172 lines
4.1 KiB
C++
172 lines
4.1 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 TransforMiiX XSLT processor.
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*
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* The Initial Developer of the Original Code is The MITRE Corporation.
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* Portions created by MITRE are Copyright (C) 1999 The MITRE Corporation.
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*
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* Portions created by Keith Visco as a Non MITRE employee,
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* (C) 1999 Keith Visco. 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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*/
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/**
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* A Named Map for TxObjects
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**/
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#ifndef TRANSFRMX_NAMEDMAP_H
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#define TRANSFRMX_NAMEDMAP_H
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#include "baseutils.h"
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#include "TxObject.h"
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#include "StringList.h"
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class NamedMap : 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 NodeStack with the default Size
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**/
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NamedMap();
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/**
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* Creates a new NodeStack with the specified number of buckets
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**/
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NamedMap(int size);
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/**
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* Destructor for a NamedMap 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 ~NamedMap();
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/**
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* Returns a list of all the keys of this NamedMap.
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*
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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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StringList* 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(const String& name);
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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(const char* name);
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/**
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* Adds the Object reference to the map and associates it with the given name
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**/
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void put(const String& name, TxObject* obj);
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/**
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* Adds the Object reference to the map and associates it with the given name
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**/
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void put(const char* name, 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 Nodes in the NodeSet.
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* @return true if there are no Nodes in the NodeSet.
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**/
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MBool isEmpty();
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/**
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* Removes the Node at the specified index from the NodeSet
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* @param index the position in the NodeSet to remove the Node from
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* @return the Node that was removed from the list
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**/
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TxObject* remove(const String& 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 NamedMap 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 NamedMap
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* @return the number of key-element in the NamedMap
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**/
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int size();
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void dumpMap();
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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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String 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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PRInt32 numberOfBuckets;
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PRInt32 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(const String& key, TxObject* objPtr);
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BucketItem* getBucketItem(const String& key);
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unsigned long hashKey(const String& 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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