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Rhino JavaScript Java Library Source Code
Rhino JavaScript Java Library is an open-source implementation of JavaScript written entirely in Java.
Rhino JavaScript Java Library Source Code files are provided in binary package (rhino-1.7.14.zip).
You can also browse the source code below:
✍: FYIcenter.com
⏎ org/mozilla/javascript/Scriptable.java
/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ // API class package org.mozilla.javascript; /** * This is interface that all objects in JavaScript must implement. * The interface provides for the management of properties and for * performing conversions. * <p> * Host system implementors may find it easier to extend the ScriptableObject * class rather than implementing Scriptable when writing host objects. * <p> * 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. * <p> * * @see org.mozilla.javascript.ScriptableObject * @author Norris Boyd * @author Nick Thompson * @author Brendan Eich */ public interface Scriptable { /** * Get the name of the set of objects implemented by this Java class. * This corresponds to the [[Class]] operation in ECMA and is used * by Object.prototype.toString() in ECMA.<p> * See ECMA 8.6.2 and 15.2.4.2. */ public String getClassName(); /** * Value returned from <code>get</code> if the property is not * found. */ public static final Object NOT_FOUND = UniqueTag.NOT_FOUND; /** * Get a named property from the object. * * Looks property up in this object and returns the associated value * if found. Returns NOT_FOUND if not found. * Note that this method is not expected to traverse the prototype * chain. This is different from the ECMA [[Get]] operation. * * Depending on the property selector, the runtime will call * this method or the form of <code>get</code> that takes an * integer: * <table> * <tr><th>JavaScript code</th><th>Java code</th></tr> * <tr><td>a.b </td><td>a.get("b", a)</td></tr> * <tr><td>a["foo"] </td><td>a.get("foo", a)</td></tr> * <tr><td>a[3] </td><td>a.get(3, a)</td></tr> * <tr><td>a["3"] </td><td>a.get(3, a)</td></tr> * <tr><td>a[3.0] </td><td>a.get(3, a)</td></tr> * <tr><td>a["3.0"] </td><td>a.get("3.0", a)</td></tr> * <tr><td>a[1.1] </td><td>a.get("1.1", a)</td></tr> * <tr><td>a[-4] </td><td>a.get(-4, a)</td></tr> * </table> * <p> * The values that may be returned are limited to the following: * <UL> * <LI>java.lang.Boolean objects</LI> * <LI>java.lang.String objects</LI> * <LI>java.lang.Number objects</LI> * <LI>org.mozilla.javascript.Scriptable objects</LI> * <LI>null</LI> * <LI>The value returned by Context.getUndefinedValue()</LI> * <LI>NOT_FOUND</LI> * </UL> * @param name the name of the property * @param start the object in which the lookup began * @return the value of the property (may be null), or NOT_FOUND * @see org.mozilla.javascript.Context#getUndefinedValue */ public Object get(String name, Scriptable start); /** * Get a property from the object selected by an integral index. * * Identical to <code>get(String, Scriptable)</code> except that * an integral index is used to select the property. * * @param index the numeric index for the property * @param start the object in which the lookup began * @return the value of the property (may be null), or NOT_FOUND * @see org.mozilla.javascript.Scriptable#get(String,Scriptable) */ public Object get(int index, Scriptable start); /** * Indicates whether or not a named property is defined in an object. * * Does not traverse the prototype chain.<p> * * The property is specified by a String name * as defined for the <code>get</code> method.<p> * * @param name the name of the property * @param start the object in which the lookup began * @return true if and only if the named property is found in the object * @see org.mozilla.javascript.Scriptable#get(String, Scriptable) * @see org.mozilla.javascript.ScriptableObject#getProperty(Scriptable, String) */ public boolean has(String name, Scriptable start); /** * Indicates whether or not an indexed property is defined in an object. * * Does not traverse the prototype chain.<p> * * The property is specified by an integral index * as defined for the <code>get</code> method.<p> * * @param index the numeric index for the property * @param start the object in which the lookup began * @return true if and only if the indexed property is found in the object * @see org.mozilla.javascript.Scriptable#get(int, Scriptable) * @see org.mozilla.javascript.ScriptableObject#getProperty(Scriptable, int) */ public boolean has(int index, Scriptable start); /** * Sets a named property in this object. * <p> * The property is specified by a string name * as defined for <code>get</code>. * <p> * The possible values that may be passed in are as defined for * <code>get</code>. A class that implements this method may choose * to ignore calls to set certain properties, in which case those * properties are effectively read-only.<p> * For properties defined in a prototype chain, * use <code>putProperty</code> in ScriptableObject. <p> * Note that if a property <i>a</i> is defined in the prototype <i>p</i> * of an object <i>o</i>, then evaluating <code>o.a = 23</code> will cause * <code>set</code> to be called on the prototype <i>p</i> with * <i>o</i> as the <i>start</i> parameter. * To preserve JavaScript semantics, it is the Scriptable * object's responsibility to modify <i>o</i>. <p> * This design allows properties to be defined in prototypes and implemented * in terms of getters and setters of Java values without consuming slots * in each instance. * <p> * The values that may be set are limited to the following: * <UL> * <LI>java.lang.Boolean objects</LI> * <LI>java.lang.String objects</LI> * <LI>java.lang.Number objects</LI> * <LI>org.mozilla.javascript.Scriptable objects</LI> * <LI>null</LI> * <LI>The value returned by Context.getUndefinedValue()</LI> * </UL><p> * Arbitrary Java objects may be wrapped in a Scriptable by first calling * <code>Context.toObject</code>. This allows the property of a JavaScript * object to contain an arbitrary Java object as a value.