public CharRange(char a) { this(a,a); }
public CharRange(char a, char b) { this(new CharTopology(a, b)); }
- public CharRange(Topology<Character> t) { this.t = t; }
+ public CharRange(CharTopology t) { this.t = t; }
- private Topology<Character> t;
+ private CharTopology t;
public Topology<Character> top() { return t; }
public static final char left = (char)9998;
public String toString() { return t.toString(); }
/** returns an element which exactly matches the string given */
- public static Element string(String s) {
- if (s.length() == 0) return Union.epsilon;
+ public static Element string(String s) { return string(s, true); }
+ public static Element string(String s, boolean share) {
+ if (share && s.length() == 0) return Union.epsilon;
final String escapified = "\""+StringUtil.escapify(s, "\"\r\n\\")+"\"";
Element ret;
- if (s.length() == 1) {
+ if (share && s.length() == 1) {
ret =
new CharRange(s.charAt(0)) {
public String toString() { return escapified; } };