X-Git-Url: https://thelambdalab.xyz/gitweb/index.cgi?p=elpher.git;a=blobdiff_plain;f=elpher.el;h=fcdd9f4d5c7c953aa38e0c63ef99d335a7194b81;hp=eaabec59d00a4dbcabea3b47e7d07d93575001c2;hb=e2d59f11515f2879bdc2675528b74fbb9b802bea;hpb=d96f3d24cd4a77e7c7d154a0df1b9e1e54a2a6e9

diff --git a/elpher.el b/elpher.el
index eaabec5..fcdd9f4 100644
--- a/elpher.el
+++ b/elpher.el
@@ -4,7 +4,7 @@
 
 ;; Author: Tim Vaughan <tgvaughan@gmail.com>
 ;; Created: 11 April 2019
-;; Version: 2.3.3
+;; Version: 2.3.5
 ;; Keywords: comm gopher
 ;; Homepage: https://github.com/tgvaughan/elpher
 ;; Package-Requires: ((emacs "26"))
@@ -65,7 +65,7 @@
 ;;; Global constants
 ;;
 
-(defconst elpher-version "2.3.3"
+(defconst elpher-version "2.3.5"
   "Current version of elpher.")
 
 (defconst elpher-margin-width 6
@@ -472,7 +472,7 @@ away CRs and any terminating period."
   (elpher-with-clean-buffer
    (insert (propertize "\n---- ERROR -----\n\n" 'face 'error)
            "When attempting to retrieve " (elpher-address-to-url address) ":\n"
-           (error-message-string error) ".\n"
+           (error-message-string error) "\n"
            (propertize "\n----------------\n\n" 'face 'error)
            "Press 'u' to return to the previous page.")))
 
@@ -518,8 +518,9 @@ up to the calling function."
                               (setq elpher-selector-string
                                     (concat elpher-selector-string string))))
         (set-process-sentinel proc after)
-        (process-send-string proc
-                             (concat (elpher-gopher-address-selector address) "\n")))
+        (let ((inhibit-eol-conversion t))
+          (process-send-string proc
+                               (concat (elpher-gopher-address-selector address) "\r\n"))))
     (error
      (if (and (consp the-error)
               (eq (car the-error) 'gnutls-error)
@@ -653,7 +654,7 @@ If ADDRESS is not supplied or nil the record is rendered as an
     (insert string)
     (goto-char (point-min))
     (while (re-search-forward elpher-url-regex nil t)
-      (let ((node (elpher-make-node (match-string 0)
+      (let ((node (elpher-make-node (substring-no-properties (match-string 0))
                                     (elpher-address-from-url (match-string 0)))))
           (make-text-button (match-beginning 0)
                             (match-end 0)
@@ -775,7 +776,7 @@ The response is rendered using the rendering function RENDERER."
 The response is stored in the variable ‘elpher-gemini-response’."
   (setq elpher-gemini-response "")
   (if (not (gnutls-available-p))
-      (error "Cannot retrieve TLS selector: GnuTLS not available")
+      (error "Cannot establish gemini connection: GnuTLS not available")
     (condition-case the-error
         (let* ((kill-buffer-query-functions nil)
                (proc (open-network-stream "elpher-process"
@@ -789,8 +790,9 @@ The response is stored in the variable ‘elpher-gemini-response’."
                                 (setq elpher-gemini-response
                                       (concat elpher-gemini-response string))))
           (set-process-sentinel proc after)
-          (process-send-string proc
-                               (concat (elpher-address-to-url address) "\r\n")))
+          (let ((inhibit-eol-conversion t))
+            (process-send-string proc
+                                 (concat (elpher-address-to-url address) "\r\n"))))
       (error
        (error "Error initiating connection to server")))))
 
@@ -922,6 +924,19 @@ The response is assumed to be in the variable `elpher-gemini-response'."
         (string-trim (substring rest (+ idx 1)))
       "")))
 
+(defun elpher-collapse-dot-sequences (filename)
+  "Collapse dot sequences in FILENAME.
+For instance, the filename /a/b/../c/./d will reduce to /a/c/d"
+  (let* ((path (split-string filename "/"))
+         (path-reversed-normalized
+          (seq-reduce (lambda (a b)
+                        (cond ((and a (equal b "..") (cdr a)))
+                              ((and (not a) (equal b "..")) a) ;leading .. are dropped
+                              ((equal b ".") a)
+                              (t (cons b a))))
+                      path nil)))
+    (string-join (reverse path-reversed-normalized) "/")))
+
 (defun elpher-address-from-gemini-url (url)
   "Extract address from URL with defaults as per gemini map files."
   (let ((address (url-generic-parse-url url)))
@@ -935,7 +950,10 @@ The response is assumed to be in the variable `elpher-gemini-response'."
                          (url-filename (elpher-node-address elpher-current-node)))
                         (url-filename address)))))
       (unless (url-type address)
-        (setf (url-type address) "gemini")))
+        (setf (url-type address) "gemini"))
+      (if (equal (url-type address) "gemini")
+          (setf (url-filename address)
+                (elpher-collapse-dot-sequences (url-filename address)))))
     address))
 
 (defun elpher-render-gemini-map (data _parameters)
@@ -1194,7 +1212,7 @@ If ADDRESS is already bookmarked, update the label only."
     (message "No current site.")))
 
 (defun elpher-toggle-tls ()
-  "Toggle TLS encryption mode."
+  "Toggle TLS encryption mode for gopher."
   (interactive)
   (setq elpher-use-tls (not elpher-use-tls))
   (if elpher-use-tls
@@ -1357,7 +1375,7 @@ If ADDRESS is already bookmarked, update the label only."
         (address (elpher-node-address node)))
     (if (elpher-address-special-p address)
         (message "Special page: %s" display-string)
-      (message (elpher-address-to-url address)))))
+      (message "%s" (elpher-address-to-url address)))))
 
 (defun elpher-info-link ()
   "Display information on node corresponding to link at point."