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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef OOX_XLS_EXCELHANDLERS_HXX
#define OOX_XLS_EXCELHANDLERS_HXX
#include "oox/core/fragmenthandler2.hxx"
#include "worksheethelper.hxx"
namespace oox {
namespace xls {
// ============================================================================
// ============================================================================
/** Context handler derived from the WorkbookHelper helper class.
Used to import contexts in global workbook fragments.
*/
class WorkbookContextBase : public ::oox::core::ContextHandler2, public WorkbookHelper
{
public:
template< typename ParentType >
inline explicit WorkbookContextBase( ParentType& rParent ) :
::oox::core::ContextHandler2( rParent ), WorkbookHelper( rParent ) {}
};
// ============================================================================
/** Context handler derived from the WorksheetHelper helper class.
Used to import contexts in sheet fragments.
*/
class WorksheetContextBase : public ::oox::core::ContextHandler2, public WorksheetHelper
{
public:
template< typename ParentType >
inline explicit WorksheetContextBase( ParentType& rParent ) :
::oox::core::ContextHandler2( rParent ), WorksheetHelper( rParent ) {}
};
// ============================================================================
/** Fragment handler derived from the WorkbookHelper helper class.
Used to import global workbook fragments.
*/
class WorkbookFragmentBase : public ::oox::core::FragmentHandler2, public WorkbookHelper
{
public:
explicit WorkbookFragmentBase(
const WorkbookHelper& rHelper,
const ::rtl::OUString& rFragmentPath );
};
// ============================================================================
/** Fragment handler derived from the WorksheetHelper helper class.
Used to import sheet fragments.
*/
class WorksheetFragmentBase : public ::oox::core::FragmentHandler2, public WorksheetHelper
{
public:
explicit WorksheetFragmentBase(
const WorksheetHelper& rHelper,
const ::rtl::OUString& rFragmentPath );
};
// ============================================================================
// ============================================================================
/** Base class for all BIFF context handlers.
Derived handlers have to implement the importRecord() function that has to
import the record the passed BIFF input stream currently points to.
*/
class BiffContextHandler
{
public:
virtual ~BiffContextHandler();
/** Derived classes have to implement importing the current record. */
virtual void importRecord( BiffInputStream& rStrm ) = 0;
};
// ----------------------------------------------------------------------------
/** Context handler derived from the WorksheetHelper helper class.
Used to import contexts in sheet fragments.
*/
class BiffWorksheetContextBase : public BiffContextHandler, public WorksheetHelper
{
protected:
explicit BiffWorksheetContextBase( const WorksheetHelper& rHelper );
};
// ============================================================================
/** An enumeration for all types of fragments in a BIFF workbook stream. */
enum BiffFragmentType
{
BIFF_FRAGMENT_GLOBALS, /// Workbook globals fragment.
BIFF_FRAGMENT_WORKSHEET, /// Worksheet fragment.
BIFF_FRAGMENT_CHARTSHEET, /// Chart sheet fragment.
BIFF_FRAGMENT_MACROSHEET, /// Macro sheet fragment.
BIFF_FRAGMENT_MODULESHEET, /// BIFF5 VB module fragment.
BIFF_FRAGMENT_EMPTYSHEET, /// Sheet fragment of unsupported type.
BIFF_FRAGMENT_WORKSPACE, /// BIFF4 workspace/workbook globals.
BIFF_FRAGMENT_UNKNOWN /// Unknown fragment/error.
};
// ----------------------------------------------------------------------------
class BiffFragmentHandler
{
public:
/** Opens the stream with the passed full name. */
explicit BiffFragmentHandler(
const ::oox::core::FilterBase& rFilter,
const ::rtl::OUString& rStrmName );
virtual ~BiffFragmentHandler();
/** Imports the fragment, returns true, if EOF record has been reached. */
virtual bool importFragment() = 0;
protected:
/** Returns the BIFF input stream of this fragment. */
inline BiffInputStream& getInputStream() { return *mxBiffStrm; }
/** Skips the current fragment up to its trailing EOF record.
Skips all records until next EOF record. When this function returns,
stream points to the EOF record, and the next call of startNextRecord()
at the stream will start the record following the EOF record.
Embedded fragments enclosed in BOF/EOF records (e.g. embedded chart
objects) are skipped correctly.
@return True = stream points to the EOF record of the current fragment.
*/
bool skipFragment();
private:
typedef ::boost::shared_ptr< BinaryXInputStream > XInputStreamRef;
typedef ::boost::shared_ptr< BiffInputStream > BiffInputStreamRef;
XInputStreamRef mxXInStrm;
BiffInputStreamRef mxBiffStrm;
};
// ----------------------------------------------------------------------------
/** Fragment handler derived from the WorkbookHelper helper class.
Used to import global workbook fragments.
*/
class BiffWorkbookFragmentBase : public BiffFragmentHandler, public WorkbookHelper
{
protected:
explicit BiffWorkbookFragmentBase(
const WorkbookHelper& rHelper,
const ::rtl::OUString& rStrmName,
bool bCloneDecoder = false );
};
// ----------------------------------------------------------------------------
} // namespace xls
} // namespace oox
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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