mirror of git://gcc.gnu.org/git/gcc.git
84 lines
1.7 KiB
Java
84 lines
1.7 KiB
Java
/* Copyright (C) 1998, 1999 Red Hat, Inc.
|
|
|
|
This file is part of libgcj.
|
|
|
|
This software is copyrighted work licensed under the terms of the
|
|
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
|
|
details. */
|
|
|
|
package java.io;
|
|
|
|
/**
|
|
* @author Warren Levy <warrenl@cygnus.com>
|
|
* @date November 11, 1998.
|
|
* @deprecated
|
|
*/
|
|
/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
|
|
* "The Java Language Specification", ISBN 0-201-63451-1
|
|
* plus online API docs for JDK 1.2 beta from http://www.javasoft.com.
|
|
* Status: Believed complete and correct. Deprecated in JDK 1.1.
|
|
*/
|
|
|
|
public class StringBufferInputStream extends InputStream
|
|
{
|
|
/* The String which is the input to this stream. */
|
|
protected String buffer;
|
|
|
|
/* Position of the next byte in buffer to be read. */
|
|
protected int pos = 0;
|
|
|
|
/* The length of the String buffer. */
|
|
protected int count;
|
|
|
|
public StringBufferInputStream(String s)
|
|
{
|
|
buffer = s;
|
|
count = s.length();
|
|
}
|
|
|
|
public int available()
|
|
{
|
|
return count - pos;
|
|
}
|
|
|
|
public int read()
|
|
{
|
|
if (pos >= count)
|
|
return -1; // EOF
|
|
|
|
return ((int) buffer.charAt(pos++)) & 0xFF;
|
|
}
|
|
|
|
public int read(byte[] b, int off, int len)
|
|
{
|
|
if (off < 0 || len < 0 || off + len > b.length)
|
|
throw new ArrayIndexOutOfBoundsException();
|
|
|
|
if (pos >= count)
|
|
return -1; // EOF
|
|
|
|
int numRead = Math.min(len, count - pos);
|
|
if (numRead < 0)
|
|
return 0;
|
|
|
|
buffer.getBytes(pos, pos + numRead, b, off);
|
|
pos += numRead;
|
|
return numRead;
|
|
}
|
|
|
|
public void reset()
|
|
{
|
|
pos = 0;
|
|
}
|
|
|
|
public long skip(long n)
|
|
{
|
|
if (n < 0)
|
|
return 0L;
|
|
|
|
long actualSkip = Math.min(n, count - pos);
|
|
pos += actualSkip;
|
|
return actualSkip;
|
|
}
|
|
}
|