module Lpry

build_method_object(method_str) click to toggle source

@param method_str [String] e.g. 'CSV.open', 'CSV#each' @return [Method, UnboundMethod]

# File lib/lpry.rb, line 19
def self.build_method_object(method_str)
  if method_str.include?(SINGLETON_SEPARATOR)
    c, m = method_str.split(SINGLETON_SEPARATOR)
    klass = Object.const_get(c)
    klass.method(m)
  elsif method_str.include?(INSTANCE_SEPARATOR)
    c, m = method_str.split(INSTANCE_SEPARATOR)
    klass = Object.const_get(c)
    klass.instance_method(m)
  else
    raise InvalidArgument
  end
end

print_source(method_obj, lines = 10) click to toggle source

@param method_obj [Method, UnboundMethod] @param lines [Integer] number of output lines @return [void]

# File lib/lpry.rb, line 36
def self.print_source(method_obj, lines = 10)
  puts "Lpry prints #{method_obj}"
  file_path, source_line = method_obj.source_location
  start_line = source_line - 1
  puts File.readlines(file_path)[start_line...start_line + lines]
end

show_source(method_str, lines = 10) click to toggle source

@param method_str [String] e.g. 'CSV.open', 'CSV#each' @param lines [Integer] number of output lines @return [Boolean]

# File lib/lpry.rb, line 11
def self.show_source(method_str, lines = 10)
  method_obj = build_method_object(method_str)
  print_source(method_obj, lines)
  true
end

Constants

Public Class Methods