function node_tokens

Implements hook_tokens().

File

modules/node/node.tokens.inc, line 92

Code

function node_tokens($type, $tokens, array $data = array(), array $options = array()) {
    $url_options = array(
        'absolute' => TRUE,
    );
    if (isset($options['language'])) {
        $url_options['language'] = $options['language'];
        $language_code = $options['language']->language;
    }
    else {
        $language_code = NULL;
    }
    $sanitize = !empty($options['sanitize']);
    $replacements = array();
    if ($type == 'node' && !empty($data['node'])) {
        $node = $data['node'];
        foreach ($tokens as $name => $original) {
            switch ($name) {
                // Simple key values on the node.
                case 'nid':
                    $replacements[$original] = isset($node->nid) ? $node->nid : '';
                    break;
                case 'vid':
                    $replacements[$original] = $node->vid;
                    break;
                case 'tnid':
                    $replacements[$original] = $node->tnid;
                    break;
                case 'type':
                    $replacements[$original] = $sanitize ? check_plain($node->type) : $node->type;
                    break;
                case 'type-name':
                    $type_name = node_type_get_name($node);
                    $replacements[$original] = $sanitize ? check_plain($type_name) : $type_name;
                    break;
                case 'title':
                    $replacements[$original] = $sanitize ? check_plain($node->title) : $node->title;
                    break;
                case 'body':
                case 'summary':
                    if ($items = field_get_items('node', $node, 'body', $language_code)) {
                        $instance = field_info_instance('node', 'body', $node->type);
                        $field_langcode = field_language('node', $node, 'body', $language_code);
                        // If the summary was requested and is not empty, use it.
                        if ($name == 'summary' && !empty($items[0]['summary'])) {
                            $output = $sanitize ? _text_sanitize($instance, $field_langcode, $items[0], 'summary') : $items[0]['summary'];
                        }
                        else {
                            $output = $sanitize ? _text_sanitize($instance, $field_langcode, $items[0], 'value') : $items[0]['value'];
                            // A summary was requested.
                            if ($name == 'summary') {
                                if (isset($instance['display']['teaser']['settings']['trim_length'])) {
                                    $trim_length = $instance['display']['teaser']['settings']['trim_length'];
                                }
                                else {
                                    // Use default value.
                                    $trim_length = NULL;
                                }
                                // Generate an optionally trimmed summary of the body field.
                                $output = text_summary($output, $instance['settings']['text_processing'] ? $items[0]['format'] : NULL, $trim_length);
                            }
                        }
                        $replacements[$original] = $output;
                    }
                    break;
                case 'language':
                    $langcode = entity_language('node', $node);
                    $replacements[$original] = $sanitize ? check_plain($langcode) : $langcode;
                    break;
                case 'url':
                    $replacements[$original] = isset($node->nid) ? url('node/' . $node->nid, $url_options) : '';
                    break;
                case 'edit-url':
                    $replacements[$original] = isset($node->nid) ? url('node/' . $node->nid . '/edit', $url_options) : '';
                    break;
                // Default values for the chained tokens handled below.
                case 'author':
                    $account = user_load($node->uid);
                    $name = format_username($account);
                    $replacements[$original] = $sanitize ? check_plain($name) : $name;
                    break;
                case 'created':
                    $replacements[$original] = format_date($node->created, 'medium', '', NULL, $language_code);
                    break;
                case 'changed':
                    $replacements[$original] = format_date($node->changed, 'medium', '', NULL, $language_code);
                    break;
            }
        }
        if ($author_tokens = token_find_with_prefix($tokens, 'author')) {
            $author = user_load($node->uid);
            $replacements += token_generate('user', $author_tokens, array(
                'user' => $author,
            ), $options);
        }
        if ($created_tokens = token_find_with_prefix($tokens, 'created')) {
            $replacements += token_generate('date', $created_tokens, array(
                'date' => $node->created,
            ), $options);
        }
        if ($changed_tokens = token_find_with_prefix($tokens, 'changed')) {
            $replacements += token_generate('date', $changed_tokens, array(
                'date' => $node->changed,
            ), $options);
        }
    }
    return $replacements;
}