Started adding support for the Chronic library, to provide natural language date selections. You can now type phrases such as "tomorrow", "nov 10", "1 week hence", "10 days hence" and so on into the date box and these will be parsed into a valid date. I haven't managed to get proper validation working yet, but you'll get a live preview of the parsed date just below the input box.

What doesn't work yet:

* If you delete all characters in the date box, you'll get an error message. This will go away if you type more characters
* You'll get an error as above when the form is cleared and redisplayed after submission. Again, it will go away if you type anything in the box.
* Validation doesn't work, but the preview will display "Invalid date" if Chronic can't parse your phrase
* This isn't added to the edit form for actions yet.

Also partially fixed #394: the mobile interface works again, but you might get an error visiting the subsequent pages of a filtered view (i.e. viewing a single context or project). I'm not sure what's causing this, but it's on my list to fix.

git-svn-id: http://www.rousette.org.uk/svn/tracks-repos/trunk@332 a4c988fc-2ded-0310-b66e-134b36920a42
This commit is contained in:
bsag 2006-10-25 15:35:08 +00:00
parent f6965d2fe2
commit 4c2742f6f3
51 changed files with 3232 additions and 5 deletions

View file

@ -83,7 +83,7 @@ class ApplicationController < ActionController::Base
def parse_date_per_user_prefs( s )
return nil if s == ''
Date.strptime(s, @user.preference.date_format)
Chronic.parse(s)
end
def init_data_for_sidebar

View file

@ -91,7 +91,7 @@ class MobileController < ApplicationController
@contexts = Context.find :all, :order => 'position ASC',
:conditions => ['user_id = ?', @user.id]
@projects = Project.find :all, :order => 'position ASC',
:conditions => ['user_id = ? and done = ?', @user.id, false]
:conditions => ['user_id = ? and state = ?', @user.id, "active"]
@all_todos = Todo.find(:all, :conditions => ['user_id = ? and type = ?', @user.id, "Immediate"])
end

View file

@ -47,6 +47,18 @@ class TodoController < ApplicationController
end
end
def date_preview
return if params["todo_due"].blank?
@date = parse_date_per_user_prefs(params["todo_due"])
if @date.nil?
@form_date = "Invalid date"
else
@form_date = @date.strftime("%a %b %d %Y")
end
render :partial => "shared/date_preview", :layout => false
end
def create
init
@item = @user.todos.build
@ -54,7 +66,8 @@ class TodoController < ApplicationController
@item.attributes = p
if @item.due?
@item.due = parse_date_per_user_prefs(p["due"])
@date = parse_date_per_user_prefs(p["due"])
@item.due = @date.to_s(:db)
else
@item.due = ""
end

View file

@ -1,4 +1,5 @@
class Todo < ActiveRecord::Base
require 'validations'
belongs_to :context, :order => 'name'
belongs_to :project
@ -11,6 +12,7 @@ class Todo < ActiveRecord::Base
validates_presence_of :description
validates_length_of :description, :maximum => 100
validates_length_of :notes, :maximum => 60000, :allow_nil => true
# validates_chronic_date :due, :allow_nil => true
def self.not_done( id=id )
self.find(:all, :conditions =>[ "done = ? AND context_id = ?", false, id], :order =>"due IS NULL, due ASC, created_at ASC")

View file

@ -63,10 +63,19 @@
<br /> <label for="todo_show_from">Show from</label><br />
<%= text_field("todo", "show_from", "size" => 10, "class" => "Date", "onFocus" => "Calendar.setup", "tabindex" => 5, "autocomplete" => "off") %><br />
<% end -%>
<div id="date-preview" style="display: none;"></div>
<br /><br />
<input type="submit" value="Add item" tabindex="6">
<%= end_form_tag %><!--[eoform:todo]-->
<%= observe_field "todo_due",
:frequency => 1,
:update => "date-preview",
:with => "todo_due",
:complete => "Element.show('date-preview')",
:url => { :action => "date_preview" } %>
<%= calendar_setup( "todo_due" ) %>
<% if controller.controller_name == "deferred" -%>
<%= calendar_setup( "todo_show_from" ) %>

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@ -0,0 +1 @@
<strong><%= @form_date %></strong>

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@ -60,6 +60,7 @@
<a href="javascript:void(0);" onclick="Element.toggle('item-<%= @item.id %>','action-<%= @item.id %>-edit-form');Form.reset('form-action-<%= @item.id %>');">Cancel</a></td>
</tr>
</table>
<%= calendar_setup( "due_#{@item.id}" ) %>
<% if @item.class == Deferred -%>
<%= calendar_setup( "show_from_#{@item.id}" ) %>

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28
tracks/lib/validations.rb Normal file
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@ -0,0 +1,28 @@
ActiveRecord::Validations::ClassMethods.class_eval do
# Custom validations
# Validating a date field parsed by Chronic. If Chronic cannot parse the
# date, it returns nil
# Adapted from Stuart Rackham's custom date validation
# http://www.bigbold.com/snippets/posts/show/1548
#
def validates_chronic_date(*attr_names)
configuration =
{ :message => 'is an invalid date. Here are some valid examples: feb 23, 23 feb 06, 6 feb 2006, 2006-02-23, tomorrow, today, 5 days (hence), 1 month hence, etc.)',
:on => :save,
}
configuration.update(attr_names.pop) if attr_names.last.is_a?(Hash)
# Don't let validates_each handle allow_nils, it checks the cast value.
allow_nil = configuration.delete(:allow_nil)
validates_each(attr_names, configuration) do |record, attr_name, value|
before_cast = record.send("#{attr_name}_before_type_cast")
next if allow_nil and (before_cast == '')
begin
date = Chronic.parse(before_cast.to_s).nil?
rescue
record.errors.add(attr_name, configuration[:message])
end
end
end
end

View file

@ -213,8 +213,9 @@ Calendar.setup = function (params) {
* they still work properly. Pressing '+' when no date is entered in the
* field will set the date to tomorrow, and likewise '-' with no date
* entered will set the date to yesterday.
* 2006-10-24: Commented out while trying to use Chronic library for the field
*/
DateDueKeyboardShortcutSupport = Class.create();
/*DateDueKeyboardShortcutSupport = Class.create();
DateDueKeyboardShortcutSupport.prototype = {
initialize: function(element, dateFormat) {
this.element = $(element);
@ -252,6 +253,12 @@ DateDueKeyboardShortcutSupport.prototype = {
this.cancel(event);
}
},
setTextBoxToChronicDate : function() {
today = new Date();
this.setDate(today);
},
setTextBoxToTodaysDate : function() {
today = new Date();
this.setDate(today);
@ -291,4 +298,4 @@ DateDueKeyboardShortcutSupport.prototype = {
((event.which) ? event.which : 0));
return String.fromCharCode(charCode);
}
};
};*/

119
tracks/vendor/plugins/chronic/README vendored Normal file
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@ -0,0 +1,119 @@
=Chronic
Chronic is a natural language date/time parser written in pure Ruby. See below for the wide variety of formats Chronic will parse.
==Installation
Chronic can be installed via RubyGems:
$ sudo gem install chronic
==Usage
You can parse strings containing a natural language date using the Chronic.parse method.
require 'chronic'
Time.now #=> Sun Aug 27 23:18:25 PDT 2006
#---
Chronic.parse('tomorrow')
#=> Mon Aug 28 12:00:00 PDT 2006
Chronic.parse('monday', :context => :past)
#=> Mon Aug 21 12:00:00 PDT 2006
Chronic.parse('this tuesday 5:00')
#=> Tue Aug 29 17:00:00 PDT 2006
Chronic.parse('this tuesday 5:00', :ambiguous_time_range => :none)
#=> Tue Aug 29 05:00:00 PDT 2006
Chronic.parse('may 27th', :now => Time.local(2000, 1, 1))
#=> Sat May 27 12:00:00 PDT 2000
Chronic.parse('may 27th', :guess => false)
#=> Sun May 27 00:00:00 PDT 2007..Mon May 28 00:00:00 PDT 2007
See Chronic.parse for detailed usage instructions.
==Examples
Chronic can parse a huge variety of date and time formats. Following is a small sample of strings that will be properly parsed. Parsing is case insensitive and will handle common abbreviations and misspellings.
Simple
thursday
november
summer
friday 13:00
mon 2:35
4pm
6 in the morning
friday 1pm
sat 7 in the evening
yesterday
today
tomorrow
this tuesday
next month
last winter
this morning
last night
this second
yesterday at 4:00
last friday at 20:00
last week tuesday
tomorrow at 6:45pm
afternoon yesterday
thursday last week
Complex
3 years ago
5 months before now
7 hours ago
7 days from now
1 week hence
in 3 hours
1 year ago tomorrow
3 months ago saturday at 5:00 pm
7 hours before tomorrow at noon
3rd wednesday in november
3rd month next year
3rd thursday this september
4th day last week
Specific Dates
January 5
dec 25
may 27th
October 2006
oct 06
jan 3 2010
february 14, 2004
3 jan 2000
17 april 85
5/27/1979
27/5/1979
05/06
1979-05-27
Friday
5
4:00
17:00
0800
Specific Times (many of the above with an added time)
January 5 at 7pm
1979-05-27 05:00
etc
==Limitations
Chronic uses Ruby's built in Time class for all time storage and computation. Because of this, only times that the Time class can handle will be properly parsed. Parsing for times outside of this range will simply return nil. Support for a wider range of times is planned for a future release.
Time zones other than the local one are not currently supported. Support for other time zones is planned for a future release.

5
tracks/vendor/plugins/chronic/init.rb vendored Normal file
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@ -0,0 +1,5 @@
require 'chronic'
ActiveRecord::Base.class_eval do
include Chronic
end

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@ -0,0 +1,41 @@
#=============================================================================
#
# Name: Chronic
# Author: Tom Preston-Werner
# Purpose: Parse natural language dates and times into Time or
# Chronic::Span objects
#
#=============================================================================
require 'chronic/chronic'
require 'chronic/handlers'
require 'chronic/repeater'
require 'chronic/repeaters/repeater_year'
require 'chronic/repeaters/repeater_season'
require 'chronic/repeaters/repeater_season_name'
require 'chronic/repeaters/repeater_month'
require 'chronic/repeaters/repeater_month_name'
require 'chronic/repeaters/repeater_fortnight'
require 'chronic/repeaters/repeater_week'
require 'chronic/repeaters/repeater_weekend'
require 'chronic/repeaters/repeater_day'
require 'chronic/repeaters/repeater_day_name'
require 'chronic/repeaters/repeater_day_portion'
require 'chronic/repeaters/repeater_hour'
require 'chronic/repeaters/repeater_minute'
require 'chronic/repeaters/repeater_second'
require 'chronic/repeaters/repeater_time'
require 'chronic/grabber'
require 'chronic/pointer'
require 'chronic/scalar'
require 'chronic/ordinal'
require 'chronic/separator'
module Chronic
def self.debug=(val); @debug = val; end
end
Chronic.debug = false

