1 files changed, 55 insertions, 0 deletions
diff --git a/toot/emojis.scm b/toot/emojis.scm
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+++ b/toot/emojis.scm
@@ -0,0 +1,55 @@
+;;; Toot --- Mastodon client.
+;;; Copyright © 2020 Masaya Tojo <masaya@tojo.tokyo>
+;;;
+;;; This file is part of Toot.
+;;;
+;;; Toot is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or
+;;; (at your option) any later version.
+;;;
+;;; Toot is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;;; General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with Toot.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (toot emojis)
+  #:use-module (srfi srfi-9)
+  #:use-module (srfi srfi-9 gnu)
+  #:use-module (srfi srfi-1)
+  #:use-module (ice-9 regex)
+  #:export (emoji-from-json
+            emoji?
+            emoji-static-url
+            emoji-shortcode
+            emoji-visible-in-picker?
+            emojis->regexp
+            emoji-find))
+
+(define-record-type <emoji>
+  (emoji-from-json json)
+  emoji?
+  (json emoji-json))
+
+(define (emoji-static-url emoji)
+  (assoc-ref (emoji-json emoji) "static_url"))
+
+(define (emoji-shortcode emoji)
+  (assoc-ref (emoji-json emoji) "shortcode"))
+
+(define (emoji-visible-in-picker? emoji)
+  (assoc-ref (emoji-json emoji) "visible_in_picker"))
+
+(define (emojis->regexp emojis)
+  (string-append ":("
+                 (string-join (map (compose regexp-quote emoji-shortcode)
+                                   emojis)
+                              "|")
+                 ":)"))
+
+(define (emoji-find emojis shortcode)
+  (find (lambda (emoji) (equal? shortcode (emoji-shortcode emoji)))
+        emojis))