URISpec.php
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	<?php

	namespace RESTful;

	class URISpec
	{
	public $collection_uri = null,
	$name,
	$idNames;

	public function __construct($name, $idNames, $root = null)
	{
	$this->name = $name;
	if (!is_array($idNames)) {
	$idNames = array($idNames);
	}
	$this->idNames = $idNames;
	if ($root != null) {
	if ($root == '' \|\| substr($root, -1) == '/') {
	$this->collection_uri = $root . $name;
	} else {
	$this->collection_uri = $root . '/' . $name;
	}
	}
	}

	public function match($uri)
	{
	$parts = explode('/', rtrim($uri, "/"));

	// collection
	if ($parts[count($parts) - 1] == $this->name) {

	return array(
	'collection' => true,
	);
	}

	// non-member
	if (count($parts) < count($this->idNames) + 1 \|\|
	$parts[count($parts) - 1 - count($this->idNames)] != $this->name
	) {
	return null;
	}

	// member
	$ids = array_combine(
	$this->idNames,
	array_slice($parts, -count($this->idNames))
	);
	$result = array(
	'collection' => false,
	'ids' => $ids,
	);

	return $result;
	}
	}