diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/date.rb | 277 | ||||
-rw-r--r-- | lib/date/format.rb | 10 |
2 files changed, 164 insertions, 123 deletions
diff --git a/lib/date.rb b/lib/date.rb index 3a5ad9447a..79a3eda3dd 100644 --- a/lib/date.rb +++ b/lib/date.rb @@ -1,5 +1,5 @@ # date.rb: Written by Tadayoshi Funaba 1998-2002 -# $Id: date.rb,v 2.6 2002-05-14 07:43:18+09 tadf Exp $ +# $Id: date.rb,v 2.8 2002-06-08 00:39:51+09 tadf Exp $ require 'rational' require 'date/format' @@ -97,14 +97,21 @@ class Date (d - 1) end - def self.clfloor(x, y=1) - q, r = x.divmod(y) - q = q.to_i - return q, r + %w(self.clfloor clfloor).each do |name| + module_eval <<-"end;" + def #{name}(x, y=1) + q, r = x.divmod(y) + q = q.to_i + return q, r + end + end; end - def self.rjd_to_jd(rjd, of=0) clfloor(rjd + of + 1.to_r/2) end - def self.jd_to_rjd(jd, fr, of=0) jd + fr - of - 1.to_r/2 end + private_class_method :clfloor + private :clfloor + + def self.ajd_to_jd(ajd, of=0) clfloor(ajd + of + 1.to_r/2) end + def self.jd_to_ajd(jd, fr, of=0) jd + fr - of - 1.to_r/2 end def self.day_fraction_to_time(fr) h, fr = clfloor(fr, 1.to_r/24) @@ -117,12 +124,10 @@ class Date h.to_r/24 + min.to_r/1440 + s.to_r/86400 end - def self.mjd_to_jd(mjd) mjd + 4800001.to_r/2 end - def self.jd_to_mjd(jd) jd - 4800001.to_r/2 end - def self.tjd_to_jd(tjd) tjd + 4880001.to_r/2 end - def self.jd_to_tjd(jd) jd - 4880001.to_r/2 end - def self.tjd2_to_jd(cycle, tjd) tjd_to_jd(cycle * 10000 + tjd) end - def self.jd_to_tjd2(jd) clfloor(jd_to_tjd(jd), 10000) end + def self.amjd_to_ajd(amjd) amjd + 4800001.to_r/2 end + def self.ajd_to_amjd(ajd) ajd - 4800001.to_r/2 end + def self.mjd_to_jd(mjd) mjd + 2400001 end + def self.jd_to_mjd(jd) jd - 2400001 end def self.ld_to_jd(ld) ld + 2299160 end def self.jd_to_ld(jd) jd - 2299160 end @@ -134,18 +139,14 @@ class Date class << self; alias_method :leap?, :gregorian_leap? end class << self; alias_method :new0, :new end - def self.exist1? (jd, sg=ITALY) jd end - - class << self; alias_method :valid_jd?, :exist1? end + def self.valid_jd? (jd, sg=ITALY) jd end - def self.new1(jd=0, sg=ITALY) - jd = exist1?(jd, sg) - new0(jd_to_rjd(jd, 0, 0), 0, sg) + def self.jd(jd=0, sg=ITALY) + jd = valid_jd?(jd, sg) + new0(jd_to_ajd(jd, 0, 0), 0, sg) end - class << self; alias_method :jd, :new1 end - - def self.exist2? (y, d, sg=ITALY) + def self.valid_ordinal? (y, d, sg=ITALY) if d < 0 ny, = clfloor(y + 1, 1) jd = ordinal_to_jd(ny, d + 1, sg) @@ -159,18 +160,14 @@ class Date jd end - class << self; alias_method :valid_ordinal?, :exist2? end - - def self.new2(y=-4712, d=1, sg=ITALY) - unless jd = exist2?(y, d, sg) + def self.ordinal(y=-4712, d=1, sg=ITALY) + unless jd = valid_ordinal?(y, d, sg) raise ArgumentError, 'invalid date' end - new0(jd_to_rjd(jd, 0, 0), 0, sg) + new0(jd_to_ajd(jd, 0, 0), 0, sg) end - class << self; alias_method :ordinal, :new2 end - - def self.exist3? (y, m, d, sg=ITALY) + def self.valid_civil? (y, m, d, sg=ITALY) if m < 0 m += 13 end @@ -188,20 +185,18 @@ class Date jd end - class << self; alias_method :exist?, :exist3? end - class << self; alias_method :valid_civil?, :exist3? end + class << self; alias_method :valid_date?, :valid_civil? end - def self.new3(y=-4712, m=1, d=1, sg=ITALY) - unless jd = exist3?(y, m, d, sg) + def self.civil(y=-4712, m=1, d=1, sg=ITALY) + unless jd = valid_civil?