Add the upstream implementation which I've ported from JavaScript
See: https://goessner.net/download/prj/jsonxml/
This commit is contained in:
parent
f90fef495e
commit
2336f3a6f8
|
|
@ -0,0 +1,45 @@
|
|||
/* This work is licensed under Creative Commons GNU LGPL License.
|
||||
|
||||
License: http://creativecommons.org/licenses/LGPL/2.1/
|
||||
Version: 0.9
|
||||
Author: Stefan Goessner/2006
|
||||
Web: http://goessner.net/
|
||||
*/
|
||||
function json2xml(o, tab) {
|
||||
var toXml = function(v, name, ind) {
|
||||
var xml = "";
|
||||
if (v instanceof Array) {
|
||||
for (var i=0, n=v.length; i<n; i++)
|
||||
xml += ind + toXml(v[i], name, ind+"\t") + "\n";
|
||||
}
|
||||
else if (typeof(v) == "object") {
|
||||
var hasChild = false;
|
||||
xml += ind + "<" + name;
|
||||
for (var m in v) {
|
||||
if (m.charAt(0) == "@")
|
||||
xml += " " + m.substr(1) + "=\"" + v[m].toString() + "\"";
|
||||
else
|
||||
hasChild = true;
|
||||
}
|
||||
xml += hasChild ? ">" : "/>";
|
||||
if (hasChild) {
|
||||
for (var m in v) {
|
||||
if (m == "#text")
|
||||
xml += v[m];
|
||||
else if (m == "#cdata")
|
||||
xml += "<![CDATA[" + v[m] + "]]>";
|
||||
else if (m.charAt(0) != "@")
|
||||
xml += toXml(v[m], m, ind+"\t");
|
||||
}
|
||||
xml += (xml.charAt(xml.length-1)=="\n"?ind:"") + "</" + name + ">";
|
||||
}
|
||||
}
|
||||
else {
|
||||
xml += ind + "<" + name + ">" + v.toString() + "</" + name + ">";
|
||||
}
|
||||
return xml;
|
||||
}, xml="";
|
||||
for (var m in o)
|
||||
xml += toXml(o[m], m, "");
|
||||
return tab ? xml.replace(/\t/g, tab) : xml.replace(/\t|\n/g, "");
|
||||
}
|
||||
|
|
@ -0,0 +1,155 @@
|
|||
/* This work is licensed under Creative Commons GNU LGPL License.
|
||||
|
||||
License: http://creativecommons.org/licenses/LGPL/2.1/
|
||||
Version: 0.9
|
||||
Author: Stefan Goessner/2006
|
||||
Web: http://goessner.net/
|
||||
*/
|
||||
function xml2json(xml, tab) {
|
||||
var X = {
|
||||
toObj: function(xml) {
|
||||
var o = {};
|
||||
if (xml.nodeType==1) { // element node ..
|
||||
if (xml.attributes.length) // element with attributes ..
|
||||
for (var i=0; i<xml.attributes.length; i++)
|
||||
o["@"+xml.attributes[i].nodeName] = (xml.attributes[i].nodeValue||"").toString();
|
||||
if (xml.firstChild) { // element has child nodes ..
|
||||
var textChild=0, cdataChild=0, hasElementChild=false;
|
||||
for (var n=xml.firstChild; n; n=n.nextSibling) {
|
||||
if (n.nodeType==1) hasElementChild = true;
|
||||
else if (n.nodeType==3 && n.nodeValue.match(/[^ \f\n\r\t\v]/)) textChild++; // non-whitespace text
|
||||
else if (n.nodeType==4) cdataChild++; // cdata section node
|
||||
}
|
||||
if (hasElementChild) {
|
||||
if (textChild < 2 && cdataChild < 2) { // structured element with evtl. a single text or/and cdata node ..
|
||||
X.removeWhite(xml);
|
||||
for (var n=xml.firstChild; n; n=n.nextSibling) {
|
||||
if (n.nodeType == 3) // text node
|
||||
o["#text"] = X.escape(n.nodeValue);
|
||||
else if (n.nodeType == 4) // cdata node
|
||||
o["#cdata"] = X.escape(n.nodeValue);
|
||||
else if (o[n.nodeName]) { // multiple occurence of element ..
|
||||
if (o[n.nodeName] instanceof Array)
|
||||
o[n.nodeName][o[n.nodeName].length] = X.toObj(n);
|
||||
else
|
||||
o[n.nodeName] = [o[n.nodeName], X.toObj(n)];
|
||||
}
|
||||
else // first occurence of element..
