data-store.php

Basic data store utility -- unfinished
git clone git://git.finwo.net/lib/data-store.php
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init.php (2650B)

      1 <?php
      2 
      3 require_once '..' . DIRECTORY_SEPARATOR . 'src' . DIRECTORY_SEPARATOR . 'autoload.php';
      4 
      5 function url_params( $template ) {
      6     $data     = $_GET;
      7     $url      = $_SERVER['REQUEST_URI'];
      8     $url      = explode('?',$url);
      9     $url      = explode('/',array_shift($url));
     10     $template = explode('/',$template);
     11     foreach ( $template as $index => $name ) {
     12         if (substr($name,0,1)!=':') continue;
     13         $name = substr($name,1);
     14         $data[$name] = isset($url[$index]) ? $url[$index] : null;
     15     }
     16     return $data;
     17 }
     18 
     19 function get_deep( $data, $key = "" ) {
     20     if (is_string($key)) $key = explode('.', $key);
     21     if (!is_array($key)) return null;
     22     if ( is_object($data) ) $data = (array) $data;
     23     if ( !is_array($data) ) return null;
     24     if ( count($key) == 1 ) {
     25         $key = array_shift($key);
     26         if ( isset($data[$key]) ) {
     27             return $data[$key];
     28         }
     29         return null;
     30     }
     31     $current_key = array_shift($key);
     32     return get_deep( $data[$current_key], $key );
     33 }
     34 
     35 function entity_matches( $entity, $filter ) {
     36     foreach ( $filter as $key => $query ) {
     37         $value = get_deep( $entity, $key );
     38         switch(substr($query,0,1)) {
     39             case '/':
     40                 if ( !preg_match($query, $value) ) return false;
     41                 break;
     42             case '>':
     43                 $query = substr($query,1);
     44                 if ( !is_numeric($query) ) return false;
     45                 if ( !is_numeric($value) ) return false;
     46                 if (!(floatval($value) > floatval($query))) return false;
     47                 break;
     48             case '<':
     49                 $query = substr($query,1);
     50                 if ( !is_numeric($query) ) return false;
     51                 if ( !is_numeric($value) ) return false;
     52                 if (!(floatval($value) < floatval($query))) return false;
     53                 break;
     54             case '!':
     55                 $query = substr($query,1);
     56                 if ( $query == $value ) return false;
     57                 break;
     58             default:
     59                 if ( $query != $value ) return false;
     60                 break;
     61         }
     62     }
     63     return true;
     64 }
     65 
     66 function random_char() {
     67     $alphabet = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
     68     return $alphabet[rand(0, strlen($alphabet)-1)];
     69 }
     70 
     71 function uuid( $collection = null ) {
     72     if (is_null($collection)) return uniqid('_');
     73     $dir = APPROOT.DS.'data'.DS.$collection.DS;
     74     if (!is_dir($dir)) return uniqid('_');
     75     $output = '_';
     76     while ( strlen($output) < 5 )           $output .= random_char();
     77     while ( is_file($dir.$output.'.json') ) $output .= random_char();
     78     return $output;
     79 }