Graphviz.h

/*
 * Copyright (c) [2016-2019] SUSE LLC
 *
 * All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as published
 * by the Free Software Foundation.
 *
 * 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, contact Novell, Inc.
 *
 * To contact Novell about this file by physical or electronic mail, you may
 * find current contact information at www.novell.com.
 */
 
 
#ifndef STORAGE_GRAPHVIZ_H
#define STORAGE_GRAPHVIZ_H
 
 
#include <string>
#include <map>
 
 
namespace storage
{
 
    class Device;
    class Holder;
 

    enum class GraphvizFlags : unsigned int
    {
        NONE = 0,
        CLASSNAME = 1 << 0,
        PRETTY_CLASSNAME = 1 << 1,
        NAME = 1 << 2,
        SID = 1 << 3,
        SIZE = 1 << 4,
        ACTIVE = 1 << 5,
        IN_ETC = 1 << 6,
        DISPLAYNAME = 1 << 7
    };
 
 
    GraphvizFlags operator|(GraphvizFlags a, GraphvizFlags b);
    GraphvizFlags operator&(GraphvizFlags a, GraphvizFlags b);
 
    bool operator&&(GraphvizFlags a, GraphvizFlags b);
 

    class GraphStyleCallbacks
    {
    public:
 
        virtual ~GraphStyleCallbacks() {}

        virtual std::map<std::string, std::string> graph() = 0;

        virtual std::map<std::string, std::string> nodes() = 0;

        virtual std::map<std::string, std::string> edges() = 0;

        static std::string escape(const std::string&);
 
    };
 

    class DevicegraphStyleCallbacks : public GraphStyleCallbacks
    {
    public:
 
        virtual ~DevicegraphStyleCallbacks() {}

        virtual std::map<std::string, std::string> node(const Device* device) = 0;

        virtual std::map<std::string, std::string> edge(const Holder* holder) = 0;
 
    };
 

    class ActiongraphStyleCallbacks;
 

    DevicegraphStyleCallbacks* get_debug_devicegraph_style_callbacks();
 

    ActiongraphStyleCallbacks* get_debug_actiongraph_style_callbacks();
 
}
 
 
#endif