Initial commit

include/katja/database.hpp

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+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+#pragma once
+
+#include <string>
+#include <map>
+
+namespace katja
+{
+    constexpr const char *database = "/var/lib/pkgtools/packages";
+
+    class database_package
+    {
+        database_package(std::string&& name, std::string&& version,
+                std::string&& architecture, std::string&& build_tag);
+
+        static database_package create_database_package(const std::string& fullname);
+
+    public:
+        const std::string name;
+        const std::string version;
+        const std::string architecture;
+        const std::string build_tag;
+
+        database_package(const std::string& fullname);
+
+        bool operator<(const database_package& that) const;
+        bool operator>(const database_package& that) const;
+
+        std::string to_string() const;
+    };
+
+    using package_database = std::multimap<std::string, database_package>;
+
+    package_database read_installed_database();
+}

include/katja/repository.hpp

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+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+#pragma once
+
+#include <string>
+#include <vector>
+
+#include "katja/database.hpp"
+
+namespace katja
+{
+    struct package_identifier
+    {
+        const std::string name;
+        const std::string version;
+        const std::string architecture;
+        const std::string data;
+
+        std::string to_string() const;
+    };
+
+    class repository
+    {
+    public:
+        virtual std::vector<package_identifier> get_updates(const package_database& database) = 0;
+        virtual std::vector<package_identifier> search_names(const std::string& architecture,
+                const std::string& needle) = 0;
+    };
+}

include/katja/sbo.hpp

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+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+#pragma once
+
+#include <string>
+#include <vector>
+#include <filesystem>
+#include <optional>
+
+#include "katja/repository.hpp"
+
+namespace katja
+{
+    struct info_file
+    {
+        const std::string program_name;
+        const std::string version;
+        const std::string homepage;
+        const std::string email;
+        const std::string maintainer;
+
+        info_file(const std::string& program_name, const std::string& version,
+                const std::string homepage, const std::string& email, const std::string& maintainer);
+
+        package_identifier identifier_for(const std::string& architecture);
+    };
+
+    class sbo_repository final : public repository
+    {
+        std::map<std::string, std::filesystem::path> info_paths;
+
+    public:
+        sbo_repository(const std::filesystem::path& repository_path);
+
+        std::vector<package_identifier> get_updates(const package_database& database) override;
+        std::vector<package_identifier> search_names(const std::string& architecture,
+                const std::string& needle) override;
+    };
+
+    std::optional<info_file> read_slackbuild_info(const std::filesystem::path& info_filepath);
+}