void CtrlInfo::formatDouble(double value, stdString &result) const
{
if (getType() != Numeric)
{
result = "<enumerated>";
return;
}
char buf[200];
if (cvtDoubleToString(value, buf, getPrecision()) >= 200)
result = "<too long>";
else
result = buf;
}
void Exporter::printValue(FILE *f, const epicsTime &time, const ValueI *v)
{
// skip values which are Archiver specials
size_t ai;
stdString txt;
char buf[100];
unsigned short precision;
if (v->isInfo())
{
for (ai=0; ai<v->getCount(); ++ai)
fprintf(f, "\t%s", _undefined_value.c_str());
}
else
{
const CtrlInfo *info = v->getCtrlInfo();
// Format according to precision.
// Unfortuately that is usually configured wrongly
// and then people complain about not seeing their data...
// -> use prec. if > 0
if (v->getType() == DBR_TIME_STRING ||
(info && info->getType() == CtrlInfo::Enumerated))
{
v->getValue(txt);
fprintf(f, "\t%s", txt.c_str());
}
else
{
if (info && info->getPrecision() > 0)
precision = info->getPrecision();
else
precision = 6;
for (ai=0; ai<v->getCount(); ++ai)
{
cvtDoubleToString(v->getDouble(ai), buf, precision);
fprintf(f, "\t%s", buf);
}
}
}
if (_show_status)
{
v->getStatus(txt);
if (txt.empty())
fprintf(f, "\t ");
else
fprintf(f, "\t%s", txt.c_str());
}
}
/* Convert Double to String */
static long cvt_d_st(
epicsFloat64 *from,
char *to,
const dbAddr *paddr)
{
struct rset *prset = 0;
long status = 0;
long precision = 6;
if(paddr) prset = dbGetRset(paddr);
if (prset && prset->get_precision)
status = (*prset->get_precision)(paddr, &precision);
cvtDoubleToString(*from, to, (unsigned short)precision);
return(status);
}