remove autoload section in composer.json

[github/wallabag/wallabag.git] / inc / 3rdparty / htmlpurifier / HTMLPurifier / VarParser / Flexible.php

<?php\r
\r
/**\r
 * Performs safe variable parsing based on types which can be used by\r
 * users. This may not be able to represent all possible data inputs,\r
 * however.\r
 */\r
class HTMLPurifier_VarParser_Flexible extends HTMLPurifier_VarParser\r
{\r
    /**\r
     * @param mixed $var\r
     * @param int $type\r
     * @param bool $allow_null\r
     * @return array|bool|float|int|mixed|null|string\r
     * @throws HTMLPurifier_VarParserException\r
     */\r
    protected function parseImplementation($var, $type, $allow_null)\r
    {\r
        if ($allow_null && $var === null) {\r
            return null;\r
        }\r
        switch ($type) {\r
            // Note: if code "breaks" from the switch, it triggers a generic\r
            // exception to be thrown. Specific errors can be specifically\r
            // done here.\r
            case self::MIXED:\r
            case self::ISTRING:\r
            case self::STRING:\r
            case self::TEXT:\r
            case self::ITEXT:\r
                return $var;\r
            case self::INT:\r
                if (is_string($var) && ctype_digit($var)) {\r
                    $var = (int)$var;\r
                }\r
                return $var;\r
            case self::FLOAT:\r
                if ((is_string($var) && is_numeric($var)) || is_int($var)) {\r
                    $var = (float)$var;\r
                }\r
                return $var;\r
            case self::BOOL:\r
                if (is_int($var) && ($var === 0 || $var === 1)) {\r
                    $var = (bool)$var;\r
                } elseif (is_string($var)) {\r
                    if ($var == 'on' || $var == 'true' || $var == '1') {\r
                        $var = true;\r
                    } elseif ($var == 'off' || $var == 'false' || $var == '0') {\r
                        $var = false;\r
                    } else {\r
                        throw new HTMLPurifier_VarParserException("Unrecognized value '$var' for $type");\r
                    }\r
                }\r
                return $var;\r
            case self::ALIST:\r
            case self::HASH:\r
            case self::LOOKUP:\r
                if (is_string($var)) {\r
                    // special case: technically, this is an array with\r
                    // a single empty string item, but having an empty\r
                    // array is more intuitive\r
                    if ($var == '') {\r
                        return array();\r
                    }\r
                    if (strpos($var, "\n") === false && strpos($var, "\r") === false) {\r
                        // simplistic string to array method that only works\r
                        // for simple lists of tag names or alphanumeric characters\r
                        $var = explode(',', $var);\r
                    } else {\r
                        $var = preg_split('/(,|[\n\r]+)/', $var);\r
                    }\r
                    // remove spaces\r
                    foreach ($var as $i => $j) {\r
                        $var[$i] = trim($j);\r
                    }\r
                    if ($type === self::HASH) {\r
                        // key:value,key2:value2\r
                        $nvar = array();\r
                        foreach ($var as $keypair) {\r
                            $c = explode(':', $keypair, 2);\r
                            if (!isset($c[1])) {\r
                                continue;\r
                            }\r
                            $nvar[trim($c[0])] = trim($c[1]);\r
                        }\r
                        $var = $nvar;\r
                    }\r
                }\r
                if (!is_array($var)) {\r
                    break;\r
                }\r
                $keys = array_keys($var);\r
                if ($keys === array_keys($keys)) {\r
                    if ($type == self::ALIST) {\r
                        return $var;\r
                    } elseif ($type == self::LOOKUP) {\r
                        $new = array();\r
                        foreach ($var as $key) {\r
                            $new[$key] = true;\r
                        }\r
                        return $new;\r
                    } else {\r
                        break;\r
                    }\r
                }\r
                if ($type === self::ALIST) {\r
                    trigger_error("Array list did not have consecutive integer indexes", E_USER_WARNING);\r
                    return array_values($var);\r
                }\r
                if ($type === self::LOOKUP) {\r
                    foreach ($var as $key => $value) {\r
                        if ($value !== true) {\r
                            trigger_error(\r
                                "Lookup array has non-true value at key '$key'; " .\r
                                "maybe your input array was not indexed numerically",\r
                                E_USER_WARNING\r
                            );\r
                        }\r
                        $var[$key] = true;\r
                    }\r
                }\r
                return $var;\r
            default:\r
                $this->errorInconsistent(__CLASS__, $type);\r
        }\r
        $this->errorGeneric($var, $type);\r
    }\r
}\r
\r
// vim: et sw=4 sts=4\r