Sha256: d07161d476a73755e12558588fda60462907d9a348ca16df5703b4025b848f89
Contents?: true
Size: 1.53 KB
Versions: 16
Compression:
Stored size: 1.53 KB
Contents
#!/usr/bin/env ruby
# -*- encoding: utf-8 -*-
# Copyright Steffi Dorn <mail@muflax.com>, 2017
# License: GNU GPLv3 (or later) <http://www.gnu.org/copyleft/gpl.html>
class Table
def initialize separator: "\t", alignment: :left
@rows = []
@lengths = []
@separator = separator
@just = case alignment
when :left ; :ljust
when :right ; :rjust
when :center ; :center
else
raise "invalid alignment: #{alignment}"
end
end
def [](row) ; @rows[row] ; end
def []=(row, x) ; @rows[row] = x ; end
def <<(row)
row.each.with_index do |x, i|
l = @lengths[i] || 0
s = x.str_length
@lengths[i] = s if s > l
end
@rows << row
end
def render out
@rows.each.with_index do |row, row_i|
row.each.with_index do |elem, elem_i|
len = @lengths[elem_i]
next if len.nil?
# align element based on how much it's internally longer than it appears
aligned = if not elem.nil?
elem_diff = elem.to_s.length - elem.str_length
elem.send(@just, len + elem_diff)
else
" "*len
end
if elem_i == (row.size - 1)
out.write(aligned.rstrip)
else
out.write(aligned)
out.write(@separator)
end
end
out.write("\n") unless row_i == (@rows.size - 1)
end
end
def to_s
render(StringIO.new).string
end
end
Version data entries
16 entries across 16 versions & 1 rubygems