CharIndexedReader.java: Removed.

       * gnu/regexp/CharIndexedReader.java: Removed.
       * gnu/regexp/REFilterReader.java: Likewise.
       * gnu/regexp/RETokenLookAhead.java: Likewise.
       * Makefile.am (ordinary_java_source_files): Remove above classes.
       * Makefile.in: Regenerated.

From-SVN: r81890

3 files changed, 0 insertions, 327 deletions

diff --git a/libjava/gnu/regexp/CharIndexedReader.java b/libjava/gnu/regexp/CharIndexedReader.java
deleted file mode 100644
index aa0fa5a..0000000
--- a/libjava/gnu/regexp/CharIndexedReader.java
+++ /dev/null
@@ -1,142 +0,0 @@
-/*
- *  gnu/regexp/CharIndexedReader.java
- *  Copyright (C) 2001 Lee Sau Dan
- *  Based on gnu.regexp.CharIndexedInputStream by 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.Reader;
-import java.io.BufferedReader;
-import java.io.IOException;
-
-// TODO: move(x) shouldn't rely on calling next() x times
-
-class CharIndexedReader implements CharIndexed {
-    private static final int BUFFER_INCREMENT = 1024;
-    private static final int UNKNOWN = Integer.MAX_VALUE; // value for end
-    
-    private final BufferedReader br;
-    // so that we don't try to reset() right away
-    private int index = -1;
-
-    private int bufsize = BUFFER_INCREMENT;
-
-    private int end = UNKNOWN;
-
-    private char cached = OUT_OF_BOUNDS;
-
-    // Big enough for a \r\n pair
-    // lookBehind[0] = most recent
-    // lookBehind[1] = second most recent
-    private char[] lookBehind = new char[] { OUT_OF_BOUNDS, OUT_OF_BOUNDS }; 
-  
-    CharIndexedReader(Reader reader, int index) {
-	if (reader instanceof BufferedReader) {
-	    br = (BufferedReader) reader; 
-	} else {
-	    br = new BufferedReader(reader,BUFFER_INCREMENT);
-	}
-	next();
-	if (index > 0) move(index);
-    }
-    
-    private boolean next() {
-	lookBehind[1] = lookBehind[0];
-	lookBehind[0] = cached;
-
-	if (end == 1) {
-	    cached = OUT_OF_BOUNDS;
-	    return false;
-	}
-	end--; // closer to end
-	
-	try {
-	    if (index != -1) {
-		br.reset();
-	    }
-	    int i = br.read();
-	    br.mark(bufsize);
-	    if (i == -1) {
-		end = 1;
-		cached = OUT_OF_BOUNDS;
-		return false;
-	    }
-
-	    // convert the byte read into a char
-	    cached = (char) i;
-	    index = 1;
-	} catch (IOException e) { 
-	    e.printStackTrace();
-	    cached = OUT_OF_BOUNDS;
-	    return false; 
-	}
-	return true;
-    }
-    
-    public char charAt(int index) {
-	if (index == 0) {
-	    return cached;
-	} else if (index >= end) {
-	    return OUT_OF_BOUNDS;
-	} else if (index >= bufsize) {
-	    // Allocate more space in the buffer.
-	    try {
-		while (bufsize <= index) bufsize += BUFFER_INCREMENT;
-		br.reset();
-		br.mark(bufsize);
-		br.skip(index-1);
-	    } catch (IOException e) { }
-	} else if (this.index != index) {
-	    try {
-		br.reset();
-		br.skip(index-1);
-	    } catch (IOException e) { }
-	} else if (index == -1) {
-	    return lookBehind[0];
-	} else if (index == -2) {
-	    return lookBehind[1];
-	} else if (index < -2) {
-	    return OUT_OF_BOUNDS;
-	}
-
-	char ch = OUT_OF_BOUNDS;
-	
-	try {
-	    int i = br.read();
-	    this.index = index+1; // this.index is index of next pos relative to charAt(0)
-	    if (i == -1) {
-		// set flag that next should fail next time?
-		end = index;
-		return ch;
-	    }
-	    ch = (char) i;
-	} catch (IOException ie) { }
-	
-	return ch;
-    }
-    
-    public boolean move(int index) {
-	// move read position [index] clicks from 'charAt(0)'
