diff options
Diffstat (limited to 'framework/Web/Javascripts/TJSON.php')
| -rw-r--r-- | framework/Web/Javascripts/TJSON.php | 160 |
1 files changed, 79 insertions, 81 deletions
diff --git a/framework/Web/Javascripts/TJSON.php b/framework/Web/Javascripts/TJSON.php index 76a19d27..e653264b 100644 --- a/framework/Web/Javascripts/TJSON.php +++ b/framework/Web/Javascripts/TJSON.php @@ -1,6 +1,4 @@ <?php
-/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
-
/**
* Converts to and from JSON format.
*
@@ -47,8 +45,8 @@ * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
-* @category
-* @package System.Web.Services.AJAX
+* @category
+* @package System.Web.Javascripts
* @author Michal Migurski <mike-json@teczno.com>
* @author Matt Knapp <mdknapp[at]gmail[dot]com>
* @author Brett Stimmerman <brettstimmerman[at]gmail[dot]com>
@@ -60,7 +58,7 @@ /**
* Converts to and from JSON format.
*
-* @package System.Web.Services.AJAX
+* @package System.Web.Javascripts
* @author Michal Migurski <mike-json@teczno.com>
* @author Matt Knapp <mdknapp[at]gmail[dot]com>
* @author Brett Stimmerman <brettstimmerman[at]gmail[dot]com>
@@ -76,9 +74,9 @@ class TJSON /**
* Marker constant for JSON::decode(), used to flag stack state
- */
+ */
const JSON_IN_STR = 2;
-
+
/**
* Marker constant for JSON::decode(), used to flag stack state
*/
@@ -91,17 +89,17 @@ class TJSON /**
* Marker constant for JSON::decode(), used to flag stack state
- */
+ */
const JSON_IN_CMT = 16;
/**
* Behavior switch for JSON::decode()
*/
const JSON_LOOSE_TYPE = 10;
-
+
/**
* Behavior switch for JSON::decode()
- */
+ */
const JSON_STRICT_TYPE = 11;
/**
@@ -137,17 +135,17 @@ class TJSON switch (gettype($var)) {
case 'boolean':
return $var ? 'true' : 'false';
-
+
case 'NULL':
return 'null';
-
+
case 'integer':
return (int) $var;
-
+
case 'double':
case 'float':
return (float) $var;
-
+
case 'string':
// STRINGS ARE EXPECTED TO BE IN ASCII OR UTF-8 FORMAT
$ascii = '';
@@ -158,9 +156,9 @@ class TJSON * escaping with a slash or encoding to UTF-8 where necessary
*/
for ($c = 0; $c < $strlen_var; ++$c) {
-
+
$ord_var_c = ord($var{$c});
-
+
switch (true) {
case $ord_var_c == 0x08:
$ascii .= '\b';
@@ -184,12 +182,12 @@ class TJSON // double quote, slash, slosh
$ascii .= '\\'.$var{$c};
break;
-
+
case (($ord_var_c >= 0x20) && ($ord_var_c <= 0x7F)):
// characters U-00000000 - U-0000007F (same as ASCII)
$ascii .= $var{$c};
break;
-
+
case (($ord_var_c & 0xE0) == 0xC0):
// characters U-00000080 - U-000007FF, mask 110XXXXX
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
@@ -198,7 +196,7 @@ class TJSON $utf16 = $this->utf8_to_utf16be($char);
$ascii .= sprintf('\u%04s', bin2hex($utf16));
break;
-
+
case (($ord_var_c & 0xF0) == 0xE0):
// characters U-00000800 - U-0000FFFF, mask 1110XXXX
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
@@ -209,7 +207,7 @@ class TJSON $utf16 = $this->utf8_to_utf16be($char);
$ascii .= sprintf('\u%04s', bin2hex($utf16));
break;
-
+
case (($ord_var_c & 0xF8) == 0xF0):
// characters U-00010000 - U-001FFFFF, mask 11110XXX
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
@@ -221,7 +219,7 @@ class TJSON $utf16 = $this->utf8_to_utf16be($char);
$ascii .= sprintf('\u%04s', bin2hex($utf16));
break;
-
+
case (($ord_var_c & 0xFC) == 0xF8):
// characters U-00200000 - U-03FFFFFF, mask 111110XX
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
@@ -234,7 +232,7 @@ class TJSON $utf16 = $this->utf8_to_utf16be($char);
$ascii .= sprintf('\u%04s', bin2hex($utf16));
break;
-
+
case (($ord_var_c & 0xFE) == 0xFC):
// characters U-04000000 - U-7FFFFFFF, mask 1111110X
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
@@ -250,9 +248,9 @@ class TJSON break;
}
}
-
+
return '"'.$ascii.'"';
-
+
case 'array':
/*
* As per JSON spec if any array key is not an integer
@@ -271,8 +269,8 @@ class TJSON * parameter is only accessible using ECMAScript's
* bracket notation.
