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: / opt / td-agent / embedded / lib / ruby / gems / 2.1.0 / gems / mail-2.6.4 / lib / mail / fields /
Filename : structured_field.rb
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# encoding: utf-8
# frozen_string_literal: true
require 'mail/fields/common/common_field'

module Mail
  # Provides access to a structured header field
  #
  # ===Per RFC 2822:
  #  2.2.2. Structured Header Field Bodies
  #  
  #     Some field bodies in this standard have specific syntactical
  #     structure more restrictive than the unstructured field bodies
  #     described above. These are referred to as "structured" field bodies.
  #     Structured field bodies are sequences of specific lexical tokens as
  #     described in sections 3 and 4 of this standard.  Many of these tokens
  #     are allowed (according to their syntax) to be introduced or end with
  #     comments (as described in section 3.2.3) as well as the space (SP,
  #     ASCII value 32) and horizontal tab (HTAB, ASCII value 9) characters
  #     (together known as the white space characters, WSP), and those WSP
  #     characters are subject to header "folding" and "unfolding" as
  #     described in section 2.2.3.  Semantic analysis of structured field
  #     bodies is given along with their syntax.
  class StructuredField
    
    include Mail::CommonField
    include Mail::Utilities
    
    def initialize(name = nil, value = nil, charset = nil)
      self.name    = name
      self.value   = value
      self.charset = charset
      self
    end
    
    def charset
      @charset
    end
    
    def charset=(val)
      @charset = val
    end
    
    def default
      decoded
    end
    
    def errors
      []
    end

  end
end