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121 lines
3.5 KiB
C++
121 lines
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsIScriptContext_h__
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#define nsIScriptContext_h__
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#include "nscore.h"
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#include "nsISupports.h"
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#include "jsapi.h"
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class nsIScriptGlobalObject;
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#define NS_ISCRIPTCONTEXT_IID \
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{ /* 8f6bca7d-ce42-11d1-b724-00600891d8c9 */ \
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0x8f6bca7d, 0xce42, 0x11d1, \
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{0xb7, 0x24, 0x00, 0x60, 0x08, 0x91, 0xd8, 0xc9} }
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/**
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* It is used by the application to initialize a runtime and run scripts.
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* A script runtime would implement this interface.
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* <P><I>It does have a bit too much java script information now, that
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* should be removed in a short time. Ideally this interface will be
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* language neutral</I>
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*/
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class nsIScriptContext : public nsISupports {
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public:
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/**
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* Execute a script.
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*
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* @param aScript a string representing the script to be executed
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* @param aScriptSize the length of aScript
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* @param aRetValue return value
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*
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* @return true if the script was valid and got executed
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*
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**/
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virtual PRBool EvaluateString(const char *aScript,
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PRUint32 aScriptSize,
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const char *aURL,
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PRUint32 aLineNo,
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jsval *aRetValue) = 0;
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/**
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* Return the global object.
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*
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**/
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virtual nsIScriptGlobalObject* GetGlobalObject() = 0;
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/**
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* Return the native script context
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*
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**/
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virtual void* GetNativeContext() = 0;
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/**
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* Init all DOM classes.
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*
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**/
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virtual nsresult InitClasses() = 0;
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/**
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* Init this context.
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*
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* @param aGlobalObject the gobal object
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*
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* @return NS_OK if context initialization was successful
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*
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**/
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virtual nsresult InitContext(nsIScriptGlobalObject *aGlobalObject) = 0;
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/**
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* Add a reference to a script object. For garbage collected systems
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* the address of a slot to be used as a root is also provided. For
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* reference counted systems, the object is provided.
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*
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* @param aSlot Slot to use as a root for garbage collected systems
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* @param aScriptObject Script object being referenced
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* @param aName Name of the reference (could be null)
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*
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* @return NS_OK if the method is successful
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*/
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virtual nsresult AddNamedReference(void *aSlot, void *aScriptObject,
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const char *aName) = 0;
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/**
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* Remove a reference to a script object. For garbage collected
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* systems, this is equivalent to removing a root.
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*
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* @param aSlot Slot corresponding to the removed root
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* @param aScriptObject script object to whom a reference is released
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*
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* @return NS_OK if the method is successful
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*/
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virtual nsresult RemoveReference(void *aSlot, void *aScriptObject) = 0;
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};
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/**
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* Return a new Context
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*
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*/
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extern "C" NS_DOM nsresult NS_CreateContext(nsIScriptGlobalObject *aGlobal, nsIScriptContext **aContext);
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#endif // nsIScriptContext_h__
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