b1af7083b4
Change-Id: I39b9ac81d65f4a269293824642c1b2ec593c0584 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/121490 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
212 lines
5.8 KiB
C++
212 lines
5.8 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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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include "stordir.hxx"
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#include <sal/types.h>
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#include <rtl/textcvt.h>
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#include <rtl/ref.hxx>
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#include <rtl/ustring.h>
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#include <osl/mutex.hxx>
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#include <store/types.h>
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#include "storbase.hxx"
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#include "stordata.hxx"
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#include "storpage.hxx"
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using namespace store;
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/*========================================================================
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*
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* OStore... internals.
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*
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*======================================================================*/
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/*
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* convertTextToUnicode.
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*/
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static sal_Size convertTextToUnicode (
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rtl_TextToUnicodeConverter hConverter,
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const char *pSrcBuffer, sal_Size nSrcLength,
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sal_Unicode *pDstBuffer, sal_Size nDstLength)
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{
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sal_uInt32 nCvtInfo = 0;
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sal_Size nCvtBytes = 0;
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return rtl_convertTextToUnicode (
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hConverter, nullptr,
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pSrcBuffer, nSrcLength,
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pDstBuffer, nDstLength,
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OSTRING_TO_OUSTRING_CVTFLAGS,
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&nCvtInfo, &nCvtBytes);
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}
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/*========================================================================
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*
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* OStoreDirectory_Impl implementation.
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*
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*======================================================================*/
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const sal_uInt32 OStoreDirectory_Impl::m_nTypeId(0x89191107);
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/*
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* OStoreDirectory_Impl.
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*/
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OStoreDirectory_Impl::OStoreDirectory_Impl()
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: m_aDescr (0, 0, 0),
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m_nPath (0),
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m_hTextCvt (nullptr)
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{}
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/*
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* ~OStoreDirectory_Impl.
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*/
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OStoreDirectory_Impl::~OStoreDirectory_Impl()
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{
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if (m_xManager.is())
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{
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if (m_aDescr.m_nAddr != STORE_PAGE_NULL)
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m_xManager->releasePage (m_aDescr);
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}
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rtl_destroyTextToUnicodeConverter (m_hTextCvt);
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}
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/*
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* isKindOf.
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*/
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bool OStoreDirectory_Impl::isKindOf (sal_uInt32 nTypeId)
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{
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return (nTypeId == m_nTypeId);
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}
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/*
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* create.
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*/
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storeError OStoreDirectory_Impl::create (
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OStorePageManager *pManager,
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rtl_String const *pPath,
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rtl_String const *pName,
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storeAccessMode eMode)
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{
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rtl::Reference<OStorePageManager> xManager (pManager);
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if (!xManager.is())
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return store_E_InvalidAccess;
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if (!(pPath && pName))
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return store_E_InvalidParameter;
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OStoreDirectoryPageObject aPage;
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storeError eErrCode = xManager->iget (
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aPage, STORE_ATTRIB_ISDIR,
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pPath, pName, eMode);
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if (eErrCode != store_E_None)
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return eErrCode;
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if (!(aPage.attrib() & STORE_ATTRIB_ISDIR))
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return store_E_NotDirectory;
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inode_holder_type xNode (aPage.get());
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eErrCode = xManager->acquirePage (xNode->m_aDescr, storeAccessMode::ReadOnly);
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if (eErrCode != store_E_None)
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return eErrCode;
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// Evaluate iteration path.
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m_nPath = aPage.path();
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m_nPath = rtl_crc32 (m_nPath, "/", 1);
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// Save page manager, and descriptor.
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m_xManager = xManager;
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m_aDescr = xNode->m_aDescr;
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return store_E_None;
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}
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/*
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* iterate.
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*/
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storeError OStoreDirectory_Impl::iterate (storeFindData &rFindData)
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{
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if (!m_xManager.is())
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return store_E_InvalidAccess;
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storeError eErrCode = store_E_NoMoreFiles;
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if (!rFindData.m_nReserved)
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return eErrCode;
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// Acquire exclusive access.
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osl::MutexGuard aGuard (*m_xManager);
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// Check TextConverter.
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if (m_hTextCvt == nullptr)
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m_hTextCvt = rtl_createTextToUnicodeConverter(RTL_TEXTENCODING_UTF8);
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// Setup iteration key.
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OStorePageKey aKey (rFindData.m_nReserved, m_nPath);
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// Iterate.
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for (;;)
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{
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OStorePageLink aLink;
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eErrCode = m_xManager->iterate (aKey, aLink, rFindData.m_nAttrib);
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if (eErrCode != store_E_None || aKey.m_nHigh != store::htonl(m_nPath))
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break;
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if (!(rFindData.m_nAttrib & STORE_ATTRIB_ISLINK))
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{
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// Load page.
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OStoreDirectoryPageObject aPage;
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eErrCode = m_xManager->loadObjectAt (aPage, aLink.location());
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if (eErrCode == store_E_None)
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{
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inode_holder_type xNode (aPage.get());
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// Setup FindData.
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char *p = xNode->m_aNameBlock.m_pData;
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sal_Int32 n = rtl_str_getLength (p);
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sal_Int32 k = rFindData.m_nLength;
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n = convertTextToUnicode (
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m_hTextCvt, p, n,
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rFindData.m_pszName, STORE_MAXIMUM_NAMESIZE - 1);
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if (k > n)
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{
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k = (k - n) * sizeof(sal_Unicode);
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memset (&rFindData.m_pszName[n], 0, k);
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}
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rFindData.m_nLength = n;
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rFindData.m_nAttrib |= aPage.attrib();
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// Leave.
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rFindData.m_nReserved = store::ntohl(aKey.m_nLow);
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return store_E_None;
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}
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}
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if (aKey.m_nLow == 0)
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break;
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aKey.m_nLow = store::htonl(store::ntohl(aKey.m_nLow) - 1);
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}
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// Finished.
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memset (&rFindData, 0, sizeof (storeFindData));
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return store_E_NoMoreFiles;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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