(y, m, d, sg) raise ArgumentError, 'invalid date' end - new0(jd_to_rjd(jd, 0, 0), 0, sg) + new0(jd_to_ajd(jd, 0, 0), 0, sg) end - class << self; alias_method :new, :new3 end - class << self; alias_method :civil, :new3 end + class << self; alias_method :new, :civil end - def self.existw? (y, w, d, sg=ITALY) + def self.valid_commercial? (y, w, d, sg=ITALY) if d < 0 d += 8 end @@ -214,24 +209,20 @@ class Date jd end - class << self; alias_method :valid_commercial?, :existw? end - - def self.neww(y=1582, w=41, d=5, sg=ITALY) - unless jd = existw?(y, w, d, sg) + def self.commercial(y=1582, w=41, d=5, sg=ITALY) + unless jd = valid_commercial?(y, w, d, sg) raise ArgumentError, 'invalid date' end - new0(jd_to_rjd(jd, 0, 0), 0, sg) + new0(jd_to_ajd(jd, 0, 0), 0, sg) end - class << self; alias_method :commercial, :neww end - def self.new_with_hash(elem, sg) elem ||= {} y, m, d = elem.select(:year, :mon, :mday) if [y, m, d].include? nil raise ArgumentError, 'invalid date' else - new3(y, m, d, sg) + civil(y, m, d, sg) end end @@ -249,7 +240,7 @@ class Date def self.today(sg=ITALY) jd = civil_to_jd(*(Time.now.to_a[3..5].reverse << sg)) - new0(jd_to_rjd(jd, 0, 0), 0, sg) + new0(jd_to_ajd(jd, 0, 0), 0, sg) end class << self @@ -257,9 +248,9 @@ class Date def once(*ids) for id in ids module_eval <<-"end;" - alias_method :__#{id.to_i}__, :#{id.id2name} + alias_method :__#{id.to_i}__, :#{id.to_s} private :__#{id.to_i}__ - def #{id.id2name}(*args, &block) + def #{id.to_s}(*args, &block) (@__#{id.to_i}__ ||= [__#{id.to_i}__(*args, &block)])[0] end end; @@ -270,23 +261,19 @@ class Date end - def initialize(rjd=0, of=0, sg=ITALY) @rjd, @of, @sg = rjd, of, sg end + def initialize(ajd=0, of=0, sg=ITALY) @ajd, @of, @sg = ajd, of, sg end - def rjd() @rjd end - def rmjd() type.jd_to_mjd(@rjd) end - def rtjd() type.jd_to_tjd(@rjd) end - def rtjd2() type.jd_to_tjd2(@rjd) end + def ajd() @ajd end + def amjd() type.ajd_to_amjd(@ajd) end - once :rmjd, :rtjd, :rtjd2 + once :amjd - def jd() type.rjd_to_jd(@rjd, @of)[0] end - def day_fraction() type.rjd_to_jd(@rjd, @of)[1] end + def jd() type.ajd_to_jd(@ajd, @of)[0] end + def day_fraction() type.ajd_to_jd(@ajd, @of)[1] end def mjd() type.jd_to_mjd(jd) end - def tjd() type.jd_to_tjd(jd) end - def tjd2() type.jd_to_tjd2(jd) end def ld() type.jd_to_ld(jd) end - once :jd, :day_fraction, :mjd, :tjd, :tjd2, :ld + once :jd, :day_fraction, :mjd, :ld def civil() type.jd_to_civil(jd, @sg) end def ordinal() type.jd_to_ordinal(jd, @sg) end @@ -318,9 +305,9 @@ class Date def zone ['Z', format('%+.2d%02d', - (of / (1.to_r/24)).to_i, - (of.abs % (1.to_r/24) / (1.to_r/1440)).to_i) - ][of<=>0] + (@of / (1.to_r/24)).to_i, + (@of.abs % (1.to_r/24) / (1.to_r/1440)).to_i) + ][@of<=>0] end private :zone @@ -345,44 +332,38 @@ class Date once :leap? - def sg() @sg end - def newsg(sg=type::ITALY) type.new0(@rjd, @of, sg) end - - alias_method :start, :sg - alias_method :new_start, :newsg + def start() @sg end + def new_start(sg=type::ITALY) type.new0(@ajd, @of, sg) end - def italy() newsg(type::ITALY) end - def england() newsg(type::ENGLAND) end - def julian() newsg(type::JULIAN) end - def gregorian() newsg(type::GREGORIAN) end + def italy() new_start(type::ITALY) end + def england() new_start(type::ENGLAND) end + def julian() new_start(type::JULIAN) end + def gregorian() new_start(type::GREGORIAN) end - def of() @of end - def newof(of=0) type.new0(@rjd, of, @sg) end + def offset() @of end + def new_offset(of=0) type.new0(@ajd, of, @sg) end - alias_method :offset, :of - alias_method :new_offset, :newof - - private :of, :newof, :offset, :new_offset + private :offset, :new_offset def + (n) case n - when Numeric; return type.new0(@rjd + n, @of, @sg) + when Numeric; return type.new0(@ajd + n, @of, @sg) end raise TypeError, 'expected numeric' end def - (x) case x - when Numeric; return type.new0(@rjd - x, @of, @sg) - when Date; return @rjd - x.rjd + when Numeric; return type.new0(@ajd - x, @of, @sg) + when Date; return @ajd - x.ajd end raise TypeError, 'expected numeric or date' end def <=> (other) case other - when Numeric; return @rjd <=> other - when Date; return @rjd <=> other.rjd + when Numeric; return @ajd <=> other + when Date; return @ajd <=> other.ajd end raise TypeError, 'expected numeric or date' end @@ -396,10 +377,10 @@ class Date end def >> (n) - y, m = type.clfloor(year * 12 + (mon - 1) + n, 12) - m, = type.clfloor(m + 1, 1) + y, m = clfloor(year * 12 + (mon - 1) + n, 12) + m, = clfloor(m + 1, 1) d = mday - d -= 1 until jd2 = type.exist3?(y, m, d, ns?) + d -= 1 until jd2 = type.valid_civil?(y, m, d, ns?) self + (jd2 - jd) end @@ -423,19 +404,32 @@ class Date alias_method :next, :succ def eql? (other) Date === other and self == other end - def hash() @rjd.hash end + def hash() @ajd.hash end - def inspect() format('#<%s: %s,%s,%s>', type, @rjd, @of, @sg) end + def inspect() format('#<%s: %s,%s,%s>', type, @ajd, @of, @sg) end def to_s() strftime end - def _dump(limit) Marshal.dump([@rjd, @of, @sg], -1) end - def self._load(str) new0(*Marshal.load(str)) end + def _dump(limit) Marshal.dump([@ajd, @of, @sg], -1) end + +# def self._load(str) new0(*Marshal.load(str)) end + + def self._load(str) + a = Marshal.load(str) + if a.size == 2 + ajd, sg = a + of = 0 + ajd -= 1.to_r/2 + else + ajd, of, sg = a + end + new0(ajd, of, sg) + end end class DateTime < Date - def self.existt? (h, min, s) + def self.valid_time? (h, min, s) h += 24 if h < 0 min += 60 if min < 0 s += 60 if s < 0 @@ -445,49 +439,40 @@ class DateTime < Date time_to_day_fraction(h, min, s) end - class << self; alias_method :valid_time?, :existt? end - - def self.new1(jd=0, h=0, min=0, s=0, of=0, sg=ITALY) - unless (jd = exist1?(jd, sg)) and - (fr = existt?(h, min, s)) + def self.jd(jd=0, h=0, min=0, s=0, of=0, sg=ITALY) + unless (jd = valid_jd?(jd, sg)) and + (fr = valid_time?(h, min, s)) raise ArgumentError, 'invalid date' end - new0(jd_to_rjd(jd, fr, of), of, sg) + new0(jd_to_ajd(jd, fr, of), of, sg) end - class << self; alias_method :jd, :new1 end - - def self.new2(y=-4712, d=1, h=0, min=0, s=0, of=0, sg=ITALY) - unless (jd = exist2?(y, d, sg)) and - (fr = existt?(h, min, s)) + def self.ordinal(y=-4712, d=1, h=0, min=0, s=0, of=0, sg=ITALY) + unless (jd = valid_ordinal?(y, d, sg)) and + (fr = valid_time?(h, min, s)) raise ArgumentError, 'invalid date' end - new0(jd_to_rjd(jd, fr, of), of, sg) + new0(jd_to_ajd(jd, fr, of), of, sg) end - class << self; alias_method :ordinal, :new2 end - - def self.new3(y=-4712, m=1, d=1, h=0, min=0, s=0, of=0, sg=ITALY) - unless (jd = exist3?(y, m, d, sg)) and - (fr = existt?