forked from treehouse/mastodon
41 lines
911 B
Ruby
41 lines
911 B
Ruby
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# frozen_string_literal: true
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class ScopeTransformer < Parslet::Transform
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class Scope
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DEFAULT_TERM = 'all'
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DEFAULT_ACCESS = %w(read write).freeze
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attr_reader :namespace, :term
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def initialize(scope)
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@namespace = scope[:namespace]&.to_s
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@access = scope[:access] ? [scope[:access].to_s] : DEFAULT_ACCESS.dup
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@term = scope[:term]&.to_s || DEFAULT_TERM
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end
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def key
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@key ||= [@namespace, @term].compact.join('/')
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end
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def access
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@access.join('/')
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end
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def merge(other_scope)
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clone.merge!(other_scope)
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end
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def merge!(other_scope)
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raise ArgumentError unless other_scope.namespace == namespace && other_scope.term == term
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@access.concat(other_scope.instance_variable_get('@access'))
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@access.uniq!
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@access.sort!
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self
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end
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end
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rule(scope: subtree(:scope)) { Scope.new(scope) }
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end
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