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Diffstat (limited to 'bridges/source/remote/urp/urp_cache.hxx')
-rw-r--r-- | bridges/source/remote/urp/urp_cache.hxx | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/bridges/source/remote/urp/urp_cache.hxx b/bridges/source/remote/urp/urp_cache.hxx deleted file mode 100644 index aa366ddaeca7..000000000000 --- a/bridges/source/remote/urp/urp_cache.hxx +++ /dev/null @@ -1,160 +0,0 @@ -/************************************************************************* - * - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * Copyright 2000, 2010 Oracle and/or its affiliates. - * - * OpenOffice.org - a multi-platform office productivity suite - * - * This file is part of OpenOffice.org. - * - * OpenOffice.org is free software: you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License version 3 - * only, as published by the Free Software Foundation. - * - * OpenOffice.org 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 version 3 for more details - * (a copy is included in the LICENSE file that accompanied this code). - * - * You should have received a copy of the GNU Lesser General Public License - * version 3 along with OpenOffice.org. If not, see - * <http://www.openoffice.org/license.html> - * for a copy of the LGPLv3 License. - * - ************************************************************************/ -#include <stdio.h> -#include <list> -#include <algorithm> -#include <rtl/ustring.hxx> - -#include "urp_threadid.hxx" -#include "urp_cache.h" - -namespace bridges_urp -{ - - template < class t , class tequals > - inline Cache< t , tequals >::Cache( sal_uInt16 nMaxEntries ) : - m_pCache( new t[nMaxEntries] ), - m_nMaxEntries( nMaxEntries ), - m_nEntries( 0 ) - { - - } - - template < class t , class tequals > - inline Cache< t , tequals >::~Cache( ) - { - delete [] m_pCache; - } - - - template < class t , class tequals > - inline sal_uInt16 Cache< t , tequals >::put( const t & value ) - { - if( ! m_nMaxEntries ) - { - return 0xffff; - } - sal_uInt16 nEntry = 0xffff; - if( m_nEntries < m_nMaxEntries ) - { - // cache has still empty places - m_pCache[m_nEntries] = value; - nEntry = m_nEntries; - m_nEntries ++; - - // add it to the cache - m_lstLeastRecentlyUsed.push_front( nEntry ); - } - else - { - // cache is full, remove an element and insert the new one - nEntry = m_lstLeastRecentlyUsed.back(); - m_lstLeastRecentlyUsed.pop_back(); - m_lstLeastRecentlyUsed.push_front( nEntry ); - - m_pCache[nEntry] = value; - } - return nEntry; - } - - template < class t , class tequals > - inline sal_uInt16 Cache< t , tequals >::seek( const t & value ) - { - for( ::std::list< sal_uInt16 >::iterator ii = m_lstLeastRecentlyUsed.begin() ; - ii != m_lstLeastRecentlyUsed.end() ; - ++ ii ) - { - if( value == m_pCache[*ii] ) - { - sal_uInt16 nEntry = *ii; - m_lstLeastRecentlyUsed.erase( ii ); - m_lstLeastRecentlyUsed.push_front( nEntry ); - return nEntry; - } - } - return 0xffff; - } - - // helper predicate for element removal - template < class t > - struct PredicateOverMax - { - t m_; - inline PredicateOverMax( const t &value ) : m_(value) - {} - sal_Int32 operator () ( const t &value ) const - { return value >= m_; } - }; - - template < class t, class tequals > - inline void Cache < t , tequals >::resize( sal_uInt16 nNewMaxEntries ) - { - if( 0 == nNewMaxEntries ) - { - m_lstLeastRecentlyUsed.clear(); - delete [] m_pCache; - m_pCache = 0; - m_nMaxEntries = 0; - } - else - { - // allocate - t *pNew = new t[nNewMaxEntries]; - sal_Int32 nMin = nNewMaxEntries < m_nMaxEntries ? nNewMaxEntries : m_nMaxEntries; - - // copy - for( sal_Int32 i = 0; i < nMin ; i ++ ) - { - pNew[i] = m_pCache[i]; - } - // delete - delete [] m_pCache; - - // assign - m_pCache = pNew; - - // remove overlapping lru cache entries - ::std::remove_if(m_lstLeastRecentlyUsed.begin(), - m_lstLeastRecentlyUsed.end(), - PredicateOverMax< sal_Int32 > ( nMin ) ); - } - m_nMaxEntries = nNewMaxEntries; - m_nEntries = m_nEntries < m_nMaxEntries ? - m_nEntries : m_nMaxEntries; - } - - template < class t, class tequals > - inline void Cache < t, tequals >:: clear() - { - for( sal_Int32 i = 0; i < m_nMaxEntries ; i ++ ) - { - m_pCache[i] = t(); - } - m_lstLeastRecentlyUsed.clear(); - m_nEntries = 0; - } -} |