/**
* Increment the string pointer by each character in
*
* <pre>st</pre>
*
* that matches a non-escaped character.
*/
public boolean incMatch(String st) {
StrPos sp = new StrPos(this);
int i;
for (i = 0; i < st.length(); i++) {
if (!sp.match(st.charAt(i))) return false;
sp.inc();
}
dup(sp);
return true;
}
/** Read in an integer. */
public patInt getPatInt() {
patInt pi = null;
if (incMatch("inf")) return new patInf();
int i, cnt = 0;
StrPos sp = new StrPos(this);
for (i = 0; !sp.eos && sp.c >= '0' && sp.c <= '9'; i++) {
cnt = 10 * cnt + sp.c - '0';
sp.inc();
}
if (i == 0) return null;
dup(sp);
return new patInt(cnt);
}