/// <summary>Initializes a new instance of the <see cref="FileDescriptor" /> class.</summary>
/// <param name="fileDescriptorByte">The file descriptor byte that shall be parsed.</param>
public FileDescriptor(byte fileDescriptorByte)
{
_fileDescriptor = fileDescriptorByte;
_type = SCardHelper.IsSet(_fileDescriptor, FILE_TYPE_MASK, FILE_TYPE_DF)
? FileType.Dedicated
: FileType.Elementary;
// ExtendedType
if (SCardHelper.IsSet(_fileDescriptor, FILE_TYPE_MASK, FILE_TYPE_DF))
{
_extendedType = ExtendedFileType.Dedicated;
}
else if (SCardHelper.IsSet(_fileDescriptor, FILE_TYPE_MASK, FILE_TYPE_WORKING_EF))
{
_extendedType = ExtendedFileType.WorkingElementary;
}
else if (SCardHelper.IsSet(_fileDescriptor, FILE_TYPE_MASK, FILE_TYPE_INTERNAL_EF))
{
_extendedType = ExtendedFileType.InternalElementary;
}
else
{
_extendedType = ExtendedFileType.Proprietary;
}
_shareMode = SCardHelper.IsSet(_fileDescriptor, FILE_SHARE_MODE_MASK, FILE_SHARE_MODE_SHAREABLE)
? FileShareMode.Shareable
: FileShareMode.NotShareable;
_fileStructureInfoCache = null;
}
/// <summary>Initializes a new instance of the <see cref="RecordInfo" /> class.</summary>
/// <param name="fileDescriptor">The file descriptor.</param>
public RecordInfo(byte fileDescriptor)
{
FileDescriptor = fileDescriptor;
IsCyclic = false;
IsLinear = false;
IsFixed = false;
IsVariable = false;
IsSimpleTlv = false;
// IsCyclic
if (SCardHelper.IsSet(fileDescriptor, FILE_STRUCTURING_MASK, FILE_STRUCTURE_IS_CYCLIC))
{
IsCyclic = true;
// IsFixed
IsFixed = true;
}
// IsLinear
if (!IsCyclic)
{
IsLinear = true;
// IsFixed
if (SCardHelper.IsSet(fileDescriptor, FILE_STRUCTURING_MASK, FILE_STRUCTURE_IS_LINEAR_FIXED))
{
IsFixed = true;
}
// IsVariable
if (SCardHelper.IsSet(fileDescriptor, FILE_STRUCTURING_MASK, FILE_STRUCTURE_IS_LINEAR_VARIABLE))
{
IsVariable = true;
}
}
// IsSimpleTlv
if (SCardHelper.IsSet(fileDescriptor, 1, 1))
{
IsSimpleTlv = true;
}
}
protected void UpdateFileInfo()
{
// Type
if (SCardHelper.IsSet(filedescriptor, FILE_TYPE_MASK, FILE_TYPE_DF))
{
_type = FileType.Dedicated;
}
else
{
_type = FileType.Elementary;
}
// ExtendedType
if (SCardHelper.IsSet(filedescriptor, FILE_TYPE_MASK, FILE_TYPE_DF))
{
_extendedtype = ExtendedFileType.Dedicated;
}
else if (SCardHelper.IsSet(filedescriptor, FILE_TYPE_MASK, FILE_TYPE_WORKING_EF))
{
_extendedtype = ExtendedFileType.WorkingElementary;
}
else if (SCardHelper.IsSet(filedescriptor, FILE_TYPE_MASK, FILE_TYPE_INTERNAL_EF))
{
_extendedtype = ExtendedFileType.InternalElementary;
}
else
{
_extendedtype = ExtendedFileType.Proprietary;
}
// ShareMode
if (SCardHelper.IsSet(filedescriptor, FILE_SHARE_MODE_MASK, FILE_SHARE_MODE_SHAREABLE))
{
_sharemode = FileShareMode.Shareable;
}
else
{
_sharemode = FileShareMode.NotShareable;
}
_filestructureinfo = null;
}
protected void UpdateFileInfo()
{
_iscyclic = false;
_islinear = false;
_isfixed = false;
_isvariable = false;
_issimpletlv = false;
// IsCyclic
if (SCardHelper.IsSet(filedescriptor, FILE_STRUCTURE_IS_MASK, FILE_STRUCTURE_IS_CYCLIC))
{
_iscyclic = true;
// IsFixed
_isfixed = true;
}
// IsLinear
if (!_iscyclic)
{
_islinear = true;
// IsFixed
if (SCardHelper.IsSet(filedescriptor, FILE_STRUCTURE_IS_MASK, FILE_STRUCTURE_IS_LINEAR_FIXED))
{
_isfixed = true;
}
// IsVariable
if (SCardHelper.IsSet(filedescriptor, FILE_STRUCTURE_IS_MASK, FILE_STRUCTURE_IS_LINEAR_VARIABLE))
{
_isvariable = true;
}
}
// IsSimpleTlv
if (SCardHelper.IsSet(filedescriptor, 1, 1))
{
_issimpletlv = true;
}
}
/// <summary>Determines whether the specified bits are set.</summary>
/// <param name="mask">The a bit mask.</param>
/// <param name="bits">The bits to check for.</param>
/// <returns>
/// <c>true</c> if the specified bits are set; otherwise, <c>false</c>.</returns>
public bool IsSet(byte mask, byte bits)
{
return(SCardHelper.IsSet(_fileDescriptor, mask, bits));
}
