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-rw-r--r--src/crepe/api/CMakeLists.txt1
-rw-r--r--src/crepe/api/Config.cpp9
-rw-r--r--src/crepe/api/Config.h18
-rw-r--r--src/crepe/api/SaveManager.cpp46
-rw-r--r--src/crepe/api/SaveManager.h74
5 files changed, 114 insertions, 34 deletions
diff --git a/src/crepe/api/CMakeLists.txt b/src/crepe/api/CMakeLists.txt
index abc96ab..f55bd9e 100644
--- a/src/crepe/api/CMakeLists.txt
+++ b/src/crepe/api/CMakeLists.txt
@@ -12,6 +12,7 @@ target_sources(crepe PUBLIC
AssetManager.cpp
Sprite.cpp
SaveManager.cpp
+ Config.cpp
)
target_sources(crepe PUBLIC FILE_SET HEADERS FILES
diff --git a/src/crepe/api/Config.cpp b/src/crepe/api/Config.cpp
new file mode 100644
index 0000000..d6206da
--- /dev/null
+++ b/src/crepe/api/Config.cpp
@@ -0,0 +1,9 @@
+#include "Config.h"
+
+using namespace crepe;
+
+Config & Config::get_instance() {
+ static Config instance;
+ return instance;
+}
+
diff --git a/src/crepe/api/Config.h b/src/crepe/api/Config.h
index 4e6d1fa..bbcca87 100644
--- a/src/crepe/api/Config.h
+++ b/src/crepe/api/Config.h
@@ -7,16 +7,17 @@ namespace crepe {
class Config {
private:
Config() = default;
-
public:
~Config() = default;
public:
//! Retrieve handle to global Config instance
- static Config & get_instance() {
- static Config instance;
- return instance;
- }
+ static Config & get_instance();
+ // singleton
+ Config(const Config &) = delete;
+ Config(Config &&) = delete;
+ Config & operator = (const Config &) = delete;
+ Config & operator = (Config &&) = delete;
public:
//! Logging-related settings
@@ -38,8 +39,15 @@ public:
//! Save manager
struct {
+ /**
+ * \brief Save file location
+ *
+ * This location is used by the constructor of SaveManager, and should be
+ * set before save manager functionality is attempted to be used.
+ */
std::string location = "save.crepe.db";
} savemgr;
};
} // namespace crepe
+
diff --git a/src/crepe/api/SaveManager.cpp b/src/crepe/api/SaveManager.cpp
index d35fc7b..23587e4 100644
--- a/src/crepe/api/SaveManager.cpp
+++ b/src/crepe/api/SaveManager.cpp
@@ -9,26 +9,26 @@ using namespace std;
using namespace crepe;
template <>
-string SaveManager::serialize(const string & value) {
+string SaveManager::serialize(const string & value) const noexcept {
return value;
}
template <typename T>
-string SaveManager::serialize(const T & value) {
+string SaveManager::serialize(const T & value) const noexcept {
return to_string(value);
}
-template string SaveManager::serialize(const uint8_t &);
-template string SaveManager::serialize(const int8_t &);
-template string SaveManager::serialize(const uint16_t &);
-template string SaveManager::serialize(const int16_t &);
-template string SaveManager::serialize(const uint32_t &);
-template string SaveManager::serialize(const int32_t &);
-template string SaveManager::serialize(const uint64_t &);
-template string SaveManager::serialize(const int64_t &);
-template string SaveManager::serialize(const float &);
-template string SaveManager::serialize(const double &);
+template string SaveManager::serialize(const uint8_t &) const noexcept;
+template string SaveManager::serialize(const int8_t &) const noexcept;
+template string SaveManager::serialize(const uint16_t &) const noexcept;
+template string SaveManager::serialize(const int16_t &) const noexcept;
+template string SaveManager::serialize(const uint32_t &) const noexcept;
+template string SaveManager::serialize(const int32_t &) const noexcept;
+template string SaveManager::serialize(const uint64_t &) const noexcept;
+template string SaveManager::serialize(const int64_t &) const noexcept;
+template string SaveManager::serialize(const float &) const noexcept;
+template string SaveManager::serialize(const double &) const noexcept;
template <>
-uint64_t SaveManager::deserialize(const string & value) {
+uint64_t SaveManager::deserialize(const string & value) const noexcept {
try {
return stoul(value);
} catch (std::invalid_argument &) {
@@ -36,7 +36,7 @@ uint64_t SaveManager::deserialize(const string & value) {
}
}
template <>
-int64_t SaveManager::deserialize(const string & value) {
+int64_t SaveManager::deserialize(const string & value) const noexcept {
try {
return stol(value);
} catch (std::invalid_argument &) {
@@ -44,7 +44,7 @@ int64_t SaveManager::deserialize(const string & value) {
}
}
template <>
-float SaveManager::deserialize(const string & value) {
+float SaveManager::deserialize(const string & value) const noexcept {
try {
return stof(value);
} catch (std::invalid_argument &) {
@@ -53,7 +53,7 @@ float SaveManager::deserialize(const string & value) {
return stof(value);
}
template <>
-double SaveManager::deserialize(const string & value) {
+double SaveManager::deserialize(const string & value) const noexcept {
try {
return stod(value);
} catch (std::invalid_argument &) {
@@ -61,16 +61,16 @@ double SaveManager::deserialize(const string & value) {
}
}
template <>
-string SaveManager::deserialize(const string & value) {
+string SaveManager::deserialize(const string & value) const noexcept {
return value;
}
-template <> uint8_t SaveManager::deserialize(const string & value) { return deserialize<uint64_t>(value); }
-template <> int8_t SaveManager::deserialize(const string & value) { return deserialize<int64_t>(value); }
-template <> uint16_t SaveManager::deserialize(const string & value) { return deserialize<uint64_t>(value); }
-template <> int16_t SaveManager::deserialize(const string & value) { return deserialize<int64_t>(value); }
-template <> uint32_t SaveManager::deserialize(const string & value) { return deserialize<uint64_t>(value); }
-template <> int32_t SaveManager::deserialize(const string & value) { return deserialize<int64_t>(value); }
+template <> uint8_t SaveManager::deserialize(const string & value) const noexcept { return deserialize<uint64_t>(value); }
+template <> int8_t SaveManager::deserialize(const string & value) const noexcept { return deserialize<int64_t>(value); }
+template <> uint16_t SaveManager::deserialize(const string & value) const noexcept { return deserialize<uint64_t>(value); }
+template <> int16_t SaveManager::deserialize(const string & value) const noexcept { return deserialize<int64_t>(value); }
+template <> uint32_t SaveManager::deserialize(const string & value) const noexcept { return deserialize<uint64_t>(value); }
+template <> int32_t SaveManager::deserialize(const string & value) const noexcept { return deserialize<int64_t>(value); }
SaveManager::SaveManager() {
dbg_trace();
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();
};