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4aed2ab1c0
In Ruby 2.1, the ancestor list of a singleton class includes the singleton as the first element, so we need to filter it out.
55 lines
1.4 KiB
Ruby
55 lines
1.4 KiB
Ruby
# PP subclass for streaming inspect output in color.
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class Pry
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class ColorPrinter < ::PP
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OBJ_COLOR = begin
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code = CodeRay::Encoders::Terminal::TOKEN_COLORS[:keyword]
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if code.start_with? "\e"
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code
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else
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"\e[0m\e[0;#{code}m"
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end
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end
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def self.pp(obj, out = $>, width = 79)
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q = ColorPrinter.new(out, width)
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q.guard_inspect_key { q.pp obj }
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q.flush
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out << "\n"
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end
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def text(str, width = str.length)
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super(*if !Pry.color
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[str, width]
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# Don't recolorize output with color [Issue #751]
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elsif str.include?("\e[")
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["#{str}\e[0m", width]
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elsif str.start_with?('#<') || str == '=' || str == '>'
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[highlight_object_literal(str), width]
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else
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[CodeRay.scan(str, :ruby).term, width]
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end)
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end
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def pp(obj)
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super
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rescue => e
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raise if e.is_a? Pry::Pager::StopPaging
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# Read the class name off of the singleton class to provide a default
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# inspect.
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singleton = class << obj; self; end
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ancestors = Pry::Method.safe_send(singleton, :ancestors)
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klass = ancestors.reject { |k| k == singleton }.first
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obj_id = obj.__id__.to_s(16) rescue 0
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str = "#<#{klass}:0x#{obj_id}>"
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text(Pry.color ? highlight_object_literal(str) : str)
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end
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private
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def highlight_object_literal(object_literal)
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"#{OBJ_COLOR}#{object_literal}\e[0m"
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end
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end
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end
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