public static void ThrowExceptionForRC(int rc, Sqlite3Handle db)
{
if (rc == Constants.SQLITE_OK
|| rc == Constants.SQLITE_ROW
|| rc == Constants.SQLITE_DONE)
{
return;
}
var message = db == null || db.IsInvalid
? NativeMethods.sqlite3_errstr(rc)
: NativeMethods.sqlite3_errmsg(db);
throw new SqliteException(Strings.FormatSqliteNativeError(rc, message), rc);
}
public static int sqlite3_exec(Sqlite3Handle pDb, string sql)
{
var zSql = MarshalEx.StringToHGlobalUTF8(sql);
try
{
IntPtr tmp;
return(Sqlite3.exec(pDb, zSql, IntPtr.Zero, IntPtr.Zero, out tmp));
} finally {
if (zSql != IntPtr.Zero)
{
Marshal.FreeHGlobal(zSql);
}
}
}
public static void ThrowExceptionForRC(int rc, Sqlite3Handle db)
{
if (rc == Constants.SQLITE_OK ||
rc == Constants.SQLITE_ROW ||
rc == Constants.SQLITE_DONE)
{
return;
}
var message = db == null || db.IsInvalid
? NativeMethods.sqlite3_errstr(rc)
: NativeMethods.sqlite3_errmsg(db);
throw new SqliteException(Strings.FormatSqliteNativeError(rc, message), rc);
}
public static string sqlite3_db_filename(Sqlite3Handle db, string zDbName)
{
var ptr = MarshalEx.StringToHGlobalUTF8(zDbName);
try
{
return(MarshalEx.PtrToStringUTF8(Sqlite3.db_filename(db, ptr)));
}
finally
{
if (ptr != IntPtr.Zero)
{
Marshal.FreeHGlobal(ptr);
}
}
}
//TODO move to a utility class
public static int sqlite3_step_blocking(Sqlite3Handle db, Sqlite3StmtHandle stmt, int milliseconds)
{
var timer = new Stopwatch();
int rc;
timer.Start();
while (SQLITE_LOCKED == (rc = sqlite3_step(stmt)))
{
if (timer.ElapsedMilliseconds >= milliseconds)
{
return(rc);
}
sqlite3_reset(stmt);
}
return(rc);
}
public static int sqlite3_prepare_v2(Sqlite3Handle db, string zSql, out Sqlite3StmtHandle ppStmt, out string pzTail)
{
int nByte;
var zSqlPtr = MarshalEx.StringToHGlobalUTF8(zSql, out nByte);
try
{
IntPtr pzTailPtr;
var rc = Sqlite3.prepare_v2(db, zSqlPtr, nByte, out ppStmt, out pzTailPtr);
pzTail = MarshalEx.PtrToStringUTF8(pzTailPtr);
return(rc);
}
finally
{
Marshal.FreeHGlobal(zSqlPtr);
}
}
public static int sqlite3_open_v2(string filename, out Sqlite3Handle ppDb, int flags, string vfs)
{
var zFilename = MarshalEx.StringToHGlobalUTF8(filename);
var zVfs = string.IsNullOrEmpty(vfs) ? IntPtr.Zero : MarshalEx.StringToHGlobalUTF8(vfs);
try
{
return(Sqlite3.open_v2(zFilename, out ppDb, flags, zVfs));
}
finally
{
if (zFilename != IntPtr.Zero)
{
Marshal.FreeHGlobal(zFilename);
}
if (zVfs != IntPtr.Zero)
{
Marshal.FreeHGlobal(zVfs);
}
}
}
public static int sqlite3_blob_open(Sqlite3Handle pDb, string db, string table, string column, long iRow,
int flags, out Sqlite3BlobHandle ppBlob)
{
var zDb = MarshalEx.StringToHGlobalUTF8(db);
var zTable = MarshalEx.StringToHGlobalUTF8(table);
var zColumn = MarshalEx.StringToHGlobalUTF8(column);
try {
return(Sqlite3.blob_open(pDb, zDb, zTable, zColumn, iRow, flags, out ppBlob));
} finally {
if (zDb != IntPtr.Zero)
{
Marshal.FreeHGlobal(zDb);
}
if (zTable != IntPtr.Zero)
{
Marshal.FreeHGlobal(zTable);
}
if (zColumn != IntPtr.Zero)
{
Marshal.FreeHGlobal(zColumn);
}
}
}
private static extern int sqlite3_open_v2(IntPtr filename, out Sqlite3Handle ppDb, int flags, IntPtr vfs);
