Class: Bitsa::ArgsProcessor

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

Overview

Arguments passed on the command line. Trollop trollop.rubyforge.org is used to handle the parsing.

Constant Summary collapse

SUB_COMMANDS =

Valid commands.

%w(update reload search)

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#cmd ⇒ Object (readonly)

The command to execute



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# File 'lib/bitsa/args_processor.rb', line 36

def cmd
  @cmd
end

#global_opts ⇒ Object (readonly)

Global options passed on the command line.



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# File 'lib/bitsa/args_processor.rb', line 33

def global_opts
  @global_opts
end

#search_data ⇒ Object (readonly)

Data to search cached contacts for.



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# File 'lib/bitsa/args_processor.rb', line 39

def search_data
  @search_data
end

Instance Method Details

#parse(args) ⇒ Object

Parse arguments and setup attributes. If invalid data is passed a Trollop exception is thrown and the program terminated.

It also handles showing the Help and Version information.



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# File 'lib/bitsa/args_processor.rb', line 45

def parse(args)
  @global_opts = Trollop::options(args) do
    version "bitsa v#{Bitsa::VERSION}"
    banner <<EOS
Usage: bitsa [global-options] [subcommand] [command-opts]

Global options are:
EOS
    opt :config_file, "Configuration file", :default => "~/.bitsa_config.yml"
    opt :login, "Login", :type => String
    opt :password, "Password", :type => String

    stop_on SUB_COMMANDS

    banner <<EOS

bitsa subcommands
   update: get the latest changes from Gmail
   reload: Clear all cached addresses and reload from Gmail
   search: Search for the passed string

Information about this program
EOS
  end

  @cmd = args.shift || ''
  @search_data = ''

  if cmd == "search"
    @search_data << args.shift unless args.empty?
  elsif !["search", "update", "reload"].include?(cmd)
    Trollop::die "unknown subcommand '#{cmd}'"
  end
end