Created
March 3, 2010 01:13
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#!/usr/bin/ruby | |
require 'rubygems' | |
require 'pp' | |
require 'irb/completion' | |
require 'irb/ext/save-history' | |
ARGV.concat [ "--readline", "--prompt-mode", "simple" ] | |
IRB.conf[:SAVE_HISTORY] = 100 | |
IRB.conf[:HISTORY_FILE] = "#{ENV['HOME']}/.irb-save-history" | |
IRB.conf[:AUTO_INDENT] = true | |
load File.dirname(__FILE__) + '/.railsrc' if $0 == 'irb' && ENV['RAILS_ENV'] | |
# Method to pretty-print object methods | |
# Coded by sebastian delmont | |
# http://snippets.dzone.com/posts/show/2916 | |
class Object | |
ANSI_BOLD = "\033[1m" | |
ANSI_RESET = "\033[0m" | |
ANSI_LGRAY = "\033[0;37m" | |
ANSI_GRAY = "\033[1;30m" | |
# Print object's methods | |
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 | |
end |
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