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@ -0,0 +1,242 @@
module Chronic
class << self
# Parses a string containing a natural language date or time. If the parser
# can find a date or time, either a Time or Chronic::Span will be returned
# (depending on the value of <tt>:guess</tt>). If no date or time can be found,
# +nil+ will be returned.
#
# Options are:
#
# [<tt>:context</tt>]
# <tt>:past</tt> or <tt>:future</tt> (defaults to <tt>:future</tt>)
#
# If your string represents a birthday, you can set <tt>:context</tt> to <tt>:past</tt>
# and if an ambiguous string is given, it will assume it is in the
# past. Specify <tt>:future</tt> or omit to set a future context.
#
# [<tt>:now</tt>]
# Time (defaults to Time.now)
#
# By setting <tt>:now</tt> to a Time, all computations will be based off
# of that time instead of Time.now
#
# [<tt>:guess</tt>]
# +true+ or +false+ (defaults to +true+)
#
# By default, the parser will guess a single point in time for the
# given date or time. If you'd rather have the entire time span returned,
# set <tt>:guess</tt> to +false+ and a Chronic::Span will be returned.
#
# [<tt>:ambiguous_time_range</tt>]
# Integer or <tt>:none</tt> (defaults to <tt>6</tt> (6am-6pm))
#
# If an Integer is given, ambiguous times (like 5:00) will be
# assumed to be within the range of that time in the AM to that time
# in the PM. For example, if you set it to <tt>7</tt>, then the parser will
# look for the time between 7am and 7pm. In the case of 5:00, it would
# assume that means 5:00pm. If <tt>:none</tt> is given, no assumption
# will be made, and the first matching instance of that time will
# be used.
def parse(text, specified_options = {})
# get options and set defaults if necessary
default_options = {:context => :future,
:now => Time.now,
:guess => true,
:ambiguous_time_range => 6}
options = default_options.merge specified_options
# ensure the specified options are valid
specified_options.keys.each do |key|
default_options.keys.include?(key) || raise(InvalidArgumentException, "#{key} is not a valid option key.")
end
[:past, :future].include?(options[:context]) || raise(InvalidArgumentException, "Invalid value '#{options[:context]}' for :context specified. Valid values are :past and :future.")
# store now for later =)
@now = options[:now]
# put the text into a normal format to ease scanning
text = self.pre_normalize(text)
# get base tokens for each word
@tokens = self.base_tokenize(text)
# scan the tokens with each token scanner
[Repeater].each do |tokenizer|
@tokens = tokenizer.scan(@tokens, options)
end
[Grabber, Pointer, Scalar, Ordinal, Separator].each do |tokenizer|
@tokens = tokenizer.scan(@tokens)
end
# strip any non-tagged tokens
@tokens = @tokens.select { |token| token.tagged? }
if @debug
puts "+---------------------------------------------------"
puts "| " + @tokens.to_s
puts "+---------------------------------------------------"
end
# do the heavy lifting
begin
span = self.tokens_to_span(@tokens, options)
rescue
raise
return nil
end
# guess a time within a span if required
if options[:guess]
return self.guess(span)
else
return span
end
end
# Clean up the specified input text by stripping unwanted characters,
# converting idioms to their canonical form, converting number words
# to numbers (three => 3), and converting ordinal words to numeric
# ordinals (third => 3rd)
def pre_normalize(text) #:nodoc:
normalized_text = text.to_s.downcase
normalized_text.gsub!(/['"\.]/, '')
normalized_text.gsub!(/([\/\-\,\@])/) { ' ' + $1 + ' ' }
normalized_text.gsub!(/\btoday\b/, 'this day')
normalized_text.gsub!(/\btomm?orr?ow\b/, 'next day')
normalized_text.gsub!(/\byesterday\b/, 'last day')
normalized_text.gsub!(/\bnoon\b/, '12:00')
normalized_text.gsub!(/\bmidnight\b/, '24:00')
normalized_text.gsub!(/\bfrom now\b/, 'future')
normalized_text.gsub!(/\bbefore now\b/, 'past')
normalized_text.gsub!(/\bnow\b/, 'this second')
normalized_text.gsub!(/\b(ago|before)\b/, 'past')
normalized_text.gsub!(/\bthis past\b/, 'last')
normalized_text.gsub!(/\bthis last\b/, 'last')
normalized_text.gsub!(/\b(?:in|during) the (morning)\b/, '\1')
normalized_text.gsub!(/\b(?:in the|during the|at) (afternoon|evening|night)\b/, '\1')
normalized_text.gsub!(/\btonight\b/, 'this night')
normalized_text.gsub!(/(?=\w)([ap]m|oclock)\b/, ' \1')
normalized_text.gsub!(/\b(hence|after|from)\b/, 'future')
normalized_text.gsub!(/\ba\b/, '1')
normalized_text.gsub!(/\s+/, ' ')
normalized_text = numericize_numbers(normalized_text)
normalized_text = numericize_ordinals(normalized_text)
end
# Convert number words to numbers (three => 3)
def numericize_numbers(text) #:nodoc:
text
end
# Convert ordinal words to numeric ordinals (third => 3rd)
def numericize_ordinals(text) #:nodoc:
text
end
# Split the text on spaces and convert each word into
# a Token
def base_tokenize(text) #:nodoc:
text.split(' ').map { |word| Token.new(word) }
end
# Guess a specific time within the given span
def guess(span) #:nodoc:
return nil if span.nil?
if span.width > 1
span.begin + (span.width / 2)
else
span.begin
end
end
end
class Token #:nodoc:
attr_accessor :word, :tags
def initialize(word)
@word = word
@tags = []
end
# Tag this token with the specified tag
def tag(new_tag)
@tags << new_tag
end
# Remove all tags of the given class
def untag(tag_class)
@tags = @tags.select { |m| !m.kind_of? tag_class }
end
# Return true if this token has any tags
def tagged?
@tags.size > 0
end
# Return the Tag that matches the given class
def get_tag(tag_class)
matches = @tags.select { |m| m.kind_of? tag_class }
#matches.size < 2 || raise("Multiple identical tags found")
return matches.first
end
# Print this Token in a pretty way
def to_s
@word << '(' << @tags.join(', ') << ') '
end
end
# A Span represents a range of time. Since this class extends
# Range, you can use #begin and #end to get the beginning and
# ending times of the span (they will be of class Time)
class Span < Range
# Returns the width of this span in seconds
def width
(self.end - self.begin).to_i
end
# Add a number of seconds to this span, returning the
# resulting Span
def +(seconds)
Span.new(self.begin + seconds, self.end + seconds)
end
# Subtract a number of seconds to this span, returning the
# resulting Span
def -(seconds)
self + -seconds
end
# Prints this span in a nice fashion
def to_s
'(' << self.begin.to_s << '..' << self.end.to_s << ')'
end
end
# Tokens are tagged with subclassed instances of this class when
# they match specific criteria
class Tag #:nodoc:
attr_accessor :type
def initialize(type)
@type = type
end
def start=(s)
@now = s
end
end
# Internal exception
class ChronicPain < Exception #:nodoc:
end
# This exception is raised if an invalid argument is provided to
# any of Chronic's methods
class InvalidArgumentException < Exception
end
end

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@ -0,0 +1,26 @@
#module Chronic
class Chronic::Grabber < Chronic::Tag #:nodoc:
def self.scan(tokens)
tokens.each_index do |i|
if t = self.scan_for_all(tokens[i]) then tokens[i].tag(t); next end
end
tokens
end
def self.scan_for_all(token)
scanner = {/last/ => :last,
/this/ => :this,
/next/ => :next}
scanner.keys.each do |scanner_item|
return self.new(scanner[scanner_item]) if scanner_item =~ token.word
end
return nil
end
def to_s
'grabber-' << @type.to_s
end
end
#end

