Mozilla/mozilla/extensions/transformiix/source/xslt/txMozillaXSLTProcessor.h
2003-01-08 22:40:42 +00:00

147 lines
4.5 KiB
C++

/* -*- Mode: IDL; 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 mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2002
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Peter Van der Beken <peterv@netscape.com> (original author)
*
*
* 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 ***** */
#ifndef TRANSFRMX_TXMOZILLAXSLTPROCESSOR_H
#define TRANSFRMX_TXMOZILLAXSLTPROCESSOR_H
#include "ExprResult.h"
#include "nsIDocumentTransformer.h"
#include "nsIVariant.h"
#include "nsIXSLTProcessor.h"
#include "nsVoidArray.h"
#include "nsWeakPtr.h"
#include "txExpandedNameMap.h"
#include "XSLTProcessor.h"
#include "nsIDOMNode.h"
#include "txXMLEventHandler.h"
#include "nsIDOMDocument.h"
#include "nsIXSLTProcessorObsolete.h"
/* bacd8ad0-552f-11d3-a9f7-000064657374 */
#define TRANSFORMIIX_XSLT_PROCESSOR_CID \
{ 0xbacd8ad0, 0x552f, 0x11d3, {0xa9, 0xf7, 0x00, 0x00, 0x64, 0x65, 0x73, 0x74} }
#define TRANSFORMIIX_XSLT_PROCESSOR_CONTRACTID \
"@mozilla.org/document-transformer;1?type=text/xsl"
class txVariable : public txIGlobalParameter
{
public:
txVariable(nsIVariant *aValue) : mValue(aValue),
mTxValue(nsnull)
{
}
~txVariable()
{
delete mTxValue;
}
nsresult getValue(ExprResult** aValue)
{
NS_ASSERTION(mValue, "variablevalue is null");
if (!mTxValue) {
nsresult rv = Convert(mValue, &mTxValue);
NS_ENSURE_SUCCESS(rv, rv);
}
*aValue = mTxValue;
return NS_OK;
}
nsresult getValue(nsIVariant** aValue)
{
*aValue = mValue;
NS_ADDREF(*aValue);
return NS_OK;
}
void setValue(nsIVariant* aValue)
{
NS_ASSERTION(aValue, "setting variablevalue to null");
mValue = aValue;
delete mTxValue;
mTxValue = nsnull;
}
private:
static nsresult Convert(nsIVariant *aValue, ExprResult** aResult);
nsCOMPtr<nsIVariant> mValue;
ExprResult* mTxValue;
};
/**
* txMozillaXSLTProcessor is a front-end to the XSLT Processor.
*/
class txMozillaXSLTProcessor : public nsIXSLTProcessor,
public nsIXSLTProcessorObsolete,
public nsIDocumentTransformer
{
public:
/**
* Creates a new txMozillaXSLTProcessor
*/
txMozillaXSLTProcessor();
/**
* Default destructor for txMozillaXSLTProcessor
*/
virtual ~txMozillaXSLTProcessor();
// nsISupports interface
NS_DECL_ISUPPORTS
// nsIXSLTProcessor interface
NS_DECL_NSIXSLTPROCESSOR
// nsIXSLTProcessorObsolete interface
NS_DECL_NSIXSLTPROCESSOROBSOLETE
// nsIDocumentTransformer interface
NS_IMETHOD TransformDocument(nsIDOMNode *aSourceDOM,
nsIDOMNode *aStyleDOM,
nsITransformObserver *aObserver,
nsIDOMDocument **_retval);
protected:
nsCOMPtr<nsIDOMNode> mStylesheet;
txExpandedNameMap mVariables;
};
#endif