Contents

module ShellTastic

  module Utils
    # @param  [String] str the string the needs to be checked
    # @return [Boolean] 
    def string_nil_or_blank? str
      str !~ /[^[:space:]]/ || str.nil? || str.empty?
    end

    # @note the `!` it will raise an exception instead of returning a boolean
    # @param  [String] str the string the needs to be checked
    # @return [ShellTastic::CommandException] 
    def string_nil_or_blank! str
      # raise if command is empty or nil
      if str !~ /[^[:space:]]/ || str.nil? || str.empty?
        raise ShellTastic::CommandException.new("Command is emtpy or nil")
      end
    end

    # like the other methods but allow to set an exception flag 
    # @param  [String] str the string the needs to be checked
    # @param  [Boolean] to raise an exception or not. DEFAULT is false
    # @return [Boolean] 
    # @return [ShellTastic::CommandException] 
    def empty_nil_blank?(str, raize=false)
      result = (str !~ /[^[:space:]]/ || str.nil? || str.empty?)
      raise ShellTastic::CommandException.new("Command is emtpy or nil") if result and raize
      result
    end

  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
shelltastic-1.0.0	lib/shelltastic/utils.rb
shelltastic-0.5.0	lib/shelltastic/utils.rb
shelltastic-0.4.0	lib/shelltastic/utils.rb