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@ -0,0 +1,403 @@
module Chronic
class << self
def definitions #:nodoc:
@definitions ||=
{:time => [Handler.new([:repeater_time, :repeater_day_portion?], nil)],
:date => [Handler.new([:repeater_month_name, :scalar_day, :scalar_year], :handle_rmn_sd_sy),
Handler.new([:repeater_month_name, :scalar_day, :scalar_year, :separator_at?, 'time?'], :handle_rmn_sd_sy),
Handler.new([:repeater_month_name, :scalar_day, :separator_at?, 'time?'], :handle_rmn_sd),
Handler.new([:repeater_month_name, :ordinal_day, :separator_at?, 'time?'], :handle_rmn_od),
Handler.new([:repeater_month_name, :scalar_year], :handle_rmn_sy),
Handler.new([:scalar_day, :repeater_month_name, :scalar_year, :separator_at?, 'time?'], :handle_sd_rmn_sy),
Handler.new([:scalar_month, :separator_slash_or_dash, :scalar_day, :separator_slash_or_dash, :scalar_year, :separator_at?, 'time?'], :handle_sm_sd_sy),
Handler.new([:scalar_day, :separator_slash_or_dash, :scalar_month, :separator_slash_or_dash, :scalar_year, :separator_at?, 'time?'], :handle_sd_sm_sy),
Handler.new([:scalar_year, :separator_slash_or_dash, :scalar_month, :separator_slash_or_dash, :scalar_day, :separator_at?, 'time?'], :handle_sy_sm_sd),
Handler.new([:scalar_month, :separator_slash_or_dash, :scalar_year], :handle_sm_sy)],
:anchor => [Handler.new([:grabber?, :repeater, :separator_at?, :repeater?, :repeater?], :handle_r),
Handler.new([:repeater, :grabber, :repeater], :handle_r_g_r)],
:arrow => [Handler.new([:scalar, :repeater, :pointer], :handle_s_r_p),
Handler.new([:pointer, :scalar, :repeater], :handle_p_s_r),
Handler.new([:scalar, :repeater, :pointer, 'anchor'], :handle_s_r_p_a)],
:narrow => [Handler.new([:ordinal, :repeater, :separator_in, :repeater], :handle_o_r_s_r),
Handler.new([:ordinal, :repeater, :grabber, :repeater], :handle_o_r_g_r)]
}
end
def tokens_to_span(tokens, options) #:nodoc:
# maybe it's a specific date
self.definitions[:date].each do |handler|
if handler.match(tokens, self.definitions)
good_tokens = tokens.select { |o| !o.get_tag Separator }
return self.send(handler.handler_method, good_tokens, options)
end
end
# I guess it's not a specific date, maybe it's just an anchor
self.definitions[:anchor].each do |handler|
if handler.match(tokens, self.definitions)
good_tokens = tokens.select { |o| !o.get_tag Separator }
return self.send(handler.handler_method, good_tokens, options)
end
end
# not an anchor, perhaps it's an arrow
self.definitions[:arrow].each do |handler|
if handler.match(tokens, self.definitions)
good_tokens = tokens.reject { |o| o.get_tag(SeparatorAt) || o.get_tag(SeparatorSlashOrDash) || o.get_tag(SeparatorComma) }
return self.send(handler.handler_method, good_tokens, options)
end
end
# not an arrow, let's hope it's an narrow
self.definitions[:narrow].each do |handler|
if handler.match(tokens, self.definitions)
#good_tokens = tokens.select { |o| !o.get_tag Separator }
return self.send(handler.handler_method, tokens, options)
end
end
# I guess you're out of luck!
return nil
end
#--------------
def day_or_time(day_start, time_tokens, options)
outer_span = Span.new(day_start, day_start + (24 * 60 * 60))
if !time_tokens.empty?
@now = outer_span.begin
time = get_anchor(dealias_and_disambiguate_times(time_tokens, options), options)
return time
else
return outer_span
end
end
#--------------
def handle_m_d(month, day, time_tokens, options) #:nodoc:
month.start = @now
span = month.next(options[:context])
day_start = Time.local(span.begin.year, span.begin.month, day)
day_or_time(day_start, time_tokens, options)
end
def handle_rmn_sd(tokens, options) #:nodoc:
handle_m_d(tokens[0].get_tag(RepeaterMonthName), tokens[1].get_tag(ScalarDay).type, tokens[2..tokens.size], options)
end
def handle_rmn_od(tokens, options) #:nodoc:
handle_m_d(tokens[0].get_tag(RepeaterMonthName), tokens[1].get_tag(OrdinalDay).type, tokens[2..tokens.size], options)
end
def handle_rmn_sy(tokens, options) #:nodoc:
month = tokens[0].get_tag(RepeaterMonthName).index
year = tokens[1].get_tag(ScalarYear).type
if month == 12
next_month_year = year + 1
next_month_month = 1
else
next_month_year = year
next_month_month = month + 1
end
begin
Span.new(Time.local(year, month), Time.local(next_month_year, next_month_month))
rescue ArgumentError
nil
end
end
def handle_rmn_sd_sy(tokens, options) #:nodoc:
month = tokens[0].get_tag(RepeaterMonthName).index
day = tokens[1].get_tag(ScalarDay).type
year = tokens[2].get_tag(ScalarYear).type
time_tokens = tokens.last(tokens.size - 3)
begin
day_start = Time.local(year, month, day)
day_or_time(day_start, time_tokens, options)
rescue ArgumentError
nil
end
end
def handle_sd_rmn_sy(tokens, options) #:nodoc:
new_tokens = [tokens[1], tokens[0], tokens[2]]
time_tokens = tokens.last(tokens.size - 3)
self.handle_rmn_sd_sy(new_tokens + time_tokens, options)
end
def handle_sm_sd_sy(tokens, options) #:nodoc:
month = tokens[0].get_tag(ScalarMonth).type
day = tokens[1].get_tag(ScalarDay).type
year = tokens[2].get_tag(ScalarYear).type
time_tokens = tokens.last(tokens.size - 3)
begin
day_start = Time.local(year, month, day) #:nodoc:
day_or_time(day_start, time_tokens, options)
rescue ArgumentError
nil
end
end
def handle_sd_sm_sy(tokens, options) #:nodoc:
new_tokens = [tokens[1], tokens[0], tokens[2]]
time_tokens = tokens.last(tokens.size - 3)
self.handle_sm_sd_sy(new_tokens + time_tokens, options)
end
def handle_sy_sm_sd(tokens, options) #:nodoc:
new_tokens = [tokens[1], tokens[2], tokens[0]]
time_tokens = tokens.last(tokens.size - 3)
self.handle_sm_sd_sy(new_tokens + time_tokens, options)
end
def handle_sm_sy(tokens, options) #:nodoc:
month = tokens[0].get_tag(ScalarMonth).type
year = tokens[1].get_tag(ScalarYear).type
if month == 12
next_month_year = year + 1
next_month_month = 1
else
next_month_year = year
next_month_month = month + 1
end
begin
Span.new(Time.local(year, month), Time.local(next_month_year, next_month_month))
rescue ArgumentError
nil
end
end
# anchors
def handle_r(tokens, options) #:nodoc:
dd_tokens = dealias_and_disambiguate_times(tokens, options)
self.get_anchor(dd_tokens, options)
end
def handle_r_g_r(tokens, options) #:nodoc:
new_tokens = [tokens[1], tokens[0], tokens[2]]
self.handle_r(new_tokens, options)
end
# arrows
def handle_srp(tokens, span, options) #:nodoc:
distance = tokens[0].get_tag(Scalar).type
repeater = tokens[1].get_tag(Repeater)
pointer = tokens[2].get_tag(Pointer).type
repeater.offset(span, distance, pointer)
end
def handle_s_r_p(tokens, options) #:nodoc:
repeater = tokens[1].get_tag(Repeater)
span =
case true
when [RepeaterYear, RepeaterSeason, RepeaterSeasonName, RepeaterMonth, RepeaterMonthName, RepeaterFortnight, RepeaterWeek].include?(repeater.class)
self.parse("this hour", :guess => false, :now => @now)
when [RepeaterWeekend, RepeaterDay, RepeaterDayName, RepeaterDayPortion, RepeaterHour].include?(repeater.class)
self.parse("this minute", :guess => false, :now => @now)
when [RepeaterMinute, RepeaterSecond].include?(repeater.class)
self.parse("this second", :guess => false, :now => @now)
else
raise(ChronicPain, "Invalid repeater: #{repeater.class}")
end
self.handle_srp(tokens, span, options)
end
def handle_p_s_r(tokens, options) #:nodoc:
new_tokens = [tokens[1], tokens[2], tokens[0]]
self.handle_s_r_p(new_tokens, options)
end
def handle_s_r_p_a(tokens, options) #:nodoc:
anchor_span = get_anchor(tokens[3..tokens.size - 1], options)
self.handle_srp(tokens, anchor_span, options)
end
# narrows
def handle_orr(tokens, outer_span, options) #:nodoc:
repeater = tokens[1].get_tag(Repeater)
repeater.start = outer_span.begin - 1
ordinal = tokens[0].get_tag(Ordinal).type
span = nil
ordinal.times do
span = repeater.next(:future)
if span.begin > outer_span.end
span = nil
break
end
end
span
end
def handle_o_r_s_r(tokens, options) #:nodoc:
outer_span = get_anchor([tokens[3]], options)
handle_orr(tokens[0..1], outer_span, options)
end
def handle_o_r_g_r(tokens, options) #:nodoc:
outer_span = get_anchor(tokens[2..3], options)
handle_orr(tokens[0..1], outer_span, options)
end
# support methods
def get_anchor(tokens, options) #:nodoc:
grabber = Grabber.new(:this)
pointer = :future
repeaters = self.get_repeaters(tokens)
repeaters.size.times { tokens.pop }
if tokens.first && tokens.first.get_tag(Grabber)
grabber = tokens.first.get_tag(Grabber)
tokens.pop
end
head = repeaters.shift
head.start = @now
case grabber.type
when :last: outer_span = head.next(:past)
when :this: outer_span = head.this(options[:context])
when :next: outer_span = head.next(:future)
else raise(ChronicPain, "Invalid grabber")
end
anchor = find_within(repeaters, outer_span, pointer)
end
def get_repeaters(tokens) #:nodoc:
repeaters = []
tokens.each do |token|
if t = token.get_tag(Repeater)
repeaters << t
end
end
repeaters.sort.reverse
end
# Recursively finds repeaters within other repeaters.
# Returns a Span representing the innermost time span
# or nil if no repeater union could be found
def find_within(tags, span, pointer) #:nodoc:
return span if tags.empty?
head, *rest = tags
head.start = pointer == :future ? span.begin : span.end
h = head.this(pointer)
if span.include?(h.begin) || span.include?(h.end)
return find_within(rest, h, pointer)
else
return nil
end
end
def dealias_and_disambiguate_times(tokens, options) #:nodoc:
# handle aliases of am/pm
# 5:00 in the morning => 5:00 am
# 7:00 in the evening => 7:00 pm
#ttokens = []
tokens.each_with_index do |t0, i|
t1 = tokens[i + 1]
if t1 && (t1tag = t1.get_tag(RepeaterDayPortion)) && t0.get_tag(RepeaterTime)
if [:morning].include?(t1tag.type)
t1.untag(RepeaterDayPortion)
t1.tag(RepeaterDayPortion.new(:am))
elsif [:afternoon, :evening, :night].include?(t1tag.type)
t1.untag(RepeaterDayPortion)
t1.tag(RepeaterDayPortion.new(:pm))
end
end
end
#tokens = ttokens
# handle ambiguous times if :ambiguous_time_range is specified
if options[:ambiguous_time_range] != :none
ttokens = []
tokens.each_with_index do |t0, i|
ttokens << t0
t1 = tokens[i + 1]
if t0.get_tag(RepeaterTime) && t0.get_tag(RepeaterTime).type.ambiguous? && (!t1 || !t1.get_tag(RepeaterDayPortion))
distoken = Token.new('disambiguator')
distoken.tag(RepeaterDayPortion.new(options[:ambiguous_time_range]))
ttokens << distoken
end
end
tokens = ttokens
end
tokens
end
end
class Handler #:nodoc:
attr_accessor :pattern, :handler_method
def initialize(pattern, handler_method)
@pattern = pattern
@handler_method = handler_method
end
def constantize(name)
camel = name.to_s.gsub(/(^|_)(.)/) { $2.upcase }
::Chronic.module_eval(camel, __FILE__, __LINE__)
end
def match(tokens, definitions)
token_index = 0
@pattern.each do |element|
name = element.to_s
optional = name.reverse[0..0] == '?'
name = name.chop if optional
if element.instance_of? Symbol
klass = constantize(name)
match = tokens[token_index] && !tokens[token_index].tags.select { |o| o.kind_of?(klass) }.empty?
return false if !match && !optional
(token_index += 1; next) if match
next if !match && optional
elsif element.instance_of? String
return true if optional && token_index == tokens.size
sub_handlers = definitions[name.intern] || raise(ChronicPain, "Invalid subset #{name} specified")
sub_handlers.each do |sub_handler|
return true if sub_handler.match(tokens[token_index..tokens.size], definitions)
end
return false
else
raise(ChronicPain, "Invalid match type: #{element.class}")
end
end
return false if token_index != tokens.size
return true
end
end
end

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module Chronic
class Ordinal < Tag #:nodoc:
def self.scan(tokens)
# for each token
tokens.each_index do |i|
if t = self.scan_for_ordinals(tokens[i]) then tokens[i].tag(t) end
if t = self.scan_for_days(tokens[i]) then tokens[i].tag(t) end
end
tokens
end
def self.scan_for_ordinals(token)
if token.word =~ /^(\d*)(st|nd|rd|th)$/
return Ordinal.new($1.to_i)
end
return nil
end
def self.scan_for_days(token)
if token.word =~ /^(\d*)(st|nd|rd|th)$/
unless $1.to_i > 31
return OrdinalDay.new(token.word.to_i)
end
end
return nil
end
def to_s
'ordinal'
end
end
class OrdinalDay < Ordinal #:nodoc:
def to_s
super << '-day-' << @type.to_s
end
end
end

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module Chronic
class Pointer < Tag #:nodoc:
def self.scan(tokens)
# for each token
tokens.each_index do |i|
if t = self.scan_for_all(tokens[i]) then tokens[i].tag(t) end
end
tokens
end
def self.scan_for_all(token)
scanner = {/past/ => :past,
/future/ => :future,
/in/ => :future}
scanner.keys.each do |scanner_item|
return self.new(scanner[scanner_item]) if scanner_item =~ token.word
end
return nil
end
def to_s
'pointer-' << @type.to_s
end
end
end

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class Chronic::Repeater < Chronic::Tag #:nodoc:
def self.scan(tokens, options)
# for each token
tokens.each_index do |i|
if t = self.scan_for_month_names(tokens[i]) then tokens[i].tag(t); next end
if t = self.scan_for_day_names(tokens[i]) then tokens[i].tag(t); next end
if t = self.scan_for_day_portions(tokens[i]) then tokens[i].tag(t); next end
if t = self.scan_for_times(tokens[i], options) then tokens[i].tag(t); next end
if t = self.scan_for_units(tokens[i]) then tokens[i].tag(t); next end
end
tokens
end
def self.scan_for_month_names(token)
scanner = {/^jan\.?(uary)?$/ => :january,
/^feb\.?(ruary)?$/ => :february,
/^mar\.?(ch)?$/ => :march,
/^apr\.?(il)?$/ => :april,
/^may$/ => :may,
/^jun\.?e?$/ => :june,
/^jul\.?y?$/ => :july,
/^aug\.?(ust)?$/ => :august,
/^sep\.?(tember)?$/ => :september,
/^oct\.?(ober)?$/ => :october,
/^nov\.?(ember)?$/ => :november,
/^dec\.?(ember)?$/ => :december}
scanner.keys.each do |scanner_item|
return Chronic::RepeaterMonthName.new(scanner[scanner_item]) if scanner_item =~ token.word
end
return nil
end
def self.scan_for_day_names(token)
scanner = {/^m[ou]n(day)?$/ => :monday,
/^t(ue|eu|oo|u|)s(day)?$/ => :tuesday,
/^we(dnes|nds|nns)day$/ => :wednesday,
/^wed$/ => :wednesday,
/^th(urs|ers)day$/ => :thursday,
/^thu$/ => :thursday,
/^fr[iy](day)?$/ => :friday,
/^sat(t?[ue]rday)?$/ => :saturday,
/^su[nm](day)?$/ => :sunday}
scanner.keys.each do |scanner_item|
return Chronic::RepeaterDayName.new(scanner[scanner_item]) if scanner_item =~ token.word
end
return nil
end
def self.scan_for_day_portions(token)
scanner = {/^ams?$/ => :am,
/^pms?$/ => :pm,
/^mornings?$/ => :morning,
/^afternoons?$/ => :afternoon,
/^evenings?$/ => :evening,
/^nights?$/ => :night}
scanner.keys.each do |scanner_item|
return Chronic::RepeaterDayPortion.new(scanner[scanner_item]) if scanner_item =~ token.word
end
return nil
end
def self.scan_for_times(token, options)
if token.word =~ /^\d{1,2}(:?\d{2})?$/
return Chronic::RepeaterTime.new(token.word, options)
end
return nil
end
def self.scan_for_units(token)
scanner = {/^years?$/ => :year,
/^seasons?$/ => :season,
/^months?$/ => :month,
/^fortnights?$/ => :fortnight,
/^weeks?$/ => :week,
/^weekends?$/ => :weekends,
/^days?$/ => :day,
/^hours?$/ => :hour,
/^minutes?$/ => :minute,
/^seconds?$/ => :second}
scanner.keys.each do |scanner_item|
if scanner_item =~ token.word
klass_name = 'Chronic::Repeater' + scanner[scanner_item].to_s.capitalize
klass = eval(klass_name)
return klass.new(scanner[scanner_item])
end
end
return nil
end
def <=>(other)
width <=> other.width
end
# returns the width (in seconds or months) of this repeatable.
def width
raise("Repeatable#width must be overridden in subclasses")
end
# returns the next occurance of this repeatable.
def next(pointer)
!@now.nil? || raise("Start point must be set before calling #next")
[:future, :past].include?(pointer) || raise("First argument 'pointer' must be one of :past or :future")
#raise("Repeatable#next must be overridden in subclasses")
end
def this(pointer)
!@now.nil? || raise("Start point must be set before calling #next")
[:future, :past].include?(pointer) || raise("First argument 'pointer' must be one of :past or :future")
end
def to_s
'repeater'
end
end

