XOOPS 2.5.6  Final
 All Classes Namespaces Files Functions Variables Pages
Flexible.php
Go to the documentation of this file.
1 <?php
2 
8 class HTMLPurifier_VarParser_Flexible extends HTMLPurifier_VarParser
9 {
10 
11  protected function parseImplementation($var, $type, $allow_null) {
12  if ($allow_null && $var === null) return null;
13  switch ($type) {
14  // Note: if code "breaks" from the switch, it triggers a generic
15  // exception to be thrown. Specific errors can be specifically
16  // done here.
17  case self::MIXED :
18  case self::ISTRING :
19  case self::STRING :
20  case self::TEXT :
21  case self::ITEXT :
22  return $var;
23  case self::INT :
24  if (is_string($var) && ctype_digit($var)) $var = (int) $var;
25  return $var;
26  case self::FLOAT :
27  if ((is_string($var) && is_numeric($var)) || is_int($var)) $var = (float) $var;
28  return $var;
29  case self::BOOL :
30  if (is_int($var) && ($var === 0 || $var === 1)) {
31  $var = (bool) $var;
32  } elseif (is_string($var)) {
33  if ($var == 'on' || $var == 'true' || $var == '1') {
34  $var = true;
35  } elseif ($var == 'off' || $var == 'false' || $var == '0') {
36  $var = false;
37  } else {
38  throw new HTMLPurifier_VarParserException("Unrecognized value '$var' for $type");
39  }
40  }
41  return $var;
42  case self::ALIST :
43  case self::HASH :
44  case self::LOOKUP :
45  if (is_string($var)) {
46  // special case: technically, this is an array with
47  // a single empty string item, but having an empty
48  // array is more intuitive
49  if ($var == '') return array();
50  if (strpos($var, "\n") === false && strpos($var, "\r") === false) {
51  // simplistic string to array method that only works
52  // for simple lists of tag names or alphanumeric characters
53  $var = explode(',',$var);
54  } else {
55  $var = preg_split('/(,|[\n\r]+)/', $var);
56  }
57  // remove spaces
58  foreach ($var as $i => $j) $var[$i] = trim($j);
59  if ($type === self::HASH) {
60  // key:value,key2:value2
61  $nvar = array();
62  foreach ($var as $keypair) {
63  $c = explode(':', $keypair, 2);
64  if (!isset($c[1])) continue;
65  $nvar[trim($c[0])] = trim($c[1]);
66  }
67  $var = $nvar;
68  }
69  }
70  if (!is_array($var)) break;
71  $keys = array_keys($var);
72  if ($keys === array_keys($keys)) {
73  if ($type == self::ALIST) return $var;
74  elseif ($type == self::LOOKUP) {
75  $new = array();
76  foreach ($var as $key) {
77  $new[$key] = true;
78  }
79  return $new;
80  } else break;
81  }
82  if ($type === self::ALIST) {
83  trigger_error("Array list did not have consecutive integer indexes", E_USER_WARNING);
84  return array_values($var);
85  }
86  if ($type === self::LOOKUP) {
87  foreach ($var as $key => $value) {
88  if ($value !== true) {
89  trigger_error("Lookup array has non-true value at key '$key'; maybe your input array was not indexed numerically", E_USER_WARNING);
90  }
91  $var[$key] = true;
92  }
93  }
94  return $var;
95  default:
96  $this->errorInconsistent(__CLASS__, $type);
97  }
98  $this->errorGeneric($var, $type);
99  }
100 
101 }
102 
103 // vim: et sw=4 sts=4