C++ AbstractFSList::push_back方法代码示例

bool RoninCDDirectoryNode::getChildren(AbstractFSList &myList, ListMode mode, bool hidden) const {

	DIR *dirp = opendir(_path.c_str());
	struct dirent *dp;

	if (dirp == NULL)
		return false;

	// ... loop over dir entries using readdir
	while ((dp = readdir(dirp)) != NULL) {
		Common::String newPath(_path);
		if (newPath.lastChar() != '/')
			newPath += '/';
		newPath += dp->d_name;

		if (dp->d_size < 0) {
			// Honor the chosen mode
			if (mode == Common::FSNode::kListFilesOnly)
				continue;

			myList.push_back(new RoninCDDirectoryNode(newPath+"/"));
		} else {
			// Honor the chosen mode
			if (mode == Common::FSNode::kListDirectoriesOnly)
				continue;

			myList.push_back(new RoninCDFileNode(newPath));
		}
	}
	closedir(dirp);

	return true;
}

void WindowsFilesystemNode::addFile(AbstractFSList &list, ListMode mode, const char *base, WIN32_FIND_DATA* find_data) {
	WindowsFilesystemNode entry;
	char *asciiName = toAscii(find_data->cFileName);
	bool isDirectory;

	// Skip local directory (.) and parent (..)
	if (!strcmp(asciiName, ".") || !strcmp(asciiName, ".."))
		return;

	isDirectory = (find_data->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY ? true : false);

	if ((!isDirectory && mode == FilesystemNode::kListDirectoriesOnly) ||
		(isDirectory && mode == FilesystemNode::kListFilesOnly))
		return;

	entry._isDirectory = isDirectory;
	entry._displayName = asciiName;
	entry._path = base;
	entry._path += asciiName;
	if (entry._isDirectory)
		entry._path += "\\";
	entry._isValid = true;
	entry._isPseudoRoot = false;

	list.push_back(new WindowsFilesystemNode(entry));
}

bool POSIXFilesystemNode::getChildren(AbstractFSList &myList, ListMode mode, bool hidden) const {
	assert(_isDirectory);

#ifdef __OS2__
	if (_path == "/") {
		// Special case for the root dir: List all DOS drives
		ULONG ulDrvNum;
		ULONG ulDrvMap;

		DosQueryCurrentDisk(&ulDrvNum, &ulDrvMap);

		for (int i = 0; i < 26; i++) {
			if (ulDrvMap & 1) {
				char drive_root[] = "A:/";
				drive_root[0] += i;

                POSIXFilesystemNode *entry = new POSIXFilesystemNode();
				entry->_isDirectory = true;
				entry->_isValid = true;
				entry->_path = drive_root;
				entry->_displayName = "[" + Common::String(drive_root, 2) + "]";
				myList.push_back(entry);
			}

			ulDrvMap >>= 1;
		}

		return true;
	}

bool GBAMPFileSystemNode::getChildren(AbstractFSList& dirList, ListMode mode, bool hidden) const {
//	consolePrintf("Listdir\n");

	//TODO: honor the hidden flag

	enum { TYPE_NO_MORE = 0, TYPE_FILE = 1, TYPE_DIR = 2 };

	char temp[128], fname[256], *path, *pathTemp;
	strcpy(temp, _path.c_str());

	path = temp + 3;

	pathTemp = path;
	while (*pathTemp) {
		if (*pathTemp == '\\') {
			*pathTemp = '/';
		}
		pathTemp++;
	}

	// consolePrintf("This dir: %s\n", path);
	FAT_chdir(path);

	int entryType = FAT_FindFirstFileLFN(fname);

	while (entryType != TYPE_NO_MORE) {

		if ( ((entryType == TYPE_DIR) && ((mode == Common::FSNode::kListDirectoriesOnly) || (mode == Common::FSNode::kListAll)))
		||   ((entryType == TYPE_FILE) && ((mode == Common::FSNode::kListFilesOnly) || (mode == Common::FSNode::kListAll))) ) {
			GBAMPFileSystemNode *dsfsn;

