Janitor.c
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上传日期:2007-01-10
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- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 1999-2000 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Xerces" and "Apache Software Foundation" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * nor may "Apache" appear in their name, without prior written
- * permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation, and was
- * originally based on software copyright (c) 1999, International
- * Business Machines, Inc., http://www.ibm.com . For more information
- * on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
- /**
- * $Log: Janitor.c,v $
- * Revision 1.6 2000/10/13 22:45:11 andyh
- * Complete removal of ArrayJanitory::operator->(). Was just commented out earlier.
- *
- * Revision 1.5 2000/10/10 23:52:10 andyh
- * From Janitor, remove the addition that is having compile problems in MSVC.
- *
- * Revision 1.4 2000/10/09 18:32:31 jberry
- * Add some auto_ptr functionality to allow modification of monitored
- * pointer value. This eases use of Janitor in some situations.
- *
- * Revision 1.3 2000/03/02 19:54:40 roddey
- * This checkin includes many changes done while waiting for the
- * 1.1.0 code to be finished. I can't list them all here, but a list is
- * available elsewhere.
- *
- * Revision 1.2 2000/02/06 07:48:02 rahulj
- * Year 2K copyright swat.
- *
- * Revision 1.1.1.1 1999/11/09 01:04:26 twl
- * Initial checkin
- *
- * Revision 1.2 1999/11/08 20:45:08 rahul
- * Swat for adding in Product name and CVS comment log variable.
- *
- */
- // ---------------------------------------------------------------------------
- // Includes
- // ---------------------------------------------------------------------------
- #if defined(XERCES_TMPLSINC)
- #include <util/Janitor.hpp>
- #endif
- // ---------------------------------------------------------------------------
- // Janitor: Constructors and Destructor
- // ---------------------------------------------------------------------------
- template <class T> Janitor<T>::Janitor(T* const toDelete) :
- fData(toDelete)
- {
- }
- template <class T> Janitor<T>::~Janitor()
- {
- reset();
- }
- // ---------------------------------------------------------------------------
- // Janitor: Public, non-virtual methods
- // ---------------------------------------------------------------------------
- template <class T> void
- Janitor<T>::orphan()
- {
- release();
- }
- template <class T> T&
- Janitor<T>::operator*() const
- {
- return *fData;
- }
- template <class T> T*
- Janitor<T>::operator->() const
- {
- return fData;
- }
- template <class T> T*
- Janitor<T>::get() const
- {
- return fData;
- }
- template <class T> T*
- Janitor<T>::release()
- {
- T* p = fData;
- fData = 0;
- return p;
- }
- template <class T> void Janitor<T>::reset(T* p)
- {
- delete fData;
- fData = p;
- }
- // -----------------------------------------------------------------------
- // ArrayJanitor: Constructors and Destructor
- // -----------------------------------------------------------------------
- template <class T> ArrayJanitor<T>::ArrayJanitor(T* const toDelete) :
- fData(toDelete)
- {
- }
- template <class T> ArrayJanitor<T>::~ArrayJanitor()
- {
- reset();
- }
- // -----------------------------------------------------------------------
- // ArrayJanitor: Public, non-virtual methods
- // -----------------------------------------------------------------------
- template <class T> void
- ArrayJanitor<T>::orphan()
- {
- release();
- }
- // Look, Ma! No hands! Don't call this with null data!
- template <class T> T&
- ArrayJanitor<T>::operator[](int index) const
- {
- // TODO: Add appropriate exception
- return fData[index];
- }
- template <class T> T*
- ArrayJanitor<T>::get() const
- {
- return fData;
- }
- template <class T> T*
- ArrayJanitor<T>::release()
- {
- T* p = fData;
- fData = 0;
- return p;
- }
- template <class T> void
- ArrayJanitor<T>::reset(T* p)
- {
- delete [] fData;
- fData = p;
- }