Module: CodeButler

Defined in:
lib/codebutler.rb

Constant Summary collapse

SUPPORTED_LANGUAGES = 
{
  '.rb'     => :ruby,
  '.c'      => :c,
  '.cc'     => :c,
  '.h'      => :c,
  '.html'   => :html,
  '.rhtml'  => :rhtml,    
}

Class Method Summary collapse

Class Method Details

.clean_argv ⇒ Object

Ignore all command line arguments except -p

Also clears ARGV to prevent sinatra from parsing



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# File 'lib/codebutler.rb', line 20

def self.clean_argv
  if ARGV.include? "-h"
    puts <<-HELP
    Supported Arguments:
      -h        Print help (You're looking at it)
      -p port   Start the webserver on the specified port
    HELP
    exit
  elsif ARGV.include?("-p") && ARGV[ARGV.index("-p") + 1] =~ /^[0-9]+$/
    port = ARGV[ARGV.index("-p") + 1]
    ARGV.clear
    ARGV.unshift ['-p', port.to_s]
  else
    ARGV.clear
  end        
end

.serve ⇒ Object

Scan the current working directory for files, and serve them on localhost



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# File 'lib/codebutler.rb', line 38

def self.serve
  clean_argv
  
  # Create a regex that matches all supported file endings
  regex = Regexp.new("(#{SUPPORTED_LANGUAGES.keys.map{|key| Regexp.escape(key)}.join('|')})$")
  
  working_dir = Dir.getwd
  file_list = []

  Find.find(working_dir) do |path|
    if match = path.match(regex)
      relative_path = path.slice( working_dir.length..-1 )
      
      file_list << relative_path
      
      # use Sinatra for easy hosting
      # We need to escape the path to catch names like "c++test.rb" and spaces
      get(Regexp.escape(URI.escape(relative_path))) do
        CodeRay.scan(File.readlines(path).join, SUPPORTED_LANGUAGES[match[1]]).div
      end
    end
  end
  
  # index:
  get('/') do
    file_list.sort.map { |file|
      %Q(<a href="#{file}">#{file}</a>)
    }.join("<br/>")      
  end
  
end