RetroZilla/extensions/transformiix/source/xslt/txMozillaXSLTProcessor.h

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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) 2002
* 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 ***** */
#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 "txXMLEventHandler.h"
#include "nsIXSLTProcessorObsolete.h"
#include "nsIXSLTProcessorPrivate.h"
#include "txXSLTProcessor.h"
#include "nsVoidArray.h"
#include "nsAutoPtr.h"
#include "nsIDocumentObserver.h"
#include "txNamespaceMap.h"
class nsIURI;
class nsIXMLContentSink;
class nsIDOMNode;
class nsIPrincipal;
class txResultRecycler;
/* 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=xslt"
#define XSLT_MSGS_URL "chrome://global/locale/xslt/xslt.properties"
class txVariable : public txIGlobalParameter
{
public:
txVariable(nsIVariant *aValue) : mValue(aValue)
{
NS_ASSERTION(aValue, "missing value");
}
txVariable(txAExprResult* aValue) : mTxValue(aValue)
{
NS_ASSERTION(aValue, "missing value");
}
nsresult getValue(txAExprResult** aValue)
{
NS_ASSERTION(mValue || mTxValue, "variablevalue is null");
if (!mTxValue) {
nsresult rv = Convert(mValue, getter_AddRefs(mTxValue));
NS_ENSURE_SUCCESS(rv, rv);
}
*aValue = mTxValue;
NS_ADDREF(*aValue);
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;
mTxValue = nsnull;
}
void setValue(txAExprResult* aValue)
{
NS_ASSERTION(aValue, "setting variablevalue to null");
mValue = nsnull;
mTxValue = aValue;
}
private:
static nsresult Convert(nsIVariant *aValue, txAExprResult** aResult);
nsCOMPtr<nsIVariant> mValue;
nsRefPtr<txAExprResult> mTxValue;
};
/**
* txMozillaXSLTProcessor is a front-end to the XSLT Processor.
*/
class txMozillaXSLTProcessor : public nsIXSLTProcessor,
public nsIXSLTProcessorObsolete,
public nsIXSLTProcessorPrivate,
public nsIDocumentTransformer,
public nsIDocumentTransformer_1_8_BRANCH,
public nsIDocumentObserver
{
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
// nsIXSLTProcessorPrivate interface
NS_DECL_NSIXSLTPROCESSORPRIVATE
// nsIDocumentTransformer interface
NS_IMETHOD SetTransformObserver(nsITransformObserver* aObserver);
NS_IMETHOD LoadStyleSheet(nsIURI* aUri, nsILoadGroup* aLoadGroup,
nsIPrincipal* aCallerPrincipal);
NS_IMETHOD SetSourceContentModel(nsIDOMNode* aSource);
NS_IMETHOD CancelLoads() {return NS_OK;};
NS_IMETHOD AddXSLTParamNamespace(const nsString& aPrefix,
const nsString& aNamespace);
NS_IMETHOD AddXSLTParam(const nsString& aName,
const nsString& aNamespace,
const nsString& aSelect,
const nsString& aValue,
nsIDOMNode* aContext);
// nsIDocumentObserver interface
NS_DECL_NSIDOCUMENTOBSERVER
nsresult setStylesheet(txStylesheet* aStylesheet);
void reportError(nsresult aResult, const PRUnichar *aErrorText,
const PRUnichar *aSourceText);
nsIDOMNode *GetSourceContentModel()
{
return mSource;
}
nsresult TransformToDoc(nsIDOMDocument *aOutputDoc,
nsIDOMDocument **aResult);
PRBool IsLoadDisabled()
{
return (mFlags & DISABLE_ALL_LOADS) != 0;
}
private:
nsresult DoTransform();
void notifyError();
nsresult ensureStylesheet();
nsRefPtr<txStylesheet> mStylesheet;
nsIDocument* mStylesheetDocument; // weak
nsCOMPtr<nsIContent> mEmbeddedStylesheetRoot;
nsCOMPtr<nsIDOMNode> mSource;
nsresult mTransformResult;
nsresult mCompileResult;
nsString mErrorText, mSourceText;
nsCOMPtr<nsITransformObserver> mObserver;
txExpandedNameMap mVariables;
txNamespaceMap mParamNamespaceMap;
nsRefPtr<txResultRecycler> mRecycler;
PRUint32 mFlags;
};
extern nsresult TX_LoadSheet(nsIURI* aUri, txMozillaXSLTProcessor* aProcessor,
nsILoadGroup* aLoadGroup,
nsIPrincipal* aCallerPrincipal);
extern nsresult TX_CompileStylesheet(nsIDOMNode* aNode,
txMozillaXSLTProcessor* aProcessor,
txStylesheet** aStylesheet);
#endif