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Contents
module Fontist
class Formula
def initialize(options = {})
@font_name = options.fetch(:font_name, nil)
check_and_register_font_formulas
end
def self.all
new.all
end
def self.find(font_name)
new(font_name: font_name).find
end
def self.find_fonts(name)
new(font_name: name).find_fonts
end
def all
@all ||= Fontist::Registry.instance.formulas
end
def find
[find_formula].flatten.first
end
def find_fonts
formulas = [find_formula].flatten
match_fonts_by_name(formulas) unless formulas.empty?
end
private
attr_reader :font_name
def find_formula
find_by_font_name || find_by_font || []
end
def formulas
@formulas ||= all.to_h
end
def match_fonts_by_name(formulas)
matched_fonts = formulas.map do |formula|
formula.fonts.select do |font|
font.name.downcase == font_name.downcase
end
end
matched_fonts.empty? ? nil : matched_fonts.flatten
end
def find_by_font_name
matched_formulas = formulas.select do |key, value|
!value.fonts.map(&:name).grep(/#{font_name}/i).empty?
end
matched_formulas.empty? ? nil : matched_formulas.values
end
# Note
#
# These interface recursively look into every single font styles,
# so ideally try to avoid using it when possible, and that's why
# we've added it as last option in formula finder.
#
def find_by_font
matched_formulas = formulas.select do |key, value|
match_in_font_styles?(value[:fonts])
end
matched_formulas.empty? ? nil : matched_formulas.values
end
def match_in_font_styles?(fonts)
styles = fonts.select do |font|
!font.styles.map(&:font).grep(/#{font_name}/i).empty?
end
styles.empty? ? false : true
end
def check_and_register_font_formulas
$check_and_register_font_formulas ||= Fontist::Formulas.register_formulas
end
end
end
Version data entries
8 entries across 7 versions & 2 rubygems