--- /dev/null
+++ b/svl/source/svdde/ddesvr.cxx
@@ -0,0 +1,857 @@
+/* -*- 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 "ddeimp.hxx"
+#include <algorithm>
+#include <memory>
+#include <comphelper/string.hxx>
+#include <rtl/ustring.hxx>
+#include <svl/svdde.hxx>
+#include <osl/thread.h>
+#include <o3tl/sorted_vector.hxx>
+#include <o3tl/char16_t2wchar_t.hxx>
+
+namespace {
+
+enum DdeItemType
+{
+ DDEITEM,
+ DDEGETPUTITEM
+};
+
+}
+
+struct DdeItemImpData
+{
+ HCONV nHCnv;
+ sal_uInt16 nCnt;
+
+ explicit DdeItemImpData( HCONV nH ) : nHCnv( nH ), nCnt( 1 ) {}
+};
+
+HDDEDATA CALLBACK DdeInternal::SvrCallback(
+ UINT nCode, UINT nCbType, HCONV hConv, HSZ hText1, HSZ hText2,
+ HDDEDATA hData, ULONG_PTR, ULONG_PTR )
+{
+ DdeServices& rAll = DdeService::GetServices();
+ DdeService* pService;
+ DdeTopic* pTopic;
+ DdeItem* pItem;
+ DdeData* pData;
+ Conversation* pC;
+
+ DdeInstData* pInst = ImpGetInstData();
+ assert(pInst);
+
+ switch( nCode )
+ {
+ case XTYP_WILDCONNECT:
+ {
+ int nTopics = 0;
+
+ WCHAR chTopicBuf[250];
+ if( hText1 )
+ DdeQueryStringW( pInst->hDdeInstSvr, hText1, chTopicBuf,
+ SAL_N_ELEMENTS(chTopicBuf), CP_WINUNICODE );
+
+ for (auto& rpService : rAll)
+ {
+ pService = rpService;
+ if ( !hText2 || ( *pService->pName == hText2 ) )
+ {
+ OUString sTopics( pService->Topics() );
+ if (!sTopics.isEmpty())
+ {
+ if( hText1 )
+ {
+ sal_Int32 n = 0;
+ while( -1 != n )
+ {
+ OUString s( sTopics.getToken( 0, '\t', n ));
+ if( s == o3tl::toU(chTopicBuf) )
+ ++nTopics;
+ }
+ }
+ else
+ nTopics += comphelper::string::getTokenCount(sTopics, '\t');
+ }
+ }
+ }
+
+ if( !nTopics )
+ return nullptr;
+
+ auto pPairs = std::make_unique<HSZPAIR[]>(nTopics + 1);
+
+ HSZPAIR* q = pPairs.get();
+ for (auto& rpService : rAll)
+ {
+ pService = rpService;
+ if ( !hText2 || (*pService->pName == hText2 ) )
+ {
+ OUString sTopics( pService->Topics() );
+ sal_Int32 n = 0;
+ while( -1 != n )
+ {
+ OUString s( sTopics.getToken( 0, '\t', n ));
+ s = s.replaceAll("\n", "").replaceAll("\r", "");
+ if( !hText1 || s == o3tl::toU(chTopicBuf) )
+ {
+ DdeString aDStr( pInst->hDdeInstSvr, s );
+ pTopic = FindTopic( *pService, aDStr.getHSZ() );
+ if( pTopic )
+ {
+ q->hszSvc = pService->pName->getHSZ();
+ q->hszTopic = pTopic->pName->getHSZ();
+ q++;
+ }
+ }
+ }
+ }
+ }
+
+ q->hszSvc = nullptr;
+ q->hszTopic = nullptr;
+ HDDEDATA h = DdeCreateDataHandle(
+ pInst->hDdeInstSvr,
+ reinterpret_cast<LPBYTE>(pPairs.get()),
+ sizeof(HSZPAIR) * (nTopics+1),
+ 0, nullptr, nCbType, 0);
+ return h;
+ }
+
+ case XTYP_CONNECT:
+ pService = FindService( hText2 );
+ if ( pService)
+ pTopic = FindTopic( *pService, hText1 );
+ else
+ pTopic = nullptr;
+ if ( pTopic )
+ return reinterpret_cast<HDDEDATA>(DDE_FACK);
+ else
+ return nullptr;
+
+ case XTYP_CONNECT_CONFIRM:
+ pService = FindService( hText2 );
+ if ( pService )
+ {
