site_map.module

<?php
/**
 * @file
 * Generates and displays an automatic site map.
 */

/**
 * Implements hook_config_info().
 */
function site_map_config_info() {
  $prefixes['site_map.settings'] = array(
    'label' => t('Site map settings'),
    'group' => t('Configuration'),
  );
  return $prefixes;
}

/**
 * Implements hook_permission().
 */
function site_map_permission() {
  return array(
    'access site map' => array(
      'title' => t('View published site map'),
    ),
    'administer site map' => array(
      'title' => t('Administer site map'),
    ),
  );
}

/**
 * Implements hook_theme().
 */
function site_map_theme() {
  return array(
    'site_map' => array(
      'variables' => array(
        'message' => NULL,
        'rss_legend' => NULL,
        'front_page' => NULL,
        'blogs' => NULL,
        'books' => NULL,
        'menus' => NULL,
        'faq' => NULL,
        'taxonomys' => NULL,
        'additional' => NULL,
      ),
      'template' => 'templates/site-map',
      'file' => 'site_map.theme.inc',
    ),
    'site_map_box' => array(
      'variables' => array(
        'title' => NULL,
        'content' => NULL,
        'attributes' => array(),
      ),
      'file' => 'site_map.theme.inc',
    ),
    'site_map_feed_icon' => array(
      'variables' => array('url' => NULL, 'name' => NULL, 'type' => 'node'),
      'file' => 'site_map.theme.inc',
    ),
    'site_map_menu_link' => array(
      'render element' => 'element',
      'file' => 'site_map.theme.inc',
    ),
    'site_map_menu_tree' => array(
      'render element' => 'tree',
      'file' => 'site_map.theme.inc',
    ),
    'site_map_rss_legend' => array(
      'variables' => array(),
      'file' => 'site_map.theme.inc',
    ),
    'site_map_order' => array(
      'render element' => 'element',
      'file' => 'site_map.theme.inc',
    ),
  );
}

/**
 * Implements hook_menu().
 */
function site_map_menu() {
  $items['admin/config/search/sitemap'] = array(
    'title' => 'Site map',
    'description' => 'Control what should be displayed on the site map.',
    'page callback' => 'backdrop_get_form',
    'page arguments' => array('site_map_admin_settings_form'),
    'access arguments' => array('administer site map'),
    'file' => 'site_map.admin.inc',
  );
  $items[config_get('site_map.settings', 'path')] = array(
    'title callback' => '_site_map_title',
    'description' => 'Display a site map with RSS links.',
    'page callback' => 'site_map_page',
    'access arguments' => array('access site map'),
    'type' => MENU_SUGGESTED_ITEM,
  );

  return $items;
}

/**
 * Title callback for the sitemap page.
 *
 * @param string $default
 *   The default title that hook_menu provides.
 *
 * @return string
 *   The actual title of the page (customized or not).
 */
function _site_map_title($default = NULL) {
  $title = config_get('site_map.settings', 'page_title');
  if (strlen($title)) {
    return t($title);
  }

  return t('Site map');
}

/**
 * Implements hook_block_info().
 */
function site_map_block_info() {
  $block['syndicate']['info'] = t('Syndicate (site map)');
  $block['site_map']['info'] = t('Site map');

  return $block;
}

/**
 * Implements hook_block_view().
 */
function site_map_block_view($delta = '') {
  if (user_access('access content')) {
    switch ($delta) {
      case 'syndicate':
        $block['subject'] = t('Syndicate');
        if (arg(0) == 'blog') {
          $uid = arg(1);
          $feedurl = is_numeric($uid) ? "blog/$uid/feed" : 'blog/feed';
        }
        else {
          $feedurl = config_get('site_map.settings', 'rss_front');
        }
        $block['content'] = theme('feed_icon', array(
          'url' => $feedurl,
          'title' => t('Syndicate'),
        ));
        $block['content'] .= theme('more_link', array(
          'url' => 'sitemap',
          'title' => t('View the site map to see more RSS feeds.'),
        ));
        break;

      case 'site_map':
        $block['subject'] = _site_map_title();
        $block['content'] = site_map_content();
        break;
    }

    return $block;
  }
}

/**
 * Menu callback for the site map.
 */
function site_map_page() {
  backdrop_set_title(_site_map_title());

