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Size: 1.1 KB
Versions: 21
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Stored size: 1.1 KB
Contents
module Chronic
class Ordinal < Tag
# Scan an Array of Token objects and apply any necessary Ordinal
# tags to each token.
#
# tokens - An Array of tokens to scan.
# options - The Hash of options specified in Chronic::parse.
#
# Returns an Array of tokens.
def self.scan(tokens, options)
tokens.each do |token|
if t = scan_for_ordinals(token) then token.tag(t) end
if t = scan_for_days(token) then token.tag(t) end
end
end
# token - The Token object we want to scan.
#
# Returns a new Ordinal object.
def self.scan_for_ordinals(token)
Ordinal.new($1.to_i) if token.word =~ /^(\d*)(st|nd|rd|th)$/
end
# token - The Token object we want to scan.
#
# Returns a new Ordinal object.
def self.scan_for_days(token)
if token.word =~ /^(\d*)(st|nd|rd|th)$/
unless $1.to_i > 31 || $1.to_i < 1
OrdinalDay.new(token.word.to_i)
end
end
end
def to_s
'ordinal'
end
end
class OrdinalDay < Ordinal #:nodoc:
def to_s
super << '-day-' << @type.to_s
end
end
end
Version data entries
21 entries across 21 versions & 4 rubygems