зеркало из https://github.com/mozilla/pjs.git
4619 строки
136 KiB
C++
4619 строки
136 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 XMLterm.
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*
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* The Initial Developer of the Original Code is
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* Ramalingam Saravanan.
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* Portions created by the Initial Developer are Copyright (C) 1999
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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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// mozXMLTermSession.cpp: implementation of mozXMLTermSession class
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#include "nscore.h"
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#include "prlog.h"
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#include "nscore.h"
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#include "nsCOMPtr.h"
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#include "nsString.h"
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#include "nsCRT.h"
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#include "nsIComponentManager.h"
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#include "nsMemory.h"
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#include "nsIDocumentViewer.h"
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#include "nsILocalFile.h"
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#include "nsNetUtil.h"
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#include "nsITextContent.h"
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#include "nsIDOMElement.h"
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#include "nsISelection.h"
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#include "nsIDOMText.h"
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#include "nsIDOMAttr.h"
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#include "nsIDOMNamedNodeMap.h"
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#include "nsIDOMNodeList.h"
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#include "nsIDOMRange.h"
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#include "nsIDOMCharacterData.h"
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#include "nsIDOMHTMLDocument.h"
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#include "nsIDOMDocumentFragment.h"
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#include "nsIDOMNSRange.h"
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#include "nsIViewManager.h"
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#include "nsIScrollableView.h"
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#include "mozXMLT.h"
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#include "mozIXMLTerminal.h"
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#include "mozIXMLTermStream.h"
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#include "mozXMLTermUtils.h"
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#include "mozXMLTermSession.h"
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#include "nsISelectionController.h"
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#include "nsReadableUtils.h"
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#include "nsIDocument.h"
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/////////////////////////////////////////////////////////////////////////
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// mozXMLTermSession definition
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/////////////////////////////////////////////////////////////////////////
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static const char* kWhitespace=" \b\t\r\n";
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static const PRUnichar kNBSP = 160;
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const char* const mozXMLTermSession::sessionElementNames[] = {
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"session",
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"entry",
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"input",
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"output",
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"prompt",
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"command",
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"stdin",
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"stdout",
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"stderr",
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"mixed",
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"warning"
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};
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// Should HTML event names should always be in lower case for DOM to work?
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const char* const mozXMLTermSession::sessionEventNames[] = {
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"click"
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};
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const char* const mozXMLTermSession::metaCommandNames[] = {
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"",
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"default",
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"http",
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"js",
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"tree",
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"ls"
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};
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const char* const mozXMLTermSession::fileTypeNames[] = {
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"plainfile",
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"directory",
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"executable"
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};
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const char* const mozXMLTermSession::treeActionNames[] = {
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"^",
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"v",
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"<",
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">",
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"A",
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"H"
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};
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mozXMLTermSession::mozXMLTermSession() :
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mInitialized(PR_FALSE),
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mXMLTerminal(nsnull),
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mBodyNode(nsnull),
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mMenusNode(nsnull),
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mSessionNode(nsnull),
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mCurrentDebugNode(nsnull),
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mStartEntryNode(nsnull),
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mCurrentEntryNode(nsnull),
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mMaxHistory(20),
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mStartEntryNumber(0),
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mCurrentEntryNumber(0),
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mEntryHasOutput(PR_FALSE),
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mPromptTextNode(nsnull),
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mCommandSpanNode(nsnull),
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mInputTextNode(nsnull),
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mOutputBlockNode(nsnull),
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mOutputDisplayNode(nsnull),
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mOutputTextNode(nsnull),
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mXMLTermStream(nsnull),
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mOutputType(LINE_OUTPUT),
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mOutputDisplayType(NO_NODE),
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mOutputMarkupType(PLAIN_TEXT),
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mMetaCommandType(NO_META_COMMAND),
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mAutoDetect(FIRST_LINE),
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mFirstOutputLine(PR_FALSE),
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mEntryOutputLines(0),
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mPreTextBufferLines(0),
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mPreTextIncomplete(),
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mPreTextBuffered(),
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mPreTextDisplayed(),
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mScreenNode(nsnull),
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mScreenRows(0),
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mScreenCols(0),
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mTopScrollRow(0),
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mBotScrollRow(0),
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mRestoreInputEcho(PR_FALSE),
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mCountExportHTML(0),
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mLastExportHTML(),
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mShellPrompt(),
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mPromptHTML(),
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mFragmentBuffer()
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{
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}
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mozXMLTermSession::~mozXMLTermSession()
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{
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Finalize();
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}
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// Initialize XMLTermSession
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NS_IMETHODIMP mozXMLTermSession::Init(mozIXMLTerminal* aXMLTerminal,
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nsIPresShell* aPresShell,
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nsIDOMDocument* aDOMDocument,
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PRInt32 nRows, PRInt32 nCols)
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{
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nsresult result = NS_OK;
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XMLT_LOG(mozXMLTermSession::Init,30,("\n"));
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if (mInitialized)
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return NS_ERROR_ALREADY_INITIALIZED;
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if (!aXMLTerminal || !aPresShell || !aDOMDocument)
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return NS_ERROR_NULL_POINTER;
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mXMLTerminal = aXMLTerminal; // containing XMLTerminal; no addref
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mInitialized = PR_TRUE;
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mScreenRows = nRows;
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mScreenCols = nCols;
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mTopScrollRow = mScreenRows - 1;
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mBotScrollRow = 0;
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nsCOMPtr<nsIDOMDocument> domDoc;
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result = mXMLTerminal->GetDOMDocument(getter_AddRefs(domDoc));
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if (NS_FAILED(result) || !domDoc)
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return NS_ERROR_FAILURE;
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nsCOMPtr<nsIDOMHTMLDocument> vDOMHTMLDocument
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(do_QueryInterface(domDoc));
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if (!vDOMHTMLDocument)
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return NS_ERROR_FAILURE;
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// Locate document body node
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nsCOMPtr<nsIDOMNodeList> nodeList;
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nsAutoString bodyTag;
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bodyTag.AssignLiteral("body");
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result = vDOMHTMLDocument->GetElementsByTagName(bodyTag,
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getter_AddRefs(nodeList));
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if (NS_FAILED(result) || !nodeList)
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return NS_ERROR_FAILURE;
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PRUint32 count;
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nodeList->GetLength(&count);
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PR_ASSERT(count==1);
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result = nodeList->Item(0, getter_AddRefs(mBodyNode));
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if (NS_FAILED(result) || !mBodyNode)
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return NS_ERROR_FAILURE;
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nsCOMPtr<nsIDOMElement> menusElement;
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nsAutoString menusID( NS_LITERAL_STRING("menus") );
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result = vDOMHTMLDocument->GetElementById(menusID,
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getter_AddRefs(menusElement));
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if (NS_SUCCEEDED(result) && menusElement) {
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mMenusNode = do_QueryInterface(menusElement);
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}
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// Use body node as session node by default
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mSessionNode = mBodyNode;
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nsCOMPtr<nsIDOMElement> sessionElement;
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nsAutoString sessionID;
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sessionID.AssignASCII(sessionElementNames[SESSION_ELEMENT]);
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result = vDOMHTMLDocument->GetElementById(sessionID,
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getter_AddRefs(sessionElement));
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if (NS_SUCCEEDED(result) && sessionElement) {
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// Specific session node
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mSessionNode = do_QueryInterface(sessionElement);
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}
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mCurrentDebugNode = mSessionNode;
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// Create preface element to display initial output
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result = NewPreface();
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if (NS_FAILED(result))
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return NS_ERROR_FAILURE;
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#if 0
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nsAutoString prefaceText ("Preface");
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result = AppendOutput(prefaceText, EmptyString(), PR_TRUE);
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#endif
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XMLT_LOG(mozXMLTermSession::Init,31,("exiting\n"));
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return result;
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}
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// De-initialize XMLTermSession
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NS_IMETHODIMP mozXMLTermSession::Finalize(void)
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{
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if (!mInitialized)
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return NS_OK;
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XMLT_LOG(mozXMLTermSession::Finalize,30,("\n"));
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mInitialized = PR_FALSE;
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mScreenNode = nsnull;
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mOutputBlockNode = nsnull;
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mOutputDisplayNode = nsnull;
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mOutputTextNode = nsnull;
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mXMLTermStream = nsnull;
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mPromptTextNode = nsnull;
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mCommandSpanNode = nsnull;
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mInputTextNode = nsnull;
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mStartEntryNode = nsnull;
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mCurrentEntryNode = nsnull;
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mBodyNode = nsnull;
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mMenusNode = nsnull;
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mSessionNode = nsnull;
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mCurrentDebugNode = nsnull;
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mXMLTerminal = nsnull;
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XMLT_LOG(mozXMLTermSession::Finalize,32,("END\n"));
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return NS_OK;
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}
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/** Resizes XMLterm to match a resized window.
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* @param lineTermAux LineTermAux object to be resized (may be null)
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*/
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NS_IMETHODIMP mozXMLTermSession::Resize(mozILineTermAux* lineTermAux)
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{
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nsresult result;
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XMLT_LOG(mozXMLTermSession::Resize,70,("\n"));
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// Determine current screen dimensions
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PRInt32 nRows, nCols, xPixels, yPixels;
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result = mXMLTerminal->ScreenSize(&nRows, &nCols, &xPixels, &yPixels);
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if (NS_FAILED(result))
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return result;
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// If dimensions haven't changed, do nothing
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if ((nRows == mScreenRows) && (nCols == mScreenCols))
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return NS_OK;
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mScreenRows = nRows;
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mScreenCols = nCols;
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mTopScrollRow = mScreenRows - 1;
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mBotScrollRow = 0;
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XMLT_LOG(mozXMLTermSession::Resize,72,
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("Resizing XMLterm, nRows=%d, nCols=%d\n", mScreenRows, mScreenCols));
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if (lineTermAux) {
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// Resize associated LineTerm
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result = lineTermAux->ResizeAux(mScreenRows, mScreenCols);
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if (NS_FAILED(result))
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return result;
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}
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return NS_OK;
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}
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/** Preprocesses user input before it is transmitted to LineTerm
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* @param aString (inout) input data to be preprocessed
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* @param consumed (output) PR_TRUE if input data has been consumed
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* @param checkSize (output) PR_TRUE if terminal size needs to be checked
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*/
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NS_IMETHODIMP mozXMLTermSession::Preprocess(const nsString& aString,
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PRBool& consumed,
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PRBool& checkSize)
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{
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XMLT_LOG(mozXMLTermSession::Preprocess,70,("\n"));
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consumed = PR_FALSE;
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checkSize = PR_FALSE;
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if (mMetaCommandType == TREE_META_COMMAND) {
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if (aString.Length() == 1) {
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// Navigate the DOM tree from keyboard
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PRUnichar uch = aString.CharAt(0);
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XMLT_LOG(mozXMLTermSession::Preprocess,60,("char=0x%x\n", uch));
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consumed = PR_TRUE;
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switch (uch) {
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case U_CTL_B:
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TraverseDOMTree(stderr, mBodyNode, mCurrentDebugNode,
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TREE_MOVE_LEFT);
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break;
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case U_CTL_F:
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TraverseDOMTree(stderr, mBodyNode, mCurrentDebugNode,
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TREE_MOVE_RIGHT);
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break;
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case U_CTL_N:
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TraverseDOMTree(stderr, mBodyNode, mCurrentDebugNode,
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TREE_MOVE_DOWN);
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break;
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case U_CTL_P:
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TraverseDOMTree(stderr, mBodyNode, mCurrentDebugNode,
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TREE_MOVE_UP);
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break;
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case U_A_CHAR:
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case U_a_CHAR:
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TraverseDOMTree(stderr, mBodyNode, mCurrentDebugNode,
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TREE_PRINT_ATTS);
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break;
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case U_H_CHAR:
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case U_h_CHAR:
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TraverseDOMTree(stderr, mBodyNode, mCurrentDebugNode,
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TREE_PRINT_HTML);
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break;
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case U_Q_CHAR:
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case U_q_CHAR:
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case U_CTL_C:
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// End of keyboard command sequence; reset debug node to session node
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mCurrentDebugNode = mSessionNode;
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mMetaCommandType = NO_META_COMMAND;
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break;
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default:
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break;
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}
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}
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} else {
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if ((mScreenNode == nsnull) &&
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(aString.FindCharInSet("\r\n\017") >= 0)) {
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// C-Return or Newline or Control-O found in string; not screen mode;
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// resize terminal, if need be
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checkSize = PR_TRUE;
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XMLT_LOG(mozXMLTermSession::Preprocess,72,("checkSize\n"));
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}
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}
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return NS_OK;
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}
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/** Reads all available data from LineTerm and displays it;
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* returns when no more data is available.
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* @param lineTermAux LineTermAux object to read data from
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* @param processedData (output) PR_TRUE if any data was processed
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*/
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NS_IMETHODIMP mozXMLTermSession::ReadAll(mozILineTermAux* lineTermAux,
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PRBool& processedData)
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{
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PRInt32 opcodes, opvals, buf_row, buf_col;
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PRUnichar *buf_str, *buf_style;
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PRBool newline, errorFlag, streamData, screenData;
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nsAutoString bufString, bufStyle;
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nsAutoString abortCode;
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abortCode.SetLength(0);
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XMLT_LOG(mozXMLTermSession::ReadAll,60,("\n"));
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processedData = PR_FALSE;
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if (lineTermAux == nsnull)
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return NS_ERROR_FAILURE;
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nsresult result = NS_OK;
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PRBool flushOutput = PR_FALSE;
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PRBool metaNextCommand = PR_FALSE;
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// NOTE: Do not execute return statements within this loop ;
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// always break out of the loop after setting result to an error value,
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// allowing cleanup processing on error
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for (;;) {
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// NOTE: Remember to de-allocate buf_str and buf_style
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// using nsMemory::Free, if opcodes != 0
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result = lineTermAux->ReadAux(&opcodes, &opvals, &buf_row, &buf_col,
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&buf_str, &buf_style);
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if (NS_FAILED(result)) {
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abortCode.AssignLiteral("lineTermReadAux");
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break;
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}
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XMLT_LOG(mozXMLTermSession::ReadAll,62,
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("opcodes=0x%x,mOutputType=%d,mEntryHasOutput=%d\n",
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opcodes, mOutputType, mEntryHasOutput));
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if (opcodes == 0) break;
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processedData = PR_TRUE;
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screenData = (opcodes & LTERM_SCREENDATA_CODE);
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streamData = (opcodes & LTERM_STREAMDATA_CODE);
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newline = (opcodes & LTERM_NEWLINE_CODE);
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errorFlag = (opcodes & LTERM_ERROR_CODE);
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// Copy character/style strings
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bufString = buf_str;
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bufStyle = buf_style;
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// De-allocate buf_str, buf_style using nsMemory::Free
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nsMemory::Free(buf_str);
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nsMemory::Free(buf_style);
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char* temCString = ToNewCString(bufString);
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XMLT_LOG(mozXMLTermSession::ReadAll,68,("bufString=%s\n", temCString));
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nsCRT::free(temCString);
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if (screenData && (mOutputType != SCREEN_OUTPUT)) {
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// Initiate screen mode
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XMLT_LOG(mozXMLTermSession::ReadAll,62,("Initiate SCREEN mode\n"));
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// Break output display
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result = BreakOutput(PR_FALSE);
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if (NS_FAILED(result))
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break;
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// Create screen element
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result = NewScreen();
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if (NS_FAILED(result))
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break;
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mOutputType = SCREEN_OUTPUT;
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// Disable input echo
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lineTermAux->SetEchoFlag(PR_FALSE);
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mRestoreInputEcho = PR_TRUE;
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}
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if (!screenData && (mOutputType == SCREEN_OUTPUT)) {
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// Terminate screen mode
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mOutputType = LINE_OUTPUT;
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XMLT_LOG(mozXMLTermSession::ReadAll,62,
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("Terminating screen mode\n"));
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// Uncollapse non-screen stuff
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nsAutoString attName(NS_LITERAL_STRING("xmlt-block-collapsed"));
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nsCOMPtr<nsIDOMElement> menusElement = do_QueryInterface(mMenusNode);
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if (NS_SUCCEEDED(result) && menusElement) {
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menusElement->RemoveAttribute(attName);
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMElement> sessionElement = do_QueryInterface(mSessionNode);
|
|
|
|
if (sessionElement) {
|
|
sessionElement->RemoveAttribute(attName);
|
|
}
|
|
|
|
// Delete screen element
|
|
nsCOMPtr<nsIDOMNode> resultNode;
|
|
mBodyNode->RemoveChild(mScreenNode, getter_AddRefs(resultNode));
|
|
if (NS_FAILED(result))
|
|
break;
|
|
mScreenNode = nsnull;
|
|
|
|
if (mRestoreInputEcho) {
|
|
lineTermAux->SetEchoFlag(PR_TRUE);
|
|
mRestoreInputEcho = PR_FALSE;
|
|
}
|
|
|
|
// Show the caret
|
|
// WORKAROUND for some unknown bug in the full screen implementation.
