class Chronic::Sign

Public Class Methods

scan(tokens, options) click to toggle source

Scan an Array of Token objects and apply any necessary Sign 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.

# File lib/chronic/sign.rb, line 11
def self.scan(tokens, options)
  tokens.each do |token|
    if t = scan_for_plus(token) then token.tag(t); next end
    if t = scan_for_minus(token) then token.tag(t); next end
  end
end
scan_for_minus(token) click to toggle source

token - The Token object we want to scan.

Returns a new SignMinus object.

# File lib/chronic/sign.rb, line 28
def self.scan_for_minus(token)
  scan_for token, SignMinus, { /^-$/ => :minus }
end
scan_for_plus(token) click to toggle source

token - The Token object we want to scan.

Returns a new SignPlus object.

# File lib/chronic/sign.rb, line 21
def self.scan_for_plus(token)
  scan_for token, SignPlus, { /^\+$/ => :plus }
end

Public Instance Methods

to_s() click to toggle source
# File lib/chronic/sign.rb, line 32
def to_s
  'sign'
end