secureswitools/swisistools/source/xmlparser/xerces/include/xercesc/util/RefHashTableOf.hpp
changeset 0 ba25891c3a9e
child 1 c42dffbd5b4f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/secureswitools/swisistools/source/xmlparser/xerces/include/xercesc/util/RefHashTableOf.hpp	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,278 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * $Id: RefHashTableOf.hpp 568078 2007-08-21 11:43:25Z amassari $
+ */
+
+
+#if !defined(REFHASHTABLEOF_HPP)
+#define REFHASHTABLEOF_HPP
+
+
+#include <xercesc/util/HashBase.hpp>
+#include <xercesc/util/IllegalArgumentException.hpp>
+#include <xercesc/util/NoSuchElementException.hpp>
+#include <xercesc/util/RuntimeException.hpp>
+#include <xercesc/util/XMLString.hpp>
+#include <xercesc/util/HashXMLCh.hpp>
+#include <xercesc/util/PlatformUtils.hpp>
+#include <xercesc/framework/MemoryManager.hpp>
+
+XERCES_CPP_NAMESPACE_BEGIN
+
+//
+//  Forward declare the enumerator so he can be our friend. Can you say
+//  friend? Sure...
+//
+template <class TVal> class RefHashTableOfEnumerator;
+template <class TVal> struct RefHashTableBucketElem;
+
+
+//
+//  This should really be a nested class, but some of the compilers we
+//  have to support cannot deal with that!
+//
+template <class TVal> struct RefHashTableBucketElem
+{
+    RefHashTableBucketElem(void* key, TVal* const value, RefHashTableBucketElem<TVal>* next)
+		: fData(value), fNext(next), fKey(key)
+        {
+        }
+
+    RefHashTableBucketElem(){};
+    ~RefHashTableBucketElem(){};
+
+    TVal*                           fData;
+    RefHashTableBucketElem<TVal>*   fNext;
+	void*							fKey;
+
+private:
+    // -----------------------------------------------------------------------
+    //  Unimplemented constructors and operators
+    // -----------------------------------------------------------------------
+    RefHashTableBucketElem(const RefHashTableBucketElem<TVal>&);
+    RefHashTableBucketElem<TVal>& operator=(const RefHashTableBucketElem<TVal>&);
+};
+
+
+template <class TVal> class RefHashTableOf : public XMemory
+{
+public:
+    // -----------------------------------------------------------------------
+    //  Constructors and Destructor
+    // -----------------------------------------------------------------------
+	// backwards compatability - default hasher is HashXMLCh
+    RefHashTableOf
+    (
+        const unsigned int modulus
+        , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
+    );
+	// backwards compatability - default hasher is HashXMLCh
+    RefHashTableOf
+    (
+        const unsigned int modulus
+        , const bool adoptElems
+        , MemoryManager* const manager =  XMLPlatformUtils::fgMemoryManager
+    );
+	// 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.
+    RefHashTableOf
+    (
+        const unsigned int modulus
+        , const bool adoptElems
+        , HashBase* hashBase
+        , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
+    );
+    ~RefHashTableOf();
+
+
+    // -----------------------------------------------------------------------
+    //  Element management
+    // -----------------------------------------------------------------------
+    bool isEmpty() const;
+    bool containsKey(const void* const key) const;
+    void removeKey(const void* const key);
+    void removeAll();
+    void cleanup();
+    void reinitialize(HashBase* hashBase);
+    void transferElement(const void* const key1, void* key2);
+    TVal* orphanKey(const void* const key);
+
+    // -----------------------------------------------------------------------
+    //  Getters
+    // -----------------------------------------------------------------------
+    TVal* get(const void* const key);
+    const TVal* get(const void* const key) const;
+    MemoryManager* getMemoryManager() const;   
+    unsigned int   getHashModulus()   const;
+    unsigned int   getCount() const;
+
+    // -----------------------------------------------------------------------
+    //  Setters
+    // -----------------------------------------------------------------------
+    void setAdoptElements(const bool aValue);
+
+
+    // -----------------------------------------------------------------------
+    //  Putters
+    // -----------------------------------------------------------------------
+	void put(void* key, TVal* const valueToAdopt);
+
+
+private :
+    // -----------------------------------------------------------------------
+    //  Declare our friends
+    // -----------------------------------------------------------------------
+    friend class RefHashTableOfEnumerator<TVal>;
+
+private:
+    // -----------------------------------------------------------------------
+    //  Unimplemented constructors and operators
+    // -----------------------------------------------------------------------
+    RefHashTableOf(const RefHashTableOf<TVal>&);
+    RefHashTableOf<TVal>& operator=(const RefHashTableOf<TVal>&);
+
+    // -----------------------------------------------------------------------
+    //  Private methods
+    // -----------------------------------------------------------------------
+    RefHashTableBucketElem<TVal>* findBucketElem(const void* const key, unsigned int& hashVal);
+    const RefHashTableBucketElem<TVal>* findBucketElem(const void* const key, unsigned int& hashVal) const;
+    void initialize(const unsigned int modulus);
+    void rehash();
+
+
+    // -----------------------------------------------------------------------
+    //  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 key data type.
+    // -----------------------------------------------------------------------
+    MemoryManager*                 fMemoryManager;
+    bool                           fAdoptedElems;
+    RefHashTableBucketElem<TVal>** fBucketList;
+    unsigned int                   fHashModulus;
+    unsigned int                   fInitialModulus;
+    unsigned int                   fCount;
+    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 RefHashTableOfEnumerator : public XMLEnumerator<TVal>, public XMemory
+{
+public :
+    // -----------------------------------------------------------------------
+    //  Constructors and Destructor
+    // -----------------------------------------------------------------------
+    RefHashTableOfEnumerator(RefHashTableOf<TVal>* const toEnum
+        , const bool adopt = false
+        , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager);
+    virtual ~RefHashTableOfEnumerator();
+
+    RefHashTableOfEnumerator(const RefHashTableOfEnumerator<TVal>&);
+    // -----------------------------------------------------------------------
+    //  Enum interface
+    // -----------------------------------------------------------------------
+    bool hasMoreElements() const;
+    TVal& nextElement();
+    void Reset();
+
+    // -----------------------------------------------------------------------
+    //  New interface specific for key used in RefHashable
+    // -----------------------------------------------------------------------
+    void* nextElementKey();
+
+private :
+    // -----------------------------------------------------------------------
+    //  Unimplemented constructors and operators
+    // -----------------------------------------------------------------------
+    RefHashTableOfEnumerator<TVal>& operator=(const RefHashTableOfEnumerator<TVal>&);
+
+    // -----------------------------------------------------------------------
+    //  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;
+    RefHashTableBucketElem<TVal>*         fCurElem;
+    unsigned int                          fCurHash;
+    RefHashTableOf<TVal>*                 fToEnum;
+    MemoryManager* const                  fMemoryManager;
+};
+
+XERCES_CPP_NAMESPACE_END
+
+#if !defined(XERCES_TMPLSINC)
+#include <xercesc/util/RefHashTableOf.c>
+#endif
+
+#endif
+