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src/server/database/Database/MySQLPreparedStatement.h

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+/*
+ * This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef MySQLPreparedStatement_h__
+#define MySQLPreparedStatement_h__
+
+#include "DatabaseEnvFwd.h"
+#include "Define.h"
+#include "MySQLWorkaround.h"
+#include <string>
+#include <vector>
+
+class MySQLConnection;
+class PreparedStatementBase;
+
+//- Class of which the instances are unique per MySQLConnection
+//- access to these class objects is only done when a prepared statement task
+//- is executed.
+class AC_DATABASE_API MySQLPreparedStatement
+{
+friend class MySQLConnection;
+friend class PreparedStatementBase;
+
+public:
+    MySQLPreparedStatement(MySQLStmt* stmt, std::string_view queryString);
+    ~MySQLPreparedStatement();
+
+    void BindParameters(PreparedStatementBase* stmt);
+
+    uint32 GetParameterCount() const { return m_paramCount; }
+
+protected:
+    void SetParameter(const uint8 index, bool value);
+    void SetParameter(const uint8 index, std::nullptr_t /*value*/);
+    void SetParameter(const uint8 index, std::string const& value);
+    void SetParameter(const uint8 index, std::vector<uint8> const& value);
+
+    template<typename T>
+    void SetParameter(const uint8 index, T value);
+
+    MySQLStmt* GetSTMT() { return m_Mstmt; }
+    MySQLBind* GetBind() { return m_bind; }
+    PreparedStatementBase* m_stmt;
+    void ClearParameters();
+    void AssertValidIndex(const uint8 index);
+    std::string getQueryString() const;
+
+private:
+    MySQLStmt* m_Mstmt;
+    uint32 m_paramCount;
+    std::vector<bool> m_paramsSet;
+    MySQLBind* m_bind;
+    std::string m_queryString{};
+
+    MySQLPreparedStatement(MySQLPreparedStatement const& right) = delete;
+    MySQLPreparedStatement& operator=(MySQLPreparedStatement const& right) = delete;
+};
+
+#endif // MySQLPreparedStatement_h__