From f809440332cb82b7c933433a59a0eb1fbc092eb3 Mon Sep 17 00:00:00 2001 From: tadf Date: Fri, 11 Mar 2011 15:07:47 +0000 Subject: * ext/date/lib: moved from lib. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31095 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ext/date/lib/date/format.rb | 1311 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1311 insertions(+) create mode 100644 ext/date/lib/date/format.rb (limited to 'ext/date/lib/date') diff --git a/ext/date/lib/date/format.rb b/ext/date/lib/date/format.rb new file mode 100644 index 0000000000..6894e945e3 --- /dev/null +++ b/ext/date/lib/date/format.rb @@ -0,0 +1,1311 @@ +# format.rb: Written by Tadayoshi Funaba 1999-2010 +# $Id: format.rb,v 2.43 2008-01-17 20:16:31+09 tadf Exp $ + +class Date + + module Format # :nodoc: + + MONTHS = { + 'january' => 1, 'february' => 2, 'march' => 3, 'april' => 4, + 'may' => 5, 'june' => 6, 'july' => 7, 'august' => 8, + 'september'=> 9, 'october' =>10, 'november' =>11, 'december' =>12 + } + + DAYS = { + 'sunday' => 0, 'monday' => 1, 'tuesday' => 2, 'wednesday'=> 3, + 'thursday' => 4, 'friday' => 5, 'saturday' => 6 + } + + ABBR_MONTHS = { + 'jan' => 1, 'feb' => 2, 'mar' => 3, 'apr' => 4, + 'may' => 5, 'jun' => 6, 'jul' => 7, 'aug' => 8, + 'sep' => 9, 'oct' =>10, 'nov' =>11, 'dec' =>12 + } + + ABBR_DAYS = { + 'sun' => 0, 'mon' => 1, 'tue' => 2, 'wed' => 3, + 'thu' => 4, 'fri' => 5, 'sat' => 6 + } + + ZONES = { + 'ut' => 0*3600, 'gmt' => 0*3600, 'est' => -5*3600, 'edt' => -4*3600, + 'cst' => -6*3600, 'cdt' => -5*3600, 'mst' => -7*3600, 'mdt' => -6*3600, + 'pst' => -8*3600, 'pdt' => -7*3600, + 'a' => 1*3600, 'b' => 2*3600, 'c' => 3*3600, 'd' => 4*3600, + 'e' => 5*3600, 'f' => 6*3600, 'g' => 7*3600, 'h' => 8*3600, + 'i' => 9*3600, 'k' => 10*3600, 'l' => 11*3600, 'm' => 12*3600, + 'n' => -1*3600, 'o' => -2*3600, 'p' => -3*3600, 'q' => -4*3600, + 'r' => -5*3600, 's' => -6*3600, 't' => -7*3600, 'u' => -8*3600, + 'v' => -9*3600, 'w' =>-10*3600, 'x' =>-11*3600, 'y' =>-12*3600, + 'z' => 0*3600, + + 'utc' => 0*3600, 'wet' => 0*3600, + 'at' => -2*3600, 'brst'=> -2*3600, 'ndt' => -(2*3600+1800), + 'art' => -3*3600, 'adt' => -3*3600, 'brt' => -3*3600, 'clst'=> -3*3600, + 'nst' => -(3*3600+1800), + 'ast' => -4*3600, 'clt' => -4*3600, + 'akdt'=> -8*3600, 'ydt' => -8*3600, + 'akst'=> -9*3600, 'hadt'=> -9*3600, 'hdt' => -9*3600, 'yst' => -9*3600, + 'ahst'=>-10*3600, 'cat' =>-10*3600, 'hast'=>-10*3600, 'hst' =>-10*3600, + 'nt' =>-11*3600, + 'idlw'=>-12*3600, + 'bst' => 1*3600, 'cet' => 1*3600, 'fwt' => 1*3600, 'met' => 1*3600, + 'mewt'=> 1*3600, 'mez' => 1*3600, 'swt' => 1*3600, 'wat' => 1*3600, + 'west'=> 1*3600, + 'cest'=> 2*3600, 'eet' => 2*3600, 'fst' => 2*3600, 'mest'=> 2*3600, + 'mesz'=> 2*3600, 'sast'=> 2*3600, 'sst' => 2*3600, + 'bt' => 3*3600, 'eat' => 3*3600, 'eest'=> 3*3600, 'msk' => 3*3600, + 'msd' => 4*3600, 'zp4' => 4*3600, + 'zp5' => 5*3600, 'ist' => (5*3600+1800), + 'zp6' => 6*3600, + 'wast'=> 7*3600, + 'cct' => 8*3600, 'sgt' => 8*3600, 'wadt'=> 8*3600, + 'jst' => 9*3600, 'kst' => 9*3600, + 'east'=> 10*3600, 'gst' => 10*3600, + 'eadt'=> 11*3600, + 'idle'=> 12*3600, 'nzst'=> 12*3600, 'nzt' => 12*3600, + 'nzdt'=> 13*3600, + + 'afghanistan' => 16200, 'alaskan' => -32400, + 'arab' => 10800, 'arabian' => 14400, + 'arabic' => 10800, 'atlantic' => -14400, + 'aus central' => 34200, 'aus eastern' => 36000, + 'azores' => -3600, 'canada central' => -21600, + 'cape verde' => -3600, 'caucasus' => 14400, + 'cen. australia' => 34200, 'central america' => -21600, + 'central asia' => 21600, 'central europe' => 3600, + 'central european' => 3600, 'central pacific' => 39600, + 'central' => -21600, 'china' => 28800, + 'dateline' => -43200, 'e. africa' => 