			//consolePrintf("Fname: %s\n", fname);

			if (strcmp(fname, ".") && strcmp(fname, "..")) {

				if (!strcmp(path, "/")) {
					dsfsn = new GBAMPFileSystemNode("mp:" + Common::String(path) + Common::String(fname), entryType == TYPE_DIR);
				} else {
					dsfsn = new GBAMPFileSystemNode("mp:" + Common::String(path) + Common::String("/") + Common::String(fname), entryType == TYPE_DIR);
				}

//				dsfsn->_isDirectory = entryType == DIR;
				dirList.push_back((dsfsn));
			}
		} else {
//			consolePrintf("Skipping %s\n", fname);
		}

		entryType = FAT_FindNextFileLFN(fname);
	}

//	consolePrintf("No more");

	FAT_chdir("/");

	return true;
}

bool PSPFilesystemNode::getChildren(AbstractFSList &myList, ListMode mode, bool hidden) const {
	DEBUG_ENTER_FUNC();
	assert(_isDirectory);

	//TODO: honor the hidden flag

	bool ret = true;

	if (PowerMan.beginCriticalSection() == PowerManager::Blocked)
		PSP_DEBUG_PRINT_FUNC("Suspended\n");	// Make sure to block in case of suspend

	PSP_DEBUG_PRINT_FUNC("Current path[%s]\n", _path.c_str());

	int dfd  = sceIoDopen(_path.c_str());
	if (dfd > 0) {
		SceIoDirent dir;
		memset(&dir, 0, sizeof(dir));

		while (sceIoDread(dfd, &dir) > 0) {
			// Skip 'invisible files
			if (dir.d_name[0] == '.')
				continue;

			PSPFilesystemNode entry;

			entry._isValid = true;
			entry._displayName = dir.d_name;

			Common::String newPath(_path);
			if (newPath.lastChar() != '/')
				newPath += '/';
			newPath += dir.d_name;

			entry._path = newPath;
			entry._isDirectory = dir.d_stat.st_attr & FIO_SO_IFDIR;

			PSP_DEBUG_PRINT_FUNC("Child[%s], %s\n", entry._path.c_str(), entry._isDirectory ? "dir" : "file");

			// Honor the chosen mode
			if ((mode == Common::FSNode::kListFilesOnly && entry._isDirectory) ||
			        (mode == Common::FSNode::kListDirectoriesOnly && !entry._isDirectory))
				continue;

			myList.push_back(new PSPFilesystemNode(entry));
		}

		sceIoDclose(dfd);
		ret = true;
	} else { // dfd <= 0
		ret = false;
	}

	PowerMan.endCriticalSection();

	return ret;
}

bool WindowsFilesystemNode::getChildren(AbstractFSList &myList, ListMode mode, bool hidden) const {
	assert(_isDirectory);

	//TODO: honor the hidden flag

	if (_isPseudoRoot) {
#ifndef _WIN32_WCE
		// Drives enumeration
		TCHAR drive_buffer[100];
		GetLogicalDriveStrings(sizeof(drive_buffer) / sizeof(TCHAR), drive_buffer);

		for (TCHAR *current_drive = drive_buffer; *current_drive;
			current_drive += _tcslen(current_drive) + 1) {
				WindowsFilesystemNode entry;
				char drive_name[2];

				drive_name[0] = toAscii(current_drive)[0];
				drive_name[1] = '\0';
				entry._displayName = drive_name;
				entry._isDirectory = true;
				entry._isValid = true;
				entry._isPseudoRoot = false;
				entry._path = toAscii(current_drive);
				myList.push_back(new WindowsFilesystemNode(entry));
		}
#endif
	}
	else {
		// Files enumeration
		WIN32_FIND_DATA desc;
		HANDLE handle;
		char searchPath[MAX_PATH + 10];

		sprintf(searchPath, "%s*", _path.c_str());

		handle = FindFirstFile(toUnicode(searchPath), &desc);

		if (handle == INVALID_HANDLE_VALUE)
			return false;

		addFile(myList, mode, _path.c_str(), &desc);

		while (FindNextFile(handle, &desc))
			addFile(myList, mode, _path.c_str(), &desc);

