gecko-dev/xpcom/io/nsStringIO.h

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Scott Collins <scc@mozilla.org>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#ifndef nsStringIO_h___
#define nsStringIO_h___

#include "nsAString.h"
#include <stdio.h>


template <class CharT>
class nsFileCharSink
  {
    public:
      typedef CharT value_type;

    public:
      nsFileCharSink( FILE* aOutputFile ) : mOutputFile(aOutputFile) { }

      PRUint32
      write( const value_type* s, PRUint32 n )
        {
          return fwrite(s, sizeof(CharT), n, mOutputFile);
        }

    private:
      FILE* mOutputFile;
  };


template <class CharT>
inline
void
fprint_string( FILE* aFile, const basic_nsAString<CharT>& aString )
  {
    nsReadingIterator<CharT> fromBegin, fromEnd;
    nsFileCharSink<CharT> toBegin(aFile);
    copy_string(aString.BeginReading(fromBegin), aString.EndReading(fromEnd), toBegin);
  }


template <class CharT>
inline
void
print_string( const basic_nsAString<CharT>& aString )
  {
    fprint_string(stdout, aString);
  }


#endif // !defined(nsStringIO_h___)