Class: SoldierOfCode::McNamara

Inherits:
Object
  • Object
show all
Defined in:
lib/mcnamara.rb

Overview

MAC~nu~Mare-ah

Instance Method Summary collapse

Constructor Details

#initialize(app, css_dir) ⇒ McNamara

Returns a new instance of McNamara.



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# File 'lib/mcnamara.rb', line 39

def initialize(app, css_dir)
  @app = app
  @css_dir = css_dir
end

Instance Method Details

#build_possible_overrides(spy_vs_spy) ⇒ Object 



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# File 'lib/mcnamara.rb', line 44

def build_possible_overrides(spy_vs_spy)

  possible_overrides = []

  possible_overrides << "-#{spy_vs_spy.browser}-#{spy_vs_spy.version.major}-#{spy_vs_spy.version.minor}-#{spy_vs_spy.version.sub}.css" if spy_vs_spy.version.major && spy_vs_spy.version.minor && spy_vs_spy.version.sub

  possible_overrides << "-#{spy_vs_spy.browser}-#{spy_vs_spy.version.major}-#{spy_vs_spy.version.minor}.css" if spy_vs_spy.version.major && spy_vs_spy.version.minor

  # trickier conditionals
  possible_overrides << "-#{spy_vs_spy.browser}-#{spy_vs_spy.version.major}-to-#{spy_vs_spy.version.major.to_i-1}.css" if spy_vs_spy.version.major && (spy_vs_spy.version.major.to_i - 1 > 0)
  possible_overrides << "-#{spy_vs_spy.browser}-#{spy_vs_spy.version.major.to_i-1}-to-#{spy_vs_spy.version.major}.css" if spy_vs_spy.version.major && (spy_vs_spy.version.major.to_i - 1 > 0)

  possible_overrides << "-#{spy_vs_spy.browser}-#{spy_vs_spy.version.major}-to-#{spy_vs_spy.version.major.to_i-2}.css" if spy_vs_spy.version.major && (spy_vs_spy.version.major.to_i - 2 > 0)
  possible_overrides << "-#{spy_vs_spy.browser}-#{spy_vs_spy.version.major.to_i-2}-to-#{spy_vs_spy.version.major}.css" if spy_vs_spy.version.major && (spy_vs_spy.version.major.to_i - 2 > 0)

  # multi version coverage
  possible_overrides << "-#{spy_vs_spy.browser}-gte-#{spy_vs_spy.version.major}.css" if spy_vs_spy.version.major
  possible_overrides << "-#{spy_vs_spy.browser}-lte-#{spy_vs_spy.version.major}.css" if spy_vs_spy.version.major
  possible_overrides << "-#{spy_vs_spy.browser}-gt-#{spy_vs_spy.version.major}.css" if spy_vs_spy.version.major
  possible_overrides << "-#{spy_vs_spy.browser}-lt-#{spy_vs_spy.version.major}.css" if spy_vs_spy.version.major

  possible_overrides << "-#{spy_vs_spy.browser}-#{spy_vs_spy.version.major}.css" if spy_vs_spy.version.major

  possible_overrides << "-#{spy_vs_spy.browser}.css"

  return possible_overrides

end

#call(env) ⇒ Object 



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# File 'lib/mcnamara.rb', line 73

def call(env)

  begin
    # establish what browser we are dealing with
    # hey! is spy-vs-spy upstream?
    spy_vs_spy = env['soldierofcode.spy-vs-spy']
    unless spy_vs_spy
      http_user_agent = env['HTTP_USER_AGENT']
      env['soldierofcode.spy-vs-spy'] = SpyVsSpy.new(http_user_agent)
      spy_vs_spy = env['soldierofcode.spy-vs-spy']
    end

    # look for what css we are after
    request_path = env['REQUEST_PATH']
    if request_path =~ /\.css$/

      # need a base directory to scann...
      # TODO -- ripe for a cache
      possible_overrides = build_possible_overrides(spy_vs_spy)

      Dir["#{@css_dir}/**/*.css"].each do |css_file|
        possible_overrides.each do |override|
          request_path_sub = request_path[1..-1].downcase.sub(/\.css/, override)

          file_of_intrest = request_path_sub.split("/").last
#            puts "#{__FILE__}:#{__LINE__} #{__method__} #{file_of_intrest.downcase} |||| #{css_file.downcase[1..-1]}"

          if css_file[1..-1].downcase =~ Regexp.new("#{file_of_intrest.downcase}$")
#              puts "#{__FILE__}:#{__LINE__} #{__method__} I'm IN!!"
            # this is the file we want to serve
            css = 'Oh oo - I droped the bomb'
            File.open(css_file, "r") {|f| css = f.read}
            return [200, {"Content-Type"=>"text/css"}, css]
          end
        end
      end

    end
  rescue => e
    puts "#{__FILE__}:#{__LINE__} #{__method__} #{e} - #{e.backtrace}"
  end

  @app.call(env)      

end