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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* Version: MPL 1.1 / GPLv3+ / LGPLv3+
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Initial Developer of the Original Code is
* Caolán McNamara <caolanm@redhat.com> (Red Hat, Inc.)
* Portions created by the Initial Developer are Copyright (C) 2011 the
* Initial Developer. All Rights Reserved.
*
* Contributor(s): Caolán McNamara <caolanm@redhat.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 3 or later (the "GPLv3+"), or
* the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
* in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
* instead of those above.
*/
#ifndef _SALHELPER_LINKHELPER_HXX
#define _SALHELPER_LINKHELPER_HXX
#include <rtl/ustring.hxx>
#include <osl/file.hxx>
namespace salhelper
{
class LinkResolver
{
public:
osl::FileStatus m_aStatus;
LinkResolver(sal_uInt32 nMask)
: m_aStatus(nMask |
osl_FileStatus_Mask_FileURL |
osl_FileStatus_Mask_Type |
osl_FileStatus_Mask_LinkTargetURL)
{
}
/** Resolve a file url if its a symbolic link, to a maximum depth of
* nDepth and fill in m_aStatus with the requested ctor flags
*
* @return osl::FileBase::E_None on success
*
* @see DirectoryItem::getFileStatus
*/
osl::FileBase::RC fetchFileStatus(const rtl::OUString &rURL,
int nDepth = 128)
{
//In an ideal world this wouldn't be inline, but I want to use this
//in jvmfwk hence salhelper, but salhelper is .map controlled and
//getting all the mangled names right is a misery, moving it over
//to visibility markup would drop per-symbol versioning
osl::FileBase::RC eReturn;
osl::DirectoryItem item;
rtl::OUString sURL(rURL);
while ((eReturn = osl::DirectoryItem::get(sURL, item))
== osl::File::E_None)
{
if (--nDepth == 0)
{
eReturn = osl::FileBase::E_MULTIHOP;
break;
}
eReturn = item.getFileStatus(m_aStatus);
if (eReturn != osl::File::E_None)
break;
if (m_aStatus.getFileType() != osl::FileStatus::Link)
{
eReturn = osl::FileBase::E_None;
break;
}
sURL = m_aStatus.getLinkTargetURL();
}
return eReturn;
}
};
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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