function scan update

lib/DirScanner.php

@@ -73,8 +73,8 @@ Class DirScanner {
 
     //解析描述文件内容
     private function parseDescriptionFiles($realpath) {
-        $field = preg_replace('/^.+_([a-z0-9]+)\.txt$/i', "$1", $realpath);
+        $pathinfo = pathinfo($realpath);
-        if ($field == $realpath) {return false;}
+        $field = preg_replace('/^.+_/', '', $pathinfo['filename']);
         $content = file_get_contents($realpath);
         $data = [];
         $data[$field] = $content;
@@ -126,13 +126,22 @@ Class DirScanner {
     //根据路径生成目录数组
     private function getDirData($realpath, $files) {
         $id = $this->getId($realpath);
-        return [
+        $data = [
             'id' => $id,
             'directory' => basename($realpath),
             'realpath' => $realpath,
             'path' => $this->getDirPath($realpath),
             'files' => $files,
         ];
+
+        //try to merge description data
+        if (!empty($files[$id])) {
+            $data = array_merge($data, $files[$id]);
+            unset($files[$id]);
+            $data['files'] = $files;
+        }
+
+        return $data;
     }
 
     //根据路径生成文件数组，兼容URL文件
@@ -143,7 +152,7 @@ Class DirScanner {
         fclose($fp);
         $pathinfo = pathinfo($realpath);
         $extension = strtolower($pathinfo['extension']);
-        return [
+        $data = [
             'id' => $id,
             'filename' => $pathinfo['filename'],
             'extension' => $extension,
@@ -156,6 +165,12 @@ Class DirScanner {
             'realpath' => $realpath,
             'path' => $this->getFilePath( $this->getDirectoryName($pathinfo['dirname'], $dirLevel), $pathinfo['filename'], $extension ),
         ];
+
+        if ($extension == 'url') {
+            $data['shortcut'] = $this->parseShortCuts($realpath, $pathinfo['filename']);
+        }
+
+        return $data;
     }
 
     //根据路径和根目录获取当前扫描的目录深度
@@ -183,6 +198,44 @@ Class DirScanner {
         return implode('/', array_splice($names, -$dirLevel));
     }
 
+    //合并描述文件内容到md文件或者目录数据
+    private function mergeDescriptionData($realpath) {
+        $data = [];
+        $ext = $this->parseDescriptionFiles($realpath);
+
+        //try to find the md file
+        $targetFile = preg_replace('/_?[a-z0-9]+\.txt$/iU', '.md', $realpath);
+        if (file_exists($targetFile)) {
+            $fileId = $this->getId($targetFile);
+            if (empty($this->scanResults[$fileId])) {
+                $ext['id'] = $fileId;
+                $this->scanResults[$fileId] = $ext;
+                $data = $ext;
+            }else {
+                $data = $this->scanResults[$fileId];
+                $data = array_merge($data, $ext);
+                $this->scanResults[$fileId] = $data;
+            }
+        }else {
+            //try to merge to the parent directory
+            $targetDir = preg_replace('/\/[a-z0-9]+\.txt$/i', '', $realpath);
+            if (is_dir($targetDir)) {
+                $dirId = $this->getId($targetDir);
+                if (empty($this->scanResults[$dirId])) {
+                    $ext['id'] = $dirId;
+                    $this->scanResults[$dirId] = $ext;
+                    $data = $ext;
+                }else {
+                    $data = $this->scanResults[$dirId];
+                    $data = array_merge($data, $ext);
+                    $this->scanResults[$dirId] = $data;
+                }
+            }
+        }
+
+        return $data;
+    }
+
 
     //根据文件生成防盗链网址
     //参考：https://nginx.org/en/docs/http/ngx_http_secure_link_module.html#secure_link
@@ -370,22 +423,46 @@ Class DirScanner {
             foreach($files as $file) {
                 if (in_array($file, $ignore_files)) {continue;}
 
+                $branch = [];
                 $realpath = realpath("{$dir}{$file}");
                 if (is_dir($realpath)) {
                     $files = [];
                     if ($nextLevels > 0) {
                         $files = $this->scan($realpath, $nextLevels);
+                        if (!empty($files)) {
+                            foreach($files as $file) {
+                                $this->scanResults[$file['id']] = $file;
+                            }
+                        }
                     }
 
-                    $tree[] = $this->getDirData($realpath, $files);
+                    $branch = $this->getDirData($realpath, $files);
                 }else {
-                    $tree[] = $this->getFileData($realpath, $this->scanningDirLevel);
+                    $pathinfo = pathinfo($realpath);
+                    $extension = strtolower($pathinfo['extension']);
+                    if ( in_array($extension, $this->supportFileExtensions) ) {
+                        if ($extension != 'txt') {
+                            $branch = $this->getFileData($realpath, $this->scanningDirLevel);
+                        }else {
+                            //把描述文件内容合并到被描述的目录或md文件数据中
+                            $branch = $this->mergeDescriptionData($realpath);
                         }
                     }
                 }
 
+                if (!empty($branch)) {
+                    $this->scanResults[$branch['id']] = $branch;
+                    $tree[$branch['id']] = $branch;
+                }
+            }
+        }
 
         return $tree;
     }
 
+    //获取扫描结果
+    public function getScanResults() {
+        return $this->scanResults;
+    }
+
 }

test/DirScannerTest.php

@@ -69,3 +69,8 @@ $scanner = new DirScannerTest();
 $dirTree = $scanner->scan(__DIR__ . '/', 3);
 print_r($dirTree);
 echo "\n";
+echo "\n";
+
+$scanResults = $scanner->getScanResults();
+print_r($scanResults);
+echo "\n";