From 0cb20ad67889291d000ea49f32a79d191d365e45 Mon Sep 17 00:00:00 2001 From: Tim Vaughan Date: Fri, 19 Jun 2020 01:24:03 +0200 Subject: [PATCH] Linting following refactor. --- elpher.el | 67 ++++++++++++++++++++++++++++++++++--------------------- 1 file changed, 41 insertions(+), 26 deletions(-) diff --git a/elpher.el b/elpher.el index 6827d0e..1641d6d 100644 --- a/elpher.el +++ b/elpher.el @@ -1,13 +1,13 @@ ;;; elpher.el --- A friendly gopher and gemini client -*- lexical-binding:t -*- -;; Copyright (C) 2019 Tim Vaughan +;; Copyright (C) 2019-2020 Tim Vaughan ;; Author: Tim Vaughan ;; Created: 11 April 2019 ;; Version: 2.7.11 ;; Keywords: comm gopher ;; Homepage: http://thelambdalab.xyz/elpher -;; Package-Requires: ((emacs "26")) +;; Package-Requires: ((emacs "26.1")) ;; This file is not part of GNU Emacs. @@ -508,7 +508,7 @@ If LINE is non-nil, replace that line instead." (let ((inhibit-read-only t)) (goto-char (point-min)) (if line - (goto-line line)) + (forward-line line)) (let ((data (match-data))) (unwind-protect (progn @@ -551,10 +551,39 @@ ERROR can be either an error object or a string." (propertize "\n----------------\n\n" 'face 'error) "Press 'u' to return to the previous page."))) + ;;; General network communication +;; + +(defvar elpher-network-timer nil + "Timer used for network connections.") + +(defvar elpher-use-tls nil + "If non-nil, use TLS to communicate with gopher servers.") + +(defun elpher-process-cleanup () + "Immediately shut down any extant elpher process and timers." + (let ((p (get-process "elpher-process"))) + (if p (delete-process p))) + (if (timerp elpher-network-timer) + (cancel-timer elpher-network-timer))) (defun elpher-get-host-response (address default-port query-string response-processor &optional use-tls force-ipv4) + "Generic function for retrieving data from ADDRESS. + +When ADDRESS lacks a specific port, DEFAULT-PORT is used instead. +QUERY-STRING is a string sent to the host specified by ADDRESS to +illicet a response. This response is passed as an argument to the +function RESPONSE-PROCESSOR. + +If non-nil, USE-TLS specifies that the connection is to be made over +TLS. If set to gemini, the certificate verification will be disabled +unless `elpher-gemini-TLS-cert-checks' is non-nil. + +If non-nil, FORCE-IPV4 causes the network connection to be made over +ipv4 only. (The default behaviour when this is not set depends on +the host operating system and the local network capabilities." (if (and use-tls (not (gnutls-available-p))) (error "Use of TLS requires Emacs to be compiled with GNU TLS support") (unless (< (elpher-address-port address) 65536) @@ -597,7 +626,7 @@ ERROR can be either an error object or a string." (not (eq use-tls 'gemini)) (or elpher-auto-disengage-TLS (y-or-n-p - "TLS connetion failed. Disable TLS mode and retry? "))) + "TLS connetion failed. Disable TLS mode and retry? "))) (setq elpher-use-tls nil) (elpher-get-host-response address default-port query-string @@ -616,11 +645,11 @@ ERROR can be either an error object or a string." (let ((new-hkbytes-received (/ bytes-received 102400))) (when (> new-hkbytes-received hkbytes-received) (setq hkbytes-received new-hkbytes-received) - (elpher-buffer-message + (elpher-buffer-message (concat "(" (number-to-string (/ hkbytes-received 10.0)) " MB read)") - 2))) + 1))) (setq response-string-parts (cons string response-string-parts)))) (set-process-sentinel proc @@ -631,7 +660,7 @@ ERROR can be either an error object or a string." (cond ((string-prefix-p "open" event) ; request URL (elpher-buffer-message - (concat "Connected to " host ". Receiving data...\n")) + (concat "Connected to " host ". Receiving data...")) (let ((inhibit-eol-conversion t)) (process-send-string proc query-string))) ((string-prefix-p "deleted" event)) ; do nothing @@ -650,7 +679,7 @@ ERROR can be either an error object or a string." (apply #'concat (reverse response-string-parts))) (elpher-restore-pos)) (t - (error "No response from server."))) + (error "No response from server"))) (error (elpher-network-error address the-error)))))) (error @@ -661,20 +690,8 @@ ERROR can be either an error object or a string." ;;; Gopher selector retrieval ;; -(defvar elpher-network-timer nil - "Timer used for network connections.") - -(defun elpher-process-cleanup () - "Immediately shut down any extant elpher process and timers." - (let ((p (get-process "elpher-process"))) - (if p (delete-process p))) - (if (timerp elpher-network-timer) - (cancel-timer elpher-network-timer))) - -(defvar elpher-use-tls nil - "If non-nil, use TLS to communicate with gopher servers.") - (defun elpher-get-gopher-response (address renderer) + "Get response string from gopher server at ADDRESS and render using RENDERER." (elpher-get-host-response address 70 (concat (elpher-gopher-address-selector address) "\r\n") renderer @@ -930,6 +947,7 @@ The response is rendered using the rendering function RENDERER." (defvar elpher-gemini-redirect-chain) (defun elpher-get-gemini-response (address renderer) + "Get response string from gemini server at ADDRESS and render using RENDERER." (elpher-get-host-response address 1965 (concat (elpher-address-to-url address) "\r\n") (lambda (response-string) @@ -1186,12 +1204,9 @@ width defined by elpher-gemini-max-fill-width." ;; Finger page connection -(defun elpher-get-finger-page (renderer &optional force-ipv4) +(defun elpher-get-finger-page (renderer) "Opens a finger connection to the current page address. -The result is rendered using RENDERER. When the optional argument -FORCE-IPV4 or the variable `elpher-ipv4-always' are non-nil, the -IPv4 address returned by a DNS lookup will be used explicitly in -making the connection." +The result is rendered using RENDERER." (let* ((address (elpher-page-address elpher-current-page)) (content (elpher-get-cached-content address))) (if (and content (funcall renderer nil)) -- 2.20.1