-	boolean retval = true;
-	while (retval && (index-- > 0)) retval = next();
-	return retval;
-    }
-    
-    public boolean isValid() {
-	return (cached != OUT_OF_BOUNDS);
-    }
-}
diff --git a/libjava/gnu/regexp/REFilterReader.java b/libjava/gnu/regexp/REFilterReader.java
deleted file mode 100644
index 449efcc..0000000
--- a/libjava/gnu/regexp/REFilterReader.java
+++ /dev/null
@@ -1,117 +0,0 @@
-/*
- *  gnu/regexp/REFilterReader.java
- *  Copyright (C) 2001 Lee Sau Dan
- *  Based on gnu.regexp.REFilterInputStream by 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.FilterReader;
-import java.io.Reader;
-
-/**
- * Replaces instances of a given RE with replacement text. 
- *
- * @author <A HREF="http://www.csis.hku.hk/~sdlee/">Lee Sau Dan</A>
- * @since gnu.regexp 1.1.0
- */
-
-public class REFilterReader extends FilterReader {
-
-  private RE expr;
-  private String replace;
-  private String buffer;
-  private int bufpos;
-  private int offset;
-  private CharIndexedReader stream;
-
-  /**
-   * Creates an REFilterReader.  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 Reader to be filtered.
-   * @param expr The regular expression to search for.
-   * @param replace The text pattern to replace matches with.  
-   */
-  public REFilterReader(Reader stream, RE expr, String replace) {
-    super(stream);
-    this.stream = new CharIndexedReader(stream,0);
-    this.expr = expr;
-    this.replace = replace;
-  }
-
-  /**
-   * Reads the next character from the stream per the general contract of
-   * Reader.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;
-
-      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.  REFilterReader does not support mark() and
-   * reset() methods. 
-   */
-  public boolean markSupported() {
-    return false;
-  }
-
-  /** Reads from the stream into the provided array. */
-  public int read(char[] 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++] = (char) i;
-      ok++;
-    }
-    return ok;
-  }
-
-  /** Reads from the stream into the provided array. */
-  public int read(char[] b) {
-    return read(b,0,b.length);
-  }
-}
diff --git a/libjava/gnu/regexp/RETokenLookAhead.java b/libjava/gnu/regexp/RETokenLookAhead.java
deleted file mode 100644
index 74a9bfe..0000000
--- a/libjava/gnu/regexp/RETokenLookAhead.java
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- *  gnu/regexp/RETokenOneOf.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;
-
-/**
- * @since gnu.regexp 1.1.3
- * @author Shashank Bapat
- */
-final class RETokenLookAhead extends REToken
-{
-  REToken re;
-  boolean negative;
-
-  RETokenLookAhead(REToken re, boolean negative) throws REException {
-    super(0);
-    this.re = re;
-    this.negative = negative;
-  }
-
-  boolean match(CharIndexed input, REMatch mymatch)
-  {
-    REMatch trymatch = (REMatch)mymatch.clone();
-    REMatch trymatch1 = (REMatch)mymatch.clone();
-    REMatch newMatch = null;
-    if (re.match(input, trymatch)) {
-      if (negative) return false;
-      if (next(input, trymatch1))
-        newMatch = trymatch1;
-    }
-
-    if (newMatch != null) {
-      if (negative) return false;
-      //else
-      mymatch.assignFrom(newMatch);
-      return true;
-    }
-    else { // no match
-      if (negative)
-        return next(input, mymatch);
-      //else
-      return false;
-    }
-  }
-
-    void dump(StringBuffer os) {
-	os.append("(?");
-	os.append(negative ? '!' : '=');
-	re.dumpAll(os);
-	os.append(')');
-    }
-}
-