From c11722f67c755026823e7bd8a68ae1bb7425a703 Mon Sep 17 00:00:00 2001
From: tomo <tomo>
Date: Thu, 2 Mar 2000 10:50:09 +0000
Subject: [PATCH] (mime-visible-field-p): Moved from mmbuffer.el.
 (mime-insert-header-from-buffer): Moved from mmbuffer.el.

---
 mmgeneric.el |   60 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)

diff --git a/mmgeneric.el b/mmgeneric.el
index 02dcfd2..034ed23 100644
--- a/mmgeneric.el
+++ b/mmgeneric.el
@@ -119,6 +119,66 @@
 	   def-body))
 
 
+;;; @ header filter
+;;;
+
+;; [tomo] We should think about specification of better filtering
+;; mechanism.  Please discuss in the emacs-mime mailing lists.
+
+(defun mime-visible-field-p (field-name visible-fields invisible-fields)
+  (or (catch 'found
+	(while visible-fields
+	  (let ((regexp (car visible-fields)))
+	    (if (string-match regexp field-name)
+		(throw 'found t)
+	      ))
+	  (setq visible-fields (cdr visible-fields))
+	  ))
+      (catch 'found
+	(while invisible-fields
+	  (let ((regexp (car invisible-fields)))
+	    (if (string-match regexp field-name)
+		(throw 'found nil)
+	      ))
+	  (setq invisible-fields (cdr invisible-fields))
+	  )
+	t)))
+
+(defun mime-insert-header-from-buffer (buffer start end
+					      &optional invisible-fields
+					      visible-fields)
+  (let ((the-buf (current-buffer))
+	(mode-obj (mime-find-field-presentation-method 'wide))
+	field-decoder
+	f-b p f-e field-name len field field-body)
+    (save-excursion
+      (set-buffer buffer)
+      (save-restriction
+	(narrow-to-region start end)
+	(goto-char start)
+	(while (re-search-forward std11-field-head-regexp nil t)
+	  (setq f-b (match-beginning 0)
+		p (match-end 0)
+		field-name (buffer-substring f-b p)
+		len (string-width field-name)
+		f-e (std11-field-end))
+	  (when (mime-visible-field-p field-name
+				      visible-fields invisible-fields)
+	    (setq field (intern
+			 (capitalize (buffer-substring f-b (1- p))))
+		  field-body (buffer-substring p f-e)
+		  field-decoder (inline (mime-find-field-decoder-internal
+					 field mode-obj)))
+	    (with-current-buffer the-buf
+	      (insert field-name)
+	      (insert (if field-decoder
+			  (funcall field-decoder field-body len)
+			;; Don't decode
+			field-body))
+	      (insert "\n")
+	      )))))))
+
+
 ;;; @ end
 ;;;
 
-- 
1.7.10.4