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 * for the specific language governing rights and limitations under the
 * License.
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 * The Original Code is mozilla.org code.
 *
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 * Contributor(s):
 *
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#ifndef nsFileStreams_h__
#define nsFileStreams_h__

#include "nsIFileStreams.h"
#include "nsIFile.h"
#include "nsIChannel.h"
#include "nsIInputStream.h"
#include "nsIOutputStream.h"
#include "nsILineInputStream.h"
#include "nsIStreamIO.h"
#include "nsCOMPtr.h"
#include "nsReadLine.h"
#include "prlog.h"

////////////////////////////////////////////////////////////////////////////////

class nsFileIO : public nsIFileIO
{
public:
    NS_DECL_ISUPPORTS
    NS_DECL_NSISTREAMIO
    NS_DECL_NSIFILEIO

    nsFileIO();
    virtual ~nsFileIO();

    static NS_METHOD
    Create(nsISupports *aOuter, REFNSIID aIID, void **aResult);

protected:
    nsCOMPtr<nsIFile>   mFile;
    PRInt32             mIOFlags;
    PRInt32             mPerm;
    nsresult            mStatus;
#ifdef PR_LOGGING
    char*               mSpec;
#endif
};

////////////////////////////////////////////////////////////////////////////////

class nsFileStream : public nsISeekableStream
{
public:
    NS_DECL_ISUPPORTS
    NS_DECL_NSISEEKABLESTREAM

    nsFileStream();
    virtual ~nsFileStream();

    nsresult Close();

protected:
    PRFileDesc*         mFD;
};

////////////////////////////////////////////////////////////////////////////////

class nsFileInputStream : public nsFileStream,
                          public nsIFileInputStream,
                          public nsILineInputStream
{
public:
    NS_DECL_ISUPPORTS_INHERITED
    NS_DECL_NSIINPUTSTREAM
    NS_DECL_NSIFILEINPUTSTREAM
    NS_DECL_NSILINEINPUTSTREAM
    
    nsFileInputStream() : nsFileStream() {}
    virtual ~nsFileInputStream() 
    {
        Close();
    }

    static NS_METHOD
    Create(nsISupports *aOuter, REFNSIID aIID, void **aResult);
protected:
    nsLineBuffer     *mLineBuffer;
    nsCOMPtr<nsIFile> mFileToDelete;
};

////////////////////////////////////////////////////////////////////////////////

class nsFileOutputStream : public nsFileStream,
                           public nsIFileOutputStream
{
public:
    NS_DECL_ISUPPORTS_INHERITED
    NS_DECL_NSIOUTPUTSTREAM
    NS_DECL_NSIFILEOUTPUTSTREAM

    nsFileOutputStream() : nsFileStream() {}
    virtual ~nsFileOutputStream() { nsFileOutputStream::Close(); }

    static NS_METHOD
    Create(nsISupports *aOuter, REFNSIID aIID, void **aResult);
};

////////////////////////////////////////////////////////////////////////////////

#endif // nsFileStreams_h__