private void EnumerateRecursive(IFindInFilesNode root, string relative, out bool cancelled)
{
currentPath = root;
cancelled = false;
foreach (IFindInFilesItem file in root.GetFiles())
{
if (CancellationPending)
{
cancelled = true;
return;
}
bool include;
{
include = extensionsIncluded.Length == 0;
string extension = file.GetExtension().ToLowerInvariant();
if (!include && (Array.IndexOf(extensionsIncluded, extension) >= 0))
{
include = true;
}
if (include && (Array.IndexOf(extensionsExcluded, extension) >= 0))
{
include = false;
}
}
if (include)
{
TestFile(file, relative);
}
}
foreach (IFindInFilesNode dir in root.GetDirectories())
{
if (CancellationPending)
{
cancelled = true;
return;
}
EnumerateRecursive(dir, Path.Combine(relative, dir.GetFileName()), out cancelled);
}
}
public IFindInFilesNode[] GetDirectories()
{
string[] directories = Directory.GetDirectories(root);
IFindInFilesNode[] nodes = new IFindInFilesNode[directories.Length];
for (int i = 0; i < nodes.Length; i++)
{
nodes[i] = new FindInFilesNode(directories[i]);
}
return nodes;
}
public FindInFilesTask(
string pattern,
IFindInFilesNode root,
string extensions,
bool caseSensitive,
bool matchWholeWords)
{
if (String.IsNullOrEmpty(pattern))
{
throw new ArgumentException();
}
// ensure valid root
try
{
root.GetFiles();
}
catch (Exception)
{
throw new ArgumentException();
}
this.pattern = pattern;
this.root = root;
if (!String.IsNullOrEmpty(extensions))
{
List<string> extensionsIncluded = new List<string>();
List<string> extensionsExcluded = new List<string>();
foreach (string extension1 in extensions.Split(new char[] { ';', ',' }, StringSplitOptions.RemoveEmptyEntries))
{
string extension = extension1;
if (extension.StartsWith("*"))
{
extension = extension.Substring(1);
}
bool exclude = extension.StartsWith("!");
if (exclude)
{
extension = extension.Substring(1);
}
if (!extension.StartsWith("."))
{
extension = String.Concat(".", extension);
}
if (!exclude)
{
extensionsIncluded.Add(extension);
}
else
{
extensionsExcluded.Add(extension);
}
}
this.extensionsIncluded = extensionsIncluded.ToArray();
this.extensionsExcluded = extensionsExcluded.ToArray();
}
this.caseSensitive = caseSensitive;
this.matchWholeWords = matchWholeWords;
this.WorkerReportsProgress = true;
this.WorkerSupportsCancellation = true;
}
