408 lines
7.5 KiB
Plaintext
408 lines
7.5 KiB
Plaintext
/*
|
|
* $Id$
|
|
*/
|
|
|
|
/*
|
|
Harbour Project source code
|
|
|
|
Convertion Funtions
|
|
|
|
Copyright (C) 1999 Luiz Rafael Culik
|
|
www - http://www.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 of the License, or
|
|
(at your option) any later version, with one exception:
|
|
|
|
The exception is that if you link the Harbour Runtime Library (HRL)
|
|
and/or the Harbour Virtual Machine (HVM) 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 HRL
|
|
and/or HVM code into it.
|
|
|
|
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; if not, write to the Free Software
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA (or visit
|
|
their web site at http://www.gnu.org/).
|
|
*/
|
|
|
|
/* $DOC$
|
|
* $FUNCNAME$
|
|
* ISBIN()
|
|
*
|
|
* $CATEGORY$
|
|
* Conversion
|
|
* $ONELINER$
|
|
* Check if the value is a Binary Number
|
|
* $SYNTAX$
|
|
* ISBIN(<CN>) -><CNR>
|
|
*
|
|
* $ARGUMENTS$
|
|
* <CN> STRING TO BE CHECKED
|
|
* $RETURNS$
|
|
*
|
|
* ^b .T.^b IF THE STRING IS BYNARY
|
|
* ^b .F.^b^ IF NOT
|
|
* $DESCRIPTION$
|
|
* ^b check if the passed string is a bynary number or not
|
|
* $EXAMPLES$
|
|
*
|
|
* $SEEALSO$
|
|
* ISOCTAL() ISDEC() ISHEXA()
|
|
* $INCLUDE$
|
|
*
|
|
* $END$
|
|
*/
|
|
|
|
FUNCTION IsBin(cString)
|
|
local nX,lFlag:=.t.
|
|
cString:=AllTrim(cString)
|
|
FOR nX:=1 to Len(cString)
|
|
IF !(SubStr(cString,nX,1) $"01")
|
|
lFlag:=.F.
|
|
EXIT
|
|
ENDIF
|
|
NEXT nX
|
|
RETURN(lFlag)
|
|
|
|
/* $DOC$
|
|
* $FUNCNAME$
|
|
* ISOCTAL()
|
|
*
|
|
* $CATEGORY$
|
|
* Conversion
|
|
* $ONELINER$
|
|
* Check if the value is a Octal Number
|
|
* $SYNTAX$
|
|
* ISOCTAL(<CN>) -><CNR>
|
|
*
|
|
* $ARGUMENTS$
|
|
* <CN> STRING TO BE CHECKED
|
|
* $RETURNS$
|
|
*
|
|
* ^b .T.^b IF THE STRING IS OCTAL
|
|
* ^b .F.^b^ IF NOT
|
|
*
|
|
* $DESCRIPTION$
|
|
* ^b check if the passed string is a octal number or not
|
|
* $EXAMPLES$
|
|
*
|
|
* $SEEALSO$
|
|
* ISBIN() ISDEC() ISHEXA()
|
|
* $INCLUDE$
|
|
*
|
|
* $END$
|
|
*/
|
|
|
|
FUNCTION IsOctal(cString)
|
|
local nX,lFlag:=.t.
|
|
cString:=AllTrim(cString)
|
|
FOR nX:=1 to Len(cString)
|
|
if !(SubStr(cString,nX,1) $"01234567")
|
|
lFlag:=.f.
|
|
EXIT
|
|
ENDIF
|
|
NEXT nX
|
|
RETURN(lFlag)
|
|
|
|
/* $DOC$
|
|
* $FUNCNAME$
|
|
* ISDEC()
|
|
*
|
|
* $CATEGORY$
|
|
* Conversion
|
|
* $ONELINER$
|
|
* Check if the value is a Decimal Number
|
|
* $SYNTAX$
|
|
* ISDEC(<CN>) -><CNR>
|
|
*
|
|
* $ARGUMENTS$
|
|
* <CN> STRING TO BE CHECKED
|
|
* $RETURNS$
|
|
* ^b .T.^b IF THE STRING IS DECIMAL
|
|
* ^b .F.^b^ IF NOT
|
|
* $DESCRIPTION$
|
|
* ^b check if the passed string is a decimal number or not
|
|
* $EXAMPLES$
|
|
*
|
|
* $SEEALSO$
|
|
* ISOCTAL() ISBIN() ISHEXA()
|
|
* $INCLUDE$
|
|
*
|
|
* $END$
|
|
*/
|
|
|
|
FUNCTION IsDec(cString)
|
|
local nX,lFlag:=.t.
