protected override Variable Evaluate(ParsingScript script)
{
string dirname = (!script.StillValid() || script.Current == Constants.END_STATEMENT) ?
Directory.GetCurrentDirectory() :
Utils.GetToken(script, Constants.NEXT_OR_END_ARRAY);
//List<Variable> results = Utils.GetPathnames(dirname);
List <Variable> results = new List <Variable>();
int index = dirname.IndexOf('*');
if (index < 0 && !Directory.Exists(dirname) && !File.Exists(dirname))
{
throw new ArgumentException("Directory [" + dirname + "] doesn't exist");
}
string pattern = Constants.ALL_FILES;
try {
string dir = index < 0 ? Path.GetFullPath(dirname) : dirname;
if (File.Exists(dir))
{
FileInfo fi = new FileInfo(dir);
Interpreter.Instance.AppendOutput(Utils.GetPathDetails(fi, fi.Name), true);
results.Add(new Variable(fi.Name));
return(new Variable(results));
}
// Special dealing if there is a pattern (only * is supported at the moment)
if (index >= 0)
{
pattern = Path.GetFileName(dirname);
if (index > 0)
{
string prefix = dirname.Substring(0, index);
DirectoryInfo di = Directory.GetParent(prefix);
dirname = di.FullName;
}
else
{
dirname = ".";
}
}
dir = Path.GetFullPath(dirname);
// First get contents of the directory (unless there is a pattern)
DirectoryInfo dirInfo = new DirectoryInfo(dir);
if (pattern == Constants.ALL_FILES)
{
Interpreter.Instance.AppendOutput(Utils.GetPathDetails(dirInfo, "."), true);
if (dirInfo.Parent != null)
{
Interpreter.Instance.AppendOutput(Utils.GetPathDetails(dirInfo.Parent, ".."), true);
}
}
// Then get contents of all of the files in the directory
FileInfo[] fileNames = dirInfo.GetFiles(pattern);
foreach (FileInfo fi in fileNames)
{
try {
Interpreter.Instance.AppendOutput(Utils.GetPathDetails(fi, fi.Name), true);
results.Add(new Variable(fi.Name));
} catch (Exception) {
continue;
}
}
// Then get contents of all of the subdirs in the directory
DirectoryInfo[] dirInfos = dirInfo.GetDirectories(pattern);
foreach (DirectoryInfo di in dirInfos)
{
try {
Interpreter.Instance.AppendOutput(Utils.GetPathDetails(di, di.Name), true);
results.Add(new Variable(di.Name));
} catch (Exception) {
continue;
}
}
} catch (Exception exc) {
throw new ArgumentException("Couldn't list directory: " + exc.Message);
}
return(new Variable(results));
}
