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

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

4 files changed, 729 insertions, 0 deletions

diff --git a/include/store/store.h b/include/store/store.h
new file mode 100644
index 000000000..2fdfa4a30
--- /dev/null
+++ b/include/store/store.h
@@ -0,0 +1,217 @@
+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <store/storedllapi.h>
+#include <store/types.h>
+#include <rtl/ustring.h>
+#include <sal/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Handle opaque type.
+ */
+typedef void* storeHandle;
+
+/** Acquire a Handle.
+    @param  Handle [in] the Handle.
+    @return store_E_None upon success
+ */
+STORE_DLLPUBLIC storeError store_acquireHandle (
+    storeHandle Handle
+) SAL_THROW_EXTERN_C();
+
+/** Release a Handle.
+    @param  Handle [in] the Handle.
+    @return store_E_None          upon success,
+            store_E_InvalidHandle otherwise.
+ */
+STORE_DLLPUBLIC storeError store_releaseHandle (
+    storeHandle Handle
+) SAL_THROW_EXTERN_C();
+
+/** File Handle opaque type.
+ */
+typedef void* storeFileHandle;
+
+/** Open a temporary file in memory.
+    @param  nPageSize [in] the creation page size,
+            integer multiple of minimum page size.
+    @param  phFile [out] the File Handle.
+    @return store_E_None upon success
+ */
+STORE_DLLPUBLIC storeError store_createMemoryFile (
+    sal_uInt16       nPageSize,
+    storeFileHandle *phFile
+) SAL_THROW_EXTERN_C();
+
+/** Open a file.
+    @param  pFilename [in] the filename as URL or system path.
+    @param  eAccessMode [in] the access mode.
+            storeAccessMode::Create     truncate existing and create,
+            store_AccessReadCreate create not existing,
+            storeAccessMode::ReadWrite  write existing,
+            storeAccessMode::ReadOnly   never modifies.
+    @param  nPageSize [in] the creation page size,
+            integer multiple of minimum page size.
+    @param  phFile [out] the File Handle.
+    @return store_E_None upon success
+ */
+STORE_DLLPUBLIC storeError store_openFile (
+    rtl_uString     *pFilename,
+    storeAccessMode  eAccessMode,
+    sal_uInt16       nPageSize,
+    storeFileHandle *phFile
+) SAL_THROW_EXTERN_C();
+
+/** Close a file.
+    @param  hFile [in] the File Handle.
+    @return store_E_None upon     success,
+            store_E_InvalidHandle otherwise.
+ */
+STORE_DLLPUBLIC storeError store_closeFile (
+    storeFileHandle hFile
+) SAL_THROW_EXTERN_C();
+
+/** Flush a file.
+    @param  hFile [in] the File Handle.
+    @return store_E_None upon success
+ */
+STORE_DLLPUBLIC storeError store_flushFile (
+    storeFileHandle hFile
+) SAL_THROW_EXTERN_C();
+
+/** Directory Handle opaque type.
+ */
+typedef void* storeDirectoryHandle;
+
+/** Open a directory.
+    @see store_openFile()
+
+    @param  hFile [in] the File Handle.
+    @param  pPath [in] the directory path.
+    @param  pName [in] the directory name.
+    @param  eAccessMode [in] the access mode.
+    @param  phDirectory [out] the Directory Handle.
+    @return store_E_None upon success
+ */
+STORE_DLLPUBLIC storeError store_openDirectory (
+    storeFileHandle       hFile,
+    rtl_uString const    *pPath,
+    rtl_uString const    *pName,
+    storeAccessMode       eAccessMode,
+    storeDirectoryHandle *phDirectory
+) SAL_THROW_EXTERN_C();
+
+/** Find first directory entry.
+    @param  hDirectory [in] the Directory Handle.
+    @param  pFindData [out] the Find Data structure.
+    @return store_E_None       upon success,
+            store_E_NoMoreFile upon end of iteration.
