/*
 * Test CT3 function Token()
 *
 * Copyright 2001 IntTec GmbH, Neunlindenstr 32, 79106 Freiburg, Germany
 *        Author: Martin Vogel <vogel@inttec.de>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file LICENSE.txt.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301 USA (or visit https://www.gnu.org/licenses/).
 *
 * As a special exception, the Harbour Project gives permission for
 * additional uses of the text contained in its release of Harbour.
 *
 * The exception is that, if you link the Harbour libraries with other
 * files to produce an executable, this does not by itself cause the
 * resulting executable to be covered by the GNU General Public License.
 * Your use of that executable is in no way restricted on account of
 * linking the Harbour library code into it.
 *
 * This exception does not however invalidate any other reasons why
 * the executable file might be covered by the GNU General Public License.
 *
 * This exception applies only to the code released by the Harbour
 * Project under the name Harbour.  If you copy code from other
 * Harbour Project or Free Software Foundation releases into a copy of
 * Harbour, as the General Public License permits, the exception does
 * not apply to the code that you add in this way.  To avoid misleading
 * anyone as to the status of such modified files, you must delete
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 *
 * If you write modifications of your own for Harbour, it is your choice
 * whether to permit this exception to apply to your modifications.
 * If you do not wish that, delete this exception notice.
 *
 */

#ifdef __HARBOUR__
#require "hbct"
#else
#define hb_ntos( n ) LTrim( Str( n ) )
#endif

PROCEDURE Main()

   LOCAL cStr := ".,.This.,.is.,.a.,.test!"
   LOCAL ni, npos
   LOCAL cPre := " "
   LOCAL cPost := " "

   ctinit()

   ? "Begin test of Token()"
   ?

   ? "  Simple tests:"
   ? '    Token( "Hello, World!" )            == "World" ? ---> "' + Token( "Hello, World!" ) + '"'
   ? '    Token( "Hello, World!",, 2, 1 )     == "" ? --------> "' + Token( "Hello, World!",, 2, 1 ) + '"'
   ? '    Token( "Hello, World!", ",", 2, 1 ) == " World!" ? -> "' + Token( "Hello, World!", ",", 2, 1 ) + '"'
   ? '    Token( "Hello, World!", " ", 2, 1 ) == "World!" ? --> "' + Token( "Hello, World!", " ", 2, 1 ) + '"'
   ?

   ? '  Tokenizing the string "' + cStr + '"'
   ? '    with skip width == 1 and ".,!" as tokenizer list:'
   ?
   FOR ni := 1 TO NumToken( cStr, ".,!", 1 )
      ? '    Token #' + hb_ntos( ni ) + '("' + Token( cStr, ".,!", ni, 1, @cPre, @cPost ) + ;
         '") @ pos ' + Str( npos := AtToken( cStr, ".,!", ni, 1 ), 3 ) + ', tokenized by "' + cPre + '" and "' + cPost + '" is ' + iif( SubStr( cStr, npos, 1 ) $ ".,!", "", "not " ) + "empty"
   NEXT

   ?
   ? '  Tokenizing the string "' + cStr + '"'
   ? '    with skip width == 3 and ".,!" as tokenizer list:'
   ?
   FOR ni := 1 TO NumToken( cStr, ".,!", 3 )
      ? '    Token #' + hb_ntos( ni ) + '("' + Token( cStr, ".,!", ni, 3, @cPre, @cPost ) + ;
         '") @ pos ' + Str( npos := AtToken( cStr, ".,!", ni, 3 ), 3 ) + ', tokenized by "' + cPre + '" and "' + cPost + '" is ' + iif( SubStr( cStr, npos, 1 ) $ ".,!", "", "not " ) + "empty."
   NEXT

   ?
   ? "End test of Token()"
   ?

   ctexit()

   RETURN