|
|
// Without this, if you delete a line using "vi" and save the file,
|
|
// the cursor suddenly disappears
|
|
mXMLTerminal->ShowCaret();
|
|
}
|
|
|
|
if (streamData) {
|
|
// Process stream data
|
|
if (mOutputType != STREAM_OUTPUT) {
|
|
mOutputType = STREAM_OUTPUT;
|
|
|
|
// Disable input echo
|
|
lineTermAux->SetEchoFlag(PR_FALSE);
|
|
mRestoreInputEcho = PR_TRUE;
|
|
|
|
// Determine effective stream URL and default markup type
|
|
nsAutoString streamURL;
|
|
OutputMarkupType streamMarkupType;
|
|
PRBool streamIsSecure = (opcodes & LTERM_COOKIESTR_CODE);
|
|
|
|
if (streamIsSecure) {
|
|
// Secure stream, i.e., prefixed with cookie; fragments allowed
|
|
streamURL.AssignLiteral("chrome://xmlterm/content/xmltblank.html");
|
|
|
|
if (opcodes & LTERM_JSSTREAM_CODE) {
|
|
// Javascript stream
|
|
streamMarkupType = JS_FRAGMENT;
|
|
|
|
} else {
|
|
// HTML/XML stream
|
|
streamMarkupType = HTML_FRAGMENT;
|
|
}
|
|
|
|
} else {
|
|
// Insecure stream; do not display
|
|
streamURL.AssignLiteral("http://in.sec.ure");
|
|
streamMarkupType = INSECURE_FRAGMENT;
|
|
}
|
|
|
|
if (!(opcodes & LTERM_JSSTREAM_CODE) &&
|
|
(opcodes & LTERM_DOCSTREAM_CODE)) {
|
|
// Stream contains complete document (not Javascript)
|
|
|
|
if (opcodes & LTERM_XMLSTREAM_CODE) {
|
|
streamMarkupType = XML_DOCUMENT;
|
|
} else {
|
|
streamMarkupType = HTML_DOCUMENT;
|
|
}
|
|
}
|
|
|
|
// Initialize stream output
|
|
result = InitStream(streamURL, streamMarkupType, streamIsSecure);
|
|
if (NS_FAILED(result))
|
|
break;
|
|
}
|
|
|
|
// Process stream output
|
|
bufStyle.SetLength(0);
|
|
result = ProcessOutput(bufString, bufStyle, PR_FALSE, PR_TRUE);
|
|
if (NS_FAILED(result))
|
|
break;
|
|
|
|
if (newline) {
|
|
if (!mEntryHasOutput) {
|
|
// Start of command output
|
|
mEntryHasOutput = PR_TRUE;
|
|
}
|
|
|
|
if (errorFlag) {
|
|
mOutputMarkupType = INCOMPLETE_FRAGMENT;
|
|
}
|
|
|
|
// Break stream output display
|
|
result = BreakOutput(PR_TRUE);
|
|
if (NS_FAILED(result))
|
|
break;
|
|
|
|
mOutputType = LINE_OUTPUT;
|
|
flushOutput = PR_TRUE;
|
|
}
|
|
|
|
} else if (screenData) {
|
|
// Process screen data
|
|
|
|
if (opcodes & LTERM_CLEAR_CODE) {
|
|
// Clear screen
|
|
XMLT_LOG(mozXMLTermSession::ReadAll,62,
|
|
("Clear screen, opvals=%d, buf_row=%d\n",
|
|
opvals, buf_row));
|
|
|
|
nsCOMPtr<nsIDOMNode> resultNode;
|
|
result = mBodyNode->RemoveChild(mScreenNode,
|
|
getter_AddRefs(resultNode));
|
|
if (NS_FAILED(result))
|
|
break;
|
|
|
|
mScreenNode = nsnull;
|
|
|
|
// Create new screen element
|
|
result = NewScreen();
|
|
if (NS_FAILED(result))
|
|
break;
|
|
|
|
} else if (opcodes & LTERM_INSERT_CODE) {
|
|
// Insert rows
|
|
PRInt32 row;
|
|
nsCOMPtr<nsIDOMNode> rowNode, resultNode;
|
|
|
|
XMLT_LOG(mozXMLTermSession::ReadAll,62,
|
|
("Insert rows, opvals=%d, buf_row=%d\n",
|
|
opvals, buf_row));
|
|
|
|
if (opvals > 0) {
|
|
// Delete row elements below
|
|
for (row=0; row < opvals; row++) {
|
|
result = GetRow(mBotScrollRow+opvals-1, getter_AddRefs(rowNode));
|
|
if (NS_FAILED(result) || !rowNode)
|
|
break;
|
|
|
|
result = mScreenNode->RemoveChild(rowNode,
|
|
getter_AddRefs(resultNode));
|
|
if (NS_FAILED(result))
|
|
break;
|
|
}
|
|
if (NS_FAILED(result))
|
|
break;
|
|
|
|
// Insert individual row elements above
|
|
if (buf_row < opvals) {
|
|
rowNode = nsnull;
|
|
} else {
|
|
result = GetRow(buf_row, getter_AddRefs(rowNode));
|
|
if (NS_FAILED(result))
|
|
break;
|
|
}
|
|
|
|
for (row=0; row < opvals; row++)
|
|
NewRow(rowNode, getter_AddRefs(resultNode));
|
|
}
|
|
|
|
} else if (opcodes & LTERM_DELETE_CODE) {
|
|
// Delete rows
|
|
PRInt32 row;
|
|
nsCOMPtr<nsIDOMNode> rowNode, resultNode;
|
|
|
|
XMLT_LOG(mozXMLTermSession::ReadAll,62,
|
|
("Delete rows, opvals=%d, buf_row=%d\n",
|
|
opvals, buf_row));
|
|
|
|
if (opvals > 0) {
|
|
// Delete row elements below
|
|
for (row=0; row < opvals; row++) {
|
|
result = GetRow(buf_row, getter_AddRefs(rowNode));
|
|
if (NS_FAILED(result) || !rowNode)
|
|
break;
|
|
|
|
result = mScreenNode->RemoveChild(rowNode,
|
|
getter_AddRefs(resultNode));
|
|
if (NS_FAILED(result))
|
|
break;
|
|
}
|
|
if (NS_FAILED(result))
|
|
break;
|
|
|
|
// Insert individual row elements above
|
|
if (mBotScrollRow == 0) {
|
|
rowNode = nsnull;
|
|
} else {
|
|
result = GetRow(mBotScrollRow+opvals-1, getter_AddRefs(rowNode));
|
|
if (NS_FAILED(result))
|
|
break;
|
|
}
|
|
|
|
for (row=0; row < opvals; row++)
|
|
NewRow(rowNode, getter_AddRefs(resultNode));
|
|
}
|
|
|
|
} else if (opcodes & LTERM_SCROLL_CODE) {
|
|
// Set scrolling region
|
|
XMLT_LOG(mozXMLTermSession::ReadAll,62,
|
|
("Set scrolling region, opvals=%d, buf_row=%d\n",
|
|
opvals, buf_row));
|
|
|
|
mTopScrollRow = opvals;
|
|
mBotScrollRow = buf_row;
|
|
|
|
} else if (opcodes & LTERM_OUTPUT_CODE) {
|
|
// Display row
|
|
XMLT_LOG(mozXMLTermSession::ReadAll,62,
|
|
("Display buf_row=%d\n",
|
|
buf_row));
|
|
|
|
result = DisplayRow(bufString, bufStyle, buf_row);
|
|
if (NS_FAILED(result))
|
|
break;
|
|
}
|
|
|
|
// Determine cursor position and position cursor
|
|
PRInt32 cursorRow = 0;
|
|
PRInt32 cursorCol = 0;
|
|
result = lineTermAux->GetCursorRow(&cursorRow);
|
|
result = lineTermAux->GetCursorColumn(&cursorCol);
|
|
|
|
XMLT_LOG(mozXMLTermSession::ReadAll,62, ("cursorRow=%d, cursorCol=%d\n",
|
|
cursorRow, cursorCol));
|
|
|
|
result = PositionScreenCursor(cursorRow, cursorCol);
|
|
|
|
flushOutput = PR_FALSE;
|
|
|
|
} else {
|
|
// Process line data
|
|
PRBool promptLine, inputLine, metaCommand, completionRequested;
|
|
|
|
flushOutput = PR_TRUE;
|
|
|
|
inputLine = (opcodes & LTERM_INPUT_CODE);
|
|
promptLine = (opcodes & LTERM_PROMPT_CODE);
|
|
metaCommand = (opcodes & LTERM_META_CODE);
|
|
completionRequested = (opcodes & LTERM_COMPLETION_CODE);
|
|
|
|
nsAutoString promptStr;
|
|
PRInt32 promptLength = 0;
|
|
promptStr.SetLength(0);
|
|
|
|
if (promptLine) {
|
|
// Count prompt characters
|
|
const PRUnichar *styleVals = bufStyle.get();
|
|
const PRInt32 bufLength = bufStyle.Length();
|
|
|
|
for (promptLength=0; promptLength<bufLength; promptLength++) {
|
|
if (styleVals[promptLength] != LTERM_PROMPT_STYLE)
|
|
break;
|
|
}
|
|
|
|
XMLT_LOG(mozXMLTermSession::ReadAll,62,
|
|
("bufLength=%d, promptLength=%d, styleVals[0]=0x%x\n",
|
|
bufLength, promptLength, styleVals[0]));
|
|
|
|
PR_ASSERT(promptLength > 0);
|
|
|
|
// Extract prompt string
|
|
bufString.Left(promptStr, promptLength);
|
|
|
|
if ( (promptLength < bufLength) &&
|
|
!inputLine &&
|
|
!promptStr.Equals(mShellPrompt) ) {
|
|
// Ignore the mismatched prompt in the output line
|
|
int j;
|
|
promptLine = 0;
|
|
|
|
for (j=0; j<promptLength; j++)
|
|
bufStyle.SetCharAt((UNICHAR) LTERM_STDOUT_STYLE, j);
|
|
|
|
} else {
|
|
// Remove prompt chars/style from buffer strings
|
|
bufString.Cut(0, promptLength);
|
|
bufStyle.Cut(0, promptLength);
|
|
|
|
// Save prompt string
|
|
mShellPrompt = promptStr;
|
|
}
|
|
}
|
|
|
|
if (!metaCommand && inputLine) {
|
|
if (metaNextCommand) {
|
|
// Echo of transmitted meta command
|
|
metaNextCommand = PR_FALSE;
|
|
|
|
} else {
|
|
// No meta command; enable input echo
|
|
mMetaCommandType = NO_META_COMMAND;
|
|
|
|
if (mRestoreInputEcho) {
|
|
lineTermAux->SetEchoFlag(PR_TRUE);
|
|
mRestoreInputEcho = PR_FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (metaCommand && !completionRequested) {
|
|
// Identify meta command type
|
|
|
|
// Eliminate leading spaces/TABs
|
|
nsAutoString metaLine = bufString;
|
|
metaLine.Trim(kWhitespace, PR_TRUE, PR_FALSE);
|
|
|
|
int delimOffset = metaLine.FindChar((PRUnichar) ':');
|
|
PR_ASSERT(delimOffset >= 0);
|
|
|
|
XMLT_LOG(mozXMLTermSession::ReadAll,62,
|
|
("delimOffset=%d\n", delimOffset));
|
|
|
|
if (delimOffset == 0) {
|
|
// Default protocol
|
|
mMetaCommandType = DEFAULT_META_COMMAND;
|
|
|
|
} else {
|
|
// Identify meta command type
|
|
mMetaCommandType = NO_META_COMMAND;
|
|
|
|
nsAutoString temString;
|
|
metaLine.Left(temString, delimOffset);
|
|
|
|
PRInt32 j;
|
|
for (j=NO_META_COMMAND+1; j<META_COMMAND_TYPES; j++) {
|
|
if (temString.EqualsASCII(metaCommandNames[j])) {
|
|
mMetaCommandType = (MetaCommandType) j;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
XMLT_LOG(mozXMLTermSession::ReadAll,62,("mMetaCommandType=%d\n",
|
|
mMetaCommandType));
|
|
|
|
// Extract command arguments
|
|
int argChars = metaLine.Length() - delimOffset - 1;
|
|
nsAutoString commandArgs;
|
|
metaLine.Right(commandArgs, argChars);
|
|
|
|
// Eliminate leading spaces/TABs
|
|
commandArgs.Trim(kWhitespace, PR_TRUE, PR_FALSE);
|
|
|
|
// Display meta command
|
|
if (mEntryHasOutput) {
|
|
// Break previous output display
|
|
result = BreakOutput(PR_FALSE);
|
|
|
|
// Create new entry block
|
|
result = NewEntry(promptStr);
|
|
if (NS_FAILED(result))
|
|
break;
|
|
}
|
|
|
|
// Display input and position cursor
|
|
PRInt32 cursorCol = 0;
|
|
result = lineTermAux->GetCursorColumn(&cursorCol);
|
|
|
|
// Remove prompt offset
|
|
cursorCol -= promptLength;
|
|
if (cursorCol < 0) cursorCol = 0;
|
|
|
|
XMLT_LOG(mozXMLTermSession::ReadAll,62,("cursorCol=%d\n", cursorCol));
|
|
|
|
result = DisplayInput(bufString, bufStyle, cursorCol);
|
|
if (NS_FAILED(result))
|
|
break;
|
|
|
|
if (newline && mXMLTerminal) {
|
|
// Complete meta command; XMLterm instantiated
|
|
nsAutoString metaCommandOutput;
|
|
metaCommandOutput.SetLength(0);
|
|
|
|
nsCOMPtr<nsIDOMDocument> domDoc;
|
|
result = mXMLTerminal->GetDOMDocument(getter_AddRefs(domDoc));
|
|
if (NS_FAILED(result) || !domDoc)
|
|
break;
|
|
|
|
switch (mMetaCommandType) {
|
|
|
|
case DEFAULT_META_COMMAND:
|
|
{
|
|
// Construct Javascript command to handle default meta command
|
|
nsAutoString JSCommand;
|
|
JSCommand.AssignLiteral("MetaDefault(\"");
|
|
JSCommand.Append(commandArgs);
|
|
JSCommand.Append(NS_LITERAL_STRING("\");"));
|
|
|
|
// Execute JavaScript command
|
|
result = mozXMLTermUtils::ExecuteScript(domDoc,
|
|
JSCommand,
|
|
metaCommandOutput);
|
|
nsCAutoString cstrout;
|
|
if (NS_SUCCEEDED(result))
|
|
CopyUCS2toASCII(metaCommandOutput, cstrout);
|
|
else
|
|
cstrout = "Error in displaying URL\n";
|
|
XMLT_LOG(mozXMLTermSession::ReadAll,63,
|
|
("DEFAULT_META output=%s\n", cstrout.get()));
|
|
|
|
}
|
|
break;
|
|
|
|
case HTTP_META_COMMAND:
|
|
{
|
|
// Display URL using IFRAME
|
|
nsAutoString url;
|
|
url.AssignLiteral("http:");
|
|
url.Append(commandArgs);
|
|
nsAutoString width;
|
|
width.AssignLiteral("100%");
|
|
nsAutoString height;
|
|
height.AssignLiteral("100");
|
|
result = NewIFrame(mOutputBlockNode, mCurrentEntryNumber,
|
|
2, url, width, height);
|
|
if (NS_FAILED(result))
|
|
metaCommandOutput.AssignLiteral("Error in displaying URL\n");
|
|
|
|
}
|
|
break;
|
|
|
|
case JS_META_COMMAND:
|
|
{
|
|
// Execute JavaScript command
|
|
result = mozXMLTermUtils::ExecuteScript(domDoc,
|
|
commandArgs,
|
|
metaCommandOutput);
|
|
nsCAutoString cstrout;
|
|
if (NS_SUCCEEDED(result))
|
|
CopyUCS2toASCII(metaCommandOutput, cstrout);
|
|
else
|
|
cstrout = "Error in executing JavaScript command\n";
|
|
XMLT_LOG(mozXMLTermSession::ReadAll,63,
|
|
("JS output=%s\n", cstrout.get()));
|
|
|
|
}
|
|
break;
|
|
|
|
case TREE_META_COMMAND:
|
|
XMLT_WARNING("\nTraverseDOMTree: use arrow keys; A for attributes; H for HTML; Q to quit\n");
|
|
break;
|
|
|
|
case LS_META_COMMAND:
|
|
{
|
|
// Disable input echo and transmit command
|
|
lineTermAux->SetEchoFlag(PR_FALSE);
|
|
nsAutoString lsCommand;
|
|
lsCommand.SetLength(0);
|
|
|
|
if (!commandArgs.IsEmpty()) {
|
|
lsCommand.AppendLiteral("cd ");
|
|
lsCommand.Append(commandArgs);
|
|
lsCommand.AppendLiteral(";");
|
|
}
|
|
|
|
lsCommand.AppendLiteral("ls -dF `pwd`/*\n");
|
|
|
|
//mXMLTerminal->SendText(lsCommand);
|
|
|
|
/* Set flag to recognize transmitted command */
|
|
metaNextCommand = PR_TRUE;
|
|
mRestoreInputEcho = PR_TRUE;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if ((mMetaCommandType == DEFAULT_META_COMMAND) ||
|
|
(mMetaCommandType == JS_META_COMMAND)) {
|
|
// Display metacommand output
|
|
mEntryHasOutput = PR_TRUE;
|
|
|
|
XMLT_LOG(mozXMLTermSession::ReadAll,62,("metaCommandOutput\n"));
|
|
|
|
// Ignore the string "false", if that's the only output
|
|
if (metaCommandOutput.EqualsLiteral("false"))
|
|
metaCommandOutput.SetLength(0);
|
|
|
|
// Check metacommand output for markup (secure)
|
|
result = AutoDetectMarkup(metaCommandOutput, PR_TRUE, PR_TRUE);
|
|
if (NS_FAILED(result))
|
|
break;
|
|
|
|
nsAutoString nullStyle;
|
|
nullStyle.SetLength(0);
|
|
result = ProcessOutput(metaCommandOutput, nullStyle, PR_TRUE,
|
|
mOutputMarkupType != PLAIN_TEXT);
|
|
if (NS_FAILED(result))
|
|
break;
|
|
|
|
// Break metacommand output display
|
|
result = BreakOutput(PR_FALSE);
|
|
}
|
|
|
|
// Reset newline flag
|
|
newline = PR_FALSE;
|
|
}
|
|
|
|
// Clear the meta command from the string nuffer
|
|
bufString.SetLength(0);
|
|
bufStyle.SetLength(0);
|
|
}
|
|
|
|
if (promptLine) {
|
|
// Prompt line
|
|
if (mEntryHasOutput) {
|
|
// Break previous output display
|
|
result = BreakOutput(PR_FALSE);
|
|
|
|
// Create new entry block
|
|
result = NewEntry(promptStr);
|
|
if (NS_FAILED(result))
|
|
break;
|
|
|
|
if (mCurrentEntryNumber == mStartEntryNumber) {
|
|
// First entry; resize terminal
|
|
result = Resize(lineTermAux);
|
|
if (NS_FAILED(result))
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Display input and position cursor
|
|
PRInt32 cursorCol = 0;
|
|
result = lineTermAux->GetCursorColumn(&cursorCol);
|
|
|
|
// Remove prompt offset
|
|
cursorCol -= promptLength;
|
|
if (cursorCol < 0) cursorCol = 0;
|
|
|
|
XMLT_LOG(mozXMLTermSession::ReadAll,62,("cursorCol=%d\n", cursorCol));
|
|
|
|
result = DisplayInput(bufString, bufStyle, cursorCol);
|
|
if (NS_FAILED(result))
|
|
break;
|
|
|
|
if (newline) {
|
|
// Start of command output
|
|
// (this is needed to properly handle commands with no output!)
|
|
mEntryHasOutput = PR_TRUE;
|
|
mFirstOutputLine = PR_TRUE;
|
|
|
|
}
|
|
|
|
} else {
|
|
// Not prompt line
|
|
if (!mEntryHasOutput) {
|
|
// Start of command output
|
|
mEntryHasOutput = PR_TRUE;
|
|
mFirstOutputLine = PR_TRUE;
|
|
}
|
|
|
|
if (newline) {
|
|
// Complete line; check for markup (insecure)
|
|
result = AutoDetectMarkup(bufString, mFirstOutputLine, PR_FALSE);
|
|
if (NS_FAILED(result))
|
|
break;
|
|
|
|
// Not first output line anymore
|
|
mFirstOutputLine = PR_FALSE;
|
|
}
|
|
|
|
if (mOutputMarkupType == PLAIN_TEXT) {
|
|
// Display plain text output
|
|
result = ProcessOutput(bufString, bufStyle, newline, PR_FALSE);
|
|
if (NS_FAILED(result))
|
|
break;
|
|
|
|
} else if (newline) {
|
|
// Process autodetected stream output (complete lines only)
|
|
bufStyle.SetLength(0);
|
|
result = ProcessOutput(bufString, bufStyle, PR_TRUE, PR_TRUE);
|
|
if (NS_FAILED(result))
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (NS_FAILED(result)) {
|
|
// Error processing; close LineTerm
|
|
XMLT_LOG(mozXMLTermSession::ReadAll,62,
|
|
("Aborting on error, result=0x%x\n", result));
|
|
|
|
Abort(lineTermAux, abortCode);
|
|
return result;
|
|
}
|
|
|
|
if (flushOutput) {
|
|
// Flush output, splitting off incomplete line
|
|
FlushOutput(SPLIT_INCOMPLETE_FLUSH);
|
|
|
|
if (mEntryHasOutput)
|
|
PositionOutputCursor(lineTermAux);
|
|
|
|
nsCOMPtr<nsISelectionController> selCon;
|
|
result = mXMLTerminal->GetSelectionController(getter_AddRefs(selCon));
|
|
if (NS_FAILED(result) || !selCon)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
selCon->ScrollSelectionIntoView(nsISelectionController::SELECTION_NORMAL,
|
|
nsISelectionController::SELECTION_FOCUS_REGION,
|
|
PR_TRUE);
|
|
|
|
}
|
|
|
|
// Show caret
|
|
mXMLTerminal->ShowCaret();
|
|
|
|
// Scroll frame (ignore result)
|
|
ScrollToBottomLeft();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Exports HTML to file, with META REFRESH, if refreshSeconds is non-zero.
|
|
* Nothing is done if display has not changed since last export, unless
|
|
* forceExport is true. Returns true if export actually takes place.
|
|
* If filename is a null string, HTML is written to STDERR.
