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| <?php
namespace Think;
class Route {
public static function check(){
$depr = C('URL_PATHINFO_DEPR');
$regx = preg_replace('/\.'.__EXT__.'$/i','',trim($_SERVER['PATH_INFO'],$depr));
if('/' != $depr){
$regx = str_replace($depr,'/',$regx);
}
$maps = C('URL_MAP_RULES');
if(isset($maps[$regx])) {
$var = self::parseUrl($maps[$regx]);
$_GET = array_merge($var, $_GET);
return true;
}
$routes = C('URL_ROUTE_RULES');
if(!empty($routes)) {
foreach ($routes as $rule=>$route){
if(is_numeric($rule)){
$rule = array_shift($route);
}
if(is_array($route) && isset($route[2])){
$options = $route[2];
if(isset($options['ext']) && __EXT__ != $options['ext']){
continue;
}
if(isset($options['method']) && REQUEST_METHOD != strtoupper($options['method'])){
continue;
}
if(!empty($options['callback']) && is_callable($options['callback'])) {
if(false === call_user_func($options['callback'])) {
continue;
}
}
}
if(0===strpos($rule,'/') && preg_match($rule,$regx,$matches)) {
if($route instanceof \Closure) {
$result = self::invokeRegx($route, $matches);
return is_bool($result) ? $result : exit;
}else{
return self::parseRegex($matches,$route,$regx);
}
}else{
$len1 = substr_count($regx,'/');
$len2 = substr_count($rule,'/');
if($len1>=$len2 || strpos($rule,'[')) {
if('$' == substr($rule,-1,1)) {
if($len1 != $len2) {
continue;
}else{
$rule = substr($rule,0,-1);
}
}
$match = self::checkUrlMatch($regx,$rule);
if(false !== $match) {
if($route instanceof \Closure) {
$result = self::invokeRule($route, $match);
return is_bool($result) ? $result : exit;
}else{
return self::parseRule($rule,$route,$regx);
}
}
}
}
}
}
return false;
}
private static function checkUrlMatch($regx,$rule) {
$m1 = explode('/',$regx);
$m2 = explode('/',$rule);
$var = array();
foreach ($m2 as $key=>$val){
if(0 === strpos($val,'[:')){
$val = substr($val,1,-1);
}
if(':' == substr($val,0,1)) {
if($pos = strpos($val,'|')){
$val = substr($val,1,$pos-1);
}
if(strpos($val,'\\')) {
$type = substr($val,-1);
if('d'==$type) {
if(isset($m1[$key]) && !is_numeric($m1[$key]))
return false;
}
$name = substr($val, 1, -2);
}elseif($pos = strpos($val,'^')){
$array = explode('-',substr(strstr($val,'^'),1));
if(in_array($m1[$key],$array)) {
return false;
}
$name = substr($val, 1, $pos - 1);
}else{
$name = substr($val, 1);
}
$var[$name] = isset($m1[$key])?$m1[$key]:'';
}elseif(0 !== strcasecmp($val,$m1[$key])){
return false;
}
}
return $var;
}
private static function parseUrl($url) {
echo "-------------------------------";
var_dump($url);
$var = array();
if(false !== strpos($url,'?')) {
$info = parse_url($url);
$path = explode('/',$info['path']);
parse_str($info['query'],$var);
}elseif(strpos($url,'/')){
$path = explode('/',$url);
}else{
parse_str($url,$var);
}
if(isset($path)) {
$var[C('VAR_ACTION')] = array_pop($path);
if(!empty($path)) {
$var[C('VAR_CONTROLLER')] = array_pop($path);
}
if(!empty($path)) {
$var[C('VAR_MODULE')] = array_pop($path);
}
}
return $var;
}
private static function parseRule($rule,$route,$regx) {
$url = is_array($route)?$route[0]:$route;
$paths = explode('/',$regx);
$matches = array();
$rule = explode('/',$rule);
foreach ($rule as $item){
$fun = '';
if(0 === strpos($item,'[:')){
$item = substr($item,1,-1);
}
if(0===strpos($item,':')) {
if($pos = strpos($item,'|')){
$fun = substr($item,$pos+1);
$item = substr($item,0,$pos);
}
if($pos = strpos($item,'^') ) {
$var = substr($item,1,$pos-1);
}elseif(strpos($item,'\\')){
$var = substr($item,1,-2);
}else{
$var = substr($item,1);
}
$matches[$var] = !empty($fun)? $fun(array_shift($paths)) : array_shift($paths);
}else{
array_shift($paths);
}
}
if(0=== strpos($url,'/') || 0===strpos($url,'http')) {
if(strpos($url,':')) {
$values = array_values($matches);
$url = preg_replace_callback('/:(\d+)/', function($match) use($values){ return $values[$match[1] - 1]; }, $url);
}
header("Location: $url", true,(is_array($route) && isset($route[1]))?$route[1]:301);
exit;
}else{
$var = self::parseUrl($url);
$values = array_values($matches);
foreach ($var as $key=>$val){
if(0===strpos($val,':')) {
$var[$key] = $values[substr($val,1)-1];
}
}
$var = array_merge($matches,$var);
if(!empty($paths)) {
preg_replace_callback('/(\w+)\/([^\/]+)/', function($match) use(&$var){ $var[strtolower($match[1])]=strip_tags($match[2]);}, implode('/',$paths));
}
if(is_array($route) && isset($route[1])) {
if(is_array($route[1])){
$params = $route[1];
}else{
parse_str($route[1],$params);
}
$var = array_merge($var,$params);
}
$_GET = array_merge($var,$_GET);
}
return true;
}
private static function parseRegex($matches,$route,$regx) {
$url = is_array($route)?$route[0]:$route;
$url = preg_replace_callback('/:(\d+)/', function($match) use($matches){return $matches[$match[1]];}, $url);
if(0=== strpos($url,'/') || 0===strpos($url,'http')) {
header("Location: $url", true,(is_array($route) && isset($route[1]))?$route[1]:301);
exit;
}else{
$var = self::parseUrl($url);
foreach($var as $key=>$val){
if(strpos($val,'|')){
list($val,$fun) = explode('|',$val);
$var[$key] = $fun($val);
}
}
$regx = substr_replace($regx,'',0,strlen($matches[0]));
if($regx) {
preg_replace_callback('/(\w+)\/([^\/]+)/', function($match) use(&$var){
$var[strtolower($match[1])] = strip_tags($match[2]);
}, $regx);
}
if(is_array($route) && isset($route[1])) {
if(is_array($route[1])){
$params = $route[1];
}else{
parse_str($route[1],$params);
}
$var = array_merge($var,$params);
}
$_GET = array_merge($var,$_GET);
}
return true;
}
static private function invokeRegx($closure, $var = array()) {
$reflect = new \ReflectionFunction($closure);
$params = $reflect->getParameters();
$args = array();
array_shift($var);
foreach ($params as $param){
if(!empty($var)) {
$args[] = array_shift($var);
}elseif($param->isDefaultValueAvailable()){
$args[] = $param->getDefaultValue();
}
}
return $reflect->invokeArgs($args);
}
static private function invokeRule($closure, $var = array()) {
$reflect = new \ReflectionFunction($closure);
$params = $reflect->getParameters();
$args = array();
foreach ($params as $param){
$name = $param->getName();
if(isset($var[$name])) {
$args[] = $var[$name];
}elseif($param->isDefaultValueAvailable()){
$args[] = $param->getDefaultValue();
}
}
return $reflect->invokeArgs($args);
}
}
|
