[System.Security.SecuritySafeCritical] // auto-generated
public static unsafe long ToInt64(byte[] value, int startIndex)
{
if (value == null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.value);
}
if ((uint)startIndex >= value.Length)
{
ThrowHelper.ThrowStartIndexArgumentOutOfRange_ArgumentOutOfRange_Index();
}
if (startIndex > value.Length - 8)
{
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_ArrayPlusOffTooSmall);
}
Contract.EndContractBlock();
fixed(byte *pbyte = &value[startIndex])
{
if (startIndex % 8 == 0) // data is aligned
{
return(*((long *)pbyte));
}
else
{
if (IsLittleEndian)
{
int i1 = (*pbyte) | (*(pbyte + 1) << 8) | (*(pbyte + 2) << 16) | (*(pbyte + 3) << 24);
int i2 = (*(pbyte + 4)) | (*(pbyte + 5) << 8) | (*(pbyte + 6) << 16) | (*(pbyte + 7) << 24);
return((uint)i1 | ((long)i2 << 32));
}
else
{
int i1 = (*pbyte << 24) | (*(pbyte + 1) << 16) | (*(pbyte + 2) << 8) | (*(pbyte + 3));
int i2 = (*(pbyte + 4) << 24) | (*(pbyte + 5) << 16) | (*(pbyte + 6) << 8) | (*(pbyte + 7));
return((uint)i2 | ((long)i1 << 32));
}
}
}
}
public T this[int index]
{
get
{
if ((uint)index >= (uint)_count)
{
ThrowHelper.ThrowArgumentOutOfRange_IndexException();
}
return(_array[_offset + index]);
}
set
{
if ((uint)index >= (uint)_count)
{
ThrowHelper.ThrowArgumentOutOfRange_IndexException();
}
_array[_offset + index] = value;
}
}
// Copies length elements from sourceArray, starting at index 0, to
// destinationArray, starting at index 0.
//
public static unsafe void Copy(Array sourceArray, Array destinationArray, int length)
{
if (sourceArray == null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.sourceArray);
}
if (destinationArray == null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.destinationArray);
}
MethodTable *pMT = RuntimeHelpers.GetMethodTable(sourceArray);
if (pMT == RuntimeHelpers.GetMethodTable(destinationArray) &&
!pMT->IsMultiDimensionalArray &&
(uint)length <= sourceArray.NativeLength &&
(uint)length <= destinationArray.NativeLength)
{
nuint byteCount = (uint)length * (nuint)pMT->ComponentSize;
ref byte src = ref Unsafe.As <RawArrayData>(sourceArray).Data;
ref byte dst = ref Unsafe.As <RawArrayData>(destinationArray).Data;
// Constructs a DateTimeOffset from a string. The string must specify a
// date and optionally a time in a culture-specific or universal format.
// Leading and trailing whitespace characters are allowed.
//
public static DateTimeOffset ParseExact(string input, string format, IFormatProvider?formatProvider, DateTimeStyles styles)
{
styles = ValidateStyles(styles, nameof(styles));
if (input == null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.input);
}
if (format == null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.format);
}
TimeSpan offset;
DateTime dateResult = DateTimeParse.ParseExact(input,
format,
DateTimeFormatInfo.GetInstance(formatProvider),
styles,
out offset);
return(new DateTimeOffset(dateResult.Ticks, offset));
}
public int IndexOfAny(char[] anyOf, int startIndex, int count)
{
if (anyOf is null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.anyOf);
}
if ((uint)startIndex > (uint)Length)
{
ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.startIndex, ExceptionResource.ArgumentOutOfRange_Index);
}
if ((uint)count > (uint)(Length - startIndex))
{
ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.count, ExceptionResource.ArgumentOutOfRange_Count);
}
int result = new ReadOnlySpan <char>(ref Unsafe.Add(ref _firstChar, startIndex), count).IndexOfAny(anyOf);
return(result < 0 ? result : result + startIndex);
}
public void SetValue(object value, int index)
{
if (Rank != 1)
{
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_Need1DArray);
}
var lb = GetLowerBound(0);
if (index < lb || index > GetUpperBound(0))
{
throw new IndexOutOfRangeException("Index has to be >= lower bound and <= upper bound of the array.");
}
if (GetType().GetElementType().IsPointer)
{
throw new NotSupportedException(SR.NotSupported_Type);
}
SetValueImpl(value, index - lb);
}
public ReadOnlySpan(T[]? array, int start, int length)
{
if (array == null)
{
if (start != 0 || length != 0)
ThrowHelper.ThrowArgumentOutOfRangeException();
this = default;
return; // returns default
}
#if BIT64
// See comment in Span<T>.Slice for how this works.
