starmath/source/caret.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9 #include "caret.hxx"
  10
  11 /////////////////////////////// SmCaretPosGraph ////////////////////////////////
  12
  13 SmCaretPosGraphEntry* SmCaretPosGraphIterator::Next(){
  14     if(nOffset >= pGraph->nOffset){
  15         if(pGraph->pNext){
  16             pGraph = pGraph->pNext;
  17             nOffset = 0;
  18             pEntry = Next();
  19         }else
  20             pEntry = NULL;
  21     }else
  22         pEntry = pGraph->Graph + nOffset++;
  23     return pEntry;
  24 }
  25
  26 SmCaretPosGraphEntry* SmCaretPosGraph::Add(SmCaretPosGraphEntry entry){
  27     if(nOffset >= SmCaretPosGraphSize){
  28         if(!pNext)
  29             pNext = new SmCaretPosGraph();
  30         return pNext->Add(entry);
  31     }else{
  32         //Set Left and Right to point to the entry itself if they are NULL
  33         entry.Left = entry.Left ? entry.Left : Graph + nOffset;
  34         entry.Right = entry.Right ? entry.Right : Graph + nOffset;
  35         //Save the entry
  36         Graph[nOffset] = entry;
  37         return Graph + nOffset++;
  38     }
  39 }
  40
  41 SmCaretPosGraph::~SmCaretPosGraph(){
  42     if(pNext)
  43         delete pNext;
  44     pNext = NULL;
  45 }
  46
  47 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */