Module: EmailHeaderMatcher

Defined in:
lib/runger_email_reply_trimmer/email_header_matcher.rb

Constant Summary collapse

EMAIL_HEADERS_WITH_DATE_MARKERS = 
[
  # Norwegian
  ['Sendt'],
  # English
  ['Sent', 'Date'],
  # French
  ['Date', 'Le'],
  # German
  ['Gesendet'],
  # Portuguese
  ['Enviada em'],
  # Spanish
  ['Enviado'],
  # Spanish (Mexican)
  ['Fecha'],
  # Italian
  ['Data'],
  # Dutch
  ['Datum'],
  # Swedish
  ['Skickat'],
  # Chinese
  ['发送时间'],
].freeze
EMAIL_HEADERS_WITH_DATE_REGEXES = 
EMAIL_HEADERS_WITH_DATE_MARKERS.map do |header|
  /^[[:blank:]*]*(?:#{header.join('|')})[[:blank:]*]*:.*\d+/
end
EMAIL_HEADERS_WITH_TEXT_MARKERS = 
[
  # Norwegian
  ['Fra', 'Til', 'Emne'],
  # English
  ['From', 'To', 'Cc', 'Reply-To', 'Subject'],
  # French
  ['De', 'Expéditeur', 'À', 'Destinataire', 'Répondre à', 'Objet'],
  # German
  ['Von', 'An', 'Betreff'],
  # Portuguese
  ['De', 'Para', 'Assunto'],
  # Spanish
  ['De', 'Para', 'Asunto'],
  # Italian
  ['Da', 'Risposta', 'A', 'Oggetto'],
  # Dutch
  ['Van', 'Beantwoorden - Aan', 'Aan', 'Onderwerp'],
  # Swedish
  ['Från', 'Till', 'Ämne'],
  # Chinese
  ['发件人', '收件人', '主题'],
].freeze
EMAIL_HEADERS_WITH_TEXT_REGEXES = 
EMAIL_HEADERS_WITH_TEXT_MARKERS.map do |header|
  /^[[:blank:]*]*(?:#{header.join('|')})[[:blank:]*]*:.*[[:word:]]+/i
end
EMAIL_HEADER_REGEXES = 
[
  EMAIL_HEADERS_WITH_DATE_REGEXES,
  EMAIL_HEADERS_WITH_TEXT_REGEXES,
].flatten

Class Method Summary collapse

Class Method Details

.match?(line) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/runger_email_reply_trimmer/email_header_matcher.rb', line 69

def match?(line)
  EMAIL_HEADER_REGEXES.any? { |r| line =~ r }
end