diff options
Diffstat (limited to 'lib/date.rb')
| -rw-r--r-- | lib/date.rb | 50 |
1 files changed, 33 insertions, 17 deletions
diff --git a/lib/date.rb b/lib/date.rb index 0f14d59ff5..2d5090b62b 100644 --- a/lib/date.rb +++ b/lib/date.rb @@ -1,8 +1,8 @@ # # Date.rb - # $Release Version: $ -# $Revision: 1.1.1.1.4.1 $ -# $Date: 1998/01/16 12:36:04 $ +# $Revision: 1.1.1.1.4.2 $ +# $Date: 1998/02/02 04:49:13 $ # by Yasuo OHBA(SHL Japan Inc. Technology Dept.) # # -- @@ -32,10 +32,16 @@ class Date } def initialize(y = 1, m = 1, d = 1) - if y.kind_of?(String) && y.size == 8 - @year = y[0,4].to_i - @month = y[4,2].to_i - @day = y[6,2].to_i + if y.kind_of?(String) + case y + when /(\d\d\d\d)-?(?:(\d\d)-?(\d\d)?)?/ + @year = $1.to_i + @month = if $2 then $2.to_i else 1 end + @day = if $3 then $3.to_i else 1 end + else + require 'parsedate' + @year, @month, @day = ParseDate.parsedate(y) + end else if m.kind_of?(String) m = Monthtab[m.downcase] @@ -66,18 +72,25 @@ class Date def period return Date.period!(@year, @month, @day) end - + + def jd + return period + 1721423 + end + + def mjd + return jd - 2400000.5 + end + + def to_s + format("%.3s, %.3s %2d %4d", name_of_week, name_of_month, @day, @year) + end + + def inspect + to_s + end + def day_of_week - dl = Date.daylist(@year) - d = Date.jan1!(@year) - for m in 1..(@month - 1) - d += dl[m] - end - d += @day - 1 - if @year == 1752 && @month == 9 && @day >= 14 - d -= (14 - 3) - end - return (d % 7) + return (period + 5) % 7 end def name_of_week @@ -141,6 +154,9 @@ class Date end def _check_date + if @year == nil or @month == nil or @day == nil + raise ArgumentError, "argument contains nil" + end m = Date.daylist(@year) if @month < 1 || @month > 12 raise ArgumentError, "argument(month) out of range." |