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+/* -*- Mode: C++; tab-width: 2; 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/. */
+
+#include "nsIExpatSink.idl"
+
+/**
+ * This interface provides notification of syntax-level events.
+ */
+[scriptable, uuid(5e3e4f0c-7b77-47ca-a7c5-a3d87f2a9c82)]
+interface nsIExtendedExpatSink : nsIExpatSink
+{
+ /**
+ * Called at the beginning of the DTD, before any entity or notation
+ * events.
+ * @param aDoctypeName The document type name.
+ * @param aSysid The declared system identifier for the external DTD subset,
+ * or null if none was declared.
+ * @param aPubid The declared public identifier for the external DTD subset,
+ * or null if none was declared.
+ */
+ void handleStartDTD(in wstring aDoctypeName,
+ in wstring aSysid,
+ in wstring aPubid);
+
+ /**
+ * Called when a prefix mapping starts to be in-scope, before any
+ * startElement events.
+ * @param aPrefix The Namespace prefix being declared. An empty string
+ * is used for the default element namespace, which has
+ * no prefix.
+ * @param aUri The Namespace URI the prefix is mapped to.
+ */
+ void handleStartNamespaceDecl(in wstring aPrefix,
+ in wstring aUri);
+
+ /**
+ * Called when a prefix mapping is no longer in-scope, after any
+ * endElement events.
+ * @param aPrefix The prefix that was being mapped. This is the empty string
+ * when a default mapping scope ends.
+ */
+ void handleEndNamespaceDecl(in wstring aPrefix);
+
+ /**
+ * This is called for a declaration of notation. The base argument is
+ * whatever was set by XML_SetBase. aNotationName will never be
+ * null. The other arguments can be.
+ * @param aNotationName The notation name.
+ * @param aSysId The notation's system identifier, or null if none was given.
+ * @param aPubId The notation's pubilc identifier, or null if none was given.
+ */
+ void handleNotationDecl(in wstring aNotationName,
+ in wstring aSysid,
+ in wstring aPubid);
+
+ /**
+ * This is called for a declaration of an unparsed (NDATA) entity.
+ * aName, aSysid and aNotationName arguments will never be
+ * null. The other arguments may be.
+ * @param aName The unparsed entity's name.
+ * @param aSysId The notation's system identifier.
+ * @param aPubId The notation's pubilc identifier, or null if none was given.
+ * @param aNotationName The name of the associated notation.
+ */
+ void handleUnparsedEntityDecl(in wstring aName,
+ in wstring aSysid,
+ in wstring aPubid,
+ in wstring aNotationName);
+
+};