C++ SmallVector::Compact方法代码示例

/** Free the list of savegames. */
void FiosFreeSavegameList()
{
	_fios_items.Clear();
	_fios_items.Compact();
}

//.........这里部分代码省略.........
	return true;
}


/**
 * Fill the list of the files in a directory, according to some arbitrary rule.
 *  @param mode The mode we are in. Some modes don't allow 'parent'.
 *  @param callback_proc The function that is called where you need to do the filtering.
 *  @param subdir The directory from where to start (global) searching.
 */
static void FiosGetFileList(SaveLoadDialogMode mode, fios_getlist_callback_proc *callback_proc, Subdirectory subdir)
{
	struct stat sb;
	struct dirent *dirent;
	DIR *dir;
	FiosItem *fios;
	int sort_start;
	char d_name[sizeof(fios->name)];

	_fios_items.Clear();

	/* A parent directory link exists if we are not in the root directory */
	if (!FiosIsRoot(_fios_path)) {
		fios = _fios_items.Append();
		fios->type = FIOS_TYPE_PARENT;
		fios->mtime = 0;
		strecpy(fios->name, "..", lastof(fios->name));
		strecpy(fios->title, ".. (Parent directory)", lastof(fios->title));
	}

	/* Show subdirectories */
	if ((dir = ttd_opendir(_fios_path)) != NULL) {
		while ((dirent = readdir(dir)) != NULL) {
			strecpy(d_name, FS2OTTD(dirent->d_name), lastof(d_name));

			/* found file must be directory, but not '.' or '..' */
			if (FiosIsValidFile(_fios_path, dirent, &sb) && S_ISDIR(sb.st_mode) &&
					(!FiosIsHiddenFile(dirent) || strncasecmp(d_name, PERSONAL_DIR, strlen(d_name)) == 0) &&
					strcmp(d_name, ".") != 0 && strcmp(d_name, "..") != 0) {
				fios = _fios_items.Append();
				fios->type = FIOS_TYPE_DIR;
				fios->mtime = 0;
				strecpy(fios->name, d_name, lastof(fios->name));
				snprintf(fios->title, lengthof(fios->title), "%s" PATHSEP " (Directory)", d_name);
				str_validate(fios->title, lastof(fios->title));
			}
		}
		closedir(dir);
	}

	/* Sort the subdirs always by name, ascending, remember user-sorting order */
	{
		SortingBits order = _savegame_sort_order;
		_savegame_sort_order = SORT_BY_NAME | SORT_ASCENDING;
		QSortT(_fios_items.Begin(), _fios_items.Length(), CompareFiosItems);
		_savegame_sort_order = order;
	}

	/* This is where to start sorting for the filenames */
	sort_start = _fios_items.Length();

	/* Show files */
	FiosFileScanner scanner(mode, callback_proc);
	if (subdir == NO_DIRECTORY) {
		scanner.Scan(NULL, _fios_path, false);
	} else {
		scanner.Scan(NULL, subdir, true, true);
	}

	QSortT(_fios_items.Get(sort_start), _fios_items.Length() - sort_start, CompareFiosItems);

	/* Show drives */
	FiosGetDrives();

	_fios_items.Compact();
}

/**
 * Get the title of a file, which (if exists) is stored in a file named
 * the same as the data file but with '.title' added to it.
 * @param file filename to get the title for
 * @param title the title buffer to fill
 * @param last the last element in the title buffer
 * @param subdir the sub directory to search in
 */
static void GetFileTitle(const char *file, char *title, const char *last, Subdirectory subdir)
{
	char buf[MAX_PATH];
	strecpy(buf, file, lastof(buf));
	strecat(buf, ".title", lastof(buf));

	FILE *f = FioFOpenFile(buf, "r", subdir);
	if (f == NULL) return;

	size_t read = fread(title, 1, last - title, f);
	assert(title + read <= last);
	title[read] = '\0';
	str_validate(title, last);
	FioFCloseFile(f);
}