Parses segmented string expression and converts it into a Regexp
Strexp.compile('foo')
# => %r{\Afoo\Z}
Strexp.compile('foo/:bar', {}, ['/'])
# => %r{\Afoo/(?<bar>[^/]+)\Z}
Strexp.compile(':foo.example.com')
# => %r{\A(?<foo>.+)\.example\.com\Z}
Strexp.compile('foo/:bar', {:bar => /[a-z]+/}, ['/'])
# => %r{\Afoo/(?<bar>[a-z]+)\Z}
Strexp.compile('foo(.:extension)')
# => %r{\Afoo(\.(?<extension>.+))?\Z}
Strexp.compile('src/*files')
# => %r{\Asrc/(?<files>.+)\Z}
# File lib/rack/mount/strexp.rb, line 25 def compile(str, requirements = {}, separators = [], anchor = true) return Regexp.compile(str) if str.is_a?(Regexp) requirements = requirements ? requirements.dup : {} normalize_requirements!(requirements, separators) parser = StrexpParser.new parser.anchor = anchor parser.requirements = requirements begin re = parser.scan_str(str) rescue Racc::ParseError => e raise RegexpError, e.message end Regexp.compile(re) end
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