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Added Span support to Webencoders with direct encoding #338

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Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,7 @@ namespace Microsoft.Extensions.Internal
#endif
static class WebEncoders
{
#if !NETCOREAPP2_1
#if !NETCOREAPP2_2 && !NETCOREAPP2_1
private const int MaxStackallocBytes = 256;
#endif
private const int MaxEncodedLength = (int.MaxValue / 4) * 3; // encode inflates the data by 4/3
Expand Down Expand Up @@ -251,7 +251,8 @@ public static unsafe string Base64UrlEncode(ReadOnlySpan<byte> data)

var base64Len = GetBufferSizeRequiredToBase64Encode(data.Length, out int numPaddingChars);
var base64UrlLen = base64Len - numPaddingChars;
#if NETCOREAPP2_1

#if NETCOREAPP2_2 || NETCOREAPP2_1
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With dotnet/sdk#1813 this could be written cleaner.

fixed (byte* ptr = &MemoryMarshal.GetReference(data))
{
return string.Create(base64UrlLen, (Ptr: (IntPtr)ptr, data.Length), (base64Url, state) =>
Expand Down