Mercurial > projects > dwt-addons
view dwtx/text/edits/TreeIterationInfo.d @ 159:7926b636c282
...
author | Frank Benoit <benoit@tionex.de> |
---|---|
date | Wed, 27 Aug 2008 01:57:58 +0200 |
parents | c4fb132a086c |
children |
line wrap: on
line source
/******************************************************************************* * Copyright (c) 2000, 2006 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation * Port to the D programming language: * Frank Benoit <benoit@tionex.de> *******************************************************************************/ module dwtx.text.edits.TreeIterationInfo; import dwtx.text.edits.MultiTextEdit; // packageimport import dwtx.text.edits.CopySourceEdit; // packageimport import dwtx.text.edits.MoveSourceEdit; // packageimport import dwtx.text.edits.CopyingRangeMarker; // packageimport import dwtx.text.edits.ReplaceEdit; // packageimport import dwtx.text.edits.EditDocument; // packageimport import dwtx.text.edits.UndoCollector; // packageimport import dwtx.text.edits.DeleteEdit; // packageimport import dwtx.text.edits.MoveTargetEdit; // packageimport import dwtx.text.edits.CopyTargetEdit; // packageimport import dwtx.text.edits.TextEditCopier; // packageimport import dwtx.text.edits.ISourceModifier; // packageimport import dwtx.text.edits.TextEditMessages; // packageimport import dwtx.text.edits.TextEditProcessor; // packageimport import dwtx.text.edits.MalformedTreeException; // packageimport import dwtx.text.edits.TextEditVisitor; // packageimport import dwtx.text.edits.TextEditGroup; // packageimport import dwtx.text.edits.TextEdit; // packageimport import dwtx.text.edits.RangeMarker; // packageimport import dwtx.text.edits.UndoEdit; // packageimport import dwtx.text.edits.InsertEdit; // packageimport import dwt.dwthelper.utils; import dwtx.core.runtime.Assert; class TreeIterationInfo { interface Visitor { void visit(TextEdit edit); } private int fMark= -1; private TextEdit[][] fEditStack; private int[] fIndexStack; public this(){ fEditStack= new TextEdit[][](10); fIndexStack= new int[10]; } public int getSize() { return fMark + 1; } public void push(TextEdit[] edits) { if (++fMark is fEditStack.length) { TextEdit[][] t1= new TextEdit[][](fEditStack.length * 2); SimpleType!(TextEdit[]).arraycopy(fEditStack, 0, t1, 0, fEditStack.length); fEditStack= t1; int[] t2= new int[fEditStack.length]; System.arraycopy(fIndexStack, 0, t2, 0, fIndexStack.length); fIndexStack= t2; } fEditStack[fMark]= edits; fIndexStack[fMark]= -1; } public void setIndex(int index) { fIndexStack[fMark]= index; } public void pop() { fEditStack[fMark]= null; fIndexStack[fMark]= -1; fMark--; } public void accept(Visitor visitor) { for (int i= fMark; i >= 0; i--) { Assert.isTrue(fIndexStack[i] >= 0); int start= fIndexStack[i] + 1; TextEdit[] edits= fEditStack[i]; for (int s= start; s < edits.length; s++) { visitor.visit(edits[s]); } } } }