Class: EmailHeaderMatcher

Inherits:
Object
  • Object
show all
Defined in:
lib/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"],
]
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"],
]
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/email_reply_trimmer/email_header_matcher.rb', line 65

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