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class Chronic::RepeaterDay < Chronic::Repeater #:nodoc:
DAY_SECONDS = 86_400 # (24 * 60 * 60)
def next(pointer)
super
if !@current_day_start
@current_day_start = Time.local(@now.year, @now.month, @now.day)
end
direction = pointer == :future ? 1 : -1
@current_day_start += direction * DAY_SECONDS
Chronic::Span.new(@current_day_start, @current_day_start + DAY_SECONDS)
end
def this(pointer = :future)
super
case pointer
when :future
day_begin = Time.local(@now.year, @now.month, @now.day, @now.hour + 1)
day_end = Time.local(@now.year, @now.month, @now.day) + DAY_SECONDS
when :past
day_begin = Time.local(@now.year, @now.month, @now.day)
day_end = Time.local(@now.year, @now.month, @now.day, @now.hour)
end
Chronic::Span.new(day_begin, day_end)
end
def offset(span, amount, pointer)
direction = pointer == :future ? 1 : -1
span + direction * amount * DAY_SECONDS
end
def width
DAY_SECONDS
end
def to_s
super << '-day'
end
end

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class Chronic::RepeaterDayName < Chronic::Repeater #:nodoc:
DAY_SECONDS = 86400 # (24 * 60 * 60)
def next(pointer)
super
direction = pointer == :future ? 1 : -1
if !@current_day_start
@current_day_start = Time.local(@now.year, @now.month, @now.day)
@current_day_start += direction * DAY_SECONDS
day_num = symbol_to_number(@type)
while @current_day_start.wday != day_num
@current_day_start += direction * DAY_SECONDS
end
else
@current_day_start += direction * 7 * DAY_SECONDS
end
Chronic::Span.new(@current_day_start, @current_day_start + DAY_SECONDS)
end
def this(pointer = :future)
super
self.next(pointer)
end
def width
DAY_SECONDS
end
def to_s
super << '-dayofweek-' << @type.to_s
end
private
def symbol_to_number(sym)
lookup = {:sunday => 0, :monday => 1, :tuesday => 2, :wednesday => 3, :thursday => 4, :friday => 5, :saturday => 6}
lookup[sym] || raise("Invalid symbol specified")
end
end

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class Chronic::RepeaterDayPortion < Chronic::Repeater #:nodoc:
@@morning = (6 * 60 * 60)..(12 * 60 * 60) # 6am-12am
@@afternoon = (13 * 60 * 60)..(17 * 60 * 60) # 1pm-5pm
@@evening = (17 * 60 * 60)..(20 * 60 * 60) # 5pm-8pm
@@night = (20 * 60 * 60)..(24 * 60 * 60) # 8pm-12pm
def initialize(type)
super
if type.kind_of? Integer
@range = (@type * 60 * 60)..((@type + 12) * 60 * 60)
else
lookup = {:am => 1..(12 * 60 * 60),
:pm => (12 * 60 * 60)..(24 * 60 * 60),
:morning => @@morning,
:afternoon => @@afternoon,
:evening => @@evening,
:night => @@night}
@range = lookup[type]
lookup[type] || raise("Invalid type '#{type}' for RepeaterDayPortion")
end
@range || raise("Range should have been set by now")
end
def next(pointer)
super
full_day = 60 * 60 * 24
if !@current_span
now_seconds = @now - Time.local(@now.year, @now.month, @now.day)
if now_seconds < @range.begin
case pointer
when :future
range_start = Time.local(@now.year, @now.month, @now.day) + @range.begin
when :past
range_start = Time.local(@now.year, @now.month, @now.day) - full_day + @range.begin
end
elsif now_seconds > @range.end
case pointer
when :future
range_start = Time.local(@now.year, @now.month, @now.day) + full_day + @range.begin
when :past
range_start = Time.local(@now.year, @now.month, @now.day) + @range.begin
end
else
case pointer
when :future
range_start = Time.local(@now.year, @now.month, @now.day) + full_day + @range.begin
when :past
range_start = Time.local(@now.year, @now.month, @now.day) - full_day + @range.begin
end
end
@current_span = Chronic::Span.new(range_start, range_start + (@range.end - @range.begin))
else
case pointer
when :future
@current_span += full_day
when :past
@current_span -= full_day
end
end
end
def this(context = :future)
super
range_start = Time.local(@now.year, @now.month, @now.day) + @range.begin
@current_span = Chronic::Span.new(range_start, range_start + (@range.end - @range.begin))
end
def offset(span, amount, pointer)
@now = span.begin
portion_span = self.next(pointer)
direction = pointer == :future ? 1 : -1
portion_span + (direction * (amount - 1) * Chronic::RepeaterDay::DAY_SECONDS)
end
def width
@range || raise("Range has not been set")
return @current_span.width if @current_span
if @type.kind_of? Integer
return (12 * 60 * 60)
else
@range.end - @range.begin
end
end
def to_s
super << '-dayportion-' << @type.to_s
end
end

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class Chronic::RepeaterFortnight < Chronic::Repeater #:nodoc:
FORTNIGHT_SECONDS = 1_209_600 # (14 * 24 * 60 * 60)
def next(pointer)
super
if !@current_fortnight_start
case pointer
when :future
sunday_repeater = Chronic::RepeaterDayName.new(:sunday)
sunday_repeater.start = @now
next_sunday_span = sunday_repeater.next(:future)
@current_fortnight_start = next_sunday_span.begin
when :past
sunday_repeater = Chronic::RepeaterDayName.new(:sunday)
sunday_repeater.start = (@now + Chronic::RepeaterDay::DAY_SECONDS)
2.times { sunday_repeater.next(:past) }
last_sunday_span = sunday_repeater.next(:past)
@current_fortnight_start = last_sunday_span.begin
end
else
direction = pointer == :future ? 1 : -1
@current_fortnight_start += direction * FORTNIGHT_SECONDS
end
Chronic::Span.new(@current_fortnight_start, @current_fortnight_start + FORTNIGHT_SECONDS)
end
def this(pointer = :future)
super
case pointer
when :future
this_fortnight_start = Time.local(@now.year, @now.month, @now.day, @now.hour) + Chronic::RepeaterHour::HOUR_SECONDS
sunday_repeater = Chronic::RepeaterDayName.new(:sunday)
sunday_repeater.start = @now
sunday_repeater.this(:future)
this_sunday_span = sunday_repeater.this(:future)
this_fortnight_end = this_sunday_span.begin
Chronic::Span.new(this_fortnight_start, this_fortnight_end)
when :past
this_fortnight_end = Time.local(@now.year, @now.month, @now.day, @now.hour)
sunday_repeater = Chronic::RepeaterDayName.new(:sunday)
sunday_repeater.start = @now
#sunday_repeater.next(:past)
last_sunday_span = sunday_repeater.next(:past)
this_fortnight_start = last_sunday_span.begin
Chronic::Span.new(this_fortnight_start, this_fortnight_end)
end
end
def offset(span, amount, pointer)
direction = pointer == :future ? 1 : -1
span + direction * amount * FORTNIGHT_SECONDS
end
def width
FORTNIGHT_SECONDS
end
def to_s
super << '-fortnight'
end
end

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class Chronic::RepeaterHour < Chronic::Repeater #:nodoc:
HOUR_SECONDS = 3600 # 60 * 60
def next(pointer)
super
if !@current_hour_start
case pointer
when :future
@current_hour_start = Time.local(@now.year, @now.month, @now.day, @now.hour + 1)
when :past
@current_hour_start = Time.local(@now.year, @now.month, @now.day, @now.hour - 1)
end
else
direction = pointer == :future ? 1 : -1
@current_hour_start += direction * HOUR_SECONDS
end
Chronic::Span.new(@current_hour_start, @current_hour_start + HOUR_SECONDS)
end
def this(pointer = :future)
super
case pointer
when :future
hour_start = Time.local(@now.year, @now.month, @now.day, @now.hour, @now.min + 1)
hour_end = Time.local(@now.year, @now.month, @now.day, @now.hour + 1)
when :past
hour_start = Time.local(@now.year, @now.month, @now.day, @now.hour)
hour_end = Time.local(@now.year, @now.month, @now.day, @now.hour, @now.min)
when :none
hour_start = Time.local(@now.year, @now.month, @now.day, @now.hour)
hour_end = hour_begin + HOUR_SECONDS
end
Chronic::Span.new(hour_start, hour_end)
end
def offset(span, amount, pointer)
direction = pointer == :future ? 1 : -1
span + direction * amount * HOUR_SECONDS
end
def width
HOUR_SECONDS
end
def to_s
super << '-hour'
end
end

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class Chronic::RepeaterMinute < Chronic::Repeater #:nodoc:
MINUTE_SECONDS = 60
def this(pointer = :future)
minute_begin = Time.local(@now.year, @now.month, @now.day, @now.hour, @now.min)
Chronic::Span.new(minute_begin, minute_begin + MINUTE_SECONDS)
end
def offset(span, amount, pointer)
direction = pointer == :future ? 1 : -1
span + direction * amount * MINUTE_SECONDS
end
def width
MINUTE_SECONDS
end
def to_s
super << '-minute'
end
end

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class Chronic::RepeaterMonth < Chronic::Repeater #:nodoc:
MONTH_SECONDS = 2_592_000 # 30 * 24 * 60 * 60
YEAR_MONTHS = 12
def next(pointer)
super
if !@current_month_start
@current_month_start = offset_by(Time.local(@now.year, @now.month), 1, pointer)
else
@current_month_start = offset_by(Time.local(@current_month_start.year, @current_month_start.month), 1, pointer)
end
Chronic::Span.new(@current_month_start, Time.local(@current_month_start.year, @current_month_start.month + 1))
end
def this(pointer = :future)
super
case pointer
when :future
month_start = Time.local(@now.year, @now.month, @now.day + 1)
month_end = self.offset_by(Time.local(@now.year, @now.month), 1, :future)
when :past
month_start = Time.local(@now.year, @now.month)
month_end = Time.local(@now.year, @now.month, @now.day)
end
Chronic::Span.new(month_start, month_end)
end
def offset(span, amount, pointer)
Chronic::Span.new(offset_by(span.begin, amount, pointer), offset_by(span.end, amount, pointer))
end
def offset_by(time, amount, pointer)
direction = pointer == :future ? 1 : -1
amount_years = direction * amount / YEAR_MONTHS
amount_months = direction * amount % YEAR_MONTHS
new_year = time.year + amount_years
new_month = time.month + amount_months
if new_month > YEAR_MONTHS
new_year += 1
new_month -= YEAR_MONTHS
end
Time.local(new_year, new_month, time.day, time.hour, time.min, time.sec)
end
def width
MONTH_SECONDS
end
end

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class Chronic::RepeaterMonthName < Chronic::Repeater #:nodoc:
MONTH_SECONDS = 2_592_000 # 30 * 24 * 60 * 60
def next(pointer)
super
if !@current_month_begin
target_month = symbol_to_number(@type)
case pointer
when :future
if @now.month < target_month
@current_month_begin = Time.local(@now.year, target_month)
else @now.month > target_month
@current_month_begin = Time.local(@now.year + 1, target_month)
end
when :past
if @now.month > target_month
@current_month_begin = Time.local(@now.year, target_month)
else @now.month < target_month
@current_month_begin = Time.local(@now.year - 1, target_month)
end
end
@current_month_begin || raise("Current month should be set by now")
else
case pointer
when :future
@current_month_begin = Time.local(@current_month_begin.year + 1, @current_month_begin.month)
when :past
@current_month_begin = Time.local(@current_month_begin.year - 1, @current_month_begin.month)
end
end
cur_month_year = @current_month_begin.year
cur_month_month = @current_month_begin.month
if cur_month_month == 12
next_month_year = cur_month_year + 1
next_month_month = 1
else
next_month_year = cur_month_year
next_month_month = cur_month_month + 1
end
Chronic::Span.new(@current_month_begin, Time.local(next_month_year, next_month_month))
end
def this(pointer = :future)
super
self.next(pointer)
end
def width
MONTH_SECONDS
end
def index
symbol_to_number(@type)
end
def to_s
super << '-month-' << @type.to_s
end
private
def symbol_to_number(sym)
lookup = {:january => 1,
:february => 2,
:march => 3,
:april => 4,
:may => 5,
:june => 6,
:july => 7,
:august => 8,
:september => 9,
:october => 10,
:november => 11,
:december => 12}
lookup[sym] || raise("Invalid symbol specified")
end
end

