private void ParsePattern(string pattern, out string[] patterns)
{
patterns = Array.Empty <string>();
if (!string.IsNullOrWhiteSpace(pattern))
{
if (FileMatcher.HasPropertyOrItemReferences(pattern))
{
// Supporting property references would require access to Expander which is unavailable in Microsoft.Build.Tasks
Log.LogErrorWithCodeFromResources("Unzip.ErrorParsingPatternPropertyReferences", pattern);
}
else if (pattern.IndexOfAny(FileUtilities.InvalidPathChars) != -1)
{
Log.LogErrorWithCodeFromResources("Unzip.ErrorParsingPatternInvalidPath", pattern);
}
else
{
patterns = pattern.Contains(';')
? pattern.Split(new[] { ';' }, StringSplitOptions.RemoveEmptyEntries).Select(FileMatcher.Normalize).ToArray()
: new[] { pattern };
}
}
}