secureswitools/swisistools/source/xmlparser/xerces/include/xercesc/util/RefHash3KeysIdPool.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/RefHash3KeysIdPool.hpp	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,301 @@
+/*
+* 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: RefHash3KeysIdPool.hpp 568078 2007-08-21 11:43:25Z amassari $
+ */
+
+
+#if !defined(REFHASH3KEYSIDPOOL_HPP)
+#define REFHASH3KEYSIDPOOL_HPP
+
+
+#include <xercesc/util/HashBase.hpp>
+#include <xercesc/util/IllegalArgumentException.hpp>
+#include <xercesc/util/NoSuchElementException.hpp>
+#include <xercesc/util/RuntimeException.hpp>
+#include <xercesc/util/PlatformUtils.hpp>
+#include <xercesc/util/XMLString.hpp>
+#include <xercesc/util/HashXMLCh.hpp>
+
+XERCES_CPP_NAMESPACE_BEGIN
+
+// This hash table is a combination of RefHash2KeyTableOf (with an additional integer as key3)
+// and NameIdPool with an id as index
+
+//
+//  Forward declare the enumerator so he can be our friend. Can you say
+//  friend? Sure...
+//
+template <class TVal> class RefHash3KeysIdPoolEnumerator;
+template <class TVal> struct RefHash3KeysTableBucketElem;
+
+
+//
+//  This should really be a nested class, but some of the compilers we
+//  have to support cannot deal with that!
+//
+template <class TVal> struct RefHash3KeysTableBucketElem
+{
+    RefHash3KeysTableBucketElem(
+              void* key1
+              , int key2
+              , int key3
+              , TVal* const value
+              , RefHash3KeysTableBucketElem<TVal>* next) :
+		fData(value)
+    , fNext(next)
+    , fKey1(key1)
+    , fKey2(key2)
+    , fKey3(key3)
+    {
+    }
+    
+    RefHash3KeysTableBucketElem() {};
+    ~RefHash3KeysTableBucketElem() {};
+
+    TVal*  fData;
+    RefHash3KeysTableBucketElem<TVal>*   fNext;
+    void*  fKey1;
+    int    fKey2;
+    int    fKey3;
+
+private:
+    // -----------------------------------------------------------------------
+    //  Unimplemented constructors and operators
+    // -----------------------------------------------------------------------
+    RefHash3KeysTableBucketElem(const RefHash3KeysTableBucketElem<TVal>&);
+    RefHash3KeysTableBucketElem<TVal>& operator=(const RefHash3KeysTableBucketElem<TVal>&);
+};
+
+
+template <class TVal> class RefHash3KeysIdPool : public XMemory
+{
+public:
+    // -----------------------------------------------------------------------
+    //  Constructors and Destructor
+    // -----------------------------------------------------------------------
+    // backwards compatability - default hasher is HashXMLCh
+    RefHash3KeysIdPool
+    (
+          const unsigned int   modulus
+        , const unsigned int   initSize = 128
+        , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
+    );
+
+    // backwards compatability - default hasher is HashXMLCh
+    RefHash3KeysIdPool
+    (
+          const unsigned int   modulus
+        , const bool           adoptElems
+        , const unsigned int   initSize = 128
+        , 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.
+    RefHash3KeysIdPool
+    (
+          const unsigned int   modulus
+        , const bool           adoptElems
+        , HashBase* hashBase
+        , const unsigned int initSize = 128
+        , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
+    );
+
+    ~RefHash3KeysIdPool();
+
+    // -----------------------------------------------------------------------
+    //  Element management
+    // -----------------------------------------------------------------------
+    bool isEmpty() const;
+    bool containsKey(const void* const key1, const int key2, const int key3) const;
+    void removeAll();
+
+
+    // -----------------------------------------------------------------------
+    //  Getters
+    // -----------------------------------------------------------------------
+    TVal* getByKey(const void* const key1, const int key2, const int key3);
+    const TVal* getByKey(const void* const key1, const int key2, const int key3) const;
+
+    TVal* getById(const unsigned elemId);
+    const TVal* getById(const unsigned elemId) const;
+
+    MemoryManager* getMemoryManager() const;
+    unsigned int   getHashModulus()   const;
+
+    // -----------------------------------------------------------------------
+    //  Putters
+    // -----------------------------------------------------------------------
+	unsigned int put(void* key1, int key2, int key3, TVal* const valueToAdopt);
+
+
+private :
+    // -----------------------------------------------------------------------
+    //  Declare our friends
+    // -----------------------------------------------------------------------
+    friend class RefHash3KeysIdPoolEnumerator<TVal>;
+
+private:
+    // -----------------------------------------------------------------------
+    //  Unimplemented constructors and operators
+    // -----------------------------------------------------------------------
+    RefHash3KeysIdPool(const RefHash3KeysIdPool<TVal>&);
+    RefHash3KeysIdPool<TVal>& operator=(const RefHash3KeysIdPool<TVal>&);
+
+    // -----------------------------------------------------------------------
+    //  Private methods
+    // -----------------------------------------------------------------------
+    RefHash3KeysTableBucketElem<TVal>* findBucketElem(const void* const key1, const int key2, const int key3, unsigned int& hashVal);
+    const RefHash3KeysTableBucketElem<TVal>* findBucketElem(const void* const key1, const int key2, const int 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.
+    // -----------------------------------------------------------------------
+    MemoryManager*                      fMemoryManager;
+    bool                                fAdoptedElems;
+    RefHash3KeysTableBucketElem<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 RefHash3KeysIdPoolEnumerator : public XMLEnumerator<TVal>, public XMemory
+{
+public :
+    // -----------------------------------------------------------------------
+    //  Constructors and Destructor
+    // -----------------------------------------------------------------------
+    RefHash3KeysIdPoolEnumerator(RefHash3KeysIdPool<TVal>* const toEnum
+        , const bool adopt = false
+        , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager);
+    virtual ~RefHash3KeysIdPoolEnumerator();
+
+    RefHash3KeysIdPoolEnumerator(const RefHash3KeysIdPoolEnumerator<TVal>&);
+    // -----------------------------------------------------------------------
+    //  Enum interface
+    // -----------------------------------------------------------------------
+    bool hasMoreElements() const;
+    TVal& nextElement();
+    void Reset();
+    int  size() const;
+
+    // -----------------------------------------------------------------------
+    //  New interface 
+    // -----------------------------------------------------------------------
+    void resetKey();
+    void nextElementKey(void*&, int&, int&);
+    bool hasMoreKeys()   const;
+
+private :
+    // -----------------------------------------------------------------------
+    //  Unimplemented constructors and operators
+    // -----------------------------------------------------------------------    
+    RefHash3KeysIdPoolEnumerator<TVal>& operator=(const RefHash3KeysIdPoolEnumerator<TVal>&);
+
+    // -----------------------------------------------------------------------
+    //  Private methods
+    // -----------------------------------------------------------------------
+    void findNext();
+
+    // -----------------------------------------------------------------------
+    //  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;
+    RefHash3KeysIdPool<TVal>*           fToEnum;
+    RefHash3KeysTableBucketElem<TVal>*  fCurElem;
+    unsigned int                        fCurHash;
+    MemoryManager* const                fMemoryManager;
+};
+
+XERCES_CPP_NAMESPACE_END
+
+#if !defined(XERCES_TMPLSINC)
+#include <xercesc/util/RefHash3KeysIdPool.c>
+#endif
+
+#endif