From: plugd <plugd@thelambdalab.xyz>
Date: Wed, 14 Jul 2021 15:58:51 +0000 (+0200)
Subject: Made command completion extensible.
X-Git-Url: https://thelambdalab.xyz/gitweb/index.cgi?a=commitdiff_plain;h=79e36b9edd4ee40eb4c0c428f6433c80fcf9fec2;p=lurk.git

Made command completion extensible.
---

diff --git a/lurk.el b/lurk.el
index 2a95e48..45d9424 100644
--- a/lurk.el
+++ b/lurk.el
@@ -810,23 +810,38 @@ in which case they match anything.")
    lurk-autoreply-table))
 
 
-;;; Command entering
+;;; Commands
 ;;
 
 (defvar lurk-command-table
-  '(("DEBUG" "Toggle debug mode on/off." lurk-command-debug)
-    ("HEADER" "Toggle display of header." lurk-command-header)
-    ("CONNECT" "Connect to an IRC network." lurk-command-connect)
+  '(("DEBUG" "Toggle debug mode on/off." lurk-command-debug lurk-boolean-completions)
+    ("HEADER" "Toggle display of header." lurk-command-header lurk-boolean-completions)
+    ("CONNECT" "Connect to an IRC network." lurk-command-connect lurk-network-completions)
     ("TOPIC" "Set topic for current channel." lurk-command-topic)
     ("ME" "Display action." lurk-command-me)
     ("VERSION" "Request version of another user's client via CTCP." lurk-command-version)
-    ("PART" "Leave channel." lurk-command-part)
+    ("PART" "Leave channel." lurk-command-part lurk-context-completions)
     ("QUIT" "Disconnect from current network." lurk-command-quit)
     ("NICK" "Change nick." lurk-command-nick)
     ("LIST" "Display details of one or more channels." lurk-command-list)
-    ("MSG" "Send private message to user." lurk-command-msg))
+    ("MSG" "Send private message to user." lurk-command-msg lurk-nick-completions))
   "Table of commands explicitly supported by Lurk.")
 
+(defun lurk-boolean-completions ()
+  '("on" "off"))
+
+(defun lurk-network-completions ()
+  (mapcar (lambda (row) (car row)) lurk-networks))
+
+(defun lurk-nick-completions ()
+  (lurk-get-context-users lurk-current-context))
+
+(defun lurk-context-completions ()
+  (lurk-get-context-list))
+
+
+;;; Command entering
+;;
 
 (defun lurk-enter-string (string)
   (if (string-prefix-p "/" string)
@@ -944,6 +959,10 @@ in which case they match anything.")
         (lurk-display-message lurk-nick to text))
     (lurk-display-notice nil "Usage: /msg <nick> <message>")))
 
+
+;;; Command history
+;;
+
 (defvar lurk-history nil
   "Commands and messages sent in current session.")
 
@@ -981,6 +1000,7 @@ in which case they match anything.")
   (interactive)
   (lurk-history-cycle +1))
 
+
 ;;; Interactive functions
 ;;
 
@@ -1007,12 +1027,13 @@ in which case they match anything.")
   (let ((completion-ignore-case t))
     (when (and (>= (point) lurk-input-marker))
       (pcase (buffer-substring lurk-input-marker (point))
-        ((rx (: "/connect" (+ " ") (* (not whitespace)) string-end))
+        ((rx (: "/" (let cmd-str (+ (not whitespace))) (+ " ") (* (not whitespace)) string-end))
          (let ((space-idx (save-excursion
-                            (re-search-backward " " lurk-input-marker t))))
-           (completion-in-region (+ 1 space-idx)
-                                 (point)
-                                 (mapcar (lambda (row) (car row)) lurk-networks))))
+                            (re-search-backward " " lurk-input-marker t)))
+               (table-row (assoc (upcase cmd-str) lurk-command-table #'equal)))
+           (if (and table-row (elt table-row 3))
+               (let ((completions (funcall (elt table-row 3))))
+                 (completion-in-region (+ 1 space-idx) (point) completions)))))
         ((rx (: "/" (* (not whitespace)) string-end))
          (message (buffer-substring lurk-input-marker (point)))
          (completion-in-region lurk-input-marker (point)
@@ -1022,8 +1043,7 @@ in which case they match anything.")
          (let* ((end (max lurk-input-marker (point)))
                 (space-idx (save-excursion
                              (re-search-backward " " lurk-input-marker t)))
-                (start (if space-idx (+ 1 space-idx) lurk-input-marker))
-                (completion-ignore-case t))
+                (start (if space-idx (+ 1 space-idx) lurk-input-marker)))
            (unless (string-prefix-p "/" (buffer-substring start end))
              (completion-in-region start end (lurk-get-context-users lurk-current-context)))))))))