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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: stordir.cxx,v $
*
* $Revision: 1.1.2.2 $
*
* last change: $Author: mhu $ $Date: 2008/10/17 16:30:17 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_store.hxx"
#include "stordir.hxx"
#ifndef _SAL_TYPES_H_
#include <sal/types.h>
#endif
#ifndef _RTL_TEXTCVT_H_
#include <rtl/textcvt.h>
#endif
#ifndef _RTL_REF_HXX_
#include <rtl/ref.hxx>
#endif
#ifndef _OSL_MUTEX_HXX_
#include <osl/mutex.hxx>
#endif
#ifndef _STORE_TYPES_H_
#include "store/types.h"
#endif
#ifndef _STORE_OBJECT_HXX_
#include "object.hxx"
#endif
#ifndef _STORE_STORBASE_HXX_
#include "storbase.hxx"
#endif
#ifndef _STORE_STORDATA_HXX_
#include "stordata.hxx"
#endif
#ifndef _STORE_STORPAGE_HXX_
#include "storpage.hxx"
#endif
using namespace store;
/*========================================================================
*
* OStore... internals.
*
*======================================================================*/
/*
* __store_convertTextToUnicode.
*/
inline sal_Size __store_convertTextToUnicode (
rtl_TextToUnicodeConverter hConverter,
const sal_Char *pSrcBuffer, sal_Size nSrcLength,
sal_Unicode *pDstBuffer, sal_Size nDstLength)
{
sal_uInt32 nCvtInfo = 0;
sal_Size nCvtBytes = 0;
return rtl_convertTextToUnicode (
hConverter, 0,
pSrcBuffer, nSrcLength,
pDstBuffer, nDstLength,
OSTRING_TO_OUSTRING_CVTFLAGS,
&nCvtInfo, &nCvtBytes);
}
/*========================================================================
*
* OStoreDirectory_Impl implementation.
*
*======================================================================*/
const sal_uInt32 OStoreDirectory_Impl::m_nTypeId = sal_uInt32(0x89191107);
/*
* OStoreDirectory_Impl.
*/
OStoreDirectory_Impl::OStoreDirectory_Impl (void)
: m_xManager (),
m_aDescr (0, 0, 0),
m_nPath (0),
m_hTextCvt (NULL)
{}
/*
* ~OStoreDirectory_Impl.
*/
OStoreDirectory_Impl::~OStoreDirectory_Impl (void)
{
if (m_xManager.is())
{
if (m_aDescr.m_nAddr != STORE_PAGE_NULL)
m_xManager->releasePage (m_aDescr, store_AccessReadOnly);
}
rtl_destroyTextToUnicodeConverter (m_hTextCvt);
}
/*
* isKindOf.
*/
sal_Bool SAL_CALL OStoreDirectory_Impl::isKindOf (sal_uInt32 nTypeId)
{
return (nTypeId == m_nTypeId);
}
/*
* create.
*/
storeError OStoreDirectory_Impl::create (
OStorePageManager *pManager,
rtl_String *pPath,
rtl_String *pName,
storeAccessMode eMode)
{
rtl::Reference<OStorePageManager> xManager (pManager);
if (!xManager.is())
return store_E_InvalidAccess;
if (!(pPath && pName))
return store_E_InvalidParameter;
OStoreDirectoryPageObject aPage;
storeError eErrCode = xManager->iget (
aPage, STORE_ATTRIB_ISDIR,
pPath, pName, eMode);
if (eErrCode != store_E_None)
return eErrCode;
if (!(aPage.attrib() & STORE_ATTRIB_ISDIR))
return store_E_NotDirectory;
inode_holder_type xNode (aPage.get());
eErrCode = xManager->acquirePage (xNode->m_aDescr, store_AccessReadOnly);
if (eErrCode != store_E_None)
return eErrCode;
// Evaluate iteration path.
m_nPath = aPage.path();
m_nPath = rtl_crc32 (m_nPath, "/", 1);
// Save page manager, and descriptor.
m_xManager = xManager;
m_aDescr = xNode->m_aDescr;
return store_E_None;
}
/*
* iterate.
*/
storeError OStoreDirectory_Impl::iterate (storeFindData &rFindData)
{
if (!m_xManager.is())
return store_E_InvalidAccess;
storeError eErrCode = store_E_NoMoreFiles;
if (!rFindData.m_nReserved)
return eErrCode;
// Acquire exclusive access.
osl::MutexGuard aGuard (*m_xManager);
// Check TextConverter.
if (m_hTextCvt == NULL)
m_hTextCvt = rtl_createTextToUnicodeConverter(RTL_TEXTENCODING_UTF8);
// Setup iteration key.
OStorePageKey aKey (rFindData.m_nReserved, m_nPath);
// Iterate.
for (;;)
{
OStorePageLink aLink;
eErrCode = m_xManager->iterate (aKey, aLink, rFindData.m_nAttrib);
if (!((eErrCode == store_E_None) && (aKey.m_nHigh == store::htonl(m_nPath))))
break;
if (!(rFindData.m_nAttrib & STORE_ATTRIB_ISLINK))
{
// Load page.
OStoreDirectoryPageObject aPage;
eErrCode = m_xManager->loadObjectAt (aPage, aLink.location());
if (eErrCode == store_E_None)
{
inode_holder_type xNode (aPage.get());
// Setup FindData.
sal_Char *p = xNode->m_aNameBlock.m_pData;
sal_Size n = rtl_str_getLength (p);
sal_Size k = rFindData.m_nLength;
n = __store_convertTextToUnicode (
m_hTextCvt, p, n,
rFindData.m_pszName, STORE_MAXIMUM_NAMESIZE - 1);
if (k > n)
{
k = (k - n) * sizeof(sal_Unicode);
memset (&rFindData.m_pszName[n], 0, k);
}
rFindData.m_nLength = n;
rFindData.m_nAttrib |= aPage.attrib();
rFindData.m_nSize = aPage.dataLength();
// Leave.
rFindData.m_nReserved = store::ntohl(aKey.m_nLow);
return store_E_None;
}
}
if (aKey.m_nLow == 0)
break;
aKey.m_nLow = store::htonl(store::ntohl(aKey.m_nLow) - 1);
}
// Finished.
memset (&rFindData, 0, sizeof (storeFindData));
return store_E_NoMoreFiles;
}
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