Sha256: 440d557241ae80948724c4fd568939aea6aafea4c9dc689a5cd9abd9dc9fc359
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Size: 1.38 KB
Versions: 7
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Stored size: 1.38 KB
Contents
# frozen_string_literal: true
class ActWithFlags::Admin
Location = Struct.new(:model, :origin, :position)
attr_reader :locations
def mask(*flags)
return 0 if flags.empty?
res = mask2d(*flags)
raise "Mixing origins fails: #{flags}" unless res.length == 1
res.values.first
end
def mask2d(*flags)
res = {}
flags.each { |flag|
model, orig, pos = location(flag).values
idx = "#{model}##{orig}"
mask = res[idx] || 0
res[idx] = mask | (1 << pos)
}
res
end
def location(name)
location = @locations[name]
return location if location
parent = model.superclass.act_with_flags
return parent.location(name) if parent
raise "unknown flag '#{model}##{name}'"
end
private
def position(name)
location(name).position
end
def add_to_locations(flag, location)
who = "<#{flag}: #{location.origin}@#{location.position}>"
raise "name already used #{who}" if @locations.key?(flag)
bool = @locations.has_value?(location)
raise "position already used #{who}" if bool
@locations[flag] = location
end
def check_pos(model, origin, pos)
return pos if pos
max_position = -1
@locations.each { |name, location|
model2, orig2, pos2 = location.values
next unless model == model2 && origin == orig2
max_position = pos2 if pos2 > max_position
}
max_position + 1
end
end
Version data entries
7 entries across 7 versions & 1 rubygems