+ */
+STORE_DLLPUBLIC storeError store_findFirst (
+    storeDirectoryHandle  hDirectory,
+    storeFindData        *pFindData
+) SAL_THROW_EXTERN_C();
+
+/** Find next directory entry.
+    @param  hDirectory [in] the Directory Handle.
+    @param  pFindData [out] the Find Data structure.
+    @return store_E_None       upon success,
+            store_E_NoMoreFile upon end of iteration.
+ */
+STORE_DLLPUBLIC storeError store_findNext (
+    storeDirectoryHandle  hDirectory,
+    storeFindData        *pFindData
+) SAL_THROW_EXTERN_C();
+
+/** Stream Handle opaque type.
+ */
+typedef void* storeStreamHandle;
+
+/** Open a stream.
+    @see store_openFile()
+
+    @param  hFile [in] the File Handle.
+    @param  pPath [in] the stream path.
+    @param  pName [in] the stream name.
+    @param  eMode [in] the access mode.
+    @param  phStrm [out] the Stream Handle.
+    @return store_E_None upon success
+ */
+STORE_DLLPUBLIC storeError store_openStream (
+    storeFileHandle    hFile,
+    rtl_uString const *pPath,
+    rtl_uString const *pName,
+    storeAccessMode    eMode,
+    storeStreamHandle *phStrm
+) SAL_THROW_EXTERN_C();
+
+/** Read from a stream.
+    @param  hStrm [in] the Stream Handle.
+    @param  nOffset [in] the offset of the first byte to read.
+    @param  pBuffer [out] the buffer.
+    @param  nBytes [in] the number of bytes to read.
+    @param  pnDone [out] the number of bytes actually read.
+    @return store_E_None upon success
+ */
+STORE_DLLPUBLIC storeError store_readStream (
+    storeStreamHandle  hStrm,
+    sal_uInt32         nOffset,
+    void              *pBuffer,
+    sal_uInt32         nBytes,
+    sal_uInt32        *pnDone
+) SAL_THROW_EXTERN_C();
+
+/** Write to a stream.
+    @param  hStrm [in] the Stream Handle.
+    @param  nOffset [in] the offset of the first byte to write.
+    @param  pBuffer [in] the buffer.
+    @param  nBytes [in] the number of bytes to write.
+    @param  pnDone [out] the number of bytes actually written.
+    @return store_E_None upon success
+ */
+STORE_DLLPUBLIC storeError store_writeStream (
+    storeStreamHandle  hStrm,
+    sal_uInt32         nOffset,
+    const void        *pBuffer,
+    sal_uInt32         nBytes,
+    sal_uInt32        *pnDone
+) SAL_THROW_EXTERN_C();
+
+/** Remove a file entry.
+    @param  hFile [in] the File Handle
+    @param  pPath [in] the entry path
+    @param  pName [in] the entry name
+    @return store_E_None upon success
+ */
+STORE_DLLPUBLIC storeError store_remove (
+    storeFileHandle hFile,
+    rtl_uString const *pPath,
+    rtl_uString const *pName
+) SAL_THROW_EXTERN_C();
+
+#ifdef __cplusplus
+}
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/include/store/store.hxx b/include/store/store.hxx
new file mode 100644
index 000000000..d32ceefbe
--- /dev/null
+++ b/include/store/store.hxx
@@ -0,0 +1,353 @@
+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <store/store.h>
+#include <sal/types.h>
+#include <rtl/ustring.hxx>
+#include <store/types.h>
+
+namespace store
+{
+
+class OStoreStream
+{
+public:
+    /** Construction.
+     */
+    OStoreStream()
+        : m_hImpl (nullptr)
+    {}
+
+    /** Destruction.
+     */
+    ~OStoreStream()
+    {
+        if (m_hImpl)
+            (void) store_releaseHandle (m_hImpl);
+    }
+
+    /** Copy construction.
