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harbour-core/harbour/contrib/hbmisc/stringp.prg
Viktor Szakats 92d24a5828 2012-12-03 13:03 UTC+0100 Viktor Szakats (harbour syenar.net)
* (whole trunk repo)
    * COPYING -> COPYING.txt
2012-12-03 13:52:22 +00:00

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/*
* $Id$
*/
/*
* Harbour Project source code:
* Misc. string functions
*
* Copyright 1999 Eddie Runia <eddie@runia.com>
* www - http://harbour-project.org
*
* 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 software; see the file COPYING.txt. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
*
* 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
* this exception notice from them.
*
* 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.
*
*/
#include "hboo.ch"
/* $Doc$
* $FuncName$ <cOut> ToChar( <xTxt>, [cSeparator], [lDebug] )
* $Description$ Convert to character
* $Arguments$ <xTxt> : Item to write
* [cSeparator] : Separator for arrays
* [lDebug] : .T. -> Write debug output
*
* In DEBUG mode :
*
* It will show the xItem according to the following format :
*
* <num> Numerical
* dd/mm/yyyy Date
* "<chr>" Character
* {<el1>, <el2>, ...} Array
* NIL NIL
* .T. / .F. Boolean
* <ClassName>(<ClassH>):{<DataSymbol1>:<val1>, ... }
* Object
*
*
* $End$ */
FUNCTION ToChar( xTxt, cSeparator, lDebug )
LOCAL cValTxt
LOCAL cOut
LOCAL n
LOCAL nLen
LOCAL aData
hb_default( @cSeparator, " " )
hb_default( @lDebug, .F. )
cValTxt := ValType( xTxt )
DO CASE
CASE cValTxt == "C" .OR. cValTxt == "M" // Character
cOut := iif( lDebug, '"' + xTxt + '"', xTxt )
CASE cValTxt == "N" // Numeric
cOut := hb_ntos( xTxt )
CASE cValTxt == "U" // Nothing to write
cOut := iif( lDebug, "NIL", "" )
CASE cValTxt == "D" // Date
cOut := Transform( xTxt, "" )
CASE cValTxt == "L" // Logical
IF lDebug
cOut := iif( xTxt, ".T.", ".F." )
ELSE
cOut := iif( xTxt, "True", "False" )
ENDIF
CASE cValTxt == "A" // Array
IF lDebug
cOut := "{"
ELSE
cOut := ""
ENDIF
nLen := Len( xTxt )
FOR n := 1 TO nLen // For each item : Recurse !
cOut += ToChar( xTxt[ n ], cSeparator, lDebug )
IF n != nLen
cOut += cSeparator
ENDIF
NEXT
IF lDebug
cOut += "}"
ENDIF
CASE cValTxt == "B" // Codeblock
IF lDebug
cOut := "Block"
ELSE
cOut := Eval( xTxt )
ENDIF
CASE cValTxt == "O" // Object
IF lDebug
cOut := xTxt:ClassName() + "(#" + ToChar( xTxt:ClassH() ) + "):{"
aData := __objGetValueList( xTxt )
nLen := Len( aData )
FOR n := 1 TO nLen // For each item : Recurse !
cOut += aData[ n ][ HB_OO_DATA_SYMBOL ] + ":" + ;
ToChar( aData[ n ][ HB_OO_DATA_VALUE ], cSeparator, lDebug )
IF n != nLen
cOut += cSeparator
ENDIF
NEXT
cOut += "}"
ELSE
cOut := ToChar( xTxt:Run(), cSeparator, lDebug )
ENDIF
ENDCASE
RETURN cOut
//
// <xItem> Debug( <xItem> )
//
// Non-volatile debugging function showing contents of xItem and returing
// passed argument.
//
FUNCTION Debug( xItem )
? ToChar( xItem, ", ", .T. )
RETURN xItem