private static extern IntPtr sqlite3_errmsg_raw(Sqlite3Handle db);
private static extern IntPtr sqlite3_db_filename(Sqlite3Handle db, IntPtr zDbName);
public static string sqlite3_errmsg(Sqlite3Handle db) => MarshalEx.PtrToStringUTF8(Sqlite3.errmsg(db));
public static int sqlite3_busy_timeout(Sqlite3Handle db, int ms) => Sqlite3.busy_timeout(db, ms);
public int blob_open(Sqlite3Handle ppDb, IntPtr zDb, IntPtr zTable, IntPtr zColumn, long iRow, int flags, out Sqlite3BlobHandle ppBlob) => sqlite3_blob_open(ppDb, zDb, zTable, zColumn, iRow, flags, out ppBlob);
public int exec(Sqlite3Handle pDb, IntPtr zSql, IntPtr callback, IntPtr callbackArg, out IntPtr errMsg) => sqlite3_exec(pDb, zSql, callback, callbackArg, out errMsg);
public int open_v2(IntPtr filename, out Sqlite3Handle ppDb, int flags, IntPtr vfs)
=> sqlite3_open_v2(filename, out ppDb, flags, vfs);
public IntPtr errmsg(Sqlite3Handle db)
=> sqlite3_errmsg(db);
public int enable_load_extension(Sqlite3Handle db, int onoff)
=> sqlite3_enable_load_extension(db, onoff);
private static extern int sqlite3_enable_load_extension(Sqlite3Handle db, int onoff);
public IntPtr db_filename(Sqlite3Handle db, IntPtr zDbName)
=> sqlite3_db_filename(db, zDbName);
public int busy_timeout(Sqlite3Handle db, int ms) => sqlite3_busy_timeout(db, ms);
private static extern int sqlite3_prepare_v2(Sqlite3Handle db, IntPtr zSql, int nByte, out Sqlite3StmtHandle ppStmt, out IntPtr pzTail);
//TODO move to a utility class
public static int sqlite3_step_blocking(Sqlite3Handle db, Sqlite3StmtHandle stmt, int milliseconds)
{
var timer = new Stopwatch();
int rc;
timer.Start();
while (SQLITE_LOCKED == (rc = sqlite3_step(stmt)))
{
if (timer.ElapsedMilliseconds >= milliseconds)
{
return rc;
}
sqlite3_reset(stmt);
}
return rc;
}
public int prepare_v2(Sqlite3Handle db, IntPtr zSql, int nByte, out Sqlite3StmtHandle ppStmt, out IntPtr pzTail)
=> sqlite3_prepare_v2(db, zSql, nByte, out ppStmt, out pzTail);
public IntPtr errmsg(Sqlite3Handle db) => sqlite3_errmsg(db);
public int busy_timeout(Sqlite3Handle db, int ms)
=> sqlite3_busy_timeout(db, ms);
public override string GetFilename(Sqlite3Handle db, string zDbName) => NativeMethods.sqlite3_db_filename(db, zDbName);
private static extern int sqlite3_changes(Sqlite3Handle db);
public virtual string GetFilename(Sqlite3Handle db, string zDbName)
=> null;
public int changes(Sqlite3Handle db)
=> sqlite3_changes(db);
public int changes(Sqlite3Handle db) => sqlite3_changes(db);
public int prepare_v2(Sqlite3Handle db, IntPtr zSql, int nByte, out Sqlite3StmtHandle ppStmt, out IntPtr pzTail) => sqlite3_prepare_v2(db, zSql, nByte, out ppStmt, out pzTail);
public static string sqlite3_db_filename(Sqlite3Handle db, string zDbName)
{
var ptr = MarshalEx.StringToHGlobalUTF8(zDbName);
try
{
return MarshalEx.PtrToStringUTF8(sqlite3_db_filename(db, ptr));
}
finally
{
if (ptr != IntPtr.Zero)
{
Marshal.FreeHGlobal(ptr);
}
}
}
public override void Close()
{
if (_db == null
|| _db.IsInvalid)
{
return;
}
Transaction?.Dispose();
_db.Dispose();
