Class: EmacsHelp::Command

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

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(argv = []) ⇒ Command

Returns a new instance of Command.



13
14
15
16
17
 
# File 'lib/emacs_help.rb', line 13

def initialize(argv=[])
  @help_cont = YAML.load(File.read('lib/daddygongon/emacs_help'))
  @help_cont[:head].each{|line| print line }
  @argv = argv
end

Class Method Details

.run(argv = []) ⇒ Object 



9
10
11
 
# File 'lib/emacs_help.rb', line 9

def self.run(argv=[])
  new(argv).execute
end

Instance Method Details

#disp(lines) ⇒ Object 



40
41
42
43
44
45
46
47
48
 
# File 'lib/emacs_help.rb', line 40

def disp(lines)
  lines.each{|line|
    if line.include?(',')
      puts "  #{line}"
    else
      puts "    #{line}"
    end
  }
end

#disp_from_help_cont(key_word) ⇒ Object 



50
51
52
53
54
 
# File 'lib/emacs_help.rb', line 50

def disp_from_help_cont(key_word)
  items =@help_cont[key_word]
  puts items[:title]
  disp(items[:cont])
end

#execute ⇒ Object 



19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
 
# File 'lib/emacs_help.rb', line 19

def execute
  @argv << '--help' if @argv.size==0
  command_parser = OptionParser.new do |opt|
    opt.on('-v', '--version','show program Version.') { |v|
      opt.version = EmacsHelp::VERSION
      puts opt.ver
    }
    @help_cont.each_pair{|key,val|
      next if key==:head
      opts = val[:opts]
      opt.on(opts[:short],opts[:long],opts[:desc]) {disp_from_help_cont(key)}
    }
  end
  begin
    command_parser.parse!(@argv)
  rescue=> eval
    p eval
  end
  exit
end