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Versions: 23
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Stored size: 1.46 KB
Contents
module Vedeu
class Wordwrap
def self.this(value, options = {})
new(value, options).reformat
end
def initialize(value, options = {})
@value = value
@options = options || {}
end
def reformat
return pruned if prune?
wordwrapped
end
def wordwrapped
processed = []
value.split(/\n/).map do |unprocessed|
line_length = 0
reformatted = []
unprocessed.split(/\s/).map do |word|
word_length = word.length + 1
if (line_length += word_length) >= maximum_width
line_length = word_length
processed << reformatted
reformatted = []
end
reformatted << word
end
processed << reformatted
end
output(processed)
end
private
attr_reader :value, :options
def output(paragraph)
paragraph.reduce([]) do |output, line|
output << line.join(' ')
end.join("\n")
end
def pruned
if value.size <= pruned_width
value
else
[
value.chomp.slice(0..pruned_width),
'...'
].join
end
end
def pruned_width
maximum_width - 3
end
def prune?
options.fetch(:prune)
end
def maximum_width
options.fetch(:width)
end
def options
defaults.merge!(@options)
end
def defaults
{
width: 70,
prune: false
}
end
end
end
Version data entries
23 entries across 23 versions & 1 rubygems