color-schemer.rb

#!/usr/bin/env ruby

# Usage
#
# ./color-schemer.rb
# -> Pulls a random color scheme from colourlovers.com and outputs the values to sass/colors.scss
#    The colors are names $color0, $color1, $color2, $color3, $color4
#
# ./color-schemer.rb -s
# -> Shuffles the colors in the existing sass/colors.scss file
#
# In one of your own .scss files, @import "colors"; , and then the use the color names in your palette.

file_name = "sass/colors.scss"


$scramble = ARGV.delete('-s')

if not $scramble.nil?
   puts "Scrambling..."

   current = File.readlines("sass/colors.scss")
   new_lines = []
   current.shuffle!
   current.each_index do |i|
      line = current[i]
      new_lines << "$color#{i}: " + line[/(#\w+)/, 1] + ";"
   end

   IO.write(file_name, new_lines.join("\n"))
else
   require 'net/http'
   require 'rexml/document'

   url = 'http://www.colourlovers.com/api/palettes/random'

   # get the XML data as a string
   xml_data = Net::HTTP.get_response(URI.parse(url)).body
   xml_data.gsub!(/\t/,"")
   xml_data.gsub!(/\n/,"")

   # extract event information
   doc = REXML::Document.new(xml_data)
   colors = []
   doc.elements.each('palettes/palette/colors/hex') do |ele|
      colors << ele.text
   end

   output = <<HERE
$color0: ##{colors[0 % colors.length]};
$color1: ##{colors[1 % colors.length]};
$color2: ##{colors[2 % colors.length]};
$color3: ##{colors[3 % colors.length]};
$color4: ##{colors[4 % colors.length]};
HERE

   IO.write(file_name, output)

   doc.elements.each('palettes/palette/url') do |ele|
      puts ele.text
   end
end