109 lines
2.9 KiB
Ruby
109 lines
2.9 KiB
Ruby
class Pry
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module Helpers
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# The methods defined on {Text} are available to custom commands via {Pry::Command#text}.
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module Text
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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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class << self
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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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# 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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# Returns `text` in the default foreground colour.
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# Use this instead of "black" or "white" when you mean absence of colour.
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#
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# @param [String, #to_s] text
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# @return [String]
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def default(text)
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text.to_s
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end
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alias_method :bright_default, :bold
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# Executes the block with `Pry.color` set to false.
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# @yield
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# @return [void]
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def no_color(&block)
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boolean = Pry.config.color
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Pry.config.color = false
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yield
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ensure
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Pry.config.color = boolean
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end
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# Executes the block with `Pry.config.pager` set to false.
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# @yield
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# @return [void]
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def no_pager(&block)
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boolean = Pry.config.pager
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Pry.config.pager = false
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yield
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ensure
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Pry.config.pager = 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 [#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, color=:blue)
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lines = text.each_line.to_a
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max_width = (offset + lines.count).to_s.length
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lines.each_with_index.map do |line, index|
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adjusted_index = (index + offset).to_s.rjust(max_width)
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"#{self.send(color, adjusted_index)}: #{line}"
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end.join
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end
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# Returns _text_ indented by _chars_ spaces.
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#
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# @param [String] text
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# @param [Fixnum] chars
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def indent(text, chars)
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text.lines.map { |l| "#{' ' * chars}#{l}" }.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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end
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