1 files changed, 155 insertions, 0 deletions
diff --git a/dom/xbl/nsXBLContentSink.h b/dom/xbl/nsXBLContentSink.h
new file mode 100644
index 000000000..3c220c0f3
--- /dev/null
+++ b/dom/xbl/nsXBLContentSink.h
@@ -0,0 +1,155 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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;
+
+#ifdef MOZ_XUL    
+    nsresult AddAttributesToXULPrototype(const char16_t **aAtts, 
+                                         uint32_t aAttsCount, 
+                                         nsXULPrototypeElement* aElement);
+#endif
+
+    // 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__