mirror of
https://github.com/mozilla/gecko-dev.git
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407 lines
7.9 KiB
C++
407 lines
7.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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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* Pierre Phaneuf <pp@ludusdesign.com>
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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 of the GNU General Public License Version 2 or later (the "GPL"),
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* or 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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#include <stdio.h>
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#include "nsHTMLEditorLog.h"
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#include "nsEditorTxnLog.h"
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#include "nsPIEditorTransaction.h"
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#define LOCK_LOG(doc)
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#define UNLOCK_LOG(doc)
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nsEditorTxnLog::nsEditorTxnLog(nsHTMLEditorLog *aEditorLog)
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{
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mRefCnt = 0;
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mIndentLevel = 0;
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mBatchCount = 0;
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mEditorLog = aEditorLog;
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}
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nsEditorTxnLog::~nsEditorTxnLog()
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{
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}
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// #define DEBUG_EDITOR_TXN_LOG_REFCNT 1
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#ifdef DEBUG_EDITOR_TXN_LOG_REFCNT
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nsrefcnt nsEditorTxnLog::AddRef(void)
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{
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return ++mRefCnt;
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}
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nsrefcnt nsEditorTxnLog::Release(void)
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{
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NS_PRECONDITION(0 != mRefCnt, "dup release");
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if (--mRefCnt == 0) {
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NS_DELETEXPCOM(this);
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return 0;
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}
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return mRefCnt;
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}
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#else
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NS_IMPL_ADDREF(nsEditorTxnLog)
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NS_IMPL_RELEASE(nsEditorTxnLog)
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#endif
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NS_IMPL_QUERY_INTERFACE1(nsEditorTxnLog, nsITransactionListener)
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NS_IMETHODIMP
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nsEditorTxnLog::WillDo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction, PRBool *aInterrupt)
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{
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LOCK_LOG(this);
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PrintIndent(mIndentLevel++);
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Write("WillDo: ");
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WriteTransaction(aTransaction);
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Write("\n");
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Flush();
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UNLOCK_LOG(this);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsEditorTxnLog::DidDo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction, nsresult aDoResult)
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{
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LOCK_LOG(this);
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PrintIndent(--mIndentLevel);
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Write("DidDo: ");
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WriteTransaction(aTransaction);
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Write("(");
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WriteInt(aDoResult);
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Write(")\n");
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Flush();
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UNLOCK_LOG(this);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsEditorTxnLog::WillUndo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction, PRBool *aInterrupt)
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{
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LOCK_LOG(this);
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PrintIndent(mIndentLevel++);
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if (aTransaction)
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{
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Write("WillUndo: ");
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WriteTransaction(aTransaction);
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Write("\n");
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}
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else
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Write("WillUndoBatch\n");
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Flush();
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UNLOCK_LOG(this);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsEditorTxnLog::DidUndo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction, nsresult aUndoResult)
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{
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LOCK_LOG(this);
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PrintIndent(--mIndentLevel);
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if (aTransaction)
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{
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Write("DidUndo: ");
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WriteTransaction(aTransaction);
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Write("(");
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WriteInt(aUndoResult);
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Write(")\n");
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}
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else
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{
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Write("EndUndoBatch (");
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WriteInt(aUndoResult);
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Write(")\n");
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}
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Flush();
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UNLOCK_LOG(this);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsEditorTxnLog::WillRedo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction, PRBool *aInterrupt)
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{
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LOCK_LOG(this);
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PrintIndent(mIndentLevel++);
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if (aTransaction)
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{
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Write("WillRedo: ");
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WriteTransaction(aTransaction);
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Write("\n");
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}
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else
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Write("WillRedoBatch\n");
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Flush();
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UNLOCK_LOG(this);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsEditorTxnLog::DidRedo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction, nsresult aRedoResult)
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{
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LOCK_LOG(this);
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PrintIndent(--mIndentLevel);
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if (aTransaction)
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{
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Write("DidRedo: ");
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WriteTransaction(aTransaction);
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Write(" (");
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WriteInt(aRedoResult);
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Write(")\n");
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}
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else
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{
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Write("DidRedoBatch (");
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WriteInt(aRedoResult);