+     */
+    OStoreStream (OStoreStream const & rhs)
+        : m_hImpl (rhs.m_hImpl)
+    {
+        if (m_hImpl)
+            (void) store_acquireHandle (m_hImpl);
+    }
+
+    /** Assignment.
+     */
+    OStoreStream & operator= (OStoreStream const & rhs)
+    {
+        if (rhs.m_hImpl)
+            (void) store_acquireHandle (rhs.m_hImpl);
+        if (m_hImpl)
+            (void) store_releaseHandle (m_hImpl);
+        m_hImpl = rhs.m_hImpl;
+        return *this;
+    }
+
+    /** Open the stream.
+        @see store_openStream()
+     */
+    storeError create (
+        storeFileHandle       hFile,
+        OUString const & rPath,
+        OUString const & rName,
+        storeAccessMode       eMode)
+    {
+        if (m_hImpl)
+        {
+            (void) store_releaseHandle (m_hImpl);
+            m_hImpl = nullptr;
+        }
+        return store_openStream (hFile, rPath.pData, rName.pData, eMode, &m_hImpl);
+    }
+
+    /** Read from the stream.
+        @see store_readStream()
+     */
+    storeError readAt (
+        sal_uInt32   nOffset,
+        void *       pBuffer,
+        sal_uInt32   nBytes,
+        sal_uInt32 & rnDone)
+    {
+        if (!m_hImpl)
+            return store_E_InvalidHandle;
+
+        return store_readStream (m_hImpl, nOffset, pBuffer, nBytes, &rnDone);
+    }
+
+    /** Write to the stream.
+        @see store_writeStream()
+     */
+    storeError writeAt (
+        sal_uInt32   nOffset,
+        void const * pBuffer,
+        sal_uInt32   nBytes,
+        sal_uInt32 & rnDone)
+    {
+        if (!m_hImpl)
+            return store_E_InvalidHandle;
+
+        return store_writeStream (m_hImpl, nOffset, pBuffer, nBytes, &rnDone);
+    }
+
+private:
+    /** Representation.
+     */
+    storeStreamHandle m_hImpl;
+};
+
+class OStoreDirectory
+{
+public:
+    /** Construction.
+     */
+    OStoreDirectory()
+        : m_hImpl (nullptr)
+    {}
+
+    /** Destruction.
+     */
+    ~OStoreDirectory()
+    {
+        if (m_hImpl)
+            (void) store_releaseHandle (m_hImpl);
+    }
+
+    /** Copy construction.
+     */
+    OStoreDirectory (OStoreDirectory const & rhs)
+        : m_hImpl (rhs.m_hImpl)
+    {
+        if (m_hImpl)
+            (void) store_acquireHandle (m_hImpl);
+    }
+
+    /** Move construction.
+     */
+    OStoreDirectory (OStoreDirectory && rhs) noexcept
+        : m_hImpl (rhs.m_hImpl)
+    {
+        rhs.m_hImpl = nullptr;
+    }
+
+    /** Assignment.
+     */
+    OStoreDirectory & operator= (OStoreDirectory const & rhs)
+    {
+        if (rhs.m_hImpl)
+            (void) store_acquireHandle (rhs.m_hImpl);
+        if (m_hImpl)
+            (void) store_releaseHandle (m_hImpl);
+        m_hImpl = rhs.m_hImpl;
+        return *this;
+    }
+
+    /** Move assignment.
+     */
+    OStoreDirectory & operator= (OStoreDirectory && rhs) noexcept
+    {
+        if (m_hImpl)
+            (void) store_releaseHandle (m_hImpl);
+        m_hImpl = rhs.m_hImpl;
+        rhs.m_hImpl = nullptr;
+        return *this;
+    }
+
+    /** Open the directory.
