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module SafeYAML
class Parse
class Date
# This one's easy enough :)
DATE_MATCHER = /\A(\d{4})-(\d{2})-(\d{2})\Z/.freeze
# This unbelievable little gem is taken basically straight from the YAML spec, but made
# slightly more readable (to my poor eyes at least) to me:
# http://yaml.org/type/timestamp.html
TIME_MATCHER = /\A\d{4}-\d{1,2}-\d{1,2}(?:[Tt]|\s+)\d{1,2}:\d{2}:\d{2}(?:\.\d*)?\s*(?:Z|[-+]\d{1,2}(?::?\d{2})?)?\Z/.freeze
SECONDS_PER_DAY = 60 * 60 * 24
MICROSECONDS_PER_SECOND = 1000000
# So this is weird. In Ruby 1.8.7, the DateTime#sec_fraction method returned fractional
# seconds in units of DAYS for some reason. In 1.9.2, they changed the units -- much more
# reasonably -- to seconds.
SEC_FRACTION_MULTIPLIER = RUBY_VERSION == "1.8.7" ? (SECONDS_PER_DAY * MICROSECONDS_PER_SECOND) : MICROSECONDS_PER_SECOND
# The DateTime class has a #to_time method in Ruby 1.9+;
# Before that we'll just need to convert DateTime to Time ourselves.
TO_TIME_AVAILABLE = DateTime.instance_methods.include?(:to_time)
def self.value(value)
d = DateTime.parse(value)
return d.to_time if TO_TIME_AVAILABLE
usec = d.sec_fraction * SEC_FRACTION_MULTIPLIER
time = Time.utc(d.year, d.month, d.day, d.hour, d.min, d.sec, usec) - (d.offset * SECONDS_PER_DAY)
time.getlocal
end
end
end
end
Version data entries
74 entries across 68 versions & 14 rubygems