if ((ulong)(uint)start + (ulong)(uint)length > (ulong)(uint)array.Length)
ThrowHelper.ThrowArgumentOutOfRangeException();
#else
if ((uint)start > (uint)array.Length || (uint)length > (uint)(array.Length - start))
ThrowHelper.ThrowArgumentOutOfRangeException();
#endif
_pointer = new ByReference<T>(ref Unsafe.Add(ref Unsafe.As<byte, T>(ref array.GetRawSzArrayData()), start));
_length = length;
}
public object GetValue(int index)
{
if (Rank != 1)
{
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_Need1DArray);
}
var lb = GetLowerBound(0);
if (index < lb || index > GetUpperBound(0))
{
throw new IndexOutOfRangeException("Index has to be between upper and lower bound of the array.");
}
if (GetType().GetElementType() !.IsPointer)
{
throw new NotSupportedException(SR.NotSupported_Type);
}
return(GetValueImpl(index - lb));
}
public ReadOnlyMemory <T> Slice(int start, int length)
{
// Used to maintain the high-bit which indicates whether the Memory has been pre-pinned or not.
int capturedLength = _length;
int actualLength = _length & RemoveFlagsBitMask;
#if BIT64
// See comment in Span<T>.Slice for how this works.
if ((ulong)(uint)start + (ulong)(uint)length > (ulong)(uint)actualLength)
{
ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.start);
}
#else
if ((uint)start > (uint)actualLength || (uint)length > (uint)(actualLength - start))
{
ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.start);
}
#endif
// Set the high-bit to match the this._length high bit (1 for pre-pinned, 0 for unpinned).
return(new ReadOnlyMemory <T>(_object, _index + start, length | (capturedLength & ~RemoveFlagsBitMask)));
}
public Span(T[] array, int start)
{
if (array == null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.array);
}
if (default(T) == null && array.GetType() != typeof(T[]))
{
ThrowHelper.ThrowArrayTypeMismatchException_ArrayTypeMustBeExactMatch(typeof(T));
}
int arrayLength = array.Length;
if ((uint)start > (uint)arrayLength)
{
ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.start);
}
_length = arrayLength - start;
_pinnable = Unsafe.As <Pinnable <T> >(array);
_byteOffset = SpanHelpers.PerTypeValues <T> .ArrayAdjustment.Add <T>(start);
}
public Utf8String Substring(int startIndex)
{
if ((uint)startIndex > (uint)this.Length)
{
ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.startIndex);
}
// Optimizations: since instances are immutable, we can return 'this' or the known
// Empty instance if the caller passed us a startIndex at the string boundary.
if (startIndex == 0)
{
return(this);
}
if (startIndex == Length)
{
return(Empty);
}
return(InternalSubstring(startIndex, Length - startIndex));
}
// Skips zero-initialization of the array if possible. If T contains object references,
// the array is always zero-initialized.
internal static T[] AllocateUninitializedArray <T>(int length)
{
if (length < 0)
{
ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.lengths, 0, ExceptionResource.ArgumentOutOfRange_NeedNonNegNum);
}
#if DEBUG
// in DEBUG arrays of any length can be created uninitialized
#else
// otherwise small arrays are allocated using `new[]` as that is generally faster.
//
// The threshold was derived from various simulations.
// As it turned out the threshold depends on overal pattern of all allocations and is typically in 200-300 byte range.
// The gradient around the number is shallow (there is no perf cliff) and the exact value of the threshold does not matter a lot.
