зеркало из https://github.com/mozilla/gecko-dev.git
168 строки
5.4 KiB
Java
168 строки
5.4 KiB
Java
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* ***** 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
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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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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package com.netscape.jsdebugging.api.rhino;
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import com.netscape.jsdebugging.api.*;
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import netscape.util.Vector;
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import netscape.security.PrivilegeManager;
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import netscape.security.ForbiddenTargetException;
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import java.util.Enumeration;
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public class SourceTextProviderRhino
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implements SourceTextProvider
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{
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public static boolean setGlobalSourceTextManager(com.netscape.javascript.SourceTextManager manager)
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{
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if(null != _pro)
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return false;
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_pro = manager;
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return true;
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}
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// allow for possible singleton-ness enforcement
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public static SourceTextProvider getSourceTextProvider()
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{
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return new SourceTextProviderRhino();
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}
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private SourceTextProviderRhino()
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{
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}
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// implement netscape.jsdebugger.SourceTextProvider
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public SourceTextItem[] getItems()
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{
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if( null == _pro )
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return null;
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if( null == _items )
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_rebuildItemsArray();
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return _items;
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}
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public void refreshAll()
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{
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if( null == _pro )
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return;
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// _pro.refreshSourceTextVector();
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_rebuildItemsArray();
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}
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public SourceTextItem findItem(String url)
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{
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if( null == _pro )
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return null;
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if( null == _items )
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_rebuildItemsArray();
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if( null == _items )
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return null;
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for( int i = 0; i < _items.length; i++ )
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{
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if( url.equals(_items[i].getURL()) )
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return _items[i];
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}
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return null;
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}
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public SourceTextItem loadItem(String url)
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{
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// XXX not implemented...
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return null;
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}
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// this goes through some gyrations to try to reuse existing item wrappers
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private void _rebuildItemsArray()
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{
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SourceTextItemRhino[] olditems = _items;
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_items = null;
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if( null == _pro )
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return;
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try
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{
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int count;
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PrivilegeManager.enablePrivilege("Debugger");
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// XXX this is ugly, but for now we build a Vecter from the
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// Enumeration so that we can reuse the old code below
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Vector v = new Vector();
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Enumeration e = _pro.getAllItems();
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while(e.hasMoreElements())
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v.addElement(e.nextElement());
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if( null == v || 0 == (count = v.size()) )
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return;
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SourceTextItemRhino[] newitems = new SourceTextItemRhino[count];
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next_item: for( int i = 0; i < count; i++ )
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{
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com.netscape.javascript.SourceTextItem rawItem =
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(com.netscape.javascript.SourceTextItem) v.elementAt(i);
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if( null != olditems && 0 != olditems.length )
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{
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for( int k = 0; k < olditems.length; k++ )
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{
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SourceTextItemRhino item = olditems[k];
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if( item.getWrappedItem().equals(rawItem) )
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{
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if( item.getWrappedItem() != rawItem )
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item.setWrappedItem(rawItem);
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newitems[i] = item;
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continue next_item;
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}
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}
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}
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newitems[i] = new SourceTextItemRhino(rawItem);
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}
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_items = newitems;
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}
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catch( ForbiddenTargetException e )
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{
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// eat it;
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}
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}
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// data
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private static com.netscape.javascript.SourceTextManager _pro = null;
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private SourceTextItemRhino[] _items = null;
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}
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