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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsXBLContentSink_h__
#define nsXBLContentSink_h__
#include "mozilla/Attributes.h"
#include "nsXMLContentSink.h"
#include "nsXBLDocumentInfo.h"
#include "nsXBLPrototypeHandler.h"
#include "nsXBLProtoImpl.h"
#include "nsLayoutCID.h"
/*
* Enum that describes the primary state of the parsing process
*/
typedef enum {
eXBL_InDocument, /* outside any bindings */
eXBL_InBindings, /* Inside a <bindings> element */
eXBL_InBinding, /* Inside a <binding> */
eXBL_InResources, /* Inside a <resources> */
eXBL_InImplementation, /* Inside a <implementation> */
eXBL_InHandlers, /* Inside a <handlers> */
eXBL_Error /* An error has occurred. Suspend binding construction */
} XBLPrimaryState;
/*
* Enum that describes our substate (typically when parsing something
* like <handlers> or <implementation>).
*/
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();
NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW
nsresult Init(nsIDocument* aDoc,
nsIURI* aURL,
nsISupports* aContainer);
// nsIContentSink overrides
NS_IMETHOD HandleStartElement(const char16_t *aName,
const char16_t **aAtts,
uint32_t aAttsCount,
uint32_t aLineNumber) override;
NS_IMETHOD HandleEndElement(const char16_t *aName) override;
NS_IMETHOD HandleCDataSection(const char16_t *aData,
uint32_t aLength) override;
protected:
// nsXMLContentSink overrides
virtual void MaybeStartLayout(bool aIgnorePendingSheets) override;
bool OnOpenContainer(const char16_t **aAtts,
uint32_t aAttsCount,
int32_t aNameSpaceID,
nsIAtom* aTagName,
uint32_t aLineNumber) override;
bool NotifyForDocElement() override { return false; }
nsresult CreateElement(const char16_t** aAtts, uint32_t aAttsCount,
mozilla::dom::NodeInfo* aNodeInfo, uint32_t aLineNumber,
nsIContent** aResult, bool* aAppendContent,
mozilla::dom::FromParser aFromParser) override;
nsresult AddAttributes(const char16_t** aAtts,
nsIContent* aContent) override;
nsresult AddAttributesToXULPrototype(const char16_t **aAtts,
uint32_t aAttsCount,
nsXULPrototypeElement* aElement);
// Our own helpers for constructing XBL prototype objects.
nsresult ConstructBinding(uint32_t aLineNumber);
void ConstructHandler(const char16_t **aAtts, uint32_t aLineNumber);
void ConstructResource(const char16_t **aAtts, nsIAtom* aResourceType);
void ConstructImplementation(const char16_t **aAtts);
void ConstructProperty(const char16_t **aAtts, uint32_t aLineNumber);
void ConstructMethod(const char16_t **aAtts);
void ConstructParameter(const char16_t **aAtts);
void ConstructField(const char16_t **aAtts, uint32_t aLineNumber);
// nsXMLContentSink overrides
nsresult FlushText(bool aReleaseTextNode = true) override;
// nsIExpatSink overrides
NS_IMETHOD ReportError(const char16_t* aErrorText,
const char16_t* aSourceText,
nsIScriptError *aError,
bool *_retval) override;
protected:
nsresult ReportUnexpectedElement(nsIAtom* aElementName, uint32_t aLineNumber);
void AddMember(nsXBLProtoImplMember* aMember);
void AddField(nsXBLProtoImplField* aField);
XBLPrimaryState mState;
XBLSecondaryState mSecondaryState;
nsXBLDocumentInfo* mDocInfo;
bool mIsChromeOrResource; // For bug #45989
bool mFoundFirstBinding;
nsString mCurrentBindingID;
nsXBLPrototypeBinding* mBinding;
nsXBLPrototypeHandler* mHandler; // current handler, owned by its PrototypeBinding
nsXBLProtoImpl* mImplementation;
nsXBLProtoImplMember* mImplMember;
nsXBLProtoImplField* mImplField;
nsXBLProtoImplProperty* mProperty;
nsXBLProtoImplMethod* mMethod;
nsXBLProtoImplField* mField;
};
nsresult
NS_NewXBLContentSink(nsIXMLContentSink** aResult,
nsIDocument* aDoc,
nsIURI* aURL,
nsISupports* aContainer);
#endif // nsXBLContentSink_h__
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