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/*
* Copyright (C) Tildeslash Ltd. All rights reserved.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3.
*
* 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/>.
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
*
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL.
*/
#include "Config.h"
#include <stdio.h>
#include <time.h>
#include <string.h>
#include "SQLiteAdapter.h"
/**
* Implementation of the PreparedStatement/Delegate interface for SQLite.
* NOTE: SQLite starts parameter index at 1, so checkAndSetParameterIndex is not
* needed
*
* @file
*/
/* ------------------------------------------------------------- Definitions */
#define T PreparedStatementDelegate_T
struct T {
sqlite3 *db;
int lastError;
sqlite3_stmt *stmt;
Connection_T delegator;
};
extern const struct Rop_T sqlite3rops;
/* ------------------------------------------------------------- Constructor */
T SQLitePreparedStatement_new(Connection_T delegator, sqlite3_stmt *stmt) {
T P;
assert(stmt);
NEW(P);
P->delegator = delegator;
P->stmt = stmt;
P->db = sqlite3_db_handle(stmt);
P->lastError = SQLITE_OK;
return P;
}
/* -------------------------------------------------------- Delegate Methods */
static void _free(T *P) {
assert(P && *P);
sqlite3_finalize((*P)->stmt);
FREE(*P);
}
static void _setString(T P, int parameterIndex, const char *x, int size) {
assert(P);
sqlite3_reset(P->stmt);
P->lastError = sqlite3_bind_text(P->stmt, parameterIndex, x, size, SQLITE_STATIC);
if (P->lastError == SQLITE_RANGE)
THROW(SQLException, "Parameter index is out of range");
}
static void _setInt(T P, int parameterIndex, int x) {
assert(P);
sqlite3_reset(P->stmt);
P->lastError = sqlite3_bind_int(P->stmt, parameterIndex, x);
if (P->lastError == SQLITE_RANGE)
THROW(SQLException, "Parameter index is out of range");
}
static void _setLLong(T P, int parameterIndex, long long x) {
assert(P);
sqlite3_reset(P->stmt);
P->lastError = sqlite3_bind_int64(P->stmt, parameterIndex, x);
if (P->lastError == SQLITE_RANGE)
THROW(SQLException, "Parameter index is out of range");
}
static void _setDouble(T P, int parameterIndex, double x) {
assert(P);
sqlite3_reset(P->stmt);
P->lastError = sqlite3_bind_double(P->stmt, parameterIndex, x);
if (P->lastError == SQLITE_RANGE)
THROW(SQLException, "Parameter index is out of range");
}
static void _setTimestamp(T P, int parameterIndex, time_t x) {
assert(P);
sqlite3_reset(P->stmt);
P->lastError = sqlite3_bind_int64(P->stmt, parameterIndex, x);
if (P->lastError == SQLITE_RANGE)
THROW(SQLException, "Parameter index is out of range");
}
static void _setBlob(T P, int parameterIndex, const void *x, int size) {
assert(P);
sqlite3_reset(P->stmt);
P->lastError = sqlite3_bind_blob(P->stmt, parameterIndex, x, size, SQLITE_STATIC);
if (P->lastError == SQLITE_RANGE)
THROW(SQLException, "Parameter index is out of range");
}
static void _execute(T P) {
assert(P);
P->lastError = zdb_sqlite3_step(P->stmt);
switch (P->lastError) {
case SQLITE_DONE:
P->lastError = sqlite3_reset(P->stmt);
break;
case SQLITE_ROW:
P->lastError = sqlite3_reset(P->stmt);
THROW(SQLException, "Select statement not allowed in PreparedStatement_execute()");
break;
default:
P->lastError = sqlite3_reset(P->stmt);
THROW(SQLException, "%s", sqlite3_errmsg(P->db));
break;
}
}
static ResultSet_T _executeQuery(T P) {
assert(P);
if (P->lastError == SQLITE_OK)
return ResultSet_new(SQLiteResultSet_new(P->delegator, P->stmt, true), (Rop_T)&sqlite3rops);
THROW(SQLException, "%s", sqlite3_errmsg(P->db));
return NULL;
}
static long long _rowsChanged(T P) {
assert(P);
return (long long)sqlite3_changes(P->db);
}
static int _parameterCount(T P) {
assert(P);
return sqlite3_bind_parameter_count(P->stmt);
}
/* ------------------------------------------------------------------------- */
const struct Pop_T sqlite3pops = {
.name = "sqlite",
.free = _free,
.setString = _setString,
.setInt = _setInt,
.setLLong = _setLLong,
.setDouble = _setDouble,
.setTimestamp = _setTimestamp,
.setBlob = _setBlob,
.execute = _execute,
.executeQuery = _executeQuery,
.rowsChanged = _rowsChanged,
.parameterCount = _parameterCount
};
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