checkpoint

[sbp.git] / src / edu / berkeley / sbp / chr / CharRange.java

diff --git a/src/edu/berkeley/sbp/chr/CharRange.java b/src/edu/berkeley/sbp/chr/CharRange.java
deleted file mode 100644 (file)
index 78f2057..0000000
--- a/src/edu/berkeley/sbp/chr/CharRange.java
+++ /dev/null
@@ -1,53 +0,0 @@
-package edu.berkeley.sbp.chr;
-import java.io.*;
-import java.util.*;
-import java.lang.reflect.*;
-import java.lang.ref.*;
-import edu.berkeley.sbp.*;
-import edu.berkeley.sbp.util.*;
-import edu.berkeley.sbp.misc.*;
-import edu.berkeley.sbp.Input.Location;
-
-public class CharRange extends Atom<Character> {
-
-    public CharRange(char a) { this(a,a); }
-    public CharRange(char a, char b) { this(new CharTopology(a, b)); }
-    public CharRange(CharTopology t) { this.t = t; }
-
-    private CharTopology t;
-    public  Topology<Character> top() { return t; }
-
-    public static final char left       = (char)9998;
-    public static final char right      = (char)9999;
-    public static final Atom leftBrace  = new CharRange(left,left)   { public String toString() { return "[{]"; } };
-    public static final Atom rightBrace = new CharRange(right,right) { public String toString() { return "[}]"; } };
-    public static final Atom braces     = new CharRange(left,right)   { public String toString() { return "[{}]"; } };
-
-    public static Atom set(Range.Set r) { return new CharRange(new CharTopology(r)); }
-
-    public String toString() { return t.toString(); }
-
-    /** returns an element which exactly matches the string given */
-    public static Element string(String s) { return string(s, true); }
-    public static Element string(String s, boolean share) {
-        if (share && s.length() == 0) return epsilon;
-        final String escapified = "\""+StringUtil.escapify(s, "\"\r\n\\")+"\"";
-        Element ret;
-        if (share && s.length() == 1) {
-            ret =
-                new CharRange(s.charAt(0)) {
-                    public String toString() { return escapified; } };
-        } else {
-            Union ret2 = new Union("\""+s+"\"_str", true) {
-                    public String toString() { return escapified; } };
-            Element[] refs = new Element[s.length()];
-            for(int i=0; i<refs.length; i++) refs[i] = new CharRange(s.charAt(i));
-            ret2.add(Sequence.constant(refs, s));
-            ret = ret2;
-        }
-        return ret;
-    }
-
-    private static Union epsilon = new Union("()");
-    static { epsilon.add(Sequence.empty); }
-}