Class: CBOR::CRI

Inherits:
Object
  • Object
show all
Defined in:
lib/cbor-cri.rb

Constant Summary collapse

SCHEMES =

index ~n -1 -2 -3 -4 -5 -6

[:coap, :coaps, :http, :https, :urn, :did]

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*parts) ⇒ CRI

Returns a new instance of CRI.



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# File 'lib/cbor-cri.rb', line 22

def initialize(*parts)
  # p parts
  if discard?(parts[0])
    # p 1
    self.discard, self.path, self.query, self.fragment, slop = parts
  else
    if discard?(parts[2])
      # p 2
      self.scheme, self.authority, self.discard, self.path, self.query, self.fragment, slop = parts
    else
      # p 3
      self.scheme, self.authority, self.path, self.query, self.fragment, slop = parts
      self.discard = true
    end
  end
  fail ArgumentError.new(parts.inspect) if slop
  check
end

Instance Attribute Details

#authority ⇒ Object

Returns the value of attribute authority.



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# File 'lib/cbor-cri.rb', line 12

def authority
  @authority
end

#discard ⇒ Object

Returns the value of attribute discard.



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# File 'lib/cbor-cri.rb', line 12

def discard
  @discard
end

#fragment ⇒ Object

Returns the value of attribute fragment.



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# File 'lib/cbor-cri.rb', line 12

def fragment
  @fragment
end

#path ⇒ Object

Returns the value of attribute path.



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# File 'lib/cbor-cri.rb', line 12

def path
  @path
end

#query ⇒ Object

Returns the value of attribute query.



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# File 'lib/cbor-cri.rb', line 12

def query
  @query
end

#scheme ⇒ Object

Returns the value of attribute scheme.



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# File 'lib/cbor-cri.rb', line 12

def scheme
  @scheme
end

Class Method Details

.a_to_n(a) ⇒ Object 



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# File 'lib/cbor-cri.rb', line 147

def self.a_to_n(a)
  IPAddr.new(a).hton
end

.authority_from_host_port(uri) ⇒ Object

——————————— host/port



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# File 'lib/cbor-cri.rb', line 129

def self.authority_from_host_port(uri)
  if uri.host
    begin
      a = [a_to_n(uri.host)] # XXX platform can't do zone
    rescue IPAddr::InvalidAddressError
      a = uri.host.split(".")
    end
    if Integer === uri.port
      a << uri.port
    end
    a
  end
end

.from_uri(us) ⇒ Object 



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# File 'lib/cbor-cri.rb', line 209

def self.from_uri(us)
  if String === us
    us = ::URI.parse(us.force_encoding(Encoding::UTF_8))
  end
  # p us
  if us.scheme || us.host
    authority = authority_from_host_port(us)
    discard = true
  end
  # XXX need to work on host, whether IP address
  opq, dsc, opath = self.parse_uri_path(us)
  # p [opq, dsc, opath, authority]
  query = us.query.split('&') if us.query
  # p opath
  scheme = us.scheme
  if scheme && (a = SCHEMES.index(scheme.intern))
    scheme = ~a
  end
  new(*[scheme, authority || opq, discard || dsc, opath, query, us.fragment])
end

.parse_uri_path(uri) ⇒ Object

——————————— URI conversion



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# File 'lib/cbor-cri.rb', line 174

def self.parse_uri_path(uri)
  # !!! check for opaque
  if uri.path
    path = uri.path
  elsif uri.opaque
    path = uri.opaque
  end
  # p path
  if path
    segs = path.split('/', -1).reject {|x| x == '.'}
    if path[0] == '/'
      discard = true
      segs[0..0] = []         # special case
    elsif path == ""
      discard = 0
      segs = nil
    else
      discard = 1             # if no scheme...
      segs = nil if segs == []
    end
    # p segs
    if segs
      opath = []
      # discard = 0             # XXX
      segs.each do |x|
        if x == '..'
          discard += 1 unless opath.pop
        else opath << x
        end
      end
    end
  end
  [uri.opaque ? true : nil, discard, opath]
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/cbor-cri.rb', line 55

def ==(other)
  to_item == other.to_item
end

#check ⇒ Object

copy?



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# File 'lib/cbor-cri.rb', line 61

def check
  # TBD
end

#discard?(d = discard) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cbor-cri.rb', line 14

def discard?(d = discard)
  true == d || (Integer === d && d >= 0)
end

#host ⇒ Object 



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# File 'lib/cbor-cri.rb', line 151

def host
  if authority
    host_a = authority
    if Array === authority
      p = authority.last
      host_a = authority[0...-1] if Integer === p
      return host_a.join(".") unless String === host_a.first && host_a.first.encoding == Encoding::BINARY
      n_to_a(host_a.first)
    end
  end
end

#merge(other) ⇒ Object 



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# File 'lib/cbor-cri.rb', line 65

def merge(other)
  ret = dup
  if other.discard == true
    ret.path = other.path.dup
    ret.query = nil
    ret.fragment = nil
    ret.authority = null if ret.authority == true
  elsif Integer === other.discard
    ret.path = ret.path.dup
    ret.path.pop(other.discard)
    ret.path.concat(other.path) if other.path
    if other.discard != 0
      ret.query = nil
      ret.fragment = nil
    end
  end
  if other.scheme
    ret.scheme = other.scheme
    ret.authority = other.authority
  else
    ret.authority = other.authority if other.authority
  end
  if other.query
    ret.query = other.query
    ret.fragment = nil
  end
  ret.fragment = other.fragment if other.fragment
  ret
end

#n_to_a(n) ⇒ Object 



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# File 'lib/cbor-cri.rb', line 143

def n_to_a(n)
  IPAddr.new_ntoh(n).to_s
end

#port ⇒ Object 



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# File 'lib/cbor-cri.rb', line 163

def port
  if authority
    if Array === authority
      p = authority.last
      p if Integer === p
    end
  end
end

#relpath? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cbor-cri.rb', line 18

def relpath?
  scheme.nil?
end

#to_item ⇒ Object 



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# File 'lib/cbor-cri.rb', line 41

def to_item
  ret =
    if scheme || authority
      fail inspect unless discard == true
      [scheme, authority, path, query, fragment]
    else
      [discard, path, query, fragment]
    end
  while ret.size > 0 && ret[-1].nil?
    ret.pop
  end
  ret
end

#to_uri ⇒ Object

XXX percent-encoding needed



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# File 'lib/cbor-cri.rb', line 96

def to_uri
  ret = ""
  if scheme
    ret <<
      if Integer === scheme
        SCHEMES[~scheme].to_s
      else
        scheme
      end << ":"
  end
  if authority && authority != true
    ret << "//" << (host || ":::FAIL:::")
    if port
      ret << ":" << port.to_s
    end
  end
  if path
    ret << "/" if authority != true && discard == true
    ret << path.join("/")
  end
  if query
    ret << "?"
    ret << query.join("&")
  end
  if fragment
    ret << "#"
    ret << Array(fragment).join("") # XXX PET workaround
  end
  ret
end