article.inc.php

   1 <?php
   2 global $monthname;
   3 $monthname = ['?',
   4         'januari', 'februari', 'maart', 'april', 'mei', 'juni',
   5         'juli', 'augustus', 'september', 'oktober', 'november', 'december',
   6 ];
   7
   8 function showdate($parts)
   9 {
  10         global $monthname;
  11         return implode(' ', array_filter([
  12                 intval(@$parts[2]), $parts[1] > 0 ? $monthname[intval($parts[1])] : '', $parts[0],
  13                 count($parts) > 5 ? "$parts[3]:$parts[4]" : '',
  14         ]));
  15 }
  16
  17 class ArchiveArticle
  18 {
  19         public $raw, $preface, $title, $body;
  20
  21         function __construct($path)
  22         {
  23                 $this->page = $path;
  24                 $this->link = preg_replace('{(?:/index)?\.html$}', '', $path);
  25                 if (file_exists($this->page)) {
  26                         $this->raw = file_get_contents($this->page);
  27                         @list ($this->preface, $this->title, $this->body) =
  28                                 preg_split('{<h2>(.*?)</h2>\s*}', $this->raw, 2, PREG_SPLIT_DELIM_CAPTURE);
  29                 }
  30         }
  31
  32         function __get($col)
  33         {
  34                 return $this->$col = $this->$col();  # run method and cache
  35         }
  36
  37         function safetitle()
  38         {
  39                 return trim(strip_tags($this->title));
  40         }
  41         function name()
  42         {
  43                 return $this->safetitle ?: $this->link;
  44         }
  45
  46         function last()
  47         {
  48                 return filemtime($this->page);
  49         }
  50         function lastiso()
  51         {
  52                 return date(DATE_ATOM, $this->last);
  53         }
  54
  55         function dateparts()
  56         {
  57                 preg_match('< / (\d{4}) [/-] (\d{2}) (?:- (\d{2}) )? - >x', $this->page, $ymd);
  58                 array_shift($ymd);
  59                 return $ymd;
  60         }
  61         function dateiso()
  62         {
  63                 return implode('-', $this->dateparts()) . 'T12:00:00+02:00';
  64         }
  65         function date()
  66         {
  67                 return showdate($this->dateparts);
  68         }
  69
  70         function story()
  71         {
  72                 if ( preg_match('{
  73                         \n (?: < (?: p | figure [^>]* ) >\s* )+ (<img\ [^>]*>) | \n <hr\ />
  74                 }x', $this->body, $img, PREG_OFFSET_CAPTURE) ) {
  75                         # strip part after matching divider (image)
  76                         if (isset($img[1])) {
  77                                 $this->img = $img[1][0];
  78                         }
  79                         return substr($this->body, 0, $img[0][1]);
  80                 }
  81                 return $this->body;
  82         }
  83         function teaser()
  84         {
  85                 if (preg_match('{
  86                         <meta \s+ name="description" [^>]* content="([^">]*)"
  87                 }x', $this->preface, $meta)) {
  88                         # prefer specific page description if found (assume before title)
  89                         #TODO: strip from body contents
  90                         return $meta[1];
  91                 }
  92
  93                 if (preg_match('{
  94                         </h2> (?: \s+ | <p\sclass="nav\b.*?</p> | <div[^>]*> )* <p> \s* (.*?) </p>
  95                 }sx', $this->raw, $bodyp, PREG_OFFSET_CAPTURE)) {
  96                         # fallback paragraph contents following the page header
  97                         if ($bodyp[1][1] < 256) {
  98                                 return $bodyp[1][0];
  99                         }
 100                 }
 101
 102                 # starting paragraph for documents without title (assumed simple/partial)
 103                 if (strpos($this->raw, '<h2') === FALSE and preg_match('{
 104                         \A <p> \s* (.*?) </p>
 105                 }sx', $this->raw, $bodyp)) {
 106                         return $bodyp[1];
 107                 }
 108         }
 109
 110         function img()
 111         {
 112                 $this->img = NULL;
 113                 $this->story;
 114                 return $this->img;
 115         }
 116         function image()
 117         {
 118                 if ( preg_match('/\bsrc="([^"]*)"/', $this->img, $src) ) {
 119                         return $src[1];
 120                 }
 121         }
 122         function thumb($size = '300x')
 123         {
 124                 if (!$this->image or $this->image[0] !== '/') return;
 125                 return preg_replace(
 126                         ['{^(?:/thumb/[^/]*)?}', '/\.groot(?=\.\w+$)/'], ["thumb/$size", ''],
 127                         $this->image
 128                 );
 129         }
 130 }