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1
19
20 package org.netbeans.modules.lexer.demo;
21
22 import org.netbeans.api.lexer.Token;
23 import org.netbeans.api.lexer.TokenId;
24 import org.netbeans.spi.lexer.inc.RawOffsetToken;
25 import org.netbeans.spi.lexer.util.IntegerCache;
26
27
33
34 public class DemoToken implements RawOffsetToken, CharSequence  {
35
36 private final DemoTokenUpdater tokenUpdater;
37
38 private final TokenId id;
39
40 private int rawOffset;
41
42 private final int length;
43
44 private int lookahead;
45
46 private int lookback;
47
48 private Object state;
49
50
51 DemoToken(DemoTokenUpdater tokenUpdater, TokenId id, int rawOffset, int length) {
52 if (tokenUpdater == null) {
53 throw new NullPointerException ();
54 }
55
56 if (id == null) {
57 throw new NullPointerException ();
58 }
59
60 if (rawOffset < 0) {
61 throw new IllegalArgumentException ("rawOffset=" + rawOffset);
62 }
63
64 if (length < 0) {
65 throw new IllegalArgumentException ("length=" + length);
66 }
67
68 this.tokenUpdater = tokenUpdater;
69 this.id = id;
70 this.rawOffset = rawOffset;
71 this.length = length;
72 }
73
74 protected final DemoTokenUpdater getTokenUpdater() {
75 return tokenUpdater;
76 }
77
78 public TokenId getId() {
79 return id;
80 }
81
82 public CharSequence getText() {
83 return this;
84 }
85
86 public int getOffset() {
87 return tokenUpdater.getOffset(rawOffset);
88 }
89
90 public int getRawOffset() {
91 return rawOffset;
92 }
93
94 public void setRawOffset(int rawOffset) {
95 this.rawOffset = rawOffset;
96 }
97
98 public void updateRawOffset(int diff) {
99 rawOffset += diff;
100 }
101
102 public int length() {
103 return length;
104 }
105
106 public char charAt(int index) {
107 if (index < 0 || index >= length) {
108 throw new IllegalStateException ("index=" + index + ", length=" + length);
109 }
110
111 return tokenUpdater.charAt(rawOffset, index);
112 }
113
114 public CharSequence subSequence(int start, int end) {
115 if (start < 0 || end < 0 || start > end || end > length()) {
116 throw new IndexOutOfBoundsException (
117 "start=" + start + ", end=" + end + ", length()=" + length());
118 }
119
120 return (CharSequence )(Object )toString().substring(start, end); }
122
123 public int getLookahead() {
124 return lookahead;
125 }
126
127 void setLookahead(int lookahead) {
128 this.lookahead = lookahead;
129 }
130
131 public int getLookback() {
132 return lookback;
133 }
134
135 void setLookback(int lookback) {
136 this.lookback = lookback;
137 }
138
139 public Object getState() {
140 return state;
141 }
142
143 void setState(Object state) {
144 this.state = state;
145 }
146
147 public String toString() {
148 StringBuffer sb = new StringBuffer ();
149 for (int i = 0; i < length(); i++) {
150 sb.append(charAt(i));
151 }
152 return sb.toString();
153 }
154
155 }
156
157 |
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