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1 package org.apache.oro.text.regex;
2
3
59
60
69 final class CharStringPointer {
70 static final char _END_OF_STRING = Character.MAX_VALUE;
71 int _offset;
72 char[] _array;
73
74 CharStringPointer(char[] charArray, int offset) {
75 _array = charArray;
76 _offset = offset;
77 }
78
79 CharStringPointer(char[] charArray) {
80 this(charArray, 0);
81 }
82
83 char _getValue() {
84 return _getValue(_offset);
85 }
86
87 char _getValue(int offset) {
88 if(offset < _array.length && offset >= 0)
89 return _array[offset];
90 return _END_OF_STRING;
91 }
92
93 char _getValueRelative(int offset) {
94 return _getValue(_offset + offset);
95 }
96
97 int _getLength() { return _array.length; }
98
99 int _getOffset() { return _offset; }
100
101 void _setOffset(int offset) { _offset = offset; }
102
103 boolean _isAtEnd() {
104 return (_offset >= _array.length);
105 }
106
107 char _increment(int inc) {
108 _offset+=inc;
109 if(_isAtEnd()) {
110 _offset = _array.length;
111 return _END_OF_STRING;
112 }
113
114 return _array[_offset];
115 }
116
117 char _increment() { return _increment(1); }
118
119 char _decrement(int inc) {
120 _offset-=inc;
121 if(_offset < 0)
122 _offset = 0;
123
124 return _array[_offset];
125 }
126
127 char _decrement() { return _decrement(1); }
128
129 char _postIncrement() {
130 char ret;
131 ret = _getValue();
132 _increment();
133 return ret;
134 }
135
136 char _postDecrement() {
137 char ret;
138 ret = _getValue();
139 _decrement();
140 return ret;
141 }
142
143
144 String  _toString(int offset) {
145 return new String (_array, offset, _array.length - offset);
146 }
147
148 public String toString() {
149 return _toString(0);
150 }
151 }
152 |
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