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Write(")\n");
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}
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Flush();
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UNLOCK_LOG(this);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsEditorTxnLog::WillBeginBatch(nsITransactionManager *aTxMgr, PRBool *aInterrupt)
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{
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LOCK_LOG(this);
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PrintIndent(mIndentLevel);
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Write("WillBeginBatch: ");
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WriteInt(mBatchCount);
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Write("\n");
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Flush();
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UNLOCK_LOG(this);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsEditorTxnLog::DidBeginBatch(nsITransactionManager *aTxMgr, nsresult aResult)
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{
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LOCK_LOG(this);
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PrintIndent(mIndentLevel++);
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Write("DidBeginBatch: ");
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WriteInt(mBatchCount++);
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Write(" (");
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WriteInt(aResult);
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Write(")\n");
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Flush();
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UNLOCK_LOG(this);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsEditorTxnLog::WillEndBatch(nsITransactionManager *aTxMgr, PRBool *aInterrupt)
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{
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LOCK_LOG(this);
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PrintIndent(--mIndentLevel);
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Write("WillEndBatch: ");
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WriteInt(--mBatchCount);
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Write("\n");
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Flush();
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UNLOCK_LOG(this);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsEditorTxnLog::DidEndBatch(nsITransactionManager *aTxMgr, nsresult aResult)
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{
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LOCK_LOG(this);
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PrintIndent(mIndentLevel);
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Write("DidEndBatch: ");
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WriteInt(mBatchCount);
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Write(" (");
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WriteInt(aResult);
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Write(")\n");
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Flush();
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UNLOCK_LOG(this);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsEditorTxnLog::WillMerge(nsITransactionManager *aTxMgr, nsITransaction *aTopTransaction, nsITransaction *aTransaction, PRBool *aInterrupt)
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{
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LOCK_LOG(this);
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PrintIndent(mIndentLevel);
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Write("WillMerge: ");
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WriteTransaction(aTopTransaction);
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Write(" <-- ");
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WriteTransaction(aTransaction);
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Write("\n");
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Flush();
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UNLOCK_LOG(this);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsEditorTxnLog::DidMerge(nsITransactionManager *aTxMgr, nsITransaction *aTopTransaction, nsITransaction *aTransaction, PRBool aDidMerge, nsresult aMergeResult)
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{
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LOCK_LOG(this);
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PrintIndent(mIndentLevel);
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Write("DidMerge: ");
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WriteTransaction(aTopTransaction);
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Write(" <-- ");
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WriteTransaction(aTransaction);
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Write(" (");
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Write(aDidMerge ? "TRUE" : "FALSE");
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Write(", ");
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WriteInt(aMergeResult);
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Write(")\n");
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Flush();
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UNLOCK_LOG(this);
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return NS_OK;
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}
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nsresult
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nsEditorTxnLog::WriteTransaction(nsITransaction *aTransaction)
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{
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nsString str;
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nsCOMPtr<nsPIEditorTransaction> txn = do_QueryInterface(aTransaction);
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if (txn) {
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txn->GetTxnDescription(str);
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if (str.IsEmpty())
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str.AssignLiteral("<NULL>");
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}
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return Write(NS_LossyConvertUTF16toASCII(str).get());
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}
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nsresult
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nsEditorTxnLog::PrintIndent(PRInt32 aIndentLevel)
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{
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PRInt32 i;
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Write(" // ");
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for (i = 0; i < aIndentLevel; i++)
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Write(" ");
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return NS_OK;
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}
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nsresult
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nsEditorTxnLog::Write(const char *aBuffer)
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{
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if (!aBuffer)
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return NS_ERROR_NULL_POINTER;
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if (mEditorLog)
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mEditorLog->Write(aBuffer);
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else
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{
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PRInt32 len = strlen(aBuffer);
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if (len > 0)
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fwrite(aBuffer, 1, len, stdout);
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}
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return NS_OK;
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}
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nsresult
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nsEditorTxnLog::WriteInt(PRInt32 aInt)
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{
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if (mEditorLog)
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mEditorLog->WriteInt(aInt);
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else
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printf("%d", aInt);
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return NS_OK;
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}
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nsresult
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nsEditorTxnLog::Flush()
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{
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nsresult result = NS_OK;
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#ifdef SLOWS_THINGS_WAY_DOWN
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if (mEditorLog)
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result = mEditorLog->Flush();
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else
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fflush(stdout);
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#endif // SLOWS_THINGS_WAY_DOWN
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return result;
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}
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