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Contents
# frozen_string_literal: true
module Doing
##
## String truncation
##
module StringTruncate
##
## Truncate to nearest word
##
## @param len The length
##
def trunc(len, ellipsis: '...')
return self if length <= len
total = 0
res = []
split(/ /).each do |word|
break if total + 1 + word.length > len
total += 1 + word.length
res.push(word)
end
res.join(' ') + ellipsis
end
def trunc!(len, ellipsis: '...')
replace trunc(len, ellipsis: ellipsis)
end
##
## Truncate from middle to end at nearest word
##
## @param len The length
##
def truncend(len, ellipsis: '...')
return self if length <= len
total = 0
res = []
split(/ /).reverse.each do |word|
break if total + 1 + word.length > len
total += 1 + word.length
res.unshift(word)
end
ellipsis + res.join(' ')
end
def truncend!(len, ellipsis: '...')
replace truncend(len, ellipsis: ellipsis)
end
##
## Truncate string in the middle, separating at nearest word
##
## @param len The length
## @param ellipsis The ellipsis
##
def truncmiddle(len, ellipsis: '...')
return self if length <= len
len -= (ellipsis.length / 2).to_i
half = (len / 2).to_i
start = trunc(half, ellipsis: ellipsis)
finish = truncend(half, ellipsis: '')
start + finish
end
def truncmiddle!(len, ellipsis: '...')
replace truncmiddle(len, ellipsis: ellipsis)
end
end
end
Version data entries
41 entries across 41 versions & 1 rubygems