kotovalexarian-likes-github/ruby--ruby
1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2022-11-09 12:17:21 -05:00
Code Releases Activity
ruby--ruby/lib/date/format.rb
tadf 41b80c47d0 updated based on date2 3.9.4. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@11055 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2006-09-30 06:13:17 +00:00

1086 lines
26 KiB
Ruby
Raw Blame History

# format.rb: Written by Tadayoshi Funaba 1999-2006
# $Id: format.rb,v 2.27 2006-09-30 13:10:32+09 tadf Exp $
require 'rational'
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, 'bst' => 1*3600, 'wat' => -1*3600,
'at' => -2*3600, 'ast' => -4*3600, 'adt' => -3*3600, 'yst' => -9*3600,
'ydt' => -8*3600, 'hst' =>-10*3600, 'hdt' => -9*3600, 'cat' =>-10*3600,
'ahst'=>-10*3600, 'nt' =>-11*3600, 'idlw'=>-12*3600, 'cet' => 1*3600,
'met' => 1*3600, 'mewt'=> 1*3600, 'mest'=> 2*3600, 'mesz'=> 2*3600,
'swt' => 1*3600, 'sst' => 2*3600, 'fwt' => 1*3600, 'fst' => 2*3600,
'eet' => 2*3600, 'bt' => 3*3600, 'zp4' => 4*3600, 'zp5' => 5*3600,
'zp6' => 6*3600, 'wast'=> 7*3600, 'wadt'=> 8*3600, 'cct' => 8*3600,
'jst' => 9*3600, 'east'=> 10*3600, 'eadt'=> 11*3600, 'gst' => 10*3600,
'nzt' => 12*3600, 'nzst'=> 12*3600, 'nzdt'=> 13*3600, 'idle'=> 12*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 Bag # :nodoc:
def method_missing(t, *args, &block)
t = t.to_s
set = t.chomp!('=')
t = '@' + t
if set
instance_variable_set(t, *args)
else
if instance_variables.include?(t)
instance_variable_get(t)
end
end
end
def to_hash
instance_variables.
select{|n| !instance_variable_get(n).nil?}.grep(/\A@[^_]/).
inject({}){|r, n| r[n[1..-1].intern] = instance_variable_get(n); r}
end
end
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 |m|
f = {}
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'; emit_sn((year / 100).floor, 2, f)
when 'c'; emit_a(strftime('%a %b %e %H:%M:%S %Y'), 0, f)
when 'D'; emit_a(strftime('%m/%d/%y'), 0, f)
when 'd'; emit_n(mday, 2, f)
when 'e'; 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'; emit_n(hour, 2, f)
when 'h'; emit_ad(strftime('%b'), 0, f)
when 'I'; emit_n((hour % 12).nonzero? || 12, 2, f)
when 'j'; emit_n(yday, 3, f)
when 'k'; emit_a(hour, 2, f)
when 'L'
emit_n((sec_fraction / (1.to_r/86400/(10**3))).round, 3, f)
when 'l'; emit_a((hour % 12).nonzero? || 12, 2, f)
when 'M'; emit_n(min, 2, f)
when 'm'; emit_n(mon, 2, f)
when 'N'
emit_n((sec_fraction / (1.to_r/86400/(10**9))).round, 9, f)
when 'n'; "\n"
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'
d = ajd - self.class.jd_to_ajd(self.class::UNIXEPOCH, 0)
s = (d * 86400*10**3).to_i
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'; emit_n(sec, 2, f)
when 's'
d = ajd - self.class.jd_to_ajd(self.class::UNIXEPOCH, 0)
s = (d * 86400).to_i
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'; "\t"
when 'U', 'W'
emit_n(if c == 'U' then wnum0 else wnum1 end, 2, f)
when 'u'; emit_n(cwday, 1, f)
when 'V'; emit_n(cweek, 2, f)
when 'v'; emit_a(strftime('%e-%b-%Y'), 0, f)
when 'w'; emit_n(wday, 1, f)
when 'X'; emit_a(strftime('%H:%M:%S'), 0, f)
when 'x'; emit_a(strftime('%m/%d/%y'), 0, f)
when 'Y'; emit_sn(year, 4, f)
when 'y'; 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.to_f
hh, fr = fr.divmod(1.0/24)
mm, fr = fr.divmod(1.0/1440)
ss, fr = fr.divmod(1.0/86400)
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)
when '1'
if $VERBOSE
warn("warning: strftime: %1 is deprecated; forget this")
end
emit_n(jd, 1, f)
when '2'
if $VERBOSE
warn("warning: strftime: %2 is deprecated; use '%Y-%j'")
end
emit_a(strftime('%Y-%j'), 0, f)
when '3'
if $VERBOSE
warn("warning: strftime: %3 is deprecated; use '%F'")
end
emit_a(strftime('%F'), 0, f)
else
c
end
end
end
# alias_method :format, :strftime
def asctime() strftime('%c') end
alias_method :ctime, :asctime
=begin
def iso8601() strftime('%F') end
def rfc3339() iso8601 end
