package org.ibex.js;
/** A JavaScript regular expression object */
-public class JSRegexp extends JS {
+public class JSRegexp extends JS.Immutable {
+ private static final JS.Method METHOD = new JS.Method();
+
private boolean global;
private GnuRegexp.RE re;
private int lastIndex;
this.global = r.global;
this.re = r.re;
this.lastIndex = r.lastIndex;
- this.pattern = pattern;
- this.flags = flags;
+ this.pattern = r.pattern;
+ this.flags = r.flags;
} else {
String pattern = JS.toString(arg0);
String sFlags = null;
}
}
- public JS callMethod(JS method, JS a0, JS a1, JS a2, JS[] rest, int nargs) throws JSExn {
- switch(nargs) {
+ public JS call(JS method, JS[] args) throws JSExn {
+ switch(args.length) {
case 1: {
- //#switch(JS.toString(method))
+ //#switch(JS.str(method))
case "exec": {
String s = JS.toString(a0);
int start = global ? lastIndex : 0;
lastIndex = match != null ? s.length() : match.getEndIndex();
return B(match != null);
}
- case "toString": return JS.S(a0.coerceToString());
- case "stringMatch": return stringMatch(a0,a1);
- case "stringSearch": return stringSearch(a0,a1);
+ case "toString": return JS.S(args[0].coerceToString());
//#end
break;
}
case 2: {
- //#switch(JS.toString(method))
- case "stringReplace": return stringReplace(a0, a1,a2);
+ //#switch(JS.str(method))
+ case "stringMatch": return stringMatch(args[0], args[1]);
+ case "stringSearch": return stringSearch(args[0], args[1]);
+ //#end
+ break;
+ }
+ case 3: {
+ //#switch(JS.str(method))
+ case "stringReplace": return stringReplace(args[0], args[1], args[2]);
//#end
break;
}
}
- return super.callMethod(method, a0, a1, a2, rest, nargs);
+ return super.call(method, args);
}
public JS get(JS key) throws JSExn {
- //#switch(JS.toString(key))
+ //#switch(JS.str(key))
case "exec": return METHOD;
case "test": return METHOD;
case "toString": return METHOD;
- case "lastIndex": return N(lastIndex);
+ case "lastIndex": return JS.N(lastIndex);
case "source": return pattern;
case "global": return JS.B(global);
- case "ignoreCase": return B(flags & GnuRegexp.RE.REG_ICASE);
- case "multiline": return B(flags & GnuRegexp.RE.REG_MULTILINE);
+ case "ignoreCase": return JS.B(flags & GnuRegexp.RE.REG_ICASE);
+ case "multiline": return JS.B(flags & GnuRegexp.RE.REG_MULTILINE);
//#end
return super.get(key);
}
private static JS matchToExecResult(GnuRegexp.REMatch match, GnuRegexp.RE re, String s) {
try {
- JS ret = new JS.O();
- ret.put(JS.S("index"), N(match.getStartIndex()));
- ret.put(JS.S("input"),JS.S(s));
+ JS ret = new JS.Obj();
+ ret.put(JS.S("index"), JS.N(match.getStartIndex()));
+ ret.put(JS.S("input"), JS.S(s));
int n = re.getNumSubs();
- ret.put(JS.S("length"), N(n+1));
+ ret.put(JS.S("length"), JS.N(n+1));
ret.put(ZERO,JS.S(match.toString()));
for(int i=1;i<=n;i++) ret.put(JS.N(i),JS.S(match.toString(i)));
return ret;
}
}
- String coerceToString() {
+ public String coerceToString() {
StringBuffer sb = new StringBuffer();
sb.append('/');
sb.append(pattern);
return sb.toString();
}
+ private static final JS[] execarg = new JS[1];
static JS stringMatch(JS o, JS arg0) throws JSExn {
String s = JS.toString(o);
GnuRegexp.RE re;
GnuRegexp.REMatch match = re.getMatch(s);
return matchToExecResult(match,re,s);
}
- if(!regexp.global) return regexp.callMethod(JS.S("exec"), o, null, null, null, 1);
-
- JSArray ret = new JSArray();
+ try {
+ execarg[0] = o;
+ if(!regexp.global) return regexp.call(JS.S("exec"), execarg);
+ } finally { execarg[0] = null; }
+
GnuRegexp.REMatch[] matches = re.getAllMatches(s);
- for(int i=0;i<matches.length;i++) ret.addElement(JS.S(matches[i].toString()));
+ JSArray ret = new JSArray(matches.length);
+ for(int i=0;i<matches.length;i++) ret.add(JS.S(matches[i].toString()));
regexp.lastIndex = matches.length > 0 ? matches[matches.length-1].getEndIndex() : s.length();
return ret;
}
String s = JS.toString(o);
GnuRegexp.RE re = arg0 instanceof JSRegexp ? ((JSRegexp)arg0).re : newRE(JS.toString(arg0),0);
GnuRegexp.REMatch match = re.getMatch(s);
- return match == null ? N(-1) : N(match.getStartIndex());
+ return match == null ? JS.N(-1) : JS.N(match.getStartIndex());
}
static JS stringReplace(JS o, JS arg0, JS arg1) throws JSExn {
if(replaceFunc != null) {
int n = (regexp == null ? 0 : re.getNumSubs());
int numArgs = 3 + n;
- JS[] rest = new JS[numArgs - 3];
- JS a0 = JS.S(match.toString());
- JS a1 = null;
- JS a2 = null;
- for(int j=1;j<=n;j++)
- switch(j) {
- case 1: a1 = JS.S(match.toString(j)); break;
- case 2: a2 = JS.S(match.toString(j)); break;
- default: rest[j - 3] = JS.S(match.toString(j)); break;
- }
- switch(numArgs) {
- case 3:
- a1 = N(match.getStartIndex());
- a2 = JS.S(s);
- break;
- case 4:
- a2 = N(match.getStartIndex());
- rest[0] = JS.S(s);
- break;
- default:
- rest[rest.length - 2] = N(match.getStartIndex());
- rest[rest.length - 1] = JS.S(s);
- }
+ JS[] args = new JS[3 + n];
+ args[0] = JS.S(match.toString());
+ args[1] = null;
+ args[2] = null;
+ for(int j=1;j<=n;j++) args[j] = JS.S(match.toString(j));
+ args[args.length - 2] = JS.N(match.getStartIndex());
+ args[args.length - 1] = JS.S(s);
// note: can't perform pausing operations in here
- sb.append(JS.toString(replaceFunc.call(a0, a1, a2, rest, numArgs)));
+ sb.append(JS.toString(replaceFunc.call(args)));
} else {
sb.append(mySubstitute(match,replaceString,s));
String s = JS.toString(s_);
int limit = nargs < 2 ? Integer.MAX_VALUE : JS.toInt(arg1);
if(limit < 0) limit = Integer.MAX_VALUE;
- if(limit == 0) return new JSArray();
+ if(limit == 0) return new JSArray(0);
GnuRegexp.RE re = null;
JSRegexp regexp = null;
throw new JSExn(e.toString());
}
}
-
}