Added some missing comments.

[elpher.git] / elopher.el

diff --git a/elopher.el b/elopher.el
index dfb5c77..3e35921 100644 (file)
--- a/elopher.el
+++ b/elopher.el
@@ -248,7 +248,7 @@ Otherwise, use the system browser via the BROWSE-URL function."
                            'action #'elopher-click-link
                            'follow-link t
                            'help-echo help-string))
-      (?7 (elopher-insert-margin "S")
+      (?7 (elopher-insert-margin "S")                         ; Query
           (insert-text-button display-string
                               'face elopher-search-face
                               'elopher-node (elopher-make-node elopher-current-node
@@ -257,7 +257,7 @@ Otherwise, use the system browser via the BROWSE-URL function."
                               'action #'elopher-click-link
                               'follow-link t
                               'help-echo help-string))
-      (?h (elopher-insert-margin "W")
+      (?h (elopher-insert-margin "W")                         ; Web link
           (let ((url (elt (split-string selector "URL:") 1)))
             (insert-text-button display-string
                                 'face elopher-http-face
@@ -328,8 +328,25 @@ The result is stored as a string in the variable elopher-selector-string."
 ;; Text retrieval
 
 (defun elopher-process-text (string)
-  (let ((chopped-str (replace-regexp-in-string "\r\n\.\r\n$" "\r\n" string)))
-    (replace-regexp-in-string "\r" "" chopped-str)))
+  (let* ((chopped-str (replace-regexp-in-string "\r\n\.\r\n$" "\r\n" string))
+         (cleaned-str (replace-regexp-in-string "\r" "" chopped-str)))
+    (elopher-buttonify-urls cleaned-str)))
+
+(defvar elopher-url-regex "\\https?://\\([a-z.\-]+\\)\\([^ \r\n\t(),]*\\)")
+
+(defun elopher-buttonify-urls (string)
+  (with-temp-buffer
+    (insert string)
+    (goto-char (point-min))
+    (while (re-search-forward elopher-url-regex nil t)
+      (let ((url (match-string 0)))
+        (make-text-button (match-beginning 0)
+                          (match-end 0)
+                          'elopher-url url
+                          'action #'elopher-click-url
+                          'follow-link t
+                          'help-echo (format "mouse-1, RET: open url %s" url))))
+    (buffer-string)))
 
 (defun elopher-get-text-node ()
   (let ((content (elopher-node-content elopher-current-node))
@@ -433,24 +450,23 @@ The result is stored as a string in the variable elopher-selector-string."
 (defun elopher-get-node-download ()
   (let* ((address (elopher-node-address elopher-current-node))
          (selector (elopher-address-selector address)))
-    (unwind-protect
-        (let* ((filename-proposal (file-name-nondirectory selector))
-               (filename (read-file-name "Save file as: "
-                                         nil nil nil
-                                         (if (> (length filename-proposal) 0)
-                                             filename-proposal
-                                           "gopher.file"))))
-          (message "Downloading...")
-          (setq elopher-download-filename filename)
-          (elopher-get-selector address
-                                (lambda (proc event)
-                                  (let ((coding-system-for-write 'binary))
-                                    (with-temp-file elopher-download-filename
-                                      (insert elopher-selector-string)))
+    (elopher-visit-parent-node) ; Do first in case of non-local exits.
+    (let* ((filename-proposal (file-name-nondirectory selector))
+           (filename (read-file-name "Save file as: "
+                                     nil nil nil
+                                     (if (> (length filename-proposal) 0)
+                                         filename-proposal
+                                       "gopher.file"))))
+      (message "Downloading...")
+      (setq elopher-download-filename filename)
+      (elopher-get-selector address
+                            (lambda (proc event)
+                              (let ((coding-system-for-write 'binary))
+                                (with-temp-file elopher-download-filename
+                                  (insert elopher-selector-string)
                                   (message (format "Download complate, saved to file %s."
-                                                   elopher-download-filename)))))
-      (elopher-visit-parent-node))))
-        
+                                                   elopher-download-filename)))))))))
+
 
 ;;; Navigation procedures
 ;;