Sha256: 0c0375630c918b1194986efd407f985d86411467bb1a8cdebb125cab89277ce5
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Versions: 15
Compression:
Stored size: 1.67 KB
Contents
module WordCountAnalyzer
class NumberedList
# Rubular: http://rubular.com/r/RKmRH9Y4oO
NUMBERED_LIST_REGEX = /(?<=\s)\d{1,2}\.(?=\s)|^\d{1,2}\.(?=\s)|(?<=\s)\d{1,2}\.\)|^\d{1,2}\.\)/
attr_reader :string
def initialize(string:)
@string = string
end
def includes_numbered_list?
!(string !~ NUMBERED_LIST_REGEX) && has_at_least_two_items?
end
def replace
new_string = string.dup
list_array = string.scan(NUMBERED_LIST_REGEX).map(&:to_i)
skips = 0
list_array.each_with_index do |a, i|
if (a + 1).eql?(list_array[i + 1]) ||
(a - 1).eql?(list_array[i - 1]) ||
(a.eql?(0) && list_array[i - 1].eql?(9)) ||
(a.eql?(9) && list_array[i + 1].eql?(0))
new_string.gsub!(NUMBERED_LIST_REGEX).with_index do |match, index|
if i.eql?(index + (i - skips)) && match.chomp('.').eql?(a.to_s)
''
else
match
end
end
else
skips +=1
end
end
new_string
end
def occurences
count_list_items_in_array
end
private
def has_at_least_two_items?
count_list_items_in_array >= 2
end
def count_list_items_in_array
list_array = string.scan(NUMBERED_LIST_REGEX).map(&:to_i)
counter = 0
list_array.each_with_index do |a, i|
next unless (a + 1).eql?(list_array[i + 1]) ||
(a - 1).eql?(list_array[i - 1]) ||
(a.eql?(0) && list_array[i - 1].eql?(9)) ||
(a.eql?(9) && list_array[i + 1].eql?(0))
counter += 1
end
counter
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems