| public static Assert ( bool condition ) : void | ||
| condition | bool | |
| return | void | |
////////////////////////////////////////////////////////////////////////////
//
// Format the positive integer value to a string and perfix with assigned
// length of leading zero.
//
// Parameters:
// value: The value to format
// len: The maximum length for leading zero.
// If the digits of the value is greater than len, no leading zero is added.
//
// Notes:
// The function can format to Int32.MaxValue.
//
////////////////////////////////////////////////////////////////////////////
internal static void FormatDigits(StringBuilder outputBuffer, int value, int len)
{
Contract.Assert(value >= 0, "DateTimeFormat.FormatDigits(): value >= 0");
FormatDigits(outputBuffer, value, len, false);
}
internal unsafe static void Memcpy(byte *dest, byte *src, int len)
{
Contract.Assert(len >= 0, "Negative length in memcopy!");
Memmove(dest, src, (uint)len);
}
[System.Security.SecurityCritical] // auto-generated
internal unsafe static int IndexOfByte(byte *src, byte value, int index, int count)
{
Contract.Assert(src != null, "src should not be null");
byte *pByte = src + index;
// Align up the pointer to sizeof(int).
while (((int)pByte & 3) != 0)
{
if (count == 0)
{
return(-1);
}
else if (*pByte == value)
{
return((int)(pByte - src));
}
count--;
pByte++;
}
// Fill comparer with value byte for comparisons
//
// comparer = 0/0/value/value
uint comparer = (((uint)value << 8) + (uint)value);
// comparer = value/value/value/value
comparer = (comparer << 16) + comparer;
// Run through buffer until we hit a 4-byte section which contains
// the byte we're looking for or until we exhaust the buffer.
while (count > 3)
{
// Test the buffer for presence of value. comparer contains the byte
// replicated 4 times.
uint t1 = *(uint *)pByte;
t1 = t1 ^ comparer;
uint t2 = 0x7efefeff + t1;
t1 = t1 ^ 0xffffffff;
t1 = t1 ^ t2;
t1 = t1 & 0x81010100;
// if t1 is zero then these 4-bytes don't contain a match
if (t1 != 0)
{
// We've found a match for value, figure out which position it's in.
int foundIndex = (int)(pByte - src);
if (pByte[0] == value)
{
return(foundIndex);
}
else if (pByte[1] == value)
{
return(foundIndex + 1);
}
else if (pByte[2] == value)
{
return(foundIndex + 2);
}
else if (pByte[3] == value)
{
return(foundIndex + 3);
}
}
count -= 4;
pByte += 4;
}
// Catch any bytes that might be left at the tail of the buffer
while (count > 0)
{
if (*pByte == value)
{
return((int)(pByte - src));
}
count--;
pByte++;
}
// If we don't have a match return -1;
return(-1);
}
//
// This function will convert an ExceptionResource enum value to the resource string.
//
internal static string GetResourceName(ExceptionResource resource)
{
string resourceName = null;
switch (resource)
{
case ExceptionResource.Argument_ImplementIComparable:
resourceName = "Argument_ImplementIComparable";
break;
case ExceptionResource.Argument_AddingDuplicate:
resourceName = "Argument_AddingDuplicate";
break;
case ExceptionResource.ArgumentOutOfRange_BiggerThanCollection:
resourceName = "ArgumentOutOfRange_BiggerThanCollection";
break;
case ExceptionResource.ArgumentOutOfRange_Count:
resourceName = "ArgumentOutOfRange_Count";
break;
case ExceptionResource.ArgumentOutOfRange_Index:
resourceName = "ArgumentOutOfRange_Index";
break;
case ExceptionResource.ArgumentOutOfRange_InvalidThreshold:
resourceName = "ArgumentOutOfRange_InvalidThreshold";
break;
case ExceptionResource.ArgumentOutOfRange_ListInsert:
resourceName = "ArgumentOutOfRange_ListInsert";
break;
case ExceptionResource.ArgumentOutOfRange_NeedNonNegNum:
resourceName = "ArgumentOutOfRange_NeedNonNegNum";
break;
case ExceptionResource.ArgumentOutOfRange_SmallCapacity:
resourceName = "ArgumentOutOfRange_SmallCapacity";
break;
case ExceptionResource.Arg_ArrayPlusOffTooSmall:
resourceName = "Arg_ArrayPlusOffTooSmall";
break;
case ExceptionResource.Arg_RankMultiDimNotSupported:
resourceName = "Arg_RankMultiDimNotSupported";
break;
case ExceptionResource.Arg_NonZeroLowerBound:
resourceName = "Arg_NonZeroLowerBound";
break;
case ExceptionResource.Argument_InvalidArrayType:
resourceName = "Argument_InvalidArrayType";
break;
case ExceptionResource.Argument_InvalidOffLen:
resourceName = "Argument_InvalidOffLen";
break;
case ExceptionResource.Argument_ItemNotExist:
resourceName = "Argument_ItemNotExist";
break;
case ExceptionResource.InvalidOperation_CannotRemoveFromStackOrQueue:
resourceName = "InvalidOperation_CannotRemoveFromStackOrQueue";
break;
case ExceptionResource.InvalidOperation_EmptyQueue:
resourceName = "InvalidOperation_EmptyQueue";
break;
case ExceptionResource.InvalidOperation_EnumOpCantHappen:
resourceName = "InvalidOperation_EnumOpCantHappen";
break;
case ExceptionResource.InvalidOperation_EnumFailedVersion:
resourceName = "InvalidOperation_EnumFailedVersion";
break;
case ExceptionResource.InvalidOperation_EmptyStack:
resourceName = "InvalidOperation_EmptyStack";
break;
case ExceptionResource.InvalidOperation_EnumNotStarted:
resourceName = "InvalidOperation_EnumNotStarted";
break;
case ExceptionResource.InvalidOperation_EnumEnded:
resourceName = "InvalidOperation_EnumEnded";
break;
case ExceptionResource.NotSupported_KeyCollectionSet:
resourceName = "NotSupported_KeyCollectionSet";
break;
case ExceptionResource.NotSupported_ReadOnlyCollection:
resourceName = "NotSupported_ReadOnlyCollection";
break;
case ExceptionResource.NotSupported_ValueCollectionSet:
resourceName = "NotSupported_ValueCollectionSet";
break;
case ExceptionResource.NotSupported_SortedListNestedWrite:
resourceName = "NotSupported_SortedListNestedWrite";
break;
case ExceptionResource.Serialization_InvalidOnDeser:
resourceName = "Serialization_InvalidOnDeser";
break;
case ExceptionResource.Serialization_MissingKeys:
resourceName = "Serialization_MissingKeys";
break;
case ExceptionResource.Serialization_NullKey:
resourceName = "Serialization_NullKey";
break;
case ExceptionResource.Argument_InvalidType:
resourceName = "Argument_InvalidType";
break;
case ExceptionResource.Argument_InvalidArgumentForComparison:
resourceName = "Argument_InvalidArgumentForComparison";
break;
case ExceptionResource.InvalidOperation_NoValue:
resourceName = "InvalidOperation_NoValue";
break;
case ExceptionResource.InvalidOperation_RegRemoveSubKey:
resourceName = "InvalidOperation_RegRemoveSubKey";
break;
case ExceptionResource.Arg_RegSubKeyAbsent:
resourceName = "Arg_RegSubKeyAbsent";
break;
case ExceptionResource.Arg_RegSubKeyValueAbsent:
resourceName = "Arg_RegSubKeyValueAbsent";
break;
case ExceptionResource.Arg_RegKeyDelHive:
resourceName = "Arg_RegKeyDelHive";
break;
case ExceptionResource.Security_RegistryPermission:
resourceName = "Security_RegistryPermission";
break;
case ExceptionResource.Arg_RegSetStrArrNull:
resourceName = "Arg_RegSetStrArrNull";
break;
case ExceptionResource.Arg_RegSetMismatchedKind:
resourceName = "Arg_RegSetMismatchedKind";
break;
case ExceptionResource.UnauthorizedAccess_RegistryNoWrite:
resourceName = "UnauthorizedAccess_RegistryNoWrite";
break;
case ExceptionResource.ObjectDisposed_RegKeyClosed:
resourceName = "ObjectDisposed_RegKeyClosed";
break;
case ExceptionResource.Arg_RegKeyStrLenBug:
resourceName = "Arg_RegKeyStrLenBug";
break;
case ExceptionResource.Argument_InvalidRegistryKeyPermissionCheck:
resourceName = "Argument_InvalidRegistryKeyPermissionCheck";
break;
case ExceptionResource.NotSupported_InComparableType:
resourceName = "NotSupported_InComparableType";
break;
case ExceptionResource.Argument_InvalidRegistryOptionsCheck:
resourceName = "Argument_InvalidRegistryOptionsCheck";
break;
case ExceptionResource.Argument_InvalidRegistryViewCheck:
resourceName = "Argument_InvalidRegistryViewCheck";
break;
default:
Contract.Assert(false, "The enum value is not defined, please checked ExceptionArgumentName Enum.");
return(string.Empty);
}
return(resourceName);
}
//
// This function will convert an ExceptionArgument enum value to the argument name string.
