class Phony::LocalSplitters::Regex

Local splitter class to split the last part of a number, i.e. minus cc or ndc.

Countries can create new instances according to their needs.

Note: Countries should use instance_for

to avoid getting new local splitter instances.

Attributes

fallback[R]
mapping[R]

Public Class Methods

instance_for(mapping) click to toggle source

Get a splitter for the given format.

Note: Not cached.

# File lib/phony/local_splitters/regex.rb, line 21
def self.instance_for mapping
  new mapping
end
new(mapping) click to toggle source

Initialize with a regex => format mapping.

# File lib/phony/local_splitters/regex.rb, line 27
def initialize mapping
  @fallback = mapping.delete(:fallback) || [12]
  @mapping  = mapping
end

Public Instance Methods

plausible?(rest, hints = {}) click to toggle source
# File lib/phony/local_splitters/regex.rb, line 45
def plausible? rest, hints = {}
  number = rest.inject('', :+)
  mapping.each do |regex, format|
    next unless number =~ regex
    return plausible_with? number, format
  end
  plausible_with? number, fallback
end
split(number) click to toggle source

Split a local number according to an assumed country specific format.

Examples

  • split ‘3643533’ # => [‘364’, ‘35’, ‘33’] # (Switzerland)

# File lib/phony/local_splitters/regex.rb, line 37
def split number
  mapping.each do |regex, format|
    next unless number =~ regex
    return split_with(number, format)
  end
  split_with number, fallback
end

Private Instance Methods

plausible_with?(number, format) click to toggle source
# File lib/phony/local_splitters/regex.rb, line 64
def plausible_with? number, format
  length = format.inject 0, :+
  number.length == length
end
split_with(number, format) click to toggle source
# File lib/phony/local_splitters/regex.rb, line 56
def split_with number, format
  format.inject([]) do |result, size|
    result << number.slice!(0..size-1)
    return result if number.empty?
    result
  end << number
end