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added filename glob matching.

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This commit is contained in:
morkt 2016-03-06 15:17:26 +04:00
parent ecce8f59ef
commit 05aa1568ea
1 changed files with 29 additions and 1 deletions
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30
GameRes/FileSystem.cs
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@ -665,11 +665,39 @@ namespace GameRes
{
m_vfs.Flush();
}
public static IEnumerable<Entry> GetFiles ()
{
return m_vfs.Top.GetFiles();
}
/// <summary>
/// Returns enumeration of files within current directory that match specified pattern.
/// </summary>
public static IEnumerable<Entry> GetFiles (string pattern)
{
var glob = new FileNameGlob (pattern);
return GetFiles().Where (f => glob.IsMatch (Path.GetFileName (f.Name)));
}
}
public class FileNameGlob
{
Regex m_glob;
public FileNameGlob (string pattern)
{
pattern = Regex.Escape (pattern);
if (pattern.EndsWith (@"\.\*")) // "*" and "*.*" are equivalent
pattern = pattern.Remove (pattern.Length-4) + @"(?:\..*)?";
pattern = pattern.Replace (@"\*", ".*").Replace (@"\?", ".");
m_glob = new Regex ("^"+pattern+"$", RegexOptions.IgnoreCase);
}
public bool IsMatch (string str)
{
return m_glob.IsMatch (str);
}
}
public class UnknownFormatException : FileFormatException