1: <?php
2:
3: 4: 5: 6: 7:
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:
15:
16:
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:
47:
48:
49: if ($var == '') return array();
50: if (strpos($var, "\n") === false && strpos($var, "\r") === false) {
51:
52:
53: $var = explode(',',$var);
54: } else {
55: $var = preg_split('/(,|[\n\r]+)/', $var);
56: }
57:
58: foreach ($var as $i => $j) $var[$i] = trim($j);
59: if ($type === self::HASH) {
60:
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:
104: