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

   1 <?php
   2
   3 namespace mdref;
   4
   5
   6 /**
   7  * A reference repo
   8  */
   9 class Repo implements \IteratorAggregate {
  10         /**
  11          * The name of the repository
  12          * @var string
  13          */
  14         private $name;
  15
  16         /**
  17          * The path to the repository
  18          * @var string
  19          */
  20         private $path;
  21
  22         /**
  23          * The edit url template
  24          * @var string
  25          */
  26         private $edit;
  27
  28         /**
  29          * Path to the repository containing the name.mdref file
  30          * @param string $path
  31          * @throws \InvalidArgumentException
  32          */
  33         public function __construct($path) {
  34                 if (!($mdref = current(glob("$path/*.mdref")))) {
  35                         throw new \InvalidArgumentException(
  36                                 sprintf("Not a reference, could not find '*.mdref': '%s'",
  37                                         $path));
  38                 }
  39
  40                 $this->path = realpath($path);
  41                 $this->name = basename($mdref, ".mdref");
  42                 $this->edit = trim(file_get_contents($mdref));
  43         }
  44
  45         /**
  46          * Get the repository's name
  47          * @return string
  48          */
  49         public function getName() {
  50                 return $this->name;
  51         }
  52
  53         /**
  54          * Get the path of the repository or a file in it
  55          * @param string $file
  56          * @return string
  57          */
  58         public function getPath($file = "") {
  59                 return $this->path . "/$file";
  60         }
  61
  62         /**
  63          * Get the edit url for a ref entry
  64          * @param string $entry
  65          * @return string
  66          */
  67         public function getEditUrl($entry) {
  68                 return sprintf($this->edit, $entry);
  69         }
  70
  71         /**
  72          * Get the file path of an entry in this repo
  73          * @param string $entry
  74          * @return string file path
  75          */
  76         public function hasEntry($entry, &$canonical = null) {
  77                 $trim = rtrim($entry, "/");
  78                 $file = $this->getPath("$trim.md");
  79                 if (is_file($file)) {
  80                         if ($trim !== $entry) {
  81                                 $canonical = $trim;
  82                         }
  83                         return $file;
  84                 }
  85                 $file = $this->getPath($this->getName()."/$entry.md");
  86                 if (is_file($file)) {
  87                         $canonical = $this->getName() . "/" . $entry;
  88                         return $file;
  89                 }
  90         }
  91
  92         /**
  93          * Get the canonical entry name of a file in this repo
  94          * @param string $file
  95          * @return string entry
  96          */
  97         public function hasFile($file) {
  98                 if (($file = realpath($file))) {
  99                         $path = $this->getPath();
 100                         $plen = strlen($path);
 101                         if (!strncmp($file, $path, $plen)) {
 102                                 $dirname = dirname(substr($file, $plen));
 103                                 $basename = basename($file, ".md");
 104
 105                                 if ($dirname === ".") {
 106                                         return $basename;
 107                                 }
 108
 109                                 return  $dirname . "/". $basename;
 110                         }
 111                 }
 112         }
 113
 114         /**
 115          * Get an Entry instance
 116          * @param string $entry
 117          * @return \mdref\Entry
 118          * @throws \OutOfBoundsException
 119          */
 120         public function getEntry($entry) {
 121                 return new Entry($entry, $this);
 122         }
 123
 124         /**
 125          * Get the root Entry instance
 126          * @return \mdref\Entry
 127          */
 128         public function getRootEntry() {
 129                 return new Entry($this->name, $this);
 130         }
 131
 132         /**
 133          * Implements \IteratorAggregate
 134          * @return \mdref\Tree
 135          */
 136         public function getIterator() {
 137                 return new Tree($this->path, $this);
 138         }
 139 }