@Override
public void put(String name, Scriptable start, Object value) {
int info = findInstanceIdInfo(name);
if (info != 0) {
if (start == this && isSealed()) {
throw Context.reportRuntimeError1("msg.modify.sealed", name);
}
int attr = (info >>> 16);
if ((attr & READONLY) == 0) {
if (start == this) {
int id = (info & 0xFFFF);
setInstanceIdValue(id, value);
} else {
start.put(name, start, value);
}
}
return;
}
if (prototypeValues != null) {
int id = prototypeValues.findId(name);
if (id != 0) {
if (start == this && isSealed()) {
throw Context.reportRuntimeError1("msg.modify.sealed", name);
}
prototypeValues.set(id, start, value);
return;
}
}
super.put(name, start, value);
}
protected void addToScope(Scriptable scope) {
Object value = exportingBundle.lookup(name);
StringTokenizer tokenizer = new StringTokenizer(name, "."); // $NON-NLS-1$
while (true) {
String token = tokenizer.nextToken();
Object current = scope.get(token, scope);
if (!tokenizer.hasMoreTokens()) {
if (current == Scriptable.NOT_FOUND) {
if (value instanceof NativeObject) {
Scriptable wrapped = Context.getCurrentContext().newObject(scope);
wrapped.setPrototype((Scriptable) value);
value = wrapped;
}
scope.put(token, scope, value);
return;
}
throw new IllegalStateException(
"Resolve error: "
+ name
+ " already exists for "
+ this.toString()); // $NON-NLS-1$//$NON-NLS-2$
}
if (current == Scriptable.NOT_FOUND) {
current = ScriptableObject.getProperty(scope, token);
if (current == Scriptable.NOT_FOUND) current = Context.getCurrentContext().newObject(scope);
else if (current instanceof NativeObject) {
// we need to wrap this object from the prototype
Scriptable wrapped = Context.getCurrentContext().newObject(scope);
wrapped.setPrototype((Scriptable) current);
current = wrapped;
} else
throw new IllegalStateException(
"Resolve error: "
+ name
+ "-"
+ token
+ " already exists for "
+ this.toString()); // $NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$
scope.put(token, scope, current);
}
scope = (Scriptable) current;
}
}
private static void putGlobalVariablesIntoScope(
@NotNull Scriptable scope, @Nullable Map<String, Object> variables) {
if (variables == null) {
return;
}
Set<Map.Entry<String, Object>> entries = variables.entrySet();
for (Map.Entry<String, Object> entry : entries) {
String name = entry.getKey();
Object value = entry.getValue();
scope.put(name, scope, value);
}
}
public static void finishInit(
Scriptable scope, FunctionObject constructor, Scriptable prototype) {
// Create and make these properties in the prototype visible
Context cx = Context.getCurrentContext();
Scriptable jars = cx.newArray(prototype, 0);
jars.put(0, jars, cx.newArray(jars, 0));
defineProperty(prototype, "params", cx.newArray(prototype, 0), ScriptableObject.PERMANENT);
defineProperty(prototype, "auth", cx.newArray(prototype, 0), ScriptableObject.PERMANENT);
defineProperty(prototype, "jars", jars, ScriptableObject.PERMANENT);
defineProperty(prototype, "headers", cx.newArray(prototype, 0), ScriptableObject.PERMANENT);
}
public static Object eval(String source, Map<String, Scriptable> bindings) {
Context cx = ContextFactory.getGlobal().enterContext();
try {
Scriptable scope = cx.initStandardObjects();
if (bindings != null) {
for (String id : bindings.keySet()) {
Scriptable object = bindings.get(id);
object.setParentScope(scope);
scope.put(id, scope, object);
}
}
return cx.evaluateString(scope, source, "source", 1, null);
} finally {
Context.exit();
}
}
final void set(int id, Scriptable start, Object value) {
if (value == NOT_FOUND) throw new IllegalArgumentException();
ensureId(id);
int attr = attributeArray[id - 1];
if ((attr & READONLY) == 0) {
if (start == obj) {
if (value == null) {
value = UniqueTag.NULL_VALUE;
}
int valueSlot = (id - 1) * SLOT_SPAN + VALUE_SLOT;
synchronized (this) {
valueArray[valueSlot] = value;
}
} else {
int nameSlot = (id - 1) * SLOT_SPAN + NAME_SLOT;
String name = (String) valueArray[nameSlot];
start.put(name, start, value);
}
}
}
/*
* See ECMA 15.5.4.8. Modified to match JS 1.2 - optionally takes
* a limit argument and accepts a regular expression as the split
* argument.