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::ExportHTML(const PRUnichar* aFilename,
|
|
PRInt32 permissions,
|
|
const PRUnichar* style,
|
|
PRUint32 refreshSeconds,
|
|
PRBool forceExport,
|
|
PRBool* exported)
|
|
{
|
|
nsresult result;
|
|
|
|
if (!aFilename || !exported)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
*exported = PR_FALSE;
|
|
|
|
if (forceExport)
|
|
mLastExportHTML.SetLength(0);
|
|
|
|
nsAutoString indentString; indentString.SetLength(0);
|
|
nsAutoString htmlString;
|
|
result = ToHTMLString(mBodyNode, indentString, htmlString,
|
|
PR_TRUE, PR_FALSE );
|
|
if (NS_FAILED(result))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
if (htmlString.Equals(mLastExportHTML))
|
|
return NS_OK;
|
|
|
|
mLastExportHTML.Assign( htmlString );
|
|
mCountExportHTML++;
|
|
|
|
nsAutoString filename( aFilename );
|
|
|
|
if (filename.IsEmpty()) {
|
|
// Write to STDERR
|
|
char* htmlCString = ToNewCString(htmlString);
|
|
fprintf(stderr, "mozXMLTermSession::ExportHTML:\n%s\n\n", htmlCString);
|
|
nsCRT::free(htmlCString);
|
|
|
|
*exported = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
|
|
// Copy HTML to local file
|
|
nsCOMPtr<nsILocalFile> localFile = do_CreateInstance( NS_LOCAL_FILE_CONTRACTID, &result);
|
|
if (NS_FAILED(result))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
XMLT_LOG(mozXMLTermSession::ExportHTML,0,
|
|
("Exporting %d\n", mCountExportHTML));
|
|
|
|
result = localFile->InitWithPath(filename);
|
|
if (NS_FAILED(result))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
PRInt32 ioFlags = PR_WRONLY | PR_CREATE_FILE | PR_TRUNCATE;
|
|
|
|
nsCOMPtr<nsIOutputStream> outStream;
|
|
result = NS_NewLocalFileOutputStream(getter_AddRefs(outStream),
|
|
localFile, ioFlags, permissions);
|
|
if (NS_FAILED(result))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
PRUint32 writeCount;
|
|
|
|
nsCAutoString cString( "<html>\n<head>\n" );
|
|
|
|
if (refreshSeconds > 0) {
|
|
cString.Append("<META HTTP-EQUIV='refresh' content='");
|
|
cString.AppendInt(refreshSeconds);
|
|
cString.Append("'>");
|
|
}
|
|
|
|
cString.Append("<title>xmlterm page</title>\n");
|
|
cString.Append("<link title='defaultstyle' rel='stylesheet' type='text/css' href='xmlt.css'>\n");
|
|
|
|
if (style) {
|
|
cString.Append("<style type='text/css'>\n");
|
|
AppendUTF16toUTF8(style, cString);
|
|
cString.Append("</style>\n");
|
|
}
|
|
|
|
cString.Append("<script language='JavaScript'>var exportCount=");
|
|
cString.AppendInt(mCountExportHTML);
|
|
cString.Append(";</script>\n");
|
|
cString.Append("<script language='JavaScript' src='xmlt.js'></script>\n</head>");
|
|
|
|
AppendUTF16toUTF8(htmlString, cString);
|
|
|
|
cString.Append("</html>\n");
|
|
|
|
result = outStream->Write(cString.get(), cString.Length(),
|
|
&writeCount);
|
|
if (NS_FAILED(result))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
result = outStream->Flush();
|
|
|
|
result = outStream->Close();
|
|
|
|
*exported = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Aborts session by closing LineTerm and displays an error message
|
|
* @param lineTermAux LineTermAux object to be closed
|
|
* @param abortCode abort code string to dbe displayed
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::Abort(mozILineTermAux* lineTermAux,
|
|
nsString& abortCode)
|
|
{
|
|
nsresult result;
|
|
|
|
XMLT_LOG(mozXMLTermSession::Abort,70,
|
|
("Aborting session; closing LineTerm\n"));
|
|
|
|
// Close LineTerm
|
|
lineTermAux->CloseAux();
|
|
|
|
// Display error message using DIV node
|
|
nsCOMPtr<nsIDOMNode> divNode, textNode;
|
|
nsAutoString tagName(NS_LITERAL_STRING("div"));
|
|
nsAutoString elementName(NS_LITERAL_STRING("errmsg"));
|
|
result = NewElementWithText(tagName, elementName, -1,
|
|
mSessionNode, divNode, textNode);
|
|
|
|
if (NS_SUCCEEDED(result) && divNode && textNode) {
|
|
nsAutoString errMsg(NS_LITERAL_STRING("Error in XMLterm (code "));
|
|
errMsg.Append(abortCode);
|
|
errMsg.Append(NS_LITERAL_STRING("); session closed."));
|
|
SetDOMText(textNode, errMsg);
|
|
|
|
// Collapse selection and position cursor
|
|
nsCOMPtr<nsISelectionController> selCon;
|
|
result = mXMLTerminal->GetSelectionController(getter_AddRefs(selCon));
|
|
if (NS_FAILED(result) || !selCon)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsISelection> selection;
|
|
result = selCon->GetSelection(nsISelectionController::SELECTION_NORMAL,
|
|
getter_AddRefs(selection));
|
|
if (NS_SUCCEEDED(result) && selection) {
|
|
selection->Collapse(textNode, errMsg.Length());
|
|
if (NS_SUCCEEDED(result)) {
|
|
selCon->ScrollSelectionIntoView(nsISelectionController::SELECTION_NORMAL,
|
|
nsISelectionController::SELECTION_FOCUS_REGION,
|
|
PR_TRUE);
|
|
}
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Displays ("echoes") input text string with style and positions cursor
|
|
* @param aString string to be displayed
|
|
* @param aStyle style values for string (see lineterm.h)
|
|
* @param cursorCol cursor column
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::DisplayInput(const nsString& aString,
|
|
const nsString& aStyle,
|
|
PRInt32 cursorCol)
|
|
{
|
|
nsresult result;
|
|
|
|
XMLT_LOG(mozXMLTermSession::DisplayInput,70,("cursorCol=%d\n", cursorCol));
|
|
|
|
// If string terminates in whitespace, append NBSP for cursor positioning
|
|
nsAutoString tempString( aString );
|
|
if (!aString.IsEmpty() && aString.Last() == PRUnichar(' '))
|
|
tempString += kNBSP;
|
|
|
|
// Display string
|
|
result = SetDOMText(mInputTextNode, tempString);
|
|
|
|
if (NS_FAILED(result))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
char* temCString = ToNewCString(aString);
|
|
XMLT_LOG(mozXMLTermSession::DisplayInput,72,
|
|
("aString=%s\n", temCString));
|
|
nsCRT::free(temCString);
|
|
|
|
// Collapse selection and position cursor
|
|
nsCOMPtr<nsISelectionController> selCon;
|
|
result = mXMLTerminal->GetSelectionController(getter_AddRefs(selCon));
|
|
if (NS_FAILED(result) || !selCon)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsISelection> selection;
|
|
|
|
result = selCon->GetSelection(nsISelectionController::SELECTION_NORMAL,
|
|
getter_AddRefs(selection));
|
|
if (NS_FAILED(result) || !selection)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
#ifdef NO_WORKAROUND
|
|
// Collapse selection to new cursor location
|
|
result = selection->Collapse(mInputTextNode, cursorCol);
|
|
#else
|
|
// WORKAROUND for cursor positioning at end of prompt
|
|
// Without this workaround, the cursor is positioned too close to the prompt
|
|
// (i.e., too far to the left, ignoring the prompt whitespace)
|
|
|
|
if ((cursorCol > 0) || !mPromptHTML.IsEmpty()) {
|
|
// Collapse selection to new cursor location
|
|
result = selection->Collapse(mInputTextNode, cursorCol);
|
|
|
|
} else {
|
|
// Get the last bit of text in the prompt
|
|
nsCOMPtr<nsIDOMText> domText (do_QueryInterface(mPromptTextNode));
|
|
|
|
if (domText) {
|
|
PRUint32 textLength;
|
|
result = domText->GetLength(&textLength);
|
|
if (NS_SUCCEEDED(result)) {
|
|
XMLT_LOG(mozXMLTermSession::DisplayInput,72,
|
|
("textLength=%d\n", textLength));
|
|
result = selection->Collapse(mPromptTextNode, textLength);
|
|
}
|
|
}
|
|
}
|
|
#endif // !NO_WORKAROUND
|
|
|
|
NS_ASSERTION((NS_SUCCEEDED(result)),
|
|
"selection could not be collapsed after insert.");
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Autodetects markup in current output line
|
|
* @param aString string to be displayed
|
|
* @param firstOutputLine PR_TRUE if this is the first output line
|
|
* @param secure PR_TRUE if output data is secure
|
|
* (usually PR_TRUE for metacommand output only)
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::AutoDetectMarkup(const nsString& aString,
|
|
PRBool firstOutputLine,
|
|
PRBool secure)
|
|
{
|
|
nsresult result;
|
|
|
|
XMLT_LOG(mozXMLTermSession::AutoDetectMarkup,70,("firstOutputLine=0x%x\n",
|
|
firstOutputLine));
|
|
|
|
// If autodetect disabled or not plain text, do nothing
|
|
if ((mAutoDetect == NO_MARKUP) ||
|
|
((mAutoDetect == FIRST_LINE) && !firstOutputLine) ||
|
|
(mOutputMarkupType != PLAIN_TEXT))
|
|
return NS_OK;
|
|
|
|
OutputMarkupType newMarkupType = PLAIN_TEXT;
|
|
|
|
// Copy string and trim leading spaces/backspaces/tabs
|
|
nsAutoString str(aString);
|
|
|
|
str.Trim(kWhitespace, PR_TRUE, PR_FALSE);
|
|
|
|
if (str.First() == U_LESSTHAN) {
|
|
// Markup tag detected
|
|
str.CompressWhitespace();
|
|
str.AppendLiteral(" ");
|
|
|
|
if ( (str.Find("<!DOCTYPE HTML",PR_TRUE) == 0) ||
|
|
(str.Find("<BASE ",PR_TRUE) == 0) ||
|
|
(str.Find("<HTML>",PR_TRUE) == 0) ) {
|
|
// HTML document
|
|
newMarkupType = HTML_DOCUMENT;
|
|
|
|
} else if (str.Find("<?xml ",PR_FALSE) == 0) {
|
|
// XML document
|
|
newMarkupType = XML_DOCUMENT;
|
|
|
|
} else {
|
|
// HTML fragment
|
|
if (secure) {
|
|
// Secure HTML fragment
|
|
newMarkupType = HTML_FRAGMENT;
|
|
} else {
|
|
// Insecure; treat as text fragment for security reasons
|
|
newMarkupType = TEXT_FRAGMENT;
|
|
}
|
|
}
|
|
|
|
|
|
} else if (firstOutputLine && str.Find("Content-Type",PR_TRUE) == 0) {
|
|
// Possible MIME content type header
|
|
str.StripWhitespace();
|
|
if (str.Find("Content-Type:text/html",PR_TRUE) == 0) {
|
|
// MIME content type header for HTML document
|
|
newMarkupType = HTML_DOCUMENT;
|
|
}
|
|
}
|
|
|
|
if (newMarkupType != PLAIN_TEXT) {
|
|
// Markup found; initialize (insecure) stream
|
|
nsAutoString streamURL(NS_LITERAL_STRING("http://in.sec.ure"));
|
|
result = InitStream(streamURL, newMarkupType, PR_FALSE);
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
|
|
} else {
|
|
// No markup found; assume rest of output is plain text
|
|
mOutputMarkupType = PLAIN_TEXT;
|
|
}
|
|
|
|
XMLT_LOG(mozXMLTermSession::AutoDetectMarkup,71,("mOutputMarkupType=%d\n",
|
|
mOutputMarkupType));
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Initializes display of stream output with specified markup type
|
|
* @param streamURL effective URL of stream output
|
|
* @param streamMarkupType stream markup type
|
|
* @param streamIsSecure PR_TRUE if stream is secure
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::InitStream(const nsString& streamURL,
|
|
OutputMarkupType streamMarkupType,
|
|
PRBool streamIsSecure)
|
|
{
|
|
nsresult result;
|
|
|
|
XMLT_LOG(mozXMLTermSession::InitStream,70,("streamMarkupType=%d\n",
|
|
streamMarkupType));
|
|
|
|
// Break previous output display
|
|
result = BreakOutput(PR_FALSE);
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
|
|
if ((streamMarkupType == TEXT_FRAGMENT) ||
|
|
(streamMarkupType == JS_FRAGMENT) ||
|
|
(streamMarkupType == HTML_FRAGMENT) ||
|
|
(streamMarkupType == INSECURE_FRAGMENT) ||
|
|
(streamMarkupType == OVERFLOW_FRAGMENT) ||
|
|
(streamMarkupType == INCOMPLETE_FRAGMENT)) {
|
|
// Initialize fragment buffer
|
|
mFragmentBuffer.SetLength(0);
|
|
|
|
} else {
|
|
// Create IFRAME to display stream document
|
|
nsAutoString src(NS_LITERAL_STRING("about:blank"));
|
|
nsAutoString width(NS_LITERAL_STRING("100%"));
|
|
nsAutoString height(NS_LITERAL_STRING("10"));
|
|
PRInt32 frameBorder = 0;
|
|
|
|
if (!streamIsSecure)
|
|
frameBorder = 2;
|
|
|
|
result = NewIFrame(mOutputBlockNode, mCurrentEntryNumber,
|
|
frameBorder, src, width, height);
|
|
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
|
|
mXMLTermStream = do_CreateInstance( MOZXMLTERMSTREAM_CONTRACTID,
|
|
&result);
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
|
|
|
|
nsCOMPtr<nsIDocShell> docShell;
|
|
result = mXMLTerminal->GetDocShell(getter_AddRefs(docShell));
|
|
if (NS_FAILED(result) || !docShell)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIDOMWindowInternal> outerDOMWindow;
|
|
result = mozXMLTermUtils::ConvertDocShellToDOMWindow(docShell,
|
|
getter_AddRefs(outerDOMWindow));
|
|
|
|
if (NS_FAILED(result) || !outerDOMWindow) {
|
|
XMLT_ERROR("mozXMLTermSession::InitStream: Failed to convert webshell\n");
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// Initialize markup handling
|
|
nsCAutoString iframeName("iframe");
|
|
#if 0
|
|
iframeName.Append("t");
|
|
#else
|
|
iframeName.AppendInt(mCurrentEntryNumber,10);
|
|
#endif
|
|
|
|
nsCAutoString contentType;
|
|
switch (streamMarkupType) {
|
|
|
|
case HTML_DOCUMENT:
|
|
contentType = "text/html";
|
|
break;
|
|
|
|
case XML_DOCUMENT:
|
|
contentType = "application/xml";
|
|
break;
|
|
|
|
default:
|
|
PR_ASSERT(0);
|
|
break;
|
|
}
|
|
|
|
NS_ConvertUTF16toUTF8 url(streamURL);
|
|
result = mXMLTermStream->Open(outerDOMWindow, iframeName.get(),
|
|
url.get(),
|
|
contentType.get(), 800);
|
|
if (NS_FAILED(result)) {
|
|
XMLT_ERROR("mozXMLTermSession::InitStream: Failed to open stream\n");
|
|
return result;
|
|
}
|
|
|
|
}
|
|
|
|
mOutputMarkupType = streamMarkupType;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Breaks output display by flushing and deleting incomplete lines */
|
|
NS_IMETHODIMP mozXMLTermSession::BreakOutput(PRBool positionCursorBelow)
|
|
{
|
|
nsresult result;
|
|
|
|
XMLT_LOG(mozXMLTermSession::BreakOutput,70,
|
|
("positionCursorBelow=%x, mOutputMarkupType=%d\n",
|
|
positionCursorBelow, mOutputMarkupType));
|
|
|
|
if (!mEntryHasOutput)
|
|
return NS_OK;
|
|
|
|
nsCOMPtr<nsIDOMDocument> domDoc;
|
|
result = mXMLTerminal->GetDOMDocument(getter_AddRefs(domDoc));
|
|
if (NS_FAILED(result) || !domDoc)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
switch (mOutputMarkupType) {
|
|
|
|
case INSECURE_FRAGMENT:
|
|
case OVERFLOW_FRAGMENT:
|
|
case INCOMPLETE_FRAGMENT:
|
|
case TEXT_FRAGMENT:
|
|
{
|
|
// Display text fragment using new SPAN node
|
|
nsCOMPtr<nsIDOMNode> spanNode, textNode;
|
|
nsAutoString tagName(NS_LITERAL_STRING("span"));
|
|
nsAutoString elementName(NS_LITERAL_STRING("stream"));
|
|
result = NewElementWithText(tagName, elementName, -1,
|
|
mOutputBlockNode, spanNode, textNode);
|
|
|
|
if (NS_FAILED(result) || !spanNode || !textNode)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Append node
|
|
nsCOMPtr<nsIDOMNode> resultNode;
|
|
result = mOutputBlockNode->AppendChild(spanNode,
|
|
getter_AddRefs(resultNode));
|
|
|
|
// Handle stream output error messages
|
|
switch (mOutputMarkupType) {
|
|
case INSECURE_FRAGMENT:
|
|
mFragmentBuffer.AssignLiteral("XMLTerm: *Error* Insecure stream data; is LTERM_COOKIE set?");
|
|
break;
|
|
|
|
case INCOMPLETE_FRAGMENT:
|
|
mFragmentBuffer.AssignLiteral("XMLTerm: *Error* Incomplete stream data");
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
// Display text
|
|
result = SetDOMText(textNode, mFragmentBuffer);
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
|
|
mFragmentBuffer.SetLength(0);
|
|
break;
|
|
}
|
|
|
|
case JS_FRAGMENT:
|
|
{
|
|
// Execute JS fragment
|
|
nsAutoString jsOutput;
|
|
jsOutput.SetLength(0);
|
|
result = mozXMLTermUtils::ExecuteScript(domDoc,
|
|
mFragmentBuffer,
|
|
jsOutput);
|
|
if (NS_FAILED(result))
|
|
jsOutput.AssignLiteral("Error in JavaScript execution\n");
|
|
|
|
mFragmentBuffer.SetLength(0);
|
|
|
|
if (!jsOutput.IsEmpty()) {
|
|
// Display JS output as HTML fragment
|
|
result = InsertFragment(jsOutput, mOutputBlockNode,
|
|
mCurrentEntryNumber);
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
}
|
|
}
|
|
|
|
break;
|
|
|
|
case HTML_FRAGMENT:
|
|
// Display HTML fragment
|
|
result = InsertFragment(mFragmentBuffer, mOutputBlockNode,
|
|
mCurrentEntryNumber);
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
|
|
mFragmentBuffer.SetLength(0);
|
|
break;
|
|
|
|
case HTML_DOCUMENT:
|
|
case XML_DOCUMENT:
|
|
// Close HTML/XML document
|
|
result = mXMLTermStream->Close();
|
|
if (NS_FAILED(result)) {
|
|
XMLT_ERROR("mozXMLTermSession::BreakOutput: Failed to close stream\n");
|
|
return result;
|
|
}
|
|
mXMLTermStream = nsnull;
|
|
break;
|
|
|
|
default:
|
|
// Flush plain text output, clearing any incomplete input line
|
|
result = FlushOutput(CLEAR_INCOMPLETE_FLUSH);
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
|
|
mPreTextBufferLines = 0;
|
|
mPreTextBuffered.SetLength(0);
|
|
mPreTextDisplayed.SetLength(0);
|
|
mOutputDisplayNode = nsnull;
|
|
mOutputDisplayType = NO_NODE;
|
|
mOutputTextNode = nsnull;
|
|
break;
|
|
}
|
|
|
|
// Revert to plain text type
|
|
mOutputMarkupType = PLAIN_TEXT;
|
|
|
|
if (positionCursorBelow) {
|
|
PositionOutputCursor(nsnull);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Processes output string with specified style
|
|
* @param aString string to be processed
|
|
* @param aStyle style values for string (see lineterm.h)
|
|
* (if it is a null string, STDOUT style is assumed)
|
|
* @param newline PR_TRUE if this is a complete line of output
|
|
* @param streamOutput PR_TRUE if string represents stream output
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::ProcessOutput(const nsString& aString,
|
|
const nsString& aStyle,
|
|
PRBool newline,
|
|
PRBool streamOutput)
|
|
{
|
|
nsresult result;
|
|
|
|
XMLT_LOG(mozXMLTermSession::ProcessOutput,70,
|
|
("newline=%d, streamOutput=%d\n", newline, streamOutput));
|
|
|
|
if ((mMetaCommandType == LS_META_COMMAND) && newline) {
|
|
// Display hypertext directory listing
|
|
result = AppendLineLS(aString, aStyle);
|
|
if (NS_FAILED(result))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
return NS_OK;
|
|
|
|
} else {
|
|
// Not LS meta command
|
|
|
|
switch (mOutputMarkupType) {
|
|
|
|
case INSECURE_FRAGMENT:
|
|
case OVERFLOW_FRAGMENT:
|
|
case INCOMPLETE_FRAGMENT:
|
|
// Do nothing
|
|
break;
|
|
|
|
case TEXT_FRAGMENT:
|
|
case JS_FRAGMENT:
|
|
case HTML_FRAGMENT:
|
|
// Append complete lines to fragment buffer
|
|
if (newline || streamOutput) {
|
|
PRInt32 strLen = mFragmentBuffer.Length()+aString.Length();
|
|
|
|
if (strLen < 100000) {
|
|
mFragmentBuffer += aString;
|
|
if (newline)
|
|
mFragmentBuffer += PRUnichar('\n');
|
|
|
|
} else {
|
|
mOutputMarkupType = OVERFLOW_FRAGMENT;
|
|
mFragmentBuffer.AssignLiteral("XMLTerm: *Error* Stream data overflow (");
|
|
mFragmentBuffer.AppendInt(strLen,10);
|
|
mFragmentBuffer.Append(NS_LITERAL_STRING(" chars)"));
|
|
break;
|
|
|
|
}
|
|
}
|
|
|
|
break;
|
|
|
|
case HTML_DOCUMENT:
|
|
case XML_DOCUMENT:
|
|
// Write complete lines to document stream
|
|
|
|
if (newline || streamOutput) {
|
|
nsAutoString str(aString);
|
|
if (newline)
|
|
str.AppendLiteral("\n");
|
|
|
|
result = mXMLTermStream->Write(str.get());
|
|
if (NS_FAILED(result)) {
|
|
XMLT_ERROR("mozXMLTermSession::ProcessOutput: Failed to write to stream\n");
|
|
return result;
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
// Display plain text output, complete or incomplete lines
|
|
PR_ASSERT(!streamOutput);
|
|
result = AppendOutput(aString, aStyle, newline);
|
|
if (NS_FAILED(result))
|
|
return NS_ERROR_FAILURE;
|
|
break;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
|
|
/** Ensures the total number of output lines stays within a limit
|
|
* by deleting the oldest output line.
