/// <summary>
/// Encapsulates a find operation. Will strip trailing separator as FindFile will not take it.
/// </summary>
/// <param name="directory">The directory to search in.</param>
/// <param name="nameFilter">
/// The filter. Can contain wildcards, full details can be found at
/// <a href="https://msdn.microsoft.com/en-us/library/ff469270.aspx">[MS-FSA] 2.1.4.4 Algorithm for Determining if a FileName Is in an Expression</a>.
/// </param>
/// <param name="getAlternateName">Returns the alternate (short) file name in the FindResult.AlternateName field if it exists.</param>
public FindOperation(
string directory,
string nameFilter = "*",
bool recursive = false,
IFindTransform <T> findTransform = null,
IFindFilter findFilter = null)
{
_directory = directory;
_recursive = recursive;
if (findTransform == null)
{
if (typeof(T) == typeof(string))
{
findTransform = (IFindTransform <T>)FindTransforms.ToFullPath.Instance;
}
else if (typeof(T) == typeof(FindResult))
{
findTransform = (IFindTransform <T>)FindTransforms.ToFindResult.Instance;
}
else
{
throw new ArgumentException(nameof(findTransform), $"No default filter for {typeof(T)}");
}
}
_transform = findTransform;
_filter = findFilter ?? new FindFilters.Multiple(FindFilters.NormalDirectory.Instance, new FindFilters.DosMatch(nameFilter, ignoreCase: true));
}
/// <summary>
/// Creates a wrapper for finding files.
/// </summary>
/// <param name="directory">The directory to search in.</param>
/// <param name="recursive">True to find files recursively.</param>
/// <param name="nameFilter">
/// The filename filter. Can contain wildcards, full details can be found at
/// <a href="https://msdn.microsoft.com/en-us/library/ff469270.aspx">[MS-FSA] 2.1.4.4 Algorithm for Determining if a FileName Is in an Expression</a>.
/// If custom <paramref name="findFilter"/> is specified this parameter is ignored.
/// </param>
/// <param name="findFilter">Custom filter, if default behavior isn't desired. (Which is no "." or "..", and use the filter string.)</param>
/// <param name="findTransform">Custom transform, if the default transform isn't desired.</param>
public static FindOperation <T> CreateFindOperation <T>(
string directory,
string nameFilter = "*",
bool recursive = false,
IFindTransform <T> findTransform = null,
IFindFilter findFilter = null)
{
return(new FindOperation <T>(directory, nameFilter, recursive, findTransform, findFilter));
}
