From 52215102ec5cf922af059113118d80370a861dba Mon Sep 17 00:00:00 2001
From: morioka <morioka>
Date: Thu, 25 Apr 1996 22:15:52 +0000
Subject: [PATCH] (rfc822/get-field-names): New function.

---
 tl-822.el |  113 ++++++++++++++++++++++++++++++++++---------------------------
 1 file changed, 64 insertions(+), 49 deletions(-)

diff --git a/tl-822.el b/tl-822.el
index 9580607..46d9b9e 100644
--- a/tl-822.el
+++ b/tl-822.el
@@ -30,10 +30,57 @@
 
 
 (defconst rfc822/RCS-ID
-  "$Id: tl-822.el,v 7.21 1996-04-25 21:30:12 morioka Exp $")
+  "$Id: tl-822.el,v 7.22 1996-04-25 22:15:52 morioka Exp $")
 (defconst rfc822/version (get-version-string rfc822/RCS-ID))
 
 
+;;; @ header
+;;;
+
+(defun rfc822/narrow-to-header (&optional boundary)
+  (narrow-to-region (goto-char (point-min))
+		    (if (re-search-forward
+			 (concat "^\\(" (regexp-quote
+					 (or boundary "")) "\\)?$") nil t)
+			(match-beginning 0)
+		      (point-max)
+		      )))
+
+(defun rfc822/get-header-string (pat &optional boundary)
+  (let ((case-fold-search t))
+    (save-excursion
+      (save-restriction
+	(rfc822/narrow-to-header boundary)
+	(goto-char (point-min))
+	(let (field header)
+	  (while (re-search-forward rfc822/field-top-regexp nil t)
+	    (setq field (buffer-substring (match-beginning 0)
+					  (rfc822/field-end)
+					  ))
+	    (if (string-match pat field)
+		(setq header (concat header field "\n"))
+	      ))
+	  header)
+	))))
+
+(defun rfc822/get-header-string-except (pat &optional boundary)
+  (let ((case-fold-search t))
+    (save-excursion
+      (save-restriction
+	(rfc822/narrow-to-header boundary)
+	(goto-char (point-min))
+	(let (field header)
+	  (while (re-search-forward rfc822/field-top-regexp nil t)
+	    (setq field (buffer-substring (match-beginning 0)
+					  (rfc822/field-end)
+					  ))
+	    (if (not (string-match pat field))
+		(setq header (concat header field "\n"))
+	      ))
+	  header)
+	))))
+
+
 ;;; @ field
 ;;;
 
@@ -44,6 +91,21 @@
 
 (defconst rfc822::next-field-top-regexp (concat "\n" rfc822/field-top-regexp))
 
+(defun rfc822/get-field-names (&optional boundary)
+  (save-excursion
+    (save-restriction
+      (rfc822/narrow-to-header boundary)
+      (goto-char (point-min))
+      (let ((pat (concat "^\\(" rfc822/field-name-regexp "\\):"))
+	    dest name)
+	(while (re-search-forward pat nil t)
+	  (setq name (buffer-substring (match-beginning 1)(match-end 1)))
+	  (or (member name dest)
+	      (setq dest (cons name dest))
+	      )
+	  )
+	dest))))
+
 (defun rfc822/field-end ()
   (if (re-search-forward rfc822::next-field-top-regexp nil t)
       (goto-char (match-beginning 0))
@@ -72,12 +134,12 @@
     (save-excursion
       (save-restriction
 	(rfc822/narrow-to-header boundary)
-	(goto-char (point-min))
 	(let* ((dest (make-list (length field-names) default-value))
 	       (s-rest field-names)
 	       (d-rest dest)
 	       field-name)
 	  (while (setq field-name (car s-rest))
+	    (goto-char (point-min))
 	    (if (re-search-forward (concat "^" field-name ":[ \t]*") nil t)
 		(setcar d-rest
 			(buffer-substring-no-properties
@@ -89,53 +151,6 @@
 	  dest)))))
 
 
-;;; @ header
-;;;
-
-(defun rfc822/narrow-to-header (&optional boundary)
-  (narrow-to-region (goto-char (point-min))
-		    (if (re-search-forward
-			 (concat "^\\(" (regexp-quote
-					 (or boundary "")) "\\)?$") nil t)
-			(match-end 0)
-		      (point-max)
-		      )))
-
-(defun rfc822/get-header-string (pat &optional boundary)
-  (let ((case-fold-search t))
-    (save-excursion
-      (save-restriction
-	(rfc822/narrow-to-header boundary)
-	(goto-char (point-min))
-	(let (field header)
-	  (while (re-search-forward rfc822/field-top-regexp nil t)
-	    (setq field (buffer-substring (match-beginning 0)
-					  (rfc822/field-end)
-					  ))
-	    (if (string-match pat field)
-		(setq header (concat header field "\n"))
-	      ))
-	  header)
-	))))
-
-(defun rfc822/get-header-string-except (pat &optional boundary)
-  (let ((case-fold-search t))
-    (save-excursion
-      (save-restriction
-	(rfc822/narrow-to-header boundary)
-	(goto-char (point-min))
-	(let (field header)
-	  (while (re-search-forward rfc822/field-top-regexp nil t)
-	    (setq field (buffer-substring (match-beginning 0)
-					  (rfc822/field-end)
-					  ))
-	    (if (not (string-match pat field))
-		(setq header (concat header field "\n"))
-	      ))
-	  header)
-	))))
-
-
 ;;; @ quoting
 ;;;
 
-- 
1.7.10.4