  return site_map_content();
}

/**
 * The content of the site map page.
 */
function site_map_content() {
  if (config_get('site_map.settings', 'css') != 1) {
    backdrop_add_css(backdrop_get_path('module', 'site_map') . '/css/site_map.theme.css');
  }

  return theme('site_map');
}

/**
 * Menu callback for the site map front page.
 *
 * @return string
 *   Returns HTML string for front page site map.
 */
function _site_map_front_page() {
  $output = '';
  $class = array();
  $options = array();
  $title = t('Front page');
  $output = l(t('Front page of %sn', array('%sn' => config_get('system.core', 'site_name'))), '<front>', array('html' => TRUE));
  $config = config('site_map.settings');

  if ($config->get('show_rss_links') != 0) {
    $rss_link = theme('site_map_feed_icon', array(
      'url' => $config->get('rss_front'),
      'name' => 'front page',
    ));
    if (module_exists('commentrss') && config_get('commentrss.settings', 'commentrss_site')) {
      $rss_link .= ' ' . theme('site_map_feed_icon', array(
        'url' => 'crss',
        'name' => 'front page comments',
        'type' => 'comment',
      ));
    }
    if ($config->get('show_rss_links') == 1) {
      $output .= ' ' . $rss_link;
    }
    else {
      $class[] = 'site-map-rss-left';
      $output = $rss_link . ' ' . $output;
    }
  }
  _site_map_set_option($options, 'site_map_show_titles', 1, 1, 'show_titles', TRUE);

  $class[] = 'site-map-box-front';
  $attributes = array('class' => $class);

  return theme('site_map_box', array(
    'title' => $title,
    'content' => $output,
    'attributes' => $attributes,
    'options' => $options,
  ));
}

/**
 * Render the latest blogs.
 *
 * @return string
 *   Returns HTML string of site map for blogs.
 */
function _site_map_blogs() {
  $output = '';
  $class = array();
  $options = array();
  $config = config('site_map.settings');
  if (module_exists('blog')) {
    $title = t('Blogs');
    $output  = '<div class="description">';
    $output .= t('Community blog and recent blog authors at %sn.',
            array('%sn' => config_get('system.core', 'site_name')));
    $output .= '</div>';

    $blog_link = l(t('All blogs'), 'blog');
    if ($config->get('show_rss_links') != 0) {
      $rss_link = theme('site_map_feed_icon', array('url' => 'blog/feed', 'name' => 'all blogs'));
      if ($config->get('show_rss_links') == 1) {
        $blog_link .= ' ' . $rss_link;
      }
      else {
        $class[] = 'site-map-rss-left';
        $blog_link = $rss_link . ' ' . $blog_link;
      }
    }
    _site_map_set_option($options, 'site_map_show_titles', 1, 1, 'show_titles', TRUE);

    $blogs = array();
    $blogs[] = $blog_link;

    $query = db_select('node', 'n');
    $query->join('users', 'u', 'u.uid = n.uid');
    $query->fields('u', array('uid', 'name'));
    $query->addExpression('COUNT(u.uid)', 'numitems');
    $query
      ->condition('n.type', 'blog')
      ->condition('n.status', 1)
      ->groupBy('u.uid')
      ->groupBy('u.name')
      ->orderBy('numitems', 'DESC')
      ->orderBy('u.name', 'ASC')
      ->range(0, 10);
    $query->addTag('node_access');
    $query->distinct();
    $result = $query->execute();
    foreach ($result as $blog) {
      if ($blog->uid == 0) {
        $blog->name = t('Anonymous');
      }
      $blog_item = t('<a href="@url">@name\'s blog</a> (@num_items)', array(
        '@url' => "blog/$blog->uid",
        '@name' => $blog->name,
        '@num_items' => $blog->numitems,
      ));
      if ($config->get('show_rss_links') != 0) {
        $rss_link = theme('site_map_feed_icon', array('url' => "blog/$blog->uid/feed", 'name' => $blog->name . '\'s blog'));
        if ($config->get('show_rss_links') == 1) {
          $blog_item .= ' ' . $rss_link;
        }
        else {
          $blog_item = $rss_link . ' ' . $blog_item;
        }
      }
      $blogs[] = $blog_item;
    }

    $class[] = 'site-map-box-blog';
    $attributes = array('class' => $class);