10800, + 'e. australia' => 36000, 'e. europe' => 7200, + 'e. south america' => -10800, 'eastern' => -18000, + 'egypt' => 7200, 'ekaterinburg' => 18000, + 'fiji' => 43200, 'fle' => 7200, + 'greenland' => -10800, 'greenwich' => 0, + 'gtb' => 7200, 'hawaiian' => -36000, + 'india' => 19800, 'iran' => 12600, + 'jerusalem' => 7200, 'korea' => 32400, + 'mexico' => -21600, 'mid-atlantic' => -7200, + 'mountain' => -25200, 'myanmar' => 23400, + 'n. central asia' => 21600, 'nepal' => 20700, + 'new zealand' => 43200, 'newfoundland' => -12600, + 'north asia east' => 28800, 'north asia' => 25200, + 'pacific sa' => -14400, 'pacific' => -28800, + 'romance' => 3600, 'russian' => 10800, + 'sa eastern' => -10800, 'sa pacific' => -18000, + 'sa western' => -14400, 'samoa' => -39600, + 'se asia' => 25200, 'malay peninsula' => 28800, + 'south africa' => 7200, 'sri lanka' => 21600, + 'taipei' => 28800, 'tasmania' => 36000, + 'tokyo' => 32400, 'tonga' => 46800, + 'us eastern' => -18000, 'us mountain' => -25200, + 'vladivostok' => 36000, 'w. australia' => 28800, + 'w. central africa' => 3600, 'w. europe' => 3600, + 'west asia' => 18000, 'west pacific' => 36000, + 'yakutsk' => 32400 + } + + [MONTHS, DAYS, ABBR_MONTHS, ABBR_DAYS, ZONES].each do |x| + x.freeze + end + + class BagStruct < Struct # :nodoc: + + def to_hash + h = {} + members.each do |k| + unless /\A_/ =~ k.to_s || self[k].nil? + h[k] = self[k] + end + end + h + end + + end + + Bag = BagStruct.new(:year, :mon, :yday, :mday, :wday, + :cwyear, :cweek, :cwday, + :hour, :min, :sec, :sec_fraction, + :wnum0, :wnum1, :seconds, + :zone, :offset, :leftover, + :_cent, :_merid, :_comp) + + end + + def emit(e, f) # :nodoc: + case e + when Numeric + sign = %w(+ + -)[e <=> 0] + e = e.abs + end + + s = e.to_s + + if f[:s] && f[:p] == '0' + f[:w] -= 1 + end + + if f[:s] && f[:p] == "\s" + s[0,0] = sign + end + + if f[:p] != '-' + s = s.rjust(f[:w], f[:p]) + end + + if f[:s] && f[:p] != "\s" + s[0,0] = sign + end + + s = s.upcase if f[:u] + s = s.downcase if f[:d] + s + end + + def emit_w(e, w, f) # :nodoc: + f[:w] = [f[:w], w].compact.max + emit(e, f) + end + + def emit_n(e, w, f) # :nodoc: + f[:p] ||= '0' + emit_w(e, w, f) + end + + def emit_sn(e, w, f) # :nodoc: + if e < 0 + w += 1 + f[:s] = true + end + emit_n(e, w, f) + end + + def emit_z(e, w, f) # :nodoc: + w += 1 + f[:s] = true + emit_n(e, w, f) + end + + def emit_a(e, w, f) # :nodoc: + f[:p] ||= "\s" + emit_w(e, w, f) + end + + def emit_ad(e, w, f) # :nodoc: + if f[:x] + f[:u] = true + f[:d] = false + end + emit_a(e, w, f) + end + + def emit_au(e, w, f) # :nodoc: + if f[:x] + f[:u] = false + f[:d] = true + end + emit_a(e, w, f) + end + + private :emit, :emit_w, :emit_n, :emit_sn, :emit_z, + :emit_a, :emit_ad, :emit_au + + def strftime(fmt='%F') + fmt.gsub(/%([-_0^#]+)?(\d+)?([EO]?(?::{1,3}z|.))/m) do + f = {} + m = $& + s, w, c = $1, $2, $3 + if s + s.scan(/./) do |k| + case k + when '-'; f[:p] = '-' + when '_'; f[:p] = "\s" + when '0'; f[:p] = '0' + when '^'; f[:u] = true + when '#'; f[:x] = true + end + end + end + if w + f[:w] = w.to_i + end + case c + when 'A'; emit_ad(DAYNAMES[wday], 0, f) + when 'a'; emit_ad(ABBR_DAYNAMES[wday], 0, f) + when 'B'; emit_ad(MONTHNAMES[mon], 0, f) + when 'b'; emit_ad(ABBR_MONTHNAMES[mon], 0, f) + when 'C', 'EC'; emit_sn((year / 100).floor, 2, f) + when 'c', 'Ec'; emit_a(strftime('%a %b %e %H:%M:%S %Y'), 0, f) + when 'D'; emit_a(strftime('%m/%d/%y'), 0, f) + when 'd', 'Od'; emit_n(mday, 2, f) + when 'e', 'Oe'; emit_a(mday, 2, f) + when 'F' + if m == '%F' + format('%.4d-%02d-%02d', year, mon, mday) # 4p + else + emit_a(strftime('%Y-%m-%d'), 0, f) + end + when 'G'; emit_sn(cwyear, 4, f) + when 'g'; emit_n(cwyear % 100, 2, f) + when 'H', 'OH'; emit_n(hour, 2, f) + when 'h'; emit_ad(strftime('%b'), 0, f) + when 'I', 'OI'; emit_n((hour % 12).nonzero? || 12, 2, f) + when 'j'; emit_n(yday, 3, f) + when 'k'; emit_a(hour, 2, f) + when 'L' + f[:p] = nil + w = f[:w] || 3 + u = 10**w + emit_n((sec_fraction * u).floor, w, f) + when 'l'; emit_a((hour % 12).nonzero? || 12, 2, f) + when 'M', 'OM'; emit_n(min, 2, f) + when 'm', 'Om'; emit_n(mon, 2, f) + when 'N' + f[:p] = nil + w = f[:w] || 9 + u = 10**w + emit_n((sec_fraction * u).floor, w, f) + when 'n'; emit_a("\n", 0, f) + when 'P'; emit_ad(strftime('%p').downcase, 0, f) + when 'p'; emit_au(if hour < 12 then 'AM' else 'PM' end, 0, f) + when 'Q' + s = ((ajd - UNIX_EPOCH_IN_AJD) / MILLISECONDS_IN_DAY).round + emit_sn(s, 1, f) + when 'R'; emit_a(strftime('%H:%M'), 0, f) + when 'r'; emit_a(strftime('%I:%M:%S %p'), 0, f) + when 'S', 'OS'; emit_n(sec, 2, f) + when 's' + s = ((ajd - UNIX_EPOCH_IN_AJD) / SECONDS_IN_DAY).round + emit_sn(s, 1, f) + when 'T' + if m == '%T' + format('%02d:%02d:%02d', hour, min, sec) # 4p + else + emit_a(strftime('%H:%M:%S'), 0, f) + end + when 't'; emit_a("\t", 0, f) + when 'U', 'W', 'OU', 'OW' + emit_n(if c[-1,1] == 'U' then wnum0 else wnum1 end, 2, f) + when 'u', 'Ou'; emit_n(cwday, 1, f) + when 'V', 'OV'; emit_n(cweek, 2, f) + when 'v'; emit_a(strftime('%e-%b-%Y'), 0, f) + when 'w', 'Ow'; emit_n(wday, 1, f) + when 'X', 'EX'; emit_a(strftime('%H:%M:%S'), 0, f) + when 'x', 'Ex'; emit_a(strftime('%m/%d/%y'), 0, f) + when 'Y', 'EY'; emit_sn(year, 4, f) + when 'y', 'Ey', 'Oy'; emit_n(year % 100, 2, f) + when 'Z'; emit_au(strftime('%:z'), 0, f) + when /\A(:{0,3})z/ + t = $1.size + sign = if offset < 0 then -1 else +1 end + fr = offset.abs + ss = fr.div(SECONDS_IN_DAY) # 4p + hh, ss = ss.divmod(3600) + mm, ss = ss.divmod(60) + if t == 3 + if ss.nonzero? then t = 2 + elsif mm.nonzero? then t = 1 + else t = -1 + end + end + case t + when -1 + tail = [] + sep = '' + when 0 + f[:w] -= 2 if f[:w] + tail = ['%02d' % mm] + sep = '' + when 1 + f[:w] -= 3 if f[:w] + tail = ['%02d' % mm] + sep = ':' + when 2 + f[:w] -= 6 if f[:w] + tail = ['%02d' % mm, '%02d' % ss] + sep = ':' + end + ([emit_z(sign * hh, 2, f)] + tail).join(sep) + when '%'; emit_a('%', 0, f) + when '+'; emit_a(strftime('%a %b %e %H:%M:%S %Z %Y'), 0, f) + else + m + end + end + end + +# alias_method :format, :strftime + + def asctime() strftime('%c') end + + alias_method :ctime, :asctime + + def iso8601() strftime('%F') end + + def rfc3339() strftime('%FT%T%:z') end + + def xmlschema() iso8601 end # :nodoc: + + def rfc2822() strftime('%a, %-d %b %Y %T %z') end + + alias_method :rfc822, :rfc2822 + + def httpdate() new_offset(0).strftime('%a, %d %b %Y %T GMT') end # :nodoc: + + def jisx0301 + if jd < 2405160 + strftime('%F') + else + case jd + when 2405160...2419614 + g = 'M%02d' % (year - 1867) + when 2419614...2424875 + g = 'T%02d' % (year - 1911) + when 2424875...2447535 + g = 'S%02d' % (year - 1925) + else + g = 'H%02d' % (year - 1988) + end + g + strftime('.%m.%d') + end + end + +=begin + def beat(n=0) + i, f = (new_offset(HOURS_IN_DAY).day_fraction * 1000).divmod(1) + ('@%03d' % i) + + if n < 1 + '' + else + '.%0*d' % [n, (f / Rational(1, 10**n)).round] + end + end +=end + + def self.num_pattern? (s) # :nodoc: + /\A%[EO]?[CDdeFGgHIjkLlMmNQRrSsTUuVvWwXxYy\d]/ =~ s || /\A\d/ =~ s + end + + private_class_method :num_pattern? + + def self._strptime_i(str, fmt, e) # :nodoc: + fmt.scan(/%([EO]?(?::{1,3}z|.))|(.)/m) do |s, c| + a = $& + if s + case s + when 'A', 'a' + return unless str.sub!(/\A(#{Format::DAYS.keys.join('|')})/io, '') || + str.sub!