		FindClose(handle);
	}

	return true;
}

bool N64FilesystemNode::getChildren(AbstractFSList &myList, ListMode mode, bool hidden) const {
	assert(_isDirectory);
	ROMDIR *dirp = romfs_opendir(_path.c_str());
	romfs_dirent *dp;

	if (dirp == NULL)
		return false;

	// loop over dir entries using readdir
	while ((dp = romfs_readdir(dirp)) != NULL) {
		// Skip 'invisible' files if necessary
		if (dp->entryname[0] == '.' && !hidden) {
			free(dp);
			continue;
		}
		// Skip '.' and '..' to avoid cycles
		if ((dp->entryname[0] == '.' && dp->entryname[1] == 0) || (dp->entryname[0] == '.' && dp->entryname[1] == '.')) {
			free(dp);
			continue;
		}

		// Start with a clone of this node, with the correct path set
		N64FilesystemNode entry(*this);
		entry._displayName = dp->entryname;
		if (_path.lastChar() != '/')
			entry._path += '/';
		entry._path += entry._displayName;

		// Force validity for now...
		entry._isValid = 1;

		entry._isDirectory = (dp->type == 0 || dp->type == 1);

		// Honor the chosen mode
		if ((mode == Common::FSNode::kListFilesOnly && entry._isDirectory) ||
		        (mode == Common::FSNode::kListDirectoriesOnly && !entry._isDirectory)) {

			free(dp);
			continue;
		}

		myList.push_back(new N64FilesystemNode(entry));

		free(dp);
	}
	romfs_closedir(dirp);

	return true;
}

bool WiiFilesystemNode::getChildren(AbstractFSList &list, ListMode mode, bool hidden) const {
	assert(_isDirectory);

	if (_path.empty())
		return getDevopChildren(list, mode, hidden);

	DIR* dp = opendir (_path.c_str());
	DIR* tmpdir;

	if (dp == NULL)
		return false;

	struct dirent *pent;

	while ((pent = readdir(dp)) != NULL) {
		if (strcmp(pent->d_name, ".") == 0 || strcmp(pent->d_name, "..") == 0)
			continue;

		Common::String newPath(_path);
		if (newPath.lastChar() != '/')
		  newPath += '/';
		newPath += pent->d_name;
	  
		bool isDir = false;
		tmpdir = opendir(newPath.c_str());
		if(tmpdir)
		{
			isDir = true;
			closedir(tmpdir);
		}
		
		if ((mode == Common::FSNode::kListFilesOnly && isDir) ||
			(mode == Common::FSNode::kListDirectoriesOnly && !isDir))
			continue;
		
		struct stat st;
		st.st_mode = 0;
		st.st_mode |= ( isDir ? S_IFDIR : 0 );
		st.st_mode |= S_IRUSR;
		st.st_mode |= S_IWUSR;
			
		list.push_back(new WiiFilesystemNode(newPath, &st));
	}

	closedir(dp);

	return true;
}

// gets all registered devoptab devices
bool WiiFilesystemNode::getDevopChildren(AbstractFSList &list, ListMode mode, bool hidden) const {
	u8 i;
	const devoptab_t* dt;

	if (mode == Common::FSNode::kListFilesOnly)
		return true;

	// skip in, out and err
	for (i = 3; i < STD_MAX; ++i) {
		dt = devoptab_list[i];

		if (!dt || !dt->name || !dt->open_r || !dt->diropen_r)
			continue;

		list.push_back(new WiiFilesystemNode(Common::String(dt->name) + ":/"));
	}

	return true;
}

bool GP32FilesystemNode::listDir(AbstractFSList &myList, ListMode mode) const {
	assert(_isDirectory);

	GPDIRENTRY dirEntry;
	GPFILEATTR attr;

	GP32FilesystemNode entry;

	uint32 read;

	if (mode == FilesystemNode::kListAll)
		LP("listDir(kListAll)");
	else
		LP("listDir(kListDirectoriesOnly)");

	int startIdx = 0; // current file
	String listDir(_path);
	//listDir += "/";
	while (GpDirEnumList(listDir.c_str(), startIdx++, 1, &dirEntry, &read)  == SM_OK) {
		if (dirEntry.name[0] == '.')
			continue;
		entry._displayName = dirEntry.name;
		entry._path = _path;
		entry._path += dirEntry.name;