//
internal static string GetArgumentName(ExceptionArgument argument)
{
string argumentName = null;
switch (argument)
{
case ExceptionArgument.array:
argumentName = "array";
break;
case ExceptionArgument.arrayIndex:
argumentName = "arrayIndex";
break;
case ExceptionArgument.capacity:
argumentName = "capacity";
break;
case ExceptionArgument.collection:
argumentName = "collection";
break;
case ExceptionArgument.list:
argumentName = "list";
break;
case ExceptionArgument.converter:
argumentName = "converter";
break;
case ExceptionArgument.count:
argumentName = "count";
break;
case ExceptionArgument.dictionary:
argumentName = "dictionary";
break;
case ExceptionArgument.dictionaryCreationThreshold:
argumentName = "dictionaryCreationThreshold";
break;
case ExceptionArgument.index:
argumentName = "index";
break;
case ExceptionArgument.info:
argumentName = "info";
break;
case ExceptionArgument.key:
argumentName = "key";
break;
case ExceptionArgument.match:
argumentName = "match";
break;
case ExceptionArgument.obj:
argumentName = "obj";
break;
case ExceptionArgument.queue:
argumentName = "queue";
break;
case ExceptionArgument.stack:
argumentName = "stack";
break;
case ExceptionArgument.startIndex:
argumentName = "startIndex";
break;
case ExceptionArgument.value:
argumentName = "value";
break;
case ExceptionArgument.name:
argumentName = "name";
break;
case ExceptionArgument.mode:
argumentName = "mode";
break;
case ExceptionArgument.item:
argumentName = "item";
break;
case ExceptionArgument.options:
argumentName = "options";
break;
case ExceptionArgument.view:
argumentName = "view";
break;
case ExceptionArgument.sourceBytesToCopy:
argumentName = "sourceBytesToCopy";
break;
default:
Contract.Assert(false, "The enum value is not defined, please checked ExceptionArgumentName Enum.");
return(string.Empty);
}
return(argumentName);
}
[System.Security.SecuritySafeCritical] // auto-generated
public Variant(Object obj)
{
m_data1 = 0;
m_data2 = 0;
VarEnum vt = VarEnum.VT_EMPTY;
if (obj is DateTime)
{
m_objref = null;
m_flags = CV_DATETIME;
ulong ticks = (ulong)((DateTime)obj).Ticks;
m_data1 = (int)ticks;
m_data2 = (int)(ticks >> 32);
return;
}
if (obj is String)
{
m_flags = CV_STRING;
m_objref = obj;
return;
}
if (obj == null)
{
this = Empty;
return;
}
if (obj == System.DBNull.Value)
{
this = DBNull;
return;
}
if (obj == Type.Missing)
{
this = Missing;
return;
}
if (obj is Array)
{
m_flags = CV_OBJECT | ArrayBitMask;
m_objref = obj;
return;
}
// Compiler appeasement
m_flags = CV_EMPTY;
m_objref = null;
// Check to see if the object passed in is a wrapper object.