|
|
* @param deleteAllOld if PR_TRUE, delete all previous display nodes
|
|
* (excluding the current one)
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::LimitOutputLines(PRBool deleteAllOld)
|
|
{
|
|
nsresult result;
|
|
nsAutoString attValue;
|
|
|
|
XMLT_LOG(mozXMLTermSession::LimitOutputLines,70,
|
|
("deleteAllOld=%d, mEntryOutputLines=%d\n",
|
|
deleteAllOld, mEntryOutputLines));
|
|
|
|
nsCOMPtr<nsIDOMNode> firstChild;
|
|
result = mOutputBlockNode->GetFirstChild(getter_AddRefs(firstChild));
|
|
if (NS_FAILED(result) || !firstChild)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
attValue.SetLength(0);
|
|
result = mozXMLTermUtils::GetNodeAttribute(firstChild, "class", attValue);
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
|
|
if (!attValue.EqualsASCII(sessionElementNames[WARNING_ELEMENT])) {
|
|
// Create warning message element
|
|
nsCOMPtr<nsIDOMNode> divNode, textNode;
|
|
nsAutoString tagName(NS_LITERAL_STRING("div"));
|
|
nsAutoString elementName; elementName.AssignASCII(sessionElementNames[WARNING_ELEMENT]);
|
|
result = NewElementWithText(tagName, elementName, -1,
|
|
mOutputBlockNode, divNode, textNode,
|
|
firstChild);
|
|
if (NS_FAILED(result) || !divNode || !textNode)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
firstChild = divNode;
|
|
|
|
nsAutoString warningMsg;
|
|
warningMsg.AssignLiteral("XMLTerm: *WARNING* Command output truncated to ");
|
|
warningMsg.AppendInt(300,10);
|
|
warningMsg.AppendLiteral(" lines");
|
|
result = SetDOMText(textNode, warningMsg);
|
|
}
|
|
|
|
PR_ASSERT(mOutputDisplayNode != firstChild);
|
|
|
|
nsCOMPtr<nsIDOMNode> nextChild;
|
|
|
|
PRInt32 decrementedLineCount = 0;
|
|
|
|
for (;;) {
|
|
result = firstChild->GetNextSibling(getter_AddRefs(nextChild));
|
|
PR_ASSERT(NS_SUCCEEDED(result) && nextChild);
|
|
|
|
// Do not modify current display node
|
|
if (nextChild.get() == mOutputDisplayNode.get())
|
|
break;
|
|
|
|
PRInt32 deleteNode = 0;
|
|
|
|
if (deleteAllOld) {
|
|
deleteNode = 1;
|
|
|
|
} else {
|
|
attValue.SetLength(0);
|
|
result = mozXMLTermUtils::GetNodeAttribute(nextChild, "class", attValue);
|
|
|
|
if (NS_FAILED(result) || attValue.IsEmpty()) {
|
|
deleteNode = 1;
|
|
|
|
} else {
|
|
|
|
if (attValue.EqualsASCII(sessionElementNames[MIXED_ELEMENT])) {
|
|
// Delete single line containing mixed style output
|
|
deleteNode = 1;
|
|
decrementedLineCount = 1;
|
|
|
|
XMLT_LOG(mozXMLTermSession::LimitOutputLines,79,
|
|
("deleted mixed line\n"));
|
|
|
|
} else if ( (attValue.EqualsASCII(sessionElementNames[STDIN_ELEMENT])) ||
|
|
(attValue.EqualsASCII(sessionElementNames[STDOUT_ELEMENT])) ||
|
|
(attValue.EqualsASCII(sessionElementNames[STDERR_ELEMENT]))) {
|
|
// Delete first line from STDIN/STDOUT/STDERR PRE output
|
|
|
|
nsCOMPtr<nsIDOMNode> textNode;
|
|
result = nextChild->GetFirstChild(getter_AddRefs(textNode));
|
|
PR_ASSERT( NS_SUCCEEDED(result) && textNode);
|
|
|
|
nsCOMPtr<nsIDOMText> domText (do_QueryInterface(textNode));
|
|
PR_ASSERT(domText);
|
|
|
|
// Delete first line from text
|
|
nsAutoString text;
|
|
domText->GetData(text);
|
|
|
|
PRInt32 offset = text.FindChar((PRUnichar) U_LINEFEED);
|
|
|
|
if (offset < 0) {
|
|
deleteNode = 1;
|
|
} else {
|
|
text.Cut(0,offset+1);
|
|
domText->SetData(text);
|
|
}
|
|
decrementedLineCount = 1;
|
|
|
|
XMLT_LOG(mozXMLTermSession::LimitOutputLines,79,
|
|
("deleted PRE line\n"));
|
|
|
|
} else {
|
|
// Unknown type of DOM element, delete
|
|
deleteNode = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (deleteNode) {
|
|
// Delete next child node
|
|
nsCOMPtr<nsIDOMNode> resultNode;
|
|
result = mOutputBlockNode->RemoveChild(nextChild,
|
|
getter_AddRefs(resultNode));
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
}
|
|
|
|
if (decrementedLineCount || !deleteNode)
|
|
break;
|
|
}
|
|
|
|
if (deleteAllOld) {
|
|
mEntryOutputLines = 0;
|
|
return NS_OK;
|
|
|
|
} else if (decrementedLineCount) {
|
|
mEntryOutputLines--;
|
|
return NS_OK;
|
|
|
|
} else {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
}
|
|
|
|
|
|
/** Appends text string to output buffer
|
|
* (appended text may need to be flushed for it to be actually displayed)
|
|
* @param aString string to be processed (may be null string, for dummy line)
|
|
* @param aStyle style values for string (see lineterm.h)
|
|
* (may be a single Unichar, for uniform style)
|
|
* (if it is a null string, STDOUT style is assumed)
|
|
* @param newline PR_TRUE if this is a complete line of output
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::AppendOutput(const nsString& aString,
|
|
const nsString& aStyle,
|
|
PRBool newline)
|
|
{
|
|
nsresult result;
|
|
|
|
const PRInt32 strLength = aString.Length();
|
|
const PRInt32 styleLength = aStyle.Length();
|
|
const PRUnichar *strStyle = aStyle.get();
|
|
|
|
XMLT_LOG(mozXMLTermSession::AppendOutput,70,("strLength=%d\n", strLength));
|
|
|
|
// Check if line has uniform style
|
|
PRUnichar uniformStyle = LTERM_STDOUT_STYLE;
|
|
PRInt32 styleChanges = 0;
|
|
|
|
if (styleLength > 0) {
|
|
PRInt32 j;
|
|
uniformStyle = strStyle[0];
|
|
|
|
PR_ASSERT((styleLength == 1) || (styleLength == strLength));
|
|
for (j=1; j<styleLength; j++) {
|
|
if (strStyle[j] != strStyle[j-1]) {
|
|
uniformStyle = 0;
|
|
styleChanges++;
|
|
}
|
|
}
|
|
}
|
|
|
|
XMLT_LOG(mozXMLTermSession::AppendOutput,72,
|
|
("mOutputDisplayType=%d, uniformStyle=0x%x, newline=%d\n",
|
|
mOutputDisplayType, uniformStyle, newline));
|
|
|
|
char* temCString = ToNewCString(aString);
|
|
XMLT_LOG(mozXMLTermSession::AppendOutput,72,
|
|
("aString=%s\n", temCString));
|
|
nsCRT::free(temCString);
|
|
|
|
#ifdef NO_WORKAROUND
|
|
// Do not use PRE text
|
|
if (0) {
|
|
#else
|
|
if (uniformStyle != 0) {
|
|
#endif
|
|
// Uniform style data; display as preformatted block
|
|
OutputDisplayType preDisplayType;
|
|
nsAutoString elementName;
|
|
elementName.SetLength(0);
|
|
|
|
if (uniformStyle == LTERM_STDIN_STYLE) {
|
|
preDisplayType = PRE_STDIN_NODE;
|
|
elementName.AssignASCII(sessionElementNames[STDIN_ELEMENT]);
|
|
XMLT_LOG(mozXMLTermSession::AppendOutput,72, ("PRE_STDIN_NODE\n"));
|
|
|
|
} else if (uniformStyle == LTERM_STDERR_STYLE) {
|
|
preDisplayType = PRE_STDERR_NODE;
|
|
elementName.AssignASCII(sessionElementNames[STDERR_ELEMENT]);
|
|
XMLT_LOG(mozXMLTermSession::AppendOutput,72, ("PRE_STDERR_NODE\n"));
|
|
|
|
} else {
|
|
preDisplayType = PRE_STDOUT_NODE;
|
|
elementName.AssignASCII(sessionElementNames[STDOUT_ELEMENT]);
|
|
XMLT_LOG(mozXMLTermSession::AppendOutput,72, ("PRE_STDOUT_NODE\n"));
|
|
}
|
|
|
|
if (mOutputDisplayType != preDisplayType) {
|
|
// Flush incomplete line
|
|
result = FlushOutput(CLEAR_INCOMPLETE_FLUSH);
|
|
|
|
// Create PRE display node
|
|
nsCOMPtr<nsIDOMNode> preNode, textNode;
|
|
nsAutoString tagName(NS_LITERAL_STRING("pre"));
|
|
|
|
result = NewElementWithText(tagName, elementName, -1,
|
|
mOutputBlockNode, preNode, textNode);
|
|
|
|
if (NS_FAILED(result) || !preNode || !textNode)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
XMLT_LOG(mozXMLTermSession::AppendOutput,72,
|
|
("Creating new PRE node\n"));
|
|
|
|
// Append node
|
|
nsCOMPtr<nsIDOMNode> resultNode;
|
|
result = mOutputBlockNode->AppendChild(preNode,
|
|
getter_AddRefs(resultNode));
|
|
|
|
mOutputDisplayType = preDisplayType;
|
|
mOutputDisplayNode = preNode;
|
|
mOutputTextNode = textNode;
|
|
mOutputTextOffset = 0;
|
|
|
|
// If string terminates in whitespace, append NBSP for cursor positioning
|
|
nsAutoString tempString( aString );
|
|
if (newline || (aString.Last() == PRUnichar(' ')))
|
|
tempString += kNBSP;
|
|
|
|
// Display incomplete line
|
|
result = SetDOMText(mOutputTextNode, tempString);
|
|
if (NS_FAILED(result))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Initialize PRE text string buffers
|
|
mPreTextDisplayed = aString;
|
|
mPreTextBuffered.SetLength(0);
|
|
mPreTextBufferLines = 0;
|
|
}
|
|
|
|
// Save incomplete line
|
|
mPreTextIncomplete = aString;
|
|
|
|
if (newline) {
|
|
// Complete line; append to buffer
|
|
if (mPreTextBufferLines > 0) {
|
|
mPreTextBuffered += PRUnichar('\n');
|
|
}
|
|
mPreTextBufferLines++;
|
|
mPreTextBuffered += mPreTextIncomplete;
|
|
mPreTextIncomplete.SetLength(0);
|
|
|
|
if (mPreTextBufferLines > 300) {
|
|
// Delete all earlier PRE/mixed blocks and first line of current block
|
|
|
|
result = LimitOutputLines(PR_TRUE);
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
|
|
// Delete first line from PRE text buffer
|
|
PRInt32 offset = mPreTextBuffered.FindChar((PRUnichar) U_LINEFEED);
|
|
if (offset < 0) {
|
|
mPreTextBuffered.SetLength(0);
|
|
} else {
|
|
mPreTextBuffered.Cut(0,offset+1);
|
|
}
|
|
|
|
mPreTextBufferLines--;
|
|
|
|
} else if (mEntryOutputLines+mPreTextBufferLines > 300) {
|
|
// Delete oldest PRE/mixed line so as to stay within the limit
|
|
|
|
result = LimitOutputLines(PR_FALSE);
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
}
|
|
}
|
|
|
|
XMLT_LOG(mozXMLTermSession::AppendOutput,72,
|
|
("mPreTextDisplayed.Length()=%d, mPreTextBufferLines()=%d\n",
|
|
mPreTextDisplayed.Length(), mPreTextBufferLines));
|
|
|
|
} else {
|
|
// Create uniform style DIV display node
|
|
|
|
XMLT_LOG(mozXMLTermSession::AppendOutput,72,("DIV_MIXED_NODE\n"));
|
|
|
|
// Flush buffer, clearing incomplete line
|
|
result = FlushOutput(CLEAR_INCOMPLETE_FLUSH);
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
|
|
// Create new DIV node
|
|
nsAutoString elementName; elementName.AssignASCII(sessionElementNames[MIXED_ELEMENT]);
|
|
nsCOMPtr<nsIDOMNode> divNode;
|
|
nsAutoString tagName(NS_LITERAL_STRING("div"));
|
|
result = NewElement(tagName, elementName, -1,
|
|
mOutputBlockNode, divNode);
|
|
|
|
if (NS_FAILED(result) || !divNode)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Append node
|
|
nsCOMPtr<nsIDOMNode> resultNode;
|
|
result = mOutputBlockNode->AppendChild(divNode,
|
|
getter_AddRefs(resultNode));
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
|
|
nsCOMPtr<nsIDOMNode> spanNode, textNode;
|
|
nsAutoString subString;
|
|
PRInt32 k;
|
|
PRInt32 passwordPrompt = 0;
|
|
PRUnichar currentStyle = LTERM_STDOUT_STYLE;
|
|
if (styleLength > 0)
|
|
currentStyle = strStyle[0];
|
|
|
|
mOutputTextOffset = 0;
|
|
tagName.AssignLiteral("pre");
|
|
|
|
PR_ASSERT(strLength > 0);
|
|
|
|
for (k=1; k<strLength+1; k++) {
|
|
if ((k == strLength) || ((k < styleLength) &&
|
|
(strStyle[k] != currentStyle)) ) {
|
|
// Change of style or end of string
|
|
switch (currentStyle) {
|
|
case LTERM_STDIN_STYLE:
|
|
elementName.AssignASCII(sessionElementNames[STDIN_ELEMENT]);
|
|
break;
|
|
case LTERM_STDERR_STYLE:
|
|
elementName.AssignASCII(sessionElementNames[STDERR_ELEMENT]);
|
|
break;
|
|
default:
|
|
elementName.AssignASCII(sessionElementNames[STDOUT_ELEMENT]);
|
|
break;
|
|
}
|
|
|
|
result = NewElementWithText(tagName, elementName, -1,
|
|
divNode, spanNode, textNode);
|
|
|
|
if (NS_FAILED(result) || !spanNode || !textNode)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
aString.Mid(subString, mOutputTextOffset, k-mOutputTextOffset);
|
|
result = SetDOMText(textNode, subString);
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
|
|
if (k < styleLength) {
|
|
// Change style
|
|
PRInt32 strLen = subString.Length();
|
|
if ((styleChanges == 1) &&
|
|
(currentStyle == LTERM_STDOUT_STYLE) &&
|
|
(strStyle[k] == LTERM_STDIN_STYLE) &&
|
|
( ((strLen-10) == subString.RFind("password: ",PR_TRUE)) ||
|
|
((strLen-9) == subString.RFind("password:",PR_TRUE))) ) {
|
|
// Password prompt detected; break loop
|
|
passwordPrompt = 1;
|
|
break;
|
|
}
|
|
|
|
currentStyle = strStyle[k];
|
|
mOutputTextOffset = k;
|
|
}
|
|
}
|
|
}
|
|
|
|
mOutputDisplayType = DIV_MIXED_NODE;
|
|
mOutputDisplayNode = divNode;
|
|
mOutputTextNode = textNode;
|
|
|
|
if (newline) {
|
|
// Increment total output line count for entry
|
|
mEntryOutputLines++;
|
|
|
|
if (mEntryOutputLines > 300) {
|
|
// Delete oldest PRE/mixed line so as to stay within the limit
|
|
result = LimitOutputLines(PR_FALSE);
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
}
|
|
|
|
if (passwordPrompt) {
|
|
result = mOutputBlockNode->RemoveChild(mOutputDisplayNode,
|
|
getter_AddRefs(resultNode));
|
|
}
|
|
mOutputDisplayType = NO_NODE;
|
|
mOutputDisplayNode = nsnull;
|
|
mOutputTextNode = nsnull;
|
|
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Adds markup to LS output (TEMPORARY)
|
|
* @param aString string to be processed
|
|
* @param aStyle style values for string (see lineterm.h)
|
|
* (if it is a null string, STDOUT style is assumed)
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::AppendLineLS(const nsString& aString,
|
|
const nsString& aStyle)
|
|
{
|
|
nsresult result;
|
|
|
|
const PRInt32 strLength = aString.Length();
|
|
const PRInt32 styleLength = aStyle.Length();
|
|
const PRUnichar *strStyle = aStyle.get();
|
|
|
|
// Check if line has uniform style
|
|
PRUnichar allStyles = LTERM_STDOUT_STYLE;
|
|
PRUnichar uniformStyle = LTERM_STDOUT_STYLE;
|
|
|
|
if (styleLength > 0) {
|
|
PRInt32 j;
|
|
allStyles = strStyle[0];
|
|
uniformStyle = strStyle[0];
|
|
|
|
for (j=1; j<strLength; j++) {
|
|
allStyles |= strStyle[j];
|
|
if (strStyle[j] != strStyle[0]) {
|
|
uniformStyle = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
XMLT_LOG(mozXMLTermSession::AppendLineLS,60,
|
|
("mOutputDisplayType=%d, uniformStyle=0x%x\n",
|
|
mOutputDisplayType, uniformStyle));
|
|
|
|
if (uniformStyle != LTERM_STDOUT_STYLE) {
|
|
return AppendOutput(aString, aStyle, PR_TRUE);
|
|
}
|
|
|
|
char* temCString = ToNewCString(aString);
|
|
XMLT_LOG(mozXMLTermSession::AppendLineLS,62,("aString=%s\n", temCString));
|
|
nsCRT::free(temCString);
|
|
|
|
// Add markup to directory listing
|
|
nsAutoString markupString;
|
|
PRInt32 lineLength = aString.Length();
|
|
PRInt32 wordBegin = 0;
|
|
markupString.SetLength(0);
|
|
|
|
while (wordBegin < lineLength) {
|
|
// Consume any leading spaces
|
|
while ( (wordBegin < lineLength) &&
|
|
((aString[wordBegin] == U_SPACE) ||
|
|
(aString[wordBegin] == U_TAB)) ) {
|
|
markupString += aString[wordBegin];
|
|
wordBegin++;
|
|
}
|
|
if (wordBegin >= lineLength) break;
|
|
|
|
// Locate end of word (non-space character)
|
|
PRInt32 wordEnd = aString.FindCharInSet(kWhitespace, wordBegin);
|
|
if (wordEnd < 0) {
|
|
wordEnd = lineLength-1;
|
|
} else {
|
|
wordEnd--;
|
|
}
|
|
|
|
PR_ASSERT(wordEnd >= wordBegin);
|
|
|
|
// Locate pure filename, with possible type suffix
|
|
PRInt32 nameBegin;
|
|
if (wordEnd > wordBegin) {
|
|
nameBegin = aString.RFindChar(U_SLASH, wordEnd-1);
|
|
if (nameBegin >= wordBegin) {
|
|
nameBegin++;
|
|
} else {
|
|
nameBegin = wordBegin;
|
|
}
|
|
} else {
|
|
nameBegin = wordBegin;
|
|
}
|
|
|
|
nsAutoString filename;
|
|
aString.Mid(filename, nameBegin, wordEnd-nameBegin+1);
|
|
|
|
FileType fileType = PLAIN_FILE;
|
|
PRUint32 dropSuffix = 0;
|
|
|
|
if (wordEnd > wordBegin) {
|
|
// Determine file type from suffix character
|
|
switch (aString[wordEnd]) {
|
|
case U_SLASH:
|
|
fileType = DIRECTORY_FILE;
|
|
break;
|
|
case U_STAR:
|
|
fileType = EXECUTABLE_FILE;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
// Discard any type suffix
|
|
if (fileType != PLAIN_FILE)
|
|
dropSuffix = 1;
|
|
}
|
|
|
|
// Extract full pathname (minus any type suffix)
|
|
nsAutoString pathname;
|
|
aString.Mid(pathname, wordBegin, wordEnd-wordBegin+1-dropSuffix);
|
|
|
|
// Append to markup string
|
|
markupString.AssignLiteral("<span class=\"");
|
|
markupString.AssignASCII(fileTypeNames[fileType]);
|
|
markupString.AssignLiteral("\"");
|
|
|
|
int j;
|
|
for (j=0; j<SESSION_EVENT_TYPES; j++) {
|
|
markupString.AssignLiteral(" on");
|
|
markupString.AssignASCII(sessionEventNames[j]);
|
|
markupString.AssignLiteral("=\"return HandleEvent(event, '");
|
|
markupString.AssignASCII(sessionEventNames[j]);
|
|
markupString.AssignLiteral("','");
|
|
markupString.AssignASCII(fileTypeNames[fileType]);
|
|
markupString.AssignLiteral("',-#,'");
|
|
markupString.Assign(pathname);
|
|
markupString.Assign(NS_LITERAL_STRING("');\""));
|
|
}
|
|
|
|
markupString.AssignLiteral(">");
|
|
markupString.Assign(filename);
|
|
markupString.AssignLiteral("</span>");
|
|
|
|
// Search for new word
|
|
wordBegin = wordEnd+1;
|
|
}
|
|
|
|
if (mOutputDisplayType != PRE_STDOUT_NODE) {
|
|
// Create PRE block
|
|
nsAutoString nullString; nullString.SetLength(0);
|
|
result = AppendOutput(nullString, nullString, PR_FALSE);
|
|
}
|
|
|
|
PR_ASSERT(mOutputDisplayNode != nsnull);
|
|
PR_ASSERT(mOutputTextNode != nsnull);
|
|
|
|
result = InsertFragment(markupString, mOutputDisplayNode,
|
|
mCurrentEntryNumber, mOutputTextNode.get());
|
|
|
|
nsCOMPtr<nsIDOMDocument> domDoc;
|
|
result = mXMLTerminal->GetDOMDocument(getter_AddRefs(domDoc));
|
|
if (NS_FAILED(result) || !domDoc)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Insert text node containing newline only
|
|
nsCOMPtr<nsIDOMText> newText;
