AOO410/main/rsc/source/tools/rsctree.cxx

/**************************************************************
 * 
 * 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.
 * 
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_rsc.hxx"
/****************** I N C L U D E S **************************************/

// C and C++ Includes.
#include <stdlib.h>
#include <stdio.h>
#include <string.h>

// Programmabh�ngige Includes.
#include <tools/link.hxx>
#include <rsctree.hxx>

/****************** C O D E **********************************************/

/****************** B i N o d e ******************************************/
/*************************************************************************
|*
|*	  BiNode::BiNode()
|*
|*	  Beschreibung		NAME.DOC
|*	  Ersterstellung	MM 07.02.91
|*	  Letzte Aenderung	MM 07.02.91
|*
*************************************************************************/
BiNode::BiNode(){
	pLeft = pRight = NULL;
}

/*************************************************************************
|*
|*	  BiNode::~BiNode()
|*
|*	  Beschreibung
|*	  Ersterstellung	MM 07.02.91
|*	  Letzte Aenderung	MM 07.02.91
|*
*************************************************************************/
BiNode::~BiNode(){
}

/*************************************************************************
|*
|*	  BiNode::EnumNodes()
|*
|*	  Beschreibung
|*	  Ersterstellung	MM 07.02.91
|*	  Letzte Aenderung	MM 07.02.91
|*
*************************************************************************/
void BiNode::EnumNodes( Link aLink ) const{
	if( Left() )
		Left()->EnumNodes( aLink );
	aLink.Call( (BiNode *)this );
	if( Right() )
		Right()->EnumNodes( aLink );
}

/*************************************************************************
|*
|*	  BiNode::ChangeDLListBTree()
|*
|*	  Beschreibung
|*	  Ersterstellung	MM 11.01.91
|*	  Letzte Aenderung	MM 11.01.91
|*
*************************************************************************/
BiNode * BiNode::ChangeDLListBTree( BiNode * pList ){
	BiNode * pRightNode;
	BiNode * pMiddle;
	BiNode * pTmp;
	sal_uInt32 nEle, i;

	if( pList ){
		while( pList->Left() )
			pList = pList->Left();
		pTmp = pList;
		for( nEle = 0; pTmp->Right(); nEle++ )
			pTmp = pTmp->Right();
		pMiddle = pList;
		if( nEle / 2 )
			for( i = 0; i < (nEle / 2); i++ )
				pMiddle = pMiddle->Right();
		else
			pList = (BiNode *)0;

		if( NULL != (pTmp = pMiddle->Left()) )	// rechten Zeiger auf Null
			pTmp->pRight = (BiNode *)0;

		// linken Zeiger auf Null
		if( NULL != (pRightNode = pMiddle->Right()) )
			pRightNode->pLeft = (BiNode *)0;

		pMiddle->pLeft = ChangeDLListBTree( pList );
		pMiddle->pRight = ChangeDLListBTree( pRightNode );

		return( pMiddle );
	}
	return( pList );
}

/*************************************************************************
|*
|*	  BiNode::ChangeBTreeDLList()
|*
|*	  Beschreibung
|*	  Ersterstellung	MM 11.01.91
|*	  Letzte Aenderung	MM 11.01.91
|*
*************************************************************************/
BiNode * BiNode::ChangeBTreeDLList(){
	BiNode * pList;
	BiNode * pLL_RN;	// linke Liste rechter Knoten

	if( Right() ){
		pList = Right()->ChangeBTreeDLList();
		pRight = pList;
		pList->pLeft = this;
	}
	pList = this;
	if( Left() ){
		pLL_RN = pList = Left()->ChangeBTreeDLList();
		while( pLL_RN->Right() )
			pLL_RN = pLL_RN->Right();
		pLeft = pLL_RN;
		pLL_RN->pRight = this;
	}
	return( pList );
}

/****************** N a m e N o d e **************************************/
/*************************************************************************
|*
|*	  NameNode::Remove()
|*
|*	  Beschreibung
|*	  Ersterstellung	MM 10.07.91
|*	  Letzte Aenderung	MM 10.07.91
|*
*************************************************************************/
NameNode * NameNode::Remove( NameNode * pRemove ){
	NameNode * pRoot = this;
	NameNode * pParent = SearchParent( pRemove );

	if( pParent ){
		if( pParent->Left()
		  && (EQUAL == pRemove->Compare( pParent->Left() ) ) ){
			pParent->pLeft = pRemove->Left();
			if( pRemove->Right() )
				pParent->Insert( pRemove->Right() );
		}
		else if( pParent->Right()
		  && (EQUAL == pRemove->Compare( pParent->Right() ) ) ){
			pParent->pRight = pRemove->Right();
			if( pRemove->Left() )
				pParent->Insert( pRemove->Left() );
		}
	}
	else if( EQUAL == this->Compare( pRemove ) ){
		if( Right() ){
			pRoot = Right();
			if( Left() )
				Right()->Insert( Left() );
		}
		else{
			pRoot = Left();
		}
	}
	pRemove->pLeft = pRemove->pRight = NULL;

	return pRoot;
}


/*************************************************************************
|*
|*	  NameNode::Compare
|*
|*	  Beschreibung
|*	  Ersterstellung	MM 10.07.91
|*	  Letzte Aenderung	MM 13.07.91
|*
*************************************************************************/
COMPARE NameNode::Compare( const NameNode * pCompare ) const{
	if( (long)this < (long)pCompare )
		return LESS;
	else if( (long)this > (long)pCompare )
		return GREATER;
	else
		return EQUAL;
}