+ pTopic = FindTopic( *pService, hText1 );
+ if ( pTopic )
+ {
+ pC = new Conversation;
+ pC->hConv = hConv;
+ pC->pTopic = pTopic;
+ pService->m_vConv.emplace_back( pC );
+ }
+ }
+ return nullptr;
+ }
+
+ for (auto& rpService : rAll)
+ {
+ pService = rpService;
+ for ( size_t i = 0, n = pService->m_vConv.size(); i < n; ++i )
+ {
+ pC = pService->m_vConv[ i ].get();
+ if ( pC->hConv == hConv )
+ goto found;
+ }
+ }
+
+ return reinterpret_cast<HDDEDATA>(DDE_FNOTPROCESSED);
+
+found:
+ if ( nCode == XTYP_DISCONNECT)
+ {
+ DisconnectTopic(*pC->pTopic, hConv);
+ auto it = std::find_if(pService->m_vConv.begin(), pService->m_vConv.end(),
+ [&pC](const std::unique_ptr<Conversation>& rxConv) { return rxConv.get() == pC; });
+ if (it != pService->m_vConv.end())
+ pService->m_vConv.erase( it );
+ return nullptr;
+ }
+
+ bool bExec = nCode == XTYP_EXECUTE;
+ pTopic = pC->pTopic;
+ if ( pTopic && !bExec )
+ pItem = FindItem( *pTopic, hText2 );
+ else
+ pItem = nullptr;
+
+ if ( !bExec && !pService->HasCbFormat( nCbType ) )
+ pItem = nullptr;
+ if ( !pItem && !bExec )
+ return static_cast<HDDEDATA>(DDE_FNOTPROCESSED);
+ if ( pItem )
+ pTopic->aItem = pItem->GetName();
+ else
+ pTopic->aItem.clear();
+
+ bool bRes = false;
+ switch( nCode )
+ {
+ case XTYP_REQUEST:
+ case XTYP_ADVREQ:
+ {
+ OUString aRes; // Must be free not until the end!
+ if ( pTopic->IsSystemTopic() )
+ {
+ if ( pTopic->aItem == SZDDESYS_ITEM_TOPICS )
+ aRes = pService->Topics();
+ else if ( pTopic->aItem == SZDDESYS_ITEM_SYSITEMS )
+ aRes = pService->SysItems();
+ else if ( pTopic->aItem == SZDDESYS_ITEM_STATUS )
+ aRes = pService->Status();
+ else if ( pTopic->aItem == SZDDESYS_ITEM_FORMATS )
+ aRes = pService->Formats();
+ else if ( pTopic->aItem == SZDDESYS_ITEM_HELP )
+ aRes = OUString();
+ else
+ aRes = OUString();
+
+ if ( !aRes.isEmpty() )
+ pData = new DdeData( aRes );
+ else
+ pData = nullptr;
+ }
+ else if( DDEGETPUTITEM == pItem->nType )
+ {
+ pData = static_cast<DdeGetPutItem*>(pItem)->Get( DdeData::GetInternalFormat( nCbType ) );
+ }
+ else
+ {
+ pData = pTopic->Get( DdeData::GetInternalFormat( nCbType ));
+ }
+
+ if ( pData )
+ {
+ return DdeCreateDataHandle( pInst->hDdeInstSvr,
+ static_cast<LPBYTE>(const_cast<void *>(pData->xImp->pData)),
+ pData->xImp->nData,
+ 0, hText2,
+ DdeData::GetExternalFormat(
+ pData->xImp->nFmt ),
+ 0 );
+ }
+ }
+ break;
+
+ case XTYP_POKE:
+ if ( !pTopic->IsSystemTopic() )
+ {
+ DdeData d;
+ d.xImp->hData = hData;
+ d.xImp->nFmt = DdeData::GetInternalFormat( nCbType );
+ d.Lock();
+ if( DDEGETPUTITEM == pItem->nType )
+ bRes = static_cast<DdeGetPutItem*>(pItem)->Put( &d );
+ else
+ bRes = pTopic->Put( &d );
+ }
+ if ( bRes )
+ return reinterpret_cast<HDDEDATA>(DDE_FACK);
+ else
+ return reinterpret_cast<HDDEDATA>(DDE_FNOTPROCESSED);
+
+ case XTYP_ADVSTART:
+ {
+ // Is the Item turning into a HotLink for the first time?
