452 lines
12 KiB
PHP
452 lines
12 KiB
PHP
<?php
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if(!defined('IN_MOBILE_API') && !defined('IN_DISCUZ')) {
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exit('Access Denied');
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}
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class CJSON {
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const JSON_SLICE = 1;
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const JSON_IN_STR = 2;
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const JSON_IN_ARR = 4;
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const JSON_IN_OBJ = 8;
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const JSON_IN_CMT = 16;
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static function encode($var) {
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global $_G;
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switch (gettype($var)) {
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case 'boolean':
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return $var ? 'true' : 'false';
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case 'NULL':
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return 'null';
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case 'integer':
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return (int) $var;
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case 'double':
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case 'float':
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return rtrim(sprintf('%.16F',$var),'0');
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case 'string':
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if(function_exists('diconv') && strtolower($_G['charset']) != 'utf-8') {
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$var = diconv($var, $_G['charset'], 'utf-8');
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}
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if(function_exists('json_encode')) {
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return json_encode($var);
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}
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$ascii = '';
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$strlen_var = strlen($var);
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for ($c = 0; $c < $strlen_var; ++$c) {
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$ord_var_c = ord($var{$c});
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switch (true) {
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case $ord_var_c == 0x08:
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$ascii .= '\b';
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break;
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case $ord_var_c == 0x09:
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$ascii .= '\t';
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break;
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case $ord_var_c == 0x0A:
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$ascii .= '\n';
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break;
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case $ord_var_c == 0x0C:
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$ascii .= '\f';
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break;
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case $ord_var_c == 0x0D:
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$ascii .= '\r';
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break;
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case $ord_var_c == 0x22:
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case $ord_var_c == 0x2F:
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case $ord_var_c == 0x5C:
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$ascii .= '\\'.$var{$c};
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break;
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case (($ord_var_c >= 0x20) && ($ord_var_c <= 0x7F)):
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$ascii .= $var{$c};
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break;
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case (($ord_var_c & 0xE0) == 0xC0):
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$char = pack('C*', $ord_var_c, ord($var{$c+1}));
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$c+=1;
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$utf16 = self::utf8ToUTF16BE($char);
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$ascii .= sprintf('\u%04s', bin2hex($utf16));
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break;
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case (($ord_var_c & 0xF0) == 0xE0):
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$char = pack('C*', $ord_var_c,
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ord($var{$c+1}),
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ord($var{$c+2}));
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$c+=2;
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$utf16 = self::utf8ToUTF16BE($char);
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$ascii .= sprintf('\u%04s', bin2hex($utf16));
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break;
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case (($ord_var_c & 0xF8) == 0xF0):
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$char = pack('C*', $ord_var_c,
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ord($var{$c+1}),
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ord($var{$c+2}),
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ord($var{$c+3}));
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$c+=3;
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$utf16 = self::utf8ToUTF16BE($char);
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$ascii .= sprintf('\u%04s', bin2hex($utf16));
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break;
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case (($ord_var_c & 0xFC) == 0xF8):
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$char = pack('C*', $ord_var_c,
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ord($var{$c+1}),
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ord($var{$c+2}),
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ord($var{$c+3}),
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ord($var{$c+4}));
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$c+=4;
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$utf16 = self::utf8ToUTF16BE($char);
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$ascii .= sprintf('\u%04s', bin2hex($utf16));
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break;
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case (($ord_var_c & 0xFE) == 0xFC):
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$char = pack('C*', $ord_var_c,
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ord($var{$c+1}),
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ord($var{$c+2}),
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ord($var{$c+3}),
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ord($var{$c+4}),
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ord($var{$c+5}));
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$c+=5;
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$utf16 = self::utf8ToUTF16BE($char);
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$ascii .= sprintf('\u%04s', bin2hex($utf16));
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break;
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}
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}
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return '"'.$ascii.'"';
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case 'array':
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if (is_array($var) && count($var) && (array_keys($var) !== range(0, sizeof($var) - 1))) {
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return '{' .
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join(',', array_map(array('CJSON', 'nameValue'),
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array_keys($var),
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array_values($var)))
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. '}';
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}
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return '[' . join(',', array_map(array('CJSON', 'encode'), $var)) . ']';
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case 'object':
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if ($var instanceof Traversable)
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{
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$vars = array();
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foreach ($var as $k=>$v)
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$vars[$k] = $v;
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}
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else
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$vars = get_object_vars($var);
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return '{' .
