зеркало из https://github.com/mozilla/gecko-dev.git
154 строки
5.2 KiB
C++
154 строки
5.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsXBLContentSink_h__
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#define nsXBLContentSink_h__
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#include "mozilla/Attributes.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 "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 occurred. 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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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 char16_t *aName,
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const char16_t **aAtts,
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uint32_t aAttsCount,
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uint32_t aLineNumber) override;
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NS_IMETHOD HandleEndElement(const char16_t *aName) override;
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NS_IMETHOD HandleCDataSection(const char16_t *aData,
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uint32_t aLength) override;
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protected:
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// nsXMLContentSink overrides
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virtual void MaybeStartLayout(bool aIgnorePendingSheets) override;
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bool OnOpenContainer(const char16_t **aAtts,
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uint32_t aAttsCount,
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int32_t aNameSpaceID,
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nsIAtom* aTagName,
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uint32_t aLineNumber) override;
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bool NotifyForDocElement() override { return false; }
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nsresult CreateElement(const char16_t** aAtts, uint32_t aAttsCount,
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mozilla::dom::NodeInfo* aNodeInfo, uint32_t aLineNumber,
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nsIContent** aResult, bool* aAppendContent,
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mozilla::dom::FromParser aFromParser) override;
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nsresult AddAttributes(const char16_t** aAtts,
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nsIContent* aContent) override;
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#ifdef MOZ_XUL
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nsresult AddAttributesToXULPrototype(const char16_t **aAtts,
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uint32_t 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(uint32_t aLineNumber);
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void ConstructHandler(const char16_t **aAtts, uint32_t aLineNumber);
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void ConstructResource(const char16_t **aAtts, nsIAtom* aResourceType);
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void ConstructImplementation(const char16_t **aAtts);
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void ConstructProperty(const char16_t **aAtts, uint32_t aLineNumber);
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void ConstructMethod(const char16_t **aAtts);
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void ConstructParameter(const char16_t **aAtts);
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void ConstructField(const char16_t **aAtts, uint32_t aLineNumber);
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// nsXMLContentSink overrides
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nsresult FlushText(bool aReleaseTextNode = true) override;
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// nsIExpatSink overrides
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NS_IMETHOD ReportError(const char16_t* aErrorText,
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const char16_t* aSourceText,
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nsIScriptError *aError,
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bool *_retval) override;
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protected:
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nsresult ReportUnexpectedElement(nsIAtom* aElementName, uint32_t aLineNumber);
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void AddMember(nsXBLProtoImplMember* aMember);
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void AddField(nsXBLProtoImplField* aField);
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XBLPrimaryState mState;
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XBLSecondaryState mSecondaryState;
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nsXBLDocumentInfo* mDocInfo;
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bool mIsChromeOrResource; // For bug #45989
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bool mFoundFirstBinding;
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nsString mCurrentBindingID;
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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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nsXBLProtoImplField* mImplField;
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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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