(h, min, s)) + def self.civil(y=-4712, m=1, d=1, h=0, min=0, s=0, of=0, sg=ITALY) + unless (jd = valid_civil?(y, m, d, sg)) and + (fr = valid_time?(h, min, s)) raise ArgumentError, 'invalid date' end - new0(jd_to_rjd(jd, fr, of), of, sg) + new0(jd_to_ajd(jd, fr, of), of, sg) end - class << self; alias_method :new, :new3 end - class << self; alias_method :civil, :new3 end + class << self; alias_method :new, :civil end - def self.neww(y=1582, w=41, d=5, h=0, min=0, s=0, of=0, sg=ITALY) - unless (jd = existw?(y, w, d, sg)) and - (fr = existt?(h, min, s)) + def self.commercial(y=1582, w=41, d=5, h=0, min=0, s=0, of=0, sg=ITALY) + unless (jd = valid_commercial?(y, w, d, sg)) and + (fr = valid_time?(h, min, s)) raise ArgumentError, 'invalid date' end - new0(jd_to_rjd(jd, fr, of), of, sg) + new0(jd_to_ajd(jd, fr, of), of, sg) end - class << self; alias_method :commercial, :neww end - def self.new_with_hash(elem, sg) elem ||= {} y, m, d, h, min, s, of = @@ -499,7 +484,7 @@ class DateTime < Date if [y, m, d].include? nil raise ArgumentError, 'invalid date' else - new3(y, m, d, h, min, s, of.to_r/86400, sg) + civil(y, m, d, h, min, s, of.to_r/86400, sg) end end @@ -525,10 +510,60 @@ class DateTime < Date d = Time.gm(*i.to_a).to_i - i.to_i d += d / d.abs if d.nonzero? of = (d / 60).to_r/1440 - new0(jd_to_rjd(jd, fr, of), of, sg) + new0(jd_to_ajd(jd, fr, of), of, sg) + end + + public :hour, :min, :sec, :sec_fraction, :zone, :offset, :new_offset + +end + +class Date + + [ %w(exist1? valid_jd?), + %w(exist2? valid_ordinal?), + %w(exist3? valid_date?), + %w(exist? valid_date?), + %w(existw? valid_commercial?), + %w(new1 jd), + %w(new2 ordinal), + %w(new3 new), + %w(neww commercial) + ].each do |old, new| + module_eval <<-"end;" + def self.#{old}(*args, &block) + if $VERBOSE + $stderr.puts("\#{caller.shift.sub(/:in .*/, '')}: " \ + "warning: \#{self}::#{old} is deprecated; " \ + "use \#{self}::#{new}") + end + #{new}(*args, &block) + end + end; + end + + [ %w(sg start), + %w(newsg new_start), + %w(of offset), + %w(newof new_offset) + ].each do |old, new| + module_eval <<-"end;" + def #{old}(*args, &block) + if $VERBOSE + $stderr.puts("\#{caller.shift.sub(/:in .*/, '')}: " \ + "warning: \#{type}\##{old} is deprecated; " \ + "use \#{type}\##{new}") + end + #{new}(*args, &block) + end + end; end - public :hour, :min, :sec, :sec_fraction, :zone, - :of, :newof, :offset, :new_offset + private :of, :newof + +end + +class DateTime < Date + + public :of, :newof end diff --git a/lib/date/format.rb b/lib/date/format.rb index 7b10d56041..e099854aa4 100644 --- a/lib/date/format.rb +++ b/lib/date/format.rb @@ -1,5 +1,5 @@ # format.rb: Written by Tadayoshi Funaba 1999-2002 -# $Id: format.rb,v 2.7 2002-05-17 21:20:28+09 tadf Exp $ +# $Id: format.rb,v 2.8 2002-06-08 00:39:51+09 tadf Exp $ class Date @@ -409,6 +409,12 @@ class Date zone = $4 end + if str.sub!(/\b(bc\b|bce\b|b\.c\.|b\.c\.e\.)/ino, ' ') + if year + year = -year + 1 + end + end + if comp and year if year >= 0 and year <= 99 if year >= 69 @@ -477,7 +483,7 @@ class Date when '%r'; o << strftime('%I:%M:%S %p') # P2,ID when '%S'; o << '%02d' % sec when '%s' # TZ,GL - d = rjd - type.jd_to_rjd(type.civil_to_jd(1970,1,1), 0) + d = ajd - type.jd_to_ajd(type.civil_to_jd(1970,1,1), 0) s = (d * 86400).to_i o << '%d' % s when '%T'; o << strftime('%H:%M:%S') # P2,ID |