public MatchPath getTailPath(int from) {
if (from > lastIndex || from < 0) throw new IllegalArgumentException();
AttributeMatchPath copy = pool.getAttributeMatchPath();
for (int i = from; i <= lastIndex; i++) {
copy.add(list[i]);
}
return copy;
}
public AttributeMatchPath getHeadPath(int to) {
if (to > lastIndex || to < 0) throw new IllegalArgumentException();
AttributeMatchPath copy = pool.getAttributeMatchPath();
copy.addAttribute(match);
for (int i = 1; i <= to; i++) {
copy.add(list[i]);
}
return copy;
}
public MatchPath getTailPath(SRule from) {
boolean containsFrom = false;
AttributeMatchPath copy = pool.getAttributeMatchPath();
for (int i = 0; i <= lastIndex; i++) {
if (list[i] == from) {
containsFrom = true;
}
if (containsFrom) {
copy.add(list[i]);
}
}
if (!containsFrom) throw new IllegalArgumentException();
return copy;
}
public AttributeMatchPath getHeadPath(SRule to) {
boolean containsFrom = false;
AttributeMatchPath copy = pool.getAttributeMatchPath();
copy.addAttribute(match);
for (int i = 1; i <= lastIndex; i++) {
copy.add(list[i]);
if (list[i] == to) {
containsFrom = true;
break;
}
}
if (!containsFrom) throw new IllegalArgumentException();
return copy;
}