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# Provides a label for an object.
# This simple implementation calls #to_s on the given object, and handles articles 'a/an/the'.
#
module Puppet::Pops::LabelProvider
VOWELS = %w{a e i o u y}
SKIPPED_CHARACTERS = %w{" '}
A = "a"
AN = "an"
# Provides a label for the given object by calling `to_s` on the object.
# The intent is for this method to be overridden in concrete label providers.
def label o
o.to_s
end
# Produces a label for the given text with indefinite article (a/an)
def a_an o
text = label(o)
"#{article(text)} #{text}"
end
# Produces a label for the given text with indefinite article (A/An)
def a_an_uc o
text = label(o)
"#{article(text).capitalize} #{text}"
end
# Produces a label for the given text with *definite article* (the).
def the o
"the #{label(o)}"
end
# Produces a label for the given text with *definite article* (The).
def the_uc o
"The #{label(o)}"
end
# Appends 's' to (optional) text if count != 1 else an empty string
def plural_s(count, text = '')
count == 1 ? text : "#{text}s"
end
private
# Produces an *indefinite article* (a/an) for the given text ('a' if
# it starts with a vowel) This is obviously flawed in the general
# sense as may labels have punctuation at the start and this method
# does not translate punctuation to English words. Also, if a vowel is
# pronounced as a consonant, the article should not be "an".
#
def article s
article_for_letter(first_letter_of(s))
end
def first_letter_of(string)
char = string[0,1]
if SKIPPED_CHARACTERS.include? char
char = string[1,1]
end
if char == ""
raise Puppet::DevError, "<#{string}> does not appear to contain a word"
end
char
end
def article_for_letter(letter)
downcased = letter.downcase
if VOWELS.include? downcased
AN
else
A
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems