/**
* Constructs absolute URL from Request object.
* @param NPresenterRequest
* @param NUrl
* @return string|NULL
*/
public function constructUrl(NPresenterRequest $appRequest, NUrl $refUrl)
{
if ($this->flags & self::ONE_WAY) {
return NULL;
}
$params = $appRequest->getParameters();
$metadata = $this->metadata;
$presenter = $appRequest->getPresenterName();
$params[self::PRESENTER_KEY] = $presenter;
if (isset($metadata[self::MODULE_KEY])) { // try split into module and [submodule:]presenter parts
$module = $metadata[self::MODULE_KEY];
if (isset($module['fixity']) && strncasecmp($presenter, $module[self::VALUE] . ':', strlen($module[self::VALUE]) + 1) === 0) {
$a = strlen($module[self::VALUE]);
} else {
$a = strrpos($presenter, ':');
}
if ($a === FALSE) {
$params[self::MODULE_KEY] = '';
} else {
$params[self::MODULE_KEY] = substr($presenter, 0, $a);
$params[self::PRESENTER_KEY] = substr($presenter, $a + 1);
}
}
foreach ($metadata as $name => $meta) {
if (!isset($params[$name])) {
continue; // retains NULL values
}
if (isset($meta['fixity'])) {
if (is_scalar($params[$name]) ? strcasecmp($params[$name], $meta[self::VALUE]) === 0
: $params[$name] === $meta[self::VALUE]
) { // remove default values; NULL values are retain
unset($params[$name]);
continue;
} elseif ($meta['fixity'] === self::CONSTANT) {
return NULL; // missing or wrong parameter '$name'
}
}
if (!is_scalar($params[$name])) {
} elseif (isset($meta['filterTable2'][$params[$name]])) {
$params[$name] = $meta['filterTable2'][$params[$name]];
} elseif (isset($meta['filterTable2']) && !empty($meta[self::FILTER_STRICT])) {
return NULL;
} elseif (isset($meta[self::FILTER_OUT])) {
$params[$name] = call_user_func($meta[self::FILTER_OUT], $params[$name]);
}
if (isset($meta[self::PATTERN]) && !preg_match($meta[self::PATTERN], rawurldecode($params[$name]))) {
return NULL; // pattern not match
}
}
// compositing path
$sequence = $this->sequence;
$brackets = array();
$required = 0;
$url = '';
$i = count($sequence) - 1;
do {
$url = $sequence[$i] . $url;
if ($i === 0) {
break;
}
$i--;
$name = $sequence[$i]; $i--; // parameter name
if ($name === ']') { // opening optional part
$brackets[] = $url;
} elseif ($name[0] === '[') { // closing optional part
$tmp = array_pop($brackets);
if ($required < count($brackets) + 1) { // is this level optional?
if ($name !== '[!') { // and not "required"-optional
$url = $tmp;
}
} else {
$required = count($brackets);
}
} elseif ($name[0] === '?') { // "foo" parameter
continue;
} elseif (isset($params[$name]) && $params[$name] != '') { // intentionally ==
$required = count($brackets); // make this level required
$url = $params[$name] . $url;
unset($params[$name]);
} elseif (isset($metadata[$name]['fixity'])) { // has default value?
$url = $metadata[$name]['defOut'] . $url;
} else {
return NULL; // missing parameter '$name'
}
} while (TRUE);
// build query string
if ($this->xlat) {
$params = self::renameKeys($params, $this->xlat);
}
$sep = ini_get('arg_separator.input');
$query = http_build_query($params, '', $sep ? $sep[0] : '&');
if ($query != '') { // intentionally ==
$url .= '?' . $query;
}
// absolutize path
if ($this->type === self::RELATIVE) {
$url = '//' . $refUrl->getAuthority() . $refUrl->getBasePath() . $url;
} elseif ($this->type === self::PATH) {
$url = '//' . $refUrl->getAuthority() . $url;
}
if (strpos($url, '//', 2) !== FALSE) {
return NULL; // TODO: implement counterpart in match() ?
}
$url = ($this->flags & self::SECURED ? 'https:' : 'http:') . $url;
return $url;
}
/**
* Request/URL factory.
