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comparison: dom/xbl/nsXBLContentSink.h
dom/xbl/nsXBLContentSink.h
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef nsXBLContentSink_h__ | |
| 7 #define nsXBLContentSink_h__ | |
| 8 | |
| 9 #include "mozilla/Attributes.h" | |
| 10 #include "nsXMLContentSink.h" | |
| 11 #include "nsXBLDocumentInfo.h" | |
| 12 #include "nsXBLPrototypeHandler.h" | |
| 13 #include "nsXBLProtoImpl.h" | |
| 14 #include "nsLayoutCID.h" | |
| 15 | |
| 16 /* | |
| 17 * Enum that describes the primary state of the parsing process | |
| 18 */ | |
| 19 typedef enum { | |
| 20 eXBL_InDocument, /* outside any bindings */ | |
| 21 eXBL_InBindings, /* Inside a <bindings> element */ | |
| 22 eXBL_InBinding, /* Inside a <binding> */ | |
| 23 eXBL_InResources, /* Inside a <resources> */ | |
| 24 eXBL_InImplementation, /* Inside a <implementation> */ | |
| 25 eXBL_InHandlers, /* Inside a <handlers> */ | |
| 26 eXBL_Error /* An error has occurred. Suspend binding construction */ | |
| 27 } XBLPrimaryState; | |
| 28 | |
| 29 /* | |
| 30 * Enum that describes our substate (typically when parsing something | |
| 31 * like <handlers> or <implementation>). | |
| 32 */ | |
| 33 typedef enum { | |
| 34 eXBL_None, | |
| 35 eXBL_InHandler, | |
| 36 eXBL_InMethod, | |
| 37 eXBL_InProperty, | |
| 38 eXBL_InField, | |
| 39 eXBL_InBody, | |
| 40 eXBL_InGetter, | |
| 41 eXBL_InSetter, | |
| 42 eXBL_InConstructor, | |
| 43 eXBL_InDestructor | |
| 44 } XBLSecondaryState; | |
| 45 | |
| 46 class nsXULPrototypeElement; | |
| 47 class nsXBLProtoImplMember; | |
| 48 class nsXBLProtoImplProperty; | |
| 49 class nsXBLProtoImplMethod; | |
| 50 class nsXBLProtoImplField; | |
| 51 class nsXBLPrototypeBinding; | |
| 52 | |
| 53 // The XBL content sink overrides the XML content sink to | |
| 54 // builds its own lightweight data structures for the <resources>, | |
| 55 // <handlers>, <implementation>, and | |
| 56 | |
| 57 class nsXBLContentSink : public nsXMLContentSink { | |
| 58 public: | |
| 59 nsXBLContentSink(); | |
| 60 ~nsXBLContentSink(); | |
| 61 | |
| 62 NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW | |
| 63 | |
| 64 nsresult Init(nsIDocument* aDoc, | |
| 65 nsIURI* aURL, | |
| 66 nsISupports* aContainer); | |
| 67 | |
| 68 // nsIContentSink overrides | |
| 69 NS_IMETHOD HandleStartElement(const char16_t *aName, | |
| 70 const char16_t **aAtts, | |
| 71 uint32_t aAttsCount, | |
| 72 int32_t aIndex, | |
| 73 uint32_t aLineNumber) MOZ_OVERRIDE; | |
| 74 | |
| 75 NS_IMETHOD HandleEndElement(const char16_t *aName) MOZ_OVERRIDE; | |
| 76 | |
| 77 NS_IMETHOD HandleCDataSection(const char16_t *aData, | |
| 78 uint32_t aLength) MOZ_OVERRIDE; | |
| 79 | |
| 80 protected: | |
| 81 // nsXMLContentSink overrides | |
| 82 virtual void MaybeStartLayout(bool aIgnorePendingSheets) MOZ_OVERRIDE; | |
| 83 | |
| 84 bool OnOpenContainer(const char16_t **aAtts, | |
| 85 uint32_t aAttsCount, | |
| 86 int32_t aNameSpaceID, | |
| 87 nsIAtom* aTagName, | |
| 88 uint32_t aLineNumber) MOZ_OVERRIDE; | |
| 89 | |
| 90 bool NotifyForDocElement() MOZ_OVERRIDE { return false; } | |
| 91 | |
| 92 nsresult CreateElement(const char16_t** aAtts, uint32_t aAttsCount, | |
| 93 nsINodeInfo* aNodeInfo, uint32_t aLineNumber, | |
| 94 nsIContent** aResult, bool* aAppendContent, | |
| 95 mozilla::dom::FromParser aFromParser) MOZ_OVERRIDE; | |
| 96 | |
| 97 nsresult AddAttributes(const char16_t** aAtts, | |
| 98 nsIContent* aContent) MOZ_OVERRIDE; | |
| 99 | |
| 100 #ifdef MOZ_XUL | |
| 101 nsresult AddAttributesToXULPrototype(const char16_t **aAtts, | |
| 102 uint32_t aAttsCount, | |
| 103 nsXULPrototypeElement* aElement); | |
| 104 #endif | |
| 105 | |
| 106 // Our own helpers for constructing XBL prototype objects. | |
| 107 nsresult ConstructBinding(uint32_t aLineNumber); | |
| 108 void ConstructHandler(const char16_t **aAtts, uint32_t aLineNumber); | |
| 109 void ConstructResource(const char16_t **aAtts, nsIAtom* aResourceType); | |
| 110 void ConstructImplementation(const char16_t **aAtts); | |
| 111 void ConstructProperty(const char16_t **aAtts, uint32_t aLineNumber); | |
| 112 void ConstructMethod(const char16_t **aAtts); | |
| 113 void ConstructParameter(const char16_t **aAtts); | |
| 114 void ConstructField(const char16_t **aAtts, uint32_t aLineNumber); | |
| 115 | |
| 116 | |
| 117 // nsXMLContentSink overrides | |
| 118 nsresult FlushText(bool aReleaseTextNode = true) MOZ_OVERRIDE; | |
| 119 | |
| 120 // nsIExpatSink overrides | |
| 121 NS_IMETHOD ReportError(const char16_t* aErrorText, | |
| 122 const char16_t* aSourceText, | |
| 123 nsIScriptError *aError, | |
| 124 bool *_retval) MOZ_OVERRIDE; | |
| 125 | |
| 126 protected: | |
| 127 nsresult ReportUnexpectedElement(nsIAtom* aElementName, uint32_t aLineNumber); | |
| 128 | |
| 129 void AddMember(nsXBLProtoImplMember* aMember); | |
| 130 void AddField(nsXBLProtoImplField* aField); | |
| 131 | |
| 132 XBLPrimaryState mState; | |
| 133 XBLSecondaryState mSecondaryState; | |
| 134 nsXBLDocumentInfo* mDocInfo; | |
| 135 bool mIsChromeOrResource; // For bug #45989 | |
| 136 bool mFoundFirstBinding; | |
| 137 | |
| 138 nsString mCurrentBindingID; | |
| 139 | |
| 140 nsXBLPrototypeBinding* mBinding; | |
| 141 nsXBLPrototypeHandler* mHandler; // current handler, owned by its PrototypeBinding | |
| 142 nsXBLProtoImpl* mImplementation; | |
| 143 nsXBLProtoImplMember* mImplMember; | |
| 144 nsXBLProtoImplField* mImplField; | |
| 145 nsXBLProtoImplProperty* mProperty; | |
| 146 nsXBLProtoImplMethod* mMethod; | |
| 147 nsXBLProtoImplField* mField; | |
| 148 }; | |
| 149 | |
| 150 nsresult | |
| 151 NS_NewXBLContentSink(nsIXMLContentSink** aResult, | |
| 152 nsIDocument* aDoc, | |
| 153 nsIURI* aURL, | |
| 154 nsISupports* aContainer); | |
| 155 #endif // nsXBLContentSink_h__ |
