Class: Quaff::ABNFSipParser

Inherits:
Object
  • Object
show all
Includes:
ABNF
Defined in:
lib/sip_parser.rb

Overview

:nodoc:

Direct Known Subclasses

ToSpec

Instance Method Summary collapse

Instance Method Details

#addr_spec ⇒ Object 



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# File 'lib/sip_parser.rb', line 181

def addr_spec
  sip_uri
end

#alphanum ⇒ Object

Rules



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# File 'lib/sip_parser.rb', line 107

def alphanum
  Alternate.new(Alpha.new, Digit.new)
end

#display_name ⇒ Object 



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# File 'lib/sip_parser.rb', line 205

def display_name
  Repetition.new(:any, Alternate.new(alphanum, wsp, Char.new(?")))
end

#escaped ⇒ Object 



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# File 'lib/sip_parser.rb', line 123

def escaped
  Concat.new(Char.new(?%), HexDigit.new, HexDigit.new)
end

#from_param ⇒ Object 



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# File 'lib/sip_parser.rb', line 213

def from_param
  param
end

#from_spec ⇒ Object 



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# File 'lib/sip_parser.rb', line 217

def from_spec
  Concat.new(Alternate.new(addr_spec, name_addr), Repetition.new(:any, Concat.new(Char.new(?;), from_param)))
end

#hostname ⇒ Object 



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# File 'lib/sip_parser.rb', line 139

def hostname
  Repetition.new([:at_least, 1], Alternate.new(alphanum, Char.new(?.)))
end

#hostport ⇒ Object 



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# File 'lib/sip_parser.rb', line 147

def hostport
  Concat.new(hostname, OptionalConcat.new(Char.new(?:), port))
end

#laquot ⇒ Object 



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# File 'lib/sip_parser.rb', line 201

def laquot
  Concat.new(sws, Char.new("<"))
end

#lws ⇒ Object 



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# File 'lib/sip_parser.rb', line 189

def lws
  Concat.new(OptionalConcat.new(Repetition.new([:at_least, 1], wsp), Literal.new("\r\n")), Repetition.new([:at_least, 1], wsp))
end

#mark ⇒ Object 



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# File 'lib/sip_parser.rb', line 115

def mark
  AlternateChars.new("-_.!~*'()")
end

#name_addr ⇒ Object 



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# File 'lib/sip_parser.rb', line 209

def name_addr
  Concat.new(display_name, laquot, addr_spec, raquot)
end

#param ⇒ Object 



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# File 'lib/sip_parser.rb', line 165

def param
  Concat.new(pname, OptionalConcat.new(Char.new(?=), pvalue))
end

#paramchar ⇒ Object 



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# File 'lib/sip_parser.rb', line 151

def paramchar
  paramunreserved = AlternateChars.new("[]/:&+%")
  Alternate.new(paramunreserved, unreserved, escaped)
end

#pname ⇒ Object 



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# File 'lib/sip_parser.rb', line 156

def pname
  Repetition.new([:at_least, 1], paramchar)
end

#port ⇒ Object 



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# File 'lib/sip_parser.rb', line 143

def port
  Repetition.new([:at_least, 1], Digit.new)
end

#pvalue ⇒ Object 



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# File 'lib/sip_parser.rb', line 160

def pvalue
  Repetition.new([:at_least, 1], paramchar)
end

#raquot ⇒ Object 



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# File 'lib/sip_parser.rb', line 197

def raquot
  Concat.new(Char.new(">"), sws)
end

#reserved ⇒ Object 



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# File 'lib/sip_parser.rb', line 111

def reserved
  AlternateChars.new(";/?:@&=+$,")
end

#sip_uri ⇒ Object 



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# File 'lib/sip_parser.rb', line 174

def sip_uri
  Concat.new(Literal.new("sip:"),
             Optional.new(userinfo),
             hostport,
             uri_parameters)
end

#sws ⇒ Object 



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# File 'lib/sip_parser.rb', line 193

def sws
  Optional.new(lws)
end

#to_param ⇒ Object 



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# File 'lib/sip_parser.rb', line 221

def to_param
  param
end

#to_spec ⇒ Object 



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# File 'lib/sip_parser.rb', line 225

def to_spec
  Concat.new(Alternate.new(addr_spec, name_addr), Repetition.new(:any, Concat.new(Char.new(?;), from_param)))
end

#unreserved ⇒ Object 



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# File 'lib/sip_parser.rb', line 119

def unreserved
  Alternate.new(alphanum, mark)
end

#uri_parameters ⇒ Object 



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# File 'lib/sip_parser.rb', line 169

def uri_parameters
  Repetition.new(:any,
                 Concat.new(Char.new(?;), param))
end

#user ⇒ Object 



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# File 'lib/sip_parser.rb', line 131

def user
  Repetition.new([:at_least, 1], Alternate.new(unreserved, escaped, user_unreserved))
end

#user_unreserved ⇒ Object 



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# File 'lib/sip_parser.rb', line 127

def user_unreserved
  AlternateChars.new "&=+$,;?/"
end

#userinfo ⇒ Object 



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# File 'lib/sip_parser.rb', line 135

def userinfo
  Concat.new(user, Char.new(?@))
end

#wsp ⇒ Object 



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# File 'lib/sip_parser.rb', line 185

def wsp
  Alternate.new(Char.new(" "), Char.new("\t"))
end