159 lines
4.6 KiB
Plaintext
159 lines
4.6 KiB
Plaintext
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* Misc. string functions
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*
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* Copyright 1999 Eddie Runia <eddie@runia.com>
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* www - http://www.harbour-project.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version, with one exception:
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*
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* The exception is that if you link the Harbour Runtime Library (HRL)
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* and/or the Harbour Virtual Machine (HVM) with other files to produce
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* an executable, this does not by itself cause the resulting executable
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* to be covered by the GNU General Public License. Your use of that
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* executable is in no way restricted on account of linking the HRL
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* and/or HVM code into it.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA (or visit
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* their web site at http://www.gnu.org/).
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*
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*/
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#include "hboo.ch"
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/* $Doc$
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* $FuncName$ <xRet> Default( <xArg>, <xDefault> )
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* $Description$ If argument is not set, return default
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* $End$ */
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function Default( xArg, xDef )
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return if( ValType(xArg) != ValType(xDef), xDef, xArg )
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/* $Doc$
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* $FuncName$ <cOut> ToChar( <xTxt>, [cSeparator], [lDebug] )
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* $Description$ Convert to character
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* $Arguments$ <xTxt> : Item to write
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* [cSeparator] : Separator for arrays
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* [lDebug] : .T. -> Write debug output
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*
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* In DEBUG mode :
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*
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* It will show the xItem according to the following format :
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*
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* <num> Numerical
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* dd/mm/yyyy Date
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* "<chr>" Character
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* {<el1>, <el2>, ...} Array
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* NIL NIL
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* .T. / .F. Boolean
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* <ClassName>(<ClassH>):{<DataSymbol1>:<val1>, ... }
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* Object
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*
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*
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* $End$ */
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function ToChar( xTxt, cSeparator, lDebug )
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local cValTxt
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local cOut
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local n
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local nLen
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local aData
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cSeparator := Default( cSeparator, " " )
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lDebug := Default( lDebug, .F. )
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cValTxt := ValType( xTxt )
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do case
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case cValTxt=="C" .or. cValTxt=="M" // Character
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cOut := if( lDebug, '"'+xTxt+'"', xTxt )
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case cValTxt=="N" // Numeric
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cOut := Alltrim(Str(xTxt))
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case cValTxt=="U" // Nothing to write
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cOut := if( lDebug, "NIL", "" )
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case cValTxt=="D" // Date
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cOut := TransForm(xTxt, "")
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case cValTxt=="L" // Logical
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if lDebug
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cOut := if( xTxt, ".T.", ".F." )
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else
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cOut := if( xTxt, "True", "False" )
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endif
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case cValTxt=="A" // Array
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if lDebug
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cOut := "{"
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else
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cOut := ""
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endif
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nLen := Len( xTxt )
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for n := 1 to nLen // For each item : Recurse !
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cOut += ToChar( xTxt[n], cSeparator, lDebug )
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if n != nLen
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cOut += cSeparator
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endif
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next n
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if lDebug
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cOut += "}"
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endif
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case cValTxt=="B" // Codeblock
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if lDebug
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cOut := "Block"
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else
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cOut := Eval( xTxt )
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endif
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case cValTxt=="O" // Object
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if lDebug
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cOut := xTxt:ClassName() + "(#" + ToChar( xTxt:ClassH() ) + "):{"
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aData := __objGetValueList( xTxt )
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nLen := Len( aData )
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for n := 1 to nLen // For each item : Recurse !
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cOut += aData[n][HB_OO_DATA_SYMBOL] + ":" + ;
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ToChar( aData[n][HB_OO_DATA_VALUE], cSeparator, lDebug )
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if n != nLen
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cOut += cSeparator
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endif
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next n
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cOut += "}"
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else
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cOut := ToChar( xTxt:Run(), cSeparator, lDebug )
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endif
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endcase
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return cOut
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//
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// <xItem> Debug ( <xItem> )
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//
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// Non-volatile debugging function showing contents of xItem and returing
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// passed argument.
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//
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function Debug( xItem )
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QOut( ToChar( xItem, ", ", .T. ) )
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return xItem
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