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-rw-r--r--src/crepe/api/CMakeLists.txt2
-rw-r--r--src/crepe/api/Config.h5
-rw-r--r--src/crepe/api/SaveManager.cpp160
-rw-r--r--src/crepe/api/SaveManager.h54
4 files changed, 221 insertions, 0 deletions
diff --git a/src/crepe/api/CMakeLists.txt b/src/crepe/api/CMakeLists.txt
index 0bb1263..abc96ab 100644
--- a/src/crepe/api/CMakeLists.txt
+++ b/src/crepe/api/CMakeLists.txt
@@ -11,6 +11,7 @@ target_sources(crepe PUBLIC
Texture.cpp
AssetManager.cpp
Sprite.cpp
+ SaveManager.cpp
)
target_sources(crepe PUBLIC FILE_SET HEADERS FILES
@@ -28,4 +29,5 @@ target_sources(crepe PUBLIC FILE_SET HEADERS FILES
Texture.h
AssetManager.h
AssetManager.hpp
+ SaveManager.h
)
diff --git a/src/crepe/api/Config.h b/src/crepe/api/Config.h
index 8a7f268..aef4d54 100644
--- a/src/crepe/api/Config.h
+++ b/src/crepe/api/Config.h
@@ -35,6 +35,11 @@ public:
*/
bool color = true;
} log;
+
+ //! Save manager
+ struct {
+ std::string location = "save.crepe.db";
+ } savemgr;
};
} // namespace crepe::api
diff --git a/src/crepe/api/SaveManager.cpp b/src/crepe/api/SaveManager.cpp
new file mode 100644
index 0000000..87e634b
--- /dev/null
+++ b/src/crepe/api/SaveManager.cpp
@@ -0,0 +1,160 @@
+#include "../DB.h"
+#include "../util/log.h"
+
+#include "Config.h"
+#include "ValueBroker.h"
+#include "SaveManager.h"
+
+using namespace std;
+using namespace crepe;
+using namespace crepe::api;
+
+template <>
+string SaveManager::serialize(const string & value) {
+ return value;
+}
+template <typename T>
+string SaveManager::serialize(const T & value) {
+ 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 <>
+uint64_t SaveManager::deserialize(const string & value) {
+ try {
+ return stoul(value);
+ } catch (std::invalid_argument &) {
+ return 0;
+ }
+}
+template <>
+int64_t SaveManager::deserialize(const string & value) {
+ try {
+ return stol(value);
+ } catch (std::invalid_argument &) {
+ return 0;
+ }
+}
+template <>
+float SaveManager::deserialize(const string & value) {
+ try {
+ return stof(value);
+ } catch (std::invalid_argument &) {
+ return 0;
+ }
+ return stof(value);
+}
+template <>
+double SaveManager::deserialize(const string & value) {
+ try {
+ return stod(value);
+ } catch (std::invalid_argument &) {
+ return 0;
+ }
+}
+template <>
+string SaveManager::deserialize(const string & value) {
+ 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); }
+
+SaveManager::SaveManager() {
+ dbg_trace();
+}
+
+SaveManager & SaveManager::get_instance() {
+ dbg_trace();
+ static SaveManager instance;
+ return instance;
+}
+
+DB & SaveManager::get_db() {
+ Config & cfg = Config::get_instance();
+ // TODO: make this path relative to XDG_DATA_HOME on Linux and whatever the
+ // default equivalent is on Windows using some third party library
+ static DB db(cfg.savemgr.location);
+ return db;
+}
+
+bool SaveManager::has(const string & key) {
+ DB & db = this->get_db();
+ return db.has(key);
+}
+
+template <>
+void SaveManager::set(const string & key, const string & value) {
+ DB & db = this->get_db();
+ db.set(key, value);
+}
+template <typename T>
+void SaveManager::set(const string & key, const T & value) {
+ DB & db = this->get_db();
+ db.set(key, std::to_string(value));
+}
+template void SaveManager::set(const string &, const uint8_t &);
+template void SaveManager::set(const string &, const int8_t &);
+template void SaveManager::set(const string &, const uint16_t &);
+template void SaveManager::set(const string &, const int16_t &);
+template void SaveManager::set(const string &, const uint32_t &);
+template void SaveManager::set(const string &, const int32_t &);
+template void SaveManager::set(const string &, const uint64_t &);
