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Contents
module SugarCube
module DateParser
# Parse a date string: E.g.:
#
# SugarCube::DateParser.parse_date "There is a date in here tomorrow at 9:00 AM"
#
# => 2013-02-20 09:00:00 -0800
def self.parse_date(date_string)
detect(date_string).first.date
end
# Parse time zone from date
#
# SugarCube::DateParser.parse_date "There is a date in here tomorrow at 9:00 AM EDT"
#
# Caveat: This is implemented per Apple documentation. I've never really
# seen it work.
def self.parse_time_zone(date_string)
detect(date_string).first.timeZone
end
# Parse a date string: E.g.:
#
# SugarCube::DateParser.parse_date "You have a meeting from 9:00 AM to 3:00 PM"
#
# => 21600.0
#
# Divide by 3600.0 to get number of hours duration.
def self.parse_duration(date_string)
detect(date_string).first.send(:duration)
end
# Parse a date into a raw match array for further processing
def self.match(date_string)
detect(date_string)
end
private
def self.detect(date_string)
error = Pointer.new(:object)
detector = NSDataDetector.dataDetectorWithTypes(NSTextCheckingTypeDate, error:error)
matches = detector.matchesInString(date_string, options:0, range:NSMakeRange(0, date_string.length))
end
end
end
class String
# Use NSDataDetector to parse a string containing a date
# or duration. These can be of the form:
#
# "tomorrow at 7:30 PM"
# "11.23.2013"
# "from 7:30 to 10:00 AM"
#
# etc.
def to_date
SugarCube::DateParser.parse_date(self)
end
def to_timezone
SugarCube::DateParser.parse_time_zone(self)
end
def to_duration
SugarCube::DateParser.parse_duration(self)
end
end
Version data entries
8 entries across 8 versions & 1 rubygems