class Af::OptionParser::Columnizer
Public Instance Methods
columnized(rows, options = {})
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Converts an array of arrays into a single array of columnized strings.
Arguments
* rows - arrays to convert * options - hash of options, includes: :max_width => <integer max width of columns>
# File lib/fiksu-af/option_parser/columnizer.rb, line 23 def columnized(rows, options = {}) sized = {} rows.each do |row| row.each_index do |i| value = row[i] sized[i] = [sized[i].to_i, value.to_s.length].max sized[i] = [options[:max_width], sized[i].to_i].min if options[:max_width] end end return rows.map { |row| " " + columnized_row(row, sized).rstrip } end
columnized_row(fields, sized)
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Convert an array into a single string, where each item consumes a static number of characters. Long fields are truncated and small ones are padded.
Arguments
* fields - array of objects that respond to "to_s" * sized - character count for each field in the new string????
# File lib/fiksu-af/option_parser/columnizer.rb, line 9 def columnized_row(fields, sized) r = [] fields.each_with_index do |f, i| r << sprintf("%0-#{sized[i]}s", f.to_s.gsub(/\\n\\r/, '').slice(0, sized[i])) end return r.join(' ') end