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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2006 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module dwtx.text.edits.TreeIterationInfo;
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14
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131
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15 import dwtx.text.edits.MultiTextEdit; // packageimport
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16 import dwtx.text.edits.CopySourceEdit; // packageimport
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17 import dwtx.text.edits.MoveSourceEdit; // packageimport
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18 import dwtx.text.edits.CopyingRangeMarker; // packageimport
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19 import dwtx.text.edits.ReplaceEdit; // packageimport
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20 import dwtx.text.edits.EditDocument; // packageimport
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21 import dwtx.text.edits.UndoCollector; // packageimport
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22 import dwtx.text.edits.DeleteEdit; // packageimport
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23 import dwtx.text.edits.MoveTargetEdit; // packageimport
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24 import dwtx.text.edits.CopyTargetEdit; // packageimport
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25 import dwtx.text.edits.TextEditCopier; // packageimport
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26 import dwtx.text.edits.ISourceModifier; // packageimport
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27 import dwtx.text.edits.TextEditMessages; // packageimport
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28 import dwtx.text.edits.TextEditProcessor; // packageimport
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29 import dwtx.text.edits.MalformedTreeException; // packageimport
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30 import dwtx.text.edits.TextEditVisitor; // packageimport
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31 import dwtx.text.edits.TextEditGroup; // packageimport
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32 import dwtx.text.edits.TextEdit; // packageimport
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33 import dwtx.text.edits.RangeMarker; // packageimport
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34 import dwtx.text.edits.UndoEdit; // packageimport
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35 import dwtx.text.edits.InsertEdit; // packageimport
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36
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37
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129
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38 import dwt.dwthelper.utils;
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39
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40 import dwtx.core.runtime.Assert;
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41
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42
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43 class TreeIterationInfo {
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44
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45 interface Visitor {
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46 void visit(TextEdit edit);
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47 }
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48
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49 private int fMark= -1;
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159
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50 private TextEdit[][] fEditStack;
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51 private int[] fIndexStack;
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52
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53 public this(){
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54 fEditStack= new TextEdit[][](10);
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55 fIndexStack= new int[10];
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56 }
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129
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57
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58 public int getSize() {
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59 return fMark + 1;
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60 }
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61 public void push(TextEdit[] edits) {
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62 if (++fMark is fEditStack.length) {
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159
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63 TextEdit[][] t1= new TextEdit[][](fEditStack.length * 2);
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64 SimpleType!(TextEdit[]).arraycopy(fEditStack, 0, t1, 0, fEditStack.length);
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129
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65 fEditStack= t1;
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66 int[] t2= new int[fEditStack.length];
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67 System.arraycopy(fIndexStack, 0, t2, 0, fIndexStack.length);
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68 fIndexStack= t2;
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69 }
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70 fEditStack[fMark]= edits;
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71 fIndexStack[fMark]= -1;
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72 }
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73 public void setIndex(int index) {
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74 fIndexStack[fMark]= index;
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75 }
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76 public void pop() {
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77 fEditStack[fMark]= null;
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78 fIndexStack[fMark]= -1;
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79 fMark--;
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80 }
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81 public void accept(Visitor visitor) {
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82 for (int i= fMark; i >= 0; i--) {
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83 Assert.isTrue(fIndexStack[i] >= 0);
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84 int start= fIndexStack[i] + 1;
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85 TextEdit[] edits= fEditStack[i];
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86 for (int s= start; s < edits.length; s++) {
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87 visitor.visit(edits[s]);
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88 }
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89 }
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90 }
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91 }
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