diff options
author | marty hiatt <martianhiatus [a t] riseup [d o t] net> | 2022-08-26 18:02:22 +0200 |
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committer | marty hiatt <martianhiatus [a t] riseup [d o t] net> | 2022-08-26 18:18:20 +0200 |
commit | 7b09ea3957feeeb5c13663261893cca48fceb805 (patch) | |
tree | 97bb8bcf88b787a24e34a9f0b98225f0edb819f0 /lisp/mastodon-toot.el | |
parent | e620ef7cd4ff10a78334cd5e4293756e33f58f71 (diff) |
refactor completion functions for two backends
Diffstat (limited to 'lisp/mastodon-toot.el')
-rw-r--r-- | lisp/mastodon-toot.el | 137 |
1 files changed, 82 insertions, 55 deletions
diff --git a/lisp/mastodon-toot.el b/lisp/mastodon-toot.el index b33350d..9abbb62 100644 --- a/lisp/mastodon-toot.el +++ b/lisp/mastodon-toot.el @@ -613,17 +613,6 @@ eg. \"feduser@fed.social\" -> \"feduser@fed.social\"." "Format company completion CANDIDATE's annotation." (format " %s" (get-text-property 0 'annot candidate))) -(defun mastodon-toot--mentions-company-candidates (prefix) - "Given a company PREFIX query, build a list of candidates. -The prefix can match against both user handles and display names." - (let ((prefix (substring prefix 1)) ;remove @ for search - (res)) - (dolist (item (mastodon-search--search-accounts-query prefix)) - (when (or (string-prefix-p prefix (substring (cadr item) 1) t) - (string-prefix-p prefix (car item) t)) - (push (mastodon-toot--mentions-company-make-candidate item) res))) - res)) - (defun mastodon-toot--mentions-company-make-candidate (candidate) "Construct a company completion CANDIDATE for display." (let ((display-name (car candidate)) @@ -631,62 +620,100 @@ The prefix can match against both user handles and display names." (url (caddr candidate))) (propertize handle 'annot display-name 'meta url))) -(defun mastodon-toot-mentions (command &optional arg &rest ignored) - "A company completion backend for toot mentions. +(defun mastodon-toot--tags-company-make-candidate (candidate) + "Construct a company completion CANDIDATE for display." + (let ((tag (concat "#" (car candidate))) + (url (cadr candidate))) + (propertize tag 'annot url 'meta url))) + +(defun mastodon-toot--company-build-candidates (query list-fun make-fun) + "Build a list of completion candidates for a company backend. +QUERY is the search prefix, LIST-FUN builds a list of items to +match against, and MAKE-FUN builds the actual cadidate list item +for display by company." + (let ((query (substring query 1)) ; remove @ or # for search + (res)) + (dolist (item (funcall list-fun query)) + (when (or (string-prefix-p query (substring (cadr item) 1) t) + (string-prefix-p query (car item) t)) + (push (funcall make-fun item) res))) + res)) + +(defun mastodon-toot--mentions-company-candidates (query) + "Given a company QUERY, build a list of candidates. +The query can match both user handles and display names." + (mastodon-toot--company-build-candidates + query + 'mastodon-search--search-accounts-query + 'mastodon-toot--mentions-company-make-candidate)) + +(defun mastodon-toot--tags-company-candidates (query) + "Given a company QUERY, build a list of candidates. +The query is matched against a tag search on the server." + (mastodon-toot--company-build-candidates + query + 'mastodon-search--search-tags-query + 'mastodon-toot--tags-company-make-candidate)) + +(defun mastodon-toot--make-company-backend + (command backend-name str-prefix candidates-fun annot-fun meta-fun + &optional arg + &rest ignored) + "Make a company backend for `mastodon-toot-mode'. +COMMAND, ARG, IGNORED are all company backend args. COMMAND is either prefix, to fetch a prefix query, candidates, to build a list of candidates with query ARG, annotation, to format an annotation for candidate ARG, or meta, to format meta info for -candidate ARG. IGNORED remains a mystery." +candidate ARG. IGNORED remains a mystery. + +BACKEND-NAME is the backend's name, STR-PREFIX is used to search +for matches, CANDIDATES-FUN, ANNOT-FUN, and META-FUN are +functions called on ARG to generate formatted candidates, annotation, and +meta fields