*/
-
- // treat as a JSON object
+
+ // treat as a JSON object
if (is_array($var) && count($var) && (array_keys($var) !== range(0, sizeof($var) - 1))) {
return '{' .
join(',', array_map(array($this, 'name_value'),
@@ -283,7 +281,7 @@ class TJSON // treat it like a regular array
return '[' . join(',', array_map(array($this, 'encode'), $var)) . ']';
-
+
case 'object':
$vars = get_object_vars($var);
return '{' .
@@ -296,7 +294,7 @@ class TJSON return '';
}
}
-
+
/**
* encodes an arbitrary variable into JSON format, alias for encode()
* @see JSON::encode()
@@ -313,7 +311,7 @@ class TJSON {
return $this->encode($var);
}
-
+
/** function name_value
* array-walking function for use in generating JSON-formatted name-value pairs
*
@@ -326,7 +324,7 @@ class TJSON protected function name_value($name, $value)
{
return $this->encode(strval($name)) . ':' . $this->encode($value);
- }
+ }
/**
* reduce a string by removing leading and trailing comments and whitespace
@@ -339,18 +337,18 @@ class TJSON protected function reduce_string($str)
{
$str = preg_replace(array(
-
+
// eliminate single line comments in '// ...' form
'#^\s*//(.+)$#m',
-
+
// eliminate multi-line comments in '/* ... */' form, at start of string
'#^\s*/\*(.+)\*/#Us',
-
+
// eliminate multi-line comments in '/* ... */' form, at end of string
'#/\*(.+)\*/\s*$#Us'
-
+
), '', $str);
-
+
// eliminate extraneous space
return trim($str);
}
@@ -370,17 +368,17 @@ class TJSON public function decode($str)
{
$str = $this->reduce_string($str);
-
+
switch (strtolower($str)) {
case 'true':
return true;
case 'false':
return false;
-
+
case 'null':
return null;
-
+
default:
if (is_numeric($str)) {
// Lookie-loo, it's a number
@@ -393,19 +391,19 @@ class TJSON return ((float)$str == (integer)$str)
? (integer)$str
: (float)$str;
-
+
} elseif (preg_match('/^("|\').+(\1)$/s', $str, $m) && $m[1] == $m[2]) {
// STRINGS RETURNED IN UTF-8 FORMAT
$delim = substr($str, 0, 1);
$chrs = substr($str, 1, -1);
$utf8 = '';
$strlen_chrs = strlen($chrs);
-
+
for ($c = 0; $c < $strlen_chrs; ++$c) {
-
+
$substr_chrs_c_2 = substr($chrs, $c, 2);
$ord_chrs_c = ord($chrs{$c});
-
+
switch (true) {
case $substr_chrs_c_2 == '\b':
$utf8 .= chr(0x08);
@@ -437,7 +435,7 @@ class TJSON $utf8 .= $chrs{++$c};
}
break;
-
+
case preg_match('/\\\u[0-9A-F]{4}/i', substr($chrs, $c, 6)):
// single, escaped unicode character
$utf16 = chr(hexdec(substr($chrs, ($c+2), 2)))
@@ -445,39 +443,39 @@ class TJSON $utf8 .= $this->utf16be_to_utf8($utf16);
$c+=5;
break;
-
+
case ($ord_chrs_c >= 0x20) && ($ord_chrs_c <= 0x7F):
$utf8 .= $chrs{$c};
break;
-
+
case ($ord_chrs_c & 0xE0) == 0xC0:
// characters U-00000080 - U-000007FF, mask 110XXXXX
//see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
$utf8 .= substr($chrs, $c, 2);
++$c;
break;
-
+
case ($ord_chrs_c & 0xF0) == 0xE0:
// characters U-00000800 - U-0000FFFF, mask 1110XXXX
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
$utf8 .= substr($chrs, $c, 3);
$c += 2;
break;
-
+
case ($ord_chrs_c & 0xF8) == 0xF0:
// characters U-00010000 - U-001FFFFF, mask 11110XXX
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
$utf8 .= substr($chrs, $c, 4);
$c += 3;
break;
-
+
case ($ord_chrs_c & 0xFC) == 0xF8:
// characters U-00200000 - U-03FFFFFF, mask 111110XX
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
$utf8 .= substr($chrs, $c, 5);
$c += 4;
break;
-
+
case ($ord_chrs_c & 0xFE) == 0xFC:
// characters U-04000000 - U-7FFFFFFF, mask 1111110X
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
@@ -488,9 +486,9 @@ class TJSON }
}
-
+
return $utf8;
-
+
