Function FiosBrowseTo

src/fios.cpp:142–185

* Browse to a new path based on the passed \a item, starting at #_fios_path. * @param *item Item telling us what to do. * @return \c true when the path got changed. */

 * @return \c true when the path got changed.
 */
bool FiosBrowseTo(const FiosItem *item)
{
	switch (item->type.detailed) {
		case DFT_FIOS_DRIVE:
#if defined(_WIN32)
			assert(_fios_path != nullptr);
			*_fios_path = std::string{ item->name, 0, 1 } + ":" PATHSEP;
#endif
			break;

		case DFT_INVALID:
			break;

		case DFT_FIOS_PARENT: {
			assert(_fios_path != nullptr);
			auto s = _fios_path->find_last_of(PATHSEPCHAR);
			if (s != std::string::npos && s != 0) {
				_fios_path->erase(s); // Remove last path separator character, so we can go up one level.
			}

			s = _fios_path->find_last_of(PATHSEPCHAR);
			if (s != std::string::npos) {
				_fios_path->erase(s + 1); // go up a directory
			}
			break;
		}

		case DFT_FIOS_DIR:
			assert(_fios_path != nullptr);
			*_fios_path += item->name;
			*_fios_path += PATHSEP;
			break;

		case DFT_FIOS_DIRECT:
			assert(_fios_path != nullptr);
			*_fios_path = item->name;
			break;

		default:
			return false;
	}

	return true;
}

/**
 * Construct a filename from its components in destination buffer \a buf.