C++ DirAccess::list_dir_end方法代码示例

void ExportTemplateManager::_update_template_list() {

	while (current_hb->get_child_count()) {
		memdelete(current_hb->get_child(0));
	}

	while (installed_vb->get_child_count()) {
		memdelete(installed_vb->get_child(0));
	}

	DirAccess *d = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
	Error err = d->change_dir(EditorSettings::get_singleton()->get_templates_dir());

	d->list_dir_begin();
	Set<String> templates;

	if (err == OK) {

		bool isdir;
		String c = d->get_next(&isdir);
		while (c != String()) {
			if (isdir && !c.begins_with(".")) {
				templates.insert(c);
			}
			c = d->get_next(&isdir);
		}
	}
	d->list_dir_end();

	memdelete(d);

	String current_version = itos(VERSION_MAJOR) + "." + itos(VERSION_MINOR) + "-" + _MKSTR(VERSION_STATUS) + VERSION_MODULE_CONFIG;

	Label *current = memnew(Label);
	current->set_h_size_flags(SIZE_EXPAND_FILL);
	current_hb->add_child(current);

	if (templates.has(current_version)) {
		current->add_color_override("font_color", get_color("success_color", "Editor"));
		Button *redownload = memnew(Button);
		redownload->set_text(TTR("Re-Download"));
		current_hb->add_child(redownload);
		redownload->connect("pressed", this, "_download_template", varray(current_version));

		Button *uninstall = memnew(Button);
		uninstall->set_text(TTR("Uninstall"));
		current_hb->add_child(uninstall);
		current->set_text(current_version + " " + TTR("(Installed)"));
		uninstall->connect("pressed", this, "_uninstall_template", varray(current_version));

	} else {
		current->add_color_override("font_color", get_color("error_color", "Editor"));
		Button *redownload = memnew(Button);
		redownload->set_text(TTR("Download"));
		redownload->connect("pressed", this, "_download_template", varray(current_version));
		current_hb->add_child(redownload);
		current->set_text(current_version + " " + TTR("(Missing)"));
	}

	for (Set<String>::Element *E = templates.back(); E; E = E->prev()) {

		HBoxContainer *hbc = memnew(HBoxContainer);
		Label *version = memnew(Label);
		version->set_modulate(get_color("disabled_font_color", "Editor"));
		String text = E->get();
		if (text == current_version) {
			text += " " + TTR("(Current)");
		}
		version->set_text(text);
		version->set_h_size_flags(SIZE_EXPAND_FILL);
		hbc->add_child(version);

		Button *uninstall = memnew(Button);

		uninstall->set_text(TTR("Uninstall"));
		hbc->add_child(uninstall);
		uninstall->connect("pressed", this, "_uninstall_template", varray(E->get()));

		installed_vb->add_child(hbc);
	}
}

MainLoop* test() {

	print_line("this is test io");
	DirAccess* da = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
	da->change_dir(".");
	print_line("Opening current dir "+ da->get_current_dir());
	String entry;
	da->list_dir_begin();
	while ( (entry = da->get_next()) != "") {

		print_line("entry "+entry+" is dir: " + Variant(da->current_is_dir()));
	};
	da->list_dir_end();

	RES texture = ResourceLoader::load("test_data/rock.png");
	ERR_FAIL_COND_V(texture.is_null(), NULL);

	ResourceSaver::save("test_data/rock.xml",texture);

	print_line("localize paths");
	print_line(Globals::get_singleton()->localize_path("algo.xml"));
	print_line(Globals::get_singleton()->localize_path("c:\\windows\\algo.xml"));
	print_line(Globals::get_singleton()->localize_path(Globals::get_singleton()->get_resource_path()+"/something/something.xml"));
	print_line(Globals::get_singleton()->localize_path("somedir/algo.xml"));

	{

		FileAccess* z = FileAccess::open("test_data/archive.zip", FileAccess::READ);
		int len = z->get_len();
		Vector<uint8_t> zip;
		zip.resize(len);
		z->get_buffer(&zip[0], len);
		z->close();
		memdelete(z);

		FileAccessMemory::register_file("a_package", zip);
		FileAccess::make_default<FileAccessMemory>(FileAccess::ACCESS_RESOURCES);
		FileAccess::make_default<FileAccessMemory>(FileAccess::ACCESS_FILESYSTEM);
		FileAccess::make_default<FileAccessMemory>(FileAccess::ACCESS_USERDATA);

		print_line("archive test");
#if 0
		Archive arch;

		Archive::get_singleton()->add_package("a_package");
		FileAccessArchive f;

		print_line("opening for read");
		f._open("file.txt", FileAccess::READ);
		int pos = f.get_pos();
		printf("file has %i bytes, initial pos %i\n", (int)f.get_len(), pos);

		do {
			printf("%c", f.get_8());

