Contents

require 'chronic'
require 'chronic_duration'
# require 'active_support/time'

module DR
	module TimeParse
		extend self
		def time_to_day_range(t)
			return Chronic.parse(t.to_date, guess:false)
		end
		def parse(s, **opt)
			return s if Date===s or Time===s

			!opt[:norange] and s.match(/(.*)\.\.(.*)/) do |m|
				first=m[1]
				second=m[2]
				opt[:norange]=true
				return Chronic::Span.new(self.parse(first, opt),self.parse(second,opt))
			end

			if s.match(/\A[[:space:]]*\z/) # blank
				t=Time.now
			elsif s[0] =~ /[+-]/
				#if s=+3.years-1.minutes
				begin
					t=eval(s)
				rescue SyntaxError
				#if s=3 years
					t=ChronicDuration.parse(s[1...s.length])
					t=-t if s[0]=='-'
				end
				case t
				when Time
				else
					t=Time.now+t
				end
				return t
			else

				chronicopts=[:context,:now,:guess,:ambiguous_time_range,:endian_precedence,:ambiguous_year_future_bias]
				chronicopt={hours24: true, ambiguous_time_range: 0, endian_precedence: [:little,:middle]}
				chronicopt[:guess]=false if opt[:range]
				chronicopt.update(opt.reject {|k,v| not chronicopts.include?(k)})
				#puts chronicopt
				t=Chronic.parse(s, chronicopt)
				t=Time.parse(s) if not t
			end
			if opt[:range] && !opt[:norange] then
				return time_to_day_range(t) unless Range === t
			end
			return t
		end

	end
end

=begin Examples:

DR::TimeParse.parse("+100..tomorrow") #first: +100, second: tomorrow
=> 2014-08-22 11:20:31 +0200..2014-08-23 12:00:00 +0200

DR::TimeParse.parse("now..in seven days") #first: now, second: in seven days
=> 2014-08-22 11:20:25 +0200..2014-08-29 11:20:25 +0200

DR::TimeParse.parse("today")
=> 2014-08-22 17:30:00 +0200

DR::TimeParse.parse("today",range: true)
=> 2014-08-22 11:00:00 +0200..2014-08-23 00:00:00 +0200

DR::TimeParse.parse("-3 years 2 minutes") #-94672920
=> 2011-08-22 20:01:34 +0200

require 'active_support/time'
DR::TimeParse.parse("+3.years+2.days")
=> 2017-08-24 14:04:08 +0200
=end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
drain-0.5.1	lib/dr/parse/time_parse.rb
drain-0.5	lib/dr/parse/time_parse.rb
drain-0.4	lib/dr/parse/time_parse.rb