IDDeepNodeListPool.hpp
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上传日期:2007-01-10
资源大小:6948k
文件大小:11k
源码类别:
xml/soap/webservice
开发平台:
C/C++
- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 2001 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) 2001, International
- * Business Machines, Inc., http://www.ibm.com . For more information
- * on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
- /*
- * $Log: IDDeepNodeListPool.hpp,v $
- * Revision 1.1 2001/06/04 14:55:32 tng
- * IDOM: Add IRange and IDeepNodeList Support.
- *
- */
- #if !defined(IDDEEPNODELISTPOOL_HPP)
- #define IDDEEPNODELISTPOOL_HPP
- #include <util/XercesDefs.hpp>
- #include <util/KeyValuePair.hpp>
- #include <util/HashBase.hpp>
- #include <util/IllegalArgumentException.hpp>
- #include <util/NoSuchElementException.hpp>
- #include <util/RuntimeException.hpp>
- #include <util/XMLExceptMsgs.hpp>
- #include <util/XMLEnumerator.hpp>
- #include <util/XMLString.hpp>
- #include <util/HashBase.hpp>
- #include <util/HashXMLCh.hpp>
- #include <util/HashPtr.hpp>
- // This hash table is modified from IDDeepNodeListPoolTableOf with first key as object ptr (IDOM_Node),
- // second and third keys are both XMLCh* string
- //
- // Forward declare the enumerator so he can be our friend. Can you say
- // friend? Sure...
- //
- template <class TVal> class IDDeepNodeListPoolEnumerator;
- template <class TVal> struct IDDeepNodeListPoolTableBucketElem;
- //
- // This should really be a nested class, but some of the compilers we
- // have to support cannot deal with that!
- //
- template <class TVal> struct IDDeepNodeListPoolTableBucketElem
- {
- IDDeepNodeListPoolTableBucketElem(
- void* key1
- , XMLCh* key2
- , XMLCh* key3
- , TVal* const value
- , IDDeepNodeListPoolTableBucketElem<TVal>* next) :
- fData(value)
- , fNext(next)
- , fKey1(key1)
- , fKey2(0)
- , fKey3(0)
- {
- if (key2)
- fKey2 = XMLString::replicate(key2);
- if (key3)
- fKey3 = XMLString::replicate(key3);
- }
- TVal* fData;
- IDDeepNodeListPoolTableBucketElem<TVal>* fNext;
- void* fKey1;
- XMLCh* fKey2;
- XMLCh* fKey3;
- };
- template <class TVal> class IDDeepNodeListPool
- {
- public:
- // -----------------------------------------------------------------------
- // Constructors and Destructor
- // -----------------------------------------------------------------------
- // backwards compatability - default hasher is HashXMLCh
- IDDeepNodeListPool
- (
- const unsigned int modulus
- , const unsigned int initSize = 128
- );
- // backwards compatability - default hasher is HashXMLCh
- IDDeepNodeListPool
- (
- const unsigned int modulus
- , const bool adoptElems
- , const unsigned int initSize = 128
- );
- // if a hash function is passed in, it will be deleted when the hashtable is deleted.
- // use a new instance of the hasher class for each hashtable, otherwise one hashtable
- // may delete the hasher of a different hashtable if both use the same hasher.