*/
private static Object js_split(Context cx, Scriptable scope, String target, Object[] args) {
// create an empty Array to return;
Scriptable top = getTopLevelScope(scope);
Scriptable result = ScriptRuntime.newObject(cx, top, "Array", null);
// return an array consisting of the target if no separator given
// don't check against undefined, because we want
// 'fooundefinedbar'.split(void 0) to split to ['foo', 'bar']
if (args.length < 1) {
result.put(0, result, target);
return result;
}
// Use the second argument as the split limit, if given.
boolean limited = (args.length > 1) && (args[1] != Undefined.instance);
long limit = 0; // Initialize to avoid warning.
if (limited) {
/* Clamp limit between 0 and 1 + string length. */
limit = ScriptRuntime.toUint32(args[1]);
if (limit > target.length()) limit = 1 + target.length();
}
String separator = null;
int[] matchlen = new int[1];
Scriptable re = null;
RegExpProxy reProxy = null;
if (args[0] instanceof Scriptable) {
reProxy = ScriptRuntime.getRegExpProxy(cx);
if (reProxy != null) {
Scriptable test = (Scriptable) args[0];
if (reProxy.isRegExp(test)) {
re = test;
}
}
}
if (re == null) {
separator = ScriptRuntime.toString(args[0]);
matchlen[0] = separator.length();
}
// split target with separator or re
int[] ip = {0};
int match;
int len = 0;
boolean[] matched = {false};
String[][] parens = {null};
int version = cx.getLanguageVersion();
while ((match =
find_split(
cx, scope, target, separator, version, reProxy, re, ip, matchlen, matched, parens))
>= 0) {
if ((limited && len >= limit) || (match > target.length())) break;
String substr;
if (target.length() == 0) substr = target;
else substr = target.substring(ip[0], match);
result.put(len, result, substr);
len++;
/*
* Imitate perl's feature of including parenthesized substrings
* that matched part of the delimiter in the new array, after the
* split substring that was delimited.
*/
if (re != null && matched[0] == true) {
int size = parens[0].length;
for (int num = 0; num < size; num++) {
if (limited && len >= limit) break;
result.put(len, result, parens[0][num]);
len++;
}
matched[0] = false;
}
ip[0] = match + matchlen[0];
if (version < Context.VERSION_1_3 && version != Context.VERSION_DEFAULT) {
/*
* Deviate from ECMA to imitate Perl, which omits a final
* split unless a limit argument is given and big enough.
