function coffee_result_handler in Coffee 6

Same name and namespace in other branches

1. 7 coffee.module \coffee_result_handler()

Handler for Coffee

The coffee_result_handler will process the input, look for matches and returns a json encoded result that is used in the javascript to display the results.

Parameters

string $input: String is used to build the query.

Return value

string JSON encoded output with results based on the input.

1 string reference to 'coffee_result_handler'

coffee_menu in ./coffee.module

Implements hook_menu().

File

./coffee.module, line 48

Coffee primary module file

Code

function coffee_result_handler($input = FALSE) {
  if (empty($input)) {
    return;
  }

  // Include the default hooks for Coffee.
  module_load_include('inc', 'coffee', 'coffee.hooks');

  // Based on the first char Coffee should handle a function callback.
  // Or it should handle the basic functionality (redirecting to paths).
  $command_trigger = ':';
  $result = array();

  // Invoke all implementations of hook_coffee_command() on command_trigger.
  if (strstr(urldecode($input), $command_trigger)) {

    // Execute command, invode hook_coffee.
    foreach (module_implements('coffee_command') as $module) {
      $op = str_ireplace($command_trigger, '', $input);
      $result += (array) module_invoke($module, 'coffee_command', $op);
    }
  }
  else {

    // Fire the default implementation of Coffee.
    $result = coffee_redirect($input);
  }
  if (!empty($result)) {

    // Return should be in json format so the JavaScript can handle it.
    return drupal_json($result);
  }
  drupal_exit();
}