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Versions: 15
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Stored size: 1.74 KB
Contents
# frozen_string_literal: true
require "hanami/router/segment"
module Hanami
class Router
# Trie node
#
# @api private
# @since 2.0.0
class Node
# @api private
# @since 2.0.0
attr_reader :to
# @api private
# @since 2.0.0
def initialize
@variable = nil
@fixed = nil
@to = nil
end
# @api private
# @since 2.0.0
def put(segment, constraints)
if variable?(segment)
@variable ||= {}
@variable[segment_for(segment, constraints)] ||= self.class.new
else
@fixed ||= {}
@fixed[segment] ||= self.class.new
end
end
# @api private
# @since 2.0.0
#
def get(segment) # rubocop:disable Metrics/PerceivedComplexity
return unless @variable || @fixed
found = nil
captured = nil
found = @fixed&.fetch(segment, nil)
return [found, nil] if found
@variable&.each do |matcher, node|
break if found
captured = matcher.match(segment)
found = node if captured
end
[found, captured&.named_captures]
end
# @api private
# @since 2.0.0
def leaf?
@to
end
# @api private
# @since 2.0.0
def leaf!(to)
@to = to
end
private
# @api private
# @since 2.0.0
def variable?(segment)
Router::ROUTE_VARIABLE_MATCHER.match?(segment)
end
# @api private
# @since 2.0.0
def segment_for(segment, constraints)
Segment.fabricate(segment, **constraints)
end
# @api private
# @since 2.0.0
def fixed?(matcher)
matcher.names.empty?
end
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems