X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ftime%2Fdatetime.cpp;h=c77796f7bc0bd8c8cd378d739fb5a458f006a491;hb=87edba02a23b1338934e36fac407966b25fcf811;hp=6617f862b0bdb705dd73fbb1f7b904a7e5761da1;hpb=d5dd704b2576f878809e87dbb8ff8591b9bdbce4;p=libs%2Fcore.git

diff --git a/source/time/datetime.cpp b/source/time/datetime.cpp
index 6617f86..c77796f 100644
--- a/source/time/datetime.cpp
+++ b/source/time/datetime.cpp
@@ -1,17 +1,8 @@
-/* $Id$
-
-This file is part of libmspcore     
-Copyright © 2006  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
 #include <cstdlib>
-#include <sstream>
-#include <iomanip>
-#include "../core/except.h"
+#include <stdexcept>
+#include <msp/strings/format.h>
 #include "datetime.h"
 #include "timestamp.h"
-#include "units.h"
 
 using namespace std;
 
@@ -77,6 +68,42 @@ DateTime::DateTime(int y, unsigned char m, unsigned char d, unsigned char h, uns
 	init(y, m, d, h, n, s, u);
 }
 
+void DateTime::init(const TimeStamp &ts)
+{
+	year = 1970;
+	month = 1;
+	mday = 1;
+	hour = 0;
+	minute = 0;
+	second = 0;
+	usec = 0;
+	add_raw(ts.raw());
+}
+
+void DateTime::init(int y, unsigned char m, unsigned char d, unsigned char h, unsigned char n, unsigned char s, unsigned u)
+{
+	year = y;
+	month = m;
+	mday = d;
+	hour = h;
+	minute = n;
+	second = s;
+	usec = u;
+
+	if(usec>=1000000)
+		throw out_of_range("DateTime::DateTime usec");
+	if(second>=60)
+		throw out_of_range("DateTime::DateTime second");
+	if(minute>=60)
+		throw out_of_range("DateTime::DateTime minute");
+	if(hour>=24)
+		throw out_of_range("DateTime::DateTime hour");
+	if(month<1 || month>12)
+		throw out_of_range("DateTime::DateTime month");
+	if(mday<1 || mday>month_days(year, month))
+		throw out_of_range("DateTime::DateTime mday");
+}
+
 void DateTime::add_days(int days)
 {
 	int new_year = year;
@@ -93,7 +120,7 @@ void DateTime::add_days(int days)
 	}
 
 	// Fudge factor for leap day
-	int fudge = (month<=2)?1:0;
+	int fudge = (month<=2) ? 1 : 0;
 
 	// (Almost) every 4 year cycle has 1 leap year and 3 normal years
 	unsigned cycles = days/1461;
@@ -115,12 +142,12 @@ void DateTime::add_days(int days)
 
 	new_year += cycles;
 
-	if((year-fudge)%4+cycles>=4)
+	if((year-fudge)%4+cycles>=4 && (new_year%100>=4 || new_year%400<4))
 	{
 		// We passed a leap year - decrement days
 		if(days==0)
 		{
-			days = is_leap_year(new_year-fudge)?365:364;
+			days = is_leap_year(new_year-fudge) ? 365 : 364;
 			--new_year;
 		}
 		else
@@ -151,7 +178,7 @@ void DateTime::set_timezone(const TimeZone &tz)
 
 void DateTime::convert_timezone(const TimeZone &tz)
 {
-	add_raw((zone.get_offset()-tz.get_offset()).raw());
+	add_raw((tz.get_offset()-zone.get_offset()).raw());
 	zone = tz;
 }
 
@@ -203,7 +230,7 @@ int DateTime::cmp(const DateTime &dt) const
 TimeStamp DateTime::get_timestamp() const
 {
 	if(year<-289701 || year>293641)
-		throw InvalidState("DateTime is not representable as a TimeStamp");
+		throw range_error("DateTime::get_timestamp");
 