    $output .= theme('item_list', array('items' => $blogs));
    $output = theme('site_map_box', array(
      'title' => $title,
      'content' => $output,
      'attributes' => $attributes,
      'options' => $options,
    ));
  }

  return $output;
}

/**
 * Render the latest maps for audio.
 *
 * @return string
 *   Returns HTML string of site map for audio.
 */
function _site_map_audio() {
  $output = '';
  $class = array();
  $options = array();
  $config = array();
  if (module_exists('audio')) {
    $title = t('Audio');
    $output = l(t('Audio content'), 'audio');
    if ($config->get('show_rss_links') != 0) {
      $rss_link = theme('site_map_feed_icon', array('url' => 'audio/feed', 'name' => 'audio content'));
      if ($config->get('show_rss_links') == 1) {
        $output .= ' ' . $rss_link;
      }
      else {
        $class[] = 'site-map-rss-left';
        $output = $rss_link . ' ' . $output;
      }
    }
    _site_map_set_option($options, 'site_map_show_titles', 1, 1, 'show_titles', TRUE);

    $class[] = 'site-map-box-audio';
    $attributes = array('class' => $class);

    $output = theme('site_map_box', array(
      'title' => $title,
      'content' => $output,
      'attributes' => $attributes,
      'options' => $options,
    ));
  }

  return $output;
}

/**
 * Render the latest maps for video.
 *
 * @return string
 *   Returns HTML string of site map for video.
 */
function _site_map_video() {
  $output = '';
  $class = array();
  $options = array();
  $config = config('site_map.settings');
  if (module_exists('video')) {
    $title = t('Video');
    $output = l(t('Video content'), 'video');
    if ($config->get('show_rss_links') != 0) {
      $rss_link = theme('site_map_feed_icon', array('url' => 'video/feed', 'name' => 'video content'));
      if ($config->get('show_rss_links') == 1) {
        $output .= ' ' . $rss_link;
      }
      else {
        $class[] = 'site-map-rss-left';
        $output = $rss_link . '  ' . $output;
      }
    }
    _site_map_set_option($options, 'site_map_show_titles', 1, 1, 'show_titles', TRUE);

    $class[] = 'site-map-box-video';
    $attributes = array('class' => $class);

    $output = theme('site_map_box', array(
      'title' => $title,
      'content' => $output,
      'attributes' => $attributes,
      'options' => $options,
    ));
  }

  return $output;
}

/**
 * Render the latest maps for books.
 *
 * @return string
 *   Returns HTML string of site map for video.
 */
function _site_map_books() {
  $output = '';
  $options = array();
  $book_titles = array();
  $config = config('site_map.settings');
  $mlid = array_filter($config->get('show_books'));

  if (module_exists('book') && !empty($mlid)) {
    $books_expanded = $config->get('books_expanded');
    $title = t('Books');
    $description = '<div class="description">' . t('Books at %sn.', array('%sn' => config_get('system.core', 'site_name'))) . '</div>';

    foreach (book_get_books() as $book) {
      if (in_array($book['mlid'], $mlid)) {
        // Use menu_tree_all_data to retrieve the expanded tree.
        $tree = menu_tree_all_data($book['menu_name']);
        if (module_exists('i18n_menu')) {
          $tree = i18n_menu_localize_tree($tree, $GLOBALS['language']->language);
        }
        if ($books_expanded) {
          $tree_output = _site_map_menu_tree_output($tree);
          $output .= backdrop_render($tree_output);
        }
        else {
          $data = array_shift($tree);
          $book_titles[] = theme('book_title_link', array('link' => $data['link']));
        }
      }
    }
    _site_map_set_option($options, 'site_map_show_titles', 1, 1, 'show_titles', TRUE);

    if (!$books_expanded && !empty($book_titles)) {
      $output .= theme('item_list', array('items' => $book_titles));
    }

    if (!empty($output)) {
      $attributes = array('class' => array('site-map-box-book'));

      $output = theme('site_map_box', array(
        'title' => $title,
        'content' => $description . $output,
        'attributes' => $attributes,
        'options' => $options,
      ));
    }
  }

  return $output;
}

/**
 * Render the latest maps for all the menus.
 *
 * @return string
 *   Returns HTML string of site map for menus.
 */
function _site_map_menus($mid) {
  $output = '';
  $class = array();
  $options = array();

  if (!empty($mid)) {
    $menu = menu_load($mid);
    // Use menu_tree_all_data to retrieve the expanded tree.
    $tree = menu_tree_all_data($mid);
    if (module_exists('i18n_menu')) {
      $tree = i18n_menu_localize_tree($tree, $GLOBALS['language']->language);
    }