COMPARE NameNode::Compare( const void * pCompare ) const{
	if( (long)this < (long)pCompare )
		return LESS;
	else if( (long)this > (long)pCompare )
		return GREATER;
	else
		return EQUAL;
}

/*************************************************************************
|*
|*	  NameNode::SearchParent
|*
|*	  Beschreibung
|*	  Ersterstellung	MM 10.07.91
|*	  Letzte Aenderung	MM 10.07.91
|*
*************************************************************************/
NameNode* NameNode::SearchParent( const NameNode * pSearch ) const{
// search for a parent node.
// return a pointer to the parent node if found.
// otherwise return 0.
	int nCmp = Compare( pSearch );

	if( nCmp == GREATER ){
		if( Left() ){
			if( ((NameNode *)Left())->Compare( pSearch ) == EQUAL )
				return (NameNode *)this;
			return ((NameNode *)Left())->SearchParent( pSearch );
		};
	}
	else if( nCmp == LESS ){
		if( Right() ){
			if( ((NameNode *)Right())->Compare( pSearch ) == EQUAL )
				return (NameNode *)this;
			return ((NameNode *)Right())->SearchParent( pSearch );
		}
	};
	return( (NameNode *)NULL );
}

/*************************************************************************
|*
|*	  NameNode::Search
|*
|*	  Beschreibung
|*	  Ersterstellung	MM 21.03.90
|*	  Letzte Aenderung	MM 27.06.90
|*
*************************************************************************/
NameNode* NameNode::Search( const NameNode * pSearch ) const{
// search for a node.
// return a pointer to the node if found.
// otherwise return 0.
	int nCmp = Compare( pSearch );

	if( nCmp == GREATER ){
		if( Left() )
			return ((NameNode *)Left())->Search( pSearch );
	}
	else if( nCmp == LESS ){
		if( Right() )
			return ((NameNode *)Right())->Search( pSearch );
	}
	else
		return( (NameNode *)this );

	return( NULL );
}

NameNode* NameNode::Search( const void * pSearch ) const{
// search for a node.
// return a pointer to the node if found.
// otherwise return 0.
	int nCmp = Compare( pSearch );

	if( nCmp == GREATER ){
		if( Left() )
			return ((NameNode *)Left())->Search( pSearch );
	}
	else if( nCmp == LESS ){
		if( Right() )
			return ((NameNode *)Right())->Search( pSearch );
	}
	else
		return( (NameNode *)this );

	return( NULL );
}

/*************************************************************************
|*
|*	  NameNode::Insert()
|*
|*	  Beschreibung		NAME.DOC
|*	  Ersterstellung	MM 11.01.91
|*	  Letzte Aenderung	MM 11.01.91
|*
*************************************************************************/
sal_Bool NameNode::Insert( NameNode * pTN, sal_uInt32* pnDepth ){
// Ein Knoten wird in den Baum eingefuegt
// Gibt es einen Knoten mit dem gleichen Namen, dann return sal_False
// sonst return sal_True. Der Knoten wird auf jeden Fall eingefuegt.

	sal_Bool bRet = sal_True;
	int nCmp = Compare( pTN );

	*pnDepth += 1;
	if( nCmp == GREATER ){
		if( Left() )
			bRet =	((NameNode *)Left())->Insert( pTN, pnDepth );
		else
			pLeft = pTN;
	}
	else{
		if( Right() )
			bRet = ((NameNode *)Right())->Insert( pTN, pnDepth );
		else
			pRight = pTN;
		if( nCmp == EQUAL )
			bRet = sal_False;
	};
	return( bRet );
}

/*************************************************************************
|*
|*	  NameNode::Insert()
|*
|*	  Beschreibung		NAME.DOC
|*	  Ersterstellung	MM 21.03.90
|*	  Letzte Aenderung	MM 11.01.91
|*
*************************************************************************/
sal_Bool NameNode::Insert( NameNode * pTN ){
// insert a node in the tree.
// if the node with the same name is in, return sal_False and no insert.
// if not return true.
	sal_uInt32	nDepth = 0;
	sal_Bool		bRet;

	bRet = Insert( pTN, &nDepth );
	if( bRet ){
		if( nDepth > 20 ){
			if( Left() )
				pLeft =  ChangeDLListBTree(  Left()->ChangeBTreeDLList() );
			if( Right() )
				pRight = ChangeDLListBTree( Right()->ChangeBTreeDLList() );
		}
	}

	return( bRet );
}

/*************************************************************************
|*
|*	  NameNode::OrderTree()
|*
|*	  Beschreibung
|*	  Ersterstellung	MM 23.09.91
|*	  Letzte Aenderung	MM 23.09.91
|*
*************************************************************************/
void NameNode::OrderTree(){
	NameNode * pTmpLeft = (NameNode *)Left();
	NameNode * pTmpRight = (NameNode *)Right();

