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/*
connection.cpp
Copyright (C) 2019 Richard Knight
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <plugin.h>
#include "connection.h"
const char* badDatabase = "database type not supported";
const char* badConnection = "connection not open";
// tried to do this with templates, failed with various approaches
// hence the copious number of switches etc (horrible?). Due a revisit/refactor.
void ConnectionData::Init(csnd::Csound* csound, LoginData* login) {
type = login->dbType;
switch (type) {
#ifdef BUILD_POSTGRES
case POSTGRES:
postgres = (PostgresConnection*) csound->malloc(sizeof(PostgresConnection));
postgres->Init(csound, login);
break;
#endif
#ifdef BUILD_SQLITE
case SQLITE:
sqlite = (SqliteConnection*) csound->malloc(sizeof(SqliteConnection));
sqlite->Init(csound, login);
break;
#endif
#ifdef BUILD_MYSQL
case MYSQL:
mysql = (MySQLConnection*) csound->malloc(sizeof(MySQLConnection));
mysql->Init(csound, login);
break;
#endif
default:
throw std::runtime_error(badDatabase);
}
open = true;
}
void ConnectionData::Close(csnd::Csound* csound) {
if (!open) {
throw std::runtime_error(badConnection);
}
switch (type) {
#ifdef BUILD_POSTGRES
case POSTGRES:
postgres->Close(csound);
break;
#endif
#ifdef BUILD_SQLITE
case SQLITE:
sqlite->Close(csound);
break;
#endif
#ifdef BUILD_MYSQL
case MYSQL:
mysql->Close(csound);
break;
#endif
default:
throw std::runtime_error(badDatabase);
}
open = false;
}
void ConnectionData::Exec(char* sql) {
if (!open) {
throw std::runtime_error(badConnection);
}
switch (type) {
#ifdef BUILD_POSTGRES
case POSTGRES:
postgres->Exec(sql);
break;
#endif
#ifdef BUILD_SQLITE
case SQLITE:
sqlite->Exec(sql);
break;
#endif
#ifdef BUILD_MYSQL
case MYSQL:
mysql->Exec(sql);
break;
#endif
default:
throw std::runtime_error(badDatabase);
}
}
MYFLT ConnectionData::Scalar(char* sql, int row, int col) {
if (!open) {
throw std::runtime_error(badConnection);
}
switch (type) {
#ifdef BUILD_POSTGRES
case POSTGRES:
return postgres->Scalar(sql, row, col);
break;
#endif
#ifdef BUILD_SQLITE
case SQLITE:
return sqlite->Scalar(sql, row, col);
break;
#endif
#ifdef BUILD_MYSQL
case MYSQL:
return mysql->Scalar(sql, row, col);
break;
#endif
default:
throw std::runtime_error(badDatabase);
}
}
char* ConnectionData::ScalarString(char* sql, int row, int col) {
if (!open) {
throw std::runtime_error(badConnection);
}
switch (type) {
#ifdef BUILD_POSTGRES
case POSTGRES:
return postgres->ScalarString(sql, row, col);
break;
#endif
#ifdef BUILD_SQLITE
case SQLITE:
return sqlite->ScalarString(sql, row, col);
break;
#endif
#ifdef BUILD_MYSQL
case MYSQL:
return mysql->ScalarString(sql, row, col);
break;
#endif
default:
throw std::runtime_error(badDatabase);
}
}
void ConnectionData::ArrayQuery(char* sql, csnd::Csound* csound, ARRAYDAT* array) {
if (!open) {
throw std::runtime_error(badConnection);
}
switch (type) {
#ifdef BUILD_POSTGRES
case POSTGRES:
return postgres->ArrayQuery(sql, csound, array);
break;
#endif
#ifdef BUILD_SQLITE
case SQLITE:
return sqlite->ArrayQuery(sql, csound, array);
break;
#endif
#ifdef BUILD_MYSQL
case MYSQL:
return mysql->ArrayQuery(sql, csound, array);
break;
#endif
default:
throw std::runtime_error(badDatabase);
}
}
void ConnectionData::ArrayQueryString(char* sql, csnd::Csound* csound, ARRAYDAT* array) {
if (!open) {
throw std::runtime_error(badConnection);
}
switch (type) {
#ifdef BUILD_POSTGRES
case POSTGRES:
return postgres->ArrayQueryString(sql, csound, array);
break;
#endif
#ifdef BUILD_SQLITE
case SQLITE:
return sqlite->ArrayQueryString(sql, csound, array);
break;
#endif
#ifdef BUILD_MYSQL
case MYSQL:
return mysql->ArrayQueryString(sql, csound, array);
break;
#endif
default:
throw std::runtime_error(badDatabase);
}
}
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