/**
 * Copyright (c) 2013, Timothy Stack
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * * Neither the name of Timothy Stack nor the names of its contributors
 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * @file sql_util.hh
 */

#ifndef _sql_util_hh
#define _sql_util_hh

#include <sqlite3.h>

#include <map>
#include <string>
#include <vector>

extern const char *sql_keywords[];
extern const char *sql_function_names[];

typedef int (*sqlite_exec_callback)(void *, int, char **, char **);
typedef std::vector<std::string>               db_table_list_t;
typedef std::map<std::string, db_table_list_t> db_table_map_t;

struct sqlite_metadata_callbacks {
    sqlite_exec_callback smc_collation_list;
    sqlite_exec_callback smc_database_list;
    sqlite_exec_callback smc_table_list;
    sqlite_exec_callback smc_table_info;
    sqlite_exec_callback smc_foreign_key_list;
    db_table_map_t       smc_db_list;
};

int walk_sqlite_metadata(sqlite3 *db, struct sqlite_metadata_callbacks &smc);

void attach_sqlite_db(sqlite3 *db, const std::string &filename);
#endif