public static bool TryParseInt32(Utf8Span str, out int val)
{
if (!Utf8Parser.TryParseInt32(str, out val, out var consumed) || consumed != str.Length())
{
return(false);
}
return(true);
}
public static int ParseInt32(Utf8Span str)
{
if (!Utf8Parser.TryParseInt32(str, out var value, out var consumed))
{
throw new FormatException();
}
if (consumed != str.Length())
{
throw new FormatException();
}
return(value);
}
private static void PrimitiveParserByteSpanToInt32_BytesConsumed(string text)
{
byte[] utf8ByteArray = Text.Encoding.UTF8.GetBytes(text);
var utf8ByteSpan = new ReadOnlySpan <byte>(utf8ByteArray);
foreach (var iteration in Benchmark.Iterations)
{
using (iteration.StartMeasurement())
{
for (int i = 0; i < Benchmark.InnerIterationCount; i++)
{
Utf8Parser.TryParseInt32(utf8ByteSpan, out int value, out int bytesConsumed);
TestHelper.DoNotIgnore(value, bytesConsumed);
}
}
}
}
private static void PrimitiveParserByteSpanToInt32_BytesConsumed_VariableLength()
{
int textLength = s_Int32TextArray.Length;
byte[][] utf8ByteArray = (byte[][])Array.CreateInstance(typeof(byte[]), textLength);
for (var i = 0; i < textLength; i++)
{
utf8ByteArray[i] = Text.Encoding.UTF8.GetBytes(s_Int32TextArray[i]);
}
foreach (var iteration in Benchmark.Iterations)
{
using (iteration.StartMeasurement())
{
for (int i = 0; i < Benchmark.InnerIterationCount; i++)
{
ReadOnlySpan <byte> utf8ByteSpan = utf8ByteArray[i % textLength];
Utf8Parser.TryParseInt32(utf8ByteSpan, out int value, out int bytesConsumed);
TestHelper.DoNotIgnore(value, bytesConsumed);
}
}
}
}