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# frozen_string_literal: true
require 'mustermann'
require 'mustermann/regexp_based'
module Mustermann
# Sinatra 1.3 style pattern implementation.
#
# @example
# Mustermann.new('/:foo', type: :simple) === '/bar' # => true
#
# @see Mustermann::Pattern
# @see file:README.md#simple Syntax description in the README
class Simple < RegexpBased
register :simple
supported_options :greedy, :space_matches_plus
instance_delegate highlighter: 'self.class'
# @!visibility private
# @return [#highlight, nil]
# highlighing logic for mustermann-visualizer,
# nil if mustermann-visualizer hasn't been loaded
def self.highlighter
return unless defined? Mustermann::Visualizer::Highlighter
@highlighter ||= Mustermann::Visualizer::Highlighter.create do
on(/:(\w+)/) { |matched| element(:capture, ':') { element(:name, matched[1..-1]) } }
on("*" => :splat, "?" => :optional)
end
end
def compile(greedy: true, uri_decode: true, space_matches_plus: true, **options)
pattern = @string.gsub(/[^\?\%\\\/\:\*\w]/) { |c| encoded(c, uri_decode, space_matches_plus) }
pattern.gsub!(/((:\w+)|\*)/) do |match|
match == "*" ? "(?<splat>.*?)" : "(?<#{$2[1..-1]}>[^/?#]+#{?? unless greedy})"
end
Regexp.new(pattern)
rescue SyntaxError, RegexpError => error
type = error.message["invalid group name"] ? CompileError : ParseError
raise type, error.message, error.backtrace
end
def encoded(char, uri_decode, space_matches_plus)
return Regexp.escape(char) unless uri_decode
parser = URI::Parser.new
encoded = Regexp.union(parser.escape(char), parser.escape(char, /./).downcase, parser.escape(char, /./).upcase)
encoded = Regexp.union(encoded, encoded('+', true, true)) if space_matches_plus and char == " "
encoded
end
private :compile, :encoded
end
end
Version data entries
17 entries across 17 versions & 2 rubygems