75 lines
2.4 KiB
C++
75 lines
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#ifndef INCLUDED_SALHELPER_LINKHELPER_HXX
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#define INCLUDED_SALHELPER_LINKHELPER_HXX
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#include <rtl/ustring.hxx>
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#include <osl/file.hxx>
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namespace salhelper
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{
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class LinkResolver
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{
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public:
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osl::FileStatus m_aStatus;
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LinkResolver(sal_uInt32 nMask)
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: m_aStatus(nMask |
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osl_FileStatus_Mask_FileURL |
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osl_FileStatus_Mask_Type |
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osl_FileStatus_Mask_LinkTargetURL)
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{
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}
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/** Resolve a file url if it's a symbolic link, to a maximum depth of
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* nDepth and fill in m_aStatus with the requested ctor flags
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*
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* @return osl::FileBase::E_None on success
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*
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* @see DirectoryItem::getFileStatus
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*/
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osl::FileBase::RC fetchFileStatus(const rtl::OUString &rURL,
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int nDepth = 128)
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{
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//In an ideal world this wouldn't be inline, but I want to use this
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//in jvmfwk hence salhelper, but salhelper is .map controlled and
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//getting all the mangled names right is a misery, moving it over
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//to visibility markup would drop per-symbol versioning
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osl::FileBase::RC eReturn;
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osl::DirectoryItem item;
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rtl::OUString sURL(rURL);
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while ((eReturn = osl::DirectoryItem::get(sURL, item))
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== osl::File::E_None)
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{
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if (--nDepth == 0)
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{
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eReturn = osl::FileBase::E_MULTIHOP;
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break;
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}
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eReturn = item.getFileStatus(m_aStatus);
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if (eReturn != osl::File::E_None)
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break;
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if (m_aStatus.getFileType() != osl::FileStatus::Link)
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{
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eReturn = osl::FileBase::E_None;
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break;
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}
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sURL = m_aStatus.getLinkTargetURL();
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}
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return eReturn;
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}
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};
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}
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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