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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is TransforMiiX XSLT processor code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2001
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Peter Van der Beken <peterv@propagandism.org>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "txUnknownHandler.h"
#include "txExecutionState.h"
#include "txStringUtils.h"
#include "txStylesheet.h"
txUnknownHandler::txUnknownHandler(txExecutionState* aEs)
: mEs(aEs)
{
}
txUnknownHandler::~txUnknownHandler()
{
}
void txUnknownHandler::attribute(const nsAString& aName,
const PRInt32 aNsID,
const nsAString& aValue)
{
// If this is called then the stylesheet is trying to add an attribute
// without adding an element first. So we'll just ignore it.
// XXX ErrorReport: Signal this?
}
void txUnknownHandler::endDocument(nsresult aResult)
{
if (NS_FAILED(aResult)) {
return;
}
// This is an unusual case, no output method has been set and we
// didn't create a document element. Switching to XML output mode
// anyway.
// Make sure that mEs->mResultHandler == this is true, otherwise we'll
// leak mEs->mResultHandler in createHandlerAndFlush and we'll crash on
// the last line (delete this).
NS_ASSERTION(mEs->mResultHandler == this,
"We're leaking mEs->mResultHandler and are going to crash.");
nsresult rv = createHandlerAndFlush(eXMLOutput, EmptyString(),
kNameSpaceID_None);
if (NS_FAILED(rv))
return;
mEs->mResultHandler->endDocument(aResult);
delete this;
}
void txUnknownHandler::startElement(const nsAString& aName,
const PRInt32 aNsID)
{
// Make sure that mEs->mResultHandler == this is true, otherwise we'll
// leak mEs->mResultHandler in createHandlerAndFlush and we may crash
// later on trying to delete this handler again.
NS_ASSERTION(mEs->mResultHandler == this,
"We're leaking mEs->mResultHandler.");
nsresult rv = NS_OK;
txOutputFormat* format = mEs->mStylesheet->getOutputFormat();
if (format->mMethod != eMethodNotSet) {
rv = createHandlerAndFlush(format->mMethod, aName, aNsID);
}
else if (aNsID == kNameSpaceID_None &&
aName.Equals(NS_LITERAL_STRING("html"),
txCaseInsensitiveStringComparator())) {
rv = createHandlerAndFlush(eHTMLOutput, aName, aNsID);
}
else {
rv = createHandlerAndFlush(eXMLOutput, aName, aNsID);
}
if (NS_FAILED(rv))
return;
mEs->mResultHandler->startElement(aName, aNsID);
delete this;
}
nsresult txUnknownHandler::createHandlerAndFlush(txOutputMethod aMethod,
const nsAString& aName,
const PRInt32 aNsID)
{
NS_ENSURE_TRUE(mBuffer, NS_ERROR_NOT_INITIALIZED);
txOutputFormat format;
format.merge(*mEs->mStylesheet->getOutputFormat());
format.mMethod = aMethod;
txAXMLEventHandler *handler = nsnull;
nsresult rv = mEs->mOutputHandlerFactory->createHandlerWith(&format, aName,
aNsID,
&handler);
NS_ENSURE_SUCCESS(rv, rv);
mEs->mOutputHandler = handler;
mEs->mResultHandler = handler;
return mBuffer->flushToHandler(&handler);
}
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