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class Chronic::RepeaterSeason < Chronic::Repeater #:nodoc:
SEASON_SECONDS = 7_862_400 # 91 * 24 * 60 * 60
def next(pointer)
super
raise 'Not implemented'
end
def this(pointer = :future)
super
raise 'Not implemented'
end
def width
SEASON_SECONDS
end
def to_s
super << '-season'
end
end

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class Chronic::RepeaterSeasonName < Chronic::RepeaterSeason #:nodoc:
@summer = ['jul 21', 'sep 22']
@autumn = ['sep 23', 'dec 21']
@winter = ['dec 22', 'mar 19']
@spring = ['mar 20', 'jul 20']
def next(pointer)
super
raise 'Not implemented'
end
def this(pointer = :future)
super
raise 'Not implemented'
end
def width
(91 * 24 * 60 * 60)
end
def to_s
super << '-season-' << @type.to_s
end
end

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class Chronic::RepeaterSecond < Chronic::Repeater #:nodoc:
SECOND_SECONDS = 1 # haha, awesome
def next(pointer = :future)
super
direction = pointer == :future ? 1 : -1
if !@second_start
@second_start = @now + (direction * SECOND_SECONDS)
else
@second_start += SECOND_SECONDS * direction
end
Chronic::Span.new(@second_start, @second_start + SECOND_SECONDS)
end
def this(pointer = :future)
Chronic::Span.new(@now, @now + 1)
end
def offset(span, amount, pointer)
direction = pointer == :future ? 1 : -1
span + direction * amount * SECOND_SECONDS
end
def width
SECOND_SECONDS
end
def to_s
super << '-second'
end
end

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class Chronic::RepeaterTime < Chronic::Repeater #:nodoc:
class Tick #:nodoc:
attr_accessor :time
def initialize(time, ambiguous = false)
@time = time
@ambiguous = ambiguous
end
def ambiguous?
@ambiguous
end
def *(other)
Tick.new(@time * other, @ambiguous)
end
def to_f
@time.to_f
end
def to_s
@time.to_s + (@ambiguous ? '?' : '')
end
end
def initialize(time, options = {})
t = time.sub(/\:/, '')
@type =
if (1..2) === t.size
Tick.new(t.to_i * 60 * 60, true)
elsif t.size == 3
Tick.new((t[0..0].to_i * 60 * 60) + (t[1..2].to_i * 60), true)
elsif t.size == 4
ambiguous = time =~ /:/ && t[0..0].to_i != 0 && t[0..1].to_i <= 12
Tick.new(t[0..1].to_i * 60 * 60 + t[2..3].to_i * 60, ambiguous)
else
raise("Time cannot exceed four digits")
end
end
# Return the next past or future Span for the time that this Repeater represents
# pointer - Symbol representing which temporal direction to fetch the next day
# must be either :past or :future
def next(pointer)
super
half_day = 60 * 60 * 12
full_day = 60 * 60 * 24
first = false
unless @current_time
first = true
midnight = Time.local(@now.year, @now.month, @now.day)
yesterday_midnight = midnight - full_day
tomorrow_midnight = midnight + full_day
catch :done do
if pointer == :future
if @type.ambiguous?
[midnight + @type, midnight + half_day + @type, tomorrow_midnight + @type].each do |t|
(@current_time = t; throw :done) if t > @now
end
else
[midnight + @type, tomorrow_midnight + @type].each do |t|
(@current_time = t; throw :done) if t > @now
end
end
else # pointer == :past
if @type.ambiguous?
[midnight + half_day + @type, midnight + @type, yesterday_midnight + @type * 2].each do |t|
(@current_time = t; throw :done) if t < @now
end
else
[midnight + @type, yesterday_midnight + @type].each do |t|
(@current_time = t; throw :done) if t < @now
end
end
end
end
@current_time || raise("Current time cannot be nil at this point")
end
unless first
increment = @type.ambiguous? ? half_day : full_day
@current_time += pointer == :future ? increment : -increment
end
Chronic::Span.new(@current_time, @current_time + width)
end
def this(context = :future)
[:future, :past].include?(context) || raise("First argument 'context' must be one of :past or :future")
self.next(context)
end
def width
1
end
def to_s
super << '-time-' << @type.to_s
end
end

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class Chronic::RepeaterWeek < Chronic::Repeater #:nodoc:
WEEK_SECONDS = 604800 # (7 * 24 * 60 * 60)
def next(pointer)
super
if !@current_week_start
case pointer
when :future
sunday_repeater = Chronic::RepeaterDayName.new(:sunday)
sunday_repeater.start = @now
next_sunday_span = sunday_repeater.next(:future)
@current_week_start = next_sunday_span.begin
when :past
sunday_repeater = Chronic::RepeaterDayName.new(:sunday)
sunday_repeater.start = (@now + Chronic::RepeaterDay::DAY_SECONDS)
sunday_repeater.next(:past)
last_sunday_span = sunday_repeater.next(:past)
@current_week_start = last_sunday_span.begin
end
else
direction = pointer == :future ? 1 : -1
@current_week_start += direction * WEEK_SECONDS
end
Chronic::Span.new(@current_week_start, @current_week_start + WEEK_SECONDS)
end
def this(pointer = :future)
super
case pointer
when :future
this_week_start = Time.local(@now.year, @now.month, @now.day, @now.hour) + Chronic::RepeaterHour::HOUR_SECONDS
sunday_repeater = Chronic::RepeaterDayName.new(:sunday)
sunday_repeater.start = @now
this_sunday_span = sunday_repeater.this(:future)
this_week_end = this_sunday_span.begin
Chronic::Span.new(this_week_start, this_week_end)
when :past
this_week_end = Time.local(@now.year, @now.month, @now.day, @now.hour)
sunday_repeater = Chronic::RepeaterDayName.new(:sunday)
sunday_repeater.start = @now
last_sunday_span = sunday_repeater.next(:past)
this_week_start = last_sunday_span.begin
Chronic::Span.new(this_week_start, this_week_end)
end
end
def offset(span, amount, pointer)
direction = pointer == :future ? 1 : -1
span + direction * amount * WEEK_SECONDS
end
def width
WEEK_SECONDS
end
def to_s
super << '-week'
end
end

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class Chronic::RepeaterWeekend < Chronic::Repeater #:nodoc:
WEEKEND_SECONDS = 172_800 # (2 * 24 * 60 * 60)
def width
WEEKEND_SECONDS
end
def to_s
super << '-weekend'
end
end

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class Chronic::RepeaterYear < Chronic::Repeater #:nodoc:
def next(pointer)
super
if !@current_year_start
case pointer
when :future
@current_year_start = Time.local(@now.year + 1)
when :past
@current_year_start = Time.local(@now.year - 1)
end
else
diff = pointer == :future ? 1 : -1
@current_year_start = Time.local(@current_year_start.year + diff)
end
Chronic::Span.new(@current_year_start, Time.local(@current_year_start.year + 1))
end
def this(pointer = :future)
super
case pointer
when :future
this_year_start = Time.local(@now.year, @now.month, @now.day) + Chronic::RepeaterDay::DAY_SECONDS
this_year_end = Time.local(@now.year + 1, 1, 1)
when :past
this_year_start = Time.local(@now.year, 1, 1)
this_year_end = Time.local(@now.year, @now.month, @now.day)
end
Chronic::Span.new(this_year_start, this_year_end)
end
def offset(span, amount, pointer)
direction = pointer == :future ? 1 : -1
sb = span.begin
new_begin = Time.local(sb.year + (amount * direction), sb.month, sb.day, sb.hour, sb.min, sb.sec)
se = span.end
new_end = Time.local(se.year + (amount * direction), se.month, se.day, se.hour, se.min, se.sec)
Chronic::Span.new(new_begin, new_end)
end
def width
(365 * 24 * 60 * 60)
end
def to_s
super << '-year'
end
end

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module Chronic
class Scalar < Tag #:nodoc:
def self.scan(tokens)
# for each token
tokens.each_index do |i|
if t = self.scan_for_scalars(tokens[i], tokens[i + 1]) then tokens[i].tag(t) end
if t = self.scan_for_days(tokens[i], tokens[i + 1]) then tokens[i].tag(t) end
if t = self.scan_for_months(tokens[i], tokens[i + 1]) then tokens[i].tag(t) end
if t = self.scan_for_years(tokens[i], tokens[i + 1]) then tokens[i].tag(t) end
end
tokens
end
def self.scan_for_scalars(token, post_token)
if token.word =~ /^\d*$/
unless post_token && %w{am pm morning afternoon evening night}.include?(post_token)
return Scalar.new(token.word.to_i)
end
end
return nil
end
def self.scan_for_days(token, post_token)
if token.word =~ /^\d\d?$/
unless token.word.to_i > 31 || (post_token && %w{am pm morning afternoon evening night}.include?(post_token))
return ScalarDay.new(token.word.to_i)
end
end
return nil
end
def self.scan_for_months(token, post_token)
if token.word =~ /^\d\d?$/
unless token.word.to_i > 12 || (post_token && %w{am pm morning afternoon evening night}.include?(post_token))
return ScalarMonth.new(token.word.to_i)
end
end
return nil
end
def self.scan_for_years(token, post_token)
if token.word =~ /^\d\d(\d\d)?$/
unless post_token && %w{am pm morning afternoon evening night}.include?(post_token)
return ScalarYear.new(token.word.to_i)
end
end
return nil
end
def to_s
'scalar'
end
end
class ScalarDay < Scalar #:nodoc:
def to_s
super << '-day-' << @type.to_s
end
end
class ScalarMonth < Scalar #:nodoc:
def to_s
super << '-month-' << @type.to_s
end
end
class ScalarYear < Scalar #:nodoc:
def to_s
super << '-year-' << @type.to_s
end
end
end

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module Chronic
class Separator < Tag #:nodoc:
def self.scan(tokens)
tokens.each_index do |i|
if t = self.scan_for_commas(tokens[i]) then tokens[i].tag(t); next end
if t = self.scan_for_slash_or_dash(tokens[i]) then tokens[i].tag(t); next end
if t = self.scan_for_at(tokens[i]) then tokens[i].tag(t); next end
if t = self.scan_for_in(tokens[i]) then tokens[i].tag(t); next end
end
tokens
end
def self.scan_for_commas(token)
scanner = {/^,$/ => :comma}
scanner.keys.each do |scanner_item|
return SeparatorComma.new(scanner[scanner_item]) if scanner_item =~ token.word
end
return nil
end
def self.scan_for_slash_or_dash(token)
scanner = {/^-$/ => :dash,
/^\/$/ => :slash}
scanner.keys.each do |scanner_item|
return SeparatorSlashOrDash.new(scanner[scanner_item]) if scanner_item =~ token.word
end
return nil
end
def self.scan_for_at(token)
scanner = {/^(at|@)$/ => :at}
scanner.keys.each do |scanner_item|
return SeparatorAt.new(scanner[scanner_item]) if scanner_item =~ token.word
end
return nil
end
def self.scan_for_in(token)
scanner = {/^in$/ => :in}
scanner.keys.each do |scanner_item|
return SeparatorIn.new(scanner[scanner_item]) if scanner_item =~ token.word
end
return nil
end
def to_s
'separator'
end
end
class SeparatorComma < Separator #:nodoc:
def to_s
super << '-comma'
end
end
class SeparatorSlashOrDash < Separator #:nodoc:
def to_s
super << '-slashordash-' << @type.to_s
end
end
class SeparatorAt < Separator #:nodoc:
def to_s
super << '-at'
end
end
class SeparatorIn < Separator #:nodoc:
def to_s
super << '-in'
end
end
end