(/\A(#{Format::ABBR_DAYS.keys.join('|')})/io, '') + val = Format::DAYS[$1.downcase] || Format::ABBR_DAYS[$1.downcase] + return unless val + e.wday = val + when 'B', 'b', 'h' + return unless str.sub!(/\A(#{Format::MONTHS.keys.join('|')})/io, '') || + str.sub!(/\A(#{Format::ABBR_MONTHS.keys.join('|')})/io, '') + val = Format::MONTHS[$1.downcase] || Format::ABBR_MONTHS[$1.downcase] + return unless val + e.mon = val + when 'C', 'EC' + return unless str.sub!(if num_pattern?($') + then /\A([-+]?\d{1,2})/ + else /\A([-+]?\d{1,})/ + end, '') + val = $1.to_i + e._cent = val + when 'c', 'Ec' + return unless _strptime_i(str, '%a %b %e %H:%M:%S %Y', e) + when 'D' + return unless _strptime_i(str, '%m/%d/%y', e) + when 'd', 'e', 'Od', 'Oe' + return unless str.sub!(/\A( \d|\d{1,2})/, '') + val = $1.to_i + return unless (1..31) === val + e.mday = val + when 'F' + return unless _strptime_i(str, '%Y-%m-%d', e) + when 'G' + return unless str.sub!(if num_pattern?($') + then /\A([-+]?\d{1,4})/ + else /\A([-+]?\d{1,})/ + end, '') + val = $1.to_i + e.cwyear = val + when 'g' + return unless str.sub!(/\A(\d{1,2})/, '') + val = $1.to_i + return unless (0..99) === val + e.cwyear = val + e._cent ||= if val >= 69 then 19 else 20 end + when 'H', 'k', 'OH' + return unless str.sub!(/\A( \d|\d{1,2})/, '') + val = $1.to_i + return unless (0..24) === val + e.hour = val + when 'I', 'l', 'OI' + return unless str.sub!(/\A( \d|\d{1,2})/, '') + val = $1.to_i + return unless (1..12) === val + e.hour = val + when 'j' + return unless str.sub!(/\A(\d{1,3})/, '') + val = $1.to_i + return unless (1..366) === val + e.yday = val + when 'L' + return unless str.sub!(if num_pattern?($') + then /\A([-+]?\d{1,3})/ + else /\A([-+]?\d{1,})/ + end, '') +# val = Rational($1.to_i, 10**3) + val = Rational($1.to_i, 10**$1.size) + e.sec_fraction = val + when 'M', 'OM' + return unless str.sub!(/\A(\d{1,2})/, '') + val = $1.to_i + return unless (0..59) === val + e.min = val + when 'm', 'Om' + return unless str.sub!(/\A(\d{1,2})/, '') + val = $1.to_i + return unless (1..12) === val + e.mon = val + when 'N' + return unless str.sub!(if num_pattern?($') + then /\A([-+]?\d{1,9})/ + else /\A([-+]?\d{1,})/ + end, '') +# val = Rational($1.to_i, 10**9) + val = Rational($1.to_i, 10**$1.size) + e.sec_fraction = val + when 'n', 't' + return unless _strptime_i(str, "\s", e) + when 'P', 'p' + return unless str.sub!(/\A([ap])(?:m\b|\.m\.)/i, '') + e._merid = if $1.downcase == 'a' then 0 else 12 end + when 'Q' + return unless str.sub!(/\A(-?\d{1,})/, '') + val = Rational($1.to_i, 10**3) + e.seconds = val + when 'R' + return unless _strptime_i(str, '%H:%M', e) + when 'r' + return unless _strptime_i(str, '%I:%M:%S %p', e) + when 'S', 'OS' + return unless str.sub!(/\A(\d{1,2})/, '') + val = $1.to_i + return unless (0..60) === val + e.sec = val + when 's' + return unless str.sub!(/\A(-?\d{1,})/, '') + val = $1.to_i + e.seconds = val + when 'T' + return unless _strptime_i(str, '%H:%M:%S', e) + when 'U', 'W', 'OU', 'OW' + return unless str.sub!(/\A(\d{1,2})/, '') + val = $1.to_i + return unless (0..53) === val + e.__send__(if s[-1,1] == 'U' then :wnum0= else :wnum1= end, val) + when 'u', 'Ou' + return unless str.sub!(/\A(\d{1})/, '') + val = $1.to_i + return unless (1..7) === val + e.cwday = val + when 'V', 'OV' + return unless str.sub!(/\A(\d{1,2})/, '') + val = $1.to_i + return unless (1..53) === val + e.cweek = val + when 'v' + return unless _strptime_i(str, '%e-%b-%Y', e) + when 'w' + return unless str.sub!(/\A(\d{1})/, '') + val = $1.to_i + return unless (0..6) === val + e.wday = val + when 'X', 'EX' + return unless _strptime_i(str, '%H:%M:%S', e) + when 'x', 'Ex' + return unless _strptime_i(str, '%m/%d/%y', e) + when 'Y', 'EY' + return unless str.sub!(if num_pattern?