<?php
|
|
/**
|
JSON 绫
|
* ===========================================================
|
* * 鐗堟潈鎵€鏈 2005-2012 涓婃捣鍟嗘淳缃戠粶绉戞妧鏈夐檺鍏?徃锛屽苟淇濈暀鎵€鏈夋潈鍒┿€
|
* 缃戠珯鍦板潃: 锛
|
* ----------------------------------------------------------
|
* 杩欎笉鏄?竴涓?嚜鐢辫蒋浠讹紒鎮ㄥ彧鑳藉湪涓嶇敤浜庡晢涓氱洰鐨勭殑鍓嶆彁涓嬪?绋嬪簭浠ｇ爜杩涜?淇?敼鍜
|
* 浣跨敤锛涗笉鍏佽?瀵圭▼搴忎唬鐮佷互浠讳綍褰㈠紡浠讳綍鐩?殑鐨勫啀鍙戝竷銆
|
* ==========================================================
|
|
* $Id: cls_json.php 17217 2011-01-19 06:29:08Z $
|
*/
|
|
if (!defined('IN_ECS'))
|
{
|
die('Hacking attempt');
|
}
|
|
if (!defined('EC_CHARSET'))
|
{
|
define('EC_CHARSET', 'utf-8');
|
}
|
|
class JSON
|
{
|
var $at = 0;
|
var $ch = '';
|
var $text = '';
|
|
function encode($arg, $force = true)
|
{
|
static $_force;
|
if (is_null($_force))
|
{
|
$_force = $force;
|
}
|
|
if ($_force && EC_CHARSET == 'utf-8' && function_exists('json_encode'))
|
{
|
return json_encode($arg);
|
}
|
|
$returnValue = '';
|
$c = '';
|
$i = '';
|
$l = '';
|
$s = '';
|
$v = '';
|
$numeric = true;
|
|
switch (gettype($arg))
|
{
|
case 'array':
|
foreach ($arg AS $i => $v)
|
{
|
if (!is_numeric($i))
|
{
|
$numeric = false;
|
break;
|
}
|
}
|
|
if ($numeric)
|
{
|
foreach ($arg AS $i => $v)
|
{
|
if (strlen($s) > 0)
|
{
|
$s .= ',';
|
}
|
$s .= $this->encode($arg[$i]);
|
}
|
|
$returnValue = '[' . $s . ']';
|
}
|
else
|
{
|
foreach ($arg AS $i => $v)
|
{
|
if (strlen($s) > 0)
|
{
|
$s .= ',';
|
}
|
$s .= $this->encode($i) . ':' . $this->encode($arg[$i]);
|
}
|
|
$returnValue = '{' . $s . '}';
|
}
|
break;
|
|
case 'object':
|
foreach (get_object_vars($arg) AS $i => $v)
|
{
|
$v = $this->encode($v);
|
|
if (strlen($s) > 0)
|
{
|
$s .= ',';
|
}
|
$s .= $this->encode($i) . ':' . $v;
|
}
|
|
$returnValue = '{' . $s . '}';
|
break;
|
|
case 'integer':
|
case 'double':
|
$returnValue = is_numeric($arg) ? (string) $arg : 'null';
|
break;
|
|
case 'string':
|
$returnValue = '"' . strtr($arg, array(
|
"\r" => '\\r', "\n" => '\\n', "\t" => '\\t', "\b" => '\\b',
|
"\f" => '\\f', '\\' => '\\\\', '"' => '\"',
|
"\x00" => '\u0000', "\x01" => '\u0001', "\x02" => '\u0002', "\x03" => '\u0003',
|
"\x04" => '\u0004', "\x05" => '\u0005', "\x06" => '\u0006', "\x07" => '\u0007',
|
"\x08" => '\b', "\x0b" => '\u000b', "\x0c" => '\f', "\x0e" => '\u000e',
|
"\x0f" => '\u000f', "\x10" => '\u0010', "\x11" => '\u0011', "\x12" => '\u0012',
|
"\x13" => '\u0013', "\x14" => '\u0014', "\x15" => '\u0015', "\x16" => '\u0016',
|
"\x17" => '\u0017', "\x18" => '\u0018', "\x19" => '\u0019', "\x1a" => '\u001a',
|
"\x1b" => '\u001b', "\x1c" => '\u001c', "\x1d" => '\u001d', "\x1e" => '\u001e',
|
"\x1f" => '\u001f'
|
)) . '"';
|
break;
|
|
case 'boolean':
|
$returnValue = $arg?'true':'false';
|
break;
|
|
default:
|
$returnValue = 'null';
|
}
|
|
return $returnValue;
|
}
|
|
function decode($text,$type=0) // 榛樿?type=0杩斿洖obj,type=1杩斿洖array
|
{
|
if (empty($text))
|
{
|
return '';
|
}
|
elseif (!is_string($text))
|
{
|
return false;
|
}
|
|
if (EC_CHARSET === 'utf-8' && function_exists('json_decode'))
|
{
