Code Cleanup

- Remove the code related to the format "day of year" (number of day starting
  from the January 1) as mktime does not allow to specify it with the field
  tm_yday.
- Cleaner check of the date (everything is done by Date::valid).
- Correct hour, minute and second is also checked.

src/Date.cpp

@@ -339,7 +339,7 @@ bool Date::valid (const int d, const int y)
   if (y < 0)
     return false;
 
-  if (d < 0 || d > 365)
+  if (d < 1 || d > Date::daysInYear (y))
     return false;
 
   return true;
@@ -371,6 +371,12 @@ int Date::daysInMonth (int month, int year)
   return days[Date::leapYear (year) ? 1 : 0][month - 1];
 }
 
+////////////////////////////////////////////////////////////////////////////////
+int Date::daysInYear (int year)
+{
+  return Date::leapYear (year) ? 366 : 365;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 std::string Date::monthName (int month)
 {

src/Date.h

@@ -67,6 +67,7 @@ public:
   static time_t easter (int year);
   static bool leapYear (int);
   static int daysInMonth (int, int);
+  static int daysInYear (int);
   static std::string monthName (int);
   static void dayName (int, std::string&);
   static std::string dayName (int);

src/Nibbler.cpp

@@ -734,7 +734,7 @@ bool Nibbler::getDate (const std::string& format, time_t& t)
     {
     case 'm':
       if (i + 2 <= _length &&
-          (_input[i + 0] == '0' || _input[i + 0] == '1') &&
+          isdigit (_input[i + 0]) &&
           isdigit (_input[i + 1]))
       {
         month = atoi (_input.substr (i, 2).c_str ());
@@ -882,7 +882,7 @@ bool Nibbler::getDate (const std::string& format, time_t& t)
 
     case 'h':
       if (i + 2 <= _length &&
-          (_input[i + 0] == '0' || _input[i + 0] == '1') &&
+          isdigit (_input[i + 0]) &&
           isdigit (_input[i + 1]))
       {
         hour = atoi (_input.substr (i, 2).c_str ());
@@ -1019,27 +1019,15 @@ bool Nibbler::getDate (const std::string& format, time_t& t)
   minute = (minute == -1) ? 0 : minute;
   second = (second == -1) ? 0 : second;
 
+  // Check that values are correct
+  if (! Date::valid (month, day, year, hour, minute, second))
+    return false;
+
   // Convert to epoch.
   struct tm tms = {0};
   tms.tm_isdst = -1;   // Requests that mktime determine summer time effect.
-
-  if (month == 0 && day >= 0 && day <= 365)
-  {
-    tms.tm_yday  = day;
-    tms.tm_mon   = 0;
-
-    if (! Date::valid (day, year))
-      return false;
-  }
-  else
-  {
-    tms.tm_mday  = day;
-    tms.tm_mon   = month > 0 ? month - 1 : 0;
-
-    if (! Date::valid (month, day, year))
-      return false;
-  }
-
+  tms.tm_mon   = month - 1;
+  tms.tm_mday  = day;
   tms.tm_year  = year - 1900;
   tms.tm_hour  = hour;
   tms.tm_min   = minute;