($') + then /\A([-+]?\d{1,4})/ + else /\A([-+]?\d{1,})/ + end, '') + val = $1.to_i + e.year = val + when 'y', 'Ey', 'Oy' + return unless str.sub!(/\A(\d{1,2})/, '') + val = $1.to_i + return unless (0..99) === val + e.year = val + e._cent ||= if val >= 69 then 19 else 20 end + when 'Z', /\A:{0,3}z/ + return unless str.sub!(/\A((?:gmt|utc?)?[-+]\d+(?:[,.:]\d+(?::\d+)?)? + |[[:alpha:].\s]+(?:standard|daylight)\s+time\b + |[[:alpha:]]+(?:\s+dst)?\b + )/ix, '') + val = $1 + e.zone = val + offset = zone_to_diff(val) + e.offset = offset + when '%' + return unless str.sub!(/\A%/, '') + when '+' + return unless _strptime_i(str, '%a %b %e %H:%M:%S %Z %Y', e) + else + return unless str.sub!(Regexp.new('\\A' + Regexp.quote(a)), '') + end + else + case c + when /\A\s/ + str.sub!(/\A\s+/, '') + else + return unless str.sub!(Regexp.new('\\A' + Regexp.quote(a)), '') + end + end + end + end + + private_class_method :_strptime_i + + def self._strptime(str, fmt='%F') + str = str.dup + e = Format::Bag.new + return unless _strptime_i(str, fmt, e) + + if e._cent + if e.cwyear + e.cwyear += e._cent * 100 + end + if e.year + e. year += e._cent * 100 + end + end + + if e._merid + if e.hour + e.hour %= 12 + e.hour += e._merid + end + end + + unless str.empty? + e.leftover = str + end + + e.to_hash + end + + def self.s3e(e, y, m, d, bc=false) + unless String === m + m = m.to_s + end + + if y && m && !d + y, m, d = d, y, m + end + + if y == nil + if d && d.size > 2 + y = d + d = nil + end + if d && d[0,1] == "'" + y = d + d = nil + end + end + + if y + y.scan(/(\d+)(.+)?/) + if $2 + y, d = d, $1 + end + end + + if m + if m[0,1] == "'" || m.size > 2 + y, m, d = m, d, y # us -> be + end + end + + if d + if d[0,1] == "'" || d.size > 2 + y, d = d, y + end + end + + if y + y =~ /([-+])?(\d+)/ + if $1 || $2.size > 2 + c = false + end + iy = $&.to_i + if bc + iy = -iy + 1 + end + e.year = iy + end + + if m + m =~ /\d+/ + e.mon = $&.to_i + end + + if d + d =~ /\d+/ + e.mday = $&.to_i + end + + if c != nil + e._comp = c + end + + end + + private_class_method :s3e + + def self._parse_day(str, e) # :nodoc: + if str.sub!(/\b(#{Format::ABBR_DAYS.keys.join('|')})[^-\d\s]*/io, ' ') + e.wday = Format::ABBR_DAYS[$1.downcase] + true +=begin + elsif str.sub!(/\b(?!\dth)(su|mo|tu|we|th|fr|sa)\b/i, ' ') + e.wday = %w(su mo tu we th fr sa).index($1.downcase) + true +=end + end + end + + def self._parse_time(str, e) # :nodoc: + if str.sub!( + /( + (?: + \d+\s*:\s*\d+ + (?: + \s*:\s*\d+(?:[,.]\d*)? + )? + | + \d+\s*h(?:\s*\d+m?(?:\s*\d+s?)?)? + ) + (?: + \s* + [ap](?:m\b|\.m\.) + )? + | + \d+\s*[ap](?:m\b|\.m\.) + ) + (?: + \s* + ( + (?:gmt|utc?)?[-+]\d+(?:[,.:]\d+(?::\d+)?)? + | + [[:alpha:].\s]+(?:standard|daylight)\stime\b + | + [[:alpha:]]+(?:\sdst)?\b + ) + )? + /ix, + ' ') + + t = $1 + e.zone = $2 if $2 + + t =~ /\A(\d+)h? + (?:\s*:?\s*(\d+)m? + (?: + \s*:?\s*(\d+)(?:[,.](\d+))?s? + )? + )? + (?:\s*([ap])(?:m\b|\.m\.))?/ix + + e.hour = $1.to_i + e.min = $2.to_i if $2 + e.sec = $3.to_i if $3 + e.sec_fraction = Rational($4.to_i, 10**$4.size) if $4 + + if $5 + e.hour %= 12 + if $5.downcase == 'p' + e.hour += 12 + end + end + true + end + end + +=begin + def self._parse_beat(str, e) # :nodoc: + if str.sub!(/@\s*(\d+)(?:[,.](\d*))?/, ' ') + beat = Rational($1.to_i) + beat += Rational($2.to_i, 10**$2.size) if $2 + secs = Rational(beat, 1000) + h, min, s, fr = self.day_fraction_to_time(secs) + e.hour = h + e.min = min + e.sec = s + e.sec_fraction = fr * 86400 + e.zone = '+01:00' + true + end + end +=end + + def self._parse_eu(str, e) # :nodoc: + if str.sub!( + /'?(\d+)[^-\d\s]* + \s* + (#{Format::ABBR_MONTHS.keys.join('|')})[^-\d\s']* + (?: + \s* + (c(?:e|\.e\.)|b(?:ce|\.c\.e\.)|a(?:d|\.d\.)