Class: Object

Inherits:
BasicObject
Defined in:
lib/rubabel/pm.rb

Constant Summary collapse

ANSI_BOLD = 
"\033[1m"
ANSI_RESET = 
"\033[0m"
ANSI_LGRAY = 
"\033[0;37m"
ANSI_GRAY = 
"\033[1;30m"

Instance Method Summary collapse

Instance Method Details

#pm(*options) ⇒ Object

Print object’s methods



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# File 'lib/rubabel/pm.rb', line 9

def pm(*options)
  methods = self.methods
  methods -= Object.methods unless options.include? :more
  filter = options.select {|opt| opt.kind_of? Regexp}.first
  methods = methods.select {|name| name =~ filter} if filter

  data = methods.sort.collect do |name|
    method = self.method(name)
    if method.arity == 0
      args = "()"
    elsif method.arity > 0
      n = method.arity
      args = "(#{(1..n).collect {|i| "arg#{i}"}.join(", ")})"
    elsif method.arity < 0
      n = -method.arity
      args = "(#{(1..n).collect {|i| "arg#{i}"}.join(", ")}, ...)"
    end
    klass = $1 if method.inspect =~ /Method: (.*?)#/
    [name, args, klass]
  end
  max_name = data.collect {|item| item[0].size}.max
  max_args = data.collect {|item| item[1].size}.max
  data.each do |item| 
    print " #{ANSI_BOLD}#{item[0].rjust(max_name)}#{ANSI_RESET}"
    print "#{ANSI_GRAY}#{item[1].ljust(max_args)}#{ANSI_RESET}"
    print "   #{ANSI_LGRAY}#{item[2]}#{ANSI_RESET}\n"
  end
  data.size
end