public unsafe static string GetAsciiString(this ReadableBuffer buffer)
{
if (buffer.IsEmpty)
{
return(null);
}
var asciiString = new string('\0', buffer.Length);
fixed(char *outputStart = asciiString)
{
int offset = 0;
var output = outputStart;
foreach (var span in buffer)
{
if (!AsciiUtilities.TryGetAsciiString((byte *)span.UnsafePointer, output + offset, span.Length))
{
throw new InvalidOperationException();
}
offset += span.Length;
}
}
return(asciiString);
}
/// <summary>
/// Decodes the ASCII encoded bytes in the <see cref="ReadableBuffer"/> into a <see cref="string"/>
/// </summary>
/// <param name="buffer">The buffer to decode</param>
public unsafe static string GetAsciiString(this ReadableBuffer buffer)
{
if (buffer.IsEmpty)
{
return(null);
}
var asciiString = new string('\0', buffer.Length);
fixed(char *outputStart = asciiString)
{
int offset = 0;
var output = outputStart;
foreach (var memory in buffer)
{
void *pointer;
if (memory.TryGetPointer(out pointer))
{
if (!AsciiUtilities.TryGetAsciiString((byte *)pointer, output + offset, memory.Length))
{
throw new InvalidOperationException();
}
}
else
{
ArraySegment <byte> data;
if (memory.TryGetArray(out data))
{
fixed(byte *ptr = &data.Array[0])
{
if (!AsciiUtilities.TryGetAsciiString(ptr + data.Offset, output + offset, memory.Length))
{
throw new InvalidOperationException();
}
}
}
}
offset += memory.Length;
}
}
return(asciiString);
}