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join(',', array_map(array('CJSON', 'nameValue'),
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array_keys($vars),
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array_values($vars)))
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. '}';
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default:
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return '';
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}
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}
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static function nameValue($name, $value) {
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return self::encode(strval($name)) . ':' . self::encode($value);
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}
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static function reduceString($str) {
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$str = preg_replace(array(
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'#^\s*//(.+)$#m',
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'#^\s*/\*(.+)\*/#Us',
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'#/\*(.+)\*/\s*$#Us'
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), '', $str);
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return trim($str);
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}
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static function decode($str, $useArray=true) {
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if(function_exists('json_decode')) {
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return json_decode($str, $useArray);
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}
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$str = self::reduceString($str);
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switch (strtolower($str)) {
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case 'true':
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return true;
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case 'false':
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return false;
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case 'null':
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return null;
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default:
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if (is_numeric($str)) {
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return ((float)$str == (integer)$str)
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? (integer)$str
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: (float)$str;
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} elseif (preg_match('/^("|\').+(\1)$/s', $str, $m) && $m[1] == $m[2]) {
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$delim = substr($str, 0, 1);
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$chrs = substr($str, 1, -1);
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$utf8 = '';
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$strlen_chrs = strlen($chrs);
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for ($c = 0; $c < $strlen_chrs; ++$c) {
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$substr_chrs_c_2 = substr($chrs, $c, 2);
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$ord_chrs_c = ord($chrs{$c});
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switch (true) {
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case $substr_chrs_c_2 == '\b':
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$utf8 .= chr(0x08);
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++$c;
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break;
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case $substr_chrs_c_2 == '\t':
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$utf8 .= chr(0x09);
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++$c;
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break;
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case $substr_chrs_c_2 == '\n':
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$utf8 .= chr(0x0A);
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++$c;
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break;
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case $substr_chrs_c_2 == '\f':
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$utf8 .= chr(0x0C);
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++$c;
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break;
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case $substr_chrs_c_2 == '\r':
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$utf8 .= chr(0x0D);
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++$c;
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break;
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case $substr_chrs_c_2 == '\\"':
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case $substr_chrs_c_2 == '\\\'':
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case $substr_chrs_c_2 == '\\\\':
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case $substr_chrs_c_2 == '\\/':
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if (($delim == '"' && $substr_chrs_c_2 != '\\\'') ||
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($delim == "'" && $substr_chrs_c_2 != '\\"')) {
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$utf8 .= $chrs{++$c};
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}
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break;
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case preg_match('/\\\u[0-9A-F]{4}/i', substr($chrs, $c, 6)):
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$utf16 = chr(hexdec(substr($chrs, ($c+2), 2)))
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. chr(hexdec(substr($chrs, ($c+4), 2)));
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$utf8 .= self::utf16beToUTF8($utf16);
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$c+=5;
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break;
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case ($ord_chrs_c >= 0x20) && ($ord_chrs_c <= 0x7F):
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$utf8 .= $chrs{$c};
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break;
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case ($ord_chrs_c & 0xE0) == 0xC0:
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$utf8 .= substr($chrs, $c, 2);
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++$c;
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break;
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case ($ord_chrs_c & 0xF0) == 0xE0:
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$utf8 .= substr($chrs, $c, 3);
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$c += 2;
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break;
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case ($ord_chrs_c & 0xF8) == 0xF0:
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$utf8 .= substr($chrs, $c, 4);
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$c += 3;
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break;
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case ($ord_chrs_c & 0xFC) == 0xF8:
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$utf8 .= substr($chrs, $c, 5);
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$c += 4;
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break;
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case ($ord_chrs_c & 0xFE) == 0xFC:
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$utf8 .= substr($chrs, $c, 6);
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$c += 5;
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break;
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}
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}
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return $utf8;
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} elseif (preg_match('/^\[.*\]$/s', $str) || preg_match('/^\{.*\}$/s', $str)) {
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if ($str{0} == '[') {
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$stk = array(self::JSON_IN_ARR);
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$arr = array();
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} else {
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if ($useArray) {
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$stk = array(self::JSON_IN_OBJ);
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$obj = array();
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} else {
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$stk = array(self::JSON_IN_OBJ);
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$obj = new stdClass();
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}
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}
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array_push($stk, array('what' => self::JSON_SLICE,
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'where' => 0,
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'delim' => false));
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$chrs = substr($str, 1, -1);
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$chrs = self::reduceString($chrs);
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if ($chrs == '') {
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if (reset($stk) == self::JSON_IN_ARR) {
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return $arr;
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} else {
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return $obj;
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}
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}
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$strlen_chrs = strlen($chrs);
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for ($c = 0; $c <= $strlen_chrs; ++$c) {
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$top = end($stk);
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$substr_chrs_c_2 = substr($chrs, $c, 2);
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if (($c == $strlen_chrs) || (($chrs{$c} == ',') && ($top['what'] == self::JSON_SLICE))) {
