sfjp/wiki/formatter/html.php

   1 <?php
   2 namespace sfjp\Wiki\Formatter;
   3 class HTML extends Base {
   4         static public $singleton_tags = array('line', 'hr', 'image', 'img', 'newline', 'br');
   5
   6         public $tagmap;
   7
   8         function __construct() {
   9                 $this->tagmap = array(
  10                                       "bold"        => "strong",
  11                                       "italic"      => "em",
  12                                       "strike"      => "del",
  13                                       "underline"   => array('span', array('style' => 'text-decoration: underline;')),
  14                                       "monospace"   => "tt",
  15                                       "superscript" => "sup",
  16                                       "subscript"   => "sub",
  17                                       "table_row"   => "tr",
  18                                       "table_col"   => "td",
  19                                       "list_mark"   => "ul",
  20                                       "list_num"    => "ol",
  21                                       "list_roma"   => array("ol", array('style' => 'list-style-type: lower-roman;')),
  22                                       "list_ROMA"   => array("ol", array('style' => 'list-style-type: upper-roman;')),
  23                                       "list_alpha"  => array("ol", array('style' => 'list-style-type: lower-alpha;')),
  24                                       "list_ALPHA"  => array("ol", array('style' => 'list-style-type: upper-alpha;')),
  25                                       "list_item"   => "li",
  26                                       "quote"       => array("blockquote", array("class" => "citation")),
  27                                       "paragraph"   => "p",
  28                                       "heading1"    => "h1",
  29                                       "heading2"    => "h2",
  30                                       "heading3"    => "h3",
  31                                       "heading4"    => "h4",
  32                                       "heading5"    => "h5",
  33                                       "heading6"    => "h6",
  34                                       "line"        => "hr",
  35                                       "indent"      => array('div', array('class' => 'indent')),
  36                                       "image"       => "img",
  37                                       "newline"     => "br",
  38                                       "error"       => array("span", array('class' => 'wiki-system-error')),
  39                                       );
  40         }
  41
  42         public function reset() {
  43                 ; # nothing
  44                           }
  45
  46         public function cleanup() {
  47
  48         }
  49
  50         public function raw_node($string) {
  51                 return $string;
  52         }
  53
  54         public function text_node($text) {
  55                 return htmlspecialchars($text);
  56         }
  57
  58         public function open_element($name, $opt=null) {
  59                 if (!isset($opt)) $opt = array();
  60                 switch ($name) {
  61                 case "bolditalic":
  62                         return self::tag_builder("strong", $opt)."<em>";
  63                 case "table":
  64                         return
  65                                 self::tag_builder("table",
  66                                                   array_merge(array("class" => "wikitable"),
  67                                                               $opt))
  68                                 . '<tbody>';
  69                 case "link":
  70                         return self::tag_builder("a", $opt);
  71                 default:
  72                         if (array_key_exists($name, $this->tagmap)) {
  73                                 $taginfo = self::merge_tagopt($this->tagmap[$name], $opt);
  74                                 return self::tag_builder($taginfo[0], $taginfo[1]);
  75                         } else {
  76                                 return self::merge_tagopt($name, $opt);
  77                         }
  78                 }
  79         }
  80
  81         public function close_element($name, $opt=array()) {
  82                 if (in_array($name, static::$singleton_tags))
  83                         return ''; # no close tag.
  84                 switch ($name) {
  85                 case "bolditalic":
  86                 return "</em></strong>";
  87                 case "table":
  88                         return "</tbody></table>";
  89                 case "link":
  90                         return "</a>";
  91                 default:
  92                         if (array_key_exists($name, $this->tagmap)) {
  93                                 $taginfo = self::merge_tagopt($this->tagmap[$name], $opt);
  94                                 return self::tag_builder($taginfo[0], $taginfo[1], false);
  95                         } else {
  96                                 return "</$name>";
  97                         }
  98                 }
  99         }
 100
 101         public function element($name, $text = '', $opts = array()) {
 102                 return $this->open_element($name, $opts) .
 103                         $this->text_node($text) .
 104                         $this->close_element($name, $opts);
 105         }
 106
 107         static protected function merge_tagopt($taginfo, $newopt) {
 108                 if (!is_array($taginfo))
 109                         $taginfo = array($taginfo, array());
 110                 if (!isset($newopt)) return $taginfo;
 111                 $taginfo[1] = $taginfo[1] + $newopt;
 112                 return $taginfo;
 113         }
 114
 115         static function tag_builder($name, $opt=null, $open=true) {
 116                 $ret = "<".($open ? '' : '/').htmlspecialchars($name);
 117
 118                 if ($name == "a" && array_key_exists("href", $opt) &&
 119                     !(array_key_exists("pass_unsecure", $opt) && $opt["pass_unsecure"])) {
 120                         $opt["href"] = preg_replace('/^(javascript|telnet|tel):/i', '', $opt["href"]);
 121                 }
 122
 123                 if ($open && isset($opt) && is_array($opt) && count($opt) > 0 ) {
 124                         foreach($opt as $pname => $pvalue) {
 125                                 if ($pname === "id")  {
 126                                         $pvalue = self::escape_id_value($pvalue);
 127                                 }
 128                                 if (isset($pvalue)) {
 129                                         $ret .= " " . htmlspecialchars($pname) . '="'. htmlspecialchars($pvalue) .'"';
 130                                 } else {
 131                                         $ret .= " " . htmlspecialchars($pname);
 132                                 }
 133                         }
 134                 } else if ($open && isset($opt) && !empty($opt)) {
 135                         $ret .= " $opt";
 136                 }
 137
 138                 $close = in_array($name, static::$singleton_tags) ? ' />' : '>';
 139                 return $ret . $close;
 140         }
 141 }