4ebb6cce15
comparisons. DefaultStringComparator is the default implementation of StringComparator. Map.h/cpp is a simple HashMap implementation for TxObjects. git-svn-id: svn://10.0.0.236/trunk@65695 18797224-902f-48f8-a5cc-f745e15eee43
156 lines
3.6 KiB
C++
156 lines
3.6 KiB
C++
/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is XSL:P XSLT processor.
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*
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* The Initial Developer of the Original Code is Keith Visco.
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*
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* Portions created by Keith Visco (C) 1999-2000 Keith Visco.
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* All Rights Reserved.
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*
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* Contributor(s):
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* Keith Visco, kvisco@ziplink.net
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* -- original author.
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*
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* $Id: Map.h,v 1.1 2000-04-12 10:49:40 kvisco%ziplink.net Exp $
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*/
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/*
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* A Hashtable for TxObjects
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* @version $Revision: 1.1 $ $Date: 2000-04-12 10:49:40 $
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*/
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#ifndef TRANSFRMX_MAP_H
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#define TRANSFRMX_MAP_H
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#include "baseutils.h"
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#include "TxObject.h"
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#include "List.h"
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class Map : public TxObject {
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public:
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//----------------/
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//- Constructors -/
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//----------------/
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/**
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* Creates a new Map with the default Size
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**/
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Map();
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/**
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* Creates a new Map with the specified number of buckets
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**/
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Map(int size);
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/**
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* Destructor for a Map table, will not delete references unless
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* The setObjectDeletion flag has been set to MB_TRUE
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**/
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virtual ~Map();
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/**
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* Returns a list of all the keys of this Map.
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* <BR />
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* You will need to delete this List when you are done with it.
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**/
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List* keys();
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/**
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* Returns the object reference in this Map associated with the given name
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* @return the object reference in this Map associated with the given name
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**/
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TxObject* get(TxObject* key);
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/**
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* Adds the TxObject reference to the map and associates it with the given
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* key
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**/
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void put(TxObject* key, TxObject* obj);
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/**
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* Removes all elements from the Map table
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**/
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void clear();
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void clear(MBool doObjectDeletion);
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/**
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* Returns true if there are no elements in this Map
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* @return true if there are no elements in this Map.
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**/
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MBool isEmpty();
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/**
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* Removes the object associated with the given key from this Map
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* @param key the TxObject used to compute the hashCode for the object to remove
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* from the Map
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* @return the removed object
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**/
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TxObject* remove(TxObject* key);
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/**
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* Sets the object deletion flag. If set to true, objects in
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* the Map will be deleted upon calling the clear() method, or
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* upon destruction. By default this is false.
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**/
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void setObjectDeletion(MBool deleteObjects);
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/**
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* Returns the number of key-element pairs in the Map
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* @return the number of key-element in the Map
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**/
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int size();
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//-------------------/
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//- Private Members -/
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//-------------------/
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private:
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struct BucketItem {
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TxObject* key;
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TxObject* item;
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BucketItem* next;
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BucketItem* prev;
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};
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static const int DEFAULT_SIZE;
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// map table
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BucketItem** elements;
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Int32 numberOfBuckets;
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Int32 numberOfElements;
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MBool doObjectDeletion;
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//-------------------/
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//- Private Methods -/
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//-------------------/
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BucketItem* createBucketItem(TxObject* key, TxObject* objPtr);
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BucketItem* getBucketItem(TxObject* key);
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/**
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* Helper method for constructors
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**/
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void initialize(int size);
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}; //-- NamedMap
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#endif
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