public static Task <IEnumerable <FileInfo> > TraverseDirectoryWithFilterAsync(
string rootDirPath,
BackupRule backupRule,
traverseFSFileAdded callback)
{
return(TraverseDirectoryWithFilterAsync(
rootDirPath,
backupRule.FilterIncludes,
backupRule.FilterExcludes,
callback
));
}
public static IEnumerable <FileInfo> TraverseDirectoryWithFilter(
string rootDirPath,
HashSet <PathFilter> filterIncludes,
HashSet <PathFilter> filterExcludes,
traverseFSFileAdded callback = null)
{
HashSet <FileInfo> files = new HashSet <FileInfo>();
DirectoryInfo rootDir = new DirectoryInfo(rootDirPath);
TraverseDirectoryWithFilter(rootDir, filterIncludes, filterExcludes, callback, files);
return(files);
}
public static async Task <IEnumerable <FileInfo> > TraverseDirectoryWithFilterAsync(
string rootDirPath,
HashSet <PathFilter> filterIncludes,
HashSet <PathFilter> filterExcludes,
traverseFSFileAdded callback)
{
return(await Task.Run(
() => TraverseDirectoryWithFilter(
rootDirPath,
filterIncludes,
filterExcludes,
callback)
));
}
private static void TraverseDirectoryWithFilter(
DirectoryInfo rootDir,
HashSet <PathFilter> filterIncludes,
HashSet <PathFilter> filterExcludes,
traverseFSFileAdded callback,
HashSet <FileInfo> files)
{
foreach (FileInfo file in rootDir.EnumerateFiles()
.Where(f => f.ShouldInclude(filterIncludes, filterExcludes)))
{
callback?.Invoke(file);
files.Add(file);
}
foreach (DirectoryInfo childDir in rootDir.EnumerateDirectories()
.Where(d => d.ShouldInclude(filterIncludes, filterExcludes)))
{
TraverseDirectoryWithFilter(childDir, filterIncludes, filterExcludes, callback, files);
}
}