*/
if (!limited && ip[0] == target.length()) break;
}
}
return result;
}
public static void init(Context cx, Scriptable scope, boolean sealed) {
NativeGlobal obj = new NativeGlobal();
for (int id = 1; id <= LAST_SCOPE_FUNCTION_ID; ++id) {
String name;
int arity = 1;
switch (id) {
case Id_decodeURI:
name = "decodeURI";
break;
case Id_decodeURIComponent:
name = "decodeURIComponent";
break;
case Id_encodeURI:
name = "encodeURI";
break;
case Id_encodeURIComponent:
name = "encodeURIComponent";
break;
case Id_escape:
name = "escape";
break;
case Id_eval:
name = "eval";
break;
case Id_isFinite:
name = "isFinite";
break;
case Id_isNaN:
name = "isNaN";
break;
case Id_isXMLName:
name = "isXMLName";
break;
case Id_parseFloat:
name = "parseFloat";
break;
case Id_parseInt:
name = "parseInt";
arity = 2;
break;
case Id_unescape:
name = "unescape";
break;
case Id_uneval:
name = "uneval";
break;
default:
throw Kit.codeBug();
}
IdFunctionObject f = new IdFunctionObject(obj, FTAG, id, name, arity, scope);
if (sealed) {
f.sealObject();
}
f.exportAsScopeProperty();
}
ScriptableObject.defineProperty(scope, "NaN", ScriptRuntime.NaNobj, ScriptableObject.DONTENUM);
ScriptableObject.defineProperty(
scope,
"Infinity",
ScriptRuntime.wrapNumber(Double.POSITIVE_INFINITY),
ScriptableObject.DONTENUM);
ScriptableObject.defineProperty(
scope, "undefined", Undefined.instance, ScriptableObject.DONTENUM);
String[] errorMethods =
Kit.semicolonSplit(
""
+ "ConversionError;"
+ "EvalError;"
+ "RangeError;"
+ "ReferenceError;"
+ "SyntaxError;"
+ "TypeError;"
+ "URIError;"
+ "InternalError;"
+ "JavaException;");
/*
Each error constructor gets its own Error object as a prototype,
with the 'name' property set to the name of the error.
*/
for (int i = 0; i < errorMethods.length; i++) {
String name = errorMethods[i];
Scriptable errorProto = ScriptRuntime.newObject(cx, scope, "Error", ScriptRuntime.emptyArgs);
errorProto.put("name", errorProto, name);
if (sealed) {
if (errorProto instanceof ScriptableObject) {
((ScriptableObject) errorProto).sealObject();
}
}
IdFunctionObject ctor = new IdFunctionObject(obj, FTAG, Id_new_CommonError, name, 1, scope);
ctor.markAsConstructor(errorProto);
if (sealed) {
ctor.sealObject();
}
ctor.exportAsScopeProperty();
}
}
private void handleAcceptHeader(String hdr, String value, Context cx, Scriptable accept) {
String subname;
if (hdr.equals("Accept")) {
subname = "media";
} else if (hdr.startsWith("Accept-")) {
subname = hdr.substring(7).toLowerCase();
} else {
// Do nothing
return;
}
Map<Double, List<Scriptable>> objects = new TreeMap<Double, List<Scriptable>>();
String[] values = value.split(",");
for (String v : values) {
double q = 1.0;
double w = 0.0;
String[] parts = v.split(";");
Scriptable object = cx.newObject(accept);
object.put("valueOf", object, acceptValueOf);
object.put("value", object, parts[0].trim());
// Add all attributes
for (int i = 1; i < parts.length; ++i) {
String[] attr = parts[i].split("=", 2);
if (attr.length == 2) {
// Parse Q factor
if (attr[0].trim().equals("q")) {
q = Double.parseDouble(attr[1].trim());
} else {
object.put(attr[0].trim(), object, attr[1].trim());
}
}
}
object.put("q", object, "" + q);
// Calculate implicit weight
if (parts[0].trim().equals("*/*")) {
w = 0.0000;
} else if (parts[0].trim().endsWith("/*")) {
w = 0.0001;
} else {
w = 0.0002;
}
// Attributes give extra points
w += parts.length * 0.00001;
// Add to tree multi-map, inverse order
double key = -(q + w);
List<Scriptable> l = objects.get(key);
if (l == null) {
l = new ArrayList<Scriptable>();
objects.put(key, l);
}
l.add(object);
}
Scriptable object = cx.newArray(accept, objects.size());
accept.put(subname, accept, object);
int i = 0;
for (List<Scriptable> l : objects.values()) {
for (Scriptable s : l) {
object.put(i++, object, s);
}
}
}