    // Add an alter hook so that other modules can manipulate the
    // menu tree prior to rendering.
    $alter_mid = preg_replace('/[^a-z0-9_]+/', '_', $mid);
    backdrop_alter(array('site_map_menu_tree', 'site_map_menu_tree_' . $alter_mid), $tree, $menu);

    $menu_display = _site_map_menu_tree_output($tree);
    $menu_html = backdrop_render($menu_display);
    if (!empty($menu_html)) {
      $title = t($menu['title']);
      if (module_exists('i18n_string')) {
        $m_array = array('menu', 'menu', $menu['menu_name'], 'title');
        $title = i18n_string_plain($m_array, $title);
      }
      _site_map_set_option($options, 'site_map_show_titles', 1, 1, 'show_titles', TRUE);

      $class[] = 'site-map-box-menu';
      $class[] = 'site-map-box-menu-' . $mid;
      $attributes = array('class' => $class);
      $output .= theme('site_map_box', array(
        'title' => $title,
        'content' => $menu_html,
        'attributes' => $attributes,
        'options' => $options,
      ));
    }
  }

  return $output;
}

/**
 * Render the latest maps for faq.
 *
 * @return string
 *   Returns HTML string of site map for faq.
 */
function _site_map_faq() {
  $output = '';
  $options = array();
  if (module_exists('faq')) {
    $title = config_get('faq.settings', 'faq_title', t('Frequently Asked Questions'));
    $attributes = array('class' => array('site-map-box-faq'));
    $output = faq_get_faq_list();
    _site_map_set_option($options, 'site_map_show_titles', 1, 1, 'show_titles', TRUE);

    $output = theme('site_map_box', array(
      'title' => $title,
      'content' => $output,
      'attributes' => $attributes,
      'options' => $options,
    ));
  }

  return $output;
}

/**
 * Render the latest maps for the taxonomy tree.
 *
 * @param object $voabulary
 *   Taxonomy vocabulary.
 *
 * @return string
 *   Returns HTML string of site map for taxonomies.
 */
function _site_map_taxonomys($vocabulary) {
  $output = '';
  $options = array();

  if (module_exists('taxonomy') && !empty($vocabulary)) {
    if (module_exists('i18n_taxonomy')) {
      $vocabulary->name = i18n_taxonomy_vocabulary_name($vocabulary, $GLOBALS['language']->language);
    }

    $output .= _site_map_taxonomy_tree($vocabulary->machine_name, $vocabulary->name, $vocabulary->description);
    _site_map_set_option($options, 'site_map_show_titles', 1, 1, 'show_titles', TRUE);
  }

  return $output;
}

/**
 * Render the taxonomy tree.
 *
 * @param string $machine_name
 *   Machine name of the vocabulary.
 * @param string $name
 *   An optional name for the tree. (Default: NULL)
 * @param string $description
 *   $description An optional description of the tree. (Default: NULL)
 *
 * @return string
 *   A string representing a rendered tree.
 */
function _site_map_taxonomy_tree($machine_name, $name = NULL, $description = NULL) {
  $output = '';
  $options = array();
  $class = array();
  $config = config('site_map.settings');

  $title = isset($name) ? check_plain(t($name)) : '';
  $threshold = $config->get('term_threshold');

  if (module_exists('commentrss') && config_get('commentrss.settings', 'commentrss_term')) {
    $title .= theme('site_map_feed_icon', array(
      'url' => "crss/vocab/$machine_name",
      'name' => check_plain($name),
      'type' => 'comment',
    ));
  }

  $last_depth = -1;

  $output .= !empty($description) && $config->get('show_description') ? '<div class="description">' . filter_xss_admin($description) . "</div>\n" : '';

  // Get the depth.
  $site_map_categories_depth = $config->get('term_depth') ? $config->get('term_depth') : NULL;
  if ($site_map_categories_depth == 'all') {
    $site_map_categories_depth = NULL;
  }

  $link_empty = $config->get('link_empty');

