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 $repo) {
  29                 if (!($list = glob("$path/*.md"))) {
  30                         $list = glob("$path/*/*.md");
  31                 }
  32                 if ($list) {
  33                         $this->list = array_filter($list, $this->generateFilter($list));
  34                         sort($this->list, SORT_STRING);
  35                 }
  36                 $this->repo = $repo;
  37         }
  38
  39         /**
  40          * @param array $list
  41          * @return callable
  42          */
  43         private function generateFilter(array $list) {
  44                 return function($v) use($list) {
  45                         if ($v{0} === ".") {
  46                                 return false;
  47                         }
  48                         if (false !== array_search("$v.md", $list, true)) {
  49                                 return false;
  50                         }
  51
  52                         $pi = pathinfo($v);
  53                         if (isset($pi["extension"]) && "md" !== $pi["extension"]) {
  54                                 return false;
  55                         }
  56
  57                         return true;
  58                 };
  59         }
  60
  61         /**
  62          * Implements \Iterator
  63          * @return \mdref\Entry
  64          */
  65         public function current() {
  66                 return $this->repo->getEntry($this->repo->hasFile(current($this->iter)));
  67         }
  68
  69         /**
  70          * Implements \Iterator
  71          */
  72         public function next() {
  73                 next($this->iter);
  74         }
  75
  76         /**
  77          * Implements \Iterator
  78          * @return int
  79          */
  80         public function key() {
  81                 return key($this->iter);
  82         }
  83
  84         /**
  85          * Implements \Iterator
  86          */
  87         public function rewind() {
  88                 $this->iter = $this->list;
  89                 reset($this->iter);
  90         }
  91
  92         /**
  93          * Implements \Iterator
  94          * @return bool
  95          */
  96         public function valid() {
  97                 return null !== key($this->iter);
  98         }
  99
 100         /**
 101          * Implements \RecursiveIterator
 102          * @return bool
 103          */
 104         public function hasChildren() {
 105                 return $this->current()->hasIterator();
 106         }
 107
 108         /**
 109          * Implements \RecursiveIterator
 110          * @return \mdref\Tree
 111          */
 112         public function getChildren() {
 113                 return $this->current()->getIterator();
 114         }
 115 }