* @param NPresenterComponent base
* @param string destination in format "[[module:]presenter:]action" or "signal!" or "this"
* @param array array of arguments
* @param string forward|redirect|link
* @return string URL
* @throws NInvalidLinkException
* @internal
*/
final protected function createRequest($component, $destination, array $args, $mode)
{
// note: createRequest supposes that saveState(), run() & tryCall() behaviour is final
// cached services for better performance
static $presenterFactory, $router, $refUrl;
if ($presenterFactory === NULL) {
$presenterFactory = $this->getApplication()->getPresenterFactory();
$router = $this->getApplication()->getRouter();
$refUrl = new NUrl($this->getHttpRequest()->getUrl());
$refUrl->setPath($this->getHttpRequest()->getUrl()->getScriptPath());
}
$this->lastCreatedRequest = $this->lastCreatedRequestFlag = NULL;
// PARSE DESTINATION
// 1) fragment
$a = strpos($destination, '#');
if ($a === FALSE) {
$fragment = '';
} else {
$fragment = substr($destination, $a);
$destination = substr($destination, 0, $a);
}
// 2) ?query syntax
$a = strpos($destination, '?');
if ($a !== FALSE) {
parse_str(substr($destination, $a + 1), $args); // requires disabled magic quotes
$destination = substr($destination, 0, $a);
}
// 3) URL scheme
$a = strpos($destination, '//');
if ($a === FALSE) {
$scheme = FALSE;
} else {
$scheme = substr($destination, 0, $a);
$destination = substr($destination, $a + 2);
}
// 4) signal or empty
if (!$component instanceof NPresenter || substr($destination, -1) === '!') {
$signal = rtrim($destination, '!');
$a = strrpos($signal, ':');
if ($a !== FALSE) {
$component = $component->getComponent(strtr(substr($signal, 0, $a), ':', '-'));
$signal = (string) substr($signal, $a + 1);
}
if ($signal == NULL) { // intentionally ==
throw new NInvalidLinkException("Signal must be non-empty string.");
}
$destination = 'this';
}
if ($destination == NULL) { // intentionally ==
throw new NInvalidLinkException("Destination must be non-empty string.");
}
// 5) presenter: action
$current = FALSE;
$a = strrpos($destination, ':');
if ($a === FALSE) {
$action = $destination === 'this' ? $this->action : $destination;
$presenter = $this->getName();
$presenterClass = get_class($this);
} else {
$action = (string) substr($destination, $a + 1);
if ($destination[0] === ':') { // absolute
if ($a < 2) {
throw new NInvalidLinkException("Missing presenter name in '$destination'.");
}
$presenter = substr($destination, 1, $a - 1);
} else { // relative
$presenter = $this->getName();
$b = strrpos($presenter, ':');
if ($b === FALSE) { // no module
$presenter = substr($destination, 0, $a);
} else { // with module
$presenter = substr($presenter, 0, $b + 1) . substr($destination, 0, $a);
}
}
try {
$presenterClass = $presenterFactory->getPresenterClass($presenter);
} catch (NInvalidPresenterException $e) {
throw new NInvalidLinkException($e->getMessage(), NULL, $e);
}
}
// PROCESS SIGNAL ARGUMENTS
if (isset($signal)) { // $component must be IStatePersistent
$reflection = new NPresenterComponentReflection(get_class($component));
if ($signal === 'this') { // means "no signal"
$signal = '';
if (array_key_exists(0, $args)) {
throw new NInvalidLinkException("Unable to pass parameters to 'this!' signal.");
}
} elseif (strpos($signal, self::NAME_SEPARATOR) === FALSE) { // TODO: AppForm exception
// counterpart of signalReceived() & tryCall()
$method = $component->formatSignalMethod($signal);
if (!$reflection->hasCallableMethod($method)) {
throw new NInvalidLinkException("Unknown signal '$signal', missing handler {$reflection->name}::$method()");
}
if ($args) { // convert indexed parameters to named
self::argsToParams(get_class($component), $method, $args);
}
}
// counterpart of IStatePersistent
if ($args && array_intersect_key($args, $reflection->getPersistentParams())) {
$component->saveState($args);
}
if ($args && $component !== $this) {
