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// fgdyymmdd.cc
#include "fgdyymmddcomp.h"
#ifndef _FGSTRING_H
#include "fgstring.h"
#endif
#include <ctype.h>
#include <stdlib.h>
#include <stdio.h>
FGDateYYMMDDComponent::FGDateYYMMDDComponent()
{
}
FGDateYYMMDDComponent::~FGDateYYMMDDComponent()
{
}
bool
FGDateYYMMDDComponent::MatchAndRankComponent(FGString& fnameRemainder,
int* pMatchVal) const
{
// Initialize to be safe
*pMatchVal = -1;
// Need 6 characters!
if (fnameRemainder.GetLength() < 6) {
return false;
}
FGString dateBit = fnameRemainder.Left(6);
// Must be all digits
if (!isdigit(dateBit[0]) || !isdigit(dateBit[1]) ||
!isdigit(dateBit[2]) || !isdigit(dateBit[3]) ||
!isdigit(dateBit[4]) || !isdigit(dateBit[5])) {
return false;
}
// OK so its all digits
// From here it will always be a match, we don't validate the month/day
// values are valid (e.g. 17th Month of the year?)
FGString yearStr = dateBit.Left(2);
int year = atoi(yearStr);
// Year 00 (2000) must have greater value than, e.g., 99 (1999)
if (year < 50) {
year += 50;
} else {
year -= 50;
}
// Build the final value string
char yearBuf[3];
sprintf(yearBuf, "%d", year);
FGString theVal(yearBuf);
theVal += dateBit[2];
theVal += dateBit[3];
theVal += dateBit[4];
theVal += dateBit[5];
*pMatchVal = atoi(theVal);
// Consume the 6 digits we matched
int charsLeft = fnameRemainder.GetLength() - 6;
FGString bitLeft = fnameRemainder.Right(charsLeft);
fnameRemainder = bitLeft;
return true;
}
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