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88 lines
3.4 KiB
C++
88 lines
3.4 KiB
C++
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is mozilla.org.
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* Portions created by the Initial Developer are Copyright (C) 2005
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Mark Hammond (initial development)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsIScriptRuntime_h__
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#define nsIScriptRuntime_h__
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#include "nsIScriptContext.h"
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#define NS_ISCRIPTRUNTIME_IID \
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{ 0x2c8d774e, 0xb52a, 0x43ec, \
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{ 0x8e, 0xbc, 0x82, 0x75, 0xb9, 0x34, 0x20, 0x57 } }
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/**
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* A singleton language environment for an application. Responsible for
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* initializing and cleaning up the global language environment, and a factory
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* for language contexts
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*/
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class nsIScriptRuntime : public nsISupports
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{
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_ISCRIPTRUNTIME_IID)
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/*
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* Return the language ID of this script language
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*/
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virtual PRUint32 GetScriptTypeID() = 0;
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/* Parses a "version string" for the language into a bit-mask used by
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* the language implementation. If the specified version is not supported
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* an error should be returned. If the specified version is blank, a default
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* version should be assumed
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*/
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virtual nsresult ParseVersion(const nsString &aVersionStr, PRUint32 *verFlags) = 0;
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/* Factory for a new context for this language */
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virtual already_AddRefed<nsIScriptContext> CreateContext() = 0;
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/* Memory managment for script objects returned from various
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* nsIScriptContext methods. These are identical to those in
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* nsIScriptContext, but are useful when a script context is not known.
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*/
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virtual nsresult DropScriptObject(void *object) = 0;
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virtual nsresult HoldScriptObject(void *object) = 0;
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsIScriptRuntime, NS_ISCRIPTRUNTIME_IID)
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/* helper functions */
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nsresult NS_GetScriptRuntime(const nsAString &aLanguageName,
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nsIScriptRuntime **aRuntime);
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nsresult NS_GetScriptRuntimeByID(PRUint32 aLanguageID,
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nsIScriptRuntime **aRuntime);
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#endif // nsIScriptRuntime_h__
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