finish get/set implementations on DB

2 files changed, 8 insertions, 8 deletions

diff --git a/src/crepe/DB.cpp b/src/crepe/DB.cpp
index b188637..bd2f089 100644
--- a/src/crepe/DB.cpp
+++ b/src/crepe/DB.cpp
@@ -31,7 +31,7 @@ DB::DB(const string & path) {
 }
 
 
-libdb::DBT DB::to_thing(const string & thing) {
+libdb::DBT DB::to_thing(const string & thing) const {
 	libdb::DBT thang;
 	memset(&thang, 0, sizeof(libdb::DBT));
 	thang.data = (void *) thing.data();
@@ -44,19 +44,19 @@ string DB::get(const string & key) {
 	libdb::DBT db_val;
 	memset(&db_val, 0, sizeof(libdb::DBT));
 
-	// int ret = this->cursor->get(this->cursor.get(), NULL, &db_key, &db_val);
-	return "";
+	int ret = this->cursor->get(this->cursor.get(), &db_key, &db_val, DB_FIRST);
+	if (ret != 0) throw nullptr; // TODO: proper exception
+	return { static_cast<char *>(db_val.data), db_val.size };
 }
 
 void DB::set(const string & key, const string & value) {
 	libdb::DBT db_key = this->to_thing(key);
 	libdb::DBT db_val = this->to_thing(value);
 	int ret = this->db->put(this->db.get(), NULL, &db_key, &db_val, 0);
-	// TODO: check flags
-	// TODO: check ret
+	if (ret != 0) throw nullptr; // TODO: proper exception
 }
 
-bool DB::has(const std::string & key) {
+bool DB::has(const std::string & key) noexcept {
 	try {
 		this->get(key);
 	} catch (...) {
diff --git a/src/crepe/DB.h b/src/crepe/DB.h
index c331f95..06442ad 100644
--- a/src/crepe/DB.h
+++ b/src/crepe/DB.h
@@ -20,14 +20,14 @@ public:
 public:
 	std::string get(const std::string & key);
 	void set(const std::string & key, const std::string & value);
-	bool has(const std::string & key);
+	bool has(const std::string & key) noexcept;
 
 private:
 	std::unique_ptr<libdb::DB, std::function<void(libdb::DB *)>> db;
 	std::unique_ptr<libdb::DBC, std::function<void(libdb::DBC *)>> cursor;
 
 private:
-	libdb::DBT to_thing(const std::string & thing);
+	libdb::DBT to_thing(const std::string & thing) const;
 };
 
 }