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# encoding: utf-8
# frozen_string_literal: true
require 'mail/constants'
module Mail
class CommonField #:nodoc:
def self.singular?
false
end
def self.parse(*args)
new(*args).tap(&:parse)
end
attr_accessor :name
attr_reader :value
attr_accessor :charset
attr_reader :errors
def initialize(name = nil, value = nil, charset = nil)
@errors = []
self.name = name
self.value = value
self.charset = charset || 'utf-8'
end
def singular?
self.class.singular?
end
def value=(value)
@element = nil
@value = value.is_a?(Array) ? value : value.to_s
parse
end
def parse
tap(&:element)
end
def element
nil
end
def to_s
decoded.to_s
end
def default
decoded
end
def decoded
do_decode
end
def encoded
do_encode
end
def responsible_for?(field_name)
name.to_s.casecmp(field_name.to_s) == 0
end
private
FILENAME_RE = /\b(filename|name)=([^;"\r\n]+\s[^;"\r\n]+)/
def ensure_filename_quoted(value)
if value.is_a?(String)
value.sub FILENAME_RE, '\1="\2"'
else
value
end
end
end
end
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