modules/field_spotter/field_spotter.module

<?php

// Capture alter hooks of various types.
foreach (array(
    'form' => array('a', 'form', 1),
//    'node' => array('object->content', 'node->content'), // not in core yet
    'profile' => array('b->content', 'account->content', 2)
  ) as $type => $array) {
  list($var, $parent, $n) = $array;
  $args = array();
  for ($i = 0; $i < $n; ++$i) { $args[] = '&$'. chr(ord('a') + $i); }
  eval("function field_spotter_{$type}_alter(". implode(', ', $args) .") { _field_spotter_alter('$type', '$parent', \$$var); }");
}

/**
 * Alter everything hook for Form API-like structures.
 */
function _field_spotter_alter($type, $parent, &$array) {
  field_spotter_recurse($array, $parent);
  
  drupal_add_js(drupal_get_path('module', 'field_spotter') .'/field_spotter.js');
  drupal_add_css(drupal_get_path('module', 'field_spotter') .'/field_spotter.css');
}

/**
 * Add wrappers to each element in the array recursively.
 */
function field_spotter_recurse(&$array, $parent = '') {
  static $ignore;
  if (!isset($ignore)) {
    $ignore = drupal_map_assoc(array('hidden'));
  }
  foreach (element_children($array) as $key) {
    $item = &$array[$key];
    if (isset($item['#type']) && isset($ignore[$item['#type']])) continue;
    $id = $parent ? $parent .'[\''. addslashes($key) .'\']' : $key;
    $prefix = '<span class="field-spotter" formkey="'. check_plain($id) .'">';
    $suffix = '</span>';
    $item['#prefix'] = isset($item['#prefix']) ? $prefix . $item['#prefix'] : $prefix;
    $item['#suffix'] = isset($item['#suffix']) ? $item['#suffix'] . $suffix : $suffix;
    field_spotter_recurse($item, $id);
  }
}
1	<?php
2
3	// Capture alter hooks of various types.
4	foreach (array(
5	'form' => array('a', 'form', 1),
6	// 'node' => array('object->content', 'node->content'), // not in core yet
7	'profile' => array('b->content', 'account->content', 2)
8	) as $type => $array) {
9	list($var, $parent, $n) = $array;
10	$args = array();
11	for ($i = 0; $i < $n; ++$i) { $args[] = '&$'. chr(ord('a') + $i); }
12	eval("function field_spotter_{$type}_alter(". implode(', ', $args) .") { _field_spotter_alter('$type', '$parent', \$$var); }");
13	}
14
15	/**
16	* Alter everything hook for Form API-like structures.
17	*/
18	function _field_spotter_alter($type, $parent, &$array) {
19	field_spotter_recurse($array, $parent);
20
21	drupal_add_js(drupal_get_path('module', 'field_spotter') .'/field_spotter.js');
22	drupal_add_css(drupal_get_path('module', 'field_spotter') .'/field_spotter.css');
23	}
24
25	/**
26	* Add wrappers to each element in the array recursively.
27	*/
28	function field_spotter_recurse(&$array, $parent = '') {
29	static $ignore;
30	if (!isset($ignore)) {
31	$ignore = drupal_map_assoc(array('hidden'));
32	}
33	foreach (element_children($array) as $key) {
34	$item = &$array[$key];
35	if (isset($item['#type']) && isset($ignore[$item['#type']])) continue;
36	$id = $parent ? $parent .'[\''. addslashes($key) .'\']' : $key;
37	$prefix = '<span class="field-spotter" formkey="'. check_plain($id) .'">';
38	$suffix = '</span>';
39	$item['#prefix'] = isset($item['#prefix']) ? $prefix . $item['#prefix'] : $prefix;
40	$item['#suffix'] = isset($item['#suffix']) ? $item['#suffix'] . $suffix : $suffix;
41	field_spotter_recurse($item, $id);
42	}
43	}