Examples of net.sourceforge.htmlunit.corejs.javascript.Scriptable

Package net.sourceforge.htmlunit.corejs.javascript

Examples of net.sourceforge.htmlunit.corejs.javascript.Scriptable

net.sourceforge.htmlunit.corejs.javascript.Scriptable
This is interface that all objects in JavaScript must implement. The interface provides for the management of properties and for performing conversions.
Host system implementors may find it easier to extend the ScriptableObject class rather than implementing Scriptable when writing host objects.
There are many static methods defined in ScriptableObject that perform the multiple calls to the Scriptable interface needed in order to manipulate properties in prototype chains.
@see net.sourceforge.htmlunit.corejs.javascript.ScriptableObject @author Norris Boyd @author Nick Thompson @author Brendan Eich

    @Override
    public Scriptable wrapAsJavaObject(final Context context,
            final Scriptable scope, final Object javaObject, final Class< ? > staticType) {


        // TODO: should depend on the js configuration file
        final Scriptable resp;
        if (NodeList.class.equals(staticType)
                || NamedNodeMap.class.equals(staticType)) {
            resp = new ScriptableWrapper(scope, javaObject, staticType);
        }
        else {

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            final String line = getFirstLine(cx);
            final String source = getSourceName(cx);
            sb.append(source).append(":").append(line).append(" ");


            Scriptable parent = activation.getParentScope();
            while (parent != null) {
                sb.append("   ");
                parent = parent.getParentScope();
            }
            final String functionName = getFunctionName(thisObj);
            sb.append(functionName).append("(");
            final int nbParams = functionOrScript_.getParamCount();
            for (int i = 0; i < nbParams; i++) {

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            // on our SimpleScriptable we need to avoid looking at the properties we have defined => TODO: improve it
            if (thisObj instanceof SimpleScriptable) {
                return "[anonymous]";
            }


            Scriptable obj = thisObj;
            while (obj != null) {
                for (final Object id : obj.getIds()) {
                    if (id instanceof String) {
                        final String s = (String) id;
                        if (obj instanceof ScriptableObject) {
                            Object o = ((ScriptableObject) obj).getGetterOrSetter(s, 0, false);
                            if (o == null) {
                                o = ((ScriptableObject) obj).getGetterOrSetter(s, 0, true);
                                if (o != null && o instanceof Callable) {
                                    return "__defineSetter__ " + s;
                                }
                            }
                            else if (o instanceof Callable) {
                                return "__defineGetter__ " + s;
                            }
                        }
                        final Object o = obj.get(s, obj);
                        if (o instanceof NativeFunction) {
                            final NativeFunction f = (NativeFunction) o;
                            if (f.getDebuggableView() == this.functionOrScript_) {
                                return s;
                            }
                        }
                    }
                }
                obj = obj.getPrototype();
            }
            // Unable to intuit a name -- doh!
            return "[anonymous]";
        }
        // Just a script -- no function name.

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        }
        throw new ParseException("Empty JSON string");
    }


    private Object readObject() throws ParseException {
        Scriptable object = cx.newObject(scope);
        String id;
        Object value;
        boolean needsComma = false;
        consumeWhitespace();
        while (pos < length) {
            char c = src.charAt(pos++);
            switch(c) {
                case '}':
                    return object;
                case ',':
                    if (!needsComma) {
                        throw new ParseException("Unexpected comma in object literal");
                    }
                    needsComma = false;
                    break;
                case '"':
                    if (needsComma) {
                        throw new ParseException("Missing comma in object literal");
                    }
                    id = readString();
                    consume(':');
                    value = readValue();


                    double d = ScriptRuntime.toNumber(id);
                    int index = (int) d;
                    if (d != index) {
                      object.put(id, object, value);
                    } else {
                      object.put(index, object, value);
                    }


                    needsComma = true;
                    break;
                default:

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        }
        return super.get(name, start);
    }


    private static Scriptable getTopScope(final Scriptable s) {
        Scriptable top = s;
        while (top != null && top.getParentScope() != null) {
            top = top.getParentScope();
        }
        return top;
    }

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                break;
            m--;
        }
        String namesAndDots = buffer.substring(m+1, cursor);
        String[] names = namesAndDots.split("\\.", -1);
        Scriptable obj = this.global;
        for (int i=0; i < names.length - 1; i++) {
            Object val = obj.get(names[i], global);
            if (val instanceof Scriptable)
                obj = (Scriptable) val;
            else {
                return buffer.length(); // no matches
            }
        }
        Object[] ids = (obj instanceof ScriptableObject) 
                       ? ((ScriptableObject)obj).getAllIds()
                       : obj.getIds();
        String lastPart = names[names.length-1];
        for (int i=0; i < ids.length; i++) {
            if (!(ids[i] instanceof String))
                continue;
            String id = (String)ids[i];
            if (id.startsWith(lastPart)) {
                if (obj.get(id, obj) instanceof Function)
                    id += "(";
                candidates.add(id);
            }
        }
        return buffer.length() - lastPart.length();

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    public Environment(ScriptableObject scope) {
        setParentScope(scope);
        Object ctor = ScriptRuntime.getTopLevelProp(scope, "Environment");
        if (ctor != null && ctor instanceof Scriptable) {
            Scriptable s = (Scriptable) ctor;
            setPrototype((Scriptable) s.get("prototype", s));
        }
    }

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        // define "arguments" array in the top-level object:
        // need to allocate new array since newArray requires instances
        // of exactly Object[], not ObjectSubclass[]
        Object[] array = new Object[args.length];
        System.arraycopy(args, 0, array, 0, args.length);
        Scriptable argsObj = cx.newArray(global, array);
        global.defineProperty("arguments", argsObj,
                              ScriptableObject.DONTENUM);


        for (String file: fileList) {
            processSource(cx, file);

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        /**
         * Performs the download and calls the callback method.
         */
        public void run() {
            final WebClient client = getWindow().getWebWindow().getWebClient();
            final Scriptable scope = callback_.getParentScope();
            final WebRequestSettings settings = new WebRequestSettings(url_);
            try {
                final WebResponse webResponse = client.loadWebResponse(settings);
                final String content = webResponse.getContentAsString();
                LOG.debug("Downloaded content: " + StringUtils.abbreviate(content, 512));

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            LOG.debug("Property \"" + name + "\" evaluated (by name) to " + array + " with "
                    + subElements.size() + " elements");
            return array;
        }
        else if (subElements.size() == 1) {
            final Scriptable singleResult = getScriptableForElement(subElements.get(0));
            LOG.debug("Property \"" + name + "\" evaluated (by name) to " + singleResult);
            return singleResult;
        }


        // Nothing was found.

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