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183 lines
6.5 KiB
C
183 lines
6.5 KiB
C
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** 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 Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* David Hyatt <hyatt@netscape.com> (Original Author)
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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 of the GNU General Public License Version 2 or later (the "GPL"),
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* or 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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#ifndef nsXBLContentSink_h__
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#define nsXBLContentSink_h__
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#include "nsXMLContentSink.h"
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#include "nsXBLDocumentInfo.h"
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#include "nsXBLPrototypeHandler.h"
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#include "nsXBLProtoImpl.h"
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#include "nsICSSParser.h"
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#include "nsLayoutCID.h"
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/*
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* Enum that describes the primary state of the parsing process
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*/
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typedef enum {
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eXBL_InDocument, /* outside any bindings */
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eXBL_InBindings, /* Inside a <bindings> element */
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eXBL_InBinding, /* Inside a <binding> */
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eXBL_InResources, /* Inside a <resources> */
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eXBL_InImplementation, /* Inside a <implementation> */
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eXBL_InHandlers, /* Inside a <handlers> */
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eXBL_Error /* An error has occured. Suspend binding construction */
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} XBLPrimaryState;
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/*
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* Enum that describes our substate (typically when parsing something
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* like <handlers> or <implementation>).
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*/
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typedef enum {
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eXBL_None,
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eXBL_InHandler,
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eXBL_InMethod,
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eXBL_InProperty,
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eXBL_InField,
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eXBL_InBody,
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eXBL_InGetter,
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eXBL_InSetter,
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eXBL_InConstructor,
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eXBL_InDestructor
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} XBLSecondaryState;
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class nsXULPrototypeElement;
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class nsXBLProtoImplMember;
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class nsXBLProtoImplProperty;
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class nsXBLProtoImplMethod;
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class nsXBLProtoImplField;
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class nsXBLPrototypeBinding;
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// The XBL content sink overrides the XML content sink to
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// builds its own lightweight data structures for the <resources>,
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// <handlers>, <implementation>, and
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class nsXBLContentSink : public nsXMLContentSink {
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public:
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nsXBLContentSink();
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~nsXBLContentSink();
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NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW
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nsresult Init(nsIDocument* aDoc,
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nsIURI* aURL,
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nsISupports* aContainer);
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// nsIContentSink overrides
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NS_IMETHOD HandleStartElement(const PRUnichar *aName,
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const PRUnichar **aAtts,
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PRUint32 aAttsCount,
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PRInt32 aIndex,
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PRUint32 aLineNumber);
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NS_IMETHOD HandleEndElement(const PRUnichar *aName);
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NS_IMETHOD HandleCDataSection(const PRUnichar *aData,
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PRUint32 aLength);
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protected:
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// nsXMLContentSink overrides
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void MaybeStartLayout();
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PRBool OnOpenContainer(const PRUnichar **aAtts,
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PRUint32 aAttsCount,
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PRInt32 aNameSpaceID,
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nsIAtom* aTagName,
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PRUint32 aLineNumber);
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nsresult CreateElement(const PRUnichar** aAtts, PRUint32 aAttsCount,
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nsINodeInfo* aNodeInfo, PRUint32 aLineNumber,
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nsIContent** aResult, PRBool* aAppendContent);
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nsresult AddAttributes(const PRUnichar** aAtts,
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nsIContent* aContent);
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#ifdef MOZ_XUL
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nsresult AddAttributesToXULPrototype(const PRUnichar **aAtts,
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PRUint32 aAttsCount,
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nsXULPrototypeElement* aElement);
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#endif
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// Our own helpers for constructing XBL prototype objects.
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nsresult ConstructBinding();
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void ConstructHandler(const PRUnichar **aAtts, PRUint32 aLineNumber);
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void ConstructResource(const PRUnichar **aAtts, nsIAtom* aResourceType);
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void ConstructImplementation(const PRUnichar **aAtts);
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void ConstructProperty(const PRUnichar **aAtts);
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void ConstructMethod(const PRUnichar **aAtts);
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void ConstructParameter(const PRUnichar **aAtts);
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void ConstructField(const PRUnichar **aAtts, PRUint32 aLineNumber);
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// nsXMLContentSink overrides
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nsresult FlushText(PRBool aCreateTextNode=PR_TRUE,
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PRBool* aDidFlush=nsnull);
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// nsIExpatSink overrides
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NS_IMETHOD ReportError(const PRUnichar* aErrorText,
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const PRUnichar* aSourceText,
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nsIScriptError *aError,
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PRBool *_retval);
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protected:
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nsresult ReportUnexpectedElement(nsIAtom* aElementName, PRUint32 aLineNumber);
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void AddMember(nsXBLProtoImplMember* aMember);
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XBLPrimaryState mState;
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XBLSecondaryState mSecondaryState;
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nsIXBLDocumentInfo* mDocInfo;
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PRPackedBool mIsChromeOrResource; // For bug #45989
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PRPackedBool mFoundFirstBinding;
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nsXBLPrototypeBinding* mBinding;
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nsXBLPrototypeHandler* mHandler; // current handler, owned by its PrototypeBinding
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nsXBLProtoImpl* mImplementation;
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nsXBLProtoImplMember* mImplMember;
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nsXBLProtoImplProperty* mProperty;
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nsXBLProtoImplMethod* mMethod;
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nsXBLProtoImplField* mField;
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};
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nsresult
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NS_NewXBLContentSink(nsIXMLContentSink** aResult,
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nsIDocument* aDoc,
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nsIURI* aURL,
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nsISupports* aContainer);
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#endif // nsXBLContentSink_h__
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