reorganized file layout (part 1: moves and renames)

[org.ibex.core.git] / src / gnu / regexp / REFilterInputStream.java

diff --git a/src/gnu/regexp/REFilterInputStream.java b/src/gnu/regexp/REFilterInputStream.java
deleted file mode 100644 (file)
index 0f4d501..0000000
--- a/src/gnu/regexp/REFilterInputStream.java
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- *  gnu/regexp/REFilterInputStream.java
- *  Copyright (C) 1998-2001 Wes Biggs
- *
- *  This library is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU Lesser General Public License as published
- *  by the Free Software Foundation; either version 2.1 of the License, or
- *  (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-package gnu.regexp;
-import java.io.FilterInputStream;
-import java.io.InputStream;
-
-/**
- * Replaces instances of a given RE found within an InputStream
- * with replacement text.   The replacements are interpolated into the
- * stream when a match is found.
- *
- * @author <A HREF="mailto:wes@cacas.org">Wes Biggs</A>
- * @deprecated This class cannot properly handle all character
- *             encodings.  For proper handling, use the REFilterReader
- *             class instead.
- */
-
-public class REFilterInputStream extends FilterInputStream {
-
-    private RE expr;
-    private String replace;
-    private String buffer;
-    private int bufpos;
-    private int offset;
-    private CharIndexedInputStream stream;
-
-  /**
-   * Creates an REFilterInputStream.  When reading from this stream,
-   * occurrences of patterns matching the supplied regular expression
-   * will be replaced with the supplied replacement text (the
-   * metacharacters $0 through $9 may be used to refer to the full
-   * match or subexpression matches).
-   *
-   * @param stream The InputStream to be filtered.
-   * @param expr The regular expression to search for.
-   * @param replace The text pattern to replace matches with.  
-   */
-  public REFilterInputStream(InputStream stream, RE expr, String replace) {
-    super(stream);
-    this.stream = new CharIndexedInputStream(stream,0);
-    this.expr = expr;
-    this.replace = replace;
-  }
-
-  /**
-   * Reads the next byte from the stream per the general contract of
-   * InputStream.read().  Returns -1 on error or end of stream.
-   */
-  public int read() {
-    // If we have buffered replace data, use it.
-    if ((buffer != null) && (bufpos < buffer.length())) {
-      return (int) buffer.charAt(bufpos++);
-    }
-
-    // check if input is at a valid position
-    if (!stream.isValid()) return -1;
-
-    REMatch mymatch = new REMatch(expr.getNumSubs(),offset,0);
-    if (expr.match(stream, mymatch)) {
-      mymatch.end[0] = mymatch.index;
-      mymatch.finish(stream);
-      stream.move(mymatch.toString().length());
-      offset += mymatch.toString().length();
-      buffer = mymatch.substituteInto(replace);
-      bufpos = 1;
-
-      // This is prone to infinite loops if replace string turns out empty.
-      if (buffer.length() > 0) {
-         return buffer.charAt(0);
-      }
-    }
-    char ch = stream.charAt(0);
-    if (ch == CharIndexed.OUT_OF_BOUNDS) return -1;
-    stream.move(1);
-    offset++;
-    return ch;
-  }
-
-  /** 
-   * Returns false.  REFilterInputStream does not support mark() and
-   * reset() methods. 
-   */
-  public boolean markSupported() {
-    return false;
-  }
-
-  /** Reads from the stream into the provided array. */
-  public int read(byte[] b, int off, int len) {
-    int i;
-    int ok = 0;
-    while (len-- > 0) {
-      i = read();
-      if (i == -1) return (ok == 0) ? -1 : ok;
-      b[off++] = (byte) i;
-      ok++;
-    }
-    return ok;
-  }
-
-  /** Reads from the stream into the provided array. */
-  public int read(byte[] b) {
-    return read(b,0,b.length);
-  }
-}