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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* writerperfect
* Version: MPL 2.0 / LGPLv2.1+
*
* 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/.
*
* Major Contributor(s):
* Copyright (C) 2007 Fridrich Strba (fridrich.strba@bluewin.ch)
*
* For minor contributions see the git repository.
*
* Alternatively, the contents of this file may be used under the terms
* of the GNU Lesser General Public License Version 2.1 or later
* (LGPLv2.1+), in which case the provisions of the LGPLv2.1+ are
* applicable instead of those above.
*
* For further information visit http://libwpd.sourceforge.net
*/
#include <memory>
#include <com/sun/star/container/XChild.hpp>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/sdbc/XResultSet.hpp>
#include <com/sun/star/sdbc/XRow.hpp>
#include <com/sun/star/ucb/XContent.hpp>
#include <com/sun/star/ucb/XContentAccess.hpp>
#include <com/sun/star/ucb/XCommandEnvironment.hpp>
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include <comphelper/processfactory.hxx>
#include <rtl/ustring.hxx>
#include <ucbhelper/content.hxx>
#include <DirectoryStream.hxx>
#include <WPXSvInputStream.hxx>
namespace io = com::sun::star::io;
namespace sdbc = com::sun::star::sdbc;
namespace ucb = com::sun::star::ucb;
namespace uno = com::sun::star::uno;
namespace writerperfect
{
namespace
{
uno::Reference<io::XInputStream> findStream(ucbhelper::Content& rContent, std::u16string_view rName)
{
uno::Reference<io::XInputStream> xInputStream;
uno::Sequence<OUString> lPropNames{ "Title" };
try
{
const uno::Reference<sdbc::XResultSet> xResultSet(
rContent.createCursor(lPropNames, ucbhelper::INCLUDE_DOCUMENTS_ONLY));
if (xResultSet->first())
{
const uno::Reference<ucb::XContentAccess> xContentAccess(xResultSet,
uno::UNO_QUERY_THROW);
const uno::Reference<sdbc::XRow> xRow(xResultSet, uno::UNO_QUERY_THROW);
do
{
const OUString aTitle(xRow->getString(1));
if (aTitle == rName)
{
const uno::Reference<ucb::XContent> xSubContent(xContentAccess->queryContent());
ucbhelper::Content aSubContent(xSubContent,
uno::Reference<ucb::XCommandEnvironment>(),
comphelper::getProcessComponentContext());
xInputStream = aSubContent.openStream();
break;
}
} while (xResultSet->next());
}
}
catch (const uno::RuntimeException&)
{
// ignore
}
catch (const uno::Exception&)
{
// ignore
}
return xInputStream;
}
}
struct DirectoryStream::Impl
{
explicit Impl(const uno::Reference<ucb::XContent>& rxContent);
uno::Reference<ucb::XContent> xContent;
};
DirectoryStream::Impl::Impl(const uno::Reference<ucb::XContent>& rxContent)
: xContent(rxContent)
{
}
DirectoryStream::DirectoryStream(const css::uno::Reference<css::ucb::XContent>& xContent)
: m_pImpl(isDirectory(xContent) ? new Impl(xContent) : nullptr)
{
}
DirectoryStream::~DirectoryStream() {}
bool DirectoryStream::isDirectory(const css::uno::Reference<css::ucb::XContent>& xContent)
{
try
{
if (!xContent.is())
return false;
ucbhelper::Content aContent(xContent, uno::Reference<ucb::XCommandEnvironment>(),
comphelper::getProcessComponentContext());
return aContent.isFolder();
}
catch (...)
{
return false;
}
}
std::unique_ptr<DirectoryStream>
DirectoryStream::createForParent(const css::uno::Reference<css::ucb::XContent>& xContent)
{
try
{
if (!xContent.is())
return nullptr;
std::unique_ptr<DirectoryStream> pDir;
const uno::Reference<css::container::XChild> xChild(xContent, uno::UNO_QUERY);
if (xChild.is())
{
const uno::Reference<ucb::XContent> xDirContent(xChild->getParent(), uno::UNO_QUERY);
if (xDirContent.is())
{
pDir = std::make_unique<DirectoryStream>(xDirContent);
if (!pDir->isStructured())
pDir.reset();
}
}
return pDir;
}
catch (...)
{
return nullptr;
}
}
css::uno::Reference<css::ucb::XContent> DirectoryStream::getContent() const
{
if (!m_pImpl)
return css::uno::Reference<css::ucb::XContent>();
return m_pImpl->xContent;
}
bool DirectoryStream::isStructured() { return m_pImpl != nullptr; }
unsigned DirectoryStream::subStreamCount()
{
// TODO: implement me
return 0;
}
const char* DirectoryStream::subStreamName(unsigned /* id */)
{
// TODO: implement me
return nullptr;
}
bool DirectoryStream::existsSubStream(const char* /* name */)
{
// TODO: implement me
return false;
}
librevenge::RVNGInputStream* DirectoryStream::getSubStreamByName(const char* const pName)
{
if (!m_pImpl)
return nullptr;
ucbhelper::Content aContent(m_pImpl->xContent, uno::Reference<ucb::XCommandEnvironment>(),
comphelper::getProcessComponentContext());
const uno::Reference<io::XInputStream> xInputStream(
findStream(aContent, OUString::createFromAscii(pName)));
if (xInputStream.is())
return new WPXSvInputStream(xInputStream);
return nullptr;
}
librevenge::RVNGInputStream* DirectoryStream::getSubStreamById(unsigned /* id */)
{
// TODO: implement me
return nullptr;
}
const unsigned char* DirectoryStream::read(unsigned long, unsigned long& nNumBytesRead)
{
nNumBytesRead = 0;
return nullptr;
}
int DirectoryStream::seek(long, librevenge::RVNG_SEEK_TYPE) { return -1; }
long DirectoryStream::tell() { return 0; }
bool DirectoryStream::isEnd() { return true; }
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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