/**
* Returns the directories and python files in a list.
*
* @param addSubFolders indicates if sub-folders should be added
* @param canonicalFolders used to know if we entered a loop in the listing (with symlinks)
* @return An object with the results of making that listing.
*/
private static PyFileListing getPyFilesBelow(
PyFileListing result,
File file,
FileFilter filter,
IProgressMonitor monitor,
boolean addSubFolders,
int level,
boolean checkHasInit,
String currModuleRep,
Set<File> canonicalFolders) {
if (monitor == null) {
monitor = new NullProgressMonitor();
}
if (file != null && file.exists()) {
// only check files that actually exist
if (file.isDirectory()) {
if (level != 0) {
FastStringBuffer newModuleRep = new FastStringBuffer(currModuleRep, 128);
if (newModuleRep.length() != 0) {
newModuleRep.append(".");
}
newModuleRep.append(file.getName());
currModuleRep = newModuleRep.toString();
}
// check if it is a symlink loop
try {
File canonicalizedDir = file.getCanonicalFile();
if (!canonicalizedDir.equals(file)) {
if (canonicalFolders.contains(canonicalizedDir)) {
return result;
}
}
canonicalFolders.add(canonicalizedDir);
} catch (IOException e) {
PydevPlugin.log(e);
}
File[] files = null;
if (filter != null) {
files = file.listFiles(filter);
} else {
files = file.listFiles();
}
boolean hasInit = false;
List<File> foldersLater = new LinkedList<File>();
for (File file2 : files) {
if (monitor.isCanceled()) {
break;
}
if (file2.isFile()) {
result.addPyFileInfo(new PyFileInfo(file2, currModuleRep));
monitor.worked(1);
monitor.setTaskName("Found:" + file2.toString());
if (checkHasInit && hasInit == false) {
// only check if it has __init__ if really needed
if (PythonPathHelper.isValidInitFile(file2.getName())) {
hasInit = true;
}
}
} else {
foldersLater.add(file2);
}
}
if (!checkHasInit || hasInit || level == 0) {
result.foldersFound.add(file);
for (File folder : foldersLater) {
if (monitor.isCanceled()) {
break;
}
if (folder.isDirectory() && addSubFolders) {
getPyFilesBelow(
result,
folder,
filter,
monitor,
addSubFolders,
level + 1,
checkHasInit,
currModuleRep,
canonicalFolders);
monitor.worked(1);
}
}
}
} else if (file.isFile()) {
result.addPyFileInfo(new PyFileInfo(file, currModuleRep));
} else {
throw new RuntimeException("Not dir nor file... what is it?");
}
}
return result;
}