respectively." (interactive (list 'interactive)) (cl-case command - (interactive (company-begin-backend 'mastodon-toot-mentions)) + (interactive (company-begin-backend (quote backend-name))) (prefix (when (and (bound-and-true-p mastodon-toot-mode) ; if masto toot minor mode (save-excursion (forward-whitespace -1) (forward-whitespace 1) - (looking-at "@"))) - ;; @ + thing before point - (concat "@" (company-grab-symbol)))) - (candidates (mastodon-toot--mentions-company-candidates arg)) - (annotation (mastodon-toot--mentions-company-annotation arg)) - (meta (mastodon-toot--mentions-company-meta arg)))) - -(defun mastodon-toot--tags-company-candidates (prefix) - "Given a company PREFIX query, build a list of candidates. -The prefix can match against both user handles and display names." - (let ((prefix (substring prefix 1)) ;remove # for search - (res)) - (dolist (item (mastodon-search--search-tags-query prefix)) - (when (or (string-prefix-p prefix (substring (cadr item) 1) t) - (string-prefix-p prefix (car item) t)) - (push (mastodon-toot--tags-company-make-candidate item) res))) - res)) + (looking-at str-prefix))) + (concat str-prefix (company-grab-symbol)))) + (candidates (funcall candidates-fun arg)) + (annotation (funcall annot-fun arg)) + (meta (funcall meta-fun arg)))) -(defun mastodon-toot--tags-company-make-candidate (candidate) - "Construct a company completion CANDIDATE for display." - (let ((tag (concat "#" (car candidate))) - (url (cadr candidate))) - (propertize tag 'annot url 'meta url))) +(defun mastodon-toot-mentions (command &optional arg &rest ignored) + "A company completion backend for toot mentions. +COMMAND is either prefix, to fetch a prefix query, candidates, to +build a list of candidates with query ARG, annotation, to format +an annotation for candidate ARG, or meta, to format meta info for +candidate ARG. IGNORED remains a mystery." + (mastodon-toot--make-company-backend + command + 'mastodon-toot-mentions + "@" + 'mastodon-toot--mentions-company-candidates + 'mastodon-toot--mentions-company-annotation + 'mastodon-toot--mentions-company-meta + arg + ignored)) (defun mastodon-toot-tags (command &optional arg &rest ignored) - "A company completion backend for toot mentions. + "A company completion backend for toot tags. COMMAND is either prefix, to fetch a prefix query, candidates, to build a list of candidates with query ARG, annotation, to format an annotation for candidate ARG, or meta, to format meta info for candidate ARG. IGNORED remains a mystery." - (interactive (list 'interactive)) - (cl-case command - (interactive (company-begin-backend 'mastodon-toot-tags)) - (prefix (when (and (bound-and-true-p mastodon-toot-mode) ; if masto toot minor mode - (save-excursion - (forward-whitespace -1) - (forward-whitespace 1) - (looking-at "#"))) - ;; # + thing before point - (concat "#" (company-grab-symbol)))) - (candidates (mastodon-toot--tags-company-candidates arg)) - (annotation (mastodon-toot--mentions-company-annotation arg)) - (meta (mastodon-toot--mentions-company-meta arg)))) + (mastodon-toot--make-company-backend + command + 'mastodon-toot-tags + "#" + 'mastodon-toot--tags-company-candidates + 'mastodon-toot--mentions-company-annotation + 'mastodon-toot--mentions-company-meta + arg + ignored)) (defun mastodon-toot--reply () "Reply to toot at `point'." @@ -1008,11 +1035,11 @@ REPLY-JSON is the full JSON of the toot being replied to." (unless mastodon-toot--max-toot-chars (mastodon-toot--get-max-toot-chars)) (when (require 'company nil :noerror) - (when mastodon-toot--enable-completion-for-mentions + (when mastodon-toot--enable-completion (set (make-local-variable 'company-backends) - (add-to-list 'company-backends 'mastodon-toot-mentions) - (add-to-list 'company-backends 'mastodon-toot-tags)) - (company-mode-on))) + (add-to-list 'company-backends 'mastodon-toot-mentions)) + (add-to-list 'company-backends 'mastodon-toot-tags)) + (company-mode-on)) (make-local-variable 'after-change-functions) (push #'mastodon-toot--update-status-fields after-change-functions) (mastodon-toot--refresh-attachments-display) |