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__END__
require 'test/unit'
class ParseNumbersTest < Test::Unit::TestCase
def test_parse
strings = {1 => 'one',
5 => 'five',
10 => 'ten',
11 => 'eleven',
12 => 'twelve',
13 => 'thirteen',
14 => 'fourteen',
15 => 'fifteen',
16 => 'sixteen',
17 => 'seventeen',
18 => 'eighteen',
19 => 'nineteen',
20 => 'twenty',
27 => 'twenty seven',
31 => 'thirty-one',
59 => 'fifty nine',
100 => 'a hundred',
100 => 'one hundred',
150 => 'one hundred and fifty',
150 => 'one fifty',
200 => 'two-hundred',
500 => '5 hundred',
999 => 'nine hundred and ninety nine',
1_000 => 'one thousand',
1_200 => 'twelve hundred',
1_200 => 'one thousand two hundred',
17_000 => 'seventeen thousand',
21_473 => 'twentyone-thousand-four-hundred-and-seventy-three',
74_002 => 'seventy four thousand and two',
99_999 => 'ninety nine thousand nine hundred ninety nine',
100_000 => '100 thousand',
250_000 => 'two hundred fifty thousand',
1_000_000 => 'one million',
1_250_007 => 'one million two hundred fifty thousand and seven',
1_000_000_000 => 'one billion',
1_000_000_001 => 'one billion and one'}
strings.keys.sort.each do |key|
assert_equal key, JW::NumberMagick.convert(strings[key])
end
end
end

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require 'test/unit'
tests = Dir["#{File.dirname(__FILE__)}/test_*.rb"]
tests.delete_if { |o| o =~ /test_parsing/ }
tests.each do |file|
require file
end
require File.dirname(__FILE__) + '/test_parsing.rb'

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require 'chronic'
require 'test/unit'
class TestChronic < Test::Unit::TestCase
def setup
# Wed Aug 16 14:00:00 UTC 2006
@now = Time.local(2006, 8, 16, 14, 0, 0, 0)
end
def test_post_normalize_am_pm_aliases
# affect wanted patterns
tokens = [Chronic::Token.new("5:00"), Chronic::Token.new("morning")]
tokens[0].tag(Chronic::RepeaterTime.new("5:00"))
tokens[1].tag(Chronic::RepeaterDayPortion.new(:morning))
assert_equal :morning, tokens[1].tags[0].type
tokens = Chronic.dealias_and_disambiguate_times(tokens, {})
assert_equal :am, tokens[1].tags[0].type
assert_equal 2, tokens.size
# don't affect unwanted patterns
tokens = [Chronic::Token.new("friday"), Chronic::Token.new("morning")]
tokens[0].tag(Chronic::RepeaterDayName.new(:friday))
tokens[1].tag(Chronic::RepeaterDayPortion.new(:morning))
assert_equal :morning, tokens[1].tags[0].type
tokens = Chronic.dealias_and_disambiguate_times(tokens, {})
assert_equal :morning, tokens[1].tags[0].type
assert_equal 2, tokens.size
end
def test_guess
span = Chronic::Span.new(Time.local(2006, 8, 16, 0), Time.local(2006, 8, 17, 0))
assert_equal Time.local(2006, 8, 16, 12), Chronic.guess(span)
span = Chronic::Span.new(Time.local(2006, 8, 16, 0), Time.local(2006, 8, 17, 0, 0, 1))
assert_equal Time.local(2006, 8, 16, 12), Chronic.guess(span)
span = Chronic::Span.new(Time.local(2006, 11), Time.local(2006, 12))
assert_equal Time.local(2006, 11, 16), Chronic.guess(span)
end
end

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require 'chronic'
require 'test/unit'
class TestHandler < Test::Unit::TestCase
def setup
# Wed Aug 16 14:00:00 UTC 2006
@now = Time.local(2006, 8, 16, 14, 0, 0, 0)
end
def test_handler_class_1
handler = Chronic::Handler.new([:repeater], :handler)
tokens = [Chronic::Token.new('friday')]
tokens[0].tag(Chronic::RepeaterDayName.new(:friday))
assert handler.match(tokens, Chronic.definitions)
tokens << Chronic::Token.new('afternoon')
tokens[1].tag(Chronic::RepeaterDayPortion.new(:afternoon))
assert !handler.match(tokens, Chronic.definitions)
end
def test_handler_class_2
handler = Chronic::Handler.new([:repeater, :repeater?], :handler)
tokens = [Chronic::Token.new('friday')]
tokens[0].tag(Chronic::RepeaterDayName.new(:friday))
assert handler.match(tokens, Chronic.definitions)
tokens << Chronic::Token.new('afternoon')
tokens[1].tag(Chronic::RepeaterDayPortion.new(:afternoon))
assert handler.match(tokens, Chronic.definitions)
tokens << Chronic::Token.new('afternoon')
tokens[2].tag(Chronic::RepeaterDayPortion.new(:afternoon))
assert !handler.match(tokens, Chronic.definitions)
end
def test_handler_class_3
handler = Chronic::Handler.new([:repeater, 'time?'], :handler)
tokens = [Chronic::Token.new('friday')]
tokens[0].tag(Chronic::RepeaterDayName.new(:friday))
assert handler.match(tokens, Chronic.definitions)
tokens << Chronic::Token.new('afternoon')
tokens[1].tag(Chronic::RepeaterDayPortion.new(:afternoon))
assert !handler.match(tokens, Chronic.definitions)
end
def test_handler_class_4
handler = Chronic::Handler.new([:repeater_month_name, :scalar_day, 'time?'], :handler)
tokens = [Chronic::Token.new('may')]
tokens[0].tag(Chronic::RepeaterMonthName.new(:may))
assert !handler.match(tokens, Chronic.definitions)
tokens << Chronic::Token.new('27')
tokens[1].tag(Chronic::ScalarDay.new(27))
assert handler.match(tokens, Chronic.definitions)
end
def test_handler_class_5
handler = Chronic::Handler.new([:repeater, 'time?'], :handler)
tokens = [Chronic::Token.new('friday')]
tokens[0].tag(Chronic::RepeaterDayName.new(:friday))
assert handler.match(tokens, Chronic.definitions)
tokens << Chronic::Token.new('5:00')
tokens[1].tag(Chronic::RepeaterTime.new('5:00'))
assert handler.match(tokens, Chronic.definitions)
tokens << Chronic::Token.new('pm')
tokens[2].tag(Chronic::RepeaterDayPortion.new(:pm))
assert handler.match(tokens, Chronic.definitions)
end
def test_handler_class_6
handler = Chronic::Handler.new([:scalar, :repeater, :pointer], :handler)
tokens = [Chronic::Token.new('3'),
Chronic::Token.new('years'),
Chronic::Token.new('past')]
tokens[0].tag(Chronic::Scalar.new(3))
tokens[1].tag(Chronic::RepeaterYear.new(:year))
tokens[2].tag(Chronic::Pointer.new(:past))
assert handler.match(tokens, Chronic.definitions)
end
def test_constantize
handler = Chronic::Handler.new([], :handler)
assert_equal Chronic::RepeaterTime, handler.constantize(:repeater_time)
end
end

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require 'chronic'
require 'test/unit'
class TestRepeaterDayName < Test::Unit::TestCase
def setup
@now = Time.local(2006, 8, 16, 14, 0, 0, 0)
end
def test_match
token = Chronic::Token.new('saturday')
repeater = Chronic::Repeater.scan_for_day_names(token)
assert_equal Chronic::RepeaterDayName, repeater.class
assert_equal :saturday, repeater.type
token = Chronic::Token.new('sunday')
repeater = Chronic::Repeater.scan_for_day_names(token)
assert_equal Chronic::RepeaterDayName, repeater.class
assert_equal :sunday, repeater.type
end
def test_next_future
mondays = Chronic::RepeaterDayName.new(:monday)
mondays.start = @now
span = mondays.next(:future)
assert_equal Time.local(2006, 8, 21), span.begin
assert_equal Time.local(2006, 8, 22), span.end
span = mondays.next(:future)
assert_equal Time.local(2006, 8, 28), span.begin
assert_equal Time.local(2006, 8, 29), span.end
end
def test_next_past
mondays = Chronic::RepeaterDayName.new(:monday)
mondays.start = @now
span = mondays.next(:past)
assert_equal Time.local(2006, 8, 14), span.begin
assert_equal Time.local(2006, 8, 15), span.end
span = mondays.next(:past)
assert_equal Time.local(2006, 8, 7), span.begin
assert_equal Time.local(2006, 8, 8), span.end
end
end

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require 'chronic'
require 'test/unit'
class TestRepeaterFortnight < Test::Unit::TestCase
def setup
@now = Time.local(2006, 8, 16, 14, 0, 0, 0)
end
def test_next_future
fortnights = Chronic::RepeaterFortnight.new(:fortnight)
fortnights.start = @now
next_fortnight = fortnights.next(:future)
assert_equal Time.local(2006, 8, 20), next_fortnight.begin
assert_equal Time.local(2006, 9, 3), next_fortnight.end
next_next_fortnight = fortnights.next(:future)
assert_equal Time.local(2006, 9, 3), next_next_fortnight.begin
assert_equal Time.local(2006, 9, 17), next_next_fortnight.end
end
def test_next_past
fortnights = Chronic::RepeaterFortnight.new(:fortnight)
fortnights.start = @now
last_fortnight = fortnights.next(:past)
assert_equal Time.local(2006, 7, 30), last_fortnight.begin
assert_equal Time.local(2006, 8, 13), last_fortnight.end
last_last_fortnight = fortnights.next(:past)
assert_equal Time.local(2006, 7, 16), last_last_fortnight.begin
assert_equal Time.local(2006, 7, 30), last_last_fortnight.end
end
def test_this_future
fortnights = Chronic::RepeaterFortnight.new(:fortnight)
fortnights.start = @now
this_fortnight = fortnights.this(:future)
assert_equal Time.local(2006, 8, 16, 15), this_fortnight.begin
assert_equal Time.local(2006, 8, 27), this_fortnight.end
end
def test_this_past
fortnights = Chronic::RepeaterFortnight.new(:fortnight)
fortnights.start = @now
this_fortnight = fortnights.this(:past)
assert_equal Time.local(2006, 8, 13, 0), this_fortnight.begin
assert_equal Time.local(2006, 8, 16, 14), this_fortnight.end
end
def test_offset
span = Chronic::Span.new(@now, @now + 1)
offset_span = Chronic::RepeaterWeek.new(:week).offset(span, 3, :future)
assert_equal Time.local(2006, 9, 6, 14), offset_span.begin
assert_equal Time.local(2006, 9, 6, 14, 0, 1), offset_span.end
end
end

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require 'chronic'
require 'test/unit'
class TestRepeaterHour < Test::Unit::TestCase
def setup
@now = Time.local(2006, 8, 16, 14, 0, 0, 0)
end
def test_next_future
hours = Chronic::RepeaterHour.new(:hour)
hours.start = @now
next_hour = hours.next(:future)
assert_equal Time.local(2006, 8, 16, 15), next_hour.begin
assert_equal Time.local(2006, 8, 16, 16), next_hour.end
next_next_hour = hours.next(:future)
assert_equal Time.local(2006, 8, 16, 16), next_next_hour.begin
assert_equal Time.local(2006, 8, 16, 17), next_next_hour.end
end
def test_next_past
hours = Chronic::RepeaterHour.new(:hour)
hours.start = @now
past_hour = hours.next(:past)
assert_equal Time.local(2006, 8, 16, 13), past_hour.begin
assert_equal Time.local(2006, 8, 16, 14), past_hour.end
past_past_hour = hours.next(:past)
assert_equal Time.local(2006, 8, 16, 12), past_past_hour.begin
assert_equal Time.local(2006, 8, 16, 13), past_past_hour.end
end
def test_this
@now = Time.local(2006, 8, 16, 14, 30)
hours = Chronic::RepeaterHour.new(:hour)
hours.start = @now
this_hour = hours.this(:future)
assert_equal Time.local(2006, 8, 16, 14, 31), this_hour.begin
assert_equal Time.local(2006, 8, 16, 15), this_hour.end
this_hour = hours.this(:past)
assert_equal Time.local(2006, 8, 16, 14), this_hour.begin
assert_equal Time.local(2006, 8, 16, 14, 30), this_hour.end
end
def test_offset
span = Chronic::Span.new(@now, @now + 1)
offset_span = Chronic::RepeaterHour.new(:hour).offset(span, 3, :future)
assert_equal Time.local(2006, 8, 16, 17), offset_span.begin
assert_equal Time.local(2006, 8, 16, 17, 0, 1), offset_span.end
offset_span = Chronic::RepeaterHour.new(:hour).offset(span, 24, :past)
assert_equal Time.local(2006, 8, 15, 14), offset_span.begin
assert_equal Time.local(2006, 8, 15, 14, 0, 1), offset_span.end
end
end

