git.m6w6.name Git - mdref/mdref/blob - mdref/Tree.php

   1 <?php
   2
   3 namespace mdref;
   4
   5 class Tree implements \RecursiveIterator {
   6         /**
   7          * The repository
   8          * @var \mdref\Repo
   9          */
  10         private $repo;
  11
  12         /**
  13          * List of first level entries
  14          * @var array
  15          */
  16         private $list = array();
  17
  18         /**
  19          * The list iterator
  20          * @var array
  21          */
  22         private $iter;
  23
  24         /**
  25          * @param string $path
  26          * @param \mdref\Repo $repo
  27          */
  28         public function __construct($path, Repo $repo) {
  29                 if (realpath($path)."/" === $repo->getPath()) {
  30                         $list = [$path ."/". $repo->getName() .".md"];
  31                 } elseif (!($list = glob("$path/*.md"))) {
  32                         $list = glob("$path/*/*.md");
  33                 }
  34                 if ($list) {
  35                         $this->list = array_filter($list, $this->generateFilter($list));
  36                         sort($this->list, SORT_STRING);
  37                 }
  38                 $this->repo = $repo;
  39         }
  40
  41         /**
  42          * @param array $list
  43          * @return callable
  44          */
  45         private function generateFilter(array $list) {
  46                 return function($v) use($list) {
  47                         if ($v{0} === ".") {
  48                                 return false;
  49                         }
  50                         if (false !== array_search("$v.md", $list, true)) {
  51                                 return false;
  52                         }
  53
  54                         $pi = pathinfo($v);
  55                         if (isset($pi["extension"]) && "md" !== $pi["extension"]) {
  56                                 return false;
  57                         }
  58
  59                         return true;
  60                 };
  61         }
  62
  63         /**
  64          * Implements \Iterator
  65          * @return \mdref\Entry
  66          */
  67         public function current() {
  68                 return $this->repo->getEntry($this->repo->hasFile(current($this->iter)));
  69         }
  70
  71         /**
  72          * Implements \Iterator
  73          */
  74         public function next() {
  75                 next($this->iter);
  76         }
  77
  78         /**
  79          * Implements \Iterator
  80          * @return int
  81          */
  82         public function key() {
  83                 return key($this->iter);
  84         }
  85
  86         /**
  87          * Implements \Iterator
  88          */
  89         public function rewind() {
  90                 $this->iter = $this->list;
  91                 reset($this->iter);
  92         }
  93
  94         /**
  95          * Implements \Iterator
  96          * @return bool
  97          */
  98         public function valid() {
  99                 return null !== key($this->iter);
 100         }
 101
 102         /**
 103          * Implements \RecursiveIterator
 104          * @return bool
 105          */
 106         public function hasChildren() {
 107                 return $this->current()->hasIterator();
 108         }
 109
 110         /**
 111          * Implements \RecursiveIterator
 112          * @return \mdref\Tree
 113          */
 114         public function getChildren() {
 115                 return $this->current()->getIterator();
 116         }
 117 }