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<?php
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/**
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* Implements hook_filter_info().
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*
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* Adds the Token filter to the textx format options.
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*/
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function token_filter_filter_info() {
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$filters['filter_tokens'] = array(
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'title' => t('Replace tokens'),
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'description' => t('The usage of this filter should be restricted to trusted users only as tokens with sensitive data could be exposed.'),
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'process callback' => '_token_filter_filter_tokens',
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'tips callback' => '_token_filter_filter_tips',
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'cache' => FALSE,
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);
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return $filters;
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}
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/**
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* Filter process callback for the token input filter.
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*/
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function _token_filter_filter_tokens($text, $filter, $format, $langcode, $cache, $cache_id) {
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$data = array();
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$options = array();
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// Attempt to fetch the entity that is being viewed via a backtrace to the
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// field_attach_view($entity_type, $entity) function and parameters ?if found.
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$backtrace = debug_backtrace();
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foreach ($backtrace as $caller) {
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if ($caller['function'] == 'field_attach_view') {
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$entity_type = $caller['args'][0];
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$entity = $caller['args'][1];
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$token_type = token_get_entity_mapping('entity', $entity_type);
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$data[$token_type] = $entity;
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// Use the proper language code that field_attach_view was called with.
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if ($langcode = $caller['args'][3]) {
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$language_list = language_list();
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if (!empty($language_list[$langcode])) {
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$options['language'] = $language_list[$langcode];
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}
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}
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break;
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}
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elseif ($caller['function'] == '_drupal_bootstrap_full' || $caller == 'menu_execute_active_handler') {
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// There is no point in going back this far, so just stop.
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break;
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}
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}
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return token_replace($text, $data, $options);
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}
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/**
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* Filter tip callback for the token input filter.
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*/
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function _token_filter_filter_tips($filter, $format, $long = FALSE) {
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if ($long) {
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$output = t('Global tokens will be replaced with their respective token values (e.g. [site:name] or [current-page:title]). The following is a list of the tokens that are available:');
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$output .= theme('token_tree', array('click_insert' => FALSE));
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return $output;
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}
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else {
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return t('Global tokens will be replaced with their respective token values (e.g. [site:name] or [current-page:title]).');
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}
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}
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