зеркало из https://github.com/mozilla/gecko-dev.git
87 строки
2.2 KiB
C++
87 строки
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape Public
|
|
* License Version 1.1 (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.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS
|
|
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
|
|
* implied. See the License for the specific language governing
|
|
* rights and limitations under the License.
|
|
*
|
|
* The Original Code is Mozilla Communicator client code.
|
|
*
|
|
* The Initial Developer of the Original Code is Netscape Communications
|
|
* Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Simon Fraser <sfraser@netscape.com>
|
|
*/
|
|
|
|
|
|
#ifndef PatricaTree_h_
|
|
#define PatricaTree_h_
|
|
|
|
#include "patricia.h"
|
|
|
|
// node base class. Subclass for your nodes.
|
|
|
|
class CPatriciaNode
|
|
{
|
|
public:
|
|
CPatriciaNode() {}
|
|
virtual ~CPatriciaNode() {}
|
|
};
|
|
|
|
|
|
// tree base class. Subclass for your tree.
|
|
|
|
class CPatriciaTree
|
|
{
|
|
public:
|
|
|
|
typedef const unsigned char* TPatriciaKey;
|
|
|
|
CPatriciaTree(long keyBitsLen);
|
|
virtual ~CPatriciaTree();
|
|
|
|
// override if you want variable replace functionality
|
|
// returns true if replaced
|
|
virtual Boolean InsertNode(TPatriciaKey key, CPatriciaNode* nodeData);
|
|
|
|
// returns true if found
|
|
Boolean SeekNode(TPatriciaKey key, CPatriciaNode**outNodeData);
|
|
|
|
// returns true if entire tree traversed
|
|
Boolean Traverse(NodeTraverseFunction traverseFcn, void *arg, void *refCon);
|
|
|
|
long GetNumNodes();
|
|
|
|
protected:
|
|
|
|
// your implementation should override these.
|
|
virtual int ReplaceNode(CPatriciaNode**nodeDataPtr, TPatriciaKey key, CPatriciaNode *replaceData);
|
|
virtual int FreeNode(CPatriciaNode *nodeData, TPatriciaKey key);
|
|
|
|
private:
|
|
|
|
// static callbacks.
|
|
static int NodeReplaceCallback(void**nodeDataPtr, unsigned char *key, void *replaceData, void *refCon);
|
|
static int NodeFreeCallback(void *nodeData, unsigned char *key, void *refCon);
|
|
|
|
protected:
|
|
|
|
PatriciaTreeRef mTree;
|
|
long mKeyBits;
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
#endif // PatricaTree_h_
|
|
|