Class: SpecificHelp::Command

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

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file, argv = []) ⇒ Command

Returns a new instance of Command.



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# File 'lib/specific_help.rb', line 14

def initialize(file,argv=[])
  @source_file = file
  @help_cont = YAML.load(File.read(file))
  @help_cont[:head].each{|line| print line.chomp+"\n" } if @help_cont[:head] != nil
  @help_cont[:license].each{|line| print "#{line.chomp}\n" } if @help_cont[:license] != nil
  @argv = argv
end

Class Method Details

.run(file, argv = []) ⇒ Object 



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# File 'lib/specific_help.rb', line 10

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

Instance Method Details

#add(item = 'new_item') ⇒ Object 



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# File 'lib/specific_help.rb', line 98

def add(item='new_item')
  print "Trying to add #{item}\n"
  new_item={:opts=>{:short=>'-'+item[0], :long=>'--'+item, :desc=>item},
      :title=>item, :cont=> [item]}
  @help_cont[item.to_sym]=new_item
  File.open(@source_file,'w'){|file| file.print YAML.dump(@help_cont)}
end

#all_help ⇒ Object 



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# File 'lib/specific_help.rb', line 127

def all_help
  @help_cont.each_pair{|key,val|
    if key==:head or key==:license
      disp(val)
    else
      disp_help(key)
    end
  }
end

#backup_list(val) ⇒ Object 



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# File 'lib/specific_help.rb', line 56

def backup_list(val)
  val = val || 10
  print "\n ...showing last #{val} stored items in backup.\n"
  backup=mk_backup_file(@source_file)
  File.open(backup,'r'){|file|
    backup_cont = YAML.load(File.read(backup))
    backup_size = backup_cont.size
    backup_size = backup_size>val.to_i ? val.to_i : backup_size
    backup_keys = backup_cont.keys
    backup_keys.reverse.each_with_index{|item,i|
      break if i>=backup_size
      line = item.to_s.split('_')
      printf("%10s : %8s%8s\n",line[0],line[1],line[2])
    }
  }
end

#disp(lines) ⇒ Object 



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# File 'lib/specific_help.rb', line 155

def disp(lines)
  lines.each{|line| puts "  *#{line}"} if lines != nil
end

#disp_help(key_word) ⇒ Object 



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# File 'lib/specific_help.rb', line 147

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

#edit_help ⇒ Object 



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# File 'lib/specific_help.rb', line 113

def edit_help
  system("emacs #{@source_file}")
end

#execute ⇒ Object 



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# File 'lib/specific_help.rb', line 22

def execute
  if @argv.size==0
    if @source_file.include?('todo')
      @argv << '--all'
    else
      @argv << '--help'
    end
  end
  command_parser = OptionParser.new do |opt|
    opt.on('-v', '--version','show program Version.') { |v|
      opt.version = MyHelp::VERSION
      puts opt.ver
    }
    @help_cont.each_pair{|key,val|
      next if key==:head or key==:license
      opts = val[:opts]
      opt.on(opts[:short],opts[:long],opts[:desc]) {disp_help(key)}
    }
    opt.on('--edit','edit help contents'){edit_help}
    opt.on('--to_hiki','convert to hikidoc format'){to_hiki}
    opt.on('--all','display all helps'){all_help}
    opt.on('--store [item]','store [item] in backfile'){|item| store(item)}
    opt.on('--remove [item]','remove [item] and store in backfile'){|item| remove(item) }
    opt.on('--add [item]','add new [item]'){|item| add(item) }
    opt.on('--backup_list [val]','show last [val] backup list'){|val| backup_list(val)}
  end
  begin
    command_parser.parse!(@argv)
  rescue=> eval
    p eval
  end
  exit
end

#hiki_disp(lines) ⇒ Object 



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# File 'lib/specific_help.rb', line 143

def hiki_disp(lines)
  lines.each{|line| puts "*#{line}"}  if lines != nil
end

#hiki_help(key_word) ⇒ Object 



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# File 'lib/specific_help.rb', line 137

def hiki_help(key_word)
  items =@help_cont[key_word]
  puts "\n!!"+items[:title]+"\n"
  hiki_disp(items[:cont])
end

#mk_backup_file(file) ⇒ Object 



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# File 'lib/specific_help.rb', line 73

def mk_backup_file(file)
  path = File.dirname(file)
  base = File.basename(file)
  backup= File.join(path,"."+base)
  FileUtils.touch(backup) unless File.exists?(backup)
  return backup
end

#print_separater ⇒ Object 



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# File 'lib/specific_help.rb', line 159

def print_separater
  print "---\n"
end

#remove(item) ⇒ Object 



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# File 'lib/specific_help.rb', line 106

def remove(item)
  print "Trying to remove #{item}\n"
  store(item)
  @help_cont.delete(item.to_sym)
  File.open(@source_file,'w'){|file| file.print YAML.dump(@help_cont)}
end

#store(item) ⇒ Object 



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# File 'lib/specific_help.rb', line 81

def store(item)
  print "Trying to store #{item}\n"
  backup=mk_backup_file(@source_file)
  unless store_item = @help_cont[item.to_sym] then
    print "No #{item} in this help.  The items are following...\n"
    keys = @help_cont.keys
    keys.each{|key|
      p key
    }
    exit
  end
  p store_name = item+"_"+Time.now.strftime("%Y%m%d_%H%M%S")
  backup_cont=YAML.load(File.read(backup)) || {}
  backup_cont[store_name.to_sym]=store_item
  File.open(backup,'w'){|file| file.print(YAML.dump(backup_cont))}
end

#to_hiki ⇒ Object 



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# File 'lib/specific_help.rb', line 117

def to_hiki
  @help_cont.each_pair{|key,val|
    if key==:head or key==:license
      hiki_disp(val)
    else
      hiki_help(key)
    end
  }
end