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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:51:28 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:51:28 +0000
commit940b4d1848e8c70ab7642901a68594e8016caffc (patch)
treeeb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /connectivity/source/inc/ado/Aolewrap.hxx
parentInitial commit. (diff)
downloadlibreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.tar.xz
libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.zip
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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-rw-r--r--connectivity/source/inc/ado/Aolewrap.hxx225
1 files changed, 225 insertions, 0 deletions
diff --git a/connectivity/source/inc/ado/Aolewrap.hxx b/connectivity/source/inc/ado/Aolewrap.hxx
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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 .
+ */
+#ifndef INCLUDED_CONNECTIVITY_SOURCE_INC_ADO_AOLEWRAP_HXX
+#define INCLUDED_CONNECTIVITY_SOURCE_INC_ADO_AOLEWRAP_HXX
+
+#include <osl/diagnose.h>
+#include <osl/thread.h>
+#include <map>
+#include <vector>
+
+namespace rtl
+{
+ class OUString;
+}
+namespace connectivity
+{
+ namespace ado
+ {
+ class OLEVariant;
+ class WpBase
+ {
+ protected:
+ IDispatch* pIUnknown;
+
+ void setIDispatch(IDispatch* _pIUnknown);
+ public:
+ WpBase();
+ WpBase(IDispatch* pInt);
+ //inline
+ WpBase& operator=(const WpBase& rhs);
+ WpBase& operator=(IDispatch* rhs);
+ WpBase(const WpBase& aWrapper);
+ virtual ~WpBase();
+ void clear();
+
+
+ bool IsValid() const;
+ operator IDispatch*();
+
+ };
+
+ // Template class WpOLEBase<class T>
+ // ==================================
+ //
+ // Objects of this class contain a pointer to an interface of the type T.
+ // The ctors and operator= make sure, that AddRef() and Release() are being
+ // called adhering to COM conventions.
+ // An object can also hold no pointer (null pointer), calling IsValid() then
+ // returns false.
+ //
+ // In order to do efficient pass-by-value, this class (as all derived classes)
+ // is a thin wrapper class, avoiding virtual methods and inlining.
+
+ template<class T> class WpOLEBase : public WpBase
+ {
+ protected:
+ T* pInterface;
+
+ public:
+ WpOLEBase(T* pInt = nullptr) : WpBase(pInt),pInterface(pInt){}
+
+
+ //inline
+ WpOLEBase<T>& operator=(const WpOLEBase<T>& rhs)
+ {
+ WpBase::operator=(rhs);
+ pInterface = rhs.pInterface;
+ return *this;
+ };
+
+ WpOLEBase<T>& operator=(T* rhs)
+ {
+ WpBase::operator=(rhs);
+ pInterface = rhs.pInterface;
+ return *this;
+ }
+
+ WpOLEBase(const WpOLEBase<T>& aWrapper)
+ : WpBase( aWrapper )
+ , pInterface( aWrapper.pInterface )
+ {
+ }
+
+ operator T*() const { return pInterface; }
+ void setWithOutAddRef(T* _pInterface)
+ {
+ pInterface = _pInterface;
+ WpBase::setIDispatch(_pInterface);
+ }
+ };
+
+
+ // Template class WpOLECollection<class Ts, class T, class WrapT>
+ // ===============================================================
+ //
+ // This class (derived from WpOLEBase<Ts>), abstracts away the properties
+ // common to DAO collections:
+ //
+ // They are accessed via an interface Ts (e.g. DAOFields) and can return
+ // Items of the Type T (actually: with the interface T, e.g. DAOField)
+ // via get_Item (here GetItem).
+ //
+ // This wrapper class does not expose an interface T, however,
+ // it exposes an object of the class WrapT. This must allow a construction
+ // by T, preferably it is derived from WpOLEBase<T>.
