8233c5871f
* New primary interface #call makes specs and implementations much easier * We had #each mostly for historical reasons that are not relevant anymore * Mutation covers the Mutant::Matcher namespace
91 lines
2 KiB
Ruby
91 lines
2 KiB
Ruby
module Mutant
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class Expression
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# Abstract base class for expressions matching namespaces
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class Namespace < self
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include AbstractType, Anima.new(:scope_name)
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private(*anima.attribute_names)
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# Recursive namespace expression
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class Recursive < self
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REGEXP = /\A#{SCOPE_NAME_PATTERN}?\*\z/.freeze
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# Initialize object
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#
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# @return [undefined]
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#
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# @api private
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def initialize(*)
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super
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@recursion_pattern = Regexp.union(
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/\A#{scope_name}\z/,
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/\A#{scope_name}::/,
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/\A#{scope_name}[.#]/
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)
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end
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# Syntax for expression
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#
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# @return [String]
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#
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# @api private
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def syntax
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"#{scope_name}*"
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end
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memoize :syntax
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# Matcher for expression
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#
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# @return [Matcher]
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#
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# @api private
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def matcher
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Matcher::Namespace.new(self)
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end
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# Length of match with other expression
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#
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# @param [Expression] expression
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#
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# @return [Fixnum]
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#
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# @api private
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def match_length(expression)
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if @recursion_pattern =~ expression.syntax
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scope_name.length
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else
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0
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end
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end
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end # Recursive
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# Exact namespace expression
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class Exact < self
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MATCHER = Matcher::Scope
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private_constant(*constants(false))
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REGEXP = /\A#{SCOPE_NAME_PATTERN}\z/.freeze
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# Matcher matcher on expression
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#
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# @return [Matcher]
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#
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# @api private
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def matcher
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Matcher::Scope.new(Object.const_get(scope_name))
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end
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# Syntax for expression
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#
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# @return [String]
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#
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# @api private
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#
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alias_method :syntax, :scope_name
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public :syntax
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end # Exact
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end # Namespace
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end # Namespace
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end # Mutant
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