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;
  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 $repo) {
  29                 if (!($list = glob("$path/*.md"))) {
  30                         $list = glob("$path/*/*.md");
  31                 }
  32                 $this->list = array_filter($list, $this->generateFilter($list));
  33                 sort($this->list, SORT_STRING);
  34                 $this->repo = $repo;
  35         }
  36
  37         /**
  38          * @param array $list
  39          * @return callable
  40          */
  41         private function generateFilter(array $list) {
  42                 return function($v) use($list) {
  43                         if ($v{0} === ".") {
  44                                 return false;
  45                         }
  46                         if (false !== array_search("$v.md", $list, true)) {
  47                                 return false;
  48                         }
  49
  50                         $pi = pathinfo($v);
  51                         if (isset($pi["extension"]) && "md" !== $pi["extension"]) {
  52                                 return false;
  53                         }
  54
  55                         return true;
  56                 };
  57         }
  58
  59         /**
  60          * Implements \Iterator
  61          * @return \mdref\Entry
  62          */
  63         public function current() {
  64                 return $this->repo->getEntry($this->repo->hasFile(current($this->iter)));
  65         }
  66
  67         /**
  68          * Implements \Iterator
  69          */
  70         public function next() {
  71                 next($this->iter);
  72         }
  73
  74         /**
  75          * Implements \Iterator
  76          * @return int
  77          */
  78         public function key() {
  79                 return key($this->iter);
  80         }
  81
  82         /**
  83          * Implements \Iterator
  84          */
  85         public function rewind() {
  86                 $this->iter = $this->list;
  87                 reset($this->iter);
  88         }
  89
  90         /**
  91          * Implements \Iterator
  92          * @return bool
  93          */
  94         public function valid() {
  95                 return null !== key($this->iter);
  96         }
  97
  98         /**
  99          * Implements \RecursiveIterator
 100          * @return bool
 101          */
 102         public function hasChildren() {
 103                 return $this->current()->hasIterator();
 104         }
 105
 106         /**
 107          * Implements \RecursiveIterator
 108          * @return \mdref\Tree
 109          */
 110         public function getChildren() {
 111                 return $this->current()->getIterator();
 112         }
 113 }