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Versions: 11
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Stored size: 1.65 KB
Contents
require_relative "inline_labeler"
require_relative "outline_labeler"
module CutePrint
# @api private
class Labeler
def self.label(format, width, label, value)
new(format, width, label, value).labeled
end
def initialize(format, width, label, value)
@format = format
@width = width
@label = label
@value = value
end
def labeled
# Optimization: Avoid the computation of "outlined", and the
# elaborate comparison, in many cases.
return outlined if outlined_fits_on_one_line?
inlined_fits = lines_fit_horizontally?(inlined)
outlined_fits = lines_fit_horizontally?(outlined)
if inlined_fits && outlined_fits
[inlined, outlined].min_by do |lines|
[
lines.size,
lines.equal?(outlined) ? 0 : 1,
]
end
elsif inlined_fits && !outlined_fits
inlined
elsif !inlined_fits && outlined_fits
outlined
else # neither fits
[inlined, outlined].min_by do |lines|
[
lines.map(&:size).min,
lines.size,
]
end
end
end
private
def lines_fit_horizontally?(lines)
lines.all? do |line|
line_fits_horizontally?(line)
end
end
def line_fits_horizontally?(line)
line.chomp.size <= @width
end
def outlined_fits_on_one_line?
outlined.size == 1 && line_fits_horizontally?(outlined.first)
end
def outlined
@outlined ||= OutlineLabeler.label(@format, @width, @label, @value)
end
def inlined
@inlined ||= InlineLabeler.label(@format, @width, @label, @value)
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems