mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
99 lines
3.1 KiB
Java
99 lines
3.1 KiB
Java
/*
|
|
* ====================================================================
|
|
* Licensed to the Apache Software Foundation (ASF) under one
|
|
* or more contributor license agreements. See the NOTICE file
|
|
* distributed with this work for additional information
|
|
* regarding copyright ownership. The ASF licenses this file
|
|
* to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance
|
|
* with the License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing,
|
|
* software distributed under the License is distributed on an
|
|
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
|
* KIND, either express or implied. See the License for the
|
|
* specific language governing permissions and limitations
|
|
* under the License.
|
|
* ====================================================================
|
|
*
|
|
* This software consists of voluntary contributions made by many
|
|
* individuals on behalf of the Apache Software Foundation. For more
|
|
* information on the Apache Software Foundation, please see
|
|
* <http://www.apache.org/>.
|
|
*
|
|
*/
|
|
|
|
package ch.boye.httpclientandroidlib.message;
|
|
|
|
import ch.boye.httpclientandroidlib.util.CharArrayBuffer;
|
|
|
|
/**
|
|
* This class represents a context of a parsing operation:
|
|
* <ul>
|
|
* <li>the current position the parsing operation is expected to start at</li>
|
|
* <li>the bounds limiting the scope of the parsing operation</li>
|
|
* </ul>
|
|
*
|
|
* @since 4.0
|
|
*/
|
|
public class ParserCursor {
|
|
|
|
private final int lowerBound;
|
|
private final int upperBound;
|
|
private int pos;
|
|
|
|
public ParserCursor(int lowerBound, int upperBound) {
|
|
super();
|
|
if (lowerBound < 0) {
|
|
throw new IndexOutOfBoundsException("Lower bound cannot be negative");
|
|
}
|
|
if (lowerBound > upperBound) {
|
|
throw new IndexOutOfBoundsException("Lower bound cannot be greater then upper bound");
|
|
}
|
|
this.lowerBound = lowerBound;
|
|
this.upperBound = upperBound;
|
|
this.pos = lowerBound;
|
|
}
|
|
|
|
public int getLowerBound() {
|
|
return this.lowerBound;
|
|
}
|
|
|
|
public int getUpperBound() {
|
|
return this.upperBound;
|
|
}
|
|
|
|
public int getPos() {
|
|
return this.pos;
|
|
}
|
|
|
|
public void updatePos(int pos) {
|
|
if (pos < this.lowerBound) {
|
|
throw new IndexOutOfBoundsException("pos: "+pos+" < lowerBound: "+this.lowerBound);
|
|
}
|
|
if (pos > this.upperBound) {
|
|
throw new IndexOutOfBoundsException("pos: "+pos+" > upperBound: "+this.upperBound);
|
|
}
|
|
this.pos = pos;
|
|
}
|
|
|
|
public boolean atEnd() {
|
|
return this.pos >= this.upperBound;
|
|
}
|
|
|
|
public String toString() {
|
|
CharArrayBuffer buffer = new CharArrayBuffer(16);
|
|
buffer.append('[');
|
|
buffer.append(Integer.toString(this.lowerBound));
|
|
buffer.append('>');
|
|
buffer.append(Integer.toString(this.pos));
|
|
buffer.append('>');
|
|
buffer.append(Integer.toString(this.upperBound));
|
|
buffer.append(']');
|
|
return buffer.toString();
|
|
}
|
|
|
|
}
|