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authorLoek Le Blansch <loek@pipeframe.xyz>2024-11-07 18:57:04 +0100
committerLoek Le Blansch <loek@pipeframe.xyz>2024-11-07 18:57:04 +0100
commit9df087ede0b539ecbd2778236c7d1143362b384d (patch)
tree01a1c0c46da3a09137fcb9ca6e613fd1148f4df1 /src/crepe/api/SaveManager.h
parente36ea050972fcaaf3d85d672755bad4ebb2dcd80 (diff)
check code standard
Diffstat (limited to 'src/crepe/api/SaveManager.h')
-rw-r--r--src/crepe/api/SaveManager.h74
1 files changed, 68 insertions, 6 deletions
diff --git a/src/crepe/api/SaveManager.h b/src/crepe/api/SaveManager.h
index 035e2b7..3073656 100644
--- a/src/crepe/api/SaveManager.h
+++ b/src/crepe/api/SaveManager.h
@@ -8,21 +8,58 @@ namespace crepe {
class DB;
+/**
+ * \brief Save data manager
+ *
+ * This class provides access to a simple key-value store that stores
+ * - integers (8-64 bit, signed or unsigned)
+ * - real numbers (float or double)
+ * - string (std::string)
+ *
+ * The underlying database is a key-value store.
+ */
class SaveManager {
public:
- //! Get a reference to a value and initialize it with a value if it does not yet exist
+ /**
+ * \brief Get a read/write reference to a value and initialize it if it does not yet exist
+ *
+ * \param key The value key
+ * \param default_value Value to initialize \c key with if it does not already exist in the database
+ *
+ * \return Read/write reference to the value
+ */
template <typename T>
ValueBroker<T> get(const std::string & key, const T & default_value);
- //! Get a reference to a value
+ /**
+ * \brief Get a read/write reference to a value
+ *
+ * \param key The value key
+ *
+ * \return Read/write reference to the value
+ *
+ * \note Attempting to read this value before it is initialized (i.e. set)
+ * will result in an exception
+ */
template <typename T>
ValueBroker<T> get(const std::string & key);
- //! Set a value directly
+ /**
+ * \brief Set a value directly
+ *
+ * \param key The value key
+ * \param value The value to store
+ */
template <typename T>
void set(const std::string & key, const T & value);
- //! Check if the save file has a value for this \c key
+ /**
+ * \brief Check if the save file has a value for this \c key
+ *
+ * \param key The value key
+ *
+ * \returns True if the key exists, or false if it does not
+ */
bool has(const std::string & key);
private:
@@ -30,11 +67,26 @@ private:
virtual ~SaveManager() = default;
private:
+ /**
+ * \brief Serialize an arbitrary value to STL string
+ *
+ * \tparam T Type of arbitrary value
+ *
+ * \returns String representation of value
+ */
template <typename T>
- std::string serialize(const T &);
+ std::string serialize(const T &) const noexcept;
+ /**
+ * \brief Deserialize an STL string back to type \c T
+ *
+ * \tparam T Type of value
+ * \param value Serialized value
+ *
+ * \returns Deserialized value
+ */
template <typename T>
- T deserialize(const std::string &);
+ T deserialize(const std::string & value) const noexcept;
public:
// singleton
@@ -45,6 +97,16 @@ public:
SaveManager & operator = (SaveManager &&) = delete;
private:
+ /**
+ * \brief Create an instance of DB and return its reference
+ *
+ * \returns DB instance
+ *
+ * This function exists because DB is a facade class, which can't directly be
+ * used in the API without workarounds
+ *
+ * TODO: better solution
+ */
static DB & get_db();
};