4 files changed, 181 insertions, 0 deletions
diff --git a/meshmc/launcher/pathmatcher/FSTreeMatcher.h b/meshmc/launcher/pathmatcher/FSTreeMatcher.h
new file mode 100644
index 0000000000..8064694a1d
--- /dev/null
+++ b/meshmc/launcher/pathmatcher/FSTreeMatcher.h
@@ -0,0 +1,40 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program 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.
+ *
+ *   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 General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "IPathMatcher.h"
+#include <SeparatorPrefixTree.h>
+#include <QRegularExpression>
+
+class FSTreeMatcher : public IPathMatcher
+{
+  public:
+	virtual ~FSTreeMatcher() {};
+	FSTreeMatcher(SeparatorPrefixTree<'/'>& tree) : m_fsTree(tree) {}
+
+	bool matches(const QString& string) const override
+	{
+		return m_fsTree.covers(string);
+	}
+
+	SeparatorPrefixTree<'/'>& m_fsTree;
+};
diff --git a/meshmc/launcher/pathmatcher/IPathMatcher.h b/meshmc/launcher/pathmatcher/IPathMatcher.h
new file mode 100644
index 0000000000..38694c67a6
--- /dev/null
+++ b/meshmc/launcher/pathmatcher/IPathMatcher.h
@@ -0,0 +1,34 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program 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.
+ *
+ *   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 General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+#include <memory>
+#include <QString>
+
+class IPathMatcher
+{
+  public:
+	typedef std::shared_ptr<IPathMatcher> Ptr;
+
+  public:
+	virtual ~IPathMatcher() {};
+	virtual bool matches(const QString& string) const = 0;
+};
diff --git a/meshmc/launcher/pathmatcher/MultiMatcher.h b/meshmc/launcher/pathmatcher/MultiMatcher.h
new file mode 100644
index 0000000000..aa1a3be070
--- /dev/null
+++ b/meshmc/launcher/pathmatcher/MultiMatcher.h
@@ -0,0 +1,48 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program 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.
+ *
+ *   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 General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "IPathMatcher.h"
+#include <SeparatorPrefixTree.h>
+#include <QRegularExpression>
+
+class MultiMatcher : public IPathMatcher
+{
+  public:
+	virtual ~MultiMatcher() {};
+	MultiMatcher() {}
+	MultiMatcher& add(Ptr add)
+	{
+		m_matchers.append(add);
+		return *this;
+	}
+
+	virtual bool matches(const QString& string) const override
+	{
+		for (auto iter : m_matchers) {
+			if (iter->matches(string)) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+	QList<Ptr> m_matchers;
+};
diff --git a/meshmc/launcher/pathmatcher/RegexpMatcher.h b/meshmc/launcher/pathmatcher/RegexpMatcher.h
new file mode 100644
index 0000000000..29f0e47a4d
--- /dev/null
+++ b/meshmc/launcher/pathmatcher/RegexpMatcher.h
@@ -0,0 +1,59 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program 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.
+ *
+ *   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 General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "IPathMatcher.h"
+#include <QRegularExpression>
+
+class RegexpMatcher : public IPathMatcher
+{
+  public:
+	virtual ~RegexpMatcher() {};
+	RegexpMatcher(const QString& regexp)
+	{
+		m_regexp.setPattern(regexp);
+		m_onlyFilenamePart = !regexp.contains('/');
+	}
+
+	RegexpMatcher& caseSensitive(bool cs = true)
+	{
+		if (cs) {
+			m_regexp.setPatternOptions(
+				QRegularExpression::CaseInsensitiveOption);
+		} else {
+			m_regexp.setPatternOptions(QRegularExpression::NoPatternOption);
+		}
+		return *this;
+	}
+
+	virtual bool matches(const QString& string) const override
+	{
+		if (m_onlyFilenamePart) {
+			auto slash = string.lastIndexOf('/');
+			if (slash != -1) {
+				auto part = string.mid(slash + 1);
+				return m_regexp.match(part).hasMatch();
+			}
+		}
+		return m_regexp.match(string).hasMatch();
+	}
+	QRegularExpression m_regexp;
+	bool m_onlyFilenamePart = false;
+};