+ if( !pItem->pImpData && pTopic->StartAdviseLoop() )
+ {
+ // Then the Item has been exchanged
+ std::vector<DdeItem*>::iterator it(std::find(pTopic->aItems.begin(),
+ pTopic->aItems.end(),
+ pItem));
+ if (it != pTopic->aItems.end())
+ pTopic->aItems.erase(it);
+
+ std::vector<DdeItem*>::iterator iter;
+ iter = std::find_if(pTopic->aItems.begin(), pTopic->aItems.end(),
+ [&hText2](const DdeItem* pDdeItem) { return *pDdeItem->pName == hText2; });
+ if (iter != pTopic->aItems.end())
+ {
+ // It was exchanged indeed
+ delete pItem;
+ pItem = nullptr;
+ }
+
+ if( pItem )
+ // It was not exchange, so back in
+ pTopic->aItems.push_back(pItem);
+ else
+ pItem = iter != pTopic->aItems.end() ? *iter : nullptr;
+ }
+
+ if (pItem)
+ {
+ IncMonitor(pItem, hConv);
+ }
+ }
+ return reinterpret_cast<HDDEDATA>(TRUE);
+
+ case XTYP_ADVSTOP:
+ DecMonitor(pItem, hConv);
+ return reinterpret_cast<HDDEDATA>(TRUE);
+
+ case XTYP_EXECUTE:
+ {
+ DdeData aExec;
+ aExec.xImp->hData = hData;
+ aExec.xImp->nFmt = DdeData::GetInternalFormat( nCbType );
+ aExec.Lock();
+ OUString aName;
+
+ aName = static_cast<const sal_Unicode *>(aExec.xImp->pData);
+
+ if( pTopic->IsSystemTopic() )
+ bRes = false;
+ else
+ bRes = pTopic->Execute( &aName );
+ }
+ if ( bRes )
+ return reinterpret_cast<HDDEDATA>(DDE_FACK);
+ else
+ return reinterpret_cast<HDDEDATA>(DDE_FNOTPROCESSED);
+ }
+
+ return nullptr;
+}
+
+DdeService* DdeInternal::FindService( HSZ hService )
+{
+ DdeServices& rSvc = DdeService::GetServices();
+ auto aI = std::find_if(rSvc.begin(), rSvc.end(),
+ [&hService](const DdeService* s) { return *s->pName == hService; });
+ if (aI != rSvc.end())
+ return *aI;
+
+ return nullptr;
+}
+
+DdeTopic* DdeInternal::FindTopic( DdeService& rService, HSZ hTopic )
+{
+ std::vector<DdeTopic*> &rTopics = rService.aTopics;
+
+ auto iter = std::find_if(rTopics.begin(), rTopics.end(),
+ [&hTopic](const DdeTopic* pTopic) { return *pTopic->pName == hTopic; });
+ if (iter != rTopics.end())
+ return *iter;
+
+ return nullptr;
+}
+
+DdeItem* DdeInternal::FindItem( DdeTopic& rTopic, HSZ hItem )
+{
+ std::vector<DdeItem*>::iterator iter;
+ std::vector<DdeItem*> &rItems = rTopic.aItems;
+ DdeInstData* pInst = ImpGetInstData();
+ assert(pInst);
+ bool bContinue = false;
+
+ do
+ { // middle check loop
+ iter = std::find_if(rItems.begin(), rItems.end(),
+ [&hItem](const DdeItem* pItem) { return *pItem->pName == hItem; });
+ if (iter != rItems.end())
+ return *iter;
+ bContinue = !bContinue;
+ if( !bContinue )
+ break;
+
+ // Let's query our subclass
+ WCHAR chBuf[250];
+ DdeQueryStringW(pInst->hDdeInstSvr,hItem,chBuf,SAL_N_ELEMENTS(chBuf),CP_WINUNICODE );
