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DocumentServer-v-9.2.0/core/MsBinaryFile/DocFile/StructuredStorageReader.cpp
Yajbir Singh f1b860b25c
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updated
2025-12-11 19:03:17 +05:30

150 lines
4.2 KiB
C++

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