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81 lines
2 KiB
Ruby
81 lines
2 KiB
Ruby
class Pry
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module Helpers
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# The methods defined on {Text} are available to custom commands.
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# See {Pry::CommandContext#text}, which returns an object that responds to all methods defined here.
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module Text
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extend self
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COLORS =
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{
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"black" => 0,
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"red" => 1,
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"green" => 2,
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"yellow" => 3,
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"blue" => 4,
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"purple" => 5,
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"magenta" => 5,
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"cyan" => 6,
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"white" => 7
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}
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COLORS.each_pair do |color, value|
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define_method color do |text|
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Pry.color ? "\033[0;#{30+value}m#{text}\033[0m" : text.to_s
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end
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define_method "bright_#{color}" do |text|
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Pry.color ? "\033[1;#{30+value}m#{text}\033[0m" : text.to_s
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end
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end
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alias_method :grey, :bright_black
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alias_method :gray, :bright_black
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# Remove any color codes from _text_.
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#
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# @param [String, #to_s] text
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# @return [String] _text_ stripped of any color codes.
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def strip_color text
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text.to_s.gsub /\e\[.*?(\d)+m/, ''
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end
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# Returns _text_ as bold text for use on a terminal.
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# _Pry.color_ must be true for this method to perform any transformations.
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#
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# @param [String, #to_s] text
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# @return [String] _text_
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def bold text
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Pry.color ? "\e[1m#{text}\e[0m" : text.to_s
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end
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# Executes _block_ with _Pry.color_ set to false.
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#
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# @param [Proc]
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def no_color &block
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boolean = Pry.color
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Pry.color = false
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yield
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ensure
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Pry.color = boolean
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end
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# Returns _text_ in a numbered list, beginning at _offset_.
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#
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# @param [String, #each_line] text
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# @param [Fixnum] offset
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# @return [String]
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def with_line_numbers text, offset
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lines = text.each_line.to_a
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lines.each_with_index.map do |line, index|
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adjusted_index = index + offset
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"#{self.blue adjusted_index}: #{line}"
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end.join
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end
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end
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end
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end
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