  // Get the tree in a form that respects access control and translations.
  if (module_exists('i18n_taxonomy')) {
    // Taxonomy Translation.
    $tree = i18n_taxonomy_get_tree($machine_name, $GLOBALS['language']->language, 0, $site_map_categories_depth);
  }
  elseif (module_exists('entity_translation')) {
    // Setting the last parameter has performance implications, but adds
    // proper translation support: https://www.drupal.org/node/2418629.
    $tree = taxonomy_get_tree($machine_name, 0, $site_map_categories_depth, TRUE);
  }
  else {
    // If we don't care about translation, there's no need to lose performance.
    $tree = taxonomy_get_tree($machine_name, 0, $site_map_categories_depth);
  }

  foreach ($tree as $term) {
    $term->count = site_map_taxonomy_term_count_nodes($term->tid);
    if ($term->count <= $threshold) {
      continue;
    }

    if (module_exists('i18n_taxonomy')) {
      $term->name = i18n_taxonomy_term_name($term, $GLOBALS['language']->language);
    }

    // Adjust the depth of the <ul> based on the change
    // in $term->depth since the $last_depth.
    if ($term->depth > $last_depth) {
      for ($i = 0; $i < ($term->depth - $last_depth); $i++) {
        $output .= "\n<ul>";
      }
    }
    elseif ($term->depth == $last_depth) {
      $output .= '</li>';
    }
    elseif ($term->depth < $last_depth) {
      for ($i = 0; $i < ($last_depth - $term->depth); $i++) {
        $output .= "</li>\n</ul>\n</li>";
      }
    }
    // Display the $term.
    $output .= "\n<li>";
    $term_item = '';
    if ($forum_link) {
      $term_item .= l($term->name, 'forum/' . $term->tid, array('attributes' => array('title' => $term->description)));
    }
    elseif ($link_empty || $term->count) {
      $term_item .= l($term->name, 'taxonomy/term/' . $term->tid, array('attributes' => array('title' => $term->description)));
    }
    else {
      $term_item .= check_plain($term->name);
    }
    if ($config->get('show_count')) {
      $term_item .= " <span title=\"" . format_plural($term->count, '1 item has this tag', '@count items have this tag') . "\">(" . $term->count . ")</span>";
    }

    if ($config->get('show_rss_links') != 0) {
      $rss_link = theme('site_map_feed_icon', array('url' => 'taxonomy/term/' . $term->tid . '/feed', 'name' => $term->name));
      if (module_exists('commentrss') && config_get('commentrss.settings', 'commentrss_term')) {
        $rss_link .= ' ' . theme('site_map_feed_icon', array(
          'url' => "crss/term/$term->tid",
          'type' => 'comment',
          'name' => $term->name . ' comments',
        ));
      }

      $term_item .= ' ' . $rss_link;
    }

    // Add an alter hook for modules to manipulate the taxonomy term output.
    backdrop_alter(array('site_map_taxonomy_term', 'site_map_taxonomy_term_' . $term->tid), $term_item, $term);

    $output .= $term_item;

    // Reset $last_depth in preparation for the next $term.
    $last_depth = $term->depth;
  }

  // Bring the depth back to where it began, -1.
  if ($last_depth > -1) {
    for ($i = 0; $i < ($last_depth + 1); $i++) {
      $output .= "</li>\n</ul>\n";
    }
  }
  _site_map_set_option($options, 'show_titles', 1, 1, 'show_titles', TRUE);

  $class[] = 'site-map-box-terms';
  $class[] = 'site-map-box-terms-' . $machine_name;
  $attributes = array('class' => $class);

  $output = theme('site_map_box', array(
    'title' => $title,
    'content' => $output,
    'attributes' => $attributes,
    'options' => $options,
  ));

  return $output;
}

/**
 * Count the number of published nodes classified by a term.
 *
 * This is a re-implementation of taxonomy_term_count_nodes() that has been
 * removed from D7 core.
 *
 * Implementation note: the normal way to count field instances is through
 * field_attach_query(), but taxonomy.module has a special denormalized
 * table taxonomy_index which we can use for more speed. THX to taxonews.
 *
 * @param string $tid
 *   The term's ID.
 *
 * @return string
 *   An integer representing a number of nodes. Results are statically cached.
 */
function site_map_taxonomy_term_count_nodes($tid) {
  $query = db_select('taxonomy_index', 'ti');
  $query->addExpression('COUNT(ti.nid)');
  $count = $query
    ->condition('ti.tid', $tid)
    ->execute()->fetchCol();
  return $count[0];
}

