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/se3master/var/www/se3/includes/library/HTMLPurifier/ -> Printer.php (source)

   1  <?php
   2  
   3  // OUT OF DATE, NEEDS UPDATING!
   4  // USE XMLWRITER!
   5  
   6  class HTMLPurifier_Printer
   7  {
   8  
   9      /**
  10       * For HTML generation convenience funcs.
  11       * @type HTMLPurifier_Generator
  12       */
  13      protected $generator;
  14  
  15      /**
  16       * For easy access.
  17       * @type HTMLPurifier_Config
  18       */
  19      protected $config;
  20  
  21      /**
  22       * Initialize $generator.
  23       */
  24      public function __construct()
  25      {
  26      }
  27  
  28      /**
  29       * Give generator necessary configuration if possible
  30       * @param HTMLPurifier_Config $config
  31       */
  32      public function prepareGenerator($config)
  33      {
  34          $all = $config->getAll();
  35          $context = new HTMLPurifier_Context();
  36          $this->generator = new HTMLPurifier_Generator($config, $context);
  37      }
  38  
  39      /**
  40       * Main function that renders object or aspect of that object
  41       * @note Parameters vary depending on printer
  42       */
  43      // function render() {}
  44  
  45      /**
  46       * Returns a start tag
  47       * @param string $tag Tag name
  48       * @param array $attr Attribute array
  49       * @return string
  50       */
  51      protected function start($tag, $attr = array())
  52      {
  53          return $this->generator->generateFromToken(
  54              new HTMLPurifier_Token_Start($tag, $attr ? $attr : array())
  55          );
  56      }
  57  
  58      /**
  59       * Returns an end tag
  60       * @param string $tag Tag name
  61       * @return string
  62       */
  63      protected function end($tag)
  64      {
  65          return $this->generator->generateFromToken(
  66              new HTMLPurifier_Token_End($tag)
  67          );
  68      }
  69  
  70      /**
  71       * Prints a complete element with content inside
  72       * @param string $tag Tag name
  73       * @param string $contents Element contents
  74       * @param array $attr Tag attributes
  75       * @param bool $escape whether or not to escape contents
  76       * @return string
  77       */
  78      protected function element($tag, $contents, $attr = array(), $escape = true)
  79      {
  80          return $this->start($tag, $attr) .
  81              ($escape ? $this->escape($contents) : $contents) .
  82              $this->end($tag);
  83      }
  84  
  85      /**
  86       * @param string $tag
  87       * @param array $attr
  88       * @return string
  89       */
  90      protected function elementEmpty($tag, $attr = array())
  91      {
  92          return $this->generator->generateFromToken(
  93              new HTMLPurifier_Token_Empty($tag, $attr)
  94          );
  95      }
  96  
  97      /**
  98       * @param string $text
  99       * @return string
 100       */
 101      protected function text($text)
 102      {
 103          return $this->generator->generateFromToken(
 104              new HTMLPurifier_Token_Text($text)
 105          );
 106      }
 107  
 108      /**
 109       * Prints a simple key/value row in a table.
 110       * @param string $name Key
 111       * @param mixed $value Value
 112       * @return string
 113       */
 114      protected function row($name, $value)
 115      {
 116          if (is_bool($value)) {
 117              $value = $value ? 'On' : 'Off';
 118          }
 119          return
 120              $this->start('tr') . "\n" .
 121              $this->element('th', $name) . "\n" .
 122              $this->element('td', $value) . "\n" .
 123              $this->end('tr');
 124      }
 125  
 126      /**
 127       * Escapes a string for HTML output.
 128       * @param string $string String to escape
 129       * @return string
 130       */
 131      protected function escape($string)
 132      {
 133          $string = HTMLPurifier_Encoder::cleanUTF8($string);
 134          $string = htmlspecialchars($string, ENT_COMPAT, 'UTF-8');
 135          return $string;
 136      }
 137  
 138      /**
 139       * Takes a list of strings and turns them into a single list
 140       * @param string[] $array List of strings
 141       * @param bool $polite Bool whether or not to add an end before the last
 142       * @return string
 143       */
 144      protected function listify($array, $polite = false)
 145      {
 146          if (empty($array)) {
 147              return 'None';
 148          }
 149          $ret = '';
 150          $i = count($array);
 151          foreach ($array as $value) {
 152              $i--;
 153              $ret .= $value;
 154              if ($i > 0 && !($polite && $i == 1)) {
 155                  $ret .= ', ';
 156              }
 157              if ($polite && $i == 1) {
 158                  $ret .= 'and ';
 159              }
 160          }
 161          return $ret;
 162      }
 163  
 164      /**
 165       * Retrieves the class of an object without prefixes, as well as metadata
 166       * @param object $obj Object to determine class of
 167       * @param string $sec_prefix Further prefix to remove
 168       * @return string
 169       */
 170      protected function getClass($obj, $sec_prefix = '')
 171      {
 172          static $five = null;
 173          if ($five === null) {
 174              $five = version_compare(PHP_VERSION, '5', '>=');
 175          }
 176          $prefix = 'HTMLPurifier_' . $sec_prefix;
 177          if (!$five) {
 178              $prefix = strtolower($prefix);
 179          }
 180          $class = str_replace($prefix, '', get_class($obj));
 181          $lclass = strtolower($class);
 182          $class .= '(';
 183          switch ($lclass) {
 184              case 'enum':
 185                  $values = array();
 186                  foreach ($obj->valid_values as $value => $bool) {
 187                      $values[] = $value;
 188                  }
 189                  $class .= implode(', ', $values);
 190                  break;
 191              case 'css_composite':
 192                  $values = array();
 193                  foreach ($obj->defs as $def) {
 194                      $values[] = $this->getClass($def, $sec_prefix);
 195                  }
 196                  $class .= implode(', ', $values);
 197                  break;
 198              case 'css_multiple':
 199                  $class .= $this->getClass($obj->single, $sec_prefix) . ', ';
 200                  $class .= $obj->max;
 201                  break;
 202              case 'css_denyelementdecorator':
 203                  $class .= $this->getClass($obj->def, $sec_prefix) . ', ';
 204                  $class .= $obj->element;
 205                  break;
 206              case 'css_importantdecorator':
 207                  $class .= $this->getClass($obj->def, $sec_prefix);
 208                  if ($obj->allow) {
 209                      $class .= ', !important';
 210                  }
 211                  break;
 212          }
 213          $class .= ')';
 214          return $class;
 215      }
 216  }
 217  
 218  // vim: et sw=4 sts=4


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