-(defvar elopher-image-buffer "")
-
-(defun elopher-image-filter (proc string)
- (setq elopher-image-buffer (concat elopher-image-buffer string)))
-
-(defun elopher-image-sentinel (proc event)
- (let ((inhibit-read-only t))
- (insert-image (create-image elopher-image-buffer))))
-
-(defun elopher-get-image (selector host port)
- (setq elopher-image-buffer "")
- (elopher-get-selector selector host port
- #'elopher-image-filter
- #'elopher-image-sentinel))
-
-;; Start page retrieval
-
-(defun elopher-get-start-page (&optional selector host port)
- "Display start page. SELECTOR, HOST and PORT are unused."
- (let ((inhibit-read-only t))
- (erase-buffer)
- (save-excursion
- (elopher-render-complete-records elopher-start-page))))
-
-;;; Navigation methods
+(defun elopher-get-image-node ()
+ (let ((content (elopher-node-content elopher-current-node))
+ (address (elopher-node-address elopher-current-node)))
+ (if content
+ (progn
+ (elopher-with-clean-buffer
+ (insert-image content))
+ (setq cursor-type nil)
+ (elopher-restore-pos))
+ (progn
+ (elopher-with-clean-buffer
+ (insert "LOADING IMAGE..."))
+ (elopher-get-selector address
+ (lambda (proc event)
+ (unless (string-prefix-p "deleted" event)
+ (let ((image (create-image
+ (string-as-unibyte elopher-selector-string)
+ nil t)))
+ (elopher-with-clean-buffer
+ (insert-image image))
+ (setq cursor-type nil)
+ (elopher-restore-pos)
+ (elopher-set-node-content elopher-current-node
+ image)))))))))
+
+;; Search retrieval
+
+(defun elopher-get-search-node ()
+ (let ((content (elopher-node-content elopher-current-node))
+ (address (elopher-node-address elopher-current-node))
+ (aborted t))
+ (if content
+ (progn
+ (elopher-with-clean-buffer
+ (insert content))
+ (elopher-restore-pos)
+ (message "Displaying cached search results. Reload to perform a new search."))
+ (unwind-protect
+ (let* ((query-string (read-string "Query: "))
+ (query-selector (concat (elopher-address-selector address) "\t" query-string))
+ (search-address (elopher-make-address query-selector
+ (elopher-address-host address)
+ (elopher-address-port address))))
+ (setq aborted nil)
+ (elopher-with-clean-buffer
+ (insert "LOADING RESULTS..."))
+ (elopher-get-selector search-address
+ (lambda (proc event)
+ (unless (string-prefix-p "deleted" event)
+ (elopher-with-clean-buffer
+ (elopher-insert-index elopher-selector-string))
+ (goto-char (point-min))
+ (elopher-set-node-content elopher-current-node
+ (buffer-string))))))
+ (if aborted
+ (elopher-visit-parent-node))))))
+
+;; Raw server response retrieval
+
+(defun elopher-get-node-raw ()
+ (let* ((content (elopher-node-content elopher-current-node))
+ (address (elopher-node-address elopher-current-node)))
+ (elopher-with-clean-buffer
+ (insert "LOADING RAW SERVER RESPONSE..."))
+ (if address
+ (elopher-get-selector address
+ (lambda (proc event)
+ (unless (string-prefix-p "deleted" event)
+ (elopher-with-clean-buffer
+ (insert elopher-selector-string))
+ (goto-char (point-min)))))
+ (progn
+ (elopher-with-clean-buffer
+ (insert elopher-start-index))
+ (goto-char (point-min)))))
+ (message "Displaying raw server response. Reload or redraw to return to standard view."))
+
+;; File export retrieval
+
+(defvar elopher-download-filename)
+
+(defun elopher-get-node-download ()
+ (let* ((address (elopher-node-address elopher-current-node))
+ (selector (elopher-address-selector address)))
+ (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)))))))))
+
+
+;;; Navigation procedures