|b(?:c|\.c\.))? + \s* + ('?-?\d+(?:(?:st|nd|rd|th)\b)?) + )? + /iox, + ' ') # ' + s3e(e, $4, Format::ABBR_MONTHS[$2.downcase], $1, + $3 && $3[0,1].downcase == 'b') + true + end + end + + def self._parse_us(str, e) # :nodoc: + if str.sub!( + /\b(#{Format::ABBR_MONTHS.keys.join('|')})[^-\d\s']* + \s* + ('?\d+)[^-\d\s']* + (?: + \s* + (c(?:e|\.e\.)|b(?:ce|\.c\.e\.)|a(?:d|\.d\.)|b(?:c|\.c\.))? + \s* + ('?-?\d+) + )? + /iox, + ' ') # ' + s3e(e, $4, Format::ABBR_MONTHS[$1.downcase], $2, + $3 && $3[0,1].downcase == 'b') + true + end + end + + def self._parse_iso(str, e) # :nodoc: + if str.sub!(/('?[-+]?\d+)-(\d+)-('?-?\d+)/, ' ') + s3e(e, $1, $2, $3) + true + end + end + + def self._parse_iso2(str, e) # :nodoc: + if str.sub!(/\b(\d{2}|\d{4})?-?w(\d{2})(?:-?(\d))?\b/i, ' ') + e.cwyear = $1.to_i if $1 + e.cweek = $2.to_i + e.cwday = $3.to_i if $3 + true + elsif str.sub!(/-w-(\d)\b/i, ' ') + e.cwday = $1.to_i + true + elsif str.sub!(/--(\d{2})?-(\d{2})\b/, ' ') + e.mon = $1.to_i if $1 + e.mday = $2.to_i + true + elsif str.sub!(/--(\d{2})(\d{2})?\b/, ' ') + e.mon = $1.to_i + e.mday = $2.to_i if $2 + true + elsif /[,.](\d{2}|\d{4})-\d{3}\b/ !~ str && + str.sub!(/\b(\d{2}|\d{4})-(\d{3})\b/, ' ') + e.year = $1.to_i + e.yday = $2.to_i + true + elsif /\d-\d{3}\b/ !~ str && + str.sub!(/\b-(\d{3})\b/, ' ') + e.yday = $1.to_i + true + end + end + + def self._parse_jis(str, e) # :nodoc: + if str.sub!(/\b([mtsh])(\d+)\.(\d+)\.(\d+)/i, ' ') + era = { 'm'=>1867, + 't'=>1911, + 's'=>1925, + 'h'=>1988 + }[$1.downcase] + e.year = $2.to_i + era + e.mon = $3.to_i + e.mday = $4.to_i + true + end + end + + def self._parse_vms(str, e) # :nodoc: + if str.sub!(/('?-?\d+)-(#{Format::ABBR_MONTHS.keys.join('|')})[^-]* + -('?-?\d+)/iox, ' ') + s3e(e, $3, Format::ABBR_MONTHS[$2.downcase], $1) + true + elsif str.sub!(/\b(#{Format::ABBR_MONTHS.keys.join('|')})[^-]* + -('?-?\d+)(?:-('?-?\d+))?/iox, ' ') + s3e(e, $3, Format::ABBR_MONTHS[$1.downcase], $2) + true + end + end + + def self._parse_sla(str, e) # :nodoc: + if str.sub!(%r|('?-?\d+)/\s*('?\d+)(?:\D\s*('?-?\d+))?|, ' ') # ' + s3e(e, $1, $2, $3) + true + end + end + + def self._parse_dot(str, e) # :nodoc: + if str.sub!(%r|('?-?\d+)\.\s*('?\d+)\.\s*('?-?\d+)|, ' ') # ' + s3e(e, $1, $2, $3) + true + end + end + + def self._parse_year(str, e) # :nodoc: + if str.sub!(/'(\d+)\b/, ' ') + e.year = $1.to_i + true + end + end + + def self._parse_mon(str, e) # :nodoc: + if str.sub!(/\b(#{Format::ABBR_MONTHS.keys.join('|')})\S*/io, ' ') + e.mon = Format::ABBR_MONTHS[$1.downcase] + true + end + end + + def self._parse_mday(str, e) # :nodoc: + if str.sub!(/(\d+)(st|nd|rd|th)\b/i, ' ') + e.mday = $1.to_i + true + end + end + + def self._parse_ddd(str, e) # :nodoc: + if str.sub!( + /([-+]?)(\d{2,14}) + (?: + \s* + t? + \s* + (\d{2,6})?(?:[,.](\d*))? + )? + (?: + \s* + ( + z\b + | + [-+]\d{1,4}\b + | + \[[-+]?\d[^\]]*\] + ) + )? + /ix, + ' ') + case $2.size + when 2 + if $3.nil? && $4 + e.sec = $2[-2, 2].to_i + else + e.mday = $2[ 0, 2].to_i + end + when 4 + if $3.nil? && $4 + e.sec = $2[-2, 2].to_i + e.min = $2[-4, 2].to_i + else + e.mon = $2[ 0, 2].to_i + e.mday = $2[ 2, 2].to_i + end + when 6 + if $3.nil? && $4 + e.sec = $2[-2, 2].to_i + e.min = $2[-4, 2].to_i + e.hour = $2[-6, 2].to_i + else + e.year = ($1 + $2[ 0, 2]).to_i + e.mon = $2[ 2, 2].to_i + e.mday = $2[ 4, 2].to_i + end + when 8, 10, 12, 14 + if $3.nil? && $4 + e.sec = $2[-2, 2].to_i + e.min = $2[-4, 2].to_i + e.hour = $2[-6, 2].to_i + e.mday = $2[-8, 2].to_i + if $2.size >= 10 + e.mon = $2[-10, 2].to_i + end + if $2.size == 12 + e.year = ($1 + $2[-12, 2]).to_i + end + if $2.size == 14 + e.year = ($1 + $2[-14, 4]).to_i + e._comp = false + end + else + e.year = ($1 + $2[ 0, 4]).to_i + e.mon = $2[ 4, 2].to_i + e.mday = $2[ 6, 2].to_i + e.hour = $2[ 8, 2].to_i if $2.size >= 10 + e.min = $2[10, 2].to_i if $2.size >= 12 + e.sec = $2[12, 2].to_i if $2.size >= 14 + e._comp = false + end + when 3 + if $3.nil? && $4 + e.sec = $2[-2, 2].to_i + e.min = $2[-3, 1].to_i + else + e.yday = $2[ 0, 3].to_i + end + when 5 + if $3.nil? && $4 + e.sec = $2[-2, 2].to_i + e.min = $2[-4, 2].to_i + e.hour = $2[-5, 1].to_i + else + e.year = ($1 + $2[ 0, 2]).to_i + e.yday = $2[ 2, 3].to_i + end + when 7 + if $3.nil? && $4 + e.sec = $2[-2, 2].to_i + e.min = $2[-4, 2].to_i + e.hour = $2[-6, 2].to_i + e.mday = $2[-7, 1].to_i + else + e.year = ($1 + $2[ 0, 4]).to_i + e.yday = $2[ 4, 3].to_i + end + end + if $3 + if $4 + case $3.size + when 2, 4, 6 + e.sec = $3[-2, 2].to_i + e.min = $3[-4, 2].to_i if $3.size >= 4 + e.hour = $3[-6, 2].to_i if $3.size >= 6 + end + else + case $3.size + when 2, 4, 6 + e.hour = $3[ 0, 2].to_i + e.min = $3[ 2, 2].to_i if $3.size >= 4 + e.sec = $3[ 4, 2].to_i if $3.size >= 6 + end + end + end + if $4 + e.sec_fraction = Rational($4.to_i, 10**$4.size) + end + if $5 + e.zone = $5 + if e.zone[0,1] == '[' + o, n, = e.zone[1..-2].split(':') + e.zone = n || o + if /\A\d/ =~ o + o = format('+%s', o) + end + e.offset = zone_to_diff(o) + end + end + true + end + end + + private_class_method :_parse_day, :_parse_time, # :_parse_beat, + :_parse_eu, :_parse_us, :_parse_iso, :_parse_iso2, + :_parse_jis, :_parse_vms, :_parse_sla, :_parse_dot, + :_parse_year, :_parse_mon, :_parse_mday, :_parse_ddd + + def self._parse(str, comp=true) + str = str.dup + + e = Format::Bag.new + + e._comp = comp + + str.gsub!(/[^-+',.\/:@[:alnum:]\[\]]+/, ' ') + + _parse_time(str, e) # || _parse_beat(str, e) + _parse_day(str, e) + + _parse_eu(str, e) || + _parse_us(str, e) || + _parse_iso(str, e) || + _parse_jis(str, e) || + _parse_vms(str, e) || + _parse_sla(str, e) || + _parse_dot(str, e) || + _parse_iso2(str, e) || + _parse_year(str, e) || + _parse_mon(str, e) || + _parse_mday(str, e) || + _parse_ddd(str, e) + + if str.sub!(/\b(bc\b|bce\b|b\.c\.|b\.c\.e\.)/i, ' ') + if e.year + e.year = -e.year + 1 + end + end + + if str.sub!(/\A\s*(\d{1,2})\s*\z/, ' ') + if e.hour && !e.mday + v = $1.to_i + if (1..31) === v + e.mday = v + end + end + if e.mday && !e.hour + v = $1.to_i + if (0..24) === v + e.hour = v + end + end + end + + if e._comp + if e.cwyear + if e.cwyear >= 0 && e.cwyear <= 99 + e.cwyear += if e.cwyear >= 69 + then 1900 else 2000 end + end + end + if e.year + if e.year >= 0 && e.year <= 99 + e.year += if e.year >= 69 + then 1900 else 2000 end + end + end + end + + e.offset ||= zone_to_diff(e.zone) if e.zone + + e.to_hash + end + + def self._iso8601(str) # :nodoc: + if /\A\s*(([-+]?\d{2,}|-)-\d{2}-\d{2}| + ([-+]?\d{2,})?-\d{3}| + (\d{2}|\d{4})?-w\d{2}-\d| + -w-\d) + (t + \d{2}:\d{2}(:\d{2}([,.]\d+)?)? + (z|[-+]\d{2}(:?\d{2})?)?)?\s*\z/ix =~ str + _parse(str) + elsif /\A\s*(([-+]?(\d{2}|\d{4})|--)\d{2}\d{2}| + ([-+]?(\d{2}|\d{4}))?\d{3}|-\d{3}| + (\d{2}|\d{4})?w\d{2}\d) + (t? + \d{2}\d{2}(\d{2}([,.]\d+)?)? + (z|[-+]\d{2}(\d{2})?)?)?\s*\z/ix =~ str + _parse(str) + elsif /\A\s*(\d{2}:\d{2}(:\d{2}([,.]\d+)?)? + (z|[-+]\d{2}(:?\d{2})?)?)?\s*\z/ix =~ str + _parse(str) + elsif /\A\s*(\d{2}\d{2}(\d{2}([,.]\d+)?)? + (z|[-+]\d{2}(\d{2})?)?)?\s*\z/ix =~ str + _parse(str) + end + end + + def self._rfc3339(str) # :nodoc: + if /\A\s*-?\d{4}-\d{2}-\d{2} # allow minus, anyway + (t|\s) + \d{2}:\d{2}:\d{2}(\.\d+)? + (z|[-+]\d{2}:\d{2})\s*\z/ix =~ str + _parse(str) + end + end + + def self._xmlschema(str) # :nodoc: + if /\A\s*(-?\d{4,})(?:-(\d{2})(?:-(\d{2}))?)? + (?:t + (\d{2}):(\d{2}):(\d{2})(?:\.(\d+))?)? + (z|[-+]\d{2}:\d{2})?