| /* |
| * 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/>. |
| */ |
| |
| /* |
| * $Log$ |
| * Revision 1.2 2002/06/12 17:15:12 tng |
| * Remove redundant include header file. |
| * |
| * Revision 1.1.1.1 2002/02/01 22:22:12 peiyongz |
| * sane_include |
| * |
| * Revision 1.4 2001/12/22 01:06:08 jasons |
| * Made the destructors virtual for: |
| * |
| * * ~RefHash2KeysTableOfEnumerator |
| * * ~RefHash3KeysIdPoolEnumerator |
| * |
| * This fixes bug #5514 |
| * |
| * Revision 1.3 2001/06/04 13:45:03 tng |
| * The "hash" argument clashes with STL hash. Fixed by Pei Yong Zhang. |
| * |
| * Revision 1.2 2001/05/11 13:26:28 tng |
| * Copyright update. |
| * |
| * Revision 1.1 2001/02/27 18:24:01 tng |
| * Schema: Add utility RefHash2KeysTableOf. |
| * |
| */ |
| |
| |
| #if !defined(REFHASH2KEYSTABLEOF_HPP) |
| #define REFHASH2KEYSTABLEOF_HPP |
| |
| |
| #include <xercesc/util/XercesDefs.hpp> |
| #include <xercesc/util/HashBase.hpp> |
| #include <xercesc/util/IllegalArgumentException.hpp> |
| #include <xercesc/util/NoSuchElementException.hpp> |
| #include <xercesc/util/RuntimeException.hpp> |
| #include <xercesc/util/XMLExceptMsgs.hpp> |
| #include <xercesc/util/XMLEnumerator.hpp> |
| #include <xercesc/util/XMLString.hpp> |
| #include <xercesc/util/HashBase.hpp> |
| #include <xercesc/util/HashXMLCh.hpp> |
| |
| // This hash table is similar to RefHashTableOf with an additional integer as key2 |
| |
| // |
| // Forward declare the enumerator so he can be our friend. Can you say |
| // friend? Sure... |
| // |
| template <class TVal> class RefHash2KeysTableOfEnumerator; |
| template <class TVal> struct RefHash2KeysTableBucketElem; |
| |
| |
| // |
| // This should really be a nested class, but some of the compilers we |
| // have to support cannot deal with that! |
| // |
| template <class TVal> struct RefHash2KeysTableBucketElem |
| { |
| RefHash2KeysTableBucketElem(void* key1, int key2, TVal* const value, RefHash2KeysTableBucketElem<TVal>* next) |
| : fData(value), fNext(next), fKey1(key1), fKey2(key2) |
| { |
| } |
| |
| TVal* fData; |
| RefHash2KeysTableBucketElem<TVal>* fNext; |
| void* fKey1; |
| int fKey2; |
| }; |
| |
| |
| template <class TVal> class RefHash2KeysTableOf |
| { |
| public: |
| // ----------------------------------------------------------------------- |
| // Constructors and Destructor |
| // ----------------------------------------------------------------------- |
| // backwards compatability - default hasher is HashXMLCh |
| RefHash2KeysTableOf(const unsigned int modulus); |
| // backwards compatability - default hasher is HashXMLCh |
| RefHash2KeysTableOf(const unsigned int modulus, const bool adoptElems); |
| // 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. |
| RefHash2KeysTableOf(const unsigned int modulus, const bool adoptElems, HashBase* hashBase); |
| ~RefHash2KeysTableOf(); |
| |
| |
| // ----------------------------------------------------------------------- |
| // Element management |
| // ----------------------------------------------------------------------- |
| bool isEmpty() const; |
| bool containsKey(const void* const key1, const int key2) const; |
| void removeKey(const void* const key1, const int key2); |
| void removeAll(); |
| |
| |
| // ----------------------------------------------------------------------- |
| // Getters |
| // ----------------------------------------------------------------------- |
| TVal* get(const void* const key1, const int key2); |
| const TVal* get(const void* const key1, const int key2) const; |
| |
| |
| // ----------------------------------------------------------------------- |
| // Putters |
| // ----------------------------------------------------------------------- |
| void put(void* key1, int key2, TVal* const valueToAdopt); |
| |
| |
| private : |
| // ----------------------------------------------------------------------- |
| // Declare our friends |
| // ----------------------------------------------------------------------- |
| friend class RefHash2KeysTableOfEnumerator<TVal>; |
| |
| private: |
| |
| // ----------------------------------------------------------------------- |
| // Private methods |
| // ----------------------------------------------------------------------- |
| RefHash2KeysTableBucketElem<TVal>* findBucketElem(const void* const key1, const int key2, unsigned int& hashVal); |
| const RefHash2KeysTableBucketElem<TVal>* findBucketElem(const void* const key1, const int key2, unsigned int& hashVal) const; |
| void removeBucketElem(const void* const key1, const int key2, unsigned int& hashVal); |
| 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. |
| // ----------------------------------------------------------------------- |
| bool fAdoptedElems; |
| RefHash2KeysTableBucketElem<TVal>** fBucketList; |
| unsigned int fHashModulus; |
| HashBase* fHash; |
| }; |
| |
| |
| |
| // |
| // 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 RefHash2KeysTableOfEnumerator : public XMLEnumerator<TVal> |
| { |
| public : |
| // ----------------------------------------------------------------------- |
| // Constructors and Destructor |
| // ----------------------------------------------------------------------- |
| RefHash2KeysTableOfEnumerator(RefHash2KeysTableOf<TVal>* const toEnum, const bool adopt = false); |
| virtual ~RefHash2KeysTableOfEnumerator(); |
| |
| |
| // ----------------------------------------------------------------------- |
| // Enum interface |
| // ----------------------------------------------------------------------- |
| bool hasMoreElements() const; |
| TVal& nextElement(); |
| void Reset(); |
| |
| |
| private : |
| // ----------------------------------------------------------------------- |
| // Private methods |
| // ----------------------------------------------------------------------- |
| void findNext(); |
| |
| |
| // ----------------------------------------------------------------------- |
| // Data Members |
| // |
| // fAdopted |
| // Indicates whether we have adopted the passed vector. If so then |
| // we delete the vector when we are destroyed. |
| // |
| // fCurElem |
| // This is the current bucket bucket element that we are on. |
| // |
| // fCurHash |
| // The is the current hash buck that we are working on. Once we hit |
| // the end of the bucket that fCurElem is in, then we have to start |
| // working this one up to the next non-empty bucket. |
| // |
| // fToEnum |
| // The value array being enumerated. |
| // ----------------------------------------------------------------------- |
| bool fAdopted; |
| RefHash2KeysTableBucketElem<TVal>* fCurElem; |
| unsigned int fCurHash; |
| RefHash2KeysTableOf<TVal>* fToEnum; |
| }; |
| |
| #if !defined(XERCES_TMPLSINC) |
| #include <xercesc/util/RefHash2KeysTableOf.c> |
| #endif |
| |
| #endif |
