/// <summary>
/// Bind the parameter to an <see cref="ISQLiteValue"/>.
/// </summary>
/// <param name="This">The bind parameter.</param>
/// <param name="value">A <see cref="ISQLiteValue"/>.</param>
public static void Bind(this IBindParameter This, ISQLiteValue value)
{
Contract.Requires(This != null);
Contract.Requires(value != null);
switch (value.SQLiteType)
{
case SQLiteType.Blob:
if (value is ZeroBlob)
{
This.BindZeroBlob(value.Length);
}
else
{
This.Bind(value.ToBlob());
}
return;
case SQLiteType.Null:
This.BindNull();
return;
case SQLiteType.Text:
This.Bind(value.ToString());
return;
case SQLiteType.Float:
This.Bind(value.ToDouble());
return;
case SQLiteType.Integer:
This.Bind(value.ToInt64());
return;
}
}
internal static void SetResult(this sqlite3_context ctx, ISQLiteValue value)
{
switch (value.SQLiteType)
{
case SQLiteType.Blob:
if (value is ZeroBlob)
{
raw.sqlite3_result_zeroblob(ctx, value.Length);
}
else
{
raw.sqlite3_result_blob(ctx, value.ToBlob());
}
return;
case SQLiteType.Null:
raw.sqlite3_result_null(ctx);
return;
case SQLiteType.Text:
raw.sqlite3_result_text(ctx, value.ToString());
return;
case SQLiteType.Float:
raw.sqlite3_result_double(ctx, value.ToDouble());
return;
case SQLiteType.Integer:
raw.sqlite3_result_int64(ctx, value.ToInt64());
return;
}
}
/// <summary>
/// Returns the SQLiteValue as a <see cref="Uri"/>.
/// </summary>
public static Uri ToUri(this ISQLiteValue This)
{
Contract.Requires(This != null);
var text = This.ToString();
return(new Uri(text));
}
/// <summary>
/// Returns the SQLiteValue as a <see cref="Guid"/>.
/// </summary>
public static Guid ToGuid(this ISQLiteValue This)
{
Contract.Requires(This != null);
if (!Utf8Parser.TryParse(This.ToBlob(), out Guid value, out _))
{
ThrowHelper.ThrowFormatException();
}
return(value);
}
private void compare(ISQLiteValue expected, ISQLiteValue test)
{
Assert.Equal(test.Length, expected.Length);
Assert.Equal(test.SQLiteType, expected.SQLiteType);
Assert.Equal(test.ToDouble(), expected.ToDouble(), 15);
Assert.Equal(test.ToInt64(), expected.ToInt64());
Assert.Equal(test.ToInt(), expected.ToInt());
Assert.Equal(test.ToString(), expected.ToString());
Assert.Equal(test.ToBlob().ToArray(), expected.ToBlob().ToArray());
}
private void compare(ISQLiteValue expected, ISQLiteValue test)
{
Assert.Equal(expected.Length, test.Length);
Assert.Equal(expected.SQLiteType, test.SQLiteType);
// FIXME: Testing double equality is imprecise
//Assert.Equal(expected.ToDouble(), test.ToDouble());
Assert.Equal(expected.ToInt64(), test.ToInt64());
Assert.Equal(expected.ToInt(), test.ToInt());
Assert.Equal(expected.ToString(), test.ToString());
Assert.Equal(expected.ToBlob(), test.ToBlob());
}
private void compare(ISQLiteValue expected, ISQLiteValue test)
{
Assert.Equal(expected.Length, test.Length);
Assert.Equal(expected.SQLiteType, test.SQLiteType);
// FIXME: Testing double equality is imprecise
//Assert.Equal(expected.ToDouble(), test.ToDouble());
Assert.Equal(expected.ToInt64(), test.ToInt64());
Assert.Equal(expected.ToInt(), test.ToInt());
Assert.Equal(expected.ToString(), test.ToString());
Assert.Equal(expected.ToBlob(), test.ToBlob());
}
private static string ToSqlString(this ISQLiteValue value)
{
switch (value.SQLiteType)
{
case SQLiteType.Null:
return("NULL");
case SQLiteType.Text:
case SQLiteType.Blob:
return($"\"{value.ToString()}\"");
default:
return(value.ToString());
}
}
/// <summary>
/// Returns the SQLiteValue as a <see cref="sbyte"/>.
/// </summary>
public static sbyte ToSByte(this ISQLiteValue This)
{
Contract.Requires(This != null);
return(Convert.ToSByte(This.ToInt64()));
}
/// <summary>
/// Returns the SQLiteValue as a <see cref="short"/>.
/// </summary>
public static short ToShort(this ISQLiteValue This)
{
Contract.Requires(This != null);
return(Convert.ToInt16(This.ToInt64()));
}
/// <summary>
/// Returns the SQLiteValue as a <see cref="decimal"/>.
/// </summary>
public static decimal ToDecimal(this ISQLiteValue This)
{
Contract.Requires(This != null);
return(Convert.ToDecimal(This.ToDouble()));
}
/// <summary>
/// Returns the SQLiteValue as a <see cref="uint"/>.
