150 lines
4.2 KiB
C++
150 lines
4.2 KiB
C++
/*
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* (c) Copyright Ascensio System SIA 2010-2023
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*
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* This program is a free software product. You can redistribute it and/or
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* modify it under the terms of the GNU Affero General Public License (AGPL)
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* version 3 as published by the Free Software Foundation. In accordance with
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* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
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* that Ascensio System SIA expressly excludes the warranty of non-infringement
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* of any third-party rights.
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*
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* This program is distributed WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
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* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
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* street, Riga, Latvia, EU, LV-1050.
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*
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* The interactive user interfaces in modified source and object code versions
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* of the Program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU AGPL version 3.
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*
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* Pursuant to Section 7(b) of the License you must retain the original Product
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* logo when distributing the program. Pursuant to Section 7(e) we decline to
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* grant you any rights under trademark law for use of our trademarks.
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*
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* All the Product's GUI elements, including illustrations and icon sets, as
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* well as technical writing content are licensed under the terms of the
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* Creative Commons Attribution-ShareAlike 4.0 International. See the License
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* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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*/
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#include "StructuredStorageReader.h"
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namespace DocFileFormat
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{
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StructuredStorageReader::StructuredStorageReader () : m_pStorage(NULL)
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{
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}
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StructuredStorageReader::~StructuredStorageReader()
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{
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if(m_pStorage)
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{
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delete m_pStorage;
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m_pStorage = NULL;
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}
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}
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bool StructuredStorageReader::SetFile (const wchar_t* filename)
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{
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m_pStorage = new POLE::Storage(filename);
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if (m_pStorage)//return true;
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{
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return m_pStorage->open();
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}
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return false;
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}
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bool StructuredStorageReader::isDirectory( const std::wstring& name )
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{
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if (!m_pStorage) return false;
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return m_pStorage->isDirectory(name);
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}
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bool StructuredStorageReader::GetStream (const std::wstring & path, POLE::Stream** ppStream)
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{
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if (( m_pStorage != NULL ) && ( !path.empty() ))
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{
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*ppStream = new POLE::Stream(m_pStorage, path.c_str());
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}
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if ((*ppStream) && ((*ppStream)->size() > 0))
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return true;
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return false;
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}
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void StructuredStorageReader::copy( int indent, std::wstring path, POLE::Storage * storageOut, bool withRoot)
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{
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std::list<std::wstring> entries, entries_sort;
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entries = m_pStorage->entries_with_prefix( path );
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for( std::list<std::wstring>::iterator it = entries.begin(); it != entries.end(); ++it )
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{
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std::wstring name = *it;
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std::wstring fullname = path + name;
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if( m_pStorage->isDirectory( fullname ) )
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{
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entries_sort.push_back(name);
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}
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else
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{
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entries_sort.push_front(name);
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}
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}
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//for( std::list<std::string>::iterator it = entries.begin(); it != entries.end(); ++it )
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for( std::list<std::wstring>::iterator it = entries_sort.begin(); it != entries_sort.end(); ++it )
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{
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std::wstring name = *it;
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std::wstring fullname = path + name;
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if( m_pStorage->isDirectory( fullname ) )
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{
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copy( indent + 1, fullname + L"/", storageOut, withRoot );
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}
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else
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{
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copy_stream(fullname, storageOut, withRoot);
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}
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}
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}
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void StructuredStorageReader::copy_stream(std::wstring streamName, POLE::Storage * storageOut, bool withRoot)
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{
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POLE::Stream *stream = new POLE::Stream(m_pStorage, streamName);
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if (!stream) return;
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stream->seek(0);
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POLE::int64 size_stream = stream->size();
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if (withRoot == false)
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{
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int pos = (int)streamName.find(L"/");
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if (pos >= 0)
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streamName = streamName.substr(pos + 1);
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}
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POLE::Stream *streamNew = new POLE::Stream(storageOut, streamName, true, size_stream);
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if (!streamNew) return;
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unsigned char* data_stream = new unsigned char[(unsigned int)size_stream];
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if (data_stream)
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{
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stream->read(data_stream, size_stream);
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streamNew->write(data_stream, size_stream);
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delete []data_stream;
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data_stream = NULL;
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}
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streamNew->flush();
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delete streamNew;
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delete stream;
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}
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}
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