gecko-dev/content/xbl/src/nsXBLContentSink.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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 Communicator client code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* David Hyatt <hyatt@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 NPL, 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 NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsXBLContentSink_h__
#define nsXBLContentSink_h__
#include "nsXMLContentSink.h"
#include "nsXBLDocumentInfo.h"
#include "nsXBLPrototypeHandler.h"
#include "nsXBLProtoImpl.h"
#include "nsICSSParser.h"
#include "nsLayoutCID.h"
typedef enum {
eXBL_InDocument,
eXBL_InBinding,
eXBL_InResources,
eXBL_InImplementation,
eXBL_InHandlers
} XBLPrimaryState;
typedef enum {
eXBL_None,
eXBL_InHandler,
eXBL_InMethod,
eXBL_InProperty,
eXBL_InField,
eXBL_InBody,
eXBL_InGetter,
eXBL_InSetter,
eXBL_InConstructor,
eXBL_InDestructor
} XBLSecondaryState;
class nsXULPrototypeElement;
class nsXBLProtoImplMember;
class nsXBLProtoImplProperty;
class nsXBLProtoImplMethod;
class nsXBLProtoImplField;
class nsXBLPrototypeBinding;
// The XBL content sink overrides the XML content sink to
// builds its own lightweight data structures for the <resources>,
// <handlers>, <implementation>, and
class nsXBLContentSink : public nsXMLContentSink {
public:
nsXBLContentSink();
~nsXBLContentSink();
nsresult Init(nsIDocument* aDoc,
nsIURI* aURL,
nsISupports* aContainer);
// nsIContentSink overrides
NS_IMETHOD HandleStartElement(const PRUnichar *aName,
const PRUnichar **aAtts,
PRUint32 aAttsCount,
PRUint32 aIndex,
PRUint32 aLineNumber);
NS_IMETHOD HandleEndElement(const PRUnichar *aName);
NS_IMETHOD HandleCDataSection(const PRUnichar *aData,
PRUint32 aLength);
protected:
// nsXMLContentSink overrides
PRBool OnOpenContainer(const PRUnichar **aAtts,
PRUint32 aAttsCount,
PRInt32 aNameSpaceID,
nsIAtom* aTagName);
nsresult CreateElement(const PRUnichar** aAtts, PRUint32 aAttsCount,
nsINodeInfo* aNodeInfo, PRUint32 aLineNumber,
nsIContent** aResult, PRBool* aAppendContent);
nsresult AddAttributes(const PRUnichar** aAtts,
nsIContent* aContent);
nsresult AddAttributesToXULPrototype(const PRUnichar **aAtts,
PRUint32 aAttsCount,
nsXULPrototypeElement* aElement);
// Our own helpers for constructing XBL prototype objects.
void ConstructBinding();
void ConstructHandler(const PRUnichar **aAtts);
void ConstructResource(const PRUnichar **aAtts, nsIAtom* aResourceType);
void ConstructImplementation(const PRUnichar **aAtts);
void ConstructProperty(const PRUnichar **aAtts);
void ConstructMethod(const PRUnichar **aAtts);
void ConstructParameter(const PRUnichar **aAtts);
void ConstructField(const PRUnichar **aAtts);
// nsXMLContentSink overrides
nsresult FlushText(PRBool aCreateTextNode=PR_TRUE,
PRBool* aDidFlush=nsnull);
// nsIExpatSink overrides
NS_IMETHOD ReportError(const PRUnichar* aErrorText,
const PRUnichar* aSourceText);
protected:
XBLPrimaryState mState;
XBLSecondaryState mSecondaryState;
nsIXBLDocumentInfo* mDocInfo;
PRBool mIsChromeOrResource; // For bug #45989
nsCOMPtr<nsICSSParser> mCSSParser; // [OWNER]
nsXBLPrototypeBinding* mBinding;
nsXBLPrototypeHandler* mHandler; // current handler, owned by its PrototypeBinding
nsXBLProtoImpl* mImplementation;
nsXBLProtoImplMember* mImplMember;
nsXBLProtoImplProperty* mProperty;
nsXBLProtoImplMethod* mMethod;
nsXBLProtoImplField* mField;
};
// This is also declared in nsSyncLoadService.cpp
nsresult
NS_NewXBLContentSink(nsIXMLContentSink** aResult,
nsIDocument* aDoc,
nsIURI* aURL,
nsISupports* aContainer);
#endif // nsXBLContentSink_h__