From: keiichi Date: Wed, 24 Nov 1999 07:53:43 +0000 (+0000) Subject: (mime/content-parameter-value-regexp): Abolished. X-Git-Url: http://git.chise.org/gitweb/?a=commitdiff_plain;h=5e42190b32c46776294eb762a7fb1f3963b8bc35;p=elisp%2Fflim.git (mime/content-parameter-value-regexp): Abolished. (mime::attribute-char-regexp): Ditto. (mime::attribute-regexp): Ditto. (mime::ext-octet-regexp): Ditto. (mime::extended-other-values-regexp): Ditto. (mime::extended-initial-value-regexp): Ditto. (mime::parameter-regexp): Ditto. (mime-parse-parameters-skip-to-next-token): New function. (mime-parse-parameters): New implementation. --- diff --git a/mime-parse.el b/mime-parse.el index 2522ce7..2a6a2ba 100644 --- a/mime-parse.el +++ b/mime-parse.el @@ -73,84 +73,79 @@ be the result." ;;; @ field parser ;;; -(defconst mime/content-parameter-value-regexp - (concat "\\(" - std11-quoted-string-regexp - "\\|[^; \t\n]*\\)") - ) - -(defconst mime::attribute-char-regexp "[^][*'%()<>@,;:\\\"/?=\000- ]") -(defconst mime::attribute-regexp (concat mime::attribute-char-regexp "+") - ) - -(defconst mime::ext-octet-regexp "%[0-9a-f][0-9a-f]") -(defconst mime::extended-other-values-regexp - (concat "\\(" mime::attribute-char-regexp "\\|" - mime::ext-octet-regexp "\\)+") - ) -(defconst mime::extended-initial-value-regexp - (concat "\\(" mime-charset-regexp "\\)'\\(" mime-charset-regexp "\\)'\\(" - mime::extended-other-values-regexp "\\)") - ) - -(defconst mime::parameter-regexp - (concat "[ \t]*\;[ \t]*\\(" mime::attribute-regexp "\\)" - "\\(\\*\\([0-9]+\\)\\)?\\(\\*\\)?" - "[ \t]*=[ \t]*\\(" mime/content-parameter-value-regexp "\\)") - ) +(defun mime-parse-parameters-skip-to-next-token (lrl) + (while (and lrl + (memq (caar lrl) '(comment spaces))) + (setq lrl (cdr lrl)) + ) + (if (eq (caar lrl) 'error) + nil + lrl)) (defun mime-parse-parameters (str) - (with-temp-buffer - (let (rest) - (insert str) - (goto-char (point-min)) - (while (looking-at mime::parameter-regexp) - (let* ((name (buffer-substring (match-beginning 1) (match-end 1))) - (no (or (and (match-beginning 3) - (string-to-int - (buffer-substring (match-beginning 3) - (match-end 3) - ))) - 0)) - (encoded (and (match-beginning 4) t)) - (next (match-end 0)) - (parm (or (assoc name rest) - (car (setq rest - (cons (make-mime-parameter name) rest) - ))))) - (mime-parameter-append-raw-value - parm - no - encoded - (if encoded - (if (and (eq no 0) - (progn - (goto-char (match-beginning 5)) - (looking-at mime::extended-initial-value-regexp) - )) - (progn - (mime-parameter-set-charset - parm - (intern (downcase - (buffer-substring (match-beginning 1) - (match-end 1) - )))) - (mime-parameter-set-language - parm - (intern (downcase - (buffer-substring (match-beginning 2) - (match-end 2) - )))) - (buffer-substring (match-beginning 3) (match-end 3)) - ) - (buffer-substring (match-beginning 5) (match-end 5)) - ) - (std11-strip-quoted-string - (buffer-substring (match-beginning 5) (match-end 5)) - ))) - (goto-char next) - )) - rest))) + (let* ((lrl (std11-lexical-analyze str mime-lexical-analyzer)) + (token (car lrl)) + rest name val) + (catch 'parse-error + (while (and token + (eq (car token) 'tpecials) + (string= (cdr token) ";") + ) + (setq token nil) + (when (and (setq lrl (mime-parse-parameters-skip-to-next-token + (cdr lrl) + )) + (setq name (cdar lrl)) + (setq lrl (mime-parse-parameters-skip-to-next-token + (cdr lrl) + )) + (string= (cdar lrl) "=") + (setq lrl (mime-parse-parameters-skip-to-next-token + (cdr lrl) + )) + (setq val (cdar lrl))) + (when (string-match "^\\([^*]+\\)\\(\\*\\([0-9]+\\)\\)?\\(\\*\\)?" + name) + (let ((number (if (match-beginning 3) + (string-to-int (substring name + (match-beginning 3) + (match-end 3) + )) + 0)) + (encoded (if (match-beginning 4) t nil)) + parm) + (setq name (substring name (match-beginning 1) (match-end 1)) + parm (or (assoc name rest) + (car (setq rest + (cons (make-mime-parameter name) + rest))))) + (when (and (eq number 0) + encoded + (string-match "^\\([^']*\\)'\\([^']*\\)'\\(.*\\)" + val)) + (when (< (match-beginning 1) (match-end 1)) + (mime-parameter-set-charset + parm + (intern (downcase (substring val + (match-beginning 1) + (match-end 1) + ))))) + (when (< (match-beginning 2) (match-end 2)) + (mime-parameter-set-language + parm + (intern (downcase (substring val + (match-beginning 2) + (match-end 2) + ))))) + (setq val (substring val (match-beginning 3))) + ) + (mime-parameter-append-raw-value parm number encoded val) + (setq lrl (mime-parse-parameters-skip-to-next-token + (cdr lrl) + ) + token (car lrl) + )))))) + rest)) ;;; @ Content-Type ;;;