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Add parser and formatter for short types

This commit is contained in:
Safia Abdalla 2020-02-26 19:18:37 -08:00 committed by Ryan Nowak
parent 6e9a786dfc
commit 52c497aa30
1 changed files with 117 additions and 1 deletions
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118
src/Components/Components/src/BindConverter.cs
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@ -15,7 +15,7 @@ namespace Microsoft.AspNetCore.Components
//
// Perf: our conversion routines present a regular API surface that allows us to specialize on types to avoid boxing.
// for instance, many of these types could be cast to IFormattable to do the appropriate formatting, but that's going
// to allocate.
// to allocate.
public static class BindConverter
{
private static object BoxedTrue = true;
@ -158,6 +158,41 @@ namespace Microsoft.AspNetCore.Components
return value.Value.ToString(culture ?? CultureInfo.CurrentCulture);
}
/// <summary>
/// Formats the provided <paramref name="value"/> for inclusion in an attribute.
/// </summary>
/// <param name="value">The value to format.</param>
/// <param name="culture">
/// The <see cref="CultureInfo"/> to use while formatting. Defaults to <see cref="CultureInfo.CurrentCulture"/>.
/// </param>
/// <returns>The formatted value.</returns>
public static string FormatValue(short value, CultureInfo culture = null) => FormatShortValueCore(value, culture);
private static string FormatShortValueCore(short value, CultureInfo culture)
{
return value.ToString(culture ?? CultureInfo.CurrentCulture);
}
/// <summary>
/// Formats the provided <paramref name="value"/> for inclusion in an attribute.
/// </summary>
/// <param name="value">The value to format.</param>
/// <param name="culture">
/// The <see cref="CultureInfo"/> to use while formatting. Defaults to <see cref="CultureInfo.CurrentCulture"/>.
/// </param>
/// <returns>The formatted value.</returns>
public static string FormatValue(short? value, CultureInfo culture = null) => FormatNullableShortValueCore(value, culture);
private static string FormatNullableShortValueCore(short? value, CultureInfo culture)
{
if (value == null)
{
return null;
}
return value.Value.ToString(culture ?? CultureInfo.CurrentCulture);
}
/// <summary>
/// Formats the provided <paramref name="value"/> for inclusion in an attribute.
/// </summary>
@ -649,6 +684,71 @@ namespace Microsoft.AspNetCore.Components
return true;
}
/// <summary>
/// Attempts to convert a value to a <see cref="System.Int16"/>.
/// </summary>
/// <param name="obj">The object to convert.</param>
/// <param name="culture">The <see cref="CultureInfo"/> to use for conversion.</param>
/// <param name="value">The converted value.</param>
/// <returns><c>true</c> if conversion is successful, otherwise <c>false</c>.</returns>
public static bool TryConvertToShort(object obj, CultureInfo culture, out short value)
{
return ConvertToShortCore(obj, culture, out value);
}
/// <summary>
/// Attempts to convert a value to a nullable <see cref="System.Int16"/>.
/// </summary>
/// <param name="obj">The object to convert.</param>
/// <param name="culture">The <see cref="CultureInfo"/> to use for conversion.</param>
/// <param name="value">The converted value.</param>
/// <returns><c>true</c> if conversion is successful, otherwise <c>false</c>.</returns>
public static bool TryConvertToNullableShort(object obj, CultureInfo culture, out short? value)
{
return ConvertToNullableShort(obj, culture, out value);
}
internal static BindParser<short> ConvertToShort = ConvertToShortCore;
internal static BindParser<short?> ConvertToNullableShort = ConvertToNullableShortCore;
private static bool ConvertToShortCore(object obj, CultureInfo culture, out short value)
{
var text = (string)obj;
if (string.IsNullOrEmpty(text))
{
value = default;
return false;
}
if (!short.TryParse(text, NumberStyles.Number, culture ?? CultureInfo.CurrentCulture, out var converted))
{
value = default;
return false;
}
value = converted;
return true;
}
private static bool ConvertToNullableShortCore(object obj, CultureInfo culture, out short? value)
{
var text = (string)obj;
if (string.IsNullOrEmpty(text))
{
value = default;
return true;
}
if (!short.TryParse(text, NumberStyles.Number, culture ?? CultureInfo.CurrentCulture, out var converted))
{
value = default;
return false;
}
value = converted;
return true;
}
/// <summary>
/// Attempts to convert a value to a <see cref="System.Single"/>.
/// </summary>
@ -1198,6 +1298,14 @@ namespace Microsoft.AspNetCore.Components
{
formatter = (BindFormatter<long?>)FormatNullableLongValueCore;
}
else if (typeof(T) == typeof(short))
{
formatter = (BindFormatter<short>)FormatShortValueCore;
}
else if (typeof(T) == typeof(short?))
{
formatter = (BindFormatter<short?>)FormatNullableShortValueCore;
}
else if (typeof(T) == typeof(float))
{
formatter = (BindFormatter<float>)FormatFloatValueCore;
@ -1323,6 +1431,14 @@ namespace Microsoft.AspNetCore.Components
{
parser = ConvertToNullableLong;
}
else if (typeof(T) == typeof(short))
{
parser = ConvertToShort;
}
else if (typeof(T) == typeof(short?))
{
parser = ConvertToNullableShort;
}
else if (typeof(T) == typeof(float))
{
parser = ConvertToFloat;