classes/miniwiki.php

   1 <?php
   2
   3 class MiniWiki
   4 {
   5
   6     private static $patternsWiki = array();
   7     private static $replacementHTML = array();
   8     private static $replacementText = array();
   9
  10     private static $title_index = -1;
  11     private static $info     = array();
  12
  13     public static function Markup($pattern, $replacement, $replacementTxt, $info = null)
  14     {
  15         $id = count(MiniWiki::$patternsWiki);
  16         MiniWiki::$patternsWiki[$id] = $pattern;
  17         MiniWiki::$replacementHTML[$id] = $replacement;
  18         MiniWiki::$replacementText[$id] = $replacementTxt;
  19         if ($info) {
  20             MiniWiki::$info[$id] = $info;
  21         }
  22         return $id;
  23     }
  24
  25     public static function init()
  26     {
  27         if (isset(MiniWiki::$patternsWiki[0])) {
  28             return;
  29         }
  30         MiniWiki::Markup("/(\r\n|\r([^\n]))/", "\n$2", "\n$2");
  31
  32         // retours à la ligne avec \\
  33         MiniWiki::Markup("/\\\\(?".">(\\\\*))\n/e", "str_repeat('<br />\n',mb_strlen('$1'))", "str_repeat('\n',mb_strlen('$1'))", "ligne1\\\\\nligne2");
  34
  35         // || Tables
  36         MiniWiki::Markup("/((^|\n)\|\|(([^\n]*(\n|$))(\|\|[^\n]*(\n|$))*))/se",
  37                          "'</p><table class=\"tinybicol\">'
  38                          . str_replace(\"\n\", '', str_replace('||', '</td><td>', preg_replace(\"/\|\|($|\\n)/\", '</td></tr>\n', preg_replace(\"/(^|\\n)\|\|/\", '\n<tr><td>', '$1'))))
  39                          . '</table><p>'",
  40                          "str_replace('||', '|', '$1')",
  41                          "||ligne1 colonne1||ligne1 colonne2||\n||ligne2 colonne1||ligne2 colonne2||");
  42
  43         // * unordered list
  44         MiniWiki::Markup("/(^|\n)\*(([^\n]*(\n|$))(\*[^\n]*(\n|$))*)/se",
  45                          "'</p>\n<ul><li>'.str_replace(\"\\n*\",'</li><li>','$2').'</li></ul>\n<p>'",
  46                          "'$1 -' . str_replace(\"\\n*\", \"\\n -\", '$2')",
  47                          "* element1\n* element2\n* element3");
  48         // # ordered list
  49         MiniWiki::Markup("/(^|\n)#(([^\n]*(\n|$))(#[^\n]*(\n|$))*)/se", "'</p>\n<ol><li>'.str_replace(\"\\n#\",'</li><li>','$2').'</li></ol>\n<p>'", "'$0'", "# element1\n# element2\n# element3");
  50
  51         // bold, italic and others
  52         // ''' bold '''
  53         MiniWiki::Markup("/'''(.*?)'''/",'<strong>$1</strong>','*$1*', "'''gras'''");
  54         // '' italic ''
  55         MiniWiki::Markup("/''(.*?)''/",'<em>$1</em>','/$1/', "''italique''");
  56         // '+ big +'
  57         MiniWiki::Markup("/'\\+(.*?)\\+'/",'<big>$1</big>','*$1*', "'+grand+'");
  58         // '- small -'
  59         MiniWiki::Markup("/'\\-(.*?)\\-'/",'<small>$1</small>','$1', "'-petit-'");
  60         // '^superscript^'
  61         MiniWiki::Markup("/'\\^(.*?)\\^'/",'<sup>$1</sup>','$1', "'^exposant^'");
  62         // '_subscript_'
  63         MiniWiki::Markup("/'_(.*?)_'/",'<sub>$1</sub>','$1', "'_indice_'");
  64         // {+ underline +}
  65         MiniWiki::Markup("/\\{\\+(.*?)\\+\\}/",'<ins>$1</ins>','_$1_', "{+insertion+}");
  66         // {- strikeout -}
  67         MiniWiki::Markup("/\\{-(.*?)-\\}/",'<del>$1</del>','-$1-', "{-suppression-}");
  68         // {color| colored text |}
  69         MiniWiki::Markup("/%([a-z]+|\#[0-9a-f]{3,6})%(.*?)%%/i", "<span style='color: $1;'>$2</span>", "$2",
  70                          "%red% texte en rouge %%\\\\\n%#ff0% texte en jaune %%\\\\\n%#0000ff% texte en bleu %%");
  71         // [+ big +] [++ bigger ++] [+++ even bigger +++] ...
