From: Tim Vaughan Date: Sun, 8 Sep 2019 22:18:02 +0000 (+0200) Subject: Everything seems to be working again. X-Git-Tag: v2.0.0~21 X-Git-Url: https://thelambdalab.xyz/gitweb/index.cgi?a=commitdiff_plain;h=a19d312db54c43d354530177ce75f578394bf2e9;p=elpher.git Everything seems to be working again. --- diff --git a/elpher.el b/elpher.el index 7793a73..56f8e9b 100644 --- a/elpher.el +++ b/elpher.el @@ -83,11 +83,12 @@ ((gopher ?d) elpher-get-node-download "doc" elpher-binary) ((gopher ?P) elpher-get-node-download "doc" elpher-binary) ((gopher ?s) elpher-get-node-download "snd" elpher-binary) - ((gopher ?h) elpher-get-node-html "htm" elpher-html) + ((gopher ?h) elpher-get-url-node "htm" elpher-html) ((special bookmarks) elpher-get-bookmarks-node) ((special start) elpher-get-start-node)) "Association list from types to getters, margin codes and index faces.") + ;;; Customization group ;; @@ -175,27 +176,31 @@ allows switching from an encrypted channel back to plain text without user input (defun elpher-address-from-url (url-string) "Create a ADDRESS object corresponding to the given URL-STRING." - (let ((url (url-generic-parse-url url-string))) - (if (and (url-type url) - (url-host url)) - (let ((is-gopher (or (equal "gopher" (url-type url)) - (equal "gophers" (url-type url))))) - (setf (url-filename url) - (url-unhex-string (url-filename url))) - (when (string-empty-p (url-filename url)) - (if is-gopher - (setf (url-filename url) "1"))) - (unless (> (url-port url) 0) - (if is-gopher - (setf (url-port url) 70))) - url) - (error "Malformed URL" url)))) - -(defun elpher-make-gopher-address (type selector host port) + (let ((data (match-data))) ; Prevent parsing clobbering match data + (unwind-protect + (let ((url (url-generic-parse-url url-string))) + (if (and (url-type url) + (url-host url)) + (let ((is-gopher (or (equal "gopher" (url-type url)) + (equal "gophers" (url-type url))))) + (setf (url-filename url) + (url-unhex-string (url-filename url))) + (when (string-empty-p (url-filename url)) + (if is-gopher + (setf (url-filename url) "1"))) + (unless (> (url-port url) 0) + (if is-gopher + (setf (url-port url) 70))) + url) + (error "Malformed URL" url))) + (set-match-data data)))) + +(defun elpher-make-gopher-address (type selector host port &optional tls) "Create an ADDRESS object corresponding to the given gopher directory record attributes: TYPE, SELECTOR, HOST and PORT." (elpher-address-from-url - (concat "gopher://" host + (concat "gopher" (if tls "s" "") + "://" host ":" (number-to-string port) "/" (string type) selector))) @@ -204,10 +209,10 @@ attributes: TYPE, SELECTOR, HOST and PORT." "Create an ADDRESS object corresponding to the given special page symbol TYPE." type) -(defun elpher-address-to-url-string (address) +(defun elpher-address-to-url (address) "Get string representation of ADDRESS, or nil if ADDRESS is special." (if (not (elpher-address-special-p address)) - (url-encode-url (url-recreate address)) + (url-encode-url (url-recreate-url address)) nil)) (defun elpher-address-type (address) @@ -217,7 +222,7 @@ attributes: TYPE, SELECTOR, HOST and PORT." (let ((protocol (url-type address))) (cond ((or (equal protocol "gopher") (equal protocol "gophers")) - (list 'gopher (string-to-char (url-filename address)) ?1)) + (list 'gopher (string-to-char (substring (url-filename address) 1)))) ((string-equal protocol "gemini") 'gemini))))) @@ -226,12 +231,10 @@ attributes: TYPE, SELECTOR, HOST and PORT." nil (url-type address))) -(defun elpher-gopher-address-selector (address) - "Retrieve selector from ADDRESS object." - (let ((filename (url-filename address))) - (if (> (length filename) 0) - (substring filename 1) - ""))) +(defun elpher-address-filename (address) + (if (symbolp address) + nil + (url-filename address))) (defun elpher-address-host (address) "Retrieve host from ADDRESS object." @@ -245,6 +248,14 @@ attributes: TYPE, SELECTOR, HOST and PORT." "Return non-nil if ADDRESS object is special (e.g. start page, bookmarks page)." (symbolp address)) +(defun elpher-address-gopher-p (address) + "Return non-nill if ADDRESS