testsuite.php
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<?php
/**
* The content of this file is (c) 2003-2005 digital media center GmbH
* All rights reserved
*
* JSON parser / generator test
*
* @package JSON
* @access public
* @copyright (c) 2003-2005 digital media center GmbH, all rights reserved
* @author Dominique Stender <dst@dmc.de>
*/
//---- includes ----------------------------------------------------------------
/**
* @include JSON
*/
require_once('../json.php');
//---- class -------------------------------------------------------------------
class MyObj {
var $id = '';
var $name = '';
var $attribs = array("first",'4');
function setId($id) {
$this->id = $id;
}
function getId() {
return $this->id;
}
function setName($name) {
$this->name = $name;
}
function getName() {
return $this->name;
}
}
//---- variables ---------------------------------------------------------------
$JSON = new JSON();
$myObj = new MyObj();
//---- logic -------------------------------------------------------------------
/* initialize object */
$myObj->setId('Äl' . chr(18) . "ie\nn");
$myObj->setName('objectName');
array_push($myObj->attribs, 'øfirst');
array_push($myObj->attribs, 'second');
array_push($myObj->attribs, 3);
/* create JSON representation */
$jsonStr = $JSON->stringify($myObj);
//---- clean-up ----------------------------------------------------------------
//---- content -----------------------------------------------------------------
?><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>JSON parser test</title>
<meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
<script type="text/javascript" src="json.js"></script>
<script type="text/javascript">
JSON.arrayObj = new Array();
JSON.parse2 = function (text)
{
var p = /^\s*(([,:{}\[\]])|"(\\.|[^\x00-\x1f"\\])*"|-?\d+(\.\d*)?([eE][+-]?\d+)?|true|false|null|\/\*Array\*\/)\s*/,
token,
operator;
function error(m, t) {
throw {
name: 'JSONError',
message: m,
text: t || operator || token
};
}
function next() {
if (text) {
var t = p.exec(text);
if (t) {
if (t[2]) {
token = null;
operator = t[2];
} else {
operator = null;
if(t[1].search (/^\/\*Array\*\/$/g) > -1)
{
token = function(){};
}
else
{
try {
token = eval(t[1]);
} catch (e) {
error("Bad token", t[1]);
}
}
}
text = text.substring(t[0].length);
} else {
error("Unrecognized token", text);
}
} else {
token = operator = undefined;
}
}
function arr() {
var a = [];
next();
if (operator == ']') {
next();
return a;
}
for (;;) {
a.push(val());
switch (operator) {
case ']':
next();
return a;
case ',':
next();
break;
default:
error("Missing ']'");
}
}
}
function obj() {
var k, o = {};
next();
if (operator == '}') {
next();
return o;
}
if (typeof(token) == 'function')
{
o = [];
next();
}
for (;;)
{
if (operator ||typeof token != 'string') {
error("Missing key");
}
k = token;
next();
if (operator != ':') {
error("Missing ':'");
}
next();
o[k] = val();
switch (operator) {
case '}':
next();
return o;
case ',':
next();
break;
case '#':
next();
break;
default:
error("Missing '}'");
}
}
}
function val() {
switch (operator) {
case '{':
return obj();
case '[':
return arr();
default:
if (operator !== null) {
error("Missing value");
}
var t = token;
next();
return t;
}
}
next();
return val();
};
JSON.stringify2 = function(arg)
{
var jsonstring = [];
var b = this;
function add(str)
{
jsonstring[jsonstring.length] = str;
}
function validObj(obj)
{
if (typeof(obj) != 'undefined' && typeof(obj) != 'function')
{
return true;
}
return false;
}
function recurse(obj, prefix)
{
switch (typeof(obj))
{
case 'object':
if (obj)
{
var first = true;
if (obj.constructor == b.arrayObj.constructor)
{
add('{/*Array*/');
//add ('{');
}
else
{
add ('{');
}
for (prop in obj)
{
if (validObj(obj[prop]))
{
if (!first)
{
add(',');
}
recurse(prop);
add(':');
recurse (obj[prop]);
first =false;
}
}
return add ('}');
}
return add('null');
break;
case 'number':
return add(isFinite(obj) ? String(obj) : 'null');
break;
case 'string':
l = obj.length;
add('"');
for (i = 0; i < l; i += 1) {
c = obj.charAt(i);
if (c >= ' ') {
if (c == '\\' || c == '"') {
add('\\');
}
add(c);
} else {
switch (c) {
case '\b':
add('\\b');
break;
case '\f':
add('\\f');
break;
case '\n':
add('\\n');
break;
case '\r':
add('\\r');
break;
case '\t':
add('\\t');
break;
default:
c = c.charCodeAt();
add('\\u00' + Math.floor(c / 16).toString(16) + (c % 16).toString(16));
}
}
}
return add('"');
break;
case 'boolean':
return add(String(obj));
break;
default:
return add('null');
break;
}
}
recurse(arg);
return jsonstring.join('');
};
</script>
</head>
<body>
<?php echo 'php JSONstr: ' . $jsonStr . "<br />\n"; ?>
<script type="text/javascript">
<!--
/* print JSON representation */
var jsonStr = '<?php echo addslashes($jsonStr); ?>';
document.write('JavaScript JSONstr: ' + jsonStr);
/* create another object from jsonStr */
try
{
var myObj2 = JSON.parse(jsonStr);
var myObj3 = JSON.parse2(jsonStr);
/* test the clone */
document.write('<br /><br />Original JSON implementation');
document.write('<br />id: ' + myObj2.id);
document.write('<br />name: ' + myObj2.name);
for (var i = 0; i < myObj2.attribs.length; i++) {
document.write('<br />attrib[' + i + ']: ' + myObj2.attribs[i]);
}
document.write('<br /><br />new JSON implementation');
document.write('<br />id: ' + myObj3.id);
document.write('<br />name: ' + myObj3.name);
for (var i = 0; i < myObj3.attribs.length; i++) {
document.write('<br />attrib[' + i + ']: ' + myObj3.attribs[i]);
}
/* convert newline to JSON */
var nl = "\n" + String.fromCharCode(18);
document.write('<br /><br /> Original JSON <br />newline as JSON: ' + JSON.stringify(nl));
document.write('<br /><br /> New JSON <br />newline as JSON: ' + JSON.stringify2(nl));
//-->
}
catch(e)
{
alert(e.message);
}
</script>
</body>
</html>