forked from Mirrorlandia_minetest/minetest
70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
/*
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Minetest
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Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef DATABASE_SQLITE3_HEADER
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#define DATABASE_SQLITE3_HEADER
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#include "database.h"
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#include <string>
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extern "C" {
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#include "sqlite3.h"
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}
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class Database_SQLite3 : public Database
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{
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public:
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Database_SQLite3(const std::string &savedir);
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virtual void beginSave();
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virtual void endSave();
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virtual bool saveBlock(const v3s16 &pos, const std::string &data);
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virtual std::string loadBlock(const v3s16 &pos);
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virtual bool deleteBlock(const v3s16 &pos);
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virtual void listAllLoadableBlocks(std::vector<v3s16> &dst);
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virtual bool initialized() const { return m_initialized; }
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~Database_SQLite3();
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private:
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// Open the database
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void openDatabase();
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// Create the database structure
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void createDatabase();
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// Open and initialize the database if needed
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void verifyDatabase();
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void bindPos(sqlite3_stmt *stmt, const v3s16 &pos, int index=1);
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bool m_initialized;
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std::string m_savedir;
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sqlite3 *m_database;
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sqlite3_stmt *m_stmt_read;
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sqlite3_stmt *m_stmt_write;
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sqlite3_stmt *m_stmt_list;
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sqlite3_stmt *m_stmt_delete;
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sqlite3_stmt *m_stmt_begin;
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sqlite3_stmt *m_stmt_end;
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};
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#endif
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