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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* 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/.
*/
#ifndef INCLUDED_SALHELPER_LINKHELPER_HXX
#define INCLUDED_SALHELPER_LINKHELPER_HXX
#include "rtl/ustring.hxx"
#include "osl/file.hxx"
namespace salhelper
{
class SAL_WARN_UNUSED 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 it's 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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