convert to autocracy

[mdref/mdref] / mdref / Finder.php

<?php

namespace mdref;

class Finder
{
        /**
         * Base URL
         * @var \http\Controller\Url 
         */
        protected $baseUrl;
        
        /**
         * Reference paths
         * @var array
         */
        protected $refs = array();
        
        /**
         * @param \http\Controller\Url $baseUrl
         * @param mixed $paths array or string of paths with markdown references
         */
        function __construct(\http\Controller\Url $baseUrl, $paths = ".") {
                if (!is_array($paths)) {
                        $paths = explode(PATH_SEPARATOR, $paths);
                }
                $this->refs = $paths;
                $this->baseUrl = $baseUrl;
        }
        
        /**
         * @param \http\Url $requestUrl
         * @return Path
         */
        function find(\http\Url $requestUrl) {
                $file = implode(DIRECTORY_SEPARATOR, 
                                $this->baseUrl->params($requestUrl));
                
                foreach ($this->refs as $base) {
                        $path = new Path($base, $file);
                        if ($path->isFile()) {
                                return $path;
                        }
                }
        }

        function glob(Path $path, $pattern, $flags = GLOB_BRACE) {
                if (strlen($path->getBaseDir())) {
                        return glob($path->getFullPath($pattern), $flags);
                }
                $glob = array();
                foreach ($this->refs as $ref) {
                        $glob = array_merge($glob, array_map(function ($fn) use ($ref) {
                                return substr($fn, strlen($ref));
                        }, glob($ref . $pattern, $flags)));
                }
                return $glob;
        }
}