mods.h

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// Luanti
// SPDX-License-Identifier: LGPL-2.1-or-later
// Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
 
#pragma once
 
#include <vector>
#include <string>
#include <map>
#include <unordered_set>
#include "metadata.h"
 
class ModStorageDatabase;
 
#define MODNAME_ALLOWED_CHARS "abcdefghijklmnopqrstuvwxyz0123456789_"
 
struct ModSpec
{
        bool is_name_explicit = false; //< 'Specified in a .conf file?'
        std::string name;
        std::string author;
        std::string path; // absolute path on disk
        std::string desc;
        int release = 0;
 
        // if normal mod:
        std::unordered_set<std::string> depends;
        std::unordered_set<std::string> optdepends;
        std::unordered_set<std::string> unsatisfied_depends;
 
        int modpack_depth = 0; //< Modpack depth, 0 = no parent modpack
        bool is_modpack = false;
 
        std::string virtual_path;
 
        // For logging purposes
        std::vector<const char *> deprecation_msgs;
 
        // if modpack:
        std::map<std::string, ModSpec> modpack_content;
 
        ModSpec()
        {
        }
 
        ModSpec(const std::string &name, const std::string &path, int modpack_depth, const std::string &virtual_path) :
                        name(name), path(path), modpack_depth(modpack_depth), virtual_path(virtual_path)
        {
        }
 
        void checkAndLog() const;
};
 
[[nodiscard]] bool parseModContents(ModSpec &mod);
 
std::map<std::string, ModSpec> getModsInPath(const std::string &path,
                const std::string &virtual_path, int modpack_depth = 0);
 
// replaces modpack Modspecs with their content
std::vector<ModSpec> flattenMods(const std::map<std::string, ModSpec> &mods,
                bool discard_modpacks = true);
 
 
class ModStorage : public IMetadata
{
public:
        ModStorage() = delete;
        ModStorage(const std::string &mod_name, ModStorageDatabase *database);
        ~ModStorage() = default;
 
        const std::string &getModName() const { return m_mod_name; }
 
        void clear() override;
 
        bool contains(const std::string &name) const override;
 
        bool setString(const std::string &name, std::string_view var) override;
 
        const StringMap &getStrings(StringMap *place) const override;
 
        const std::vector<std::string> &getKeys(std::vector<std::string> *place) const override;
 
protected:
        const std::string *getStringRaw(const std::string &name,
                        std::string *place) const override;
 
private:
        std::string m_mod_name;
        ModStorageDatabase *m_database;
};