 	RawTime raw = (((hour*60LL)+minute)*60+second)*1000000+usec;
 	int days = (year-1970)*365;
@@ -219,8 +246,7 @@ TimeStamp DateTime::get_timestamp() const
 
 string DateTime::format(const string &fmt) const
 {
-	ostringstream ss;
-	ss.fill('0');
+	string result;
 	for(string::const_iterator i=fmt.begin(); i!=fmt.end(); ++i)
 	{
 		if(*i=='%')
@@ -229,31 +255,31 @@ string DateTime::format(const string &fmt) const
 			if(i==fmt.end())
 				break;
 			else if(*i=='d')
-				ss<<setw(2)<<int(mday);
+				result += Msp::format("%02d", mday);
 			else if(*i=='H')
-				ss<<setw(2)<<int(hour);
+				result += Msp::format("%02d", hour);
 			else if(*i=='I')
-				ss<<setw(2)<<hour%12;
+				result += Msp::format("%02d", hour%12);
 			else if(*i=='m')
-				ss<<setw(2)<<int(month);
+				result += Msp::format("%02d", month);
 			else if(*i=='M')
-				ss<<setw(2)<<int(minute);
+				result += Msp::format("%02d", minute);
 			else if(*i=='p')
-				ss<<((hour>=12) ? "PM" : "AM");
+				result += ((hour>=12) ? "PM" : "AM");
 			else if(*i=='S')
-				ss<<setw(2)<<int(second);
+				result += Msp::format("%02d", second);
 			else if(*i=='y')
-				ss<<setw(2)<<year%100;
+				result += Msp::format("%02d", year%100);
 			else if(*i=='Y')
-				ss<<setw(4)<<internal<<year;
+				result += Msp::format("%04d", year);
 			else if(*i=='%')
-				ss<<'%';
+				result += '%';
 		}
 		else
-			ss<<*i;
+			result += *i;
 	}
 
-	return ss.str();
+	return result;
 }
 
 string DateTime::format_rfc3339() const
@@ -261,41 +287,14 @@ string DateTime::format_rfc3339() const
 	string result = format("%Y-%m-%dT%H:%M:%S");
 	if(const TimeDelta &offs = zone.get_offset())
 	{
-		ostringstream ss;
-		ss.fill('0');
 		int m = abs(static_cast<int>(offs/Time::min));
-		ss<<(offs<zero ? '+' : '-')<<setw(2)<<m/60<<':'<<setw(2)<<m%60;
-		result += ss.str();
+		result += Msp::format("%c%02d:%02d", (offs<zero ? '-' : '+'), m/60, m%60);
 	}
 	else
 		result += 'Z';
 	return result;
 }
 
-void DateTime::init(const TimeStamp &ts)
-{
-	year = 1970;
-	month = 1;
-	mday = 1;
-	hour = 0;
-	minute = 0;
-	second = 0;
-	usec = 0;
-	add_raw(ts.raw());
-}
-
-void DateTime::init(int y, unsigned char m, unsigned char d, unsigned char h, unsigned char n, unsigned char s, unsigned u)
-{
-	year = y;
-	month = m;
-	mday = d;
-	hour = h;
-	minute = n;
-	second = s;
-	usec = u;
-	validate();
-}
-
 void DateTime::add_raw(RawTime raw)
 {
 	int days = static_cast<int>(raw/86400000000LL);
@@ -306,10 +305,10 @@ void DateTime::add_raw(RawTime raw)
 		raw += 86400000000LL;
 	}
 
-	usec+=raw%1000000; raw /= 1000000;
-	second+=raw%60;    raw /= 60;
-	minute+=raw%60;    raw /= 60;
-	hour+=raw%24;      raw /= 24;
+	usec += raw%1000000; raw /= 1000000;
+	second += raw%60;    raw /= 60;
+	minute += raw%60;    raw /= 60;
+	hour += raw%24;      raw /= 24;
 
 	add_days(days);
 	normalize();
@@ -337,21 +336,5 @@ void DateTime::normalize()
 	}
 }
 
-void DateTime::validate() const
-{
-	if(usec>=1000000)
-		throw InvalidParameterValue("Microseconds out of range");
-	if(second>=60)
-		throw InvalidParameterValue("Seconds out of range");
-	if(minute>=60)
-		throw InvalidParameterValue("Minutes out of range");
-	if(hour>=24)
-		throw InvalidParameterValue("Hours out of range");
-	if(month<1 || month>12)
-		throw InvalidParameterValue("Month out of range");
-	if(mday<1 || mday>month_days(year, month))
-		throw InvalidParameterValue("Day of month out of range");
-}
-
 } // namespace Time
 } // namespace Msp