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// Copyright (c) 2009 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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package org.chromium.sdk;
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/**
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* An object that represents a browser JavaScript VM variable value (compound or
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* atomic.)
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*/
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public interface JsValue {
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/**
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* Type of a JavaScript value. Two bogus type values (DATE and ARRAY) are
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* included even though they are not reported by V8. Instead, they are inferred
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* from the object classname.
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*/
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public enum Type {
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/**
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* Object type.
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*/
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TYPE_OBJECT,
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/**
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* Number type.
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*/
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TYPE_NUMBER,
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/**
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* String type.
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*/
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TYPE_STRING,
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/**
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* Function type.
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*/
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TYPE_FUNCTION,
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/**
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* Boolean type.
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*/
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TYPE_BOOLEAN,
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/**
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* Error type (this one describes a JavaScript exception).
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*/
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TYPE_ERROR,
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/**
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* A regular expression.
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*/
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TYPE_REGEXP,
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/**
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* An object which is actually a Date. This type is not present in the
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* protocol but is rather induced from the "object" type and "Date" class of
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* an object.
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*/
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TYPE_DATE,
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/**
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* An object which is actually an array. This type is not present in the
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* protocol but is rather induced from the "object" type and "Array" class of
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* an object.
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*/
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TYPE_ARRAY,
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/**
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* undefined type.
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*/
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TYPE_UNDEFINED,
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/**
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* null type.
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*/
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TYPE_NULL;
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/**
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* @param type to check
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* @return whether {@code type} corresponds to a JsObject
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*/
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public static boolean isObjectType(Type type) {
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return type == TYPE_OBJECT || type == TYPE_ARRAY || type == TYPE_ERROR ||
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type == TYPE_FUNCTION;
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}
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}
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/**
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* @return this value type
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*/
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Type getType();
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/**
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* @return a string representation of this value
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*/
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String getValueString();
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/**
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* @return this value cast to {@link JsObject} or {@code null} if this value
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* is not an object
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*/
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JsObject asObject();
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}
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