/*************************************************************************
 *
 *  $RCSfile: XTextInputStream.idl,v $
 *
 *  $Revision: 1.7 $
 *
 *  last change: $Author: mi $ $Date: 2002/10/03 12:44:00 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License version 2.1, as published by the Free Software Foundation.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA  02111-1307  USA
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source 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.openoffice.org/license.html.
 *
 *  Software provided under this License is provided on an "AS IS" basis,
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 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
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 *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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 *  Copyright: 2000 by Sun Microsystems, Inc.
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 *  All Rights Reserved.
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 ************************************************************************/
#ifndef __com_sun_star_io_XTextInputStream_idl__ 
#define __com_sun_star_io_XTextInputStream_idl__ 
 
#ifndef __com_sun_star_io_XInputStream_idl__ 
#include <com/sun/star/io/XInputStream.idl> 
#endif 
 
#ifndef __com_sun_star_io_IOException_idl__ 
#include <com/sun/star/io/IOException.idl> 
#endif 
 
 
//============================================================================= 
 
module com {  module sun {  module star {  module io {  
 
//============================================================================= 
/** Interface to read strings from a stream.

	<p>This interfaces allows to read strings seperated by 
	delimiters and to read lines. The character encoding
	to be used can be set by <member>setEncoding()</member>.
	Default encoding is "utf8".</p>
 */
interface XTextInputStream: com::sun::star::io::XInputStream
{ 
	//------------------------------------------------------------------------- 
	/** reads text until a line break (CR, LF, or CR/LF) or 
		EOF is found and returns it as string (without CR, LF). 

		<p>The read characters are converted according to the 
		encoding defined by <member>setEncoding</member>. If
		EOF is already reached before calling this method
		an empty string is returned.<p>

		@see setEncoding
		@see isEOF
	 */
	string readLine() 
			raises( com::sun::star::io::IOException ); 
 
	//------------------------------------------------------------------------- 
	/** reads text until one of the given delimiter characters 
		or EOF is found and returns it as string (without delimiter).

		<p><strong>Important:</strong> CR/LF is not used as default 
		delimiter! So if no delimiter is defined or none of the 
		delimiters is found, the stream will be read to EOF. The 
		read characters are converted according to the encoding
		defined by <member>setEncoding</member>. If EOF is already 
		reached before calling this method an empty string is returned.</p>

		@see setEncoding
		@see isEOF
	 */
	string readString( [in] sequence<char> Delimiters, [in] boolean bRemoveDelimiter ) 
			raises( com::sun::star::io::IOException ); 
 
	//------------------------------------------------------------------------- 
	/** Returns the EOF status.

		<p>This method has to be used to detect if the end
		of the stream is reached.</p> 
		<p><strong>Important:</strong>
		This cannot be detected by asking for an empty string
		because that can be a valid return value of <member>
		readLine()</member> (if the line is empty) and
		readString() (if a delimiter is directly followed
		by the next one).</p>
	
		@returns 
			<TRUE/>, if the end of file is reached, so that 
			no next string can be read. <FALSE/> otherwise
	 */
	boolean isEOF() 
			raises( com::sun::star::io::IOException ); 
 
	//------------------------------------------------------------------------- 
	/** sets character encoding.

		@param Encoding
			sets the character encoding that should be used.
			The character encoding names refer to the document
			http://www.iana.org/assignments/character-sets.
			Which character sets are supported depends on
			the implementation.
	 */
	void setEncoding( [in] string Encoding ); 
}; 
 
//============================================================================= 
 
}; }; }; };  
 
#endif 