+ bContinue = rTopic.MakeItem( OUString(o3tl::toU(chBuf)) );
+ // We need to search again
+ }
+ while( bContinue );
+
+ return nullptr;
+}
+
+DdeService::DdeService( const OUString& rService )
+{
+ DdeInstData* pInst = ImpGetInstData();
+ if( !pInst )
+ pInst = ImpInitInstData();
+ pInst->nRefCount++;
+ pInst->nInstanceSvr++;
+
+ if ( !pInst->hDdeInstSvr )
+ {
+ nStatus = sal::static_int_cast< short >(
+ DdeInitializeW( &pInst->hDdeInstSvr,
+ DdeInternal::SvrCallback,
+ APPCLASS_STANDARD |
+ CBF_SKIP_REGISTRATIONS |
+ CBF_SKIP_UNREGISTRATIONS, 0 ) );
+ pInst->pServicesSvr = new DdeServices;
+ }
+ else
+ nStatus = DMLERR_NO_ERROR;
+
+ if ( pInst->pServicesSvr )
+ pInst->pServicesSvr->push_back( this );
+
+ pName = new DdeString( pInst->hDdeInstSvr, rService );
+ if ( nStatus == DMLERR_NO_ERROR )
+ {
+ if ( !DdeNameService( pInst->hDdeInstSvr, pName->getHSZ(), nullptr,
+ DNS_REGISTER | DNS_FILTEROFF ) )
+ {
+ nStatus = DMLERR_SYS_ERROR;
+ }
+ }
+ AddFormat( SotClipboardFormatId::STRING );
+ pSysTopic = new DdeTopic( SZDDESYS_TOPIC );
+ pSysTopic->AddItem( DdeItem( SZDDESYS_ITEM_TOPICS ) );
+ pSysTopic->AddItem( DdeItem( SZDDESYS_ITEM_SYSITEMS ) );
+ pSysTopic->AddItem( DdeItem( SZDDESYS_ITEM_STATUS ) );
+ pSysTopic->AddItem( DdeItem( SZDDESYS_ITEM_FORMATS ) );
+ pSysTopic->AddItem( DdeItem( SZDDESYS_ITEM_HELP ) );
+ AddTopic( *pSysTopic );
+}
+
+DdeService::~DdeService()
+{
+ DdeInstData* pInst = ImpGetInstData();
+ assert(pInst);
+ if ( pInst->pServicesSvr )
+ pInst->pServicesSvr->erase(std::remove(pInst->pServicesSvr->begin(), pInst->pServicesSvr->end(), this), pInst->pServicesSvr->end());
+
+ delete pSysTopic;
+ delete pName;
+
+ pInst->nInstanceSvr--;
+ pInst->nRefCount--;
+ if ( !pInst->nInstanceSvr && pInst->hDdeInstSvr )
+ {
+ if( DdeUninitialize( pInst->hDdeInstSvr ) )
+ {
+ pInst->hDdeInstSvr = 0;
+ delete pInst->pServicesSvr;
+ pInst->pServicesSvr = nullptr;
+ if( pInst->nRefCount == 0)
+ ImpDeinitInstData();
+ }
+ }
+}
+
+OUString DdeService::GetName() const
+{
+ return pName->toOUString();
+}
+
+DdeServices& DdeService::GetServices()
+{
+ DdeInstData* pInst = ImpGetInstData();
+ assert(pInst);
+ return *(pInst->pServicesSvr);
+}
+
+void DdeService::AddTopic( const DdeTopic& rTopic )
+{
+ RemoveTopic( rTopic );
+ aTopics.push_back(const_cast<DdeTopic *>(&rTopic));
+}
+
+void DdeService::RemoveTopic( const DdeTopic& rTopic )
+{
+ auto iter = std::find_if(aTopics.begin(), aTopics.end(),
+ [&rTopic](const DdeTopic* pTopic) { return DdeCmpStringHandles(pTopic->pName->getHSZ(), rTopic.pName->getHSZ()) == 0; });
+ if (iter != aTopics.end())
+ {
+ aTopics.erase(iter);
+ // Delete all conversions!