|
|
cString:=AllTrim(cString)
|
|
FOR nX:=1 to Len(cString)
|
|
if !(SubStr(cString,nX,1) $"0123456789")
|
|
lFlag:=.f.
|
|
EXIT
|
|
ENDIF
|
|
NEXT nX
|
|
RETURN(lFlag)
|
|
|
|
/* $DOC$
|
|
* $FUNCNAME$
|
|
* ISHEXA()
|
|
*
|
|
* $CATEGORY$
|
|
* Conversion
|
|
* $ONELINER$
|
|
* Check if the value is a Hexal Number
|
|
* $SYNTAX$
|
|
* ISHEXA(<CN>) -><CNR>
|
|
*
|
|
* $ARGUMENTS$
|
|
* <CN> STRING TO BE CHECKED
|
|
* $RETURNS$
|
|
* ^b .T.^b IF THE STRING IS HEXA
|
|
* ^b .F.^b^ IF NOT
|
|
* $DESCRIPTION$
|
|
* ^b check if the passed string is a hexa number or not
|
|
* $EXAMPLES$
|
|
*
|
|
* $SEEALSO$
|
|
* ISOCTAL() ISDEC() ISBIN()
|
|
* $INCLUDE$
|
|
*
|
|
* $END$
|
|
*/
|
|
|
|
FUNCTION IsHexa(cString)
|
|
local nX,lFlag:=.t.
|
|
cString:=AllTrim(cString)
|
|
FOR nX:=1 to Len(cString)
|
|
if !(SubStr(cString,nX,1) $"0123456789ABCDEF")
|
|
lFlag:=.f.
|
|
EXIT
|
|
ENDIF
|
|
NEXT nX
|
|
RETURN(lFlag)
|
|
|
|
/* $DOC$
|
|
* $FUNCNAME$
|
|
* DECTOBIN()
|
|
*
|
|
* $CATEGORY$
|
|
* Conversion
|
|
* $ONELINER$
|
|
* Converts a Decimal Value to Binary
|
|
* $SYNTAX$
|
|
* DECTOBIN(<CN>) -><CNR>
|
|
*
|
|
* $ARGUMENTS$
|
|
* <CN> NUMBER TO BE CONVERTED
|
|
* $RETURNS$
|
|
* <CNR> NUMBER CONVERTED
|
|
* $DESCRIPTION$
|
|
*
|
|
* $EXAMPLES$
|
|
*
|
|
* $SEEALSO$
|
|
*
|
|
* $INCLUDE$
|
|
*
|
|
* $END$
|
|
*/
|
|
|
|
FUNCTION DecToBin(nNumber)
|
|
local cNewString:=''
|
|
local nTemp:=0
|
|
WHILE(nNumber > 0)
|
|
nTemp:=(nNumber%2)
|
|
cNewString:=SubStr('01',(nTemp+1),1)+cNewString
|
|
nNumber:=Int((nNumber-nTemp)/2)
|
|
ENDDO
|
|
RETURN(cNewString)
|
|
|
|
/* $DOC$
|
|
* $FUNCNAME$
|
|
* DECTOOCTAL()
|
|
*
|
|
* $CATEGORY$
|
|
* Conversion
|
|
* $ONELINER$
|
|
* Converts a Decimal Value to Octal
|
|
* $SYNTAX$
|
|
* DECTOOCTAL(<CN>) -><CNR>
|
|
*
|
|
* $ARGUMENTS$
|
|
* <CN> NUMBER TO BE CONVERTED
|
|
* $RETURNS$
|
|
* <CNR> NUMBER CONVERTED
|
|
* $DESCRIPTION$
|
|
*
|
|
* $EXAMPLES$
|
|
*
|
|
* $SEEALSO$
|
|
*
|
|
* $INCLUDE$
|
|
*
|
|
* $EnNumber$
|
|
*/
|
|
|
|
FUNCTION DecToOctal(nNumber)
|
|
local cNewString:=''
|
|
local nTemp:=0
|
|
WHILE(nNumber > 0)
|
|
nTemp:=(nNumber%8)
|
|
cNewString:=SubStr('01234567',(nTemp+1),1)+cNewString
|
|
nNumber:=Int((nNumber-nTemp)/8)
|
|
ENDDO
|
|
RETURN(cNewString)
|
|
|
|
/* $DOC$
|
|
* $FUNCNAME$
|
|
* DECTOHEXA()
|
|
*
|
|
* $CATEGORY$
|
|
* Conversion
|
|
* $ONELINER$
|
|
* Converts a Decimal Value to Hexa
|
|
* $SYNTAX$
|
|
* DECTOHEXA(<CN>) -><CNR>
|
|
*
|
|
* $ARGUMENTS$
|
|
* <CN> NUMBER TO BE CONVERTED