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require 'chronic'
require 'test/unit'
class TestRepeaterMonth < Test::Unit::TestCase
def setup
# Wed Aug 16 14:00:00 2006
@now = Time.local(2006, 8, 16, 14, 0, 0, 0)
end
def test_offset_by
# future
time = Chronic::RepeaterMonth.new(:month).offset_by(@now, 1, :future)
assert_equal Time.local(2006, 9, 16, 14), time
time = Chronic::RepeaterMonth.new(:month).offset_by(@now, 5, :future)
assert_equal Time.local(2007, 1, 16, 14), time
# past
time = Chronic::RepeaterMonth.new(:month).offset_by(@now, 1, :past)
assert_equal Time.local(2006, 7, 16, 14), time
time = Chronic::RepeaterMonth.new(:month).offset_by(@now, 10, :past)
assert_equal Time.local(2005, 10, 16, 14), time
end
def test_offset
# future
span = Chronic::Span.new(@now, @now + 60)
offset_span = Chronic::RepeaterMonth.new(:month).offset(span, 1, :future)
assert_equal Time.local(2006, 9, 16, 14), offset_span.begin
assert_equal Time.local(2006, 9, 16, 14, 1), offset_span.end
# past
span = Chronic::Span.new(@now, @now + 60)
offset_span = Chronic::RepeaterMonth.new(:month).offset(span, 1, :past)
assert_equal Time.local(2006, 7, 16, 14), offset_span.begin
assert_equal Time.local(2006, 7, 16, 14, 1), offset_span.end
end
end

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require 'chronic'
require 'test/unit'
class TestRepeaterMonthName < Test::Unit::TestCase
def setup
# Wed Aug 16 14:00:00 2006
@now = Time.local(2006, 8, 16, 14, 0, 0, 0)
end
def test_next
# future
mays = Chronic::RepeaterMonthName.new(:may)
mays.start = @now
next_may = mays.next(:future)
assert_equal Time.local(2007, 5), next_may.begin
assert_equal Time.local(2007, 6), next_may.end
next_next_may = mays.next(:future)
assert_equal Time.local(2008, 5), next_next_may.begin
assert_equal Time.local(2008, 6), next_next_may.end
decembers = Chronic::RepeaterMonthName.new(:december)
decembers.start = @now
next_december = decembers.next(:future)
assert_equal Time.local(2006, 12), next_december.begin
assert_equal Time.local(2007, 1), next_december.end
# past
mays = Chronic::RepeaterMonthName.new(:may)
mays.start = @now
assert_equal Time.local(2006, 5), mays.next(:past).begin
assert_equal Time.local(2005, 5), mays.next(:past).begin
end
def test_this
octobers = Chronic::RepeaterMonthName.new(:october)
octobers.start = @now
this_october = octobers.this(:future)
assert_equal Time.local(2006, 10, 1), this_october.begin
assert_equal Time.local(2006, 11, 1), this_october.end
aprils = Chronic::RepeaterMonthName.new(:april)
aprils.start = @now
this_april = aprils.this(:past)
assert_equal Time.local(2006, 4, 1), this_april.begin
assert_equal Time.local(2006, 5, 1), this_april.end
end
end

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require 'chronic'
require 'test/unit'
class TestRepeaterTime < Test::Unit::TestCase
def setup
# Wed Aug 16 14:00:00 2006
@now = Time.local(2006, 8, 16, 14, 0, 0, 0)
end
def test_next_future
t = Chronic::RepeaterTime.new('4:00')
t.start = @now
assert_equal Time.local(2006, 8, 16, 16), t.next(:future).begin
assert_equal Time.local(2006, 8, 17, 4), t.next(:future).begin
t = Chronic::RepeaterTime.new('13:00')
t.start = @now
assert_equal Time.local(2006, 8, 17, 13), t.next(:future).begin
assert_equal Time.local(2006, 8, 18, 13), t.next(:future).begin
t = Chronic::RepeaterTime.new('0400')
t.start = @now
assert_equal Time.local(2006, 8, 17, 4), t.next(:future).begin
assert_equal Time.local(2006, 8, 18, 4), t.next(:future).begin
end
def test_next_past
t = Chronic::RepeaterTime.new('4:00')
t.start = @now
assert_equal Time.local(2006, 8, 16, 4), t.next(:past).begin
assert_equal Time.local(2006, 8, 15, 16), t.next(:past).begin
t = Chronic::RepeaterTime.new('13:00')
t.start = @now
assert_equal Time.local(2006, 8, 16, 13), t.next(:past).begin
assert_equal Time.local(2006, 8, 15, 13), t.next(:past).begin
end
def test_type
t1 = Chronic::RepeaterTime.new('4')
assert_equal 14_400, t1.type.time
t1 = Chronic::RepeaterTime.new('14')
assert_equal 50_400, t1.type.time
t1 = Chronic::RepeaterTime.new('4:00')
assert_equal 14_400, t1.type.time
t1 = Chronic::RepeaterTime.new('4:30')
assert_equal 16_200, t1.type.time
t1 = Chronic::RepeaterTime.new('1400')
assert_equal 50_400, t1.type.time
t1 = Chronic::RepeaterTime.new('0400')
assert_equal 14_400, t1.type.time
t1 = Chronic::RepeaterTime.new('04')
assert_equal 14_400, t1.type.time
t1 = Chronic::RepeaterTime.new('400')
assert_equal 14_400, t1.type.time
end
end

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require 'chronic'
require 'test/unit'
class TestRepeaterWeek < Test::Unit::TestCase
def setup
@now = Time.local(2006, 8, 16, 14, 0, 0, 0)
end
def test_next_future
weeks = Chronic::RepeaterWeek.new(:week)
weeks.start = @now
next_week = weeks.next(:future)
assert_equal Time.local(2006, 8, 20), next_week.begin
assert_equal Time.local(2006, 8, 27), next_week.end
next_next_week = weeks.next(:future)
assert_equal Time.local(2006, 8, 27), next_next_week.begin
assert_equal Time.local(2006, 9, 3), next_next_week.end
end
def test_next_past
weeks = Chronic::RepeaterWeek.new(:week)
weeks.start = @now
last_week = weeks.next(:past)
assert_equal Time.local(2006, 8, 6), last_week.begin
assert_equal Time.local(2006, 8, 13), last_week.end
last_last_week = weeks.next(:past)
assert_equal Time.local(2006, 7, 30), last_last_week.begin
assert_equal Time.local(2006, 8, 6), last_last_week.end
end
def test_this_future
weeks = Chronic::RepeaterWeek.new(:week)
weeks.start = @now
this_week = weeks.this(:future)
assert_equal Time.local(2006, 8, 16, 15), this_week.begin
assert_equal Time.local(2006, 8, 20), this_week.end
end
def test_this_past
weeks = Chronic::RepeaterWeek.new(:week)
weeks.start = @now
this_week = weeks.this(:past)
assert_equal Time.local(2006, 8, 13, 0), this_week.begin
assert_equal Time.local(2006, 8, 16, 14), this_week.end
end
def test_offset
span = Chronic::Span.new(@now, @now + 1)
offset_span = Chronic::RepeaterWeek.new(:week).offset(span, 3, :future)
assert_equal Time.local(2006, 9, 6, 14), offset_span.begin
assert_equal Time.local(2006, 9, 6, 14, 0, 1), offset_span.end
end
end

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require 'chronic'
require 'test/unit'
class TestRepeaterYear < Test::Unit::TestCase
def setup
@now = Time.local(2006, 8, 16, 14, 0, 0, 0)
end
def test_next_future
years = Chronic::RepeaterYear.new(:year)
years.start = @now
next_year = years.next(:future)
assert_equal Time.local(2007, 1, 1), next_year.begin
assert_equal Time.local(2008, 1, 1), next_year.end
next_next_year = years.next(:future)
assert_equal Time.local(2008, 1, 1), next_next_year.begin
assert_equal Time.local(2009, 1, 1), next_next_year.end
end
def test_next_past
years = Chronic::RepeaterYear.new(:year)
years.start = @now
last_year = years.next(:past)
assert_equal Time.local(2005, 1, 1), last_year.begin
assert_equal Time.local(2006, 1, 1), last_year.end
last_last_year = years.next(:past)
assert_equal Time.local(2004, 1, 1), last_last_year.begin
assert_equal Time.local(2005, 1, 1), last_last_year.end
end
def test_this
years = Chronic::RepeaterYear.new(:year)
years.start = @now
this_year = years.this(:future)
assert_equal Time.local(2006, 8, 17), this_year.begin
assert_equal Time.local(2007, 1, 1), this_year.end
this_year = years.this(:past)
assert_equal Time.local(2006, 1, 1), this_year.begin
assert_equal Time.local(2006, 8, 16), this_year.end
end
def test_offset
span = Chronic::Span.new(@now, @now + 1)
offset_span = Chronic::RepeaterYear.new(:year).offset(span, 3, :future)
assert_equal Time.local(2009, 8, 16, 14), offset_span.begin
assert_equal Time.local(2009, 8, 16, 14, 0, 1), offset_span.end
offset_span = Chronic::RepeaterYear.new(:year).offset(span, 10, :past)
assert_equal Time.local(1996, 8, 16, 14), offset_span.begin
assert_equal Time.local(1996, 8, 16, 14, 0, 1), offset_span.end
end
end

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require 'chronic'
require 'test/unit'
class TestSpan < Test::Unit::TestCase
def setup
# Wed Aug 16 14:00:00 UTC 2006
@now = Time.local(2006, 8, 16, 14, 0, 0, 0)
end
def test_span_width
span = Chronic::Span.new(Time.local(2006, 8, 16, 0), Time.local(2006, 8, 17, 0))
assert_equal (60 * 60 * 24), span.width
end
def test_span_math
s = Chronic::Span.new(1, 2)
assert_equal 2, (s + 1).begin
assert_equal 3, (s + 1).end
assert_equal 0, (s - 1).begin
assert_equal 1, (s - 1).end
end
end

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require 'chronic'
require 'test/unit'
class TestToken < Test::Unit::TestCase
def setup
# Wed Aug 16 14:00:00 UTC 2006
@now = Time.local(2006, 8, 16, 14, 0, 0, 0)
end
def test_token
token = Chronic::Token.new('foo')
assert_equal 0, token.tags.size
assert !token.tagged?
token.tag("mytag")
assert_equal 1, token.tags.size
assert token.tagged?
assert_equal String, token.get_tag(String).class
token.tag(5)
assert_equal 2, token.tags.size
token.untag(String)
assert_equal 1, token.tags.size
assert_equal 'foo', token.word
end
end