|
||||
o[n.nodeName] = X.toObj(n);
|
||||
}
|
||||
}
|
||||
else { // mixed content
|
||||
if (!xml.attributes.length)
|
||||
o = X.escape(X.innerXml(xml));
|
||||
else
|
||||
o["#text"] = X.escape(X.innerXml(xml));
|
||||
}
|
||||
}
|
||||
else if (textChild) { // pure text
|
||||
if (!xml.attributes.length)
|
||||
o = X.escape(X.innerXml(xml));
|
||||
else
|
||||
o["#text"] = X.escape(X.innerXml(xml));
|
||||
}
|
||||
else if (cdataChild) { // cdata
|
||||
if (cdataChild > 1)
|
||||
o = X.escape(X.innerXml(xml));
|
||||
else
|
||||
for (var n=xml.firstChild; n; n=n.nextSibling)
|
||||
o["#cdata"] = X.escape(n.nodeValue);
|
||||
}
|
||||
}
|
||||
if (!xml.attributes.length && !xml.firstChild) o = null;
|
||||
}
|
||||
else if (xml.nodeType==9) { // document.node
|
||||
o = X.toObj(xml.documentElement);
|
||||
}
|
||||
else
|
||||
alert("unhandled node type: " + xml.nodeType);
|
||||
return o;
|
||||
},
|
||||
toJson: function(o, name, ind) {
|
||||
var json = name ? ("\""+name+"\"") : "";
|
||||
if (o instanceof Array) {
|
||||
for (var i=0,n=o.length; i<n; i++)
|
||||
o[i] = X.toJson(o[i], "", ind+"\t");
|
||||
json += (name?":[":"[") + (o.length > 1 ? ("\n"+ind+"\t"+o.join(",\n"+ind+"\t")+"\n"+ind) : o.join("")) + "]";
|
||||
}
|
||||
else if (o == null)
|
||||
json += (name&&":") + "null";
|
||||
else if (typeof(o) == "object") {
|
||||
var arr = [];
|
||||
for (var m in o)
|
||||
arr[arr.length] = X.toJson(o[m], m, ind+"\t");
|
||||
json += (name?":{":"{") + (arr.length > 1 ? ("\n"+ind+"\t"+arr.join(",\n"+ind+"\t")+"\n"+ind) : arr.join("")) + "}";
|
||||
}
|
||||
else if (typeof(o) == "string")
|
||||
json += (name&&":") + "\"" + o.toString() + "\"";
|
||||
else
|
||||
json += (name&&":") + o.toString();
|
||||
return json;
|
||||
},
|
||||
innerXml: function(node) {
|
||||
var s = ""
|
||||
if ("innerHTML" in node)
|
||||
s = node.innerHTML;
|
||||
else {
|
||||
var asXml = function(n) {
|
||||
var s = "";
|
||||
if (n.nodeType == 1) {
|
||||
s += "<" + n.nodeName;
|
||||
for (var i=0; i<n.attributes.length;i++)
|
||||
s += " " + n.attributes[i].nodeName + "=\"" + (n.attributes[i].nodeValue||"").toString() + "\"";
|
||||
if (n.firstChild) {
|
||||
s += ">";
|
||||
for (var c=n.firstChild; c; c=c.nextSibling)
|
||||
s += asXml(c);
|
||||
s += "</"+n.nodeName+">";
|
||||
}
|
||||
else
|
||||
s += "/>";
|
||||
}
|
||||
else if (n.nodeType == 3)
|
||||
s += n.nodeValue;
|
||||
else if (n.nodeType == 4)
|
||||
s += "<![CDATA[" + n.nodeValue + "]]>";
|
||||
return s;
|
||||
};
|
||||
for (var c=node.firstChild; c; c=c.nextSibling)
|
||||
s += asXml(c);
|
||||
}
|
||||
return s;
|
||||
},
|
||||
escape: function(txt) {
|
||||
return txt.replace(/[\\]/g, "\\\\")
|
||||
.replace(/[\"]/g, '\\"')
|
||||
.replace(/[\n]/g, '\\n')
|
||||
.replace(/[\r]/g, '\\r');
|
||||
},
|
||||
removeWhite: function(e) {
|
||||
e.normalize();
|
||||
for (var n = e.firstChild; n; ) {
|
||||
if (n.nodeType == 3) { // text node
|
||||
if (!n.nodeValue.match(/[^ \f\n\r\t\v]/)) { // pure whitespace text node
|
||||
var nxt = n.nextSibling;
|
||||
e.removeChild(n);
|
||||
n = nxt;
|
||||
}
|
||||
else
|
||||
n = n.nextSibling;
|
||||
}
|
||||
else if (n.nodeType == 1) { // element node
|
||||
X.removeWhite(n);
|
||||
n = n.nextSibling;
|
||||
}
|
||||
else // any other node
|
||||
n = n.nextSibling;
|
||||
}
|
||||
return e;
|
||||
}
|
||||
};
|
||||
if (xml.nodeType == 9) // document node
|
||||
xml = xml.documentElement;
|
||||
var json = X.toJson(X.toObj(X.removeWhite(xml)), xml.nodeName, "\t");
|
||||
