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 pattern = Script.toString(arg0);
String sFlags = null;
int flags = 0;
- if(arg1 != null) sFlags = JS.toString(arg1);
+ if(arg1 != null) sFlags = Script.toString(arg1);
if(sFlags == null) sFlags = "";
for(int i=0;i<sFlags.length();i++) {
switch(sFlags.charAt(i)) {
}
}
re = newRE(pattern,flags);
- this.pattern = JS.S(pattern);
+ this.pattern = Script.S(pattern);
this.flags = flags;
}
}
- 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(Script.str(method))
case "exec": {
- String s = JS.toString(a0);
+ String s = Script.toString(args[0]);
int start = global ? lastIndex : 0;
if(start < 0 || start >= s.length()) { lastIndex = 0; return null; }
GnuRegexp.REMatch match = re.getMatch(s,start);
return match == null ? null : matchToExecResult(match,re,s);
}
case "test": {
- String s = JS.toString(a0);
- if (!global) return B(re.getMatch(s) != null);
+ String s = Script.toString(args[0]);
+ if (!global) return Script.B(re.getMatch(s) != null);
int start = global ? lastIndex : 0;
if(start < 0 || start >= s.length()) { lastIndex = 0; return null; }
GnuRegexp.REMatch match = re.getMatch(s,start);
lastIndex = match != null ? s.length() : match.getEndIndex();
- return B(match != null);
+ return Script.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 Script.S(args[0].coerceToString());
//#end
break;
}
case 2: {
- //#switch(JS.toString(method))
- case "stringReplace": return stringReplace(a0, a1,a2);
+ //#switch(Script.str(method))
+ case "stringMatch": return stringMatch(args[0], args[1]);
+ case "stringSearch": return stringSearch(args[0], args[1]);
+ //#end
+ break;
+ }
+ case 3: {
+ //#switch(Script.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(Script.str(key))
case "exec": return METHOD;
case "test": return METHOD;
case "toString": return METHOD;
- case "lastIndex": return N(lastIndex);
+ case "lastIndex": return Script.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 "global": return Script.B(global);
+ case "ignoreCase": return Script.B(flags & GnuRegexp.RE.REG_ICASE);
+ case "multiline": return Script.B(flags & GnuRegexp.RE.REG_MULTILINE);
//#end
return super.get(key);
}
public void put(JS key, JS value) throws JSExn {
- if(JS.isString(key)) {
- if(JS.toString(key).equals("lastIndex")) {
- lastIndex = JS.toInt(value);
+ if(Script.isString(key)) {
+ if(Script.toString(key).equals("lastIndex")) {
+ lastIndex = Script.toInt(value);
return;
}
}
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(Script.S("index"), Script.N(match.getStartIndex()));
+ ret.put(Script.S("input"), Script.S(s));
int n = re.getNumSubs();
- ret.put(JS.S("length"), 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)));
+ ret.put(Script.S("length"), Script.N(n+1));
+ ret.put(Script.ZERO, Script.S(match.toString()));
+ for(int i=1;i<=n;i++) ret.put(Script.N(i),Script.S(match.toString(i)));
return ret;
} catch (JSExn e) {
throw new Error("this should never happen");
}
}
- 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);
+ String s = Script.toString(o);
GnuRegexp.RE re;
JSRegexp regexp = null;
if(arg0 instanceof JSRegexp) {
regexp = (JSRegexp) arg0;
re = regexp.re;
} else {
- re = newRE(JS.toString(arg0),0);
+ re = newRE(Script.toString(arg0),0);
}
if(regexp == null) {
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(Script.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(Script.S(matches[i].toString()));
regexp.lastIndex = matches.length > 0 ? matches[matches.length-1].getEndIndex() : s.length();
