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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);

};