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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_SHELL_SOURCE_WIN32_SHLXTHANDLER_OOOFILT_OOOFILT_HXX
#define INCLUDED_SHELL_SOURCE_WIN32_SHLXTHANDLER_OOOFILT_OOOFILT_HXX
#include <types.hxx>
//+-------------------------------------------------------------------------
// Contents: LibreOffice filter declarations
// Platform: Windows 2000, Windows XP
//+-------------------------------------------------------------------------
class CContentReader;
class CMetaInfoReader;
class CFullPropSpec;
LONG g_lInstances = 0; // Global count of COooFilter and COooFilterCF instances
GUID const guidStorage = PSGUID_STORAGE; // GUID for storage property set
//C-------------------------------------------------------------------------
// Class: COooFilter
// Purpose: Implements interfaces of LibreOffice filter
// OooFilter Class ID
// {7BC0E710-5703-45be-A29D-5D46D8B39262}
GUID const CLSID_COooFilter =
{
0x7bc0e710,
0x5703,
0x45be,
{ 0xa2, 0x9d, 0x5d, 0x46, 0xd8, 0xb3, 0x92, 0x62 }
};
// LibreOffice Persistent Handler Class ID
// {7BC0E713-5703-45be-A29D-5D46D8B39262}
const CLSID CLSID_PERSISTENT_HANDLER =
{0x7bc0e713, 0x5703, 0x45be, {0xa2, 0x9d, 0x5d, 0x46, 0xd8, 0xb3, 0x92, 0x62}};
// LibreOffice Persistent Handler Addin Registered Class ID
// {89BCB740-6119-101A-BCB7-00DD010655AF}
const CLSID CLSID_PERSISTENT_HANDLER_ADDIN =
{0x89bcb740, 0x6119, 0x101a, {0xbc, 0xb7, 0x00, 0xdd, 0x01, 0x06, 0x55, 0xaf}};
// LibreOffice Filter Handler Class ID
// {7BC0E710-5703-45be-A29D-5D46D8B39262}
const CLSID CLSID_FILTER_HANDLER =
{0x7bc0e710, 0x5703, 0x45be, {0xa2, 0x9d, 0x5d, 0x46, 0xd8, 0xb3, 0x92, 0x62}};
enum class FilterState
{
FilteringContent, // Filtering the content property
FilteringProperty // Filtering the pseudo property
};
class COooFilter : public IFilter, public IPersistFile, public IPersistStream
{
public:
// From IUnknown
virtual HRESULT STDMETHODCALLTYPE QueryInterface(
REFIID riid,
void ** ppvObject) override;
virtual ULONG STDMETHODCALLTYPE AddRef() override;
virtual ULONG STDMETHODCALLTYPE Release() override;
// From IFilter
virtual SCODE STDMETHODCALLTYPE Init(
ULONG grfFlags,
ULONG cAttributes,
FULLPROPSPEC const * aAttributes,
ULONG * pFlags) override;
virtual SCODE STDMETHODCALLTYPE GetChunk(
STAT_CHUNK * pStat) override;
virtual SCODE STDMETHODCALLTYPE GetText(
ULONG * pcwcBuffer,
WCHAR * awcBuffer) override;
virtual SCODE STDMETHODCALLTYPE GetValue(
PROPVARIANT ** ppPropValue) override;
virtual SCODE STDMETHODCALLTYPE BindRegion(
FILTERREGION origPos,
REFIID riid,
void ** ppunk) override;
// From IPersistFile
virtual HRESULT STDMETHODCALLTYPE GetClassID(
CLSID * pClassID) override;
virtual HRESULT STDMETHODCALLTYPE IsDirty() override;
virtual HRESULT STDMETHODCALLTYPE Load(
LPCOLESTR pszFileName,
DWORD dwMode) override;
virtual HRESULT STDMETHODCALLTYPE Save(
LPCOLESTR pszFileName,
BOOL fRemember) override;
virtual HRESULT STDMETHODCALLTYPE SaveCompleted(
LPCOLESTR pszFileName) override;
virtual HRESULT STDMETHODCALLTYPE GetCurFile(
LPOLESTR * ppszFileName) override;
// From IPersistStream
virtual HRESULT STDMETHODCALLTYPE Load(
IStream *pStm) override;
virtual HRESULT STDMETHODCALLTYPE Save(
IStream *pStm,
BOOL fClearDirty) override;
virtual HRESULT STDMETHODCALLTYPE GetSizeMax(
ULARGE_INTEGER *pcbSize) override;
private:
friend class COooFilterCF;
COooFilter();
virtual ~COooFilter();
LONG m_lRefs; // Reference count
CContentReader * m_pContentReader; // A content reader that retrieves document content.
CMetaInfoReader * m_pMetaInfoReader; // A metainfo reader that retrieves document metainfo.
FilterState m_eState; // State of filtering
::std::wstring m_pwszFileName; // Name of input file to filter
ULONG m_ulUnicodeBufferLen; // UNICODE Characters read from file to chunk buffer
ULONG m_ulUnicodeCharsRead; // UNICODE Characters read from chunk buffer
ULONG m_ulPropertyNum; // Number of properties that has been processed
ULONG m_ulCurrentPropertyNum; // Current Property that is processing;
ULONG m_ulChunkID; // Current chunk id
bool m_fContents; // TRUE if contents requested
bool m_fEof; // TRUE if end of file reached
::std::wstring m_pwsBuffer; // Buffer to save UNICODE content from ChunkBuffer.
ULONG m_ChunkPosition; // Chunk pointer to specify the current Chunk;
ULONG m_cAttributes; // Count of attributes
CFullPropSpec * m_pAttributes; // Attributes to filter
StreamInterface * m_pStream;
};
//C-------------------------------------------------------------------------
// Class: COooFilterCF
// Purpose: Implements class factory for LibreOffice filter
class COooFilterCF : public IClassFactory
{
public:
// From IUnknown
virtual HRESULT STDMETHODCALLTYPE QueryInterface(
REFIID riid,
void ** ppvObject) override;
virtual ULONG STDMETHODCALLTYPE AddRef() override;
virtual ULONG STDMETHODCALLTYPE Release() override;
// From IClassFactory
virtual HRESULT STDMETHODCALLTYPE CreateInstance(
IUnknown * pUnkOuter,
REFIID riid, void ** ppvObject) override;
virtual HRESULT STDMETHODCALLTYPE LockServer(
BOOL fLock) override;
private:
friend HRESULT STDMETHODCALLTYPE DllGetClassObject(
REFCLSID cid,
REFIID iid,
LPVOID * ppvObj);
COooFilterCF();
virtual ~COooFilterCF();
LONG m_lRefs; // Reference count
};
#endif // INCLUDED_SHELL_SOURCE_WIN32_SHLXTHANDLER_OOOFILT_OOOFILT_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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