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oembed.inc in oEmbed 6.0

Functions for the oEmbed filter

File

oembed.inc
View source
<?php

/**
 * @file
 * Functions for the oEmbed filter
 */
function _oembed_filter_apply($text, $format) {
  global $_oembed_default_attributes;
  $_oembed_default_attributes = array_filter(array(
    'maxwidth' => intval(variable_get('oembed_maxwidth_' . $format, '')),
    'maxheight' => intval(variable_get('oembed_maxheight_' . $format, '')),
  ));
  $text = preg_replace_callback("`(^|<p(?:\\s[^>]*)*>|<li(?:\\s[^>]*)*>|<br(?:\\s[^>]*)*>|[ \n\r\t\\(])((http://|https://|ftp://|mailto:|smb://|afp://|file://|gopher://|news://|ssl://|sslv2://|sslv3://|tls://|tcp://|udp://)([a-zA-Z0-9@:%_+*~#?&=.,/;-]*[a-zA-Z0-9@:%_+*~#&=/;-]))([.,?!]*?)(?=(\$|</p>|</li>|<br\\s*/?>|[ \n\r\t\\)]))`i", '_oembed_preg_parse', $text);
  unset($_oembed_default_attributes);
  return $text;
}
function _oembed_filter_settings($format) {
  $form = array();
  $form['oembed'] = array(
    '#type' => 'fieldset',
    '#title' => t('oEmbed'),
    '#collapsible' => TRUE,
  );
  $form['oembed']['oembed_maxwidth_' . $format] = array(
    '#type' => 'textfield',
    '#title' => t('Maximum width of embed'),
    '#default_value' => variable_get('oembed_maxwidth_' . $format, ''),
    '#description' => t('The maximum width of an embed, isn\'t respected by all providers'),
  );
  $form['oembed']['oembed_maxheight_' . $format] = array(
    '#type' => 'textfield',
    '#title' => t('Maximum height of embed'),
    '#default_value' => variable_get('oembed_maxheight_' . $format, ''),
    '#description' => t('The maximum height of an embed, isn\'t respected by all providers'),
  );
  return $form;
}
function _oembed_preg_parse($match) {
  return _oembed_resolve_link($match[2], $match[1], $match[5]);
}
function _oembed_resolve_link($match, $prefix, $suffix) {
  global $_oembed_default_attributes;
  $return = '';
  $url = decode_entities($match);
  if ($embed = oembedcore_oembed_data($url, $_oembed_default_attributes)) {
    $return = oembedcore_oembed_html($embed, $url);
  }
  else {
    $return = l($match, $url, array(
      'absolute' => TRUE,
    ));
  }
  return $prefix . $return . $suffix;
}

Functions