+template void SaveManager::set(const string &, const int64_t &);
+template void SaveManager::set(const string &, const float &);
+template void SaveManager::set(const string &, const double &);
+
+template <typename T>
+ValueBroker<T> SaveManager::get(const string & key, const T & default_value) {
+ if (!this->has(key))
+ this->set<T>(key, default_value);
+ return this->get<T>(key);
+}
+template ValueBroker<uint8_t> SaveManager::get(const string &, const uint8_t &);
+template ValueBroker<int8_t> SaveManager::get(const string &, const int8_t &);
+template ValueBroker<uint16_t> SaveManager::get(const string &, const uint16_t &);
+template ValueBroker<int16_t> SaveManager::get(const string &, const int16_t &);
+template ValueBroker<uint32_t> SaveManager::get(const string &, const uint32_t &);
+template ValueBroker<int32_t> SaveManager::get(const string &, const int32_t &);
+template ValueBroker<uint64_t> SaveManager::get(const string &, const uint64_t &);
+template ValueBroker<int64_t> SaveManager::get(const string &, const int64_t &);
+template ValueBroker<float> SaveManager::get(const string &, const float &);
+template ValueBroker<double> SaveManager::get(const string &, const double &);
+template ValueBroker<string> SaveManager::get(const string &, const string &);
+
+template <typename T>
+ValueBroker<T> SaveManager::get(const string & key) {
+ T value;
+ return {
+ [this, key] (const T & target) { this->set<T>(key, target); },
+ [this, key, value] () mutable -> const T & {
+ value = this->deserialize<T>(this->get_db().get(key));
+ return value;
+ },
+ };
+}
+template ValueBroker<uint8_t> SaveManager::get(const string &);
+template ValueBroker<int8_t> SaveManager::get(const string &);
+template ValueBroker<uint16_t> SaveManager::get(const string &);
+template ValueBroker<int16_t> SaveManager::get(const string &);
+template ValueBroker<uint32_t> SaveManager::get(const string &);
+template ValueBroker<int32_t> SaveManager::get(const string &);
+template ValueBroker<uint64_t> SaveManager::get(const string &);
+template ValueBroker<int64_t> SaveManager::get(const string &);
+template ValueBroker<float> SaveManager::get(const string &);
+template ValueBroker<double> SaveManager::get(const string &);
+template ValueBroker<string> SaveManager::get(const string &);
+
diff --git a/src/crepe/api/SaveManager.h b/src/crepe/api/SaveManager.h
new file mode 100644
index 0000000..a1f239d
--- /dev/null
+++ b/src/crepe/api/SaveManager.h
@@ -0,0 +1,54 @@
+#pragma once
+
+#include <memory>
+
+#include "../ValueBroker.h"
+
+namespace crepe {
+class DB;
+}
+
+namespace crepe::api {
+
+class SaveManager {
+public:
+ //! Get a reference to a value and initialize it with a value if it does not yet exist
+ template <typename T>
+ ValueBroker<T> get(const std::string & key, const T & default_value);
+
+ //! Get a reference to a value
+ template <typename T>
+ ValueBroker<T> get(const std::string & key);
+
+ //! Set a value directly
+ template <typename T>
+ void set(const std::string & key, const T & value);
+
+ //! Check if the save file has a value for this \c key
+ bool has(const std::string & key);
+
+private:
+ SaveManager();
+ virtual ~SaveManager() = default;
+
+private:
+ template <typename T>
+ std::string serialize(const T &);
+
+ template <typename T>
+ T deserialize(const std::string &);
+
+public:
+ // singleton
+ static SaveManager & get_instance();
+ SaveManager(const SaveManager &) = delete;
+ SaveManager(SaveManager &&) = delete;
+ SaveManager & operator = (const SaveManager &) = delete;
+ SaveManager & operator = (SaveManager &&) = delete;
+
+private:
+ static DB & get_db();
+};
+
+}
+