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| -rw-r--r-- | include/sot/storage.hxx | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/include/sot/storage.hxx b/include/sot/storage.hxx new file mode 100644 index 000000000..4fc2efab4 --- /dev/null +++ b/include/sot/storage.hxx @@ -0,0 +1,165 @@ +/* -*- 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_SOT_STORAGE_HXX +#define INCLUDED_SOT_STORAGE_HXX + +#include <sot/object.hxx> +#include <tools/stream.hxx> +#include <tools/globname.hxx> +#include <vcl/errcode.hxx> +#include <sot/storinfo.hxx> +#include <sot/sotdllapi.h> + +namespace com::sun::star::embed { class XStorage; } +namespace com::sun::star::uno { class Any; } +namespace com::sun::star::uno { template <typename > class Reference; } + +enum class SotClipboardFormatId : sal_uInt32; + +class BaseStorageStream; + +class SOT_DLLPUBLIC SotStorageStream final : virtual public SotObject, public SvStream +{ +friend class SotStorage; + BaseStorageStream * pOwnStm; // pointer to the own stream + + virtual std::size_t GetData(void* pData, std::size_t nSize) override; + virtual std::size_t PutData(const void* pData, std::size_t nSize) override; + virtual sal_uInt64 SeekPos(sal_uInt64 nPos) override; + virtual void FlushData() override; + + virtual ~SotStorageStream() override; +public: + SotStorageStream(OUString const & rString, + StreamMode = StreamMode::STD_READWRITE); + SotStorageStream(BaseStorageStream *pBaseStream); + + virtual void ResetError() override; + + virtual void SetSize(sal_uInt64 nNewSize) override; + sal_uInt32 GetSize() const; + void CopyTo(SotStorageStream * pDestStm); + bool Commit(); + bool SetProperty(OUString const & rName, css::uno::Any const & rValue); + virtual sal_uInt64 TellEnd() override; +}; + +class BaseStorage; +class SOT_DLLPUBLIC SotStorage : virtual public SotObject +{ +friend class SotStorageStream; + + BaseStorage* m_pOwnStg; // target storage + SvStream* m_pStorStm; // only for SDSTORAGES + ErrCode m_nError; + OUString m_aName;// name of the storage + bool m_bIsRoot; // e.g.: File Storage + bool m_bDelStm; + OString m_aKey; // aKey.Len != 0 -> encryption + sal_Int32 m_nVersion; + +protected: + virtual ~SotStorage() override; + void CreateStorage(bool bUCBStorage, StreamMode); +public: + SotStorage(OUString const & rString, StreamMode eMode = StreamMode::STD_READWRITE); + SotStorage(bool bUCBStorage, const OUString & rString, + StreamMode = StreamMode::STD_READWRITE); + SotStorage(BaseStorage * pStorage); + SotStorage(SvStream & rStream); + SotStorage(bool bUCBStorage, SvStream & rStream); + SotStorage(SvStream * rStream, bool bDelete); + + std::unique_ptr<SvMemoryStream> CreateMemoryStream(); + + static bool IsStorageFile(OUString const & rFileName); + static bool IsStorageFile(SvStream* pStream); + + const OUString& GetName() const; + + bool Validate(); + + const OString& GetKey() const { return m_aKey;} + + void SetVersion(sal_Int32 nVersion) + { + m_nVersion = nVersion; + } + sal_Int32 GetVersion() const + { + return m_nVersion; + } + + ErrCode GetError() const + { + return m_nError.IgnoreWarning(); + } + void SetError(ErrCode nErrorCode) + { + if (m_nError == ERRCODE_NONE) + m_nError = nErrorCode; + } + + void SignAsRoot(bool bRoot) { m_bIsRoot = bRoot; } + + // own data sector + void SetClass(const SvGlobalName & rClass, + SotClipboardFormatId bOriginalClipFormat, + const OUString & rUserTypeName); + + SvGlobalName GetClassName(); // type of data in the storage + SotClipboardFormatId GetFormat(); + OUString GetUserName(); + + // list of all elements + void FillInfoList(SvStorageInfoList *) const; + bool CopyTo(SotStorage * pDestStg); + bool Commit(); + + // create stream with connection to Storage, + // more or less a Parent-Child relationship + SotStorageStream* OpenSotStream(const OUString & rEleName, + StreamMode = StreamMode::STD_READWRITE); + SotStorage* OpenSotStorage(const OUString & rEleName, + StreamMode = StreamMode::STD_READWRITE, + bool transacted = true); + + // query whether Storage or Stream + bool IsStream( const OUString & rEleName ) const; + bool IsStorage( const OUString & rEleName ) const; + bool IsContained( const OUString & rEleName ) const; + // remove element + bool Remove(const OUString & rEleName); + bool CopyTo(const OUString & rEleName, SotStorage* pDest, + const OUString & rNewName); + + bool IsOLEStorage() const; + static bool IsOLEStorage(const OUString & rFileName); + static bool IsOLEStorage(SvStream* pStream); + + static SotStorage* OpenOLEStorage(css::uno::Reference<css::embed::XStorage> const & xStorage, + OUString const & rEleName, StreamMode = StreamMode::STD_READWRITE); + static SotClipboardFormatId GetFormatID(css::uno::Reference<css::embed::XStorage> const & xStorage); + static sal_Int32 GetVersion(css::uno::Reference<css::embed::XStorage> const & xStorage); +}; + +#endif // INCLUDED_SOT_STORAGE_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |