Contents

# encoding: UTF-8
require 'erb'

module Pizzazz
  class Colorer
    def initialize(object, options = nil)
      options ||= {}
      @object = object
      @indent = 0
      @limit = (options[:limit] or 0)
    end
  
    def ify
      return '' unless @object
      node(@object, @limit)
    end
  
  private
  
    def tab
      " " * @indent * Pizzazz::TAB_SIZE
    end
  
    def node(object, limit = 0)
      case object
      when String
        %Q{<span class="string">"#{::ERB::Util.h(object)}"</span>}
      when Time
        %Q{<span class="string">#{object.to_json}</span>}
      when TrueClass
        %Q{<span class="constant">true</span>}
      when FalseClass
        %Q{<span class="constant">false</span>}
      when NilClass
        %Q{<span class="null">null</span>}
      when Numeric
        %Q{<span class="number">#{object}</span>}
      when Hash
        s = "{\n"
        @indent += 1
        rows = []
        object.keys.collect(&:to_s).sort.each do |key|
          value = (object[key] != nil ? object[key] : object[key.to_sym])
          rows << %Q{#{tab}<span class="string">"#{key}"</span>: #{node(value)}}
        end
        s << rows.join(",\n") + "\n"
        @indent -= 1
        s << "#{tab}}"      
        s
      when Array
        if object.length == 0
          "[]"
        else
          s = "[\n"
          @indent += 1
          rows = []
          array = @limit > 0 ? object[0...limit] : object
          array.each do |value|
            rows << tab + node(value)
          end
  
          if limit > 0 and object.length > limit
            rows << tab + (object[0].is_a?(Hash) ? '{ … }' : '…')
          end
  
          s << rows.join(",\n") + "\n"
          @indent -= 1
          s << "#{tab}]"
          s
        end
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
pizzazz-0.1.3	lib/pizzazz/colorer.rb
pizzazz-0.1.2	lib/pizzazz/colorer.rb