		GpFileAttr(entry._path.c_str(), &attr);
		entry._isDirectory = attr.attr & (1 << 4);

		// Honor the chosen mode
		if ((mode == FilesystemNode::kListFilesOnly && entry._isDirectory) ||
			(mode == FilesystemNode::kListDirectoriesOnly && !entry._isDirectory))
			continue;

		if (entry._isDirectory)
			entry._path += "\\";
		myList.push_back(new GP32FilesystemNode(entry));
	}

	BP("Dir... %s", listDir.c_str());

	return true;
}

// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
bool POSIXFilesystemNode::getChildren(AbstractFSList& myList, ListMode mode,
                                      bool hidden) const
{
  assert(_isDirectory);

  DIR *dirp = opendir(_path.c_str());
  struct dirent *dp;

  if (dirp == NULL)
    return false;

  // loop over dir entries using readdir
  while ((dp = readdir(dirp)) != NULL)
  {
    // Skip 'invisible' files if necessary
    if (dp->d_name[0] == '.' && !hidden)
      continue;

    // Skip '.' and '..' to avoid cycles
    if ((dp->d_name[0] == '.' && dp->d_name[1] == 0) || (dp->d_name[0] == '.' && dp->d_name[1] == '.'))
      continue;

    string newPath(_path);
    if (newPath.length() > 0 && newPath[newPath.length()-1] != '/')
      newPath += '/';
    newPath += dp->d_name;

    POSIXFilesystemNode entry(newPath, false);

#if defined(SYSTEM_NOT_SUPPORTING_D_TYPE)
    /* TODO: d_type is not part of POSIX, so it might not be supported
     * on some of our targets. For those systems where it isn't supported,
     * add this #elif case, which tries to use stat() instead.
     *
     * The d_type method is used to avoid costly recurrent stat() calls in big
     * directories.
     */
    entry.setFlags();
#else
    if (dp->d_type == DT_UNKNOWN)
    {
      // Fall back to stat()
      entry.setFlags();
    }
    else
    {
      entry._isValid = (dp->d_type == DT_DIR) || (dp->d_type == DT_REG) || (dp->d_type == DT_LNK);
      if (dp->d_type == DT_LNK)
      {
        struct stat st;
        if (stat(entry._path.c_str(), &st) == 0)
          entry._isDirectory = S_ISDIR(st.st_mode);
        else
          entry._isDirectory = false;
      }
      else
        entry._isDirectory = (dp->d_type == DT_DIR);
    }
#endif

    // Skip files that are invalid for some reason (e.g. because we couldn't
    // properly stat them).
    if (!entry._isValid)
      continue;

    // Honor the chosen mode
    if ((mode == FilesystemNode::kListFilesOnly && entry._isDirectory) ||
        (mode == FilesystemNode::kListDirectoriesOnly && !entry._isDirectory))
      continue;

    if (entry._isDirectory)
      entry._path += "/";

    myList.push_back(new POSIXFilesystemNode(entry));
  }
  closedir(dirp);

  return true;
}

bool Ps2FilesystemNode::getChildren(AbstractFSList &list, ListMode mode, bool hidden) const {
	//TODO: honor the hidden flag

	// dbg_printf("getChildren\n");

	if (!_isDirectory)
		return false;

	if (_isRoot) {
		if (g_systemPs2->cdPresent())
			list.push_back(new Ps2FilesystemNode("cdfs:"));

		if (g_systemPs2->hddPresent())
			list.push_back(new Ps2FilesystemNode("pfs0:"));

		if (g_systemPs2->usbMassPresent())
			list.push_back(new Ps2FilesystemNode("mass:"));

		if (g_systemPs2->netPresent())
			list.push_back(new Ps2FilesystemNode("host:"));

		if (g_systemPs2->mcPresent())
			list.push_back(new Ps2FilesystemNode("mc0:"));

		return true;
	} else {
		int fd;

		if (_path == "pfs0:")
			fd = fio.dopen("pfs0:/");
		else
			fd = fio.dopen(_path.c_str());

