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1 package jester;
2
3 import java.io.IOException  ;
4 import java.io.Writer ;
5 import java.util.*;
6
7 public class IgnoreListDocument {
8 public static final String FILE_NAME = "ignorelist.cfg";
9 private IgnoreList ignoreList;
10 private String source;
11 private List ignoreRegions = new ArrayList();
12
13 public IgnoreListDocument(String source, IgnoreList ignoreList) throws ConfigurationException {
14 this.ignoreList = ignoreList;
15 this.source = source;
16 calculateIgnoreRegions();
17 }
18
19 public String toString() {
20 StringBuffer result = new StringBuffer ();
21 result.append("IgnoreListDocument");
22 if(ignoreRegions.size()>0){
23 result.append(" with ignoreRegions:\n");
24 }
25 for (Iterator ignoreRegionIter = ignoreRegions.iterator(); ignoreRegionIter.hasNext();) {
26 IgnoreRegion ignoreRegion = (IgnoreRegion) ignoreRegionIter.next();
27 result.append(ignoreRegion.within(source)+"\n");
28 }
29 return result.toString();
30 }
31
32 public int length(){
33 return source.length();
34 }
35 public char charAt(int index){
36 char spaceWhenInsideIgnoreRegionToAvoidMisuse = ' ';
37 return isInIgnoreRegion(index) ? spaceWhenInsideIgnoreRegionToAvoidMisuse : source.charAt(index);
38 }
39 public String substring(int start, int end){
41 return source.substring(start, end);
42 }
43
44 public void writeOnto(Writer writer, int start, int end) throws IOException {
45 writer.write(source, start, end);
46 }
47
48 private void calculateIgnoreRegions() throws ConfigurationException {
49 List ignorePairs = ignoreList.ignorePairs();
50 for (Iterator iter = ignorePairs.iterator(); iter.hasNext();) {
51 IgnorePair ignorePair = (IgnorePair) iter.next();
52 calculateIgnoreRegions(ignorePair);
53 }
54 }
55
56 private void calculateIgnoreRegions(IgnorePair ignorePair) {
57 String start = ignorePair.getStart();
58 String end = ignorePair.getEnd();
59
60 int previousEndIndex = 0;
61 while(true){
62 int indexOfStart = source.indexOf(start, previousEndIndex);
63 if (indexOfStart==-1){
64 return;
65 }
66 int indexOfEnd = source.indexOf(end, indexOfStart);
67 if (indexOfEnd==-1){
68 return;
69 }
70 ignoreRegions.add(new IgnoreRegion(indexOfStart, indexOfEnd));
71 previousEndIndex = indexOfEnd;
72 }
73 }
74
75 public int indexOf(String string, int startIndex) {
76 int index = source.indexOf(string, startIndex);
77 if (index==-1){
78 return index;
79 }
80 if (isInIgnoreRegion(index)){
81 return indexOf(string, index+1);
82 }else{
83 return index;
84 }
85 }
86
87 private boolean isInIgnoreRegion(int index) {
88 for (Iterator iter = ignoreRegions.iterator(); iter.hasNext();) {
89 IgnoreRegion ignoreRegion = (IgnoreRegion) iter.next();
90 if (ignoreRegion.includes(index)){
91 return true;
92 }
93 }
94 return false;
95 }
96 }
97 |
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