		} while (!f.eof_reached());

		print_line("opening for stored seek");
		f.open("seek.bin", FileAccess::READ);
		pos = f.get_pos();
		printf("byte at pos %i is %i\n", pos, (int)f.get_8());
		f.seek(128);
		pos = f.get_pos();
		printf("byte at pos %i is %i\n", pos, (int)f.get_8());

		print_line("opening for deflated seek");
		f.open("seek_deflated.bin", FileAccess::READ);
		pos = f.get_pos();
		printf("byte at pos %i is %i\n", pos, (int)f.get_8());
		f.seek(128);
		pos = f.get_pos();
		printf("byte at pos %i is %i\n", pos, (int)f.get_8());
		pos = f.get_pos();
		printf("byte at pos %i is %i\n", pos, (int)f.get_8());
		pos = f.get_pos();
		printf("byte at pos %i is %i\n", pos, (int)f.get_8());
		f.seek(256);
		pos = f.get_pos();
		printf("byte at pos %i is %i\n", pos, (int)f.get_8());
		pos = f.get_pos();
		printf("byte at pos %i is %i\n", pos, (int)f.get_8());
		pos = f.get_pos();
		printf("byte at pos %i is %i\n", pos, (int)f.get_8());
		f.seek(4);
		pos = f.get_pos();
		printf("byte at pos %i is %i\n", pos, (int)f.get_8());
		pos = f.get_pos();
		printf("byte at pos %i is %i\n", pos, (int)f.get_8());
		pos = f.get_pos();
		printf("byte at pos %i is %i\n", pos, (int)f.get_8());

		f.close();

		DirAccessArchive d;
		String dir = "../blah1/blah2/blahask/../blah3/.//blah4/";
		printf("changing dir to %s\n", dir.utf8().get_data());
		d.change_dir(dir);
		printf("current dir is %s\n", d.get_current_dir().utf8().get_data());

		FileAccessMemory::cleanup();
//.........这里部分代码省略.........

//.........这里部分代码省略.........
				int idx = p_dir->find_file_index(f);

				if (idx == -1) {
					//never seen this file, add actition to add it
					EditorFileSystemDirectory::FileInfo *fi = memnew(EditorFileSystemDirectory::FileInfo);
					fi->file = f;

					String path = cd.plus_file(fi->file);
					fi->modified_time = FileAccess::get_modified_time(path);
					fi->import_modified_time = 0;
					fi->type = ResourceLoader::get_resource_type(path);
					fi->import_valid = ResourceLoader::is_import_valid(path);

					{
						ItemAction ia;
						ia.action = ItemAction::ACTION_FILE_ADD;
						ia.dir = p_dir;
						ia.file = f;
						ia.new_file = fi;
						scan_actions.push_back(ia);
					}

					if (import_extensions.has(ext)) {
						//if it can be imported, and it was added, it needs to be reimported
						ItemAction ia;
						ia.action = ItemAction::ACTION_FILE_REIMPORT;
						ia.dir = p_dir;
						ia.file = f;
						scan_actions.push_back(ia);
					}

				} else {
					p_dir->files[idx]->verified = true;
				}
			}
		}

		da->list_dir_end();
		memdelete(da);
	}

	for (int i = 0; i < p_dir->files.size(); i++) {

		if (updated_dir && !p_dir->files[i]->verified) {
			//this file was removed, add action to remove it
			ItemAction ia;
			ia.action = ItemAction::ACTION_FILE_REMOVE;
			ia.dir = p_dir;
			ia.file = p_dir->files[i]->file;
			scan_actions.push_back(ia);
			continue;
		}

		if (import_extensions.has(p_dir->files[i]->file.get_extension().to_lower())) {
			//check here if file must be imported or not

			String path = cd.plus_file(p_dir->files[i]->file);

			uint64_t mt = FileAccess::get_modified_time(path);

			bool reimport = false;

			if (mt != p_dir->files[i]->modified_time) {
				reimport = true; //it was modified, must be reimported.
			} else if (!FileAccess::exists(path + ".import")) {
				reimport = true; //no .import file, obviously reimport
			} else {

				uint64_t import_mt = FileAccess::get_modified_time(path + ".import");
				if (import_mt != p_dir->files[i]->import_modified_time) {
					reimport = true;
				} else if (!_check_missing_imported_files(path)) {
					reimport = true;
				}
			}

			if (reimport) {

				ItemAction ia;
				ia.action = ItemAction::ACTION_FILE_REIMPORT;
				ia.dir = p_dir;
				ia.file = p_dir->files[i]->file;
				scan_actions.push_back(ia);
			}
		}
	}

	for (int i = 0; i < p_dir->subdirs.size(); i++) {

		if (updated_dir && !p_dir->subdirs[i]->verified) {
			//this directory was removed, add action to remove it
			ItemAction ia;
			ia.action = ItemAction::ACTION_DIR_REMOVE;
			ia.dir = p_dir->subdirs[i];
			scan_actions.push_back(ia);
			continue;
		}
		_scan_fs_changes(p_dir->get_subdir(i), p_progress);
	}
}