		// dbg_printf("dopen = %d\n", fd);

		if (fd >= 0) {
			iox_dirent_t dirent;
			Ps2FilesystemNode dirEntry;
			int dreadRes;
			while ((dreadRes = fio.dread(fd, &dirent)) > 0) {

				if (dirent.name[0] == '.')
					continue; // ignore '.' and '..'

				if ( (mode == Common::FSNode::kListAll) ||

					((mode == Common::FSNode::kListDirectoriesOnly) &&
					 (dirent.stat.mode & FIO_S_IFDIR)) ||

				    ((mode == Common::FSNode::kListFilesOnly) &&
					 !(dirent.stat.mode & FIO_S_IFDIR)) ) {

					dirEntry._isHere = true;
					dirEntry._isDirectory = (bool)(dirent.stat.mode & FIO_S_IFDIR);
					dirEntry._isRoot = false;

					dirEntry._path = _path;
					dirEntry._path += dirent.name;
					if (dirEntry._isDirectory && dirEntry._path.lastChar() != '/')
						dirEntry._path += '/';
					dirEntry._displayName = dirent.name;

					dirEntry._verified = true;

					list.push_back(new Ps2FilesystemNode(&dirEntry));
				}
			}
			fio.dclose(fd);
			return true;
		}
	}
	return false;
}

AbstractFSList AmigaOSFilesystemNode::listVolumes() const {
	ENTER();

	AbstractFSList myList;

	const uint32 kLockFlags = LDF_READ | LDF_VOLUMES;
	char buffer[MAXPATHLEN];

	struct DosList *dosList = IDOS->LockDosList(kLockFlags);
	if (!dosList) {
		debug(6, "Cannot lock the DOS list");
		LEAVE();
		return myList;
	}

	dosList = IDOS->NextDosEntry(dosList, LDF_VOLUMES);
	while (dosList) {
		if (dosList->dol_Type == DLT_VOLUME &&
			dosList->dol_Name &&
			dosList->dol_Port) {

			// The original line was
			//if (dosList->dol_Type == DLT_VOLUME &&
			//dosList->dol_Name &&
			//dosList->dol_Task) {
			// which errored using SDK 53.24 with a 'struct dosList' has no member called 'dol_Task'
			// The reason for that was that
			// 1) dol_Task wasn't a task pointer, it is a message port instead
			// 2) It was redefined to be dol_Port in dos/obsolete.h in afore mentioned SDK

			// Copy name to buffer
			IDOS->CopyStringBSTRToC(dosList->dol_Name, buffer, MAXPATHLEN);

			// Volume name + '\0'
			char *volName = new char [strlen(buffer) + 1];

			strcpy(volName, buffer);

			strcat(buffer, ":");

			BPTR volumeLock = IDOS->Lock((STRPTR)buffer, SHARED_LOCK);
			if (volumeLock) {

				char *devName = new char [MAXPATHLEN];

				// Find device name
				IDOS->DevNameFromLock(volumeLock, devName, MAXPATHLEN, DN_DEVICEONLY);

				sprintf(buffer, "%s (%s)", volName, devName);

				delete[] devName;

				AmigaOSFilesystemNode *entry = new AmigaOSFilesystemNode(volumeLock, buffer);
				if (entry) {
					myList.push_back(entry);
				}

				IDOS->UnLock(volumeLock);
			}

			delete[] volName;
		}
		dosList = IDOS->NextDosEntry(dosList, LDF_VOLUMES);
	}

	IDOS->UnLockDosList(kLockFlags);

	LEAVE();

	return myList;
}

bool AmigaOSFilesystemNode::getChildren(AbstractFSList &myList, ListMode mode, bool hidden) const {
	ENTER();
	bool ret = false;

	// TODO: Honor the hidden flag
	// There is no such thing as a hidden flag in AmigaOS...

	if (!_bIsValid) {
		debug(6, "Invalid node");
		LEAVE();
		return false; // Empty list
	}

	if (!_bIsDirectory) {
		debug(6, "Not a directory");
		LEAVE();
		return false; // Empty list
	}

	if (isRootNode()) {
		debug(6, "Root node");
		LEAVE();
		myList = listVolumes();
		return true;
	}