<p> * Note that <code>has</code> will be called by the runtime first before * <code>set</code> is called to determine in which object the * property is defined. * Note that this method is not expected to traverse the prototype chain, * which is different from the ECMA [[Put]] operation. * @param name the name of the property * @param start the object whose property is being set * @param value value to set the property to * @see org.mozilla.javascript.Scriptable#has(String, Scriptable) * @see org.mozilla.javascript.Scriptable#get(String, Scriptable) * @see org.mozilla.javascript.ScriptableObject#putProperty(Scriptable, String, Object) * @see org.mozilla.javascript.Context#toObject(Object, Scriptable) */ public void put(String name, Scriptable start, Object value); /** * Sets an indexed property in this object. * <p> * The property is specified by an integral index * as defined for <code>get</code>.<p> * * Identical to <code>put(String, Scriptable, Object)</code> except that * an integral index is used to select the property. * * @param index the numeric index for the property * @param start the object whose property is being set * @param value value to set the property to * @see org.mozilla.javascript.Scriptable#has(int, Scriptable) * @see org.mozilla.javascript.Scriptable#get(int, Scriptable) * @see org.mozilla.javascript.ScriptableObject#putProperty(Scriptable, int, Object) * @see org.mozilla.javascript.Context#toObject(Object, Scriptable) */ public void put(int index, Scriptable start, Object value); /** * Removes a property from this object. * This operation corresponds to the ECMA [[Delete]] except that * the no result is returned. The runtime will guarantee that this * method is called only if the property exists. After this method * is called, the runtime will call Scriptable.has to see if the * property has been removed in order to determine the boolean * result of the delete operator as defined by ECMA 11.4.1. * <p> * A property can be made permanent by ignoring calls to remove * it.<p> * The property is specified by a String name * as defined for <code>get</code>. * <p> * To delete properties defined in a prototype chain, * see deleteProperty in ScriptableObject. * @param name the identifier for the property * @see org.mozilla.javascript.Scriptable#get(String, Scriptable) * @see org.mozilla.javascript.ScriptableObject#deleteProperty(Scriptable, String) */ public void delete(String name); /** * Removes a property from this object. * * The property is specified by an integral index * as defined for <code>get</code>. * <p> * To delete properties defined in a prototype chain, * see deleteProperty in ScriptableObject. * * Identical to <code>delete(String)</code> except that * an integral index is used to select the property. * * @param index the numeric index for the property * @see org.mozilla.javascript.Scriptable#get(int, Scriptable) * @see org.mozilla.javascript.ScriptableObject#deleteProperty(Scriptable, int) */ public void delete(int index); /** * Get the prototype of the object. * @return the prototype */ public Scriptable getPrototype(); /** * Set the prototype of the object. * @param prototype the prototype to set */ public void setPrototype(Scriptable prototype); /** * Get the parent scope of the object. * @return the parent scope */ public Scriptable getParentScope(); /** * Set the parent scope of the object. * @param parent the parent scope to set */ public void setParentScope(Scriptable parent); /** * Get an array of property ids. * * Not all property ids need be returned. Those properties * whose ids are not returned are considered non-enumerable. * * @return an array of Objects. Each entry in the array is either * a java.lang.String or a java.lang.Number */ public Object[] getIds(); /** * Get the default value of the object with a given hint. * The hints are String.class for type String, Number.class for type * Number, Scriptable.class for type Object, and Boolean.class for * type Boolean. <p> * * A <code>hint</code> of null means "no hint". * * See ECMA 8.6.2.6. * * @param hint the type hint * @return the default value */ public Object getDefaultValue(Class<?> hint); /** * The instanceof operator. * * <p> * The JavaScript code "lhs instanceof rhs" causes rhs.hasInstance(lhs) to * be called. * * <p> * The return value is implementation dependent so that embedded host objects can * return an appropriate value. See the JS 1.3 language documentation for more * detail. * * <p>This operator corresponds to the proposed EMCA [[HasInstance]] operator. * * @param instance The value that appeared on the LHS of the instanceof * operator * * @return an implementation dependent value */ public boolean hasInstance(Scriptable instance); }
⏎ org/mozilla/javascript/Scriptable.java
Or download all of them as a single archive file:
File name: rhino-1.7.14-sources.jar File size: 1029165 bytes Release date: 2022-01-06 Download
⇒ Example code to Test rhino-runtime-1.7.14.jar
⇐ Download Rhino JavaScript Binary Package
2022-05-03, 35606👍, 1💬
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