/**
 * Returns a rendered menu tree.
 *
 * This is a clone of the core menu_tree_output() function with the exception
 * of theme('site_map_menu_tree') for theming override reasons.
 *
 * The menu item's LI element is given one of the following classes:
 * - expanded: The menu item is showing its submenu.
 * - collapsed: The menu item has a submenu which is not shown.
 * - leaf: The menu item has no submenu.
 *
 * @param array $tree
 *   A data structure representing the tree as returned from menu_tree_data.
 *
 * @return array
 *   A structured array to be rendered by backdrop_render().
 */
function _site_map_menu_tree_output($tree) {
  $build = array();
  $items = array();
  $config = config('site_map.settings');

  // Pull out just the menu links we are going to render so that we
  // get an accurate count for the first/last classes.
  foreach ($tree as $data) {
    if ($data['link']['access'] && (!$data['link']['hidden'] || $config->get('show_menus_hidden'))) {
      $items[] = $data;
    }
  }

  $router_item = menu_get_item();
  $num_items = count($items);
  foreach ($items as $i => $data) {
    $class = array();
    if ($i == 0) {
      $class[] = 'first';
    }
    if ($i == $num_items - 1) {
      $class[] = 'last';
    }
    // Set a class for the <li>-tag. Since $data['below'] may contain local
    // tasks, only set 'expanded' class if the link also has children within
    // the current menu.
    if ($data['link']['has_children'] && $data['below']) {
      $class[] = 'expanded';
    }
    elseif ($data['link']['has_children']) {
      $class[] = 'collapsed';
    }
    else {
      $class[] = 'leaf';
    }
    // Set a class if the link is in the active trail.
    if ($data['link']['in_active_trail']) {
      $class[] = 'active-trail';
      $data['link']['localized_options']['attributes']['class'][] = 'active-trail';
    }
    // Normally, l() compares the href of every link with $_GET['q'] and sets
    // the active class accordingly. But local tasks do not appear in menu
    // trees, so if the current path is a local task, and this link is its
    // tab root, then we have to set the class manually.
    if ($data['link']['href'] == $router_item['tab_root_href'] && $data['link']['href'] != $_GET['q']) {
      $data['link']['localized_options']['attributes']['class'][] = 'active';
    }

    // Allow menu-specific theme overrides.
    $element['#theme'] = 'site_map_menu_link__' . strtr($data['link']['menu_name'], '-', '_');
    $element['#attributes']['class'] = $class;
    $element['#title'] = $data['link']['title'];
    $element['#href'] = $data['link']['href'];
    $element['#title'] = $data['link']['title'];

    if ($config->get('show_node_titles') == 1) {
      if (strpos($element['#href'], 'node/') !== FALSE) {
        $url = $element['#href'];
        $nid = basename($url);
        $node = node_load($nid);

        if (isset($node->title)) {
          $element['#title'] = $node->title;
        }
      }
    }

    $element['#localized_options'] = !empty($data['link']['localized_options']) ? $data['link']['localized_options'] : array();
    $element['#below'] = $data['below'] ? _site_map_menu_tree_output($data['below']) : $data['below'];
    $element['#original_link'] = $data['link'];
    // Index using the link's unique mlid.
    $build[$data['link']['mlid']] = $element;
  }
  if ($build) {
    // Make sure backdrop_render() does not re-order the links.
    $build['#sorted'] = TRUE;
    // Add the theme wrapper for outer markup.
    // Allow menu-specific theme overrides.
    $build['#theme_wrappers'][] = 'site_map_menu_tree__' . strtr($data['link']['menu_name'], '-', '_');
  }

  return $build;
}

/**
 * Sets options based on admin input parameters for redering.
 *
 * @param array $options
 *   The array of options to the site map theme.
 * @param string $option_string
 *   The string index given from the admin form to match.
 * @param int $get_param
 *   Parameter number.
 * @param int $equal_param
 *   Result of param test, 0 or 1.
 * @param string $set_string
 *   Index of option to set, or the option name.
 * @param bool $set_value
 *   The option, on or off, or strings or ints for other options.
 */
function _site_map_set_option(&$options, $option_string, $get_param, $equal_param, $set_string, $set_value) {
  if (config_get('site_map.settings', $option_string, $get_param) == $equal_param) {
    $options[$set_string] = $set_value;
  }
}