Class: Date

Inherits:

Object

• Object
• Date

Defined in:

lib/format.rb,
lib/hijri/gregorian.rb

Overview

format.rb: Written by Tadayoshi Funaba 1999-2009 $Id: format.rb,v 2.43 2008-01-17 20:16:31+09 tadf Exp $

Direct Known Subclasses

DateTime

Defined Under Namespace

Modules: Format

Class Method Summary

• ._httpdate(str) ⇒ Object

  :nodoc:.

• ._iso8601(str) ⇒ Object

  :nodoc:.

• ._jisx0301(str) ⇒ Object

  :nodoc:.

• ._parse(str, comp = true) ⇒ Object
• ._rfc2822(str) ⇒ Object (also: _rfc822)

  :nodoc:.

• ._rfc3339(str) ⇒ Object

  :nodoc:.

• ._strptime(str, fmt = '%F') ⇒ Object
• ._xmlschema(str) ⇒ Object

  :nodoc:.

Instance Method Summary

• #asctime ⇒ Object (also: #ctime)

  alias_method :format, :strftime.

• #httpdate ⇒ Object

  :nodoc:.

• #iso8601 ⇒ Object
• #jisx0301 ⇒ Object
• #last_day_of_gregorian_month(month) ⇒ Object
• #rfc2822 ⇒ Object (also: #rfc822)
• #rfc3339 ⇒ Object
• #strftime(fmt = '%F') ⇒ Object
• #to_abs ⇒ Object
• #to_hijri ⇒ Object
• #xmlschema ⇒ Object

  :nodoc:.

Class Method Details

._httpdate(str) ⇒ Object

:nodoc:

# File 'lib/format.rb', line 1195

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

._iso8601(str) ⇒ Object

:nodoc:

# File 'lib/format.rb', line 1096

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

._jisx0301(str) ⇒ Object

:nodoc:

# File 'lib/format.rb', line 1219

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

._parse(str, comp = true) ⇒ Object

# File 'lib/format.rb', line 1030

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

._rfc2822(str) ⇒ Object Also known as: _rfc822

:nodoc:

# File 'lib/format.rb', line 1174

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

._rfc3339(str) ⇒ Object

:nodoc:

# File 'lib/format.rb', line 1121

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

._strptime(str, fmt = '%F') ⇒ Object

# File 'lib/format.rb', line 574

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

._xmlschema(str) ⇒ Object

:nodoc:

# File 'lib/format.rb', line 1130

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

Instance Method Details

#asctime ⇒ Object Also known as: ctime

alias_method :format, :strftime

# File 'lib/format.rb', line 341

def asctime() strftime('%c') end

#httpdate ⇒ Object

:nodoc:

# File 'lib/format.rb', line 355

def httpdate() new_offset(0).strftime('%a, %d %b %Y %T GMT') end

#iso8601 ⇒ Object

# File 'lib/format.rb', line 345

def iso8601() strftime('%F') end

#jisx0301 ⇒ Object

# File 'lib/format.rb', line 357

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

#last_day_of_gregorian_month(month) ⇒ Object

# File 'lib/hijri/gregorian.rb', line 6

def last_day_of_gregorian_month(month)
  # Compute the last date of the month for the Gregorian calendar.
  if month == 2
    return 29 if (self.year % 4 == 0 && self.year % 100 != 0) || (self.year % 400 == 0)
  end
  return [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31][month - 1]
end

#rfc2822 ⇒ Object Also known as: rfc822

# File 'lib/format.rb', line 351

def rfc2822() strftime('%a, %-d %b %Y %T %z') end

#rfc3339 ⇒ Object

# File 'lib/format.rb', line 347

def rfc3339() iso8601 end

#strftime(fmt = '%F') ⇒ Object

# File 'lib/format.rb', line 215

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

#to_abs ⇒ Object

# File 'lib/hijri/gregorian.rb', line 14

def to_abs
  @d = self.day
  @m = self.month - 1
  @m.downto(1) do |m|
    @d += last_day_of_gregorian_month(@m, year)
  end
  return (@d + 365 * (year - 1) + (year -1) / 4.0 - (year - 1) / 100.0 + (year - 1) / 400.0).to_i
end

#to_hijri ⇒ Object

# File 'lib/hijri/gregorian.rb', line 2

def to_hijri
  Hijri::Date.new *Hijri::Converter.greo_to_hijri(self)
end

#xmlschema ⇒ Object

:nodoc:

# File 'lib/format.rb', line 349

def xmlschema() iso8601 end