|
|
nsAutoString newlineStr(NS_LITERAL_STRING("\n"));
|
|
|
|
result = domDoc->CreateTextNode(newlineStr, getter_AddRefs(newText));
|
|
if (NS_FAILED(result) || !newText)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIDOMNode> newTextNode = do_QueryInterface(newText);
|
|
nsCOMPtr<nsIDOMNode> resultNode;
|
|
result = mOutputDisplayNode->InsertBefore(newTextNode, mOutputTextNode,
|
|
getter_AddRefs(resultNode));
|
|
if (NS_FAILED(result))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
XMLT_LOG(mozXMLTermSession::AppendLineLS,61,("exiting\n"));
|
|
|
|
#if 0
|
|
mCurrentDebugNode = mOutputDisplayNode;
|
|
mMetaCommandType = TREE_META_COMMAND;
|
|
XMLT_LOG(mozXMLTermSession::AppendLineLS,62,("tree:\n"));
|
|
#endif /* 0 */
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Inserts HTML fragment string as child of parentNode, before specified
|
|
* child node, or after the last child node
|
|
* @param aString HTML fragment string to be inserted
|
|
* @param parentNode parent node for HTML fragment
|
|
* @param entryNumber entry number (default value = -1)
|
|
* (if entryNumber >= 0, all '#' characters in
|
|
* id/onclick attribute values are substituted
|
|
* with entryNumber)
|
|
* @param beforeNode child node before which to insert fragment;
|
|
* if null, insert after last child node
|
|
* (default value is null)
|
|
* @param replace if PR_TRUE, replace beforeNode with inserted fragment
|
|
* (default value is PR_FALSE)
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::InsertFragment(const nsString& aString,
|
|
nsIDOMNode* parentNode,
|
|
PRInt32 entryNumber,
|
|
nsIDOMNode* beforeNode,
|
|
PRBool replace)
|
|
{
|
|
nsresult result;
|
|
|
|
char* temCString = ToNewCString(aString);
|
|
XMLT_LOG(mozXMLTermSession::InsertFragment,70,("aString=%s\n", temCString));
|
|
nsCRT::free(temCString);
|
|
|
|
// Get selection
|
|
nsCOMPtr<nsISelection> selection;
|
|
|
|
nsCOMPtr<nsISelectionController> selCon;
|
|
result = mXMLTerminal->GetSelectionController(getter_AddRefs(selCon));
|
|
if (NS_FAILED(result) || !selCon)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
result = selCon->GetSelection(nsISelectionController::SELECTION_NORMAL,
|
|
getter_AddRefs(selection));
|
|
if (NS_FAILED(result) || !selection)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
PRUint32 insertOffset = 0;
|
|
|
|
nsCOMPtr<nsIDOMNodeList> childNodes;
|
|
result = parentNode->GetChildNodes(getter_AddRefs(childNodes));
|
|
|
|
if (NS_SUCCEEDED(result) && childNodes) {
|
|
PRUint32 nChildren = 0;
|
|
childNodes->GetLength(&nChildren);
|
|
|
|
if(!beforeNode) {
|
|
// Append child
|
|
insertOffset = nChildren;
|
|
|
|
} else {
|
|
// Determine offset of before node
|
|
int j;
|
|
PRInt32 nNodes = nChildren;
|
|
|
|
for (j=0; j<nNodes; j++) {
|
|
nsCOMPtr<nsIDOMNode> childNode;
|
|
result = childNodes->Item(j, getter_AddRefs(childNode));
|
|
if ((NS_SUCCEEDED(result)) && childNode) {
|
|
if (childNode.get() == beforeNode) {
|
|
insertOffset = j;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Collapse selection to insertion point
|
|
result = selection->Collapse(parentNode, insertOffset);
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
|
|
// Get the first range in the selection
|
|
nsCOMPtr<nsIDOMRange> firstRange;
|
|
result = selection->GetRangeAt(0, getter_AddRefs(firstRange));
|
|
if (NS_FAILED(result) || !firstRange)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIDOMNSRange> nsrange (do_QueryInterface(firstRange));
|
|
if (!nsrange)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
XMLT_LOG(mozXMLTermSession::InsertFragment,62,("Creating Fragment\n"));
|
|
|
|
nsCOMPtr<nsIDOMDocumentFragment> docfrag;
|
|
result = nsrange->CreateContextualFragment(aString, getter_AddRefs(docfrag));
|
|
if (NS_FAILED(result) || !docfrag)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIDOMNode> docfragNode (do_QueryInterface(docfrag));
|
|
if (!docfragNode)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Sanitize all nodes in document fragment (deep)
|
|
result = DeepSanitizeFragment(docfragNode, nsnull, entryNumber);
|
|
if (NS_FAILED(result))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// If fragment was deleted during the sanitization process, simply return
|
|
if (!docfragNode)
|
|
return NS_OK;
|
|
|
|
// Insert child nodes of document fragment before PRE text node
|
|
nsCOMPtr<nsIDOMNode> childNode;
|
|
result = docfragNode->GetFirstChild(getter_AddRefs(childNode));
|
|
if (NS_FAILED(result) || !childNode)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
while (childNode) {
|
|
// Get next sibling prior to insertion
|
|
nsCOMPtr<nsIDOMNode> nextChild;
|
|
result = childNode->GetNextSibling(getter_AddRefs(nextChild));
|
|
|
|
XMLT_LOG(mozXMLTermSession::InsertFragment,72,("Inserting child node ...\n"));
|
|
|
|
// nsCOMPtr<nsIContent> childContent (do_QueryInterface(childNode));
|
|
// if (childContent) childContent->List(stderr);
|
|
|
|
// Deep clone child node
|
|
// Note: Not clear why this needs to be done, but like "deep refresh",
|
|
// seems to be essential for event handlers to work
|
|
nsCOMPtr<nsIDOMNode> cloneNode;
|
|
result = childNode->CloneNode(PR_TRUE, getter_AddRefs(cloneNode));
|
|
if (NS_FAILED(result) || !cloneNode)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Insert clone of child node
|
|
nsCOMPtr<nsIDOMNode> resultNode;
|
|
|
|
PRBool replaceTem = replace;
|
|
if (beforeNode) {
|
|
if (replaceTem) {
|
|
// Replace before node
|
|
result = parentNode->ReplaceChild(cloneNode, beforeNode,
|
|
getter_AddRefs(resultNode));
|
|
|
|
beforeNode = nsnull;
|
|
|
|
nsCOMPtr<nsIDOMNode> newBeforeNode;
|
|
result = resultNode->GetNextSibling(getter_AddRefs(newBeforeNode));
|
|
|
|
if (NS_SUCCEEDED(result) && newBeforeNode) {
|
|
beforeNode = newBeforeNode.get();
|
|
replaceTem = PR_FALSE;
|
|
}
|
|
|
|
} else {
|
|
// Insert before specified node
|
|
result = parentNode->InsertBefore(cloneNode, beforeNode,
|
|
getter_AddRefs(resultNode));
|
|
}
|
|
} else {
|
|
// Append child
|
|
result = parentNode->AppendChild(cloneNode, getter_AddRefs(resultNode));
|
|
}
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
|
|
// Refresh attributes of inserted child node (deep)
|
|
DeepRefreshEventHandlers(resultNode);
|
|
|
|
childNode = nextChild;
|
|
}
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
/** Substitute all occurrences of the '#' character in aString with
|
|
* aNumber, if aNumber >= 0;
|
|
* @ param aString string to be modified
|
|
* @ param aNumber number to substituted
|
|
*/
|
|
void mozXMLTermSession::SubstituteCommandNumber(nsString& aString,
|
|
PRInt32 aNumber)
|
|
{
|
|
|
|
if (aNumber < 0)
|
|
return;
|
|
|
|
PRInt32 numberOffset;
|
|
nsAutoString numberString;
|
|
numberString.SetLength(0);
|
|
|
|
numberString.AppendInt(aNumber,10);
|
|
|
|
for (;;) {
|
|
// Search for '#' character
|
|
numberOffset = aString.FindChar((PRUnichar) '#');
|
|
|
|
if (numberOffset < 0)
|
|
break;
|
|
|
|
// Substitute '#' with supplied number
|
|
aString.Cut(numberOffset,1);
|
|
aString.Insert(numberString, numberOffset);
|
|
}
|
|
}
|
|
|
|
|
|
/** Sanitize event handler attribute values by imposing syntax checks.
|
|
* @param aAttrValue attribute value to be sanitized
|
|
* @param aEventName name of event being handled ("click", ...)
|
|
*/
|
|
void mozXMLTermSession::SanitizeAttribute(nsString& aAttrValue,
|
|
const char* aEventName)
|
|
{
|
|
// ****************NOTE***************
|
|
// At the moment this method simply prevents the word function and the
|
|
// the character '{' both occurring in the event handler attribute.
|
|
// NEEDS TO BE IMPROVED TO ENFORCE STRICTER REQUIREMENTS
|
|
// such as: the event handler attribute should always be of the form
|
|
// "return EventHandler(str_arg1, num_arg2, str_arg3, str_arg4);"
|
|
|
|
if ((aAttrValue.FindChar((PRUnichar)'{') >= 0) &&
|
|
(aAttrValue.Find("function") >= 0)) {
|
|
// Character '{' and string "function" both found in attribute value;
|
|
// set to null string
|
|
|
|
char* temCString = ToNewCString(aAttrValue);
|
|
XMLT_WARNING("mozXMLTermSession::SanitizeAttribute: Warning - deleted attribute on%s='%s'\n", aEventName, temCString);
|
|
nsCRT::free(temCString);
|
|
|
|
aAttrValue.SetLength(0);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
/** Deep sanitizing of event handler attributes ("on*") prior to insertion
|
|
* of HTML fragments, to enfore consistent UI behaviour in XMLTerm and
|
|
* for security. The following actions are carried out:
|
|
* 1. Any SCRIPT tags in the fragment are simply deleted
|
|
* 2. All event handler attributes, except a few selected ones, are deleted.
|
|
* 3. The retained event handler attribute values are subject to strict
|
|
* checks.
|
|
* 4. If entryNumber >= 0, all '#' characters in the ID attribute and
|
|
* retained event handler attributes are substituted with entryNumber.
|
|
*
|
|
* @param domNode DOM node for HTML fragment to be sanitized
|
|
* @param parentNode parent DOM node (needed to delete SCRIPT elements;
|
|
* set to null if root element)
|
|
* @param entryNumber entry number (default value = -1)
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::DeepSanitizeFragment(
|
|
nsCOMPtr<nsIDOMNode>& domNode,
|
|
nsIDOMNode* parentNode,
|
|
PRInt32 entryNumber)
|
|
{
|
|
nsresult result;
|
|
PRInt32 j;
|
|
|
|
XMLT_LOG(mozXMLTermSession::DeepSanitizeFragment,72,("entryNumber=%d\n",
|
|
entryNumber));
|
|
|
|
nsCOMPtr<nsIDOMElement> domElement = do_QueryInterface(domNode);
|
|
|
|
if (domElement) {
|
|
// Check if this is a script element (IGNORE CASE)
|
|
nsAutoString tagName;
|
|
tagName.SetLength(0);
|
|
result = domElement->GetTagName(tagName);
|
|
|
|
if (NS_SUCCEEDED(result) && tagName.LowerCaseEqualsLiteral("script")) {
|
|
// Remove script element and return
|
|
|
|
XMLT_WARNING("mozXMLTermSession::DeepSanitizeFragment: Warning - rejected SCRIPT element in inserted HTML fragment\n");
|
|
|
|
if (parentNode) {
|
|
nsCOMPtr<nsIDOMNode> resultNode;
|
|
result = parentNode->RemoveChild(domNode, getter_AddRefs(resultNode));
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
|
|
} else {
|
|
domNode = nsnull;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsAutoString eventAttrVals[SESSION_EVENT_TYPES];
|
|
for (j=0; j<SESSION_EVENT_TYPES; j++)
|
|
eventAttrVals[j].SetLength(0);
|
|
|
|
nsAutoString attName, attValue;
|
|
|
|
for (j=0; j<SESSION_EVENT_TYPES; j++) {
|
|
attName.AssignLiteral("on");
|
|
attName.AppendASCII(sessionEventNames[j]);
|
|
|
|
attValue.SetLength(0);
|
|
result = domElement->GetAttribute(attName, attValue);
|
|
if (NS_SUCCEEDED(result) && !attValue.IsEmpty()) {
|
|
// Save allowed event attribute value for re-insertion
|
|
eventAttrVals[j] = attValue;
|
|
}
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMNamedNodeMap> namedNodeMap(nsnull);
|
|
result = domNode->GetAttributes(getter_AddRefs(namedNodeMap));
|
|
|
|
if (NS_SUCCEEDED(result) && namedNodeMap) {
|
|
// Cycle through all attributes and delete all event attributes ("on*")
|
|
PRUint32 nodeCount;
|
|
result = namedNodeMap->GetLength(&nodeCount);
|
|
|
|
if (NS_SUCCEEDED(result)) {
|
|
nsCOMPtr<nsIDOMNode> attrNode;
|
|
PRUint32 k;
|
|
nsAutoString attrName, attrValue, prefix;
|
|
nsAutoString nullStr; nullStr.SetLength(0);
|
|
|
|
for (k=0; k<nodeCount; k++) {
|
|
result = namedNodeMap->Item(k, getter_AddRefs(attrNode));
|
|
|
|
if (NS_SUCCEEDED(result)) {
|
|
nsCOMPtr<nsIDOMAttr> attr = do_QueryInterface(attrNode);
|
|
|
|
if (attr) {
|
|
result = attr->GetName(attrName);
|
|
|
|
if (NS_SUCCEEDED(result)) {
|
|
result = attr->GetValue(attrValue);
|
|
if (NS_SUCCEEDED(result) && (attrName.Length() >= 2)) {
|
|
|
|
attrName.Left(prefix,2);
|
|
|
|
if (prefix.LowerCaseEqualsLiteral("on")) {
|
|
// Delete event handler attribute
|
|
|
|
XMLT_LOG(mozXMLTermSession::DeepSanitizeFragment,79,
|
|
("Deleting event handler in fragment\n"));
|
|
|
|
result = domElement->SetAttribute(attrName, nullStr);
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
if (entryNumber >= 0) {
|
|
// Process ID attribute
|
|
attName.AssignLiteral("id");
|
|
|
|
attValue.SetLength(0);
|
|
result = domElement->GetAttribute(attName, attValue);
|
|
|
|
if (NS_SUCCEEDED(result) && !attValue.IsEmpty()) {
|
|
// Modify attribute value
|
|
SubstituteCommandNumber(attValue, entryNumber);
|
|
domElement->SetAttribute(attName, attValue);
|
|
}
|
|
}
|
|
|
|
for (j=0; j<SESSION_EVENT_TYPES; j++) {
|
|
// Re-introduce sanitized event attribute values
|
|
attName.AssignLiteral("on");
|
|
attName.AppendASCII(sessionEventNames[j]);
|
|
attValue = eventAttrVals[j];
|
|
|
|
if (!attValue.IsEmpty()) {
|
|
SubstituteCommandNumber(attValue, entryNumber);
|
|
|
|
// Sanitize attribute value
|
|
SanitizeAttribute(attValue, sessionEventNames[j]);
|
|
|
|
// Insert attribute value
|
|
domElement->SetAttribute(attName, attValue);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
// Iterate over all child nodes for deep refresh
|
|
nsCOMPtr<nsIDOMNode> child;
|
|
result = domNode->GetFirstChild(getter_AddRefs(child));
|
|
if (NS_FAILED(result))
|
|
return NS_OK;
|
|
|
|
while (child) {
|
|
DeepSanitizeFragment(child, domNode, entryNumber);
|
|
|
|
nsCOMPtr<nsIDOMNode> temp = child;
|
|
result = temp->GetNextSibling(getter_AddRefs(child));
|
|
if (NS_FAILED(result))
|
|
break;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Deep refresh of selected event handler attributes for DOM elements
|
|
* (WORKAROUND for inserting HTML fragments properly)
|
|
* @param domNode DOM node of branch to be refreshed
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::DeepRefreshEventHandlers(
|
|
nsCOMPtr<nsIDOMNode>& domNode)
|
|
{
|
|
nsresult result;
|
|
|
|
XMLT_LOG(mozXMLTermSession::DeepRefreshEventHandlers,82,("\n"));
|
|
|
|
nsCOMPtr<nsIDOMElement> domElement = do_QueryInterface(domNode);
|
|
if (!domElement)
|
|
return NS_OK;
|
|
|
|
int j;
|
|
nsAutoString attName, attValue;
|
|
|
|
// Refresh event attributes
|
|
for (j=0; j<SESSION_EVENT_TYPES; j++) {
|
|
attName.AssignLiteral("on");
|
|
attName.AppendASCII(sessionEventNames[j]);
|
|
|
|
XMLT_LOG(mozXMLTermSession::DeepRefreshEventHandlers,89,
|
|
("Refreshing on%s attribute\n",sessionEventNames[j] ));
|
|
|
|
attValue.SetLength(0);
|
|
result = domElement->GetAttribute(attName, attValue);
|
|
|
|
if (NS_SUCCEEDED(result) && !attValue.IsEmpty()) {
|
|
// Refresh attribute value
|
|
domElement->SetAttribute(attName, attValue);
|
|
}
|
|
}
|
|
|
|
// Iterate over all child nodes for deep refresh
|
|
nsCOMPtr<nsIDOMNode> child;
|
|
result = domNode->GetFirstChild(getter_AddRefs(child));
|
|
if (NS_FAILED(result))
|
|
return NS_OK;
|
|
|
|
while (child) {
|
|
DeepRefreshEventHandlers(child);
|
|
|
|
nsCOMPtr<nsIDOMNode> temp = child;
|
|
result = temp->GetNextSibling(getter_AddRefs(child));
|
|
if (NS_FAILED(result))
|
|
break;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Forces display of data in output buffer
|
|
* @param flushAction type of flush action: display, split-off, clear, or
|
|
* close incomplete lines
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::FlushOutput(FlushActionType flushAction)
|
|
{
|
|
nsresult result;
|
|
|
|
if (!mEntryHasOutput)
|
|
return NS_OK;
|
|
|
|
XMLT_LOG(mozXMLTermSession::FlushOutput,70,
|
|
("flushAction=%d, mOutputDisplayType=%d\n",
|
|
flushAction, mOutputDisplayType));
|
|
|
|
PRBool preDisplay = (mOutputDisplayType == PRE_STDOUT_NODE) ||
|
|
(mOutputDisplayType == PRE_STDERR_NODE) ||
|
|
(mOutputDisplayType == PRE_STDIN_NODE);
|
|
|
|
if (preDisplay) {
|
|
// PRE text display
|
|
OutputDisplayType preDisplayType = mOutputDisplayType;
|
|
nsAutoString preTextSplit; preTextSplit.SetLength(0);
|
|
|
|
if (flushAction != DISPLAY_INCOMPLETE_FLUSH) {
|
|
// Split/clear/close incomplete line
|
|
|
|
XMLT_LOG(mozXMLTermSession::FlushOutput,72,
|
|
("mPreTextIncomplete.Length()=%d\n",
|
|
mPreTextIncomplete.Length() ));
|
|
|
|
if (flushAction == SPLIT_INCOMPLETE_FLUSH) {
|
|
// Move incomplete text to new PRE element
|
|
preTextSplit = mPreTextIncomplete;
|
|
|
|
} else if (flushAction == CLOSE_INCOMPLETE_FLUSH) {
|
|
// Move incomplete text into buffer
|
|
mPreTextBuffered += mPreTextIncomplete;
|
|
}
|
|
|
|
// Clear incomplete PRE text
|
|
mPreTextIncomplete.SetLength(0);
|
|
|
|
if ((mPreTextBufferLines == 0) && mPreTextBuffered.IsEmpty()) {
|
|
// Remove lone text node
|
|
nsCOMPtr<nsIDOMNode> resultNode;
|
|
result = mOutputDisplayNode->RemoveChild(mOutputTextNode,
|
|
getter_AddRefs(resultNode));
|
|
|
|
// Check if PRE node has any child nodes
|
|
PRBool hasChildNodes = PR_TRUE;
|
|
result = mOutputDisplayNode->HasChildNodes(&hasChildNodes);
|
|
|
|
if (!hasChildNodes) {
|
|
// No child nodes left; Delete PRE node itself
|
|
nsCOMPtr<nsIDOMNode> resultNode2;
|
|
result = mOutputBlockNode->RemoveChild(mOutputDisplayNode,
|
|
getter_AddRefs(resultNode));
|
|
}
|
|
|
|
mOutputDisplayNode = nsnull;