	pLeft = NULL;
	pRight = NULL;
	SubOrderTree( pTmpLeft );
	SubOrderTree( pTmpRight );
}

void NameNode::SubOrderTree( NameNode * pOrderNode ){
	if( pOrderNode ){
		NameNode * pTmpLeft = (NameNode *)pOrderNode->Left();
		NameNode * pTmpRight = (NameNode *)pOrderNode->Right();
		pOrderNode->pLeft = NULL;
		pOrderNode->pRight = NULL;
		Insert( pOrderNode );
		SubOrderTree( pTmpLeft );
		SubOrderTree( pTmpRight );
	}
}

/*************************************************************************
|*
|*	  NameNode::IdOrderTree()
|*
|*	  Beschreibung
|*	  Ersterstellung	MM 15.11.91
|*	  Letzte Aenderung	MM 15.11.91
|*
*************************************************************************/
class OrderCtrl {
	sal_Bool	   bOrder;
	NameNode * pName;
	DECL_LINK( CallBackFunc, NameNode * );
public:
			OrderCtrl() { bOrder = sal_False; pName = NULL; }
	sal_Bool	IsOrder( const NameNode * pRoot )
	{
			bOrder = sal_True;
			pName  = NULL;
			pRoot->EnumNodes( LINK( this, OrderCtrl, CallBackFunc ) );
			return bOrder;
	};
};
IMPL_LINK_INLINE_START( OrderCtrl, CallBackFunc, NameNode *, pNext )
{
	if( pName && pName->Compare( pNext ) != LESS )
		bOrder = sal_False;
	pName = pNext;
	return 0;
}
IMPL_LINK_INLINE_END( OrderCtrl, CallBackFunc, NameNode *, pNext )

sal_Bool NameNode::IsOrderTree() const{
	OrderCtrl aOrder;

	return aOrder.IsOrder( this );
}

/****************** I d N o d e ******************************************/
/*************************************************************************
|*
|*	  IdNode::Search()
|*
|*	  Beschreibung
|*	  Ersterstellung	MM 06.11.91
|*	  Letzte Aenderung	MM 06.11.91
|*
*************************************************************************/
IdNode * IdNode::Search( sal_uInt32 nTypeName ) const{
	return( (IdNode *)NameNode::Search( (const void *)&nTypeName ) );
}

/*************************************************************************
|*
|*	  IdNode::Compare()
|*
|*	  Beschreibung
|*	  Ersterstellung	MM 06.11.91
|*	  Letzte Aenderung	MM 06.11.91
|*
*************************************************************************/
COMPARE IdNode::Compare( const NameNode * pSearch ) const
{
	if( GetId() < (sal_uInt32)(((const IdNode *)pSearch)->GetId()) )
		return LESS;
	else if( GetId() > (sal_uInt32)(((const IdNode *)pSearch)->GetId()) )
		return GREATER;
	else
		return EQUAL;
}

COMPARE IdNode::Compare( const void * pSearch ) const{
// pSearch ist ein Zeiger auf sal_uInt32

	if( GetId() < *((const sal_uInt32 *)pSearch) )
		return LESS;
	else if( GetId() > *((const sal_uInt32 *)pSearch) )
		return GREATER;
	else
		return EQUAL;
}

/*************************************************************************
|*
|*	  IdNode::GetId()
|*
|*	  Beschreibung
|*	  Ersterstellung	MM 23.09.91
|*	  Letzte Aenderung	MM 23.09.91
|*
*************************************************************************/
sal_uInt32 IdNode::GetId() const
{
	return( 0xFFFFFFFF );
}

/*************************************************************************
|*
|*	  StringNode::Search()
|*
|*	  Beschreibung
|*	  Ersterstellung	MM 06.11.91
|*	  Letzte Aenderung	MM 06.11.91
|*
*************************************************************************/
StringNode * StringNode::Search( const char * pSearch ) const{
	return (StringNode *)NameNode::Search( (const void *)pSearch );
}

/*************************************************************************
|*
|*	  StringNode::Compare()
|*
|*	  Beschreibung
|*	  Ersterstellung	MM 06.11.91
|*	  Letzte Aenderung	MM 06.11.91
|*
*************************************************************************/
COMPARE StringNode::Compare( const NameNode * pSearch ) const
{
	int nCmp = strcmp( aName.GetBuffer(),
		    		   ((const StringNode *)pSearch)->aName.GetBuffer() );
	if( nCmp < 0 )
		return LESS;
	else if( nCmp > 0 )
		return GREATER;
	else
		return EQUAL;
}

COMPARE StringNode::Compare( const void * pSearch ) const
{
// pSearch ist ein Zeiger auf const char *
	int nCmp = strcmp( aName.GetBuffer(), (const char *)pSearch );

	if( nCmp < 0 )
		return LESS;
	else if( nCmp > 0 )
		return GREATER;
	else
		return EQUAL;
}