protected override void ProcessRecord()
{
// name support wildcards.
// the default is { "*" }, which will match and return all special folders defined in SpecialFolderEnumNames
// ps will take care of validating against empty collections and empty/null string
// loop through each name specified
foreach (string nameItem in _name)
{
// create wildcard pattern for the name item
WildcardPattern nameItemPattern = new WildcardPattern(
nameItem,
WildcardOptions.IgnoreCase | WildcardOptions.Compiled | WildcardOptions.CultureInvariant
);
// holds things that match nameItem
// first elem is the enum name that will be parsed, second is specified if it comes from an alias
List <string[]> foundMatch = new List <string[]>();
// deal with alias first
foreach (string altName in SpecialFolderAltNames.Keys)
{
if (nameItemPattern.IsMatch(altName))
{
foundMatch.Add(new string[] { SpecialFolderAltNames[altName], altName });
}
}
// try match with each enum name
foreach (string folderName in SpecialFolderEnumNames)
{
if (nameItemPattern.IsMatch(folderName))
{
foundMatch.Add(new string[] { folderName, null });
}
}
// loop through each enum name specified in SpecialFolderEnumNames
foreach (string[] matchItem in foundMatch)
{
string enumName = matchItem[0];
string altName = matchItem[1];
bool isAltName = (altName != null);
string displayName = isAltName ? altName : enumName;
SpecialFolder specialFolder;
if (Enum.TryParse(enumName, true, out specialFolder))
{
PSObject responseObj = new PSObject();
responseObj.Members.Add(new PSNoteProperty("Name", displayName));
responseObj.Members.Add(new PSNoteProperty("Path",
WindowsUtility.GetSpecialFolder(specialFolder)
));
if (isAltName)
{
responseObj.Members.Add(new PSNoteProperty("IsAlias", true));
responseObj.Members.Add(new PSNoteProperty("Alias", enumName));
}
base.WriteObject(responseObj);
}
else
{
// this shouldn't happen. Keep here for debugging purposes.
throw new InvalidOperationException(string.Format(RS.InvalidEnumName, enumName));
}
}
}
}