- IDDeepNodeListPool
- (
- const unsigned int modulus
- , const bool adoptElems, HashBase* hash
- , const unsigned int initSize = 128
- );
- ~IDDeepNodeListPool();
- // -----------------------------------------------------------------------
- // Element management
- // -----------------------------------------------------------------------
- bool isEmpty() const;
- bool containsKey(const void* const key1, const XMLCh* const key2, const XMLCh* const key3) const;
- void removeAll();
- // -----------------------------------------------------------------------
- // Getters
- // -----------------------------------------------------------------------
- TVal* getByKey(const void* const key1, const XMLCh* const key2, const XMLCh* const key3);
- const TVal* getByKey(const void* const key1, const XMLCh* const key2, const XMLCh* const key3) const;
- TVal* getById(const unsigned elemId);
- const TVal* getById(const unsigned elemId) const;
- // -----------------------------------------------------------------------
- // Putters
- // -----------------------------------------------------------------------
- unsigned int put(void* key1, XMLCh* key2, XMLCh* key3, TVal* const valueToAdopt);
- private :
- // -----------------------------------------------------------------------
- // Declare our friends
- // -----------------------------------------------------------------------
- friend class IDDeepNodeListPoolEnumerator<TVal>;
- private:
- // -----------------------------------------------------------------------
- // Private methods
- // -----------------------------------------------------------------------
- IDDeepNodeListPoolTableBucketElem<TVal>* findBucketElem(const void* const key1, const XMLCh* const key2, const XMLCh* const key3, unsigned int& hashVal);
- const IDDeepNodeListPoolTableBucketElem<TVal>* findBucketElem(const void* const key1, const XMLCh* const key2, const XMLCh* const key3, unsigned int& hashVal) const;
- void initialize(const unsigned int modulus);
- // -----------------------------------------------------------------------
- // Data members
- //
- // fAdoptedElems
- // Indicates whether the values added are adopted or just referenced.
- // If adopted, then they are deleted when they are removed from the
- // hash table.
- //
- // fBucketList
- // This is the array that contains the heads of all of the list
- // buckets, one for each possible hash value.
- //
- // fHashModulus
- // The modulus used for this hash table, to hash the keys. This is
- // also the number of elements in the bucket list.
- //
- // fHash
- // The hasher for the key1 data type.
- //
- // fIdPtrs
- // fIdPtrsCount
- // This is the array of pointers to the bucket elements in order of
- // their assigned ids. So taking id N and referencing this array
- // gives you the element with that id. The count field indicates
- // the current size of this list. When fIdCounter+1 reaches this
- // value the list must be expanded.
- //
- // fIdCounter
- // This is used to give out unique ids to added elements. It starts
- // at zero (which means empty), and is bumped up for each newly added
- // element. So the first element is 1, the next is 2, etc... This
- // means that this value is set to the top index of the fIdPtrs array.
- // -----------------------------------------------------------------------
- bool fAdoptedElems;
- IDDeepNodeListPoolTableBucketElem<TVal>** fBucketList;
- unsigned int fHashModulus;
- HashBase* fHash;
- TVal** fIdPtrs;
- unsigned int fIdPtrsCount;
- unsigned int fIdCounter;
- };
- //
- // An enumerator for a value array. It derives from the basic enumerator
- // class, so that value vectors can be generically enumerated.
- //
- template <class TVal> class IDDeepNodeListPoolEnumerator : public XMLEnumerator<TVal>
- {
- public :
- // -----------------------------------------------------------------------
- // Constructors and Destructor
- // -----------------------------------------------------------------------
- IDDeepNodeListPoolEnumerator(IDDeepNodeListPool<TVal>* const toEnum, const bool adopt = false);
- ~IDDeepNodeListPoolEnumerator();
- // -----------------------------------------------------------------------
- // Enum interface
- // -----------------------------------------------------------------------
- bool hasMoreElements() const;
- TVal& nextElement();
- void Reset();
- private :
- // -----------------------------------------------------------------------
- // Data Members
- // fAdoptedElems
- // Indicates whether the values added are adopted or just referenced.
- // If adopted, then they are deleted when they are removed from the
- // hash table
- //
- // fCurIndex
- // This is the current index into the pool's id mapping array. This
- // is now we enumerate it.
- //
- // fToEnum
- // The name id pool that is being enumerated.
- // -----------------------------------------------------------------------
- bool fAdoptedElems;
- unsigned int fCurIndex;
- IDDeepNodeListPool<TVal>* fToEnum;
- };
- #if !defined(XERCES_TMPLSINC)
- #include <idom/IDDeepNodeListPool.c>
- #endif
- #endif