\s*\z/ix =~ str + e = Format::Bag.new + e.year = $1.to_i + e.mon = $2.to_i if $2 + e.mday = $3.to_i if $3 + e.hour = $4.to_i if $4 + e.min = $5.to_i if $5 + e.sec = $6.to_i if $6 + e.sec_fraction = Rational($7.to_i, 10**$7.size) if $7 + if $8 + e.zone = $8 + e.offset = zone_to_diff($8) + end + e.to_hash + elsif /\A\s*(\d{2}):(\d{2}):(\d{2})(?:\.(\d+))? + (z|[-+]\d{2}:\d{2})?\s*\z/ix =~ str + e = Format::Bag.new + e.hour = $1.to_i if $1 + e.min = $2.to_i if $2 + e.sec = $3.to_i if $3 + e.sec_fraction = Rational($4.to_i, 10**$4.size) if $4 + if $5 + e.zone = $5 + e.offset = zone_to_diff($5) + end + e.to_hash + elsif /\A\s*(?:--(\d{2})(?:-(\d{2}))?|---(\d{2})) + (z|[-+]\d{2}:\d{2})?\s*\z/ix =~ str + e = Format::Bag.new + e.mon = $1.to_i if $1 + e.mday = $2.to_i if $2 + e.mday = $3.to_i if $3 + if $4 + e.zone = $4 + e.offset = zone_to_diff($4) + end + e.to_hash + end + end + + def self._rfc2822(str) # :nodoc: + if /\A\s*(?:(?:#{Format::ABBR_DAYS.keys.join('|')})\s*,\s+)? + \d{1,2}\s+ + (?:#{Format::ABBR_MONTHS.keys.join('|')})\s+ + -?(\d{2,})\s+ # allow minus, anyway + \d{2}:\d{2}(:\d{2})?\s* + (?:[-+]\d{4}|ut|gmt|e[sd]t|c[sd]t|m[sd]t|p[sd]t|[a-ik-z])\s*\z/iox =~ str + e = _parse(str, false) + if $1.size < 4 + if e[:year] < 50 + e[:year] += 2000 + elsif e[:year] < 1000 + e[:year] += 1900 + end + end + e + end + end + + class << self; alias_method :_rfc822, :_rfc2822 end + + def self._httpdate(str) # :nodoc: + if /\A\s*(#{Format::ABBR_DAYS.keys.join('|')})\s*,\s+ + \d{2}\s+ + (#{Format::ABBR_MONTHS.keys.join('|')})\s+ + -?\d{4}\s+ # allow minus, anyway + \d{2}:\d{2}:\d{2}\s+ + gmt\s*\z/iox =~ str + _rfc2822(str) + elsif /\A\s*(#{Format::DAYS.keys.join('|')})\s*,\s+ + \d{2}\s*-\s* + (#{Format::ABBR_MONTHS.keys.join('|')})\s*-\s* + \d{2}\s+ + \d{2}:\d{2}:\d{2}\s+ + gmt\s*\z/iox =~ str + _parse(str) + elsif /\A\s*(#{Format::ABBR_DAYS.keys.join('|')})\s+ + (#{Format::ABBR_MONTHS.keys.join('|')})\s+ + \d{1,2}\s+ + \d{2}:\d{2}:\d{2}\s+ + \d{4}\s*\z/iox =~ str + _parse(str) + end + end + + def self._jisx0301(str) # :nodoc: + if /\A\s*[mtsh]?\d{2}\.\d{2}\.\d{2} + (t + (\d{2}:\d{2}(:\d{2}([,.]\d*)?)? + (z|[-+]\d{2}(:?\d{2})?)?)?)?\s*\z/ix =~ str + if /\A\s*\d/ =~ str + _parse(str.sub(/\A\s*(\d)/, 'h\1')) + else + _parse(str) + end + else + _iso8601(str) + end + end + + t = Module.new do + + private + + def zone_to_diff(zone) # :nodoc: + zone = zone.downcase + if zone.sub!(/\s+(standard|daylight)\s+time\z/, '') + dst = $1 == 'daylight' + else + dst = zone.sub!(/\s+dst\z/, '') + end + if Format::ZONES.include?(zone) + offset = Format::ZONES[zone] + offset += 3600 if dst + elsif zone.sub!(/\A(?:gmt|utc?)?([-+])/, '') + sign = $1 + if zone.include?(':') + hour, min, sec, = zone.split(':') + elsif zone.include?(',') || zone.include?('.') + hour, fr, = zone.split(/[,.]/) + min = Rational(fr.to_i, 10**fr.size) * 60 + else + case zone.size + when 3 + hour = zone[0,1] + min = zone[1,2] + else + hour = zone[0,2] + min = zone[2,2] + sec = zone[4,2] + end + end + offset = hour.to_i * 3600 + min.to_i * 60 + sec.to_i + offset *= -1 if sign == '-' + end + offset + end + + end + + extend t + include t + +end + +class DateTime < Date + + def strftime(fmt='%FT%T%:z') + super(fmt) + end + + def self._strptime(str, fmt='%FT%T%z') + super(str, fmt) + end + + def iso8601_timediv(n) # :nodoc: + strftime('T%T' + + if n < 1 + '' + else + '.%0*d' % [n, (sec_fraction / Rational(1, 10**n)).round] + end + + '%:z') + end + + private :iso8601_timediv + + def iso8601(n=0) + super() + iso8601_timediv(n) + end + + def rfc3339(n=0) iso8601(n) end + + def xmlschema(n=0) iso8601(n) end # :nodoc: + + def jisx0301(n=0) + super() + iso8601_timediv(n) + end + +end -- cgit v1.2.3