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require 'date'
require 'active_support/core_ext/time/publicize_conversion_methods'
require 'active_support/core_ext/time/calculations'
class String
# Returns the codepoint of the first character of the string, assuming a
# single-byte character encoding:
#
# "a".ord # => 97
# "à".ord # => 224, in ISO-8859-1
#
# This method is defined in Ruby 1.8 for Ruby 1.9 forward compatibility on
# these character encodings.
#
# <tt>ActiveSupport::Multibyte::Chars#ord</tt> is forward compatible with
# Ruby 1.9 on UTF8 strings:
#
# "a".mb_chars.ord # => 97
# "à".mb_chars.ord # => 224, in UTF8
#
# Note that the 224 is different in both examples. In ISO-8859-1 "à" is
# represented as a single byte, 224. In UTF8 it is represented with two
# bytes, namely 195 and 160, but its Unicode codepoint is 224. If we
# call +ord+ on the UTF8 string "à" the return value will be 195. That is
# not an error, because UTF8 is unsupported, the call itself would be
# bogus.
def ord
self[0]
end unless method_defined?(:ord)
# Form can be either :utc (default) or :local.
def to_time(form = :utc)
return nil if self.blank?
d = ::Date._parse(self, false).values_at(:year, :mon, :mday, :hour, :min, :sec, :sec_fraction).map { |arg| arg || 0 }
d[6] *= 1000000
::Time.send("#{form}_time", *d)
end
def to_date
return nil if self.blank?
::Date.new(*::Date._parse(self, false).values_at(:year, :mon, :mday))
end
def to_datetime
return nil if self.blank?
d = ::Date._parse(self, false).values_at(:year, :mon, :mday, :hour, :min, :sec, :zone, :sec_fraction).map { |arg| arg || 0 }
d[5] += d.pop
::DateTime.civil(*d)
end
end
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