$prefix = $component->getUniqueId() . self::NAME_SEPARATOR;
foreach ($args as $key => $val) {
unset($args[$key]);
$args[$prefix . $key] = $val;
}
}
}
// PROCESS ARGUMENTS
if (is_subclass_of($presenterClass, __CLASS__)) {
if ($action === '') {
$action = self::DEFAULT_ACTION;
}
$current = ($action === '*' || strcasecmp($action, $this->action) === 0) && $presenterClass === get_class($this); // TODO
$reflection = new NPresenterComponentReflection($presenterClass);
if ($args || $destination === 'this') {
// counterpart of run() & tryCall()
$method = call_user_func(array($presenterClass, 'formatActionMethod'), $action);
if (!$reflection->hasCallableMethod($method)) {
$method = call_user_func(array($presenterClass, 'formatRenderMethod'), $action);
if (!$reflection->hasCallableMethod($method)) {
$method = NULL;
}
}
// convert indexed parameters to named
if ($method === NULL) {
if (array_key_exists(0, $args)) {
throw new NInvalidLinkException("Unable to pass parameters to action '$presenter:$action', missing corresponding method.");
}
} elseif ($destination === 'this') {
self::argsToParams($presenterClass, $method, $args, $this->params);
} else {
self::argsToParams($presenterClass, $method, $args);
}
}
// counterpart of IStatePersistent
if ($args && array_intersect_key($args, $reflection->getPersistentParams())) {
$this->saveState($args, $reflection);
}
if ($mode === 'redirect') {
$this->saveGlobalState();
}
$globalState = $this->getGlobalState($destination === 'this' ? NULL : $presenterClass);
if ($current && $args) {
$tmp = $globalState + $this->params;
foreach ($args as $key => $val) {
if (http_build_query(array($val)) !== (isset($tmp[$key]) ? http_build_query(array($tmp[$key])) : '')) {
$current = FALSE;
break;
}
}
}
$args += $globalState;
}
// ADD ACTION & SIGNAL & FLASH
$args[self::ACTION_KEY] = $action;
if (!empty($signal)) {
$args[self::SIGNAL_KEY] = $component->getParameterId($signal);
$current = $current && $args[self::SIGNAL_KEY] === $this->getParameter(self::SIGNAL_KEY);
}
if (($mode === 'redirect' || $mode === 'forward') && $this->hasFlashSession()) {
$args[self::FLASH_KEY] = $this->getParameter(self::FLASH_KEY);
}
$this->lastCreatedRequest = new NPresenterRequest(
$presenter,
NPresenterRequest::FORWARD,
$args,
array(),
array()
);
$this->lastCreatedRequestFlag = array('current' => $current);
if ($mode === 'forward' || $mode === 'test') {
return;
}
// CONSTRUCT URL
$url = $router->constructUrl($this->lastCreatedRequest, $refUrl);
if ($url === NULL) {
unset($args[self::ACTION_KEY]);
$params = urldecode(http_build_query($args, NULL, ', '));
throw new NInvalidLinkException("No route for $presenter:$action($params)");
}
// make URL relative if possible
if ($mode === 'link' && $scheme === FALSE && !$this->absoluteUrls) {
$hostUrl = $refUrl->getHostUrl();
if (strncmp($url, $hostUrl, strlen($hostUrl)) === 0) {
$url = substr($url, strlen($hostUrl));
}
}
return $url . $fragment;
}
/**
* Constructs absolute URL from Request object.
* @param NPresenterRequest
* @param NUrl
* @return string|NULL
*/
public function constructUrl(NPresenterRequest $appRequest, NUrl $refUrl)
{
$params = $appRequest->getParameters();
// presenter name
$presenter = $appRequest->getPresenterName();
if (strncasecmp($presenter, $this->module, strlen($this->module)) === 0) {
$params[self::PRESENTER_KEY] = substr($presenter, strlen($this->module));
} else {
return NULL;
}
// remove default values; NULL values are retain
foreach ($this->defaults as $key => $value) {
if (isset($params[$key]) && $params[$key] == $value) { // intentionally ==
unset($params[$key]);
}
}
$url = ($this->flags & self::SECURED ? 'https://' : 'http://') . $refUrl->getAuthority() . $refUrl->getPath();
$sep = ini_get('arg_separator.input');
$query = http_build_query($params, '', $sep ? $sep[0] : '&');
if ($query != '') { // intentionally ==
$url .= '?' . $query;
}
return $url;
}