+        @see store_openDirectory()
+     */
+    storeError create (
+        storeFileHandle       hFile,
+        OUString const & rPath,
+        OUString const & rName,
+        storeAccessMode       eMode)
+    {
+        if (m_hImpl)
+        {
+            (void) store_releaseHandle (m_hImpl);
+            m_hImpl = nullptr;
+        }
+        return store_openDirectory (hFile, rPath.pData, rName.pData, eMode, &m_hImpl);
+    }
+
+    /** Directory iterator type.
+        @see first()
+        @see next()
+     */
+    typedef storeFindData iterator;
+
+    /** Find first directory entry.
+        @see store_findFirst()
+     */
+    storeError first (iterator& it)
+    {
+        if (!m_hImpl)
+            return store_E_InvalidHandle;
+
+        return store_findFirst (m_hImpl, &it);
+    }
+
+    /** Find next directory entry.
+        @see store_findNext()
+     */
+    storeError next (iterator& it)
+    {
+        if (!m_hImpl)
+            return store_E_InvalidHandle;
+
+        return store_findNext (m_hImpl, &it);
+    }
+
+private:
+    /** Representation.
+     */
+    storeDirectoryHandle m_hImpl;
+};
+
+class OStoreFile
+{
+public:
+    /** Construction.
+     */
+    OStoreFile()
+        : m_hImpl (nullptr)
+    {}
+
+    /** Destruction.
+     */
+    ~OStoreFile()
+    {
+        if (m_hImpl)
+            (void) store_releaseHandle (m_hImpl);
+    }
+
+    /** Copy construction.
+     */
+    OStoreFile (OStoreFile const & rhs)
+        : m_hImpl (rhs.m_hImpl)
+    {
+        if (m_hImpl)
+            (void) store_acquireHandle (m_hImpl);
+    }
+
+    /** Assignment.
+     */
+    OStoreFile & operator= (OStoreFile const & rhs)
+    {
+        if (rhs.m_hImpl)
+            (void) store_acquireHandle (rhs.m_hImpl);
+        if (m_hImpl)
+            (void) store_releaseHandle (m_hImpl);
+        m_hImpl = rhs.m_hImpl;
+        return *this;
+    }
+
+    /** Conversion into File Handle.
+     */
+    operator storeFileHandle() const
+    {
+        return m_hImpl;
+    }
+
+    /** Check for a valid File Handle.
+        @return sal_True if valid, sal_False otherwise.
+     */
+    bool isValid() const
+    {
+        return (m_hImpl != nullptr);
+    }
+
+    /** Open the file.
+        @see store_openFile()
+     */
+    storeError create(
+        OUString const & rFilename,
+        storeAccessMode       eAccessMode )
+    {
+        if (m_hImpl)
+        {
+            (void) store_releaseHandle (m_hImpl);
+            m_hImpl = nullptr;
+        }
+        return store_openFile (rFilename.pData, eAccessMode, STORE_DEFAULT_PAGESIZE, &m_hImpl);
+    }
+
+    /** Open the temporary file in memory.
+        @see store_createMemoryFile()
+     */
+    storeError createInMemory ()
+    {
+        if (m_hImpl)
+        {
+            (void) store_releaseHandle (m_hImpl);
+            m_hImpl = nullptr;
+        }
+        return store_createMemoryFile (STORE_DEFAULT_PAGESIZE, &m_hImpl);
+    }
+
+    /** Close the file.
+        @see store_closeFile()
+     */
+    void close()
+    {
+        if (m_hImpl)
+        {
+            (void) store_closeFile (m_hImpl);
+            m_hImpl = nullptr;
+        }
+    }
+
+    /** Flush the file.
+        @see store_flushFile()
+     */
+    storeError flush() const
+    {
+        if (!m_hImpl)
+            return store_E_InvalidHandle;
+
+        return store_flushFile (m_hImpl);
+    }
+
+    /** Remove a file entry.
+        @see store_remove()
+     */
+    storeError remove (
+        OUString const & rPath, OUString const & rName)
+    {
+        if (!m_hImpl)
+            return store_E_InvalidHandle;
+
+        return store_remove (m_hImpl, rPath.pData, rName.pData);
+    }
+
+private:
+    /** Representation.
