// LineInputStream
// A stream with some useful stdio-like methods. Can be used either for
// inheriting those methods into your own input stream, or for adding them
// to some input stream.
import java.io.InputStream;
import java.io.IOException;
import java.io.EOFException;
public class LineInputStream
{
InputStream in;
LineInputStream(InputStream i)
{ in = i; }
LineInputStream()
{ }
public int read() throws IOException
{ return in.read(); }
public int read(byte b[]) throws IOException
{ return in.read(b); }
public int read(byte b[], int o, int l) throws IOException
{ return in.read(b, o, l); }
public long skip(long n) throws IOException
{ return in.skip(n); }
public int available() throws IOException
{ return in.available(); }
public void close() throws IOException
{ in.close(); }
public synchronized void mark(int readlimit)
{ in.mark(readlimit); }
public synchronized void reset() throws IOException
{ in.reset(); }
public boolean markSupported()
{ return in.markSupported(); }
// gets
// Read a line and return it (minus the \n)
String gets() throws IOException, EOFException
{
StringBuffer buf = new StringBuffer();
int b;
while((b = read()) != '\n') {
if (b == -1) throw new EOFException();
buf.append((char)b);
}
if (buf.length() != 0 && buf.charAt(buf.length()-1) == '\r')
buf.setLength(buf.length()-1); // lose \r
return buf.toString();
}
// getw
// Read a single word, surrounded by whitespace
String getw() throws IOException, EOFException
{
StringBuffer buf = new StringBuffer();
// skip spaces
int b;
do {
if ((b = read()) == -1) throw new EOFException();
} while(Character.isSpace((char)b));
// add characters
do {
buf.append((char)b);
if ((b = read()) == -1) throw new EOFException();
} while(!Character.isSpace((char)b));
return buf.toString();
}
// readdata
// Fill the given array completely, even if read() only reads
// some max number of bytes at a time.
public int readdata(byte b[]) throws IOException, EOFException
{
int p = 0;
while(p < b.length)
p += read(b, p, b.length-p);
return b.length;
}
}
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