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require 'chronic'
require 'test/unit'
class TestParsing < Test::Unit::TestCase
def setup
# Wed Aug 16 14:00:00 UTC 2006
@time_2006_08_16_14_00_00 = Time.local(2006, 8, 16, 14, 0, 0, 0)
@time_2006_08_16_03_00_00 = Time.local(2006, 8, 16, 3, 0, 0, 0)
Chronic.debug = false
end
def test__parse_guess_dates
# rm_sd
time = Chronic.parse("may 27", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2007, 5, 27, 12), time
time = Chronic.parse("may 28", :now => @time_2006_08_16_14_00_00, :context => :past)
assert_equal Time.local(2006, 5, 28, 12), time
time = Chronic.parse("may 28 5pm", :now => @time_2006_08_16_14_00_00, :context => :past)
assert_equal Time.local(2006, 5, 28, 17), time
time = Chronic.parse("may 28 at 5pm", :now => @time_2006_08_16_14_00_00, :context => :past)
assert_equal Time.local(2006, 5, 28, 17), time
# rm_od
time = Chronic.parse("may 27th", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2007, 5, 27, 12), time
time = Chronic.parse("may 27th", :now => @time_2006_08_16_14_00_00, :context => :past)
assert_equal Time.local(2006, 5, 27, 12), time
time = Chronic.parse("may 27th 5:00 pm", :now => @time_2006_08_16_14_00_00, :context => :past)
assert_equal Time.local(2006, 5, 27, 17), time
time = Chronic.parse("may 27th at 5pm", :now => @time_2006_08_16_14_00_00, :context => :past)
assert_equal Time.local(2006, 5, 27, 17), time
time = Chronic.parse("may 27th at 5", :now => @time_2006_08_16_14_00_00, :ambiguous_time_range => :none)
assert_equal Time.local(2007, 5, 27, 5), time
# rm_sy
time = Chronic.parse("June 1979", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(1979, 6, 16, 0), time
time = Chronic.parse("dec 79", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(1979, 12, 16, 12), time
# rm_sd_sy
time = Chronic.parse("jan 3 2010", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2010, 1, 3, 12), time
time = Chronic.parse("jan 3 2010 midnight", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2010, 1, 4, 0), time
time = Chronic.parse("jan 3 2010 at midnight", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2010, 1, 4, 0), time
time = Chronic.parse("jan 3 2010 at 4", :now => @time_2006_08_16_14_00_00, :ambiguous_time_range => :none)
assert_equal Time.local(2010, 1, 3, 4), time
#time = Chronic.parse("January 12, '00", :now => @time_2006_08_16_14_00_00)
#assert_equal Time.local(2000, 1, 12, 12), time
time = Chronic.parse("may 27 79", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(1979, 5, 27, 12), time
time = Chronic.parse("may 27 79 4:30", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(1979, 5, 27, 16, 30), time
time = Chronic.parse("may 27 79 at 4:30", :now => @time_2006_08_16_14_00_00, :ambiguous_time_range => :none)
assert_equal Time.local(1979, 5, 27, 4, 30), time
# sd_rm_sy
time = Chronic.parse("3 jan 2010", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2010, 1, 3, 12), time
time = Chronic.parse("3 jan 2010 4pm", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2010, 1, 3, 16), time
# sm_sd_sy
time = Chronic.parse("5/27/1979", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(1979, 5, 27, 12), time
time = Chronic.parse("5/27/1979 4am", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(1979, 5, 27, 4), time
# sd_sm_sy
time = Chronic.parse("27/5/1979", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(1979, 5, 27, 12), time
time = Chronic.parse("27/5/1979 @ 0700", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(1979, 5, 27, 7), time
# sm_sy
time = Chronic.parse("05/06", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 5, 16, 12), time
time = Chronic.parse("12/06", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 12, 16, 12), time
time = Chronic.parse("13/06", :now => @time_2006_08_16_14_00_00)
assert_equal nil, time
# sy_sm_sd
time = Chronic.parse("2000-1-1", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2000, 1, 1, 12), time
time = Chronic.parse("2006-08-20", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 20, 12), time
time = Chronic.parse("2006-08-20 7pm", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 20, 19), time
time = Chronic.parse("2006-08-20 03:00", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 20, 3), time
# rm_sd_rt
#time = Chronic.parse("jan 5 13:00", :now => @time_2006_08_16_14_00_00)
#assert_equal Time.local(2007, 1, 5, 13), time
# due to limitations of the Time class, these don't work
time = Chronic.parse("may 40", :now => @time_2006_08_16_14_00_00)
assert_equal nil, time
time = Chronic.parse("may 27 40", :now => @time_2006_08_16_14_00_00)
assert_equal nil, time
time = Chronic.parse("1800-08-20", :now => @time_2006_08_16_14_00_00)
assert_equal nil, time
end
def test_parse_guess_r
time = Chronic.parse("friday", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 18, 12), time
time = Chronic.parse("5", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 16, 17), time
time = Chronic.parse("5", :now => @time_2006_08_16_03_00_00, :ambiguous_time_range => :none)
assert_equal Time.local(2006, 8, 16, 5), time
time = Chronic.parse("13:00", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 17, 13), time
time = Chronic.parse("13:45", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 17, 13, 45), time
time = Chronic.parse("november", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 11, 16), time
end
def test_parse_guess_rr
time = Chronic.parse("friday 13:00", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 18, 13), time
time = Chronic.parse("monday 4:00", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 21, 16), time
time = Chronic.parse("sat 4:00", :now => @time_2006_08_16_14_00_00, :ambiguous_time_range => :none)
assert_equal Time.local(2006, 8, 19, 4), time
time = Chronic.parse("sunday 4:20", :now => @time_2006_08_16_14_00_00, :ambiguous_time_range => :none)
assert_equal Time.local(2006, 8, 20, 4, 20), time
time = Chronic.parse("4 pm", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 16, 16), time
time = Chronic.parse("4 am", :now => @time_2006_08_16_14_00_00, :ambiguous_time_range => :none)
assert_equal Time.local(2006, 8, 16, 4), time
time = Chronic.parse("4:00 in the morning", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 16, 4), time
#time = Chronic.parse("november 4", :now => @time_2006_08_16_14_00_00)
#assert_equal Time.local(2006, 11, 4, 12), time
end
def test_parse_guess_rrr
time = Chronic.parse("friday 1 pm", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 18, 13), time
time = Chronic.parse("friday 11 at night", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 18, 23), time
time = Chronic.parse("friday 11 in the evening", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 18, 23), time
time = Chronic.parse("sunday 6am", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 20, 6), time
end
def test_parse_guess_gr
# year
time = Chronic.parse("this year", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 10, 24, 12, 30), time
time = Chronic.parse("this year", :now => @time_2006_08_16_14_00_00, :context => :past)
assert_equal Time.local(2006, 4, 24, 12, 30), time
# month
time = Chronic.parse("this month", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 24, 12), time
time = Chronic.parse("this month", :now => @time_2006_08_16_14_00_00, :context => :past)
assert_equal Time.local(2006, 8, 8, 12), time
# month name
time = Chronic.parse("last november", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2005, 11, 16), time
# fortnight
time = Chronic.parse("this fortnight", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 21, 19, 30), time
time = Chronic.parse("this fortnight", :now => @time_2006_08_16_14_00_00, :context => :past)
assert_equal Time.local(2006, 8, 14, 19), time
# week
time = Chronic.parse("this week", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 18, 7, 30), time
time = Chronic.parse("this week", :now => @time_2006_08_16_14_00_00, :context => :past)
assert_equal Time.local(2006, 8, 14, 19), time
# day
time = Chronic.parse("this day", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 16, 19, 30), time
time = Chronic.parse("this day", :now => @time_2006_08_16_14_00_00, :context => :past)
assert_equal Time.local(2006, 8, 16, 7), time
time = Chronic.parse("today", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 16, 19, 30), time
time = Chronic.parse("yesterday", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 15, 12), time
time = Chronic.parse("tomorrow", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 17, 12), time
# day name
time = Chronic.parse("this tuesday", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 22, 12), time
time = Chronic.parse("next tuesday", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 22, 12), time
time = Chronic.parse("last tuesday", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 15, 12), time
time = Chronic.parse("this wed", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 23, 12), time
time = Chronic.parse("next wed", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 23, 12), time
time = Chronic.parse("last wed", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 9, 12), time
# day portion
time = Chronic.parse("this morning", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 16, 9), time
time = Chronic.parse("tonight", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 16, 22), time
# second
time = Chronic.parse("this second", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 16, 14), time
time = Chronic.parse("this second", :now => @time_2006_08_16_14_00_00, :context => :past)
assert_equal Time.local(2006, 8, 16, 14), time
time = Chronic.parse("next second", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 16, 14, 0, 1), time
time = Chronic.parse("last second", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 16, 13, 59, 59), time
end
def test_parse_guess_grr
time = Chronic.parse("yesterday at 4:00", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 15, 16), time
time = Chronic.parse("yesterday at 4:00", :now => @time_2006_08_16_14_00_00, :ambiguous_time_range => :none)
assert_equal Time.local(2006, 8, 15, 4), time
time = Chronic.parse("last friday at 4:00", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 11, 16), time
time = Chronic.parse("next wed 4:00", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 23, 16), time
time = Chronic.parse("yesterday afternoon", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 15, 15), time
time = Chronic.parse("last week tuesday", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 8, 12), time
end
def test_parse_guess_grrr
time = Chronic.parse("today at 6:00pm", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 16, 18), time
time = Chronic.parse("this day 1800", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 16, 18), time
time = Chronic.parse("yesterday at 4:00pm", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 15, 16), time
end
def test_parse_guess_rgr
time = Chronic.parse("afternoon yesterday", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 15, 15), time
time = Chronic.parse("tuesday last week", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 8, 12), time
end
def test_parse_guess_s_r_p
# past
time = Chronic.parse("3 years ago", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2003, 8, 16, 14, 30, 30), time
time = Chronic.parse("1 month ago", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 7, 16, 14, 30, 30), time
time = Chronic.parse("1 fortnight ago", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 2, 14, 30, 30), time
time = Chronic.parse("2 fortnights ago", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 7, 19, 14, 30, 30), time
time = Chronic.parse("3 weeks ago", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 7, 26, 14, 30, 30), time
time = Chronic.parse("3 days ago", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 13, 14, 0, 30), time
#time = Chronic.parse("1 monday ago", :now => @time_2006_08_16_14_00_00)
#assert_equal Time.local(2006, 8, 14, 12), time
time = Chronic.parse("5 mornings ago", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 12, 9), time
time = Chronic.parse("7 hours ago", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 16, 7, 0, 30), time
time = Chronic.parse("3 minutes ago", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 16, 13, 57), time
time = Chronic.parse("20 seconds before now", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 16, 13, 59, 40), time
# future
time = Chronic.parse("3 years from now", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2009, 8, 16, 14, 30, 30), time
time = Chronic.parse("6 months hence", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2007, 2, 16, 14, 30, 30), time
time = Chronic.parse("3 fortnights hence", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 9, 27, 14, 30, 30), time
time = Chronic.parse("1 week from now", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 23, 14, 30, 30), time
time = Chronic.parse("1 day hence", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 17, 14, 0, 30), time
time = Chronic.parse("5 mornings hence", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 21, 9), time
time = Chronic.parse("1 hour from now", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 16, 15, 0, 30), time
time = Chronic.parse("20 minutes hence", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 16, 14, 20), time
time = Chronic.parse("20 seconds from now", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 16, 14, 0, 20), time
end
def test_parse_guess_p_s_r
time = Chronic.parse("in 3 hours", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 16, 17, 0, 30), time
end
def test_parse_guess_s_r_p_a
# past
time = Chronic.parse("3 years ago tomorrow", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2003, 8, 17, 12), time
time = Chronic.parse("3 years ago this friday", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2003, 8, 18, 12), time
time = Chronic.parse("3 months ago saturday at 5:00 pm", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 5, 19, 17), time
time = Chronic.parse("2 days from this second", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 18, 14), time
time = Chronic.parse("7 hours before tomorrow at midnight", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 17, 17), time
# future
end
def test_parse_guess_o_r_s_r
time = Chronic.parse("3rd wednesday in november", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 11, 15, 12), time
time = Chronic.parse("10th wednesday in november", :now => @time_2006_08_16_14_00_00)
assert_equal nil, time
end
def test_parse_guess_o_r_g_r
time = Chronic.parse("3rd month next year", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2007, 3, 16, 12, 30), time
time = Chronic.parse("3rd thursday this september", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 9, 21, 12), time
time = Chronic.parse("4th day last week", :now => @time_2006_08_16_14_00_00)
assert_equal Time.local(2006, 8, 9, 12), time
end
def test_parse_guess_nonsense
time = Chronic.parse("some stupid nonsense", :now => @time_2006_08_16_14_00_00)
assert_equal nil, time
end
def test_parse_span
span = Chronic.parse("friday", :now => @time_2006_08_16_14_00_00, :guess => false)
assert_equal Time.local(2006, 8, 18), span.begin
assert_equal Time.local(2006, 8, 19), span.end
span = Chronic.parse("november", :now => @time_2006_08_16_14_00_00, :guess => false)
assert_equal Time.local(2006, 11), span.begin
assert_equal Time.local(2006, 12), span.end
end
def test_argument_validation
assert_raise(Chronic::InvalidArgumentException) do
time = Chronic.parse("may 27", :foo => :bar)
end
assert_raise(Chronic::InvalidArgumentException) do
time = Chronic.parse("may 27", :context => :bar)
end
end
end