* This backend library also supports POST requests additionally to GET.
*
* @author Dmitry Koterov
- * @version 5.x $Id$
+ * @version 5.x
*/
class JsHttpRequest
* If an object is created WITHOUT an active AJAX query, it is simply marked as
* non-active. Use statuc method isActive() to check.
*/
- function JsHttpRequest($enc)
+ function __construct($enc)
{
global $JsHttpRequest_Active;
$GLOBALS['_RESULT'] =& $this->RESULT;
// Parse QUERY_STRING.
- if (preg_match('/^(.*)(?:&|^)JsHttpRequest=(?:(\d+)-)?([^&]+)((?:&|$).*)$/s', @$_SERVER['QUERY_STRING'], $m)) {
+ if (array_key_exists('QUERY_STRING', $_SERVER) && preg_match('/^(.*)(?:&|^)JsHttpRequest=(?:(\d+)-)?([^&]+)((?:&|$).*)$/s', @$_SERVER['QUERY_STRING'], $m)) {
$this->ID = $m[2];
$this->LOADER = strtolower($m[3]);
$_SERVER['QUERY_STRING'] = preg_replace('/^&+|&+$/s', '', preg_replace('/(^|&)'.session_name().'=[^&]*&?/s', '&', $m[1] . $m[4]));
ini_set('display_errors', $this->_magic); //
ini_set('error_prepend_string', $this->_uniqHash . ini_get('error_prepend_string'));
ini_set('error_append_string', ini_get('error_append_string') . $this->_uniqHash);
+ if (function_exists('xdebug_disable')) xdebug_disable(); // else Fatal errors are not catched
// Start OB handling early.
ob_start(array(&$this, "_obHandler"));
if ($this->SCRIPT_DECODE_MODE == 'entities')
return str_replace(array('"', '<', '>'), array('"', '<', '>'), $s);
else
- return htmlspecialchars($s);
+ return html_specials_encode($s);
}
$result = array();
if ($isList) {
foreach ($a as $v) {
- $result[] = JsHttpRequest::php2js($v);
+ $result[] = $this->php2js($v);
}
return '[ ' . join(', ', $result) . ' ]';
} else {
foreach ($a as $k => $v) {
- $result[] = JsHttpRequest::php2js($k) . ': ' . JsHttpRequest::php2js($v);
+ $result[] = $this->php2js($k) . ': ' . $this->php2js($v);
}
return '{ ' . join(', ', $result) . ' }';
}
unset($GLOBALS['JsHttpRequest_Active']);
// Check for error & fetch a resulting data.
- if (preg_match("/{$this->_uniqHash}(.*?){$this->_uniqHash}/sx", $text, $m)) {
- if (!ini_get('display_errors') || (!$this->_prevDisplayErrors && ini_get('display_errors') == $this->_magic)) {
- // Display_errors:
- // 1. disabled manually after the library initialization, or
- // 2. was initially disabled and is not changed
- $text = str_replace($m[0], '', $text); // strip whole error message
- } else {
- $text = str_replace($this->_uniqHash, '', $text);
+ $wasFatalError = false;
+ if (preg_match_all("/{$this->_uniqHash}(.*?){$this->_uniqHash}/sx", $text, $m)) {
+ // Display_errors:
+ // 1. disabled manually after the library initialization, or
+ // 2. was initially disabled and is not changed
+ $needRemoveErrorMessages = !ini_get('display_errors') || (!$this->_prevDisplayErrors && ini_get('display_errors') == $this->_magic);
+ foreach ($m[0] as $error) {
+ if (preg_match('/\bFatal error(<.*?>)?:/i', $error)) {
+ $wasFatalError = true;
+ }
+ if ($needRemoveErrorMessages) {
+ $text = str_replace($error, '', $text); // strip the whole error message
+ } else {
+ $text = str_replace($this->_uniqHash, '', $text);
+ }
}
}
- if ($m && preg_match('/\bFatal error(<.*?>)?:/i', $m[1])) {
- // On fatal errors - force null result (generate 500 error).
+ if ($wasFatalError) {
+ // On fatal errors - force "null" result. This is needed, because $_RESULT
+ // may not be fully completed at the moment of the error.
$this->RESULT = null;
} else {
- // Make a resulting hash.
+ // Read the result from globals if not set directly.
if (!isset($this->RESULT)) {
global $_RESULT;
$this->RESULT = $_RESULT;
}
+ // Avoid manual NULLs in the result (very important!).
+ if ($this->RESULT === null) {
+ $this->RESULT = false;
+ }
}
+ // Note that 500 error is generated when a PHP error occurred.
+ $status = $this->RESULT === null? 500 : 200;
$result = array(
'id' => $this->ID,
- 'js' => $this->RESULT,
- 'text' => $text,
+ 'js' => $this->RESULT, // null always means a fatal error...
+ 'text' => $text, // ...independent on $text!!!
);
- $text = null;
$encoding = $this->SCRIPT_ENCODING;
- $status = $this->RESULT !== null? 200 : 500;
-
+ $text = null; // to be on a safe side
+
// Try to use very fast json_encode: 3-4 times faster than a manual encoding.
if (function_exists('array_walk_recursive') && function_exists('json_encode') && $this->_unicodeConvMethod) {
$this->_nonAsciiChars = join("", array_map('chr', range(128, 255)));
/**
- * If there is no ICONV, try to decode 1-byte characters manually
+ * If there is no ICONV, try to decode 1-byte characters and UTF-8 manually
* (for most popular charsets only).
*/
*/
function _decUcs2Decode($code, $toEnc)
{
+ // Little speedup by using array_flip($this->_encTables) and later hash access.
+ static $flippedTable = null;
if ($code < 128) return chr($code);
+
if (isset($this->_encTables[$toEnc])) {
- // TODO: possible speedup by using array_flip($this->_encTables) and later hash access in the constructor.
- $p = array_search($code, $this->_encTables[$toEnc]);
- if ($p !== false) return chr(128 + $p);
+ if (!$flippedTable) $flippedTable = array_flip($this->_encTables[$toEnc]);
+ if (isset($flippedTable[$code])) return chr(128 + $flippedTable[$code]);
+ } else if ($toEnc == 'utf-8' || $toEnc == 'utf8') {
+ // UTF-8 conversion rules: http://www.cl.cam.ac.uk/~mgk25/unicode.html
+ if ($code < 0x800) {
+ return chr(0xC0 + ($code >> 6)) .
+ chr(0x80 + ($code & 0x3F));
+ } else { // if ($code <= 0xFFFF) -- it is almost always so for UCS2-BE
+ return chr(0xE0 + ($code >> 12)) .
+ chr(0x80 + (0x3F & ($code >> 6))) .
+ chr(0x80 + ($code & 0x3F));
+ }
}
+
return "";
}
projects / fa-stable.git / blobdiff