6a1f829cfa
Options such as --userimg=<path> should be parsed as an option with an
equals in its name ("userimg=") and without the path argument in
Option.name
Closes Homebrew/homebrew#34219.
Signed-off-by: Jack Nagel <jacknagel@gmail.com>
115 lines
1.6 KiB
Ruby
115 lines
1.6 KiB
Ruby
require 'set'
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class Option
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attr_reader :name, :description, :flag
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def initialize(name, description="")
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@name = name
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@flag = "--#{name}"
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@description = description
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end
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def to_s
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flag
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end
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def <=>(other)
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return unless Option === other
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name <=> other.name
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end
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def ==(other)
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instance_of?(other.class) && name == other.name
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end
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alias_method :eql?, :==
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def hash
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name.hash
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end
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def inspect
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"#<#{self.class.name}: #{flag.inspect}>"
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end
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end
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class DeprecatedOption
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attr_reader :old, :current
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def initialize(old, current)
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@old = old
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@current = current
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end
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def old_flag
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"--#{old}"
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end
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def current_flag
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"--#{current}"
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end
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def ==(other)
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instance_of?(other.class) && old == other.old && current == other.current
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end
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alias_method :eql?, :==
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end
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class Options
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include Enumerable
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def self.create(array)
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new array.map { |e| Option.new(e[/^--([^=]+=?)(.+)?$/, 1] || e) }
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end
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def initialize(*args)
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@options = Set.new(*args)
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end
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def each(*args, &block)
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@options.each(*args, &block)
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end
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def <<(o)
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@options << o
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self
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end
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def +(o)
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self.class.new(@options + o)
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end
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def -(o)
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self.class.new(@options - o)
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end
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def &(o)
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self.class.new(@options & o)
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end
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def |(o)
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self.class.new(@options | o)
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end
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def *(arg)
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@options.to_a * arg
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end
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def empty?
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@options.empty?
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end
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def as_flags
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map(&:flag)
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end
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def include?(o)
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any? { |opt| opt == o || opt.name == o || opt.flag == o }
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end
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alias_method :to_ary, :to_a
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def inspect
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"#<#{self.class.name}: #{to_a.inspect}>"
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end
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end
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