Module: TTY::Option::Parser::ParamTypes

Included in:
Arguments, Environments, Keywords, Options
Defined in:
lib/tty/option/parser/param_types.rb

Constant Summary collapse

ARGUMENT_PARAMETER =

Positional argument pattern

/^[^-][^=]*\z/.freeze
ENV_VAR_PARAMETER =

Environment variable pattern

/^[\p{Lu}_\-\d]+=/.freeze
KEYWORD_PARAMETER =

Keyword pattern

/^([^-=][\p{Ll}_\-\d]*)=([^=]+)/.freeze
OPTION_PARAMETER =

Option and flag pattern

/^-./.freeze

Instance Method Summary collapse

Instance Method Details

#argument?(value) ⇒ Boolean

Check if value looks like an argument

Parameters:

  • value (String)

Returns:

  • (Boolean) 


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# File 'lib/tty/option/parser/param_types.rb', line 26

def argument?(value)
  !value.match(ARGUMENT_PARAMETER).nil?
end

#env_var?(value) ⇒ Boolean

Check if value is an environment variable

Parameters:

  • value (String)

Returns:

  • (Boolean) 


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# File 'lib/tty/option/parser/param_types.rb', line 37

def env_var?(value)
  !value.match(ENV_VAR_PARAMETER).nil?
end

#keyword?(value) ⇒ Boolean

Check to see if value is a keyword

Returns:

  • (Boolean) 


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# File 'lib/tty/option/parser/param_types.rb', line 46

def keyword?(value)
  !value.to_s.match(KEYWORD_PARAMETER).nil?
end

#option?(value) ⇒ Boolean

Check if value looks like an option

Parameters:

  • value (String)

Returns:

  • (Boolean) 


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# File 'lib/tty/option/parser/param_types.rb', line 57

def option?(value)
  !value.match(OPTION_PARAMETER).nil?
end