branch: externals/org
commit 55e8068d6910f2457eb9369171ec8aa91930d270
Author: bruno <[email protected]>
Commit: Ihor Radchenko <[email protected]>

    ol: Add support for shortdoc link type
    
    * lisp/ol.el (org-link--open-shortdoc org-link--store-shortdoc)
    (org-link--complete-shortdoc): Add support for storing and inserting links
    to `shortdoc' documentation groups for Emacs Lisp functions.
    * doc/org-manual.org (External Links): Add shortdoc link type
    documentation.
    * etc/ORG-NEWS (=ol.el=: Support for =shortdoc= link type): Document
    the new feature.
---
 doc/org-manual.org | 11 +++++++++++
 etc/ORG-NEWS       |  6 ++++++
 lisp/ol.el         | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 63 insertions(+)

diff --git a/doc/org-manual.org b/doc/org-manual.org
index 170eea506a..9121631759 100644
--- a/doc/org-manual.org
+++ b/doc/org-manual.org
@@ -3393,6 +3393,15 @@ Here is the full set of built-in link types:
 
   Execute a shell command upon activation.
 
+- =shortdoc= ::
+
+  Link to short documentation summary for an Emacs Lisp function group.
+  [fn::You can run =M-x shortdoc-display-group= to list all known
+  documentation groups.]
+
+  For more information, see [[info:emacs#Name Help][Name Help]]
+  and [[info:elisp#Documentation Groups][Documentation Groups]].
+
 
 For =file:= and =id:= links, you can additionally specify a line
 number, or a text search string, separated by =::=.  In Org files, you
@@ -3434,6 +3443,8 @@ options:
 | irc        | =irc:/irc.com/#emacs/bob=                                       
   |
 | help       | =help:org-store-link=                                           
   |
 | info       | =info:org#External links=                                       
   |
+| shortdoc   | =shortdoc:text-properties=                                      
   |
+|            | =shortdoc:text-properties::#get-pos-property=                   
   |
 | shell      | =shell:ls *.org=                                                
   |
 | elisp      | =elisp:(find-file "Elisp.org")= (Elisp form to evaluate)        
   |
 |            | =elisp:org-agenda= (interactive Elisp command)                  
   |
diff --git a/etc/ORG-NEWS b/etc/ORG-NEWS
index 4b0b77ca89..95e5ec5699 100644
--- a/etc/ORG-NEWS
+++ b/etc/ORG-NEWS
@@ -23,6 +23,12 @@ Please send Org bug reports to mailto:[email protected].
 # We list the most important features, and the features that may
 # require user action to be used.
 
+** =ol.el=: New =shortdoc= link type
+
+You can now create links to =shortdoc= documentation groups for Emacs
+Lisp functions (see =M-x shortdoc-display-group=).  Requires Emacs 28
+or newer.
+
 ** New and changed options
 
 # Chanes deadling with changing default values of customizations,
diff --git a/lisp/ol.el b/lisp/ol.el
index 20f1b89c06..6e6bc74dcb 100644
--- a/lisp/ol.el
+++ b/lisp/ol.el
@@ -1582,6 +1582,52 @@ PATH is a symbol name, as a string."
                          :follow #'org-link--open-help
                          :store #'org-link--store-help)
 
+(defvar shortdoc--groups)
+(declare-function shortdoc-display-group "shortdoc"
+                  (group &optional function same-window))
+(defun org-link--open-shortdoc (path _)
+  "Open a \"shortdoc\" type link.
+PATH is a group name, \"group::#function\" or \"group::search
+string\"."
+  (string-match "\\`\\([^:]*\\)\\(?:::\\(.*\\)\\'\\)?" path)
+  (let* ((group (match-string 1 path))
+         (str (match-string 2 path))
+         (fn (and str
+                  (eq ?# (string-to-char str))
+                  (intern-soft (substring str 1)))))
+    (condition-case nil
+        (progn
+          (shortdoc-display-group group fn)
+          (and str (not fn) (search-forward str nil t)))
+      (error (user-error "Unknown shortdoc group or malformed link: `%s'"
+                         path)))))
+
+(defun org-link--store-shortdoc (&optional _interactive?)
+  "Store \"shortdoc\" type link."
+  (when (derived-mode-p 'org-mode)
+    (let* ((buffer (buffer-name))
+           (group (when (string-match "*Shortdoc \\(.*\\)\\*" buffer)
+                    (match-string 1 buffer))))
+      (if (and group (assoc (intern-soft group) shortdoc--groups))
+          (org-link-store-props :type "shortdoc"
+                                :link (format "shortdoc:%s" group)
+                                :description nil)
+        (user-error "Unknown shortdoc group: %s" group)))))
+
+(defun org-link--complete-shortdoc ()
+  "Create a \"shortdoc\" link using completion."
+  (concat "shortdoc:"
+          (completing-read "Shortdoc summary for functions in: "
+                           (mapcar #'car shortdoc--groups))))
+
+;; FIXME: Remove the condition when we drop Emacs 27 support.
+;;;; "shortdoc" link type
+(when (version<= "28.0.90" emacs-version)
+  (org-link-set-parameters "shortdoc"
+                           :follow #'org-link--open-shortdoc
+                           :store #'org-link--store-shortdoc
+                           :complete #'org-link--complete-shortdoc))
+
 ;;;; "http", "https", "mailto", "ftp", and "news" link types
 (dolist (scheme '("ftp" "http" "https" "mailto" "news"))
   (org-link-set-parameters scheme

Reply via email to