|
|
mOutputDisplayType = NO_NODE;
|
|
mOutputTextNode = nsnull;
|
|
}
|
|
}
|
|
|
|
if (mOutputDisplayNode != nsnull) {
|
|
// Update displayed PRE text
|
|
nsAutoString outString(mPreTextBuffered);
|
|
outString += mPreTextIncomplete;
|
|
|
|
// Increment total output line count for entry
|
|
mEntryOutputLines += mPreTextBufferLines;
|
|
|
|
if (outString != mPreTextDisplayed) {
|
|
// Display updated buffer
|
|
mPreTextDisplayed = outString;
|
|
|
|
XMLT_LOG(mozXMLTermSession::FlushOutput,72,
|
|
("mOutputTextNode=%d\n", (mOutputTextNode != nsnull)));
|
|
|
|
result = SetDOMText(mOutputTextNode, mPreTextDisplayed);
|
|
if (NS_FAILED(result))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
}
|
|
}
|
|
|
|
if (flushAction != DISPLAY_INCOMPLETE_FLUSH) {
|
|
// Split/clear/close incomplete line
|
|
mOutputDisplayNode = nsnull;
|
|
mOutputDisplayType = NO_NODE;
|
|
mOutputTextNode = nsnull;
|
|
|
|
if ( (flushAction == SPLIT_INCOMPLETE_FLUSH) &&
|
|
!preTextSplit.IsEmpty() ) {
|
|
// Create new PRE element with incomplete text
|
|
nsAutoString styleStr; styleStr.SetLength(0);
|
|
|
|
if (preDisplayType == PRE_STDIN_NODE) {
|
|
styleStr += (PRUnichar) LTERM_STDIN_STYLE;
|
|
|
|
} else if (preDisplayType == PRE_STDERR_NODE) {
|
|
styleStr += (PRUnichar) LTERM_STDERR_STYLE;
|
|
|
|
} else {
|
|
styleStr += (PRUnichar) LTERM_STDOUT_STYLE;
|
|
}
|
|
|
|
XMLT_LOG(mozXMLTermSession::FlushOutput,72,("splitting\n"));
|
|
|
|
AppendOutput(preTextSplit, styleStr, PR_FALSE);
|
|
|
|
FlushOutput(DISPLAY_INCOMPLETE_FLUSH);
|
|
}
|
|
}
|
|
|
|
} else if (mOutputDisplayNode != nsnull) {
|
|
// Non-PRE node
|
|
if (flushAction == CLEAR_INCOMPLETE_FLUSH) {
|
|
// Clear incomplete line info
|
|
nsCOMPtr<nsIDOMNode> resultNode;
|
|
result = mOutputBlockNode->RemoveChild(mOutputDisplayNode,
|
|
getter_AddRefs(resultNode));
|
|
mOutputDisplayNode = nsnull;
|
|
mOutputDisplayType = NO_NODE;
|
|
mOutputTextNode = nsnull;
|
|
|
|
} else if (flushAction == CLOSE_INCOMPLETE_FLUSH) {
|
|
mOutputDisplayNode = nsnull;
|
|
mOutputDisplayType = NO_NODE;
|
|
mOutputTextNode = nsnull;
|
|
|
|
}
|
|
}
|
|
|
|
XMLT_LOG(mozXMLTermSession::FlushOutput,71,("returning\n"));
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Positions cursor below the last output element */
|
|
void mozXMLTermSession::PositionOutputCursor(mozILineTermAux* lineTermAux)
|
|
{
|
|
nsresult result;
|
|
|
|
XMLT_LOG(mozXMLTermSession::PositionOutputCursor,80,("\n"));
|
|
|
|
PRBool dummyOutput = PR_FALSE;
|
|
if (!mOutputTextNode) {
|
|
// Append dummy output line
|
|
nsCOMPtr<nsIDOMNode> spanNode, textNode;
|
|
nsAutoString tagName(NS_LITERAL_STRING("span"));
|
|
nsAutoString elementName; elementName.AssignASCII(sessionElementNames[STDOUT_ELEMENT]);
|
|
result = NewElementWithText(tagName, elementName, -1,
|
|
mOutputBlockNode, spanNode, textNode);
|
|
|
|
if (NS_FAILED(result) || !spanNode || !textNode)
|
|
return;
|
|
|
|
// Display NBSP for cursor positioning
|
|
nsAutoString tempString;
|
|
tempString += kNBSP;
|
|
SetDOMText(textNode, tempString);
|
|
dummyOutput = PR_TRUE;
|
|
|
|
mOutputDisplayType = SPAN_DUMMY_NODE;
|
|
mOutputDisplayNode = spanNode;
|
|
mOutputTextNode = textNode;
|
|
mOutputTextOffset = 0;
|
|
}
|
|
|
|
// Get selection
|
|
nsCOMPtr<nsISelection> selection;
|
|
|
|
nsCOMPtr<nsISelectionController> selCon;
|
|
result = mXMLTerminal->GetSelectionController(getter_AddRefs(selCon));
|
|
if (NS_FAILED(result) || !selCon)
|
|
return; // NS_ERROR_FAILURE
|
|
|
|
result = selCon->GetSelection(nsISelectionController::SELECTION_NORMAL,
|
|
getter_AddRefs(selection));
|
|
if (NS_SUCCEEDED(result) && selection) {
|
|
// Position cursor at end of line
|
|
nsCOMPtr<nsIDOMText> domText( do_QueryInterface(mOutputTextNode) );
|
|
nsAutoString text; text.SetLength(0);
|
|
domText->GetData(text);
|
|
|
|
PRInt32 textOffset = text.Length();
|
|
if (textOffset && dummyOutput) textOffset--;
|
|
|
|
if (lineTermAux && (mOutputDisplayType == PRE_STDIN_NODE)) {
|
|
// Get cursor column
|
|
PRInt32 cursorCol = 0;
|
|
lineTermAux->GetCursorColumn(&cursorCol);
|
|
textOffset = cursorCol - mOutputTextOffset;
|
|
if (textOffset > (PRInt32)text.Length())
|
|
textOffset = text.Length();
|
|
}
|
|
result = selection->Collapse(mOutputTextNode, textOffset);
|
|
}
|
|
}
|
|
|
|
|
|
/** Scrolls document to align bottom and left margin with screen */
|
|
NS_IMETHODIMP mozXMLTermSession::ScrollToBottomLeft(void)
|
|
{
|
|
nsresult result;
|
|
|
|
XMLT_LOG(mozXMLTermSession::ScrollToBottomLeft,70,("\n"));
|
|
|
|
nsCOMPtr<nsIPresShell> presShell;
|
|
result = mXMLTerminal->GetPresShell(getter_AddRefs(presShell));
|
|
if (NS_FAILED(result) || !presShell)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsIDocument* doc = presShell->GetDocument();
|
|
if (doc) {
|
|
doc->FlushPendingNotifications(Flush_Layout);
|
|
}
|
|
|
|
// Get DOM Window
|
|
nsCOMPtr<nsIDocShell> docShell;
|
|
result = mXMLTerminal->GetDocShell(getter_AddRefs(docShell));
|
|
if (NS_FAILED(result) || !docShell)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIDOMWindowInternal> domWindow;
|
|
result = mozXMLTermUtils::ConvertDocShellToDOMWindow(docShell,
|
|
getter_AddRefs(domWindow));
|
|
|
|
if (NS_FAILED(result) || !domWindow)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Scroll to bottom left of screen
|
|
domWindow->ScrollBy(-99999,99999);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Gets current entry (command) number
|
|
* @param aNumber (output) current entry number
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::GetCurrentEntryNumber(PRInt32 *aNumber)
|
|
{
|
|
*aNumber = mCurrentEntryNumber;
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
// Get size of entry history buffer
|
|
NS_IMETHODIMP mozXMLTermSession::GetHistory(PRInt32 *aHistory)
|
|
{
|
|
*aHistory = mMaxHistory;
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
// Set size of entry history buffer
|
|
NS_IMETHODIMP mozXMLTermSession::SetHistory(PRInt32 aHistory)
|
|
{
|
|
nsresult result;
|
|
|
|
XMLT_LOG(mozXMLTermSession::SetHistory,30,("\n"));
|
|
|
|
if (aHistory < 1)
|
|
aHistory = 1;
|
|
|
|
if (mInitialized && mStartEntryNode && (aHistory < mMaxHistory)) {
|
|
// Delete any extra entry blocks
|
|
PRInt32 delEntries = (mCurrentEntryNumber-mStartEntryNumber)
|
|
- aHistory;
|
|
PRInt32 j;
|
|
for (j=0; j<delEntries; j++) {
|
|
nsCOMPtr<nsIDOMNode> newStartNode;
|
|
result = mStartEntryNode->GetNextSibling(getter_AddRefs(newStartNode));
|
|
if (NS_FAILED(result) || !newStartNode) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMNode> resultNode;
|
|
result = mSessionNode->RemoveChild(mStartEntryNode,
|
|
getter_AddRefs(resultNode));
|
|
|
|
if (NS_FAILED(result)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
mStartEntryNode = newStartNode;
|
|
mStartEntryNumber++;
|
|
}
|
|
}
|
|
|
|
mMaxHistory = aHistory;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
// Get HTML prompt string
|
|
NS_IMETHODIMP mozXMLTermSession::GetPrompt(PRUnichar **_aPrompt)
|
|
{
|
|
// NOTE: Need to be sure that this may be freed by nsMemory::Free
|
|
*_aPrompt = ToNewUnicode(mPromptHTML);
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
// Set HTML prompt string
|
|
NS_IMETHODIMP mozXMLTermSession::SetPrompt(const PRUnichar* aPrompt)
|
|
{
|
|
mPromptHTML = aPrompt;
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Gets flag denoting whether terminal is in full screen mode
|
|
* @param aFlag (output) screen mode flag
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::GetScreenMode(PRBool* aFlag)
|
|
{
|
|
if (!aFlag)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
*aFlag = (mScreenNode != nsnull);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Create a DIV element with attributes NAME="preface", CLASS="preface",
|
|
* and ID="preface0", containing an empty text node, and append it as a
|
|
* child of the main BODY element. Also make it the current display element.
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::NewPreface(void)
|
|
{
|
|
nsresult result;
|
|
|
|
XMLT_LOG(mozXMLTermSession::NewPreface,40,("\n"));
|
|
|
|
// Create preface element and append as child of session element
|
|
nsCOMPtr<nsIDOMNode> divNode;
|
|
nsAutoString tagName(NS_LITERAL_STRING("div"));
|
|
nsAutoString name(NS_LITERAL_STRING("preface"));
|
|
result = NewElement(tagName, name, 0,
|
|
mSessionNode, divNode);
|
|
|
|
if (NS_FAILED(result) || !divNode)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
mOutputBlockNode = divNode;
|
|
|
|
mOutputDisplayType = NO_NODE;
|
|
mOutputDisplayNode = nsnull;
|
|
mOutputTextNode = nsnull;
|
|
|
|
// Command output being processed
|
|
mEntryHasOutput = PR_TRUE;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Create and append a new DIV element with attributes NAME="entry",
|
|
* CLASS="entry", and ID="entry#" as the last child of the main BODY element,
|
|
* where "#" denotes the new entry number obtained by incrementing the
|
|
* current entry number.
|
|
* Inside the entry element, create a DIV element with attributes
|
|
* NAME="input", CLASS="input", and ID="input#" containing two elements,
|
|
* named "prompt" and "command", each containing a text node.
|
|
* Insert the supplied prompt string into the prompt element's text node.
|
|
* @param aPrompt prompt string to be inserted into prompt element
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::NewEntry(const nsString& aPrompt)
|
|
{
|
|
nsresult result;
|
|
|
|
XMLT_LOG(mozXMLTermSession::NewEntry,50,("\n"));
|
|
|
|
if (mCurrentEntryNumber == 0) {
|
|
// First entry
|
|
mCurrentEntryNumber = 1;
|
|
mStartEntryNumber = 1;
|
|
|
|
} else {
|
|
// Not first entry
|
|
|
|
// Add event attributes to current command element
|
|
nsAutoString cmdName; cmdName.AssignASCII(sessionElementNames[COMMAND_ELEMENT]);
|
|
result = SetEventAttributes(cmdName,
|
|
mCurrentEntryNumber,
|
|
mCommandSpanNode);
|
|
if (NS_FAILED(result))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Increment entry number
|
|
mCurrentEntryNumber++;
|
|
|
|
if ((mCurrentEntryNumber - mStartEntryNumber) > mMaxHistory) {
|
|
// Delete oldest displayed entry element
|
|
|
|
nsCOMPtr<nsIDOMNode> newStartNode;
|
|
result = mStartEntryNode->GetNextSibling(getter_AddRefs(newStartNode));
|
|
if (NS_FAILED(result) || !newStartNode) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMNode> resultNode;
|
|
result = mSessionNode->RemoveChild(mStartEntryNode,
|
|
getter_AddRefs(resultNode));
|
|
|
|
if (NS_FAILED(result)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
mStartEntryNode = newStartNode;
|
|
mStartEntryNumber++;
|
|
}
|
|
}
|
|
|
|
XMLT_LOG(mozXMLTermSession::NewEntry,50,
|
|
("%d (start=%d)\n", mCurrentEntryNumber, mStartEntryNumber));
|
|
|
|
nsAutoString tagName, name;
|
|
|
|
// Create "entry" element
|
|
nsCOMPtr<nsIDOMNode> entryNode;
|
|
tagName.AssignLiteral("div");
|
|
name.AssignASCII(sessionElementNames[ENTRY_ELEMENT]);
|
|
result = NewElement(tagName, name, mCurrentEntryNumber,
|
|
mSessionNode, entryNode);
|
|
if (NS_FAILED(result) || !entryNode) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
mCurrentEntryNode = entryNode;
|
|
|
|
if (mCurrentEntryNumber == 1) {
|
|
mStartEntryNode = mCurrentEntryNode;
|
|
}
|
|
|
|
// Create "input" element containing "prompt" and "command" elements
|
|
nsCOMPtr<nsIDOMNode> inputNode;
|
|
tagName.AssignLiteral("div");
|
|
name.AssignASCII(sessionElementNames[INPUT_ELEMENT]);
|
|
result = NewElement(tagName, name, mCurrentEntryNumber,
|
|
mCurrentEntryNode, inputNode);
|
|
if (NS_FAILED(result) || !inputNode) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsAutoString classAttribute;
|
|
|
|
// Create prompt element
|
|
nsCOMPtr<nsIDOMNode> promptSpanNode;
|
|
tagName.AssignLiteral("span");
|
|
name.AssignASCII(sessionElementNames[PROMPT_ELEMENT]);
|
|
result = NewElement(tagName, name, mCurrentEntryNumber,
|
|
inputNode, promptSpanNode);
|
|
if (NS_FAILED(result) || !promptSpanNode) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// Add event attributes to prompt element
|
|
result = SetEventAttributes(name, mCurrentEntryNumber,
|
|
promptSpanNode);
|
|
|
|
nsCOMPtr<nsIDOMDocument> domDoc;
|
|
result = mXMLTerminal->GetDOMDocument(getter_AddRefs(domDoc));
|
|
if (NS_FAILED(result) || !domDoc)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIDOMNode> resultNode;
|
|
|
|
if (mPromptHTML.IsEmpty()) {
|
|
|
|
#define DEFAULT_ICON_PROMPT
|
|
#ifdef DEFAULT_ICON_PROMPT // Experimental code; has scrolling problems
|
|
// Create text node + image node as child of prompt element
|
|
nsCOMPtr<nsIDOMNode> spanNode, textNode;
|
|
|
|
tagName.AssignLiteral("span");
|
|
name.AssignLiteral("noicons");
|
|
result = NewElementWithText(tagName, name, -1,
|
|
promptSpanNode, spanNode, textNode);
|
|
if (NS_FAILED(result) || !spanNode || !textNode) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// Strip single trailing space, if any, from prompt string
|
|
int spaceOffset = aPrompt.Length();
|
|
|
|
if ((spaceOffset > 0) && (aPrompt.Last() == ((PRUnichar) ' ')))
|
|
spaceOffset--;
|
|
|
|
nsAutoString promptStr;
|
|
aPrompt.Left(promptStr, spaceOffset);
|
|
|
|
// Set prompt text
|
|
result = SetDOMText(textNode, promptStr);
|
|
if (NS_FAILED(result))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Create IMG element
|
|
tagName.AssignLiteral("img");
|
|
nsCOMPtr<nsIDOMElement> imgElement;
|
|
result = domDoc->CreateElement(tagName, getter_AddRefs(imgElement));
|
|
if (NS_FAILED(result) || !imgElement)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Set attributes
|
|
nsAutoString attName(NS_LITERAL_STRING("class"));
|
|
nsAutoString attValue(NS_LITERAL_STRING("icons"));
|
|
imgElement->SetAttribute(attName, attValue);
|
|
|
|
attName.AssignLiteral("src");
|
|
attValue.AssignLiteral("chrome://xmlterm/skin/wheel.gif");
|
|
imgElement->SetAttribute(attName, attValue);
|
|
|
|
attName.AssignLiteral("align");
|
|
attValue.AssignLiteral("middle");
|
|
imgElement->SetAttribute(attName, attValue);
|
|
|
|
// Append IMG element
|
|
nsCOMPtr<nsIDOMNode> imgNode = do_QueryInterface(imgElement);
|
|
result = promptSpanNode->AppendChild(imgNode,
|
|
getter_AddRefs(resultNode));
|
|
if (NS_FAILED(result))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
#else // !DEFAULT_ICON_PROMPT
|
|
// Create text node as child of prompt element
|
|
nsCOMPtr<nsIDOMNode> textNode;
|
|
result = NewTextNode(promptSpanNode, textNode);
|
|
|
|
if (NS_FAILED(result) || !textNode)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Set prompt text
|
|
result = SetDOMText(textNode, aPrompt);
|
|
if (NS_FAILED(result))
|
|
return NS_ERROR_FAILURE;
|
|
#endif // !DEFAULT_ICON_PROMPT
|
|
|
|
} else {
|
|
// User-specified HTML prompt
|
|
result = InsertFragment(mPromptHTML, promptSpanNode,
|
|
mCurrentEntryNumber);
|
|
}
|
|
|
|
// Append text node containing single NBSP
|
|
nsCOMPtr<nsIDOMText> stubText;
|
|
nsAutoString spaceStr(kNBSP);
|
|
result = domDoc->CreateTextNode(spaceStr, getter_AddRefs(stubText));
|
|
if (NS_FAILED(result) || !stubText)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIDOMNode> stubNode = do_QueryInterface(stubText);
|
|
result = inputNode->AppendChild(stubNode, getter_AddRefs(resultNode));
|
|
if (NS_FAILED(result))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
mPromptTextNode = stubNode;
|
|
|
|
// Create command element
|
|
nsCOMPtr<nsIDOMNode> newCommandSpanNode;
|
|
tagName.AssignLiteral("span");
|
|
name.AssignASCII(sessionElementNames[COMMAND_ELEMENT]);
|
|
result = NewElement(tagName, name, mCurrentEntryNumber,
|
|
inputNode, newCommandSpanNode);
|
|
if (NS_FAILED(result) || !newCommandSpanNode) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
mCommandSpanNode = newCommandSpanNode;
|
|
|
|
// Create text node as child of command element
|
|
nsCOMPtr<nsIDOMNode> textNode2;
|
|
result = NewTextNode(mCommandSpanNode, textNode2);
|
|
|
|
if (NS_FAILED(result) || !textNode2)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
mInputTextNode = textNode2;
|
|
|
|
// Create output element and append as child of current entry element
|
|
nsCOMPtr<nsIDOMNode> divNode;
|
|
tagName.AssignLiteral("div");
|
|
name.AssignASCII(sessionElementNames[OUTPUT_ELEMENT]);
|
|
result = NewElement(tagName, name, mCurrentEntryNumber,
|
|
mCurrentEntryNode, divNode);
|
|
|
|
if (NS_FAILED(result) || !divNode)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
mOutputBlockNode = divNode;
|
|
|
|
mOutputDisplayType = NO_NODE;
|
|
mOutputDisplayNode = nsnull;
|
|
mOutputTextNode = nsnull;
|
|
|
|
// No command output processed yet
|
|
mEntryHasOutput = PR_FALSE;
|
|
|
|
mEntryOutputLines = 0;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Create a DIV element with attributes NAME="screen" and CLASS="screen",
|
|
* containing an empty text node, and append it as a
|
|
* child of the main BODY element. Also make it the current display element.
