| /* |
| |
| 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. |
| |
| */ |
| package org.apache.batik.util.io; |
| |
| import java.io.IOException; |
| |
| /** |
| * This class represents a NormalizingReader which handles Strings. |
| * |
| * @author <a href="mailto:stephane@hillion.org">Stephane Hillion</a> |
| * @version $Id$ |
| */ |
| public class StringNormalizingReader extends NormalizingReader { |
| |
| /** |
| * The characters. |
| */ |
| protected String string; |
| |
| /** |
| * The length of the string. |
| */ |
| protected int length; |
| |
| /** |
| * The index of the next character. |
| */ |
| protected int next; |
| |
| /** |
| * The current line in the stream. |
| */ |
| protected int line = 1; |
| |
| /** |
| * The current column in the stream. |
| */ |
| protected int column; |
| |
| /** |
| * Creates a new StringNormalizingReader. |
| * @param s The string to read. |
| */ |
| public StringNormalizingReader(String s) { |
| string = s; |
| length = s.length(); |
| } |
| |
| /** |
| * Read a single character. This method will block until a |
| * character is available, an I/O error occurs, or the end of the |
| * stream is reached. |
| */ |
| public int read() throws IOException { |
| int result = (length == next) ? -1 : string.charAt(next++); |
| if (result <= 13) { |
| switch (result) { |
| case 13: |
| column = 0; |
| line++; |
| int c = (length == next) ? -1 : string.charAt(next); |
| if (c == 10) { |
| next++; |
| } |
| return 10; |
| |
| case 10: |
| column = 0; |
| line++; |
| } |
| } |
| return result; |
| } |
| |
| /** |
| * Returns the current line in the stream. |
| */ |
| public int getLine() { |
| return line; |
| } |
| |
| /** |
| * Returns the current column in the stream. |
| */ |
| public int getColumn() { |
| return column; |
| } |
| |
| /** |
| * Close the stream. |
| */ |
| public void close() throws IOException { |
| string = null; |
| } |
| } |