return ret;
}
static JS stringSearch(JS o, JS arg0) throws JSExn {
- String s = JS.toString(o);
- GnuRegexp.RE re = arg0 instanceof JSRegexp ? ((JSRegexp)arg0).re : newRE(JS.toString(arg0),0);
+ String s = Script.toString(o);
+ GnuRegexp.RE re = arg0 instanceof JSRegexp ? ((JSRegexp)arg0).re : newRE(Script.toString(arg0),0);
GnuRegexp.REMatch match = re.getMatch(s);
- return match == null ? N(-1) : N(match.getStartIndex());
+ return match == null ? Script.N(-1) : Script.N(match.getStartIndex());
}
static JS stringReplace(JS o, JS arg0, JS arg1) throws JSExn {
- String s = JS.toString(o);
+ String s = Script.toString(o);
GnuRegexp.RE re;
JSFunction replaceFunc = null;
String replaceString = null;
if(arg1 instanceof JSFunction)
replaceFunc = (JSFunction) arg1;
else
- replaceString = JS.toString(arg1);
+ replaceString = Script.toString(arg1);
GnuRegexp.REMatch[] matches;
if(regexp != null && regexp.global) {
matches = re.getAllMatches(s);
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] = Script.S(match.toString());
+ args[1] = null;
+ args[2] = null;
+ for(int j=1;j<=n;j++) args[j] = Script.S(match.toString(j));
+ args[args.length - 2] = Script.N(match.getStartIndex());
+ args[args.length - 1] = Script.S(s);
// note: can't perform pausing operations in here
- sb.append(JS.toString(replaceFunc.call(a0, a1, a2, rest, numArgs)));
+ sb.append(Script.toString(replaceFunc.call(args)));
} else {
sb.append(mySubstitute(match,replaceString,s));
}
int end = matches.length == 0 ? 0 : matches[matches.length-1].getEndIndex();
sb.append(sa,end,sa.length-end);
- return JS.S(sb.toString());
+ return Script.S(sb.toString());
}
private static String mySubstitute(GnuRegexp.REMatch match, String s, String source) {
static JS stringSplit(JS s_, JS arg0, JS arg1, int nargs) throws JSExn {
- String s = JS.toString(s_);
- int limit = nargs < 2 ? Integer.MAX_VALUE : JS.toInt(arg1);
+ String s = Script.toString(s_);
+ int limit = nargs < 2 ? Integer.MAX_VALUE : Script.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;
regexp = (JSRegexp) arg0;
re = regexp.re;
} else {
- sep = JS.toString(arg0);
+ sep = Script.toString(arg0);
}
// special case this for speed. additionally, the code below doesn't properly handle
if(sep != null && sep.length()==0) {
int len = s.length();
for(int i=0;i<len;i++)
- ret.addElement(JS.S(s.substring(i,i+1)));
+ ret.add(Script.S(s.substring(i,i+1)));
return ret;
}
GnuRegexp.REMatch m = re.getMatch(s,p);
if(m == null) break OUTER;
boolean zeroLength = m.getStartIndex() == m.getEndIndex();
- ret.addElement(JS.S(s.substring(p,zeroLength ? m.getStartIndex()+1 : m.getStartIndex())));
+ ret.add(Script.S(s.substring(p,zeroLength ? m.getStartIndex()+1 : m.getStartIndex())));
p = zeroLength ? p + 1 : m.getEndIndex();
if(!zeroLength) {
for(int i=1;i<=re.getNumSubs();i++) {
- ret.addElement(JS.S(m.toString(i)));
- if(ret.length() == limit) break OUTER;
+ ret.add(Script.S(m.toString(i)));
+ if(ret.size() == limit) break OUTER;
}
}
} else {
int x = s.indexOf(sep,p);
if(x == -1) break OUTER;
- ret.addElement(JS.S(s.substring(p,x)));
+ ret.add(Script.S(s.substring(p,x)));
p = x + sep.length();
}
- if(ret.length() == limit) break;
+ if(ret.size() == limit) break;
}
- if(p < s.length() && ret.length() != limit)
- ret.addElement(JS.S(s.substring(p)));
+ if(p < s.length() && ret.size() != limit)
+ ret.add(Script.S(s.substring(p)));
return ret;
}
throw new JSExn(e.toString());
}
}
-
}
projects / org.ibex.js.git / blobdiff