add: some codes about nodes plugin.

app/node/plugins/CMakeLists.txt

@@ -0,0 +1,22 @@
+# Olive - Non-Linear Video Editor
+# Copyright (C) 2022 Olive Team
+#
+# 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 <http://www.gnu.org/licenses/>.
+
+set(OLIVE_SOURCES
+        ${OLIVE_SOURCES}
+        node/plugins/Plugin.h
+        node/plugins/Plugin.cpp
+        PARENT_SCOPE
+)

app/node/plugins/Plugin.cpp

@@ -0,0 +1,46 @@
+//
+// Created by katherinesolar on 25-8-3.
+//
+
+#include "Plugin.h"
+QString olive::plugin::PluginNode::Name() const
+{
+	if (methods.name) {
+		char buffer[64]={0};
+		bool ok=methods.name(buffer, 64);
+		if (ok) {
+			return QString(buffer);
+		}
+	}
+	return "";
+}
+
+QString olive::plugin::PluginNode::Description() const
+{
+	if (methods.description) {
+		char buffer[1024] = { 0 };
+		bool ok = methods.description(buffer, 1024);
+		if (ok) {
+			return QString(buffer);
+		}
+	}
+	return "";
+}
+void olive::plugin::PluginNode::Value(const NodeValueRow &value,
+									  const NodeGlobals &globals,
+									  NodeValueTable *table) const
+{
+	methods.value(&node_ctx_functions);
+}
+
+QString olive::plugin::PluginNode::id() const
+{
+	if (methods.id) {
+		char buffer[64]={0};
+		bool ok=methods.id(buffer, 64);
+		if (ok) {
+			return QString(buffer);
+		}
+	}
+	return "";
+}

app/node/plugins/Plugin.h

@@ -0,0 +1,44 @@
+//
+// Created by katherinesolar on 25-8-3.
+//
+
+#ifndef PLUGIN_H
+#define PLUGIN_H
+#include "node/node.h"
+#include "pluginSupport/Plugin.h"
+#include "pluginSupport/olive_plugin.h"
+namespace olive
+{
+namespace plugin
+{
+
+class PluginNode : public olive::Node{
+public:
+	PluginNode():Node()
+	{
+		memset(&methods, 0, sizeof(olive_node_methods));
+	};
+	explicit PluginNode(struct olive_node_methods methods):Node()
+	{
+		this->methods=methods;
+	}
+	void setMethods(struct olive_node_methods methods)
+	{
+		this->methods=methods;
+	}
+	QString Name() const override;
+	QString id() const override;
+	QVector<CategoryID> Category() const override;
+	QString Description() const override;
+	void Value(const NodeValueRow &value,
+		const NodeGlobals &globals, NodeValueTable *table) const override;
+private:
+	struct olive_node_methods methods;
+
+};
+
+}
+}
+
+
+#endif //PLUGIN_H