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Contents
# frozen_string_literal: true
module Vedeu
module Colours
# The class represents one half (the other, can be found at
# {Vedeu::Colours::Background}) of a terminal colour escape
# sequence.
#
# @api private
#
class Foreground < Vedeu::Colours::Translator
# @return [Boolean]
def foreground?
present?(to_s)
end
# @return [String]
def to_ast
return '' unless foreground?
return ':fg' unless rgb?
":fg_#{colour.to_s.slice(1..-1)}"
end
# @return [Hash<Symbol => String>]
def to_h
{
foreground: colour.to_s,
}
end
alias to_hash to_h
# @param _options [Hash] Ignored.
# @return [String]
def to_html(_options = {})
return '' unless rgb?
"color:#{colour};"
end
private
# @return [String]
def prefix
"\e[38;"
end
# Returns an escape sequence for a named colour.
#
# @note
# Valid names can be found at
# {Vedeu::EscapeSequences::Esc#valid_codes}
#
# @return [String]
def named
Vedeu.esc.foreground_colour(colour)
end
# @return [Vedeu::Colours::Foregrounds]
def repository
Vedeu.foreground_colours
end
end # Foreground
end # Colours
end # Vedeu
Version data entries
12 entries across 12 versions & 1 rubygems