// So it is 256 bytes including array header.
if (Unsafe.SizeOf <T>() * length < 256 - 3 * IntPtr.Size)
{
return(new T[length]);
}
#endif
return((T[])AllocateNewArray(typeof(T[]).TypeHandle.Value, length, zeroingOptional: true));
}
public unsafe int LastIndexOf(char value, int startIndex, int count)
{
if (Length == 0)
{
return(-1);
}
if ((uint)startIndex >= (uint)Length)
{
ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.startIndex, ExceptionResource.ArgumentOutOfRange_Index);
}
if ((uint)count > (uint)startIndex + 1)
{
ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.count, ExceptionResource.ArgumentOutOfRange_Count);
}
int startSearchAt = startIndex + 1 - count;
int result = SpanHelpers.LastIndexOf(ref Unsafe.Add(ref _firstChar, startSearchAt), value, count);
return(result < 0 ? result : result + startSearchAt);
}
public Span(T[] array, int start, int length)
{
if (array == null)
{
if (start != 0 || length != 0)
{
ThrowHelper.ThrowArgumentOutOfRangeException();
}
this = default;
return; // returns default
}
if (default(T) == null && array.GetType() != typeof(T[]))
{
ThrowHelper.ThrowArrayTypeMismatchException();
}
if ((uint)start > (uint)array.Length || (uint)length > (uint)(array.Length - start))
{
ThrowHelper.ThrowArgumentOutOfRangeException();
}
_pointer = new ByReference <T>(ref Unsafe.Add(ref Unsafe.As <byte, T>(ref array.GetRawSzArrayData()), start));
_length = length;
}
/// <summary>
/// Copies the characters from the source span into the destination, converting each character to uppercase.
/// </summary>
public static int ToUpper(this ReadOnlySpan <char> source, Span <char> destination, CultureInfo culture)
{
if (culture == null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.culture);
}
// Assuming that changing case does not affect length
if (destination.Length < source.Length)
{
return(-1);
}
if (GlobalizationMode.Invariant)
{
culture.TextInfo.ToUpperAsciiInvariant(source, destination);
}
else
{
culture.TextInfo.ChangeCase(source, destination, toUpper: true);
}
return(source.Length);
}
[System.Security.SecuritySafeCritical] // auto-generated
public static unsafe int ToInt32(byte[] value, int startIndex)
{
if (value == null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.value);
}
if ((uint)startIndex >= value.Length)
{
ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.startIndex, ExceptionResource.ArgumentOutOfRange_Index);
}
if (startIndex > value.Length - 4)
{
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_ArrayPlusOffTooSmall);
}
Contract.EndContractBlock();
fixed(byte *pbyte = &value[startIndex])
{
if (startIndex % 4 == 0) // data is aligned
{
return(*((int *)pbyte));
}
else
{
if (IsLittleEndian)
{
return((*pbyte) | (*(pbyte + 1) << 8) | (*(pbyte + 2) << 16) | (*(pbyte + 3) << 24));
}
else
{
return((*pbyte << 24) | (*(pbyte + 1) << 16) | (*(pbyte + 2) << 8) | (*(pbyte + 3)));
}
}
}
}
internal Memory(T[]?array, int start)
{
if (array == null)
{
if (start != 0)
{
ThrowHelper.ThrowArgumentOutOfRangeException();
}
this = default;
return; // returns default
}
if (default(T) ! == null && array.GetType() != typeof(T[])) // TODO-NULLABLE: default(T) == null warning (https://github.com/dotnet/roslyn/issues/34757)
{
ThrowHelper.ThrowArrayTypeMismatchException();
}
if ((uint)start > (uint)array.Length)
{
ThrowHelper.ThrowArgumentOutOfRangeException();
}
_object = array;
_index = start;
_length = array.Length - start;
}
T IList <T> .this[int index]
{
get
{
ThrowInvalidOperationIfDefault();
if (index < 0 || index >= _count)
{
ThrowHelper.ThrowArgumentOutOfRange_IndexException();
}
return(_array[_offset + index]);
}
set
{
ThrowInvalidOperationIfDefault();
if (index < 0 || index >= _count)
{
ThrowHelper.ThrowArgumentOutOfRange_IndexException();
}
_array[_offset + index] = value;
}
}
// A span-based equivalent of String.GetHashCode(StringComparison). Uses the specified comparison type.