object is a gopher address." + (memq (elpher-address-protocol address) '("gopher gophers"))) + +(defun elpher-gopher-address-selector (address) + "Retrieve gopher selector from ADDRESS object." + (substring (url-filename address) 2)) + ;; Node (defun elpher-make-node (display-string address &optional parent) @@ -428,7 +439,7 @@ away CRs and any terminating period." "Return a string containing the help text for a button corresponding to NODE." (let ((address (elpher-node-address node))) (if (equal (elpher-address-type address) '(gopher ?h)) - (let ((url (cadr (split-string (elpher-address-selector address) "URL:")))) + (let ((url (cadr (split-string (elpher-gopher-address-selector address) "URL:")))) (format "mouse-1, RET: open url '%s'" url)) (format "mouse-1, RET: open '%s' on %s port %s" (elpher-gopher-address-selector address) @@ -471,7 +482,7 @@ The contents of the record are dictated by DISPLAY-STRING and ADDRESS." (elpher-visit-node node))) -;;; Selector retrieval (all kinds) +;;; Gopher selector retrieval (all kinds) ;; (defun elpher-process-cleanup () @@ -529,7 +540,7 @@ up to the calling function." (error the-error) (elpher-with-clean-buffer (insert (propertize "\n---- ERROR -----\n\n" 'face 'error) - "Failed to connect to " (elpher-get-address-url address) ".\n" + "Failed to connect to " (elpher-address-to-url address) ".\n" (propertize "\n----------------\n\n" 'face 'error) "Press 'u' to return to the previous page."))))))) @@ -673,7 +684,7 @@ calls, as is necessary if the match is performed by `string-match'." (message "Displaying cached search results. Reload to perform a new search.")) (unwind-protect (let* ((query-string (read-string "Query: ")) - (query-selector (concat (elpher-address-selector address) "\t" query-string)) + (query-selector (concat (elpher-gopher-address-selector address) "\t" query-string)) (search-address (elpher-make-gopher-address ?1 query-selector (elpher-address-host address) @@ -715,7 +726,7 @@ calls, as is necessary if the match is performed by `string-match'." (defun elpher-get-node-download () "Getter which retrieves the current node and writes the result to a file." (let* ((address (elpher-node-address elpher-current-node)) - (selector (elpher-address-selector address))) + (selector (elpher-gopher-address-selector address))) (elpher-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: " @@ -749,7 +760,7 @@ calls, as is necessary if the match is performed by `string-match'." (defun elpher-get-url-node () "Getter which attempts to open the URL specified by the current node." (let* ((address (elpher-node-address elpher-current-node)) - (selector (elpher-address-selector address))) + (selector (elpher-gopher-address-selector address))) (let ((url (elt (split-string selector "URL:") 1))) (if url (progn @@ -865,11 +876,11 @@ calls, as is necessary if the match is performed by `string-match'." ;;; Bookmarks ;; -(defun elpher-make-bookmark (display-string address) +(defun elpher-make-bookmark (display-string url) "Make an elpher bookmark. DISPLAY-STRING determines how the bookmark will appear in the bookmark list, while ADDRESS is the address of the entry." - (list display-string address)) + (list display-string (elpher-address-to-url address))) (defun elpher-bookmark-display-string (bookmark) "Get the display string of BOOKMARK." @@ -879,46 +890,48 @@ bookmark list, while ADDRESS is the address of the entry." "Set the display string of BOOKMARK to DISPLAY-STRING." (setcar bookmark display-string)) -(defun elpher-bookmark-address (bookmark) +(defun elpher-bookmark-url (bookmark) "Get the address for BOOKMARK." (elt bookmark 1)) + (defun elpher-save-bookmarks (bookmarks) "Record the bookmark list BOOKMARKS to the user's bookmark file. Beware that this completely replaces the existing contents of the file." - (with-temp-file (locate-user-emacs-file "elpher-bookmarks") + (with-temp-file (locate-user-emacs-file "elpher2-bookmarks") (erase-buffer) - (insert "; Elpher gopher bookmarks file\n\n" - "; Bookmarks are stored as a list of (label (type selector host port))\n" - "; s-expressions, where type is stored as a character (i.e. 49 = ?1).