public unsafe ValueString CreateValueString(ValueString vs)
{
EnsureSpace(vs._length);
fixed(char *dest = str)
{
var destx = dest + used;
var offset = used;
fixed(char *source = vs._string)
{
#if NET35
ValueString.CopyChars(source + vs._start, destx, vs._length);
#else
Buffer.MemoryCopy((void *)(source + vs._start), destx, vs._length * 2, vs._length * 2);
#endif
}
used += vs._length;
return(new ValueString(str, offset, vs._length));
}
}
public unsafe ValueString CreateValueString(char[] arr, int start, int length)
{
if (length == 0)
{
return(ValueString.Empty);
}
if (start + length > arr.Length)
{
throw new ArgumentException();
}
EnsureSpace(length);
fixed(char *ptr = str)
{
fixed(char *src = arr)
{
ValueString.CopyChars(ptr + used, src + start, length);
var offset = used;
used += length;
return(new ValueString(str, offset, length));
}
}
}