public static int GetHashCode(ReadOnlySpan <char> value, StringComparison comparisonType)
{
switch (comparisonType)
{
case StringComparison.CurrentCulture:
case StringComparison.CurrentCultureIgnoreCase:
return(CultureInfo.CurrentCulture.CompareInfo.GetHashCode(value, GetCaseCompareOfComparisonCulture(comparisonType)));
case StringComparison.InvariantCulture:
case StringComparison.InvariantCultureIgnoreCase:
return(CultureInfo.InvariantCulture.CompareInfo.GetHashCode(value, GetCaseCompareOfComparisonCulture(comparisonType)));
case StringComparison.Ordinal:
return(GetHashCode(value));
case StringComparison.OrdinalIgnoreCase:
return(GetHashCodeOrdinalIgnoreCase(value));
default:
ThrowHelper.ThrowArgumentException(ExceptionResource.NotSupported_StringComparison, ExceptionArgument.comparisonType);
Debug.Fail("Should not reach this point.");
return(default);
}
}
internal Memory(T[] array, int start)
{
if (array == null)
{
if (start != 0)
{
ThrowHelper.ThrowArgumentOutOfRangeException();
}
this = default;
return; // returns default
}
if (default(T) == null && array.GetType() != typeof(T[]))
{
ThrowHelper.ThrowArrayTypeMismatchException();
}
if ((uint)start > (uint)array.Length)
{
ThrowHelper.ThrowArgumentOutOfRangeException();
}
_object = array;
_index = start;
_length = array.Length - start;
}
public override bool Equals(object obj)
{
ThrowHelper.ThrowInvalidOperationException_ForBoxingSpans(); return(false);
}
void IList <T> .Insert(int index, T item)
{
ThrowHelper.ThrowNotSupportedException();
}
void IList <T> .RemoveAt(int index)
{
ThrowHelper.ThrowNotSupportedException();
}
void ICollection <T> .Clear()
{
ThrowHelper.ThrowNotSupportedException();
}
void ICollection <T> .Add(T item)
{
ThrowHelper.ThrowNotSupportedException();
}
bool ICollection <T> .Remove(T item)
{
ThrowHelper.ThrowNotSupportedException();
return(default);
internal void InternalArray__ICollection_Clear()
{
ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ReadOnlyCollection);
}
static ushort INumber <ushort> .Create <TOther>(TOther value)
{
if (typeof(TOther) == typeof(byte))
{
return((byte)(object)value);
}
else if (typeof(TOther) == typeof(char))
{
return((char)(object)value);
}
else if (typeof(TOther) == typeof(decimal))
{
return(checked ((ushort)(decimal)(object)value));
}
else if (typeof(TOther) == typeof(double))
{
return(checked ((ushort)(double)(object)value));
}
else if (typeof(TOther) == typeof(short))
{
return(checked ((ushort)(short)(object)value));
}
else if (typeof(TOther) == typeof(int))
{
return(checked ((ushort)(int)(object)value));
}
else if (typeof(TOther) == typeof(long))
{
return(checked ((ushort)(long)(object)value));
}
else if (typeof(TOther) == typeof(nint))
{
return(checked ((ushort)(nint)(object)value));
}
else if (typeof(TOther) == typeof(sbyte))
{
return(checked ((ushort)(sbyte)(object)value));
}
else if (typeof(TOther) == typeof(float))
{
return(checked ((ushort)(float)(object)value));
}
else if (typeof(TOther) == typeof(ushort))
{
return((ushort)(object)value);
}
else if (typeof(TOther) == typeof(uint))
{
return(checked ((ushort)(uint)(object)value));
}
else if (typeof(TOther) == typeof(ulong))
{
return(checked ((ushort)(ulong)(object)value));
}
else if (typeof(TOther) == typeof(nuint))
{
return(checked ((ushort)(nuint)(object)value));
}
else
{
ThrowHelper.ThrowNotSupportedException();
return(default);
internal void InternalArray__ICollection_Add <T> (T item)
{
ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_FixedSizeCollection);
}
internal bool InternalArray__ICollection_Remove <T> (T item)
{
ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_FixedSizeCollection);
return(default);