if (obj is UnknownWrapper)
{
vt = VarEnum.VT_UNKNOWN;
obj = ((UnknownWrapper)obj).WrappedObject;
}
else if (obj is DispatchWrapper)
{
vt = VarEnum.VT_DISPATCH;
obj = ((DispatchWrapper)obj).WrappedObject;
}
else if (obj is ErrorWrapper)
{
vt = VarEnum.VT_ERROR;
obj = (Object)(((ErrorWrapper)obj).ErrorCode);
Contract.Assert(obj != null, "obj != null");
}
else if (obj is CurrencyWrapper)
{
vt = VarEnum.VT_CY;
obj = (Object)(((CurrencyWrapper)obj).WrappedObject);
Contract.Assert(obj != null, "obj != null");
}
else if (obj is BStrWrapper)
{
vt = VarEnum.VT_BSTR;
obj = (Object)(((BStrWrapper)obj).WrappedObject);
}
if (obj != null)
{
SetFieldsObject(obj);
}
// If the object passed in is one of the wrappers then set the VARIANT type.
if (vt != VarEnum.VT_EMPTY)
{
m_flags |= ((int)vt << VTBitShift);
}
}
public static String Normalize(this string value, NormalizationForm normalizationForm)
{
Contract.Requires(value != null);
if (value == null)
{
throw new ArgumentNullException("value");
}
// we depend on Win32 last error when calling NormalizeString
Interop.mincore.SetLastError(Interop.ERROR_SUCCESS);
// Guess our buffer size first
int iLength = Interop.mincore.NormalizeString((int)normalizationForm, value, value.Length, null, 0);
int lastError = Marshal.GetLastWin32Error();
// Could have an error (actually it'd be quite hard to have an error here)
if ((lastError != Interop.ERROR_SUCCESS && lastError != Interop.LAST_ERROR_TRASH_VALUE) ||
iLength < 0)
{
if (lastError == Interop.ERROR_INVALID_PARAMETER)
{
throw new ArgumentException(SR.Argument_InvalidCharSequenceNoIndex, "value");
}
// We shouldn't really be able to get here..., guessing length is
// a trivial math function...
// Can't really be Out of Memory, but just in case:
if (lastError == Interop.ERROR_NOT_ENOUGH_MEMORY)
{
throw new OutOfMemoryException(SR.Arg_OutOfMemoryException);
}
// Who knows what happened? Not us!
throw new InvalidOperationException(SR.Format(SR.UnknownError_Num, lastError));
}
// Don't break for empty strings (only possible for D & KD and not really possible at that)
if (iLength == 0)
{
return(String.Empty);
}
// Someplace to stick our buffer
char[] cBuffer = null;
for (; ;)
{
// (re)allocation buffer and normalize string
cBuffer = new char[iLength];
// Reset last error
Interop.mincore.SetLastError(Interop.ERROR_SUCCESS);
iLength = Interop.mincore.NormalizeString((int)normalizationForm, value, value.Length, cBuffer, cBuffer.Length);
lastError = Marshal.GetLastWin32Error();
if (lastError == Interop.ERROR_SUCCESS || lastError == Interop.LAST_ERROR_TRASH_VALUE)
{
break;
}
// Could have an error (actually it'd be quite hard to have an error here)
switch (lastError)
{
// Do appropriate stuff for the individual errors:
case Interop.ERROR_INSUFFICIENT_BUFFER:
iLength = Math.Abs(iLength);
Contract.Assert(iLength > cBuffer.Length, "Buffer overflow should have iLength > cBuffer.Length");
continue;
case Interop.ERROR_INVALID_PARAMETER:
case Interop.ERROR_NO_UNICODE_TRANSLATION:
// Illegal code point or order found. Ie: FFFE or D800 D800, etc.
throw new ArgumentException(SR.Argument_InvalidCharSequenceNoIndex, "value");
case Interop.ERROR_NOT_ENOUGH_MEMORY:
throw new OutOfMemoryException(SR.Arg_OutOfMemoryException);
default:
// We shouldn't get here...
throw new InvalidOperationException(SR.Format(SR.UnknownError_Num, lastError));
}
}
// Copy our buffer into our new string, which will be the appropriate size
return(new String(cBuffer, 0, iLength));
}
public void Resuming()
{
Contract.Assert(isPaused);
isPaused = false;
ResumeEvent.Set();
}