xpcom/io/nsIUnicharLineInputStream.idl

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  *
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   4  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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  12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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  15  *
  16  * The Original Code is mozilla.org code.
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  18  * The Initial Developer of the Original Code is
  19  * Boris Zbarsky <bzbarsky@mit.edu>.
  20  * Portions created by the Initial Developer are Copyright (C) 2001
  21  * the Initial Developer. All Rights Reserved.
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  23  * Contributor(s):
  24  *   Christian Biesinger <cbiesinger@web.de>
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  39
  40 #include "nsISupports.idl"
  41
  42 [scriptable, uuid(67f42475-ba80-40f8-ac0b-649c89230184)]
  43 interface nsIUnicharLineInputStream : nsISupports
  44 {
  45   /**
  46    * Read a single line from the stream, where a line is a
  47    * possibly zero length sequence of characters terminated by a
  48    * CR, LF, CRLF, LFCR, or eof.
  49    * The line terminator is not returned.
  50    * @retval false
  51    *         End of file. This line is the last line of the file
  52    *         (aLine is valid).
  53    * @retval true
  54    *         The file contains further lines.
  55    * @note Do not mix readLine with other read functions.
  56    *       Doing so can cause various problems and is not supported.
  57    */
  58   boolean readLine(out AString aLine);
  59 };