} elseif (preg_match('/^\[.*\]$/s', $str) || preg_match('/^\{.*\}$/s', $str)) {
// array, or object notation
@@ -506,14 +504,14 @@ class TJSON $obj = new stdClass();
}
}
-
+
array_push($stk, array('what' => self::JSON_SLICE,
'where' => 0,
'delim' => false));
$chrs = substr($str, 1, -1);
$chrs = $this->reduce_string($chrs);
-
+
if ($chrs == '') {
if (reset($stk) == self::JSON_IN_ARR) {
return $arr;
@@ -525,14 +523,14 @@ class TJSON }
//print("\nparsing {$chrs}\n");
-
+
$strlen_chrs = strlen($chrs);
-
+
for ($c = 0; $c <= $strlen_chrs; ++$c) {
-
+
$top = end($stk);
$substr_chrs_c_2 = substr($chrs, $c, 2);
-
+
if (($c == $strlen_chrs) || (($chrs{$c} == ',') && ($top['what'] == self::JSON_SLICE))) {
// found a comma that is not inside a string, array, etc.,
// OR we've reached the end of the character list
@@ -619,16 +617,16 @@ class TJSON // found a comment end, and we're in one now
array_pop($stk);
$c++;
-
+
for ($i = $top['where']; $i <= $c; ++$i)
$chrs = substr_replace($chrs, ' ', $i, 1);
-
+
//print("Found end of comment at {$c}: ".substr($chrs, $top['where'], (1 + $c - $top['where']))."\n");
}
-
+
}
-
+
if (reset($stk) == self::JSON_IN_ARR) {
return $arr;
@@ -636,11 +634,11 @@ class TJSON return $obj;
}
-
+
}
}
}
-
+
/**
* decodes a JSON string into appropriate variable; alias for decode()
* @see JSON::decode()
@@ -657,7 +655,7 @@ class TJSON {
return $this->decode($var);
}
-
+
/**
* This function returns any UTF-8 encoded text as a list of
@@ -667,23 +665,23 @@ class TJSON * @link http://www.randomchaos.com/document.php?source=php_and_unicode
* @see unicode_to_utf8()
*/
- protected function utf8_to_unicode( &$str )
+ protected function utf8_to_unicode( &$str )
{
- $unicode = array();
+ $unicode = array();
$values = array();
$lookingFor = 1;
- for ($i = 0; $i < strlen( $str ); $i++ )
+ for ($i = 0; $i < strlen( $str ); $i++ )
{
$thisValue = ord( $str[ $i ] );
- if ( $thisValue < 128 )
+ if ( $thisValue < 128 )
$unicode[] = $thisValue;
- else
+ else
{
- if ( count( $values ) == 0 )
+ if ( count( $values ) == 0 )
$lookingFor = ( $thisValue < 224 ) ? 2 : 3;
$values[] = $thisValue;
- if ( count( $values ) == $lookingFor )
+ if ( count( $values ) == $lookingFor )
{
$number = ( $lookingFor == 3 ) ?
( ( $values[0] % 16 ) * 4096 ) + ( ( $values[1] % 64 ) * 64 ) + ( $values[2] % 64 ):
@@ -704,21 +702,21 @@ class TJSON * @link http://www.randomchaos.com/document.php?source=php_and_unicode
* @see utf8_to_unicode()
*/
- protected function unicode_to_utf8( &$str )
+ protected function unicode_to_utf8( &$str )
{
$utf8 = '';
- foreach( $str as $unicode )
+ foreach( $str as $unicode )
{
- if ( $unicode < 128 )
+ if ( $unicode < 128 )
{
$utf8.= chr( $unicode );
- }
- elseif ( $unicode < 2048 )
+ }
+ elseif ( $unicode < 2048 )
{
$utf8.= chr( 192 + ( ( $unicode - ( $unicode % 64 ) ) / 64 ) );
$utf8.= chr( 128 + ( $unicode % 64 ) );
- }
- else
+ }
+ else
{
$utf8.= chr( 224 + ( ( $unicode - ( $unicode % 4096 ) ) / 4096 ) );
$utf8.= chr( 128 + ( ( ( $unicode % 4096 ) - ( $unicode % 64 ) ) / 64 ) );
@@ -733,7 +731,7 @@ class TJSON *
* Maybe really UCS-2 without mb_string due to utf8_to_unicode limits
*/
- protected function utf8_to_utf16be(&$str, $bom = false)
+ protected function utf8_to_utf16be(&$str, $bom = false)
{
$out = $bom ? "\xFE\xFF" : '';
if(function_exists('mb_convert_encoding'))
@@ -750,12 +748,12 @@ class TJSON *
* Maybe really UCS-2 without mb_string due to utf8_to_unicode limits
*/
- protected function utf16be_to_utf8(&$str)
+ protected function utf16be_to_utf8(&$str)
{
$uni = unpack('n*',$str);
return unicode_to_utf8($uni);
}
}
-
+
?>
\ No newline at end of file |