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$slice = substr($chrs, $top['where'], ($c - $top['where']));
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array_push($stk, array('what' => self::JSON_SLICE, 'where' => ($c + 1), 'delim' => false));
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if (reset($stk) == self::JSON_IN_ARR) {
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array_push($arr, self::decode($slice,$useArray));
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} elseif (reset($stk) == self::JSON_IN_OBJ) {
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if (preg_match('/^\s*(["\'].*[^\\\]["\'])\s*:\s*(\S.*),?$/Uis', $slice, $parts)) {
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$key = self::decode($parts[1],$useArray);
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$val = self::decode($parts[2],$useArray);
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if ($useArray) {
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$obj[$key] = $val;
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} else {
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$obj->$key = $val;
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}
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} elseif (preg_match('/^\s*(\w+)\s*:\s*(\S.*),?$/Uis', $slice, $parts)) {
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$key = $parts[1];
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$val = self::decode($parts[2],$useArray);
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if ($useArray) {
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$obj[$key] = $val;
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} else {
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$obj->$key = $val;
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}
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}
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}
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} elseif ((($chrs{$c} == '"') || ($chrs{$c} == "'")) && ($top['what'] != self::JSON_IN_STR)) {
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array_push($stk, array('what' => self::JSON_IN_STR, 'where' => $c, 'delim' => $chrs{$c}));
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} elseif (($chrs{$c} == $top['delim']) &&
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($top['what'] == self::JSON_IN_STR) &&
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(($chrs{$c - 1} != "\\") ||
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($chrs{$c - 1} == "\\" && $chrs{$c - 2} == "\\"))) {
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array_pop($stk);
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} elseif (($chrs{$c} == '[') &&
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in_array($top['what'], array(self::JSON_SLICE, self::JSON_IN_ARR, self::JSON_IN_OBJ))) {
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array_push($stk, array('what' => self::JSON_IN_ARR, 'where' => $c, 'delim' => false));
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} elseif (($chrs{$c} == ']') && ($top['what'] == self::JSON_IN_ARR)) {
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array_pop($stk);
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} elseif (($chrs{$c} == '{') &&
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in_array($top['what'], array(self::JSON_SLICE, self::JSON_IN_ARR, self::JSON_IN_OBJ))) {
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array_push($stk, array('what' => self::JSON_IN_OBJ, 'where' => $c, 'delim' => false));
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} elseif (($chrs{$c} == '}') && ($top['what'] == self::JSON_IN_OBJ)) {
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array_pop($stk);
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} elseif (($substr_chrs_c_2 == '/**') &&
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in_array($top['what'], array(self::JSON_SLICE, self::JSON_IN_ARR, self::JSON_IN_OBJ))) {
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array_push($stk, array('what' => self::JSON_IN_CMT, 'where' => $c, 'delim' => false));
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$c++;
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} elseif (($substr_chrs_c_2 == '*/') && ($top['what'] == self::JSON_IN_CMT)) {
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array_pop($stk);
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$c++;
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for ($i = $top['where']; $i <= $c; ++$i) {
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$chrs = substr_replace($chrs, ' ', $i, 1);
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}
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}
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}
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if (reset($stk) == self::JSON_IN_ARR) {
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return $arr;
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} elseif (reset($stk) == self::JSON_IN_OBJ) {
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return $obj;
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}
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}
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}
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}
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static function utf8ToUnicode( &$str ) {
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$unicode = array();
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$values = array();
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$lookingFor = 1;
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for ($i = 0; $i < strlen( $str ); $i++ ) {
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$thisValue = ord( $str[ $i ] );
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if ( $thisValue < 128 ) {
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$unicode[] = $thisValue;
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} else {
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if ( count( $values ) == 0 ) {
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$lookingFor = ( $thisValue < 224 ) ? 2 : 3;
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}
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$values[] = $thisValue;
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if ( count( $values ) == $lookingFor ) {
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$number = ( $lookingFor == 3 ) ?
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( ( $values[0] % 16 ) * 4096 ) + ( ( $values[1] % 64 ) * 64 ) + ( $values[2] % 64 ):
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( ( $values[0] % 32 ) * 64 ) + ( $values[1] % 64 );
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$unicode[] = $number;
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$values = array();
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$lookingFor = 1;
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}
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}
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}
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return $unicode;
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}
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static function unicodeToUTF8( &$str )
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{
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$utf8 = '';
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foreach( $str as $unicode )
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{
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if ( $unicode < 128 )
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{
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$utf8.= chr( $unicode );
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}
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elseif ( $unicode < 2048 )
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{
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$utf8.= chr( 192 + ( ( $unicode - ( $unicode % 64 ) ) / 64 ) );
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$utf8.= chr( 128 + ( $unicode % 64 ) );
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}
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else
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{
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$utf8.= chr( 224 + ( ( $unicode - ( $unicode % 4096 ) ) / 4096 ) );
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$utf8.= chr( 128 + ( ( ( $unicode % 4096 ) - ( $unicode % 64 ) ) / 64 ) );
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$utf8.= chr( 128 + ( $unicode % 64 ) );
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}
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}
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return $utf8;
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}
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static function utf8ToUTF16BE(&$str, $bom = false) {
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$out = $bom ? "\xFE\xFF" : '';
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if(function_exists('mb_convert_encoding'))
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return $out.mb_convert_encoding($str,'UTF-16BE','UTF-8');
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$uni = self::utf8ToUnicode($str);
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foreach($uni as $cp)
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$out .= pack('n',$cp);
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return $out;
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}
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static function utf16beToUTF8(&$str) {
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$uni = unpack('n*',$str);
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return self::unicodeToUTF8($uni);
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}
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} |