+     */
+    storeFileHandle m_hImpl;
+};
+
+} // namespace store
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/include/store/storedllapi.h b/include/store/storedllapi.h
new file mode 100644
index 000000000..14a0d2feb
--- /dev/null
+++ b/include/store/storedllapi.h
@@ -0,0 +1,29 @@
+/* -*- 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 .
+ */
+#pragma once
+
+#include <sal/types.h>
+
+#if defined(STORE_DLLIMPLEMENTATION)
+#define STORE_DLLPUBLIC SAL_DLLPUBLIC_EXPORT
+#else
+#define STORE_DLLPUBLIC SAL_DLLPUBLIC_IMPORT
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/include/store/types.h b/include/store/types.h
new file mode 100644
index 000000000..7abf012ea
--- /dev/null
+++ b/include/store/types.h
@@ -0,0 +1,130 @@
+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <sal/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** PageSize (recommended) default.
+    @see store_openFile()
+ */
+constexpr sal_uInt16 STORE_DEFAULT_PAGESIZE = 0x0400;
+
+
+/** PageSize (enforced) limits.
+    @see store_openFile()
+ */
+constexpr sal_uInt16 STORE_MINIMUM_PAGESIZE = 0x0200;
+constexpr sal_uInt16 STORE_MAXIMUM_PAGESIZE = 0x8000;
+
+
+/** NameSize (enforced) limit.
+    @see any param pName
+    @see store_E_NameTooLong
+ */
+constexpr auto STORE_MAXIMUM_NAMESIZE = 256;
+
+
+/** Attributes (predefined).
+    @see store_attrib()
+ */
+constexpr sal_uInt32 STORE_ATTRIB_ISLINK = 0x10000000;
+constexpr sal_uInt32 STORE_ATTRIB_ISDIR = 0x20000000;
+constexpr sal_uInt32 STORE_ATTRIB_ISFILE = 0x40000000;
+
+
+/** Access Mode enumeration.
+    @see store_openFile()
+    @see store_openDirectory()
+    @see store_openStream()
+ */
+enum class storeAccessMode
+{
+    Create,
+    ReadWrite,
+    ReadOnly,
+    FORCE_EQUAL_SIZE = SAL_MAX_ENUM
+};
+
+
+/** Error Code enumeration.
+ */
+typedef enum
+{
+    store_E_None = 0,
+    store_E_AccessViolation,
+    store_E_LockingViolation,
+    store_E_CantSeek,
+    store_E_CantRead,
+    store_E_CantWrite,
+    store_E_InvalidAccess,
+    store_E_InvalidHandle,
+    store_E_InvalidParameter,
+    store_E_InvalidChecksum,
+    store_E_AlreadyExists,
+    store_E_NotExists,
+    store_E_NotDirectory,
+    store_E_NotFile,
+    store_E_NoMoreFiles,
+    store_E_NameTooLong,
+    store_E_OutOfMemory,
+    store_E_OutOfSpace,
+    store_E_Pending,
+    store_E_WrongFormat,
+    store_E_WrongVersion,
+    store_E_Unknown,
+    store_E_FORCE_EQUAL_SIZE = SAL_MAX_ENUM
+} storeError;
+
+
+/** Find Data structure.
+    @see store_findFirst()
+    @see store_findNext()
+ */
+typedef struct
+{
+    /** Name.
+        @see m_nLength
+     */
+    sal_Unicode m_pszName[STORE_MAXIMUM_NAMESIZE];
+
+    /** Name Length.
+        @see m_pszName
+     */
+    sal_Int32 m_nLength;
+
+    /** Attributes.
+        @see store_attrib()
+     */
+    sal_uInt32 m_nAttrib;
+
+    /** Reserved for internal use.
+     */
+    sal_uInt32 m_nReserved;
+} storeFindData;
+
+#ifdef __cplusplus
+}
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */