ew-var.el

   1 (provide 'ew-var)
   2
   3 ;;; user customizable variables.
   4
   5 (defvar ew-decode-sticked-encoded-word nil)
   6 (defvar ew-decode-quoted-encoded-word nil)
   7 (defvar ew-ignore-75bytes-limit nil)
   8 (defvar ew-ignore-76bytes-limit nil)
   9 (defvar ew-permit-sticked-comment nil)
  10 (defvar ew-permit-sticked-special nil)
  11
  12 (defvar ew-remove-bare-crlf nil)
  13 (defvar ew-default-mime-charset 'x-ctext)
  14
  15 ;;;
  16 (defvar ew-decode-field-syntax-alist
  17 '((from                 ew-scan-unibyte-std11 . ew:tag-mailbox+)
  18   (sender               ew-scan-unibyte-std11 . ew:tag-mailbox)
  19   (to                   ew-scan-unibyte-std11 . ew:tag-address+)
  20   (resent-to            ew-scan-unibyte-std11 . ew:tag-address+)
  21   (cc                   ew-scan-unibyte-std11 . ew:tag-address+)
  22   (resent-cc            ew-scan-unibyte-std11 . ew:tag-address+)
  23   (bcc                  ew-scan-unibyte-std11 . ew:tag-address*)
  24   (resent-bcc           ew-scan-unibyte-std11 . ew:tag-address*)
  25   (message-id           ew-scan-unibyte-std11)
  26   (resent-message-id    ew-scan-unibyte-std11)
  27   (in-reply-to          ew-scan-unibyte-std11 . ew:tag-phrase-msg-id*)
  28   (references           ew-scan-unibyte-std11 . ew:tag-phrase-msg-id*)
  29   (keywords             ew-scan-unibyte-std11 . ew:tag-phrase*)
  30   (subject              ew-scan-unibyte-unstructured)
  31   (comments             ew-scan-unibyte-unstructured)
  32   (encrypted            ew-scan-unibyte-std11)
  33   (date                 ew-scan-unibyte-std11)
  34   (reply-to             ew-scan-unibyte-std11 . ew:tag-address+)
  35   (received             ew-scan-unibyte-std11)
  36   (resent-reply-to      ew-scan-unibyte-std11 . ew:tag-address+)
  37   (resent-from          ew-scan-unibyte-std11 . ew:tag-mailbox+)
  38   (resent-sender        ew-scan-unibyte-std11 . ew:tag-mailbox)
  39   (resent-date          ew-scan-unibyte-std11)
  40   (return-path          ew-scan-unibyte-std11)
  41   (mime-version         ew-scan-unibyte-std11)
  42   (content-type         ew-scan-unibyte-mime)
  43   (content-transfer-encoding    ew-scan-unibyte-mime)
  44   (content-id           ew-scan-unibyte-std11)
  45   (content-description  ew-scan-unibyte-unstructured)
  46   (content-disposition  ew-scan-unibyte-mime)
  47   (approved             ew-scan-unibyte-std11 . ew:tag-address+)
  48 ))
  49
  50 (defvar ew-decode-field-default-syntax '(ew-scan-unibyte-unstructured))
  51
  52 (defvar ew-parse-error-sit-for-seconds 0)
  53
  54 ;;; constants.
  55
  56 (defconst ew-token-regexp "[-!#-'*+0-9A-Z^-~]+")
  57 (defconst ew-encoded-text-regexp "[!->@-~]+")
  58 (defconst ew-encoded-word-regexp
  59   (concat (regexp-quote "=?")
  60           "\\(" ew-token-regexp "\\)"
  61           (regexp-quote "?")
  62           "\\(" ew-token-regexp "\\)"
  63           (regexp-quote "?")
  64           "\\(" ew-encoded-text-regexp "\\)"
  65           (regexp-quote "?=")))
  66
  67 ;;; utilities for variables.
  68
  69 (defun ew-dynamic-options ()
  70   (cons
  71    ew-default-mime-charset
  72    (logior
  73     (if ew-decode-sticked-encoded-word 1 0)
  74     (if ew-decode-quoted-encoded-word 2 0)
  75     (if ew-ignore-75bytes-limit 4 0)
  76     (if ew-ignore-76bytes-limit 8 0)
  77     (if ew-permit-sticked-comment 16 0)
  78     (if ew-permit-sticked-special 32 0)
  79     (if ew-remove-bare-crlf 64 0)
  80     )))