core/Common/cfcpp/cfitem.cpp

/*
 * Copyright (C) Ascensio System SIA, 2009-2026
 *
 * 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, together with the
 * additional terms provided in the LICENSE file.
 *
 * 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: https://www.gnu.org/licenses/agpl-3.0.html
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 * You can contact Ascensio System SIA by email at info@onlyoffice.com
 * or by postal mail at 20A-6 Ernesta Birznieka-Upisha Street, Riga,
 * LV-1050, Latvia, European Union.
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 * The interactive user interfaces in modified versions of the Program
 * are required to display Appropriate Legal Notices in accordance with
 * Section 5 of the GNU AGPL version 3.
 *
 * No trademark rights are granted under this License.
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 * All non-code elements of the Product, including illustrations,
 * icon sets, and technical writing content, are licensed under the
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 *
 * This license applies only to such non-code elements and does not
 * modify or replace the licensing terms applicable to the Program's
 * source code, which remains licensed under the GNU Affero General
 * Public License v3.
 *
 * SPDX-License-Identifier: AGPL-3.0-only
 */
#include "cfitem.h"
#include "idirectoryentry.h"
#include "compoundfile_impl.h"
#include <cstring>


using namespace CFCPP;

_INT32 CFItem::CompareTo(const CFItem &other) const
{
    return dirEntry.lock()->CompareTo(std::dynamic_pointer_cast<RedBlackTree::IRBNode>(other.dirEntry.lock()));
}

bool CFItem::operator==(const CFItem &rightItem) const
{
    return CompareTo(rightItem) == 0;
}

bool CFItem::operator!=(const CFItem &rightItem) const
{
    return CompareTo(rightItem) != 0;
}

_INT32 CFItem::GetHashCode() const
{
    return dirEntry.lock()->GetHashCode();
}

std::wstring CFItem::Name() const
{
    auto name = dirEntry.lock()->GetEntryName();
    if (name.empty() == false)
    {
        auto removeIter = name.find_last_of(L'\0');
        if (removeIter != std::wstring::npos)
            name.erase(removeIter);
        return name;
    }
    else
        return L"";
}

_INT64 CFItem::size() const
{
    return dirEntry.lock()->getSize();
}

bool CFItem::IsStorage() const
{
    return dirEntry.lock()->getStgType() == StgType::StgStorage;
}

bool CFItem::IsStream() const
{
    return dirEntry.lock()->getStgType() == StgType::StgStream;
}

bool CFItem::ISRoot() const
{
    return dirEntry.lock()->getStgType() == StgType::StgRoot;
}

DataTime CFItem::getDataTime() const
{
    if (!dirEntry.use_count())
        return DataTime(0);

    return DataTime(dirEntry.lock()->getCreationDate());
}

void CFItem::setDataTime(const DataTime &value)
{
    if (!dirEntry.use_count())
        return;

    if (dirEntry.lock()->getStgType() != StgStream && dirEntry.lock()->getStgType() != StgRoot)
        dirEntry.lock()->setModifyDate(value.getUINT64());
    else
        throw CFException(L"Modify Date can only be set on storage entries");
}

_GUID_ CFItem::getStorageCLSID() const
{
    return dirEntry.lock()->getStorageCLSID();
}

void CFItem::setStorageCLSID(_GUID_ value)
{
    dirEntry.lock()->setStorageCLSID(value);
}

std::wstring CFItem::ToString() const
{
    if (!dirEntry.expired())
        return L"[" + std::to_wstring(dirEntry.lock()->getLeftSibling()) + L"," + std::to_wstring(dirEntry.lock()->getSid()) + L"," +
                std::to_wstring(dirEntry.lock()->getRightSibling()) + L"] " + dirEntry.lock()->GetEntryName();
    else
        return L"";
}

void CFItem::setDirEntry(const std::weak_ptr<IDirectoryEntry> &newDirEntry)
{
    if (newDirEntry.expired() || newDirEntry.lock()->getSid() < 0)
        throw CFException("Attempting to create a CFStorage using an unitialized directory");

    dirEntry = newDirEntry;
}

std::shared_ptr<IDirectoryEntry> CFItem::getDirEntry() const
{
    return dirEntry.lock();
}


void CFItem::CheckDisposed() const
{
    if (compoundFile != nullptr && compoundFile->IsClosed())
        throw CFDisposedException("Owner Compound file has been closed and owned items have been invalidated");
}


DataTime::DataTime(_UINT64 time)
{
    memcpy(data, reinterpret_cast<char*>(&time), 8);
}

_UINT64 DataTime::getUINT64()const
{
    _UINT64 timeStamp(0);
    memcpy(reinterpret_cast<char*>(&timeStamp), data, 8);

    return timeStamp;
}