add script to compile a list of emoji SVG files and their names

emoji/compile-file-list.sh

@@ -0,0 +1,75 @@
+#!/bin/mksh
+#-
+# Copyright © 2018
+#	mirabilos <thorsten.glaser@teckids.org>
+#
+# Provided that these terms and disclaimer and all copyright notices
+# are retained or reproduced in an accompanying document, permission
+# is granted to deal in this work without restriction, including un‐
+# limited rights to use, publicly perform, distribute, sell, modify,
+# merge, give away, or sublicence.
+#
+# This work is provided “AS IS” and WITHOUT WARRANTY of any kind, to
+# the utmost extent permitted by applicable law, neither express nor
+# implied; without malicious intent or gross negligence. In no event
+# may a licensor, author or contributor be held liable for indirect,
+# direct, other damage, loss, or other issues arising in any way out
+# of dealing in the work, even if advised of the possibility of such
+# damage or existence of a defect, except proven that it results out
+# of said person’s immediate fault when using the work as intended.
+#-
+# Needs the Debian packages mksh and unicode-data installed.
+
+cd "$(dirname "$0")"
+srcpath=../themes/material/img/emojis/svg
+
+cd "$srcpath"
+set -A files -- *.svg
+cd "$OLDPWD"
+
+cat >CompiledEmoji.php <<\EOF
+<?php
+
+/* GENERATED FILE, DO NOT EDIT! */
+
+return array(
+EOF
+
+tee x | php >>CompiledEmoji.php |&
+print -pr -- '<?php
+	$u = array();'
+typeset -l codepoint
+while IFS=';' read codepoint name rest; do
+	[[ $name = *\<* ]] && continue
+	print -pr -- "\$u['${codepoint##*(0)}'] = '$name';"
+done </usr/share/unicode/UnicodeData.txt
+print -pr -- '
+	function lookup($name) {
+		global $u;
+		$x = "";
+		$s = "";
+		foreach (explode("-", $name) as $cp) {
+			if (isset($u[$cp]))
+				$x .= $s . $u[$cp];
+			else
+				$x .= $x . sprintf("<U%04X>", hexdec($cp));
+			$s = " + ";
+		}
+		return $x;
+	}
+	function handle($name) {
+		printf("\t\"%s\" => \"%s\",\n", $name, lookup($name));
+	}
+'
+for ff in "${files[@]}"; do
+	f=${ff%.svg}
+	if [[ $f != +([0-9a-f-]) ]]; then
+		print -ru2 -- "W: source file $ff does not match pattern!"
+		continue
+	fi
+	print -pr -- "handle('$f');"
+done
+exec 3>&p
+exec 3>&-
+wait
+echo ");" >>CompiledEmoji.php