	APTR context = IDOS->ObtainDirContextTags(  EX_FileLockInput,	_pFileLock,
												EX_DoCurrentDir,	TRUE,  /* for softlinks */
												EX_DataFields,		(EXF_NAME|EXF_LINK|EXF_TYPE),
												TAG_END);
	if (context) {
		struct ExamineData * pExd = NULL; // NB: No need to free the value after usage, everything will be dealt with by the DirContext release

		AmigaOSFilesystemNode *entry ;
		while ( (pExd = IDOS->ExamineDir(context)) ) {
			if (     (EXD_IS_FILE(pExd) && ( Common::FSNode::kListFilesOnly == mode ))
				||  (EXD_IS_DIRECTORY(pExd) && ( Common::FSNode::kListDirectoriesOnly == mode ))
				||  Common::FSNode::kListAll == mode
				)
			{
				BPTR pLock = IDOS->Lock( pExd->Name, SHARED_LOCK );
				if (pLock) {
					entry = new AmigaOSFilesystemNode( pLock, pExd->Name );
					if (entry) {
						myList.push_back(entry);
					}

					IDOS->UnLock(pLock);
				}
			}
		}

		if (ERROR_NO_MORE_ENTRIES != IDOS->IoErr() ) {
			debug(6, "An error occurred during ExamineDir");
			ret = false;
		} else {
			ret = true;
		}


		IDOS->ReleaseDirContext(context);
	} else {
		debug(6, "Unable to ObtainDirContext");
		ret = false;
	}

	LEAVE();

	return ret;
}

bool BadaFilesystemNode::getChildren(AbstractFSList &myList,
																		 ListMode mode, bool hidden) const {
	AppAssert(isDirectory());

	bool result = false;

	if (_isVirtualDir && mode != Common::FSNode::kListFilesOnly) {
		// present well known BADA file system areas
		if (_path == PATH_ROOT) {
			myList.push_back(new BadaFilesystemNode(PATH_HOME));
			myList.push_back(new BadaFilesystemNode(PATH_HOME_EXT));
			myList.push_back(new BadaFilesystemNode(PATH_MEDIA));
			myList.push_back(new BadaFilesystemNode(PATH_CARD));
			result = true; // no more entries
		} else if (_path == PATH_CARD) {
			myList.push_back(new BadaFilesystemNode(PATH_CARD_MEDIA));
			result = true; // no more entries
		} else if (_path == PATH_HOME) {
			// ensure share path is always included
			myList.push_back(new BadaFilesystemNode(PATH_HOME_SHARE));
			myList.push_back(new BadaFilesystemNode(PATH_HOME_SHARE2));
		}
	}

	if (!result) {
		DirEnumerator *pDirEnum = 0;
		Directory *pDir = new Directory();

		// open directory
		if (IsFailed(pDir->Construct(_unicodePath))) {
			AppLog("Failed to open directory: %S", _unicodePath.GetPointer());
		} else {
			// read all directory entries
			pDirEnum = pDir->ReadN();
			if (pDirEnum) {
				result = true;
			}

			// loop through all directory entries
			while (pDirEnum && pDirEnum->MoveNext() == E_SUCCESS) {
				DirEntry dirEntry = pDirEnum->GetCurrentDirEntry();

				// skip 'invisible' files if necessary
				Osp::Base::String fileName = dirEntry.GetName();

				if (fileName[0] == '.' && !hidden) {
					continue;
				}

				// skip '.' and '..' to avoid cycles
				if (fileName == L"." || fileName == L"..") {
					continue;
				}

				// Honor the chosen mode
				if ((mode == Common::FSNode::kListFilesOnly && dirEntry.IsDirectory()) ||
						(mode == Common::FSNode::kListDirectoriesOnly && !dirEntry.IsDirectory())) {
					continue;
				}
				myList.push_back(new BadaFilesystemNode(_path, fromString(fileName)));
			}
		}

		// cleanup
		if (pDirEnum) {
			delete pDirEnum;
		}

		// close the opened directory
		if (pDir) {
			delete pDir;
		}
	}

	return result;
}