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// File: OSD_Real2String.cxx
// Created: Fri Jan 25 12:58:55 2002
// Author: doneux <doneux@samcef.com>
const static char sccsid[] = "@(#) OSD_Real2String.cxx %V%-1, 06/17/02@(#)";
// Lastly modified by :
// +---------------------------------------------------------------------------+
// ! doneux ! Creation ! 06/17/02! %V%-1!
// +---------------------------------------------------------------------------+
#ifdef HAVE_CONFIG_H
# include <oce-config.h>
#endif
#include <OSD_Real2String.ixx>
#include <stdio.h>
#if defined(HAVE_STDLIB_H) || defined(WNT)
# include <stdlib.h>
#endif
//=======================================================================
//function : OSD_Real2String
//purpose :
//=======================================================================
OSD_Real2String::OSD_Real2String():
myReadDecimalPoint(0)
{
float F1 = (float ) 1.1 ;
char str[5] ;
sprintf(str,"%.1f",F1) ;
// printf("%s\n",str) ;
myLocalDecimalPoint = str[1] ;
}
//=======================================================================
//function : RealToCString
//purpose :
//=======================================================================
Standard_Boolean OSD_Real2String::RealToCString(const Standard_Real theReal,
Standard_PCharacter& theString) const
{
char *p, *q ;
if (sprintf(theString,"%.17e",theReal) <= 0)
return Standard_False ;
// Suppress "e+00" and unsignificant 0's
if ((p = strchr(theString,'e')) != NULL) {
if (!strcmp(p,"e+00"))
*p = 0 ;
for (q = p-1 ; *q == '0' ; q--) ;
if (q != p-1) {
if (*q != myLocalDecimalPoint) q++ ;
while (*p)
*q++ = *p++ ;
*q = 0 ;
}
}
return Standard_True ;
}
//=======================================================================
//function : CStringToReal
//purpose :
//=======================================================================
Standard_Boolean OSD_Real2String::CStringToReal(const Standard_CString theString,
Standard_Real& theReal)
{
char *endptr ;
if (! theString) return Standard_False;
// Get the decimal point character in the string (if any)
if (!myReadDecimalPoint) {
if (strchr(theString, ',')) myReadDecimalPoint = ',';
else if (strchr(theString, '.')) myReadDecimalPoint = '.';
}
const char *str = theString;
if (myReadDecimalPoint) {
if (myReadDecimalPoint != myLocalDecimalPoint) {
const char * p;
char buff[1024];
// replace the decimal point by the local one
if(myReadDecimalPoint != myLocalDecimalPoint &&
((p = strchr(theString,myReadDecimalPoint)) != NULL) && ((p-theString) < 1000) )
{
strncpy(buff, theString, 1000);
buff[p-theString] = myLocalDecimalPoint;
str = buff;
}
}
}
theReal = strtod(str,&endptr) ;
if (*endptr)
return Standard_False ;
return Standard_True;
}
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