+ // Or else we work on deleted topics!
+ for( size_t n = m_vConv.size(); n; )
+ {
+ auto const& pC = m_vConv[ --n ];
+ if( pC->pTopic == &rTopic )
+ m_vConv.erase( m_vConv.begin() + n );
+ }
+ }
+}
+
+bool DdeService::HasCbFormat( sal_uInt32 nFmt )
+{
+ return std::find(aFormats.begin(), aFormats.end(), nFmt) != aFormats.end();
+}
+
+bool DdeService::HasFormat(SotClipboardFormatId nFmt)
+{
+ return HasCbFormat( DdeData::GetExternalFormat( nFmt ));
+}
+
+void DdeService::AddFormat(SotClipboardFormatId nFmt)
+{
+ sal_uInt32 nExternalFmt = DdeData::GetExternalFormat( nFmt );
+ if (HasCbFormat(nExternalFmt))
+ return;
+ aFormats.push_back( nExternalFmt );
+}
+
+void DdeService::RemoveFormat(SotClipboardFormatId nFmt)
+{
+ sal_uInt32 nExternalFmt = DdeData::GetExternalFormat( nFmt );
+ auto it = std::find(aFormats.begin(), aFormats.end(), nExternalFmt);
+ if (it != aFormats.end())
+ aFormats.erase( it );
+}
+
+DdeTopic::DdeTopic( const OUString& rName )
+{
+ DdeInstData* pInst = ImpGetInstData();
+ assert(pInst);
+ pName = new DdeString( pInst->hDdeInstSvr, rName );
+}
+
+DdeTopic::~DdeTopic()
+{
+ for (auto& rpItem : aItems)
+ {
+ rpItem->pMyTopic = nullptr;
+ delete rpItem;
+ }
+
+ delete pName;
+}
+
+OUString DdeTopic::GetName() const
+{
+ return pName->toOUString();
+}
+
+bool DdeTopic::IsSystemTopic()
+{
+ return GetName() == SZDDESYS_TOPIC;
+}
+
+DdeItem* DdeTopic::AddItem( const DdeItem& r )
+{
+ DdeItem* s;
+ if( DDEGETPUTITEM == r.nType )
+ s = new DdeGetPutItem( r );
+ else
+ s = new DdeItem( r );
+
+ aItems.push_back( s );
+ s->pMyTopic = this;
+ return s;
+}
+
+void DdeTopic::InsertItem( DdeItem* pNew )
+{
+ if( pNew )
+ {
+ aItems.push_back( pNew );
+ pNew->pMyTopic = this;
+ }
+}
+
+void DdeTopic::RemoveItem( const DdeItem& r )
+{
+ auto iter = std::find_if(aItems.begin(), aItems.end(),
+ [&r](const DdeItem* pItem) { return DdeCmpStringHandles(pItem->pName->getHSZ(), r.pName->getHSZ()) == 0; });
+
+ if ( iter != aItems.end() )
+ {
+ (*iter)->pMyTopic = nullptr;
+ delete *iter;
+ aItems.erase(iter);
+ }
+}
+
+void DdeTopic::NotifyClient( const OUString& rItem )
+{
+ DdeInstData* pInst = ImpGetInstData();
+ assert(pInst);
+ auto iter = std::find_if(aItems.begin(), aItems.end(),
+ [&rItem](const DdeItem* pItem) { return pItem->GetName().equals(rItem) && pItem->pImpData; });
