// $Id: cxflists.cpp 1282 2006-06-09 09:46:49Z alex $ /* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE ================================XARAHEADERSTART=========================== Xara LX, a vector drawing and manipulation program. Copyright (C) 1993-2006 Xara Group Ltd. Copyright on certain contributions may be held in joint with their respective authors. See AUTHORS file for details. LICENSE TO USE AND MODIFY SOFTWARE ---------------------------------- This file is part of Xara LX. Xara LX is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation. Xara LX and its component source files are distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. 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Xara Group Ltd, Gaddesden Place, Hemel Hempstead, HP2 6EX, UK. http://www.xara.com/ =================================XARAHEADEREND============================ */ // Implements bits of the stuff defined in cxflists.h #include "camtypes.h" //#include "camfiltr.h" - in camtypes.h [AUTOMATICALLY REMOVED] #include "cxflists.h" //#include "group.h" - in camtypes.h [AUTOMATICALLY REMOVED] #include "cxftags.h" /*********************************************************************************************** > CXaraFileTextStoryGroupRefListItem::~CXaraFileTextStoryGroupRefListItem(); Author: Mark_Neves (Xara Group Ltd) Created: 31/8/96 Inputs: - Returns: - Purpose: Destroys every last fragmented morsal of this pathetic excuse for an object. If it has a group, its children are deleted via CascadeDelete(), then the group itself is deleted ***********************************************************************************************/ // WEBSTER - markn 31/1/97 // Replaced with general system /* CXaraFileTextStoryGroupRefListItem::~CXaraFileTextStoryGroupRefListItem() { if (pNodeGroup != NULL) { pNodeGroup->CascadeDelete(); delete pNodeGroup; pNodeGroup = NULL; } } */ //---------------------------------------------------------------------------------------------- //---------------------------------------------------------------------------------------------- /*********************************************************************************************** > CXaraFileNodeGroupRefListItem::~CXaraFileNodeGroupRefListItem(); Author: Mark_Neves (Xara Group Ltd) Created: 29/1/97 Inputs: - Returns: - Purpose: Destroys every last fragmented morsal of this pathetic excuse for an object. If it has a group, its children are deleted via CascadeDelete(), then the group itself is deleted WEBSTER - markn 29/1/97 Part of the general form of the system used to convert text to outlines in v1.5 ***********************************************************************************************/ CXaraFileNodeGroupRefListItem::~CXaraFileNodeGroupRefListItem() { if (pNodeGroup != NULL) { pNodeGroup->CascadeDelete(); delete pNodeGroup; pNodeGroup = NULL; } } //---------------------------------------------------------------------------------------------- //---------------------------------------------------------------------------------------------- /*********************************************************************************************** > InsertLevelStackItem::InsertLevelStackItem(BaseCamelotFilter* pThisFilter) Author: Mark_Neves (Xara Group Ltd) Created: 2/9/96 Inputs: pThisFilter = ptr to the filter this item is used by Returns: - Purpose: The default constructor ***********************************************************************************************/ InsertLevelStackItem::InsertLevelStackItem(BaseCamelotFilter* pThisFilter) { NumNodesInserted = 0; pLastInsertedNode = NULL; pLastHandler = NULL; LastHandledTag = TAG_UNDEFINED; pFilter = pThisFilter; LastNodeInformedChildrenComplete = FALSE; ERROR3IF(pFilter == NULL,"pFilter is NULL"); } /*********************************************************************************************** > BOOL InsertLevelStackItem::SetLastInsertedNode(Node* pNode) Author: Mark_Neves (Xara Group Ltd) Created: 18/9/96 Inputs: pNode = ptr to node just inserted into the tree Returns: TRUE if ok, FALSE if a failure has ocurred Purpose: Sets the last inserted node of this tree ***********************************************************************************************/ BOOL InsertLevelStackItem::SetLastInsertedNode(Node* pNode) { ERROR3IF(pNode == NULL,"pNode is NULL"); if (pNode != NULL) { if (pNode->FindPrevious() == pLastInsertedNode) { if (!InformLastInsertedNodeChildrenComplete()) return FALSE; } pLastInsertedNode = pNode; LastNodeInformedChildrenComplete = FALSE; IncNumNodesInserted(); // Inc the number of nodes on this level } return TRUE; } /*********************************************************************************************** > BOOL InsertLevelStackItem::InformLastInsertedNodeChildrenComplete() Author: Mark_Neves (Xara Group Ltd) Created: 18/9/96 Inputs: - Returns: TRUE if ok, FALSE if a failure has ocurred Purpose: Tells the last inserted node that its children are complete ***********************************************************************************************/ BOOL InsertLevelStackItem::InformLastInsertedNodeChildrenComplete() { ERROR3IF(pFilter == NULL,"pFilter is NULL"); if (!LastNodeInformedChildrenComplete && pLastInsertedNode != NULL && pFilter != NULL) { if (!pFilter->ReadPostChildren(pLastInsertedNode)) return FALSE; LastNodeInformedChildrenComplete = TRUE; } return TRUE; } //---------------------------------------------------------------------------------------------- //---------------------------------------------------------------------------------------------- /*********************************************************************************************** > InsertLevelStack::InsertLevelStack(); Author: Mark_Neves (Xara Group Ltd) Created: 3/9/96 Inputs: - Returns: - Purpose: The default constructor ***********************************************************************************************/ InsertLevelStack::InsertLevelStack() { InsertLevel = 0; } /*********************************************************************************************** > InsertLevelStack::~InsertLevelStack(); Author: Mark_Neves (Xara Group Ltd) Created: 3/9/96 Inputs: - Returns: - Purpose: The default destructor - deletes all the list's items ***********************************************************************************************/ InsertLevelStack::~InsertLevelStack() { DeleteAll(); } /*********************************************************************************************** > void InsertLevelStack::Add(InsertLevelStackItem* pItem) Author: Mark_Neves (Xara Group Ltd) Created: 3/9/96 Inputs: pItem Returns: - Purpose: Adds the item to the top of the stack ***********************************************************************************************/ void InsertLevelStack::Add(InsertLevelStackItem* pItem) { InsertLevel++; AddTail(pItem); } /*********************************************************************************************** > InsertLevelStackItem* InsertLevelStack::Get() Author: Mark_Neves (Xara Group Ltd) Created: 3/9/96 Inputs: - Returns: ptr to a InsertLevelStackItem Purpose: Returns a ptr to the item on the top of the stack, without removing it ***********************************************************************************************/ InsertLevelStackItem* InsertLevelStack::Get() { return (InsertLevelStackItem*)List::GetTail(); } /*********************************************************************************************** > InsertLevelStackItem* InsertLevelStack::Pop() Author: Mark_Neves (Xara Group Ltd) Created: 3/9/96 Inputs: - Returns: ptr to a InsertLevelStackItem Purpose: Removes the item from the top of the stack, and returns a ptr to it ***********************************************************************************************/ InsertLevelStackItem* InsertLevelStack::Pop() { if (InsertLevel == 0) { ERROR3("InsertLevel == 0"); return NULL; } InsertLevel--; return (InsertLevelStackItem*)List::RemoveTail(); }