Class: Jade::Decode::Desc::Record

Inherits:
Data
  • Object
show all
Includes:
Node
Defined in:
lib/jade/decode.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Node

#decoded?

Instance Attribute Details

#ctor ⇒ Object (readonly)

Returns the value of attribute ctor

Returns:

  • (Object) —

    the current value of ctor



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# File 'lib/jade/decode.rb', line 186

def ctor
  @ctor
end

#fields ⇒ Object (readonly)

Returns the value of attribute fields

Returns:

  • (Object) —

    the current value of fields



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# File 'lib/jade/decode.rb', line 186

def fields
  @fields
end

Instance Method Details

#decode(value) ⇒ Object

Spells out at_key and decoded? rather than calling them: this runs once per field of every decoded row.



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# File 'lib/jade/decode.rb', line 191

def decode(value)
  h = coerce_hash(value)
  return type_err('Object', value) unless h

  size = fields.length
  args = ::Array.new(size)
  errors = nil
  i = 0

  while i < size
    field = fields[i]
    key = field.key
    sym = field.sym
    raw = h[sym]
    raw = h[key] if raw.nil?

    if raw.nil? && !h.key?(sym) && !h.key?(key)
      (errors ||= []) << MissingField[key]
    else
      decoded = field.inner.decode(raw)
      Failure === decoded ? (errors ||= []) << AtField[key, decoded.error] : args[i] = decoded
    end
    i += 1
  end

  errors ? Failure.new(wrap_errors(errors)) : ctor.new(*args)
end