function _collapse_text_check_options in Collapse Text 7.2

Same name and namespace in other branches

1. 6.2 collapse_text.module \_collapse_text_check_options()

see if there is an options tag available. if so, remove it from the text and set the options.

1 call to _collapse_text_check_options()

_collapse_text_filter_process in ./collapse_text.module

Implements hook_filter_FILTER_process().

File

./collapse_text.module, line 232

collapse_text is an input filter that allows text to be collapsible

Code

function _collapse_text_check_options($text, $options) {
  $matches = array();
  $regex_text = '
    (?<!\\\\)     # not proceeded by a backslash
    \\[            # opening bracket
    collapse      # the word collapse
    \\s+           # white space
    options       # the word options
    [^\\]]*        # everything until the closing bracket
    \\]            # a closing bracket
  ';
  if (preg_match('/' . $regex_text . '/smx', $text, $matches)) {
    $opt_tag = $matches[0];

    // remove the "collapse" from the front of the tag, baking in an "options" tag
    $opt_tag = preg_replace('/^\\[collapse /', '[', $opt_tag);

    // change to angle brackets, so it can be parsed as XML
    $opt_tag = preg_replace(array(
      '/^\\[/',
      '/\\]$/',
    ), array(
      '<',
      '/>',
    ), $opt_tag);

    // turn HTML entities into XML entities
    // Issue #1109792 by eronte
    $opt_tag = _collapse_text_html_to_xml_entities($opt_tag);
    $opt_tag = simplexml_load_string($opt_tag);

    // form options are either 'form="form"' or 'form="noform"'
    if ($opt_tag['form'] == 'form') {
      $options['form'] = 1;
    }
    elseif ($opt_tag['form'] == 'noform') {
      $options['form'] = 0;
    }
    if ($opt_tag['default_title']) {

      // Issue #1096070 by Asgardinho: issues with UTF8 text
      $options['default_title'] = htmlspecialchars(trim($opt_tag['default_title']), ENT_QUOTES, 'UTF-8');
    }

    // remove the options tag, including any miscellaneous <p>, </p>, or <br> tags around it.
    $text = preg_replace('/(?:<\\/?p>|<br\\s*\\/?>)*' . $regex_text . '(?:<\\/?p>|<br\\s*\\/?>)*/smx', '', $text);
  }
  return array(
    $text,
    $options,
  );
}