/// </summary>
public static uint ToUInt32(this ISQLiteValue This)
{
Contract.Requires(This != null);
return(Convert.ToUInt32(This.ToInt64()));
}
private static object ToObject(this ISQLiteValue value, Type clrType)
{
// Just in case the clrType is nullable
clrType = clrType.GetUnderlyingType();
if (value.SQLiteType == SQLiteType.Null)
{
return(null);
}
else if (clrType == typeof(String))
{
return(value.ToString());
}
else if (clrType == typeof(Int32))
{
return(value.ToInt());
}
else if (clrType == typeof(Boolean))
{
return(value.ToBool());
}
else if (clrType == typeof(double))
{
return(value.ToDouble());
}
else if (clrType == typeof(float))
{
return(value.ToFloat());
}
else if (clrType == typeof(TimeSpan))
{
return(value.ToTimeSpan());
}
else if (clrType == typeof(DateTime))
{
return(value.ToDateTime());
}
else if (clrType == typeof(DateTimeOffset))
{
return(value.ToDateTimeOffset());
}
else if (clrType.GetTypeInfo().IsEnum)
{
return(value.ToInt());
}
else if (clrType == typeof(Int64))
{
return(value.ToInt64());
}
else if (clrType == typeof(UInt32))
{
return(value.ToUInt32());
}
else if (clrType == typeof(decimal))
{
return(value.ToDecimal());
}
else if (clrType == typeof(Byte))
{
return(value.ToByte());
}
else if (clrType == typeof(UInt16))
{
return(value.ToUInt16());
}
else if (clrType == typeof(Int16))
{
return(value.ToShort());
}
else if (clrType == typeof(sbyte))
{
return(value.ToSByte());
}
else if (clrType == typeof(byte[]))
{
return(value.ToBlob());
}
else if (clrType == typeof(Guid))
{
return(value.ToGuid());
}
else if (clrType == typeof(Uri))
{
return(value.ToUri());
}
else
{
throw new NotSupportedException($"Don't know how to read {clrType}");
}
}
/// <summary>
/// Returns the SQLiteValue as a <see cref="TimeSpan"/>.
/// </summary>
public static TimeSpan ToTimeSpan(this ISQLiteValue This)
{
Contract.Requires(This != null);
return(new TimeSpan(This.ToInt64()));
}
/// <summary>
/// Returns the SQLiteValue as a <see cref="float"/>.
/// </summary>
public static float ToFloat(this ISQLiteValue This)
{
Contract.Requires(This != null);
return((float)This.ToDouble());
}
/// <summary>
/// Returns the SQLiteValue as a <see cref="bool"/>.
/// </summary>
public static bool ToBool(this ISQLiteValue This)
{
Contract.Requires(This != null);
return(Convert.ToBoolean(This.ToInt64()));
}
/// <summary>
/// Returns the SQLiteValue as a <see cref="DateTime"/>.
/// </summary>
public static DateTime ToDateTime(this ISQLiteValue This)
{
Contract.Requires(This != null);
return(new DateTime(This.ToInt64()));
}
/// <summary>
/// Returns the SQLiteValue as a <see cref="DateTimeOffset"/>.
/// </summary>
public static DateTimeOffset ToDateTimeOffset(this ISQLiteValue This)
{
Contract.Requires(This != null);
return(new DateTimeOffset(This.ToInt64(), TimeSpan.Zero));
}
internal static void SetResult(this sqlite3_context ctx, ISQLiteValue value)
{
switch (value.SQLiteType)
{
case SQLiteType.Blob:
if (value is ZeroBlob)
{
raw.sqlite3_result_zeroblob(ctx, value.Length);
}
else
{
raw.sqlite3_result_blob(ctx, value.ToBlob());
}
return;
case SQLiteType.Null:
raw.sqlite3_result_null(ctx);
return;
case SQLiteType.Text:
raw.sqlite3_result_text(ctx, value.ToString());
return;
case SQLiteType.Float:
raw.sqlite3_result_double(ctx, value.ToDouble());
return;
case SQLiteType.Integer:
raw.sqlite3_result_int64(ctx, value.ToInt64());
return;
}
}
/// <summary>
/// Bind the parameter to an <see cref="ISQLiteValue"/>.
/// </summary>
/// <param name="This">The bind parameter.</param>
/// <param name="value">A <see cref="ISQLiteValue"/>.</param>
public static void Bind(this IBindParameter This, ISQLiteValue value)
{
Contract.Requires(This != null);
Contract.Requires(value != null);
switch (value.SQLiteType)
{
case SQLiteType.Blob:
if (value is ZeroBlob)
{
This.BindZeroBlob(value.Length);
}
else
{
This.Bind(value.ToBlob());
}
return;
case SQLiteType.Null:
This.BindNull();
return;
case SQLiteType.Text:
This.Bind(value.ToString());
return;
case SQLiteType.Float:
This.Bind(value.ToDouble());
return;
case SQLiteType.Integer:
This.Bind(value.ToInt64());
return;
}
}