|
return addslashes_deep_obj(json_decode(stripslashes($text),$type));
|
}
|
|
$this->at = 0;
|
$this->ch = '';
|
$this->text = strtr(stripslashes($text), array(
|
"\r" => '', "\n" => '', "\t" => '', "\b" => '',
|
"\x00" => '', "\x01" => '', "\x02" => '', "\x03" => '',
|
"\x04" => '', "\x05" => '', "\x06" => '', "\x07" => '',
|
"\x08" => '', "\x0b" => '', "\x0c" => '', "\x0e" => '',
|
"\x0f" => '', "\x10" => '', "\x11" => '', "\x12" => '',
|
"\x13" => '', "\x14" => '', "\x15" => '', "\x16" => '',
|
"\x17" => '', "\x18" => '', "\x19" => '', "\x1a" => '',
|
"\x1b" => '', "\x1c" => '', "\x1d" => '', "\x1e" => '',
|
"\x1f" => ''
|
));
|
|
$this->next();
|
$return = $this->val();
|
|
$result = empty($type) ? $return : $this->object_to_array($return);
|
|
return addslashes_deep_obj($result);
|
}
|
|
/**
|
* triggers a PHP_ERROR
|
*
|
* @access private
|
* @param string $m error message
|
*
|
* @return void
|
*/
|
function error($m)
|
{
|
echo($m . ' at offset ' . $this->at . ': ' . $this->text);
|
}
|
|
/**
|
* returns the next character of a JSON string
|
*
|
* @access private
|
*
|
* @return string
|
*/
|
function next()
|
{
|
$this->ch = !isset($this->text{$this->at}) ? '' : $this->text{$this->at};
|
$this->at++;
|
|
return $this->ch;
|
}
|
|
/**
|
* handles strings
|
*
|
* @access private
|
*
|
* @return void
|
*/
|
function str()
|
{
|
$i = '';
|
$s = '';
|
$t = '';
|
$u = '';
|
|
if ($this->ch == '"')
|
{
|
while ($this->next() !== null)
|
{
|
if ($this->ch == '"')
|
{
|
$this->next();
|
|
return $s;
|
}
|
elseif ($this->ch == '\\')
|
{
|
switch ($this->next())
|
{
|
case 'b':
|
$s .= '\b';
|
break;
|
|
case 'f':
|
$s .= '\f';
|
break;
|
|
case 'n':
|
$s .= '\n';
|
break;
|
|
case 'r':
|
$s .= '\r';
|
break;
|
|
case 't':
|
$s .= '\t';
|
break;
|
|
case 'u':
|
$u = 0;
|
|
for ($i = 0; $i < 4; $i++)
|
{
|
$t = (integer) sprintf('%01c', hexdec($this->next()));
|
|
if (!is_numeric($t))
|
{
|
break 2;
|
}
|
$u = $u * 16 + $t;
|
}
|
|
$s .= chr($u);
|
break;
|
case '\'':
|
$s .= '\'';
|
break;
|
default:
|
$s .= $this->ch;
|
}
|
}
|
else
|
{
|
$s .= $this->ch;
|
}
|
}
|
}
|
|
$this->error('Bad string');
|
}
|
|
/**
|
* handless arrays
|
*
|
* @access private
|
*
|
* @return void
|
*/
|
function arr()
|
{
|
$a = array();
|
|
if ($this->ch == '[')
|
{
|
$this->next();
|
|
if ($this->ch == ']')
|
{
|
$this->next();
|
|
return $a;
|
}
|
|
while (isset($this->ch))
|
{
|
array_push($a, $this->val());
|
|
if ($this->ch == ']')
|
{
|
$this->next();
|
|
return $a;
|
|
}
|
elseif ($this->ch != ',')
|
{
|
break;
|
}
|
|
$this->next();
|
|
}
|
|
$this->error('Bad array');
|
}
|
}
|
|
/**
|
* handles objects
|
*
|
* @access public
|
*
|
* @return void
|
*/
|
function obj()
|
{
|
$k = '';
|
$o = new StdClass();
|
|
if ($this->ch == '{')
|
{
|
$this->next();
|
|
if ($this->ch == '}')
|
{
|
$this->next();
|
|
return $o;
|
}
|
|
while ($this->ch)
|
{
|
$k = $this->str();
|
|
if ($this->ch != ':')
|
{
|
break;
|
}
|
|
$this->next();
|
