diff options
Diffstat (limited to 'lib/highline/builtin_styles.rb')
| -rw-r--r-- | lib/highline/builtin_styles.rb | 86 |
1 files changed, 45 insertions, 41 deletions
diff --git a/lib/highline/builtin_styles.rb b/lib/highline/builtin_styles.rb index c829f60..71c2429 100644 --- a/lib/highline/builtin_styles.rb +++ b/lib/highline/builtin_styles.rb @@ -1,4 +1,4 @@ -#coding: utf-8 +# coding: utf-8 class HighLine # Builtin Styles that are included at HighLine initialization. @@ -23,17 +23,19 @@ class HighLine blink: "\e[5m", reverse: "\e[7m", concealed: "\e[8m" - } + }.freeze STYLE_LIST.each do |style_name, code| - style = String(style_name).upcase + style = String(style_name).upcase - const_set style, code - const_set style + "_STYLE", Style.new(name: style_name, code: code, builtin: true) + const_set style, code + const_set style + "_STYLE", + Style.new(name: style_name, code: code, builtin: true) end # Basic Style names like CLEAR, BOLD, UNDERLINE - STYLES = %w{CLEAR RESET BOLD DARK UNDERLINE UNDERSCORE BLINK REVERSE CONCEALED} + STYLES = %w[CLEAR RESET BOLD DARK UNDERLINE + UNDERSCORE BLINK REVERSE CONCEALED].freeze # A Hash with the basic colors an their ANSI escape codes. COLOR_LIST = { @@ -48,33 +50,35 @@ class HighLine gray: { code: "\e[37m", rgb: [192, 192, 192] }, grey: { code: "\e[37m", rgb: [192, 192, 192] }, none: { code: "\e[38m", rgb: [0, 0, 0] } - } + }.freeze COLOR_LIST.each do |color_name, attributes| - color = String(color_name).upcase + color = String(color_name).upcase - style = Style.new( - name: color_name, - code: attributes[:code], - rgb: attributes[:rgb], - builtin: true - ) + style = Style.new( + name: color_name, + code: attributes[:code], + rgb: attributes[:rgb], + builtin: true + ) - const_set color + "_STYLE", style + const_set color + "_STYLE", style end # The builtin styles basic colors like black, red, green. - BASIC_COLORS = %w{BLACK RED GREEN YELLOW BLUE MAGENTA CYAN WHITE GRAY GREY NONE} + BASIC_COLORS = + %w[BLACK RED GREEN YELLOW BLUE + MAGENTA CYAN WHITE GRAY GREY NONE].freeze colors = BASIC_COLORS.dup BASIC_COLORS.each do |color| bright_color = "BRIGHT_#{color}" colors << bright_color - const_set bright_color + '_STYLE', const_get(color + '_STYLE').bright + const_set bright_color + "_STYLE", const_get(color + "_STYLE").bright light_color = "LIGHT_#{color}" colors << light_color - const_set light_color + '_STYLE', const_get(color + '_STYLE').light + const_set light_color + "_STYLE", const_get(color + "_STYLE").light end # The builtin styles' colors like LIGHT_RED and BRIGHT_BLUE. @@ -86,11 +90,10 @@ class HighLine const_set "ON_#{color}", const_get("ON_#{color}_STYLE").code end - ON_NONE_STYLE.rgb = [255,255,255] # Override; white background + ON_NONE_STYLE.rgb = [255, 255, 255] # Override; white background # BuiltinStyles class methods to be extended. module ClassMethods - # Regexp to match against RGB style constant names. RGB_COLOR_PATTERN = /^(ON_)?(RGB_)([A-F0-9]{6})(_STYLE)?$/ @@ -98,27 +101,28 @@ class HighLine # builtin constants (without explicitly defining them) # @param name [Symbol] missing constant name def const_missing(name) - if name.to_s =~ RGB_COLOR_PATTERN - on = $1 - suffix = $4 - - if suffix - code_name = $1.to_s + $2 + $3 - else - code_name = name.to_s - end - - style_name = code_name + '_STYLE' - style = Style.rgb($3) - style = style.on if on - - const_set(style_name, style) - const_set(code_name, style.code) - - suffix ? style : style.code - else - raise NameError, "Bad color or uninitialized constant #{name}" - end + raise NameError, "Bad color or uninitialized constant #{name}" unless + name.to_s =~ RGB_COLOR_PATTERN + + on = Regexp.last_match(1) + suffix = Regexp.last_match(4) + + code_name = if suffix + Regexp.last_match(1).to_s + + Regexp.last_match(2) + + Regexp.last_match(3) + else + name.to_s + end + + style_name = code_name + "_STYLE" + style = Style.rgb(Regexp.last_match(3)) + style = style.on if on + + const_set(style_name, style) + const_set(code_name, style.code) + + suffix ? style : style.code end end end |