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::NewScreen(void)
|
|
{
|
|
nsresult result;
|
|
|
|
XMLT_LOG(mozXMLTermSession::NewScreen,70,("\n"));
|
|
|
|
// Create screen element and append as child of session element
|
|
nsCOMPtr<nsIDOMNode> divNode;
|
|
nsAutoString tagName(NS_LITERAL_STRING("div"));
|
|
nsAutoString name(NS_LITERAL_STRING("screen"));
|
|
result = NewElement(tagName, name, 0,
|
|
mBodyNode, divNode);
|
|
|
|
if (NS_FAILED(result) || !divNode)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
mScreenNode = divNode;
|
|
|
|
// Collapse non-screen stuff
|
|
nsAutoString attName(NS_LITERAL_STRING("xmlt-block-collapsed"));
|
|
nsAutoString attValue(NS_LITERAL_STRING("true"));
|
|
|
|
nsCOMPtr<nsIDOMElement> menusElement = do_QueryInterface(mMenusNode);
|
|
|
|
if (NS_SUCCEEDED(result) && menusElement) {
|
|
menusElement->SetAttribute(attName, attValue);
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMElement> sessionElement = do_QueryInterface(mSessionNode);
|
|
|
|
if (sessionElement) {
|
|
sessionElement->SetAttribute(attName, attValue);
|
|
}
|
|
|
|
// Create individual row elements
|
|
nsCOMPtr<nsIDOMNode> resultNode;
|
|
PRInt32 row;
|
|
for (row=0; row < mScreenRows; row++) {
|
|
NewRow(nsnull, getter_AddRefs(resultNode));
|
|
}
|
|
|
|
// Collapse selection to bottom of screen (for scrolling)
|
|
result = PositionScreenCursor(0, 0);
|
|
|
|
if (NS_SUCCEEDED(result)) {
|
|
nsCOMPtr<nsISelectionController> selCon;
|
|
result = mXMLTerminal->GetSelectionController(getter_AddRefs(selCon));
|
|
if (NS_FAILED(result) || !selCon)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
result = selCon->ScrollSelectionIntoView(nsISelectionController::SELECTION_NORMAL,
|
|
nsISelectionController::SELECTION_FOCUS_REGION,
|
|
PR_TRUE);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Returns DOM PRE node corresponding to specified screen row
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::GetRow(PRInt32 aRow, nsIDOMNode** aRowNode)
|
|
{
|
|
nsresult result;
|
|
|
|
XMLT_LOG(mozXMLTermSession::GetRow,60,("aRow=%d\n", aRow));
|
|
|
|
if (!aRowNode)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
nsCOMPtr<nsIDOMNodeList> childNodes;
|
|
result = mScreenNode->GetChildNodes(getter_AddRefs(childNodes));
|
|
if (NS_FAILED(result) || !childNodes)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
PRUint32 nChildren = 0;
|
|
childNodes->GetLength(&nChildren);
|
|
|
|
XMLT_LOG(mozXMLTermSession::GetRow,62,("nChildren=%d, mScreenRows=%d\n",
|
|
nChildren, mScreenRows));
|
|
|
|
PRInt32 rowIndex = mScreenRows - aRow - 1;
|
|
if ((rowIndex < 0) || (rowIndex >= (PRInt32)nChildren))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIDOMNode> childNode;
|
|
result = childNodes->Item(rowIndex, getter_AddRefs(childNode));
|
|
|
|
if (NS_FAILED(result) || !childNode)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
*aRowNode = childNode.get();
|
|
NS_ADDREF(*aRowNode);
|
|
|
|
XMLT_LOG(mozXMLTermSession::GetRow,61,("returning\n"));
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Positions cursor to specified screen row/col position
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::PositionScreenCursor(PRInt32 aRow,
|
|
PRInt32 aCol)
|
|
{
|
|
nsresult result;
|
|
|
|
XMLT_LOG(mozXMLTermSession::PositionScreenCursor,60,
|
|
("row=%d, col=%d\n",aRow,aCol));
|
|
|
|
// Get row node
|
|
nsCOMPtr<nsIDOMNode> rowNode;
|
|
result = GetRow(aRow, getter_AddRefs(rowNode));
|
|
if (NS_FAILED(result) || !rowNode)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIDOMNodeList> childNodes;
|
|
result = rowNode->GetChildNodes(getter_AddRefs(childNodes));
|
|
if (NS_FAILED(result) || !childNodes)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
PRUint32 nChildren = 0;
|
|
childNodes->GetLength(&nChildren);
|
|
XMLT_LOG(mozXMLTermSession::GetScreenText,60,("children=%d\n",nChildren));
|
|
|
|
PRUint16 nodeType;
|
|
PRUint32 j;
|
|
PRInt32 prevCols = 0;
|
|
PRInt32 textOffset = 0;
|
|
nsCOMPtr<nsIDOMNode> textNode = nsnull;
|
|
nsCOMPtr<nsIDOMNode> childNode;
|
|
nsAutoString text; text.SetLength(0);
|
|
|
|
for (j=0; j<nChildren; j++) {
|
|
result = childNodes->Item(j, getter_AddRefs(childNode));
|
|
if (NS_FAILED(result) || !childNode)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
result = childNode->GetNodeType(&nodeType);
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
|
|
XMLT_LOG(mozXMLTermSession::GetScreenText,60,
|
|
("j=%d, nodeType=%d\n", j, nodeType));
|
|
if (nodeType != nsIDOMNode::TEXT_NODE) {
|
|
nsCOMPtr<nsIDOMNode> temNode;
|
|
result = childNode->GetFirstChild(getter_AddRefs(temNode));
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
|
|
childNode = temNode;
|
|
|
|
result = childNode->GetNodeType(&nodeType);
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
PR_ASSERT(nodeType == nsIDOMNode::TEXT_NODE);
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMText> domText( do_QueryInterface(childNode) );
|
|
result = domText->GetData(text);
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
|
|
XMLT_LOG(mozXMLTermSession::GetScreenText,60,("prevCols=%d\n",prevCols));
|
|
|
|
if (prevCols+(PRInt32)text.Length() >= aCol) {
|
|
// Determine offset in current text element
|
|
textOffset = aCol - prevCols;
|
|
textNode = childNode;
|
|
} else if (j == nChildren-1) {
|
|
// Position at end of line
|
|
textOffset = text.Length();
|
|
textNode = childNode;
|
|
}
|
|
}
|
|
|
|
// Get selection
|
|
nsCOMPtr<nsISelection> selection;
|
|
|
|
nsCOMPtr<nsISelectionController> selCon;
|
|
result = mXMLTerminal->GetSelectionController(getter_AddRefs(selCon));
|
|
if (NS_FAILED(result) || !selCon)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
result = selCon->GetSelection(nsISelectionController::SELECTION_NORMAL,
|
|
getter_AddRefs(selection));
|
|
|
|
if (NS_SUCCEEDED(result) && selection) {
|
|
// Collapse selection to cursor position
|
|
result = selection->Collapse(textNode, textOffset);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Create a PRE element with attributes NAME="row", CLASS="row",
|
|
* containing an empty text node, and insert it as a
|
|
* child of the SCREEN element before beforeRowNode, or at the
|
|
* end if beforeRowNode is null.
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::NewRow(nsIDOMNode* beforeRowNode,
|
|
nsIDOMNode** resultNode)
|
|
{
|
|
nsresult result;
|
|
|
|
XMLT_LOG(mozXMLTermSession::NewRow,60,("\n"));
|
|
|
|
// Create PRE display node
|
|
nsCOMPtr<nsIDOMNode> preNode, textNode;
|
|
nsAutoString tagName(NS_LITERAL_STRING("pre"));
|
|
nsAutoString elementName(NS_LITERAL_STRING("row"));
|
|
|
|
result = NewElementWithText(tagName, elementName, -1,
|
|
mScreenNode, preNode, textNode);
|
|
|
|
if (NS_FAILED(result) || !preNode || !textNode)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Set PRE element attributes
|
|
nsCOMPtr<nsIDOMElement> preElement = do_QueryInterface(preNode);
|
|
nsAutoString att(NS_LITERAL_STRING("cols"));
|
|
nsAutoString val; val.SetLength(0);
|
|
val.AppendInt(mScreenCols,10);
|
|
preElement->SetAttribute(att, val);
|
|
|
|
att.AssignLiteral("rows");
|
|
val.AssignLiteral("1");
|
|
preElement->SetAttribute(att, val);
|
|
|
|
if (beforeRowNode) {
|
|
// Insert row node
|
|
result = mScreenNode->InsertBefore(preNode, beforeRowNode, resultNode);
|
|
} else {
|
|
// Append row node
|
|
result = mScreenNode->AppendChild(preNode, resultNode);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Displays screen output string with specified style
|
|
* @param aString string to be processed
|
|
* @param aStyle style values for string (see lineterm.h)
|
|
* (if it is a null string, STDOUT style is assumed)
|
|
* @param aRow row in which to insert string
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::DisplayRow(const nsString& aString,
|
|
const nsString& aStyle,
|
|
PRInt32 aRow)
|
|
{
|
|
nsresult result;
|
|
|
|
const PRInt32 strLength = aString.Length();
|
|
const PRInt32 styleLength = aStyle.Length();
|
|
const PRUnichar *strStyle = aStyle.get();
|
|
|
|
XMLT_LOG(mozXMLTermSession::DisplayRow,70,
|
|
("aRow=%d, strLength=%d, styleLength=%d\n",
|
|
aRow, strLength, styleLength));
|
|
|
|
// Check if line has uniform style
|
|
PRUnichar uniformStyle = LTERM_STDOUT_STYLE;
|
|
|
|
if (styleLength > 0) {
|
|
PRInt32 j;
|
|
|
|
PR_ASSERT(styleLength == strLength);
|
|
|
|
uniformStyle = strStyle[0];
|
|
|
|
for (j=1; j<strLength; j++) {
|
|
if (strStyle[j] != strStyle[0]) {
|
|
uniformStyle = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMNode> rowNode;
|
|
result = GetRow(aRow, getter_AddRefs(rowNode));
|
|
if (NS_FAILED(result) || !rowNode)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIDOMNodeList> childNodes;
|
|
result = rowNode->GetChildNodes(getter_AddRefs(childNodes));
|
|
if (NS_FAILED(result) || !childNodes)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
PRUint32 nChildren = 0;
|
|
childNodes->GetLength(&nChildren);
|
|
|
|
XMLT_LOG(mozXMLTermSession::DisplayRow,79,("nChildren=%d\n", nChildren));
|
|
|
|
if ((nChildren == 1) && (uniformStyle == LTERM_STDOUT_STYLE)) {
|
|
// Get child node
|
|
nsCOMPtr<nsIDOMNode> childNode;
|
|
|
|
result = rowNode->GetFirstChild(getter_AddRefs(childNode));
|
|
if (NS_FAILED(result) || !childNode)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIDOMText> domText( do_QueryInterface(childNode) );
|
|
if (domText) {
|
|
// Display uniform style
|
|
result = SetDOMText(childNode, aString);
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
// Delete all child nodes for the row
|
|
nsCOMPtr<nsIDOMNode> childNode;
|
|
PRInt32 j;
|
|
for (j=nChildren-1; j>=0; j--) {
|
|
result = childNodes->Item(j, getter_AddRefs(childNode));
|
|
if (NS_FAILED(result) || !childNode)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIDOMNode> resultNode;
|
|
result = rowNode->RemoveChild(childNode, getter_AddRefs(resultNode));
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMNode> spanNode, textNode;
|
|
nsAutoString tagName(NS_LITERAL_STRING("span"));
|
|
nsAutoString elementName;
|
|
nsAutoString subString;
|
|
PRInt32 k;
|
|
PRUnichar currentStyle = LTERM_STDOUT_STYLE;
|
|
if (styleLength > 0)
|
|
currentStyle = strStyle[0];
|
|
PRInt32 offset = 0;
|
|
offset = 0;
|
|
|
|
PR_ASSERT(strLength > 0);
|
|
|
|
for (k=1; k<strLength+1; k++) {
|
|
if ((k == strLength) || ((k < styleLength) &&
|
|
(strStyle[k] != currentStyle)) ) {
|
|
// Change of style or end of string
|
|
|
|
if (currentStyle == LTERM_STDOUT_STYLE) {
|
|
// Create text node
|
|
result = NewTextNode(rowNode, textNode);
|
|
if (NS_FAILED(result) || !textNode)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
} else {
|
|
// Span Node
|
|
|
|
switch (currentStyle) {
|
|
case LTERM_STDOUT_STYLE | LTERM_BOLD_STYLE:
|
|
elementName.AssignLiteral("boldstyle");
|
|
break;
|
|
case LTERM_STDOUT_STYLE | LTERM_ULINE_STYLE:
|
|
elementName.AssignLiteral("underlinestyle");
|
|
break;
|
|
case LTERM_STDOUT_STYLE | LTERM_BLINK_STYLE:
|
|
elementName.AssignLiteral("blinkstyle");
|
|
break;
|
|
case LTERM_STDOUT_STYLE | LTERM_INVERSE_STYLE:
|
|
elementName.AssignLiteral("inversestyle");
|
|
break;
|
|
default:
|
|
elementName.AssignLiteral("boldstyle");
|
|
break;
|
|
}
|
|
|
|
result = NewElementWithText(tagName, elementName, -1,
|
|
rowNode, spanNode, textNode);
|
|
|
|
if (NS_FAILED(result) || !spanNode || !textNode)
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
aString.Mid(subString, offset, k-offset);
|
|
result = SetDOMText(textNode, subString);
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
|
|
if (k < styleLength) {
|
|
// Change style
|
|
currentStyle = strStyle[k];
|
|
offset = k;
|
|
}
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Append a BR element as the next child of specified parent.
|
|
* @param parentNode parent node for BR element
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::NewBreak(nsIDOMNode* parentNode)
|
|
{
|
|
nsresult result;
|
|
nsAutoString tagName(NS_LITERAL_STRING("br"));
|
|
|
|
XMLT_LOG(mozXMLTermSession::NewBreak,60,("\n"));
|
|
|
|
// Create "br" element and append as child of specified parent
|
|
nsCOMPtr<nsIDOMNode> brNode;
|
|
nsAutoString name; name.SetLength(0);
|
|
result = NewElement(tagName, name, -1, parentNode, brNode);
|
|
|
|
if (NS_FAILED(result) || !brNode)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Create an empty block element with tag name tagName with attributes
|
|
* NAME="name", CLASS="name", and ID="name#", and appends it as a child of
|
|
* the specified parent. ("#" denotes the specified number)
|
|
* Also create an empty text node inside the new block element.
|
|
* @param tagName tag name of element
|
|
* @param name name and class of element
|
|
* (If zero-length string, then no attributes are set)
|
|
* @param number numeric suffix for element ID
|
|
* (If < 0, no ID attribute is defined)
|
|
* @param parentNode parent node for element
|
|
* @param blockNode (output) block-level DOM node for created element
|
|
* @param textNode (output) child text DOM node of element
|
|
* @param beforeNode child node before which to insert new node
|
|
* if null, insert after last child node
|
|
* (default value is null)
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::NewElementWithText(const nsString& tagName,
|
|
const nsString& name, PRInt32 number,
|
|
nsIDOMNode* parentNode,
|
|
nsCOMPtr<nsIDOMNode>& blockNode,
|
|
nsCOMPtr<nsIDOMNode>& textNode,
|
|
nsIDOMNode* beforeNode)
|
|
{
|
|
nsresult result;
|
|
|
|
XMLT_LOG(mozXMLTermSession::NewElementWithText,80,("\n"));
|
|
|
|
// Create block element
|
|
result = NewElement(tagName, name, number, parentNode, blockNode,
|
|
beforeNode);
|
|
if (NS_FAILED(result) || !blockNode)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Create text node as child of block element
|
|
result = NewTextNode(blockNode, textNode);
|
|
|
|
if (NS_FAILED(result) || !textNode)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Creates an empty anchor (A) element with tag name tagName with attributes
|
|
* CLASS="classAttribute", and ID="classAttribute#", and appends it as a
|
|
* child of the specified parent. ("#" denotes the specified number)
|
|
* @param classAttribute class attribute of anchor element
|
|
* (If zero-length string, then no attributes are set)
|
|
* @param number numeric suffix for element ID
|
|
* (If < 0, no ID attribute is defined)
|
|
* @param parentNode parent node for element
|
|
* @param anchorNode (output) DOM node for created anchor element
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::NewAnchor(const nsString& classAttribute,
|
|
PRInt32 number,
|
|
nsIDOMNode* parentNode,
|
|
nsCOMPtr<nsIDOMNode>& anchorNode)
|
|
{
|
|
nsresult result;
|
|
nsAutoString tagName(NS_LITERAL_STRING("a"));
|
|
|
|
XMLT_LOG(mozXMLTermSession::NewAnchor,80,("\n"));
|
|
|
|
nsCOMPtr<nsIDOMDocument> domDoc;
|
|
result = mXMLTerminal->GetDOMDocument(getter_AddRefs(domDoc));
|
|
if (NS_FAILED(result) || !domDoc)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Create anchor
|
|
nsCOMPtr<nsIDOMElement> newElement;
|
|
result = domDoc->CreateElement(tagName, getter_AddRefs(newElement));
|
|
if (NS_FAILED(result) || !newElement)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Set element attributes
|
|
nsAutoString hrefAtt(NS_LITERAL_STRING("href"));
|
|
nsAutoString hrefVal(NS_LITERAL_STRING("#"));
|
|
newElement->SetAttribute(hrefAtt, hrefVal);
|
|
|
|
if (!classAttribute.IsEmpty()) {
|
|
nsAutoString classStr(NS_LITERAL_STRING("class"));
|
|
newElement->SetAttribute(classStr, classAttribute);
|
|
|
|
if (number >= 0) {
|
|
nsAutoString idAtt(NS_LITERAL_STRING("id"));
|
|
nsAutoString idVal(classAttribute);
|
|
idVal.AppendInt(number,10);
|
|
newElement->SetAttribute(idAtt, idVal);
|
|
}
|
|
}
|
|
|
|
// Append child to parent
|
|
nsCOMPtr<nsIDOMNode> newBlockNode = do_QueryInterface(newElement);
|
|
result = parentNode->AppendChild(newBlockNode, getter_AddRefs(anchorNode));
|
|
if (NS_FAILED(result) || !anchorNode)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Creates an empty block element with tag name tagName with attributes
|
|
* NAME="name", CLASS="name", and ID="name#", and appends it as a child of
|
|
* the specified parent. ("#" denotes the specified number)
|
|
* @param tagName tag name of element
|
|
* @param name name and class of element
|
|
* (If zero-length string, then no attributes are set)
|
|
* @param number numeric suffix for element ID
|
|
* (If < 0, no ID attribute is defined)
|
|
* @param parentNode parent node for element
|
|
* @param blockNode (output) block-level DOM node for created element
|
|
* @param beforeNode child node before which to insert new node
|
|
* if null, insert after last child node
|
|
* (default value is null)
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::NewElement(const nsString& tagName,
|
|
const nsString& name, PRInt32 number,
|
|
nsIDOMNode* parentNode,
|
|
nsCOMPtr<nsIDOMNode>& blockNode,
|
|
nsIDOMNode* beforeNode)
|
|
{
|
|
nsresult result;
|
|
|
|
XMLT_LOG(mozXMLTermSession::NewElement,80,("\n"));
|
|
|
|
nsCOMPtr<nsIDOMDocument> domDoc;
|
|
result = mXMLTerminal->GetDOMDocument(getter_AddRefs(domDoc));
|
|
if (NS_FAILED(result) || !domDoc)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Create element
|
|
nsCOMPtr<nsIDOMElement> newElement;
|
|
result = domDoc->CreateElement(tagName, getter_AddRefs(newElement));
|
|
if (NS_FAILED(result) || !newElement)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
if (!name.IsEmpty()) {
|
|
// Set attributes
|
|
nsAutoString classAtt(NS_LITERAL_STRING("class"));
|
|
nsAutoString classVal(name);
|
|
newElement->SetAttribute(classAtt, classVal);
|
|
|
|
nsAutoString nameAtt(NS_LITERAL_STRING("name"));
|
|
nsAutoString nameVal(name);
|
|
newElement->SetAttribute(nameAtt, nameVal);
|
|
|
|
if (number >= 0) {
|
|
nsAutoString idAtt(NS_LITERAL_STRING("id"));
|
|
nsAutoString idVal(name);
|
|
idVal.AppendInt(number,10);
|
|
newElement->SetAttribute(idAtt, idVal);
|
|
}
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMNode> newBlockNode = do_QueryInterface(newElement);
|
|
|
|
if (beforeNode) {
|
|
// Insert child
|
|
result = parentNode->InsertBefore(newBlockNode, beforeNode,
|
|
getter_AddRefs(blockNode));
|
|
if (NS_FAILED(result) || !blockNode)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
} else {
|
|
// Append child
|
|
result = parentNode->AppendChild(newBlockNode, getter_AddRefs(blockNode));
|
|
if (NS_FAILED(result) || !blockNode)
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Creates a new DOM text node, and appends it as a child of the
|
|
* specified parent.