+
+ template<class Ts, class T, class WrapT> class WpOLECollection : public WpOLEBase<Ts>
+ {
+ public:
+ using WpOLEBase<Ts>::pInterface;
+ using WpOLEBase<Ts>::IsValid;
+ // Ctors, operator=
+ // They only call the superclass
+ WpOLECollection(Ts* pInt=nullptr):WpOLEBase<Ts>(pInt){}
+ WpOLECollection(const WpOLECollection& rhs) : WpOLEBase<Ts>(rhs) {}
+ WpOLECollection& operator=(const WpOLECollection& rhs)
+ {WpOLEBase<Ts>::operator=(rhs); return *this;};
+
+
+ void Refresh(){pInterface->Refresh();}
+
+ sal_Int32 GetItemCount() const
+ {
+ sal_Int32 nCount = 0;
+ return pInterface ? (SUCCEEDED(pInterface->get_Count(&nCount)) ? nCount : sal_Int32(0)) : sal_Int32(0);
+ }
+
+ WrapT GetItem(sal_Int32 index) const
+ {
+ OSL_ENSURE(index >= 0 && index<GetItemCount(),"Wrong index for field!");
+ T* pT = NULL;
+ WrapT aRet(NULL);
+ if(SUCCEEDED(pInterface->get_Item(OLEVariant(index), &pT)))
+ aRet.setWithOutAddRef(pT);
+ return aRet;
+ }
+
+ WrapT GetItem(const OLEVariant& index) const
+ {
+ T* pT = NULL;
+ WrapT aRet(NULL);
+ if(SUCCEEDED(pInterface->get_Item(index, &pT)))
+ aRet.setWithOutAddRef(pT);
+ return aRet;
+ }
+
+ WrapT GetItem(const OUString& sStr) const
+ {
+ WrapT aRet(NULL);
+ T* pT = NULL;
+ if (FAILED(pInterface->get_Item(OLEVariant(sStr), &pT)))
+ {
+#if OSL_DEBUG_LEVEL > 0
+ OString sTemp("Unknown Item: " + OString(sStr.getStr(),sStr.getLength(),osl_getThreadTextEncoding()));
+ OSL_FAIL(sTemp.getStr());
+#endif
+ }
+ else
+ aRet.setWithOutAddRef(pT);
+ return aRet;
+ }
+ void fillElementNames(::std::vector< OUString>& _rVector)
+ {
+ if(IsValid())
+ {
+ Refresh();
+ sal_Int32 nCount = GetItemCount();
+ _rVector.reserve(nCount);
+ for(sal_Int32 i=0;i< nCount;++i)
+ {
+ WrapT aElement = GetItem(i);
+ if(aElement.IsValid())
+ _rVector.push_back(aElement.get_Name());
+ }
+ }
+ }
+ };
+
+ template<class Ts, class T, class WrapT> class WpOLEAppendCollection:
+ public WpOLECollection<Ts,T,WrapT>
+ {
+
+ public:
+ // Ctors, operator=
+ // They only call the superclass
+ using WpOLEBase<Ts>::pInterface;
+ WpOLEAppendCollection(Ts* pInt=nullptr):WpOLECollection<Ts,T,WrapT>(pInt){}
+ WpOLEAppendCollection(const WpOLEAppendCollection& rhs) : WpOLECollection<Ts, T, WrapT>(rhs) {}
+ WpOLEAppendCollection& operator=(const WpOLEAppendCollection& rhs)
+ {WpOLEBase<Ts>::operator=(rhs); return *this;};
+
+
+ bool Append(const WrapT& aWrapT)
+ {
+ return SUCCEEDED(pInterface->Append(OLEVariant(static_cast<T*>(aWrapT))));
+ };
+
+ bool Delete(const OUString& sName)
+ {
+ return SUCCEEDED(pInterface->Delete(OLEVariant(sName)));
+ };
+
+
+ };
+ }
+}
+#endif // INCLUDED_CONNECTIVITY_SOURCE_INC_ADO_AOLEWRAP_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */