Class: BitClust::Subcommand

Inherits:

Object

• Object
• BitClust::Subcommand

Defined in:

lib/bitclust/subcommand.rb

Overview

Base class for bitclust subcommands.

Direct Known Subclasses

BitClust::Subcommands::AncestorsCommand, BitClust::Subcommands::ChmCommand, BitClust::Subcommands::ClassesCommand, BitClust::Subcommands::EPUBCommand, BitClust::Subcommands::ExtractCommand, BitClust::Subcommands::HtmlfileCommand, BitClust::Subcommands::InitCommand, BitClust::Subcommands::ListCommand, BitClust::Subcommands::LookupCommand, BitClust::Subcommands::MethodsCommand, BitClust::Subcommands::PreprocCommand, BitClust::Subcommands::PropertyCommand, BitClust::Subcommands::QueryCommand, BitClust::Subcommands::ServerCommand, BitClust::Subcommands::SetupCommand, BitClust::Subcommands::StatichtmlCommand, BitClust::Subcommands::UpdateCommand

Instance Method Summary

• #align_progress_bar_title(title) ⇒ Object
• #error(message) ⇒ Object

  TODO refactor.

• #exec(argv, options) ⇒ Object
• #help ⇒ Object
• #initialize ⇒ Subcommand constructor

  A new instance of Subcommand.

• #option_error(message) ⇒ Object
• #parse(argv) ⇒ Object
• #srcdir_root ⇒ Object

Constructor Details

#initialize ⇒ Subcommand

Returns a new instance of Subcommand.

# File 'lib/bitclust/subcommand.rb', line 15

def initialize
  @parser = OptionParser.new
  @parser.on_tail("-h", "--help", "Print this message and quit."){
    $stderr.puts help
    exit 0
  }
end

Instance Method Details

#align_progress_bar_title(title) ⇒ Object

# File 'lib/bitclust/subcommand.rb', line 57

def align_progress_bar_title(title)
  size = title.size
  if size > 14
    title[0..13]
  else
    title + ' ' * (14 - size)
  end
end

#error(message) ⇒ Object

TODO refactor

# File 'lib/bitclust/subcommand.rb', line 42

def error(message)
  $stderr.puts "#{File.basename($0, '.*')}: error: #{message}"
  exit 1
end

#exec(argv, options) ⇒ Object

# File 'lib/bitclust/subcommand.rb', line 31

def exec(argv, options)
  prefix = options[:prefix]
  error("no database given. Use --database option") unless prefix
  if options[:capi]
    @db = BitClust::FunctionDatabase.new(prefix)
  else
    @db = BitClust::MethodDatabase.new(prefix)
  end
end

#help ⇒ Object

# File 'lib/bitclust/subcommand.rb', line 27

def help
  @parser.help
end

#option_error(message) ⇒ Object

# File 'lib/bitclust/subcommand.rb', line 47

def option_error(message)
  $stderr.puts message
  $stderr.puts help
  exit 1
end

#parse(argv) ⇒ Object

# File 'lib/bitclust/subcommand.rb', line 23

def parse(argv)
  @parser.parse! argv
end

#srcdir_root ⇒ Object

# File 'lib/bitclust/subcommand.rb', line 53

def srcdir_root
  Pathname.new(__FILE__).realpath.dirname.parent.parent
end