$o->$k = $this->val();
|
|
if ($this->ch == '}')
|
{
|
$this->next();
|
|
return $o;
|
}
|
elseif ($this->ch != ',')
|
{
|
break;
|
}
|
|
$this->next();
|
}
|
}
|
|
$this->error('Bad object');
|
}
|
|
/**
|
* handles objects
|
*
|
* @access public
|
*
|
* @return void
|
*/
|
function assoc()
|
{
|
$k = '';
|
$a = array();
|
|
if ($this->ch == '<')
|
{
|
$this->next();
|
|
if ($this->ch == '>')
|
{
|
$this->next();
|
|
return $a;
|
}
|
|
while ($this->ch)
|
{
|
$k = $this->str();
|
|
if ($this->ch != ':')
|
{
|
break;
|
}
|
|
$this->next();
|
$a[$k] = $this->val();
|
|
if ($this->ch == '>')
|
{
|
$this->next();
|
|
return $a;
|
}
|
elseif ($this->ch != ',')
|
{
|
break;
|
}
|
|
$this->next();
|
}
|
}
|
|
$this->error('Bad associative array');
|
}
|
|
/**
|
* handles numbers
|
*
|
* @access private
|
*
|
* @return void
|
*/
|
function num()
|
{
|
$n = '';
|
$v = '';
|
|
if ($this->ch == '-')
|
{
|
$n = '-';
|
$this->next();
|
}
|
|
while ($this->ch >= '0' && $this->ch <= '9')
|
{
|
$n .= $this->ch;
|
$this->next();
|
}
|
|
if ($this->ch == '.')
|
{
|
$n .= '.';
|
|
while ($this->next() && $this->ch >= '0' && $this->ch <= '9')
|
{
|
$n .= $this->ch;
|
}
|
}
|
|
if ($this->ch == 'e' || $this->ch == 'E')
|
{
|
$n .= 'e';
|
$this->next();
|
|
if ($this->ch == '-' || $this->ch == '+')
|
{
|
$n .= $this->ch;
|
$this->next();
|
}
|
|
while ($this->ch >= '0' && $this->ch <= '9')
|
{
|
$n .= $this->ch;
|
$this->next();
|
}
|
}
|
|
$v += $n;
|
|
if (!is_numeric($v))
|
{
|
$this->error('Bad number');
|
}
|
else
|
{
|
return $v;
|
}
|
}
|
|
/**
|
* handles words
|
*
|
* @access private
|
*
|
* @return mixed
|
*/
|
function word()
|
{
|
switch ($this->ch)
|
{
|
case 't':
|
|
if ($this->next() == 'r' && $this->next() == 'u' && $this->next() == 'e')
|
{
|
$this->next();
|
|
return true;
|
}
|
break;
|
|
case 'f':
|
if ($this->next() == 'a' && $this->next() == 'l' && $this->next() == 's' && $this->next() == 'e')
|
{
|
$this->next();
|
|
return false;
|
}
|
break;
|
|
case 'n':
|
if ($this->next() == 'u' && $this->next() == 'l' && $this->next() == 'l')
|
{
|
$this->next();
|
|
return null;
|
}
|
break;
|
}
|
|
$this->error('Syntax error');
|
}
|
|
/**
|
* generic value handler
|
*
|
* @access private
|
*
|
* @return mixed
|
*/
|
function val()
|
{
|
switch ($this->ch)
|
{
|
case '{':
|
return $this->obj();
|
|
case '[':
|
return $this->arr();
|
|
case '<':
|
return $this->assoc();
|
|
case '"':
|
return $this->str();
|
|
case '-':
|
return $this->num();
|
|
default:
|
return ($this->ch >= '0' && $this->ch <= '9') ? $this->num() : $this->word();
|
}
|
}
|
|
/**
|
* Gets the properties of the given object recursion
|
*
|
* @access private
|
*
|
* @return array
|
*/
|
function object_to_array($obj)
|
{
|
$_arr = is_object($obj) ? get_object_vars($obj) : $obj;
|
foreach ($_arr as $key => $val)
|
{
|
$val = (is_array($val) || is_object($val)) ? $this->object_to_array($val) : $val;
|
$arr[$key] = $val;
|
}
|
return $arr;
|
}
|
}
|
|
?>
|
