String ls(String args[], boolean relative) {
if (args.length < 2)
throw new IllegalArgumentException(
"the ${ls} macro must at least have a directory as parameter");
File dir = domain.getFile(args[1]);
if (!dir.isAbsolute())
throw new IllegalArgumentException(
"the ${ls} macro directory parameter is not absolute: " + dir);
if (!dir.exists())
throw new IllegalArgumentException(
"the ${ls} macro directory parameter does not exist: " + dir);
if (!dir.isDirectory())
throw new IllegalArgumentException(
"the ${ls} macro directory parameter points to a file instead of a directory: " + dir);
Collection<File> files = new ArrayList<File>(new SortedList<File>(dir.listFiles()));
for (int i = 2; i < args.length; i++) {
Instructions filters = new Instructions(args[i]);
files = filters.select(files, true);
}
List<String> result = new ArrayList<String>();
for (File file : files) result.add(relative ? file.getName() : file.getAbsolutePath());
return Processor.join(result, ",");
}
