/// <summary>
/// Gets files from the specified directory using globbing patterns.
/// </summary>
/// <param name="directory">The directory to search.</param>
/// <param name="patterns">The globbing pattern(s) to use.</param>
/// <returns>Files that match the globbing pattern(s).</returns>
public static IEnumerable <FileInfo> GetFiles(DirectoryInfo directory, IEnumerable <string> patterns)
{
// Initially based on code from Reliak.FileSystemGlobbingExtensions (https://github.com/reliak/Reliak.FileSystemGlobbingExtensions)
var matcher = new Matcher(StringComparison.OrdinalIgnoreCase);
// Expand braces
var expandedPatterns = patterns
.SelectMany(ExpandBraces)
.Select(f => f.Replace("\\{", "{").Replace("\\}", "}")); // Unescape braces
// Add the patterns, any that start with ! are exclusions
foreach (var expandedPattern in expandedPatterns)
{
var isExclude = expandedPattern[0] == '!';
var finalPattern = isExclude ? expandedPattern.Substring(1) : expandedPattern;
finalPattern = finalPattern
.Replace("\\!", "!") // Unescape negation
.Replace("\\", "/"); // Normalize slashes
// No support for absolute paths
if (System.IO.Path.IsPathRooted(finalPattern))
{
throw new ArgumentException($"Rooted globbing patterns are not supported ({expandedPattern})", nameof(patterns));
}
// Add exclude or include pattern to matcher
if (isExclude)
{
matcher.AddExclude(finalPattern);
}
else
{
matcher.AddInclude(finalPattern);
}
}
DirectoryInfoBase directoryInfo = new DirectoryInfoWrapper(directory);
var result = matcher.Execute(directoryInfo);
return(result.Files.Select(match => directoryInfo.GetFile(match.Path)).Select(fb => new FileInfo(fb.FullName)));
}