\n" - "; Feel free to edit by hand, but ensure this structure remains intact.\n\n") + (insert "; Elpher bookmarks file\n\n" + "; Bookmarks are stored as a list of (label URL) items.\n" + "; Feel free to edit by hand, but take care to ensure\n" + "; the list structure remains intact.\n\n") (pp bookmarks (current-buffer)))) (defun elpher-load-bookmarks () "Get the list of bookmarks from the users's bookmark file." (with-temp-buffer (ignore-errors - (insert-file-contents (locate-user-emacs-file "elpher-bookmarks")) + (insert-file-contents (locate-user-emacs-file "elpher2-bookmarks")) (goto-char (point-min)) (read (current-buffer))))) (defun elpher-add-address-bookmark (address display-string) - "Save a bookmark for ADDRESS with label DISPLAY-STRING. + "Save a bookmark for ADDRESS with label DISPLAY-STRING.))) If ADDRESS is already bookmarked, update the label only." - (let ((bookmarks (elpher-load-bookmarks))) - (let ((existing-bookmark (rassoc (list address) bookmarks))) + (let ((bookmarks (elpher-load-bookmarks)) + (url (elpher-address-to-url address))) + (let ((existing-bookmark (rassoc (list url) bookmarks))) (if existing-bookmark (elpher-set-bookmark-display-string existing-bookmark display-string) - (add-to-list 'bookmarks (elpher-make-bookmark display-string address)))) + (add-to-list 'bookmarks (elpher-make-bookmark display-string url)))) (elpher-save-bookmarks bookmarks))) (defun elpher-remove-address-bookmark (address) "Remove any bookmark to ADDRESS." + (let ((url (elpher-address-to-url address))) (elpher-save-bookmarks (seq-filter (lambda (bookmark) - (not (equal (elpher-bookmark-address bookmark) address))) - (elpher-load-bookmarks)))) - + (not (equal (elpher-bookmark-url bookmark) url))) + (elpher-load-bookmarks))))) ;;; Interactive procedures ;; @@ -963,7 +976,7 @@ host, selector and port." (let ((address (elpher-node-address elpher-current-node))) (if (elpher-address-special-p address) (error "Command not valid for this page") - (let ((url (read-string "URL: " (elpher-get-address-url address)))) + (let ((url (read-string "URL: " (elpher-address-to-url address)))) (if (string-match elpher-url-regex url) (let ((new-node (elpher-make-node-from-matched-url url))) (unless (equal (elpher-node-address new-node) address) @@ -1065,7 +1078,7 @@ host, selector and port." (host (elpher-address-host address))) (if host (let ((host (elpher-address-host address)) - (selector (elpher-address-selector address)) + (selector (elpher-gopher-address-selector address)) (port (elpher-address-port address))) (if (> (length selector) 0) (let ((root-address (elpher-make-gopher-address ?1 "" host port))) @@ -1079,7 +1092,8 @@ host, selector and port." (defun elpher-bookmarks-current-p () "Return non-nil if current node is a bookmarks page." - (eq (elpher-address-type (elpher-node-address elpher-current-node)) 'bookmarks)) + (equal (elpher-address-type (elpher-node-address elpher-current-node)) + '(special bookmarks))) (defun elpher-reload-bookmarks () "Reload bookmarks if current node is a bookmarks page." @@ -1147,7 +1161,7 @@ host, selector and port." (address (elpher-node-address node))) (if (not (elpher-address-special-p address)) (message "`%s' on %s port %s" - (elpher-address-selector address) + (elpher-gopher-address-selector address) (elpher-address-host address) (elpher-address-port address)) (message "%s" display-string)))) @@ -1170,7 +1184,7 @@ host, selector and port." (let ((address (elpher-node-address node))) (if (elpher-address-special-p address) (error (format "Cannot represent %s as URL" (elpher-node-display-string node))) - (let ((url (elpher-get-address-url address))) + (let ((url (elpher-address-to-url address))) (message "Copied \"%s\" to kill-ring/clipboard." url) (kill-new url))))) @@ -1228,7 +1242,7 @@ host, selector and port." (when (fboundp 'evil-define-key) (evil-define-key 'motion map (kbd "TAB") 'elpher-next-link - (kbd "C-]") 'elpher-follow-current-link + (kbd "C-") 'elpher-follow-current-link (kbd "C-t") 'elpher-back (kbd "u") 'elpher-back (kbd "O") 'elpher-root-dir