|
|
* @param parentNode parent node for element
|
|
* @param textNode (output) created text DOM node
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::NewTextNode( nsIDOMNode* parentNode,
|
|
nsCOMPtr<nsIDOMNode>& textNode)
|
|
{
|
|
nsresult result;
|
|
|
|
XMLT_LOG(mozXMLTermSession::NewTextNode,80,("\n"));
|
|
|
|
nsCOMPtr<nsIDOMDocument> domDoc;
|
|
result = mXMLTerminal->GetDOMDocument(getter_AddRefs(domDoc));
|
|
if (NS_FAILED(result) || !domDoc)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Create text node
|
|
nsCOMPtr<nsIDOMText> newText;
|
|
nsAutoString nullStr; nullStr.SetLength(0);
|
|
result = domDoc->CreateTextNode(nullStr, getter_AddRefs(newText));
|
|
if (NS_FAILED(result) || !newText)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Append child to parent
|
|
nsCOMPtr<nsIDOMNode> newTextNode = do_QueryInterface(newText);
|
|
result = parentNode->AppendChild(newTextNode, getter_AddRefs(textNode));
|
|
if (NS_FAILED(result))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Creates a new IFRAME element with attribute NAME="iframe#",
|
|
* and appends it as a child of the specified parent.
|
|
* ("#" denotes the specified number)
|
|
* @param parentNode parent node for element
|
|
* @param number numeric suffix for element ID
|
|
* (If < 0, no name attribute is defined)
|
|
* @param frameBorder IFRAME FRAMEBORDER attribute
|
|
* @param src IFRAME SRC attribute
|
|
* @param width IFRAME width attribute
|
|
* @param height IFRAME height attribute
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::NewIFrame(nsIDOMNode* parentNode,
|
|
PRInt32 number,
|
|
PRInt32 frameBorder,
|
|
const nsString& src,
|
|
const nsString& width,
|
|
const nsString& height)
|
|
|
|
{
|
|
nsresult result;
|
|
|
|
XMLT_LOG(mozXMLTermSession::NewIFrame,80,("\n"));
|
|
|
|
nsCOMPtr<nsIDOMDocument> domDoc;
|
|
result = mXMLTerminal->GetDOMDocument(getter_AddRefs(domDoc));
|
|
if (NS_FAILED(result) || !domDoc)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
#if 0
|
|
nsAutoString iframeFrag("<iframe name='iframe");
|
|
iframeFrag.Append(number,10);
|
|
iframeFrag.Append("' frameborder=")
|
|
iframeFrag.Append(frameBorder,10);
|
|
iframeFrag.Append(" src='");
|
|
iframeFrag.Append(src)
|
|
iframeFrag.Append("'> </iframe>\n");
|
|
result = InsertFragment(iframeFrag, parentNode, number);
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
|
|
return NS_OK;
|
|
#else
|
|
// Create IFRAME element
|
|
nsCOMPtr<nsIDOMElement> newElement;
|
|
nsAutoString tagName(NS_LITERAL_STRING("iframe"));
|
|
result = domDoc->CreateElement(tagName, getter_AddRefs(newElement));
|
|
if (NS_FAILED(result) || !newElement)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsAutoString attName, attValue;
|
|
|
|
// Set attributes
|
|
if (number >= 0) {
|
|
attName.AssignLiteral("name");
|
|
attValue.AssignLiteral("iframe");
|
|
attValue.AppendInt(number,10);
|
|
newElement->SetAttribute(attName, attValue);
|
|
}
|
|
|
|
attName.AssignLiteral("frameborder");
|
|
attValue.SetLength(0);
|
|
attValue.AppendInt(frameBorder,10);
|
|
newElement->SetAttribute(attName, attValue);
|
|
|
|
if (!src.IsEmpty()) {
|
|
// Set SRC attribute
|
|
attName.AssignLiteral("src");
|
|
newElement->SetAttribute(attName, src);
|
|
}
|
|
|
|
if (!width.IsEmpty()) {
|
|
// Set WIDTH attribute
|
|
attName.AssignLiteral("width");
|
|
newElement->SetAttribute(attName, width);
|
|
}
|
|
|
|
if (!height.IsEmpty()) {
|
|
// Set HEIGHT attribute
|
|
attName.AssignLiteral("height");
|
|
newElement->SetAttribute(attName, height);
|
|
}
|
|
|
|
// Append child to parent
|
|
nsCOMPtr<nsIDOMNode> iframeNode;
|
|
nsCOMPtr<nsIDOMNode> newNode = do_QueryInterface(newElement);
|
|
result = parentNode->AppendChild(newNode, getter_AddRefs(iframeNode));
|
|
if (NS_FAILED(result) || !iframeNode)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
return NS_OK;
|
|
#endif
|
|
}
|
|
|
|
|
|
/** Add event attributes (onclick, ...) to DOM node
|
|
* @param name name of DOM node (supplied as argument to the event handler)
|
|
* @param number entry number (supplied as argument to the event handler)
|
|
* @param domNode DOM node to be modified
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::SetEventAttributes(const nsString& name,
|
|
PRInt32 number,
|
|
nsCOMPtr<nsIDOMNode>& domNode)
|
|
{
|
|
nsresult result;
|
|
|
|
nsCOMPtr <nsIDOMElement> domElement = do_QueryInterface(domNode);
|
|
if (!domElement)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
int j;
|
|
for (j=0; j<SESSION_EVENT_TYPES; j++) {
|
|
nsAutoString attName(NS_LITERAL_STRING("on"));
|
|
attName.AppendASCII(sessionEventNames[j]);
|
|
|
|
nsAutoString attValue(NS_LITERAL_STRING("return HandleEvent(event, '"));
|
|
attValue.AppendASCII(sessionEventNames[j]);
|
|
attValue.AppendLiteral("','");
|
|
attValue.Append(name);
|
|
attValue.AppendLiteral("','");
|
|
attValue.AppendInt(number,10);
|
|
attValue.Append(NS_LITERAL_STRING("','');"));
|
|
|
|
result = domElement->SetAttribute(attName, attValue);
|
|
if (NS_FAILED(result))
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Sets text content of a DOM node to supplied string
|
|
* @param textNode DOM text node to be modified
|
|
* @param aString string to be inserted
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::SetDOMText(nsCOMPtr<nsIDOMNode>& textNode,
|
|
const nsString& aString)
|
|
{
|
|
nsresult result;
|
|
|
|
nsCOMPtr<nsIDOMText> domText (do_QueryInterface(textNode));
|
|
if (!domText)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
result = domText->SetData(aString);
|
|
|
|
return result;
|
|
}
|
|
|
|
|
|
/** Checks if node is a text node
|
|
* @param aNode DOM node to be checked
|
|
* @return PR_TRUE if node is a text node
|
|
*/
|
|
PRBool mozXMLTermSession::IsTextNode(nsIDOMNode *aNode)
|
|
{
|
|
if (!aNode) {
|
|
NS_NOTREACHED("null node passed to IsTextNode()");
|
|
return PR_FALSE;
|
|
}
|
|
|
|
XMLT_LOG(mozXMLTermSession::IsTextNode,90,("\n"));
|
|
|
|
PRUint16 nodeType;
|
|
aNode->GetNodeType(&nodeType);
|
|
if (nodeType == nsIDOMNode::TEXT_NODE)
|
|
return PR_TRUE;
|
|
|
|
return PR_FALSE;
|
|
}
|
|
|
|
|
|
/** Checks if node is a text, span, or anchor node
|
|
* (i.e., allowed inside a PRE element)
|
|
* @param aNode DOM node to be checked
|
|
* @return PR_TRUE if node is a text, span or anchor node
|
|
*/
|
|
PRBool mozXMLTermSession::IsPREInlineNode(nsIDOMNode* aNode)
|
|
{
|
|
nsresult result;
|
|
PRBool isPREInlineNode = PR_FALSE;
|
|
|
|
nsCOMPtr<nsIDOMText> domText = do_QueryInterface(aNode);
|
|
|
|
if (domText) {
|
|
isPREInlineNode = PR_TRUE;
|
|
|
|
} else {
|
|
nsCOMPtr<nsIDOMElement> domElement = do_QueryInterface(aNode);
|
|
|
|
if (domElement) {
|
|
nsAutoString tagName; tagName.SetLength(0);
|
|
result = domElement->GetTagName(tagName);
|
|
if (NS_SUCCEEDED(result)) {
|
|
isPREInlineNode = tagName.LowerCaseEqualsLiteral("span") ||
|
|
tagName.LowerCaseEqualsLiteral("a");
|
|
}
|
|
}
|
|
}
|
|
|
|
return isPREInlineNode;
|
|
}
|
|
|
|
|
|
/** Serializes DOM node and its content as an HTML fragment string
|
|
* @param aNode DOM node to be serialized
|
|
* @param indentString indentation prefix string
|
|
* @param htmlString (output) serialized HTML fragment
|
|
* @param deepContent if PR_TRUE, serialize children of node as well
|
|
* (defaults to PR_FALSE)
|
|
* @param insidePREnode set to PR_TRUE if aNode is embedded inside a PRE node
|
|
* control formatting
|
|
* (defaults to PR_FALSE)
|
|
*/
|
|
NS_IMETHODIMP mozXMLTermSession::ToHTMLString(nsIDOMNode* aNode,
|
|
nsString& indentString,
|
|
nsString& htmlString,
|
|
PRBool deepContent,
|
|
PRBool insidePRENode)
|
|
{
|
|
nsresult result;
|
|
|
|
XMLT_LOG(mozXMLTermSession::ToHTMLString,80,("\n"));
|
|
|
|
nsAutoString newIndentString (indentString);
|
|
newIndentString.AppendLiteral(" ");
|
|
|
|
htmlString.SetLength(0);
|
|
|
|
nsCOMPtr<nsIDOMText> domText( do_QueryInterface(aNode) );
|
|
|
|
if (domText) {
|
|
// Text node
|
|
domText->GetData(htmlString);
|
|
htmlString.ReplaceChar(kNBSP, ' ');
|
|
|
|
} else {
|
|
nsCOMPtr<nsIDOMElement> domElement = do_QueryInterface(aNode);
|
|
|
|
if (domElement) {
|
|
nsAutoString tagName; tagName.SetLength(0);
|
|
domElement->GetTagName(tagName);
|
|
|
|
if (!insidePRENode) {
|
|
htmlString += indentString;
|
|
}
|
|
htmlString.AppendLiteral("<");
|
|
htmlString += tagName;
|
|
|
|
PRBool isPRENode = tagName.LowerCaseEqualsLiteral("pre");
|
|
|
|
nsCOMPtr<nsIDOMNamedNodeMap> namedNodeMap(nsnull);
|
|
result = aNode->GetAttributes(getter_AddRefs(namedNodeMap));
|
|
|
|
if (NS_SUCCEEDED(result) && namedNodeMap) {
|
|
// Print all attributes
|
|
PRUint32 nodeCount, j;
|
|
result = namedNodeMap->GetLength(&nodeCount);
|
|
|
|
if (NS_SUCCEEDED(result)) {
|
|
nsCOMPtr<nsIDOMNode> attrNode;
|
|
|
|
for (j=0; j<nodeCount; j++) {
|
|
result = namedNodeMap->Item(j, getter_AddRefs(attrNode));
|
|
|
|
if (NS_SUCCEEDED(result)) {
|
|
nsCOMPtr<nsIDOMAttr> attr = do_QueryInterface(attrNode);
|
|
|
|
if (attr) {
|
|
nsAutoString attrName; attrName.SetLength(0);
|
|
nsAutoString attrValue; attrValue.SetLength(0);
|
|
|
|
result = attr->GetName(attrName);
|
|
if (NS_SUCCEEDED(result)) {
|
|
htmlString.AppendLiteral(" ");
|
|
htmlString.Append(attrName);
|
|
}
|
|
|
|
result = attr->GetValue(attrValue);
|
|
if (NS_SUCCEEDED(result) && !attrName.IsEmpty()) {
|
|
htmlString.AppendLiteral("=\"");
|
|
htmlString.Append(attrValue);
|
|
htmlString.AppendLiteral("\"");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!deepContent) {
|
|
htmlString.AppendLiteral(">");
|
|
|
|
} else {
|
|
// Iterate over all child nodes to generate deep content
|
|
nsCOMPtr<nsIDOMNode> child;
|
|
result = aNode->GetFirstChild(getter_AddRefs(child));
|
|
|
|
nsAutoString htmlInner;
|
|
while (child) {
|
|
nsAutoString innerString;
|
|
ToHTMLString(child, newIndentString, innerString, deepContent,
|
|
isPRENode);
|
|
|
|
htmlInner += innerString;
|
|
|
|
nsCOMPtr<nsIDOMNode> temp = child;
|
|
result = temp->GetNextSibling(getter_AddRefs(child));
|
|
if (NS_FAILED(result))
|
|
break;
|
|
}
|
|
|
|
if (!htmlInner.IsEmpty()) {
|
|
if (insidePRENode)
|
|
htmlString.AppendLiteral("\n>");
|
|
else
|
|
htmlString.AppendLiteral(">\n");
|
|
|
|
htmlString += htmlInner;
|
|
|
|
if (!insidePRENode)
|
|
htmlString += indentString;
|
|
} else {
|
|
htmlString.AppendLiteral(">");
|
|
}
|
|
|
|
htmlString.AppendLiteral("</");
|
|
htmlString += tagName;
|
|
|
|
if (insidePRENode)
|
|
htmlString.AppendLiteral("\n");
|
|
htmlString.AppendLiteral(">");
|
|
|
|
if (!insidePRENode)
|
|
htmlString.AppendLiteral("\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** Implements the "tree:" meta command to traverse DOM tree
|
|
* @param fileStream file stream for displaying tree traversal output
|
|
* @param rootNode root node of DOM tree
|
|
* @param currentNode current node for traversal
|
|
* @param treeActionCode traversal action type
|
|
*/
|
|
void mozXMLTermSession::TraverseDOMTree(FILE* fileStream,
|
|
nsIDOMNode* rootNode,
|
|
nsCOMPtr<nsIDOMNode>& currentNode,
|
|
TreeActionCode treeActionCode)
|
|
{
|
|
static const PRInt32 NODE_TYPE_NAMES = 12;
|
|
|
|
static const char* const nodeTypeNames[NODE_TYPE_NAMES] = {
|
|
"ELEMENT",
|
|
"ATTRIBUTE",
|
|
"TEXT",
|
|
"CDATA_SECTION",
|
|
"ENTITY_REFERENCE",
|
|
"ENTITY_NODE",
|
|
"PROCESSING_INSTRUCTION",
|
|
"COMMENT",
|
|
"DOCUMENT",
|
|
"DOCUMENT_TYPE",
|
|
"DOCUMENT_FRAGMENT",
|
|
"NOTATION_NODE"
|
|
};
|
|
|
|
static const PRInt32 PRINT_ATTRIBUTE_NAMES = 2;
|
|
|
|
static const char* const printAttributeNames[PRINT_ATTRIBUTE_NAMES] = {
|
|
"class",
|
|
"id"
|
|
};
|
|
|
|
nsresult result = NS_ERROR_FAILURE;
|
|
nsCOMPtr<nsIDOMNode> moveNode(nsnull);
|
|
nsCOMPtr<nsIDOMNamedNodeMap> namedNodeMap(nsnull);
|
|
|
|
switch (treeActionCode) {
|
|
case TREE_MOVE_UP:
|
|
if (currentNode.get() != rootNode) {
|
|
result = currentNode->GetParentNode(getter_AddRefs(moveNode));
|
|
|
|
if (NS_SUCCEEDED(result) && moveNode) {
|
|
// Move up to parent node
|
|
currentNode = moveNode;
|
|
}
|
|
|
|
} else {
|
|
fprintf(fileStream, "TraverseDOMTree: already at the root node \n");
|
|
}
|
|
break;
|
|
|
|
case TREE_MOVE_DOWN:
|
|
result = currentNode->GetFirstChild(getter_AddRefs(moveNode));
|
|
|
|
if (NS_SUCCEEDED(result) && moveNode) {
|
|
// Move down to child node
|
|
currentNode = moveNode;
|
|
} else {
|
|
fprintf(fileStream, "TraverseDOMTree: already at a leaf node\n");
|
|
}
|
|
break;
|
|
|
|
case TREE_MOVE_LEFT:
|
|
if (currentNode.get() != rootNode) {
|
|
result = currentNode->GetPreviousSibling(getter_AddRefs(moveNode));
|
|
|
|
if (NS_SUCCEEDED(result) && moveNode) {
|
|
// Move to previous sibling node
|
|
currentNode = moveNode;
|
|
} else {
|
|
fprintf(fileStream, "TraverseDOMTree: already at leftmost node\n");
|
|
}
|
|
} else {
|
|
fprintf(fileStream, "TraverseDOMTree: already at the root node \n");
|
|
}
|
|
break;
|
|
|
|
case TREE_MOVE_RIGHT:
|
|
if (currentNode.get() != rootNode) {
|
|
result = currentNode->GetNextSibling(getter_AddRefs(moveNode));
|
|
|
|
if (NS_SUCCEEDED(result) && moveNode) {
|
|
// Move to next sibling node
|
|
currentNode = moveNode;
|
|
} else {
|
|
fprintf(fileStream, "TraverseDOMTree: already at rightmost node\n");
|
|
}
|
|
} else {
|
|
fprintf(fileStream, "TraverseDOMTree: already at the root node \n");
|
|
}
|
|
break;
|
|
|
|
case TREE_PRINT_ATTS:
|
|
case TREE_PRINT_HTML:
|
|
if (PR_TRUE) {
|
|
nsAutoString indentString; indentString.SetLength(0);
|
|
nsAutoString htmlString;
|
|
ToHTMLString(currentNode, indentString, htmlString,
|
|
(PRBool) (treeActionCode == TREE_PRINT_HTML) );
|
|
|
|
fprintf(fileStream, "%s:\n", treeActionNames[treeActionCode-1]);
|
|
|
|
char* htmlCString = ToNewCString(htmlString);
|
|
fprintf(fileStream, "%s", htmlCString);
|
|
nsCRT::free(htmlCString);
|
|
|
|
fprintf(fileStream, "\n");
|
|
}
|
|
break;
|
|
|
|
default:
|
|
fprintf(fileStream, "mozXMLTermSession::TraverseDOMTree - unknown action %d\n",
|
|
treeActionCode);
|
|
}
|
|
|
|
if (NS_SUCCEEDED(result) && moveNode) {
|
|
PRUint16 nodeType = 0;
|
|
|
|
moveNode->GetNodeType(&nodeType);
|
|
fprintf(fileStream, "%s%s: ", treeActionNames[treeActionCode-1],
|
|
nodeTypeNames[nodeType-1]);
|
|
|
|
nsCOMPtr<nsIDOMElement> domElement;
|
|
domElement = do_QueryInterface(moveNode);
|
|
if (domElement) {
|
|
nsAutoString tagName; tagName.SetLength(0);
|
|
|
|
result = domElement->GetTagName(tagName);
|
|
if (NS_SUCCEEDED(result)) {
|
|
char* tagCString = ToNewCString(tagName);
|
|
fprintf(fileStream, "%s", tagCString);
|
|
nsCRT::free(tagCString);
|
|
|
|
// Print selected attribute values
|
|
int j;
|
|
for (j=0; j<PRINT_ATTRIBUTE_NAMES; j++) {
|
|
nsAutoString attName; attName.AssignASCII (printAttributeNames[j]);
|
|
nsAutoString attValue;
|
|
attValue.SetLength(0);
|
|
|
|
result = domElement->GetAttribute(attName, attValue);
|
|
if (NS_SUCCEEDED(result) && !attValue.IsEmpty()) {
|
|
// Print attribute value
|
|
char* tagCString2 = ToNewCString(attValue);
|
|
fprintf(fileStream, " %s=%s", printAttributeNames[j], tagCString2);
|
|
nsCRT::free(tagCString2);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
fprintf(fileStream, "\n");
|
|
}
|
|
}
|