content/xml/document/src/nsLoadSaveContentSink.h
author Robert Strong <robert.bugzilla@gmail.com>
Thu, 05 Feb 2009 11:12:56 -0800
changeset 23145 89a76e45e282e6911ecc8b67369ba21bb99e01b8
parent 1 9b2a99adc05e53cd4010de512f50118594756650
permissions -rw-r--r--
Bug 476106 - Unable to get directory path for directories immediately under some symlinks. r=jmathies

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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 *      Boris Zbarsky <bzbarsky@mit.edu>  (original author)
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#ifndef nsLoadSaveContentSink_h__
#define nsLoadSaveContentSink_h__

#include "nsIExpatSink.h"
#include "nsIXMLContentSink.h"
#include "nsILoadSaveContentSink.h"
#include "nsCOMPtr.h"

/**
 * This class implements the core of the DOMBuilder for DOM3
 * Load/Save.  It holds a reference to an actual content sink that
 * constructs the content model.
 */
class nsLoadSaveContentSink : public nsILoadSaveContentSink,
                              public nsIExpatSink
{
public:
  nsLoadSaveContentSink();
  virtual ~nsLoadSaveContentSink();

  /**
   * Initializes the sink.  This will return an error if the arguments
   * do not satisfy some basic sanity-checks.
   * @param aBaseSink a "real" sink that the LoadSave sink can use to
   *                  build the document.  This must be non-null and
   *                  must also implement nsIExpatSink.
   */
  nsresult Init(nsIXMLContentSink* aBaseSink);
  
  NS_DECL_ISUPPORTS
  NS_DECL_NSIEXPATSINK

  // nsILoadSaveContentSink
  NS_IMETHOD WillBuildModel(void);
  NS_IMETHOD DidBuildModel(void);
  NS_IMETHOD WillInterrupt(void);
  NS_IMETHOD WillResume(void);
  NS_IMETHOD SetParser(nsIParser* aParser);  
  virtual void FlushPendingNotifications(mozFlushType aType);
  NS_IMETHOD SetDocumentCharset(nsAString& aCharset);

private:
  /**
   * Pointers to the "real" sink.  We hold on to both just for
   * convenience sake.
   */
  nsCOMPtr<nsIXMLContentSink> mBaseSink;
  nsCOMPtr<nsIExpatSink> mExpatSink;
};

#endif // nsLoadSaveContentSink_h__