report.rb

#!/usr/bin/ruby

require 'rubygems'
require 'ruport'

table = Table(%w[Name Title Pets Spouse Children])
table << { 	"Name" => "John",
		"Title" => "Accountant",
		"Pets" => %w[Rufus Cheshire],
		"Spouse" => "Suzy",
		"Children" => "John\ Jr."
	}

table << { 	"Name" => "George",
		"Title" => "Watchman",
		"Pets" => "Squirtle",
		"Spouse" => "Joan",
		"Children" => %w[Georgette Georgina]
	}

table << { 	"Name" => "Paulette",
		"Title" => "Director",
		"Pets" => %w[Feathers Claw IronLion],
		"Spouse" => "David",
		"Children" => %w[Jules Vern Nemo Nautilus]
	}

puts table.to_text

text.rb.patch

--- text.rb	2010-04-20 16:19:38.949335528 -0400
+++ text.rb.new	2010-04-20 16:24:48.919335633 -0400
@@ -110,16 +110,49 @@
     def build_row(data = self.data)
       max_col_widths_for_row(data) unless options.max_col_width
 
-      data.enum_for(:each_with_index).inject(line=[]) { |s,e|
-        field,index = e
-        if options.alignment.eql? :center
-          line << field.to_s.center(options.max_col_width[index])
-        else
-          align = field.is_a?(Numeric) ? :rjust : :ljust
-          line << field.to_s.send(align, options.max_col_width[index])
+      # first find any fields in row that contain an array
+      idx = 0
+      max_len = 0
+      array_fields = Array.new  # contains indices for field that contain an array
+      data.each do |datum|
+        if datum.class == Array.new.class
+          array_fields.push(idx)
+          max_len = datum.length if datum.length > max_len
         end
-      }
-      output << fit_to_width("| #{line.join(' | ')} |\n")
+        idx += 1
+      end
+
+      # check if data has any cells that contain arrays
+      if array_fields.length != 0
+        0.upto(max_len-1) do |cnt|
+          data.enum_for(:each_with_index).inject(line=[]) { |s,e|
+            field,index = e
+            if array_fields.include?(index) then
+              # if an array cell, shift next item from array
+              line << field.shift.to_s.send(:ljust, options.max_col_width[index])
+            elsif !array_fields.include?(index) && cnt == 0
+              # if first line of a row and not an array cell, output normally
+              line << field.to_s.send(:ljust, options.max_col_width[index])
+            else
+              # if not the first line of a row, and is not an array cell,
+              # print a blank in the cell
+              line << "".send(:ljust, options.max_col_width[index])
+            end
+          }
+          output << fit_to_width("| #{line.join(' | ')} |\n")
+        end
+      else
+        data.enum_for(:each_with_index).inject(line=[]) { |s,e|
+          field,index = e
+          if options.alignment.eql? :center
+            line << field.to_s.center(options.max_col_width[index])
+          else
+            align = field.is_a?(Numeric) ? :rjust : :ljust
+            line << field.to_s.send(align, options.max_col_width[index])
+          end
+        }
+        output << fit_to_width("| #{line.join(' | ')} |\n")
+      end
     end
 
     # Renders the header for a group using the group name.