/// <summary>
/// Produces paths where directory paths are directory-indicated, and file paths are file-indicated.
/// Returns all file-entries in sorted order.
/// </summary>
/// <remarks>
/// This method involves two calls to the file-system via <see cref="Directory.EnumerateDirectories(string, string, SearchOption)"/> and <see cref="Directory.EnumerateFiles(string, string, SearchOption)"/>.
/// </remarks>
public static IEnumerable <string> EnumerateFileSystemEntryPaths(IStringlyTypedPathOperator stringlyTypedPathOperator, string directoryPath, bool recursive = false)
{
var directoryExists = stringlyTypedPathOperator.ExistsDirectoryPath(directoryPath);
if (!directoryExists)
{
return(Enumerable.Empty <string>());
}
var searchOption = SearchOptionHelper.RecursiveToSearchOption(recursive);
var subDirectoryPaths = Directory.EnumerateDirectories(directoryPath, SearchPatternHelper.All, searchOption);
var filePaths = Directory.EnumerateFiles(directoryPath, SearchPatternHelper.All, searchOption);
var allPaths = new List <string>();
foreach (var subDirectoryPath in subDirectoryPaths)
{
// Directory paths are NOT directory-indicated coming from the Directory.EnumerateDirectories() API.
var outputDirectoryPath = stringlyTypedPathOperator.EnsureDirectoryPathIsDirectoryIndicated(subDirectoryPath);
allPaths.Add(outputDirectoryPath);
}
// File paths ARE file-indicated (not directory-indicated) from from the Directory.EnumerateFiles() API.
allPaths.AddRange(filePaths);
// Sort file paths to return them in order.
allPaths.Sort();
return(allPaths);
}
/// <summary>
/// Uses <see cref="Directory.EnumerateFileSystemEntries(string, string, SearchOption)"/> to get directory file-system entries.
/// This method does not return directory-indicated directory paths.
/// </summary>
/// <remarks>
/// This method involves just one call to the file-system via the <see cref="Directory"/> API.
/// </remarks>
public static IEnumerable <string> EnumerateFileSystemEntryPathsSimple(string directoryPath, bool recursive = false)
{
var searchOption = SearchOptionHelper.RecursiveToSearchOption(recursive);
var enumeratedPaths = Directory.EnumerateFileSystemEntries(directoryPath, SearchPatternHelper.All, searchOption);
return(enumeratedPaths);
}