|
|
* $RETURNS$
|
|
* <CNR> NUMBER CONVERTED
|
|
* $DESCRIPTION$
|
|
*
|
|
* $EXAMPLES$
|
|
*
|
|
* $SEEALSO$
|
|
*
|
|
* $INCLUDE$
|
|
*
|
|
* $EnNumber$
|
|
*/
|
|
|
|
FUNCTION DecToHexa(nNumber)
|
|
local cNewString:=''
|
|
local nTemp:=0
|
|
WHILE(nNumber > 0)
|
|
nTemp:=(nNumber%16)
|
|
cNewString:=SubStr('0123456789ABCDEF',(nTemp+1),1)+cNewString
|
|
nNumber:=Int((nNumber-nTemp)/16)
|
|
ENDDO
|
|
RETURN(cNewString)
|
|
|
|
/* $DOC$
|
|
* $FUNCNAME$
|
|
* BIntODEC()
|
|
*
|
|
* $CATEGORY$
|
|
* Conversion
|
|
* $ONELINER$
|
|
* Converts a Binary Value to Decimal
|
|
* $SYNTAX$
|
|
* BIntODEC(<CN>) -><CNR>
|
|
*
|
|
* $ARGUMENTS$
|
|
* <CN> NUMBER TO BE CONVERTED
|
|
* $RETURNS$
|
|
* <CNR> NUMBER CONVERTED
|
|
* $DESCRIPTION$
|
|
*
|
|
* $EXAMPLES$
|
|
*
|
|
* $SEEALSO$
|
|
*
|
|
* $INCLUDE$
|
|
*
|
|
* $EnNumber$
|
|
*/
|
|
|
|
FUNCTION BinToDec(cString)
|
|
local nNumber:=0,nX:=0
|
|
local cNewString:=AllTrim(cString)
|
|
local nLen:=Len(cNewString)
|
|
FOR nX:=1 to nLen
|
|
nNumber+=(At(SubStr(cNewString,nX,1),'01')-1)*;
|
|
(2**(nLen-nX))
|
|
NEXT nX
|
|
RETURN(nNumber)
|
|
|
|
/* $DOC$
|
|
* $FUNCNAME$
|
|
* OCTALTODEC()
|
|
*
|
|
* $CATEGORY$
|
|
* Conversion
|
|
* $ONELINER$
|
|
* Converts a Octal Value to Decimal
|
|
* $SYNTAX$
|
|
* OCTALTODEC(<CN>) -><CNR>
|
|
*
|
|
* $ARGUMENTS$
|
|
* <CN> NUMBER TO BE CONVERTED
|
|
* $RETURNS$
|
|
* <CNR> NUMBER CONVERTED
|
|
* $DESCRIPTION$
|
|
*
|
|
* $EXAMPLES$
|
|
*
|
|
* $SEEALSO$
|
|
*
|
|
* $INCLUDE$
|
|
*
|
|
* $EnNumber$
|
|
*/
|
|
|
|
FUNCTION OctalToDec(cString)
|
|
local nNumber:=0,nX:=0
|
|
local cNewString:=AllTrim(cString)
|
|
local nLen:=Len(cNewString)
|
|
FOR nX:=1 to nLen
|
|
nNumber+=(At(SubStr(cNewString,nX,1),'01234567')-1)*;
|
|
(8**(nLen-nX))
|
|
NEXT nX
|
|
RETURN(nNumber)
|
|
|
|
|
|
/* $DOC$
|
|
* $FUNCNAME$
|
|
* HEXATODEC()
|
|
* $CATEGORY$
|
|
* Conversion
|
|
* $ONELINER$
|
|
* Converts a Hexa Value to Decimal
|
|
* $SYNTAX$
|
|
* HEXATODEC(<CN>) -><CNR>
|
|
*
|
|
* $ARGUMENTS$
|
|
* <CN> NUMBER TO BE CONVERTED
|
|
* $RETURNS$
|
|
* <CNR> NUMBER CONVERTED
|
|
* $DESCRIPTION$
|
|
*
|
|
* $EXAMPLES$
|
|
*
|
|
* $SEEALSO$
|
|
*
|
|
* $INCLUDE$
|
|
*
|
|
* $EnNumber$
|
|
*/
|
|
|
|
FUNCTION HexaToDec(cString)
|
|
local nNumber:=0,nX:=0
|
|
local cNewString:=AllTrim(cString)
|
|
local nLen:=Len(cNewString)
|
|
FOR nX:=1 to nLen
|
|
nNumber+=(At(SubStr(cNewString,nX,1),'0123456789ABCDEF')-1)*;
|
|
(16**(nLen-nX))
|
|
NEXT nX
|
|
RETURN nNumber
|
|
|
|
* EOF: NCONVERT.PRG
|