78 lines
1.2 KiB
Ruby
78 lines
1.2 KiB
Ruby
class Brush
|
|
|
|
ALLOWED_ATTRIBUTES = [:fg, :bg, :bold, :underline, :inverse, :blink]
|
|
DEFAULT_FG_CODE = 7
|
|
DEFAULT_BG_CODE = 0
|
|
|
|
def initialize(attributes = {})
|
|
@attributes = attributes.symbolize_keys
|
|
end
|
|
|
|
def ==(other)
|
|
fg == other.fg &&
|
|
bg == other.bg &&
|
|
bold? == other.bold? &&
|
|
underline? == other.underline? &&
|
|
blink? == other.blink?
|
|
end
|
|
|
|
def fg
|
|
inverse? ? bg_code || DEFAULT_BG_CODE : fg_code
|
|
end
|
|
|
|
def bg
|
|
inverse? ? fg_code || DEFAULT_FG_CODE : bg_code
|
|
end
|
|
|
|
def bold?
|
|
!!attributes[:bold]
|
|
end
|
|
|
|
def underline?
|
|
!!attributes[:underline]
|
|
end
|
|
|
|
def inverse?
|
|
!!attributes[:inverse]
|
|
end
|
|
|
|
def blink?
|
|
!!attributes[:blink]
|
|
end
|
|
|
|
def default?
|
|
fg.nil? && bg.nil? && !bold? && !underline? && !inverse? && !blink?
|
|
end
|
|
|
|
def as_json(*)
|
|
attributes.slice(*ALLOWED_ATTRIBUTES)
|
|
end
|
|
|
|
protected
|
|
|
|
attr_reader :attributes
|
|
|
|
private
|
|
|
|
def fg_code
|
|
calculate_code(:fg, bold?)
|
|
end
|
|
|
|
def bg_code
|
|
calculate_code(:bg, blink?)
|
|
end
|
|
|
|
def calculate_code(attr_name, strong)
|
|
code = attributes[attr_name]
|
|
|
|
if code
|
|
if code < 8 && strong
|
|
code += 8
|
|
end
|
|
end
|
|
|
|
code
|
|
end
|
|
|
|
end
|