/// <summary>Constructs the <see cref="FileItemBase"/> with a <see cref="IScanFileInfo"/>.</summary>
///
/// <param name="info">The file information.</param>
/// <param name="type">The type of the item.</param>
/// <param name="flags">The flags for the item (except <see cref="FileAttributes"/>).</param>
private protected FileItemBase(IScanFileInfo info, FileItemType type, FileItemFlags flags)
: this(info.Name, type, flags)
{
LastWriteTimeUtc = info.LastWriteTimeUtc;
Attributes = info.Attributes;
if (!info.IsDirectory && !info.IsSymbolicLink)
{
Size = info.Size;
}
}
/// <summary>Enables or disables the specified flag.</summary>
///
/// <param name="flags">The flags to modify</param>
/// <param name="flag">The flag(s) to set.</param>
/// <param name="value">True if the flags should be set</param>
/// <returns>The modified flags.</returns>
public static FileItemFlags SetFlag(this FileItemFlags flags, FileItemFlags flag, bool value)
{
if (value)
{
return(flags | flag);
}
else
{
return(flags & ~flag);
}
}
/// <summary>Constructs the <see cref="FileItemBase"/> without any file info.</summary>
///
/// <param name="name">The name of the item.</param>
/// <param name="type">The type of the item.</param>
/// <param name="flags">The flags for the item (except <see cref="FileAttributes"/>).</param>
private protected FileItemBase(string name, FileItemType type, FileItemFlags flags)
{
if (flags != FileItemFlags.None)
{
this.flags |= (flags & FileItemFlags.TypeFlagsMask);
}
if (type == FileItemType.Volume)
{
name = PathUtils.AddDirectorySeparator(name);
}
Name = name;
Type = type;
state |= FileItemStates.Exists;
}
/// <summary>Constructs the <see cref="FileItemBase"/> with a <see cref="FileSystemInfo"/>.</summary>
///
/// <param name="info">The file information.</param>
/// <param name="type">The type of the item.</param>
/// <param name="flags">The flags for the item (except <see cref="FileAttributes"/>).</param>
private protected FileItemBase(FileSystemInfo info, FileItemType type, FileItemFlags flags)
: this(info.Name, type, flags)
{
LastWriteTimeUtc = info.LastWriteTimeUtc;
Attributes = info.Attributes;
if (!info.Attributes.HasFlag(FileAttributes.Directory) &&
!info.Attributes.HasFlag(FileAttributes.ReparsePoint) &&
info is FileInfo fileInfo)
{
Size = fileInfo.Length;
}
if (!info.Exists)
{
state &= ~FileItemStates.Exists;
Attributes = 0;
LastWriteTimeUtc = DateTime.MinValue;
}
}