def rfc2822() strftime('%a, %-d %b %Y %T %z') end
alias_method :rfc822, :rfc2822
def jisx0301
if jd < 2405160
iso8601
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
def beat(n=0)
i, f = (new_offset(1.to_r/24).day_fraction * 1000).divmod(1)
('@%03d' % i) +
if n < 1
''
else
'.%0*d' % [n, (f / (1.to_r/(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|
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[$1.downcase]
return unless val
e.mon = val
when 'C'
return unless str.sub!(if num_pattern?($')
then /\A([-+]?\d{1,2})/
else /\A([-+]?\d{1,})/
end, '')
val = $1.to_i
e._cent = val
when 'c'
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'
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'
return unless str.sub!(/\A( \d|\d{1,2})/, '')
val = $1.to_i
return unless (0..24) === val
e.hour = val
when 'I', 'l'
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 = $1.to_i.to_r / (10**3)
val = $1.to_i.to_r / (10**$1.size)
e.sec_fraction = val
when 'M'
return unless str.sub!(/\A(\d{1,2})/, '')
val = $1.to_i
return unless (0..59) === val
e.min = val
when 'm'
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 = $1.to_i.to_r / (10**9)
val = $1.to_i.to_r / (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 = $1.to_i.to_r / 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'
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'
return unless str.sub!(/\A(\d{1,2})/, '')
val = $1.to_i
return unless (0..53) === val
e.__send__(if s == 'U' then :wnum0= else :wnum1= end, val)
when 'u'
return unless str.sub!(/\A(\d{1})/, '')
val = $1.to_i
return unless (1..7) === val
e.cwday = val
when 'V'
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 = $1.to_i
return unless (0..6) === val
e.wday = val
when 'X'
return unless _strptime_i(str, '%H:%M:%S', e)
when 'x'
return unless _strptime_i(str, '%m/%d/%y', e)
when 'Y'
return unless str.sub!(if num_pattern?($')
then /\A([-+]?\d{1,4})/
else /\A([-+]?\d{1,})/
end, '')
val = $1.to_i
e.year = val
when 'y'
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+)?)?
|[a-z.\s]+(?:standard|daylight)\s+time\b
|[a-z]+(?:\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)
when '1'
if $VERBOSE
warn("warning: strptime: %1 is deprecated; forget this")
end
return unless str.sub!(/\A(\d+)/, '')
val = $1.to_i
e.jd = val
when '2'
if $VERBOSE
warn("warning: strptime: %2 is deprecated; use '%Y-%j'")
end
return unless _strptime_i(str, '%Y-%j', e)
when '3'
if $VERBOSE
warn("warning: strptime: %3 is deprecated; use '%F'")
end
return unless _strptime_i(str, '%F', e)
else
return unless str.sub!(Regexp.new('\\A' + Regexp.quote(s)), '')
end
else
case c
when /\A[\s\v]/
str.sub!(/\A[\s\v]+/, '')
else
return unless str.sub!(Regexp.new('\\A' + Regexp.quote(c)), '')
end
end
end
end
private_class_method :_strptime_i
def self._strptime(str, fmt='%F')
e = Format::Bag.new
return unless _strptime_i(str.dup, 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
e.to_hash
end
def self.s3e(e, y, m, d, bc=false)
unless String === m
m = m.to_s
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]*/ino, ' ')
e.wday = Format::ABBR_DAYS[$1.downcase]
true
=begin
elsif str.sub!(/\b(?!\dth)(su|mo|tu|we|th|fr|sa)\b/in, ' ')
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+)?)?
|
[a-z.\s]+(?:standard|daylight)\stime\b
|
[a-z]+(?:\sdst)?\b
)
)?
/inx,
' ')
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\.))?/inx
e.hour = $1.to_i
e.min = $2.to_i if $2
e.sec = $3.to_i if $3
e.sec_fraction = $4.to_i.to_r / (10**$4.size) if $4
if $5
e.hour %= 12
if $5.downcase == 'p'
e.hour += 12
end
end
true
end
end
def self._parse_beat(str, e) # :nodoc:
if str.sub!(/@\s*(\d+)(?:[,.](\d*))?/, ' ')
beat = $1.to_i.to_r
beat += $2.to_i.to_r / (10**$2.size) if $2
secs = beat.to_r / 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
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)?)
