47 lines
898 B
C++
47 lines
898 B
C++
#include <Pascal/Date.h>
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#include <cstring>
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using namespace Pascal;
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Date::Date(unsigned val)
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{
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// yyyy yyym mmmm dddd
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_month = val & 0xf;
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_day = (val >> 4) & 0x1f;
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_year = (val >> 9) & 0x7f;
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}
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Date::operator std::time_t() const {
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struct tm tm;
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if (_day == 0 || _month == 0) return (std::time_t)-1;
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std::memset(&tm, 0, sizeof(tm));
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tm.tm_hour = 12;
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tm.tm_mday = _day;
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tm.tm_mon = _month;
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tm.tm_year = _year;
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tm.tm_isdst = -1;
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// ProDOS standard for dealing w/ y2k.
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if (_year <= 39) tm.tm_year += 100;
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return std::mktime(&tm);
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}
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Date::operator uint16_t() const {
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// year must be 0 .. 127
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return (_year << 9) | (_day << 4) | _month;
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}
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Date Date::Today()
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{
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struct tm tm;
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std::time_t t = std::time(NULL);
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::localtime_r(&t, &tm);
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return Date(tm.tm_year % 100, tm.tm_mon + 1, tm.tm_mday);
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} |