+ if (iter != aItems.end())
+ DdePostAdvise( pInst->hDdeInstSvr, pName->getHSZ(), (*iter)->pName->getHSZ() );
+}
+
+void DdeInternal::DisconnectTopic(DdeTopic & rTopic, HCONV nId)
+{
+ for (const auto& rpItem : rTopic.aItems)
+ {
+ DecMonitor(rpItem, nId);
+ }
+}
+
+DdeData* DdeTopic::Get(SotClipboardFormatId /*nFmt*/)
+{
+ return nullptr;
+}
+
+bool DdeTopic::Put( const DdeData* )
+{
+ return false;
+}
+
+bool DdeTopic::Execute( const OUString* )
+{
+ return false;
+}
+
+bool DdeTopic::StartAdviseLoop()
+{
+ return false;
+}
+
+DdeItem::DdeItem( const sal_Unicode* p )
+{
+ DdeInstData* pInst = ImpGetInstData();
+ assert(pInst);
+ pName = new DdeString( pInst->hDdeInstSvr, OUString(p) );
+ nType = DDEITEM;
+ pMyTopic = nullptr;
+ pImpData = nullptr;
+}
+
+DdeItem::DdeItem( const OUString& r)
+{
+ DdeInstData* pInst = ImpGetInstData();
+ assert(pInst);
+ pName = new DdeString( pInst->hDdeInstSvr, r );
+ nType = DDEITEM;
+ pMyTopic = nullptr;
+ pImpData = nullptr;
+}
+
+DdeItem::DdeItem( const DdeItem& r)
+{
+ DdeInstData* pInst = ImpGetInstData();
+ assert(pInst);
+ pName = new DdeString( pInst->hDdeInstSvr, r.pName->toOUString() );
+ nType = DDEITEM;
+ pMyTopic = nullptr;
+ pImpData = nullptr;
+}
+
+DdeItem::~DdeItem()
+{
+ if( pMyTopic )
+ pMyTopic->aItems.erase(std::remove(pMyTopic->aItems.begin(),
+ pMyTopic->aItems.end(),this));
+ delete pName;
+ delete pImpData;
+}
+
+OUString DdeItem::GetName() const
+{
+ return pName->toOUString();
+}
+
+void DdeItem::NotifyClient()
+{
+ if( pMyTopic && pImpData )
+ {
+ DdeInstData* pInst = ImpGetInstData();
+ assert(pInst);
+ DdePostAdvise( pInst->hDdeInstSvr, pMyTopic->pName->getHSZ(), pName->getHSZ() );
+ }
+}
+
+void DdeInternal::IncMonitor(DdeItem *const pItem, HCONV nHCnv)
+{
+ if (!pItem->pImpData)
+ {
+ pItem->pImpData = new std::vector<DdeItemImpData>;
+ if (DDEGETPUTITEM == pItem->nType)
+ {
+ static_cast<DdeGetPutItem*>(pItem)->AdviseLoop( true );
+ }
+ }
+ else
+ {
+ for (size_t n = pItem->pImpData->size(); n; )
+ {
+ if ((*pItem->pImpData)[ --n ].nHCnv == nHCnv)
+ {
+ ++(*pItem->pImpData)[ n ].nHCnv;
+ return ;
+ }
+ }
+ }
+
+ pItem->pImpData->push_back( DdeItemImpData( nHCnv ) );
+}
+
+void DdeInternal::DecMonitor(DdeItem *const pItem, HCONV nHCnv)
+{
+ if (pItem->pImpData)
+ {
