public Converter(
Sqlite.DataType dataType,
bool utf8Text,
Func <TField, bool>?canConvert,
Func <TField, int>?length,
Func <TField, long>?toInteger,
Func <TField, double>?toFloat,
ToSpan <TField, char>?toUtf16Text,
AsSpan <TField, char>?asUtf16Text,
ToSpan <TField, byte>?toUtf8Text,
AsSpan <TField, byte>?asUtf8Text,
ToSpan <TField, byte>?toBlob,
AsSpan <TField, byte>?asBlob)
{
DataType = dataType;
Utf8Text = utf8Text;
_canConvert = canConvert;
Length = length;
ToInteger = toInteger;
ToFloat = toFloat;
ToUtf16Text = toUtf16Text;
AsUtf16Text = asUtf16Text;
ToUtf8Text = toUtf8Text;
AsUtf8Text = asUtf8Text;
ToBlob = toBlob;
AsBlob = asBlob;
}
/// <summary>
/// Defines a conditional reinterpret cast to a byte sequence.
/// </summary>
/// <param name="canConvert"></param>
/// <param name="asBytes">A ReadOnlySpan<byte> view of a value.</param>
public ScalarBuilder With(
Func <TParams, bool> canConvert,
AsSpan <TParams, byte> asBytes)
{
canConvert.ThrowIfNull(nameof(canConvert));
asBytes.ThrowIfNull(nameof(asBytes));
_builder.Converters.Add(ValueBinder.Converter.Blob(canConvert, asBytes));
return(this);
}
/// <summary>
/// Defines a conditional reinterpret cast to a UTF-16 string.
/// </summary>
/// <param name="canConvert"></param>
/// <param name="asText">A ReadOnlySpan<char> view of a value.</param>
public ScalarBuilder With(
Func <TParams, bool> canConvert,
AsSpan <TParams, char> asText)
{
canConvert.ThrowIfNull(nameof(canConvert));
asText.ThrowIfNull(nameof(asText));
_builder.Converters.Add(ValueBinder.Converter.Utf16Text(canConvert, asText));
return(this);
}
/// <summary>
/// Defines a reinterpret cast from a member value to a byte sequence.
/// </summary>
/// <param name="propertyOrField"></param>
/// <param name="asBytes">A ReadOnlySpan<byte> view of a value.</param>
public Builder With <TField>(
Expression <Func <TParams, TField> > propertyOrField,
AsSpan <TField, byte> asBytes)
{
propertyOrField.ThrowIfNull(nameof(propertyOrField));
asBytes.ThrowIfNull(nameof(asBytes));
GetOrAdd(propertyOrField)
.Converters
.Add(ValueBinder.Converter.Blob(asBytes));
return(this);
}
/// <summary>
/// Defines a reinterpret cast from a member value to a UTF-16 string.
/// </summary>
/// <param name="propertyOrField"></param>
/// <param name="asText">A ReadOnlySpan<char> view of a value.</param>
public Builder With <TField>(
Expression <Func <TParams, TField> > propertyOrField,
AsSpan <TField, char> asText)
{
propertyOrField.ThrowIfNull(nameof(propertyOrField));
asText.ThrowIfNull(nameof(asText));
GetOrAdd(propertyOrField)
.Converters
.Add(ValueBinder.Converter.Utf16Text(asText));
return(this);
}
/// <summary> /// Get row by index. /// </summary> /// <returns>The span of the row.</returns> public Span <float> this[int i] => AsSpan.Slice(i * 4, 3);
/// <summary>
/// Defines a reinterpret cast to a byte sequence.
/// </summary>
/// <param name="asBytes">A ReadOnlySpan<byte> view of a value.</param>
public ScalarBuilder With(AsSpan <TParams, byte> asBytes)
{
asBytes.ThrowIfNull(nameof(asBytes));
_builder.Converters.Add(ValueBinder.Converter.Blob(asBytes));
return(this);
}
/// <summary>
/// Defines a reinterpret cast to a UTF-16 string.
/// </summary>
/// <param name="asText">A ReadOnlySpan<char> view of a value.</param>
public ScalarBuilder With(AsSpan <TParams, char> asText)
{
asText.ThrowIfNull(nameof(asText));
_builder.Converters.Add(ValueBinder.Converter.Utf16Text(asText));
return(this);
}
