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module Journey
class Route
attr_reader :app, :path, :verb, :defaults, :ip, :name
attr_reader :constraints
alias :conditions :constraints
attr_accessor :precedence
##
# +path+ is a path constraint.
# +constraints+ is a hash of constraints to be applied to this route.
def initialize name, app, path, constraints, defaults = {}
constraints = constraints.dup
@name = name
@app = app
@path = path
@verb = constraints[:request_method] || //
@ip = constraints.delete(:ip) || //
@constraints = constraints
@constraints.keep_if { |_,v| Regexp === v || String === v }
@defaults = defaults
@required_defaults = nil
@required_parts = nil
@parts = nil
@decorated_ast = nil
@precedence = 0
end
def ast
return @decorated_ast if @decorated_ast
@decorated_ast = path.ast
@decorated_ast.grep(Nodes::Terminal).each { |n| n.memo = self }
@decorated_ast
end
def requirements # :nodoc:
# needed for rails `rake routes`
path.requirements.merge(@defaults).delete_if { |_,v|
/.+?/ == v
}
end
def segments
@path.names
end
def required_keys
path.required_names.map { |x| x.to_sym } + required_defaults.keys
end
def score constraints
required_keys = path.required_names
supplied_keys = constraints.map { |k,v| v && k.to_s }.compact
return -1 unless (required_keys - supplied_keys).empty?
score = (supplied_keys & path.names).length
score + (required_defaults.length * 2)
end
def parts
@parts ||= segments.map { |n| n.to_sym }
end
alias :segment_keys :parts
def format path_options
(defaults.keys - required_parts).each do |key|
path_options.delete key if defaults[key].to_s == path_options[key].to_s
end
formatter = Visitors::Formatter.new(path_options)
formatted_path = formatter.accept(path.spec)
formatted_path.gsub(/\/\x00/, '')
end
def optional_parts
path.optional_names.map { |n| n.to_sym }
end
def required_parts
@required_parts ||= path.required_names.map { |n| n.to_sym }
end
def required_defaults
@required_defaults ||= begin
matches = parts
@defaults.dup.delete_if { |k,_| matches.include? k }
end
end
end
end
|