  72         MiniWiki::Markup("/\\[(([-+])+)(.*?)\\1\\]/e","'<span style=\'font-size:'.(round(pow(6/5,$2mb_strlen('$1'))*100,0)).'%\'>$3</span>'", "'$3'", "[+ grand +]\n\n[++ plus grand ++]\n\n[+++ encore plus grand +++]");
  73
  74         // ----- <hr/>
  75         MiniWiki::Markup("/(\n|^)--(--+| \n)/s", '$1<hr/>', '$1-- '."\n", "----\n");
  76         // titles
  77         MiniWiki::$title_index = MiniWiki::Markup('/(\n|^)(!+)([^\n]*)/se',
  78                                                   "'$1<h'.mb_strlen('$2').'>$3</h'.mb_strlen('$2').'>'",
  79                                                   "'$1$3'", "!titre1\n\n!!titre2\n\n!!!titre3");
  80
  81         // links
  82         MiniWiki::Markup('/((?:https?|ftp):\/\/(?:[\.\,\;\!\:]*[\w@~%$£µ&i#\-+=_\/\?])*)/ui',
  83                          '<a href="\\0">\\0</a>', '<\\0>');
  84         MiniWiki::Markup('/(\s|^|\[\[)www\.((?:[\.\,\;\!\:]*[\w@~%$£µ&i#\-+=_\/\?])*)/iu',
  85                          '\\1<a href="http://www.\\2">www.\\2</a>', '\\1<http://www.\\2>');
  86         MiniWiki::Markup('/(?:mailto:)?([a-z0-9.\-+_]+@([\-.+_]?[a-z0-9])+)/i', '<a href="mailto:\\0">\\0</a>', '<\\0>');
  87         MiniWiki::Markup('/\[\[\s*<(?:a href=")?([^">]*?)(?:">.*?<\/a)?>\s*\|([^\]]+)\]\]/i',
  88                          '<a href="\\1">\\2</a>', '\\2 <\\1>',
  89                          "[[http://www.example.com|Mon site web]]\n\nhttp://www.example.com\n\ntest@example.com");
  90
  91         // paragraphs and empty lines
  92         MiniWiki::Markup("/\n\n/", '</p><p>', "\n\n", "paragraphe1\n\nparagraphe2");
  93         MiniWiki::Markup("/\n/", ' ', "\n");
  94         MiniWiki::Markup("/^.*<\/p>.*<p>.*$/s", "<p>$0</p>", "$0");
  95
  96         // french typo rules, unbreakable spaces
  97         MiniWiki::Markup("/ +([!?:;])/", "&nbsp;$1", "$0");
  98     }
  99
 100     public static function WikiToHTML($wiki, $title = false)
 101     {
 102         if (!$title) {
 103             $oldrule12 = MiniWiki::$replacementHTML[MiniWiki::$title_index];
 104             MiniWiki::$replacementHTML[MiniWiki::$title_index] = "'$0'";
 105         }
 106         $html = preg_replace(MiniWiki::$patternsWiki,
 107                              MiniWiki::$replacementHTML,
 108                              htmlentities(trim($wiki), ENT_COMPAT, 'UTF-8'));
 109         if (!$title) {
 110             MiniWiki::$replacementHTML[MiniWiki::$title_index] = $oldrule12;
 111         }
 112         return $html;
 113     }
 114
 115     private static function justify($text, $n)
 116     {
 117         $arr = explode("\n", wordwrap($text, $n));
 118         $arr = array_map('trim', $arr);
 119         $res = '';
 120         foreach ($arr as $key => $line) {
 121             $nxl       = isset($arr[$key+1]) ? trim($arr[$key+1]) : '';
 122             $nxl_split = preg_split('! +!u', $nxl);
 123             $nxw_len   = count($nxl_split) ? mb_strlen($nxl_split[0]) : 0;
 124             $line      = trim($line);
 125
 126             if (mb_strlen($line)+1+$nxw_len < $n) {
 127                 $res .= "$line\n";
 128                 continue;
 129             }
 130
 131             if (preg_match('![.:;]$!u',$line)) {
 132                 $res .= "$line\n";
 133                 continue;
 134             }
 135
 136             $tmp   = preg_split('! +!u', trim($line));
 137             $words = count($tmp);
 138             if ($words <= 1) {
 139                 $res .= "$line\n";
 140                 continue;
 141             }
 142
 143             $len   = array_sum(array_map('mb_strlen', $tmp));
 144             $empty = $n - $len;
 145             $sw    = floatval($empty) / floatval($words-1);
 146
 147             $cur = 0;
 148             $l   = '';
 149             foreach ($tmp as $word) {
 150                 $l   .= $word;
 151                 $cur += $sw + strlen($word); // Use strlen here instead of mb_strlen because it is used by str_pad
 152                                              // which is not multibyte compatible
 153                 $l   = str_pad($l, intval($cur + 0.5));
 154             }
 155             $res .= trim($l)."\n";
 156         }
 157         return trim($res);
 158     }
 159
 160
 161     public static function WikiToText($wiki, $just=false, $indent=0, $width=68, $title=false)
 162     {
 163         if (!$title) {
 164             $oldrule12 = MiniWiki::$replacementHTML[MiniWiki::$title_index];
 165             MiniWiki::$replacementHTML[MiniWiki::$title_index] = "'$0'";
 166         }
 167         //$text = trim($wiki);
 168         //foreach (MiniWiki::$patternsWiki as $key=>$pattern) {
 169         //    echo $key . " -  " . $pattern . "\n";
 170         //    $text = preg_replace($pattern, MiniWiki::$replacementText[$key], $text);
 171         //}
 172         $text = preg_replace(MiniWiki::$patternsWiki, MiniWiki::$replacementText, trim($wiki));
 173         if (!$title) {
 174             MiniWiki::$replacementHTML[MiniWiki::$title_index] = $oldrule12;
 175         }
 176         $text = $just ? MiniWiki::justify($text, $width - $indent) :  wordwrap($text, $width - $indent);
 177         if($indent) {
 178             $ind = str_pad('',$indent);
 179             $text = $ind.str_replace("\n","\n$ind",$text);
 180         }
 181         return $text;
 182     }
 183
 184     static public function help($with_title = false)
 185     {
 186         if (!$with_title) {
 187             $info12 = MiniWiki::$info[MiniWiki::$title_index];
 188             unset(MiniWiki::$info[MiniWiki::$title_index]);
 189         }
 190
 191         $res = array();
 192         foreach (MiniWiki::$info as $value) {
 193             $res[$value] = MiniWiki::wikiToHtml($value, true);
 194         }
 195
 196         if (!$with_title) {
 197             MiniWiki::$info[MiniWiki::$title_index] = $info12;
 198         }
 199         return $res;
 200     }
 201 }
 202
 203 MiniWiki::init();
 204
 205 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker fenc=utf-8:
 206 ?>