Module: HighLine::StringExtensions

### Home Classes Methods

### In Files

- lib/highline/string_extensions.rb

### Methods

- ::included
- #color
- #method_missing
- #on
- #on_rgb
- #rgb
- #uncolor

### Files

- INSTALL
- LICENSE
- README.rdoc
- TODO

### Class/Module Index

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No matching classes.

# HighLine::StringExtensions

### Public Class Methods

included(base) click to toggle source

    # File lib/highline/string_extensions.rb, line 32
    def self.included(base)
      HighLine::COLORS.each do |color|
        base.class_eval           if public_instance_methods.map { |m| m.to_s }.                                     include? "#{color.downcase}"            undef :#{color.downcase}          end          def #{color.downcase}            color(:#{color.downcase})          end
        base.class_eval           if public_instance_methods.map { |m| m.to_s }.                                     include? "on_#{color.downcase}"            undef :on_#{color.downcase}          end          def on_#{color.downcase}            on(:#{color.downcase})          end
        HighLine::STYLES.each do |style|
          base.class_eval             if public_instance_methods.map { |m| m.to_s }.                                       include? "#{style.downcase}"              undef :#{style.downcase}            end            def #{style.downcase}              color(:#{style.downcase})            end
        end
      end

      base.class_eval do
        if public_instance_methods.map { |m| m.to_s }.include? "color"
          undef :color
        end
        if public_instance_methods.map { |m| m.to_s }.include? "foreground"
          undef :foreground
        end
        def color(*args)
          self.class.new(HighLine.color(self, *args))
        end
        alias_method :foreground, :color

        if public_instance_methods.map { |m| m.to_s }.include? "on"
          undef :on
        end
        def on(arg)
          color(('on_' + arg.to_s).to_sym)
        end

        if public_instance_methods.map { |m| m.to_s }.include? "uncolor"
          undef :uncolor
        end
        def uncolor
          self.class.new(HighLine.uncolor(self))
        end

        if public_instance_methods.map { |m| m.to_s }.include? "rgb"
          undef :rgb
        end
        def rgb(*colors)
          color_code = colors.map{|color| color.is_a?(Numeric) ? '%02x'%color : color.to_s}.join
          raise "Bad RGB color #{colors.inspect}" unless color_code =~ /^[a-fA-F0-9]{6}/
          color("rgb_#{color_code}".to_sym)
        end

        if public_instance_methods.map { |m| m.to_s }.include? "on_rgb"
          undef :on_rgb
        end
        def on_rgb(*colors)
          color_code = colors.map{|color| color.is_a?(Numeric) ? '%02x'%color : color.to_s}.join
          raise "Bad RGB color #{colors.inspect}" unless color_code =~ /^[a-fA-F0-9]{6}/
          color("on_rgb_#{color_code}".to_sym)
        end

        if public_instance_methods.map { |m| m.to_s }.include? "method_missing"
          undef :method_missing
        end
        # TODO Chain existing method_missing
        def method_missing(method, *args, &blk)
          if method.to_s =~ /^(on_)?rgb_([0-9a-fA-F]{6})$/
            color(method)
          else
            raise NoMethodError, "undefined method `#{method}' for #<#{self.class}:#{'%#x'%self.object_id}>"
          end
        end
      end
    end

### Public Instance Methods

color(*args) click to toggle source

    # File lib/highline/string_extensions.rb, line 72
    def color(*args)
      self.class.new(HighLine.color(self, *args))
    end

method_missing(method, *args, &blk) click to toggle source

TODO Chain existing method_missing

    # File lib/highline/string_extensions.rb, line 113
    def method_missing(method, *args, &blk)
      if method.to_s =~ /^(on_)?rgb_([0-9a-fA-F]{6})$/
        color(method)
      else
        raise NoMethodError, "undefined method `#{method}' for #<#{self.class}:#{'%#x'%self.object_id}>"
      end
    end

on(arg) click to toggle source

    # File lib/highline/string_extensions.rb, line 80
    def on(arg)
      color(('on_' + arg.to_s).to_sym)
    end

on_rgb(*colors) click to toggle source

    # File lib/highline/string_extensions.rb, line 103
    def on_rgb(*colors)
      color_code = colors.map{|color| color.is_a?(Numeric) ? '%02x'%color : color.to_s}.join
      raise "Bad RGB color #{colors.inspect}" unless color_code =~ /^[a-fA-F0-9]{6}/
      color("on_rgb_#{color_code}".to_sym)
    end

rgb(*colors) click to toggle source

    # File lib/highline/string_extensions.rb, line 94
    def rgb(*colors)
      color_code = colors.map{|color| color.is_a?(Numeric) ? '%02x'%color : color.to_s}.join
      raise "Bad RGB color #{colors.inspect}" unless color_code =~ /^[a-fA-F0-9]{6}/
      color("rgb_#{color_code}".to_sym)
    end

uncolor() click to toggle source

    # File lib/highline/string_extensions.rb, line 87
    def uncolor
      self.class.new(HighLine.uncolor(self))
    end

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