+ for( size_t n = 0; n < pItem->pImpData->size(); ++n )
+ {
+ DdeItemImpData* pData = &(*pItem->pImpData)[n];
+ if( pData->nHCnv == nHCnv )
+ {
+ if( !pData->nCnt || !--pData->nCnt )
+ {
+ if (1 < pItem->pImpData->size())
+ {
+ pItem->pImpData->erase(pItem->pImpData->begin() + n);
+ }
+ else
+ {
+ delete pItem->pImpData;
+ pItem->pImpData = nullptr;
+ if (DDEGETPUTITEM == pItem->nType)
+ {
+ static_cast<DdeGetPutItem*>(pItem)->AdviseLoop(false);
+ }
+ }
+ }
+ return ;
+ }
+ }
+ }
+}
+
+short DdeItem::GetLinks()
+{
+ short nCnt = 0;
+ if( pImpData )
+ {
+ for (const auto& rData : *pImpData)
+ {
+ nCnt += rData.nCnt;
+ }
+ }
+ return nCnt;
+}
+
+DdeGetPutItem::DdeGetPutItem( const sal_Unicode* p )
+ : DdeItem( p )
+{
+ nType = DDEGETPUTITEM;
+}
+
+DdeGetPutItem::DdeGetPutItem( const OUString& rStr )
+ : DdeItem( rStr )
+{
+ nType = DDEGETPUTITEM;
+}
+
+DdeGetPutItem::DdeGetPutItem( const DdeItem& rItem )
+ : DdeItem( rItem )
+{
+ nType = DDEGETPUTITEM;
+}
+
+DdeData* DdeGetPutItem::Get(SotClipboardFormatId)
+{
+ return nullptr;
+}
+
+bool DdeGetPutItem::Put( const DdeData* )
+{
+ return false;
+}
+
+void DdeGetPutItem::AdviseLoop( bool )
+{
+}
+
+OUString DdeService::SysItems()
+{
+ OUString s;
+ for ( const auto& rpTopic : aTopics )
+ {
+ if ( rpTopic->GetName() == SZDDESYS_TOPIC )
+ {
+ short n = 0;
+ for ( const auto& rpItem : rpTopic->aItems )
+ {
+ if ( n )
+ s += "\t";
+ s += rpItem->GetName();
+ n++;
+ }
+ s += "\r\n";
+ }
+ }
+
+ return s;
+}
+
+OUString DdeService::Topics()
+{
+ OUString s;
+ short n = 0;
+
+ for ( const auto& rpTopic : aTopics )
+ {
+ if ( n )
+ s += "\t";
+ s += rpTopic->GetName();
+ n++;
+ }
+ s += "\r\n";
+
+ return s;
+}
+
+OUString DdeService::Formats()
+{
+ OUString s;
+ short n = 0;
+
+ for (size_t i = 0; i < aFormats.size(); ++i, ++n)
+ {
+ sal_uInt32 f = aFormats[ i ];
+ if ( n )
+ s += "\t";
+
+ switch( f )
+ {
+ case CF_TEXT:
+ s += "TEXT";
+ break;
+ case CF_BITMAP:
+ s += "BITMAP";
+ break;
+ default:
+ {
+ WCHAR buf[128];
+ GetClipboardFormatNameW( f, buf, SAL_N_ELEMENTS(buf) );
+ s += o3tl::toU(buf);
+ }
+ break;
+ }
+
+ }
+ s += "\r\n";
+
+ return s;
+}
+
+OUString DdeService::Status()
+{
+ return "Ready\r\n";
+}
+
+bool DdeTopic::MakeItem( const OUString& )
+{
+ return false;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */