// $Id: epsclist.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============================ */ #include "camtypes.h" //#include "epsclist.h" - in camtypes.h [AUTOMATICALLY REMOVED] #include "epscdef.h" CC_IMPLEMENT_DYNAMIC ( EPSCommentList, CCObject ) /******************************************************************************************** > EPSCommentList::EPSCommentList ( void ) Author: Graeme_Sutherland (Xara Group Ltd) Created: 28/4/00 Inputs: - Returns: - Purpose: Creates the class, and sets all the variables to be a default value. SeeAlso: EPSCommentList::~EPSCommentList ********************************************************************************************/ EPSCommentList::EPSCommentList ( void ) { // Set the comment list pointer to be NULL, so as to avoid any problems with adding // items to it. mpCommentList = NULL; mListSize = 0; } /******************************************************************************************** > EPSCommentList::~EPSCommentList ( void ) Author: Graeme_Sutherland (Xara Group Ltd) Created: 28/4/00 Inputs: - Returns: - Purpose: Destroys the class, and all of its member variables. SeeAlso: EPSCommentList::EPSCommentList ********************************************************************************************/ EPSCommentList::~EPSCommentList ( void ) { // Delete the list. This invokes a recursive call to remove all successive items. delete mpCommentList; } /******************************************************************************************** > BOOL EPSCommentList::Add ( TCHAR *pStart, TCHAR *pEnd, BOOL DoProcessComments, UINT32 NestingDepth ) Author: Graeme_Sutherland (Xara Group Ltd) Created: 28/4/00 Inputs: pStart - Pointer to the comment starting a comment block. pEnd - Pointer to the comment that ends this block. DoProcessComments - Do the comments need processing? NestingDepth - The depth to which comments can be nested. Returns: TRUE - Success. FALSE - The object was not created. Purpose: Adds a list item to the end of mpCommentList record. SeeAlso: EPSCommentDef::EPSCommentDef ********************************************************************************************/ BOOL EPSCommentList::Add ( TCHAR *pStart, TCHAR *pEnd, BOOL DoProcessComments, UINT32 NestingDepth ) { // Create a new EPSCommentDef, and assign the appropriate values. EPSCommentDef *pNewDef = new EPSCommentDef ( pStart, pEnd, DoProcessComments, NestingDepth ); // Determine whether something was created. if ( pNewDef != NULL ) { // Add it to the end of the list. if ( mpCommentList == NULL ) { // The pointer is NULL, so just assign the value. mpCommentList = pNewDef; } else { // There already is a list, so add this to it. mpCommentList->Add ( pNewDef ); } // Maintain a count of the number of elements in the list. mListSize ++; return TRUE; } else { // Not enough memory. return FALSE; } } /******************************************************************************************** > const EPSCommentDef& EPSCommentList::ReturnElement ( INT32 Index ); Author: Graeme_Sutherland (Xara Group Ltd) Created: 1/5/00 Inputs: Index - The number of the element to be accessed. Returns: &pItem - A reference to an item in the list. Purpose: Returns a reference to the nth item in the linked list, where n = Index. ********************************************************************************************/ const EPSCommentDef& EPSCommentList::ReturnElement ( INT32 Index ) { // Set up the local variables. EPSCommentDef *pItem = mpCommentList; EPSCommentDef *pNext = NULL; INT32 Count = 0; // Ensure that the comment list has been initialised. ERROR1IF ( pItem == NULL, EmptyDefinition, "The comment list hasn't been initialised!" ); // Catch out-of-bounds calls. if ( Index >= mListSize ) return EmptyDefinition; // Loop through the list until there are no more items, or we reach the right index. while ( pNext = pItem->GetNext (), Count < Index && pNext != NULL ) { pItem = pNext; Count ++; } // Return the appropriate list item. return *pItem; }