_db = null;
SetState(ConnectionState.Closed);
}
public static string sqlite3_errmsg(Sqlite3Handle db) => MarshalEx.PtrToStringUTF8(sqlite3_errmsg_raw(db));
public static int sqlite3_enable_load_extension(Sqlite3Handle db, int onoff)
=> Sqlite3.enable_load_extension(db, onoff);
public static int sqlite3_open_v2(string filename, out Sqlite3Handle ppDb, int flags, string vfs)
{
var zFilename = MarshalEx.StringToHGlobalUTF8(filename);
var zVfs = string.IsNullOrEmpty(vfs) ? IntPtr.Zero : MarshalEx.StringToHGlobalUTF8(vfs);
try
{
return sqlite3_open_v2(zFilename, out ppDb, flags, zVfs);
}
finally
{
if (zFilename != IntPtr.Zero)
{
Marshal.FreeHGlobal(zFilename);
}
if (zVfs != IntPtr.Zero)
{
Marshal.FreeHGlobal(zVfs);
}
}
}
public static int sqlite3_busy_timeout(Sqlite3Handle db, int ms)
=> Sqlite3.busy_timeout(db, ms);
public static int sqlite3_prepare_v2(Sqlite3Handle db, string zSql, out Sqlite3StmtHandle ppStmt, out string pzTail)
{
int nByte;
var zSqlPtr = MarshalEx.StringToHGlobalUTF8(zSql, out nByte);
try
{
// TODO: Something fancy with indexes?
IntPtr pzTailPtr;
var rc = sqlite3_prepare_v2(db, zSqlPtr, nByte, out ppStmt, out pzTailPtr);
pzTail = MarshalEx.PtrToStringUTF8(pzTailPtr);
return rc;
}
finally
{
Marshal.FreeHGlobal(zSqlPtr);
}
}
public static int sqlite3_changes(Sqlite3Handle db)
=> Sqlite3.changes(db);
private static extern int sqlite3_exec(Sqlite3Handle ppDb, IntPtr zSql, IntPtr callback, IntPtr callbackArg, out IntPtr errMsg);
private static extern IntPtr sqlite3_db_filename(Sqlite3Handle db, IntPtr zDbName);
private static extern IntPtr sqlite3_errmsg_raw(Sqlite3Handle db);
private static extern int sqlite3_open_v2(IntPtr filename, out Sqlite3Handle ppDb, int flags, IntPtr vfs);
private static extern int sqlite3_blob_open(Sqlite3Handle pDb, IntPtr zDb, IntPtr zTable, IntPtr zColumn, long iRow, int flags, out Sqlite3BlobHandle ppBlob);
private static extern int sqlite3_prepare_v2(Sqlite3Handle db, IntPtr zSql, int nByte, out Sqlite3StmtHandle ppStmt, out IntPtr pzTail);
public static string GetFilename(Sqlite3Handle db, string zDbName) => _strategy.GetFilename(db, zDbName);
public int open_v2(IntPtr filename, out Sqlite3Handle ppDb, int flags, IntPtr vfs) => sqlite3_open_v2(filename, out ppDb, flags, vfs);
public virtual string GetFilename(Sqlite3Handle db, string zDbName) => null;
public override string GetFilename(Sqlite3Handle db, string zDbName)
=> NativeMethods.sqlite3_db_filename(db, zDbName);
public static int sqlite3_changes(Sqlite3Handle db) => Sqlite3.changes(db);
public static extern int sqlite3_busy_timeout(Sqlite3Handle db, int ms);
public static int sqlite3_enable_load_extension(Sqlite3Handle db, int onoff) => Sqlite3.enable_load_extension(db, onoff);
public static extern int sqlite3_changes(Sqlite3Handle db);
public static extern int sqlite3_busy_timeout(Sqlite3Handle db, int ms);
private static extern int sqlite3_changes(Sqlite3Handle db);
public static extern int sqlite3_changes(Sqlite3Handle db);
public static string GetFilename(Sqlite3Handle db, string zDbName)
=> _strategy.GetFilename(db, zDbName);
