Module: Posto::Help

Defined in:
lib/posto/help.rb

Class Method Summary collapse

Class Method Details

.format(hash) ⇒ Object 



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# File 'lib/posto/help.rb', line 22

def format(hash)
  hash.delete(:title)
  hash.map { |title, commands| format_list(commands, title) }.join("\n")
end

.format_alias(command_alias, alias_for) ⇒ Object 



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# File 'lib/posto/help.rb', line 45

def format_alias(command_alias, alias_for)
  "#{format_command command_alias}alias for '#{alias_for}'"
end

.format_command(command_alias) ⇒ Object 



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# File 'lib/posto/help.rb', line 49

def format_command(command_alias)
  ' ' * 3 + command_alias.ljust(18)
end

.format_command_definition(command, definition) ⇒ Object 



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# File 'lib/posto/help.rb', line 37

def format_command_definition(command, definition)
  aliases = command.split(', ')
  command = aliases.first
  aliases = aliases[1..-1]
  (["#{format_command command}#{definition}"] +
      aliases.map { |command_alias| format_alias(command_alias, command) }).join("\n")
end

.format_commands(commands) ⇒ Object 



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# File 'lib/posto/help.rb', line 31

def format_commands(commands)
  commands.map do |command, definition|
    format_command_definition(command, definition)
  end.join("\n")
end

.format_list(commands, title) ⇒ Object 



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# File 'lib/posto/help.rb', line 27

def format_list(commands, title)
  "\n#{title}:\n#{format_commands(commands)}"
end

.help_text ⇒ Object 



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# File 'lib/posto/help.rb', line 4

def help_text
  format(parse(read))
end

.parse(md_file) ⇒ Object 



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# File 'lib/posto/help.rb', line 13

def parse(md_file)
  md_file.map { |x| x.split(": ") }.inject({}) do |memo, o|
    memo[:title] = o.first if o.size == 1
    memo[memo[:title]] ||= {}
    memo[memo[:title]][o.first]= o.last if o.size == 2
    memo
  end
end

.read ⇒ Object 



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# File 'lib/posto/help.rb', line 8

def read
  lines = ::File.read("#{::File.dirname(__FILE__)}/help.md").lines
  lines.map { |line| line.chomp }.reject(&:empty?).map { |line| line.gsub /(### |`)/, "" }
end