97 lines
2.9 KiB
Java
97 lines
2.9 KiB
Java
/* -*- Mode: C; tab-width: 4; 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
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the 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 Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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package com.netscape.nativejsengine;
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public class JSContext
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{
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private JSContext() {
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// empty
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}
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public static JSContext newContext(JSRuntime runtime) {
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JSContext context = new JSContext();
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context._runtime = runtime;
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if(! context._init())
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return null;
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return context;
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}
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public boolean isValid() {
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return _nativeContext != 0 && _runtime != null;
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}
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// finalization not guaranteed to happen in right order - trust programmer
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public void destroy() {
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_exit();
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_nativeContext = 0;
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_runtime = null;
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}
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public void eval(String s, String filename, int lineno) {
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if(isValid())
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_eval(s, filename, lineno);
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}
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public void load(String filename) {
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if(isValid())
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_load(filename);
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}
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public IErrorSink getErrorSink() {return _errorSink;}
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public IErrorSink setErrorSink(IErrorSink sink) {
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IErrorSink result = _errorSink;
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_errorSink = sink;
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return result;
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}
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public IPrintSink getPrintSink() {return _printSink;}
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public IPrintSink setPrintSink(IPrintSink sink) {
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IPrintSink result = _printSink;
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_printSink = sink;
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return result;
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}
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/*******************************************************************/
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private void _print(String s) {
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if(null != _printSink)
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_printSink.print(s);
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}
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private void _reportError(String msg, String filename, int lineno,
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String lineBuf, int offset)
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{
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if(null != _errorSink)
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_errorSink.error(msg, filename, lineno, lineBuf, offset);
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}
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private synchronized native boolean _init();
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private synchronized native void _exit();
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private synchronized native void _eval(String s, String filename, int lineno);
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private synchronized native void _load(String filename);
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private long _nativeContext;
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private JSRuntime _runtime;
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private IErrorSink _errorSink;
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private IPrintSink _printSink;
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}
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