❤️ 完整开源界面和内核 https://github.com/siyuan-note/siyuan/issues/5013

kernel/treenode/marker.go

@@ -0,0 +1,47 @@
+// SiYuan - Build Your Eternal Digital Garden
+// Copyright (c) 2020-present, b3log.org
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program 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 Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package treenode
+
+import (
+	"github.com/88250/lute/lex"
+	"github.com/siyuan-note/siyuan/kernel/util"
+)
+
+func ContainsMarker(str string) bool {
+	if !util.IsASCII(str) {
+		return false
+	}
+
+	for _, token := range str {
+		if IsMarker(byte(token)) {
+			return true
+		}
+	}
+	return false
+}
+
+func IsMarker(token byte) bool {
+	switch token {
+	case lex.ItemAsterisk, lex.ItemUnderscore, lex.ItemOpenBracket, lex.ItemBang, lex.ItemNewline, lex.ItemBackslash, lex.ItemBacktick, lex.ItemLess,
+		lex.ItemCloseBracket, lex.ItemAmpersand, lex.ItemTilde, lex.ItemDollar, lex.ItemOpenBrace, lex.ItemOpenParen, lex.ItemEqual, lex.ItemCrosshatch:
+		return true
+	case lex.ItemCaret:
+		return true
+	default:
+		return false
+	}
+}