rest_server.views.inc in Services 6.3

Provide formatter class for all standard response formats.

File

servers/rest_server/includes/rest_server.views.inc

<?php

/**
 * @file
 * Provide formatter class for all standard response formats.
 */

/**
 * Base class for all response format views.
 */
abstract class RESTServerView {
  protected $model;
  protected $arguments;
  function __construct($model, $arguments = array()) {
    $this->model = $model;
    $this->arguments = $arguments;
  }
  public abstract function render();

}
class RESTServerViewBuiltIn extends RESTServerView {
  public function render() {
    switch ($this->arguments['format']) {
      case 'json':
        return $this
          ->render_json($this->model);
      case 'jsonp':
        return $this
          ->render_json($this->model, TRUE);
      case 'php':
        return $this
          ->render_php($this->model);
      case 'xml':
        return $this
          ->render_xml($this->model);
      case 'yaml':
        return $this
          ->render_yaml($this->model);
      case 'bencode':
        return $this
          ->render_bencode($this->model);
    }
    return '';
  }
  private function render_json($data, $jsonp = FALSE) {

    // json_encode doesn't give valid json with data that isn't an array/object.
    if (!is_array($data) && !is_object($data)) {
      $data = array(
        $data,
      );
    }
    $json = str_replace('\\/', '/', json_encode($data));
    if ($jsonp && isset($_GET['callback'])) {
      return sprintf('%s(%s);', $_GET['callback'], $json);
    }
    return $json;
  }
  private function render_php($data) {
    return serialize($data);
  }
  private function render_yaml($data) {
    include_once _rest_server_get_spyc_location();
    return Spyc::YAMLDump($data, 4, 60);
  }
  private function render_bencode($data) {
    module_load_include('php', 'rest_server', 'lib/bencode');
    return bencode($data);
  }
  private function render_xml($data) {
    $doc = new DOMDocument('1.0', 'utf-8');
    $root = $doc
      ->createElement('result');
    $doc
      ->appendChild($root);
    $this
      ->xml_recurse($doc, $root, $data);
    return $doc
      ->saveXML();
  }
  private function xml_recurse(&$doc, &$parent, $data) {
    if (is_object($data)) {
      $data = get_object_vars($data);
    }
    if (is_array($data)) {
      $assoc = FALSE || empty($data);
      foreach ($data as $key => $value) {
        if (is_numeric($key)) {
          $key = 'item';
        }
        else {
          $assoc = TRUE;
          $key = preg_replace('/[^A-Za-z0-9_]/', '_', $key);
          $key = preg_replace('/^([0-9]+)/', '_$1', $key);
        }
        $element = $doc
          ->createElement($key);
        $parent
          ->appendChild($element);
        $this
          ->xml_recurse($doc, $element, $value);
      }
      if (!$assoc) {
        $parent
          ->setAttribute('is_array', 'true');
      }
    }
    elseif ($data !== NULL) {
      $parent
        ->appendChild($doc
        ->createTextNode($data));
    }
  }

}

Classes

Name	Description
RESTServerView	Base class for all response format views.
RESTServerViewBuiltIn