)?
/inox,
' ') # '
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+)
)?
/inox,
' ') # '
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+)/n, ' ')
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+))?/in, ' ')
e.cwyear = $1.to_i if $1
e.cweek = $2.to_i
e.cwday = $3.to_i if $3
true
elsif str.sub!(/--(\d{2})-(\d{2})\b/n, ' ')
e.mon = $1.to_i
e.mday = $2.to_i
true
elsif str.sub!(/\b(\d{2}|\d{4})-(\d{2,3})\b/n, ' ')
e.year = $1.to_i
if $2.size < 3
e.mon = $2.to_i
else
e.yday = $2.to_i
end
true
end
end
def self._parse_jis(str, e) # :nodoc:
if str.sub!(/\b([MTSH])(\d+)\.(\d+)\.(\d+)/in, ' ')
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+)/inox, ' ')
s3e(e, $3, Format::ABBR_MONTHS[$2.downcase], $1)
true
elsif str.sub!(/\b(#{Format::ABBR_MONTHS.keys.join('|')})[^-]*
-('?-?\d+)(?:-('?-?\d+))?/inox, ' ')
s3e(e, $3, Format::ABBR_MONTHS[$1.downcase], $2)
true
end
end
def self._parse_sla_ja(str, e) # :nodoc:
if str.sub!(%r|('?-?\d+)[/.]\s*('?\d+)(?:[^\d]\s*('?-?\d+))?|n, ' ') # '
s3e(e, $1, $2, $3)
true
end
end
def self._parse_sla_eu(str, e) # :nodoc:
if str.sub!(%r|('?-?\d+)[/.]\s*('?\d+)(?:[^\d]\s*('?-?\d+))?|n, ' ') # '
s3e(e, $3, $2, $1)
true
end
end
def self._parse_sla_us(str, e) # :nodoc:
if str.sub!(%r|('?-?\d+)[/.]\s*('?\d+)(?:[^\d]\s*('?-?\d+))?|n, ' ') # '
s3e(e, $3, $1, $2)
true
end
end
def self._parse_year(str, e) # :nodoc:
if str.sub!(/'(\d+)\b/in, ' ')
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*/ino, ' ')
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/in, ' ')
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
|
[-+]\d{1,4}
)
\b
)?
/inx,
' ')
case $2.size
when 2
e.mday = $2[ 0, 2].to_i
when 4
e.mon = $2[ 0, 2].to_i
e.mday = $2[ 2, 2].to_i
when 6
e.year = ($1 + $2[ 0, 2]).to_i
e.mon = $2[ 2, 2].to_i
e.mday = $2[ 4, 2].to_i
when 8, 10, 12, 14
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
when 3
e.yday = $2[ 0, 3].to_i
when 5
e.year = ($1 + $2[ 0, 2]).to_i
e.yday = $2[ 2, 3].to_i
when 7
e.year = ($1 + $2[ 0, 4]).to_i
e.yday = $2[ 4, 3].to_i
end
if $3
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
if $4
e.sec_fraction = $4.to_i.to_r / (10**$4.size)
end
if $5
e.zone = $5
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_ja, :_parse_sla_eu, :_parse_sla_us,
:_parse_year, :_parse_mon, :_parse_mday, :_parse_ddd
def self._parse(str, comp=false)
str = str.dup
e = Format::Bag.new
e._comp = comp
str.gsub!(/[^-+',.\/:0-9@a-z\x80-\xff]+/in, ' ')
_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_us(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\.)/in, ' ')
if e.year
e.year = -e.year + 1
end
end
if str.sub!(/\A\s*(\d{1,2})\s*\z/n, ' ')
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 and e.year
if e.year >= 0 and e.year <= 99
if e.year >= 69
e.year += 1900
else
e.year += 2000
end
end
end
e.offset ||= zone_to_diff(e.zone) if e.zone
e.to_hash
end
def self.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 = fr.to_i.to_r / (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
class DateTime < Date
def strftime(fmt='%FT%T%:z')
super(fmt)
end
def self._strptime(str, fmt='%FT%T%z')
super(str, fmt)
end
=begin
def iso8601_timediv(n) # :nodoc:
strftime('T%T' +
if n < 1
''
else
'.%0*d' % [n, (sec_fraction / (1.to_r/86400/(10**n))).round]
end +
'%:z')
end
private :iso8601_timediv
def iso8601(n=0)
super() + iso8601_timediv(n)
end
def jisx0301(n=0)
super() + iso8601_timediv(n)
end
=end
end
View git blame Copy permalink