return "{\n" + tab + (tab ? json.replace(/\t/g, tab) : json.replace(/\t|\n/g, "")) + "\n}";
|
||||
}
|
||||
|
|
@ -0,0 +1,134 @@
|
|||
<html>
|
||||
<head>
|
||||
<title> XML/JSON - Tests </title>
|
||||
<script type="text/javascript" src="xml2json.js"></script>
|
||||
<script type="text/javascript" src="json2xml.js"></script>
|
||||
<script type="text/javascript">
|
||||
|
||||
var xml=[
|
||||
'<e/>',
|
||||
|
||||
'<e>text</e>',
|
||||
|
||||
'<e name="value" />',
|
||||
|
||||
'<e name="value">text</e>',
|
||||
|
||||
'<e> <a>text</a> <b>text</b> </e>',
|
||||
|
||||
'<e> <a>text</a> <a>text</a> </e>',
|
||||
|
||||
'<e> text <a>text</a> </e>',
|
||||
|
||||
'<a>hello</a>',
|
||||
|
||||
'<a x="y">hello</a>',
|
||||
|
||||
'<a id="a"><b id="b">hey!</b></a>',
|
||||
|
||||
'<a>x<c/>y</a>',
|
||||
|
||||
'<x u=""/>',
|
||||
|
||||
'<html>'+
|
||||
' <head>'+
|
||||
' <title>Xml/Json</title>'+
|
||||
' <meta name="x" content="y" />'+
|
||||
' </head>'+
|
||||
' <body>'+
|
||||
' </body>'+
|
||||
'</html>',
|
||||
|
||||
'<ol class="xoxo">'+
|
||||
' <li>Subject 1'+
|
||||
' <ol>'+
|
||||
' <li>subpoint a</li>'+
|
||||
' <li>subpoint b</li>'+
|
||||
' </ol>'+
|
||||
' </li>'+
|
||||
' <li><span>Subject 2</span>'+
|
||||
' <ol compact="compact">'+
|
||||
' <li>subpoint c</li>'+
|
||||
' <li>subpoint d</li>'+
|
||||
' </ol>'+
|
||||
' </li>'+
|
||||
'</ol>',
|
||||
|
||||
'<span class="vevent">'+
|
||||
' <a class="url" href="http://www.web2con.com/">'+
|
||||
' <span class="summary">Web 2.0 Conference</span>'+
|
||||
' <abbr class="dtstart" title="2005-10-05">October 5</abbr>'+
|
||||
' <abbr class="dtend" title="2005-10-08">7</abbr>'+
|
||||
' <span class="location">Argent Hotel, San Francisco, CA</span>'+
|
||||
' </a>'+
|
||||
'</span>',
|
||||
|
||||
'<e>\n'+
|
||||
' <![CDATA[ .. some data .. ]]>\n'+
|
||||
'</e>',
|
||||
|
||||
'<e>\n'+
|
||||
' <a />\n' +
|
||||
' <![CDATA[ .. some data .. ]]>\n'+
|
||||
' <b />\n' +
|
||||
'</e>',
|
||||
|
||||
'<e>\n'+
|
||||
' some text\n' +
|
||||
' <![CDATA[ .. some data .. ]]>\n'+
|
||||
' more text\n' +
|
||||
'</e>',
|
||||
|
||||
'<e>\n'+
|
||||
' some text\n' +
|
||||
' <![CDATA[ .. some data .. ]]>\n'+
|
||||
' <a />\n' +
|
||||
'</e>',
|
||||
|
||||
'<e>\n'+
|
||||
' <![CDATA[ .. some data .. ]]>\n'+
|
||||
' <![CDATA[ .. more data .. ]]>\n'+
|
||||
'</e>'
|
||||
];
|
||||
|
||||
function parseXml(xml) {
|
||||
var dom = null;
|
||||
if (window.DOMParser) {
|
||||
try {
|
||||
dom = (new DOMParser()).parseFromString(xml, "text/xml");
|
||||
}
|
||||
catch (e) { dom = null; }
|
||||
}
|
||||
else if (window.ActiveXObject) {
|
||||
try {
|
||||
dom = new ActiveXObject('Microsoft.XMLDOM');
|
||||
dom.async = false;
|
||||
if (!dom.loadXML(xml)) // parse error ..
|
||||
window.alert(dom.parseError.reason + dom.parseError.srcText);
|
||||
}
|
||||
catch (e) { dom = null; }
|
||||
}
|
||||
else
|
||||
alert("oops");
|
||||
return dom;
|
||||
}
|
||||
|
||||
window.onload = function() {
|
||||
var json;
|
||||
eval('a = {"e":null}');
|
||||
for (var i=0; i<xml.length; i++) {
|
||||
show(xml[i] + "\n\n" +
|
||||
(json = xml2json(parseXml(xml[i]), " ")) + "\n\n" +
|
||||
json2xml(eval('json='+json)));
|
||||
}
|
||||
}
|
||||
|
||||
function show(s) { document.getElementById("out").innerHTML += (s+"\n").replace(/&/g, "&").replace(/</g,"<").replace(/>/g,">").replace(/\n/g, "<br/>") + "<hr/>"; }
|
||||
|
||||
</script>
|
||||
</head>
|
||||
|
||||
<body>
|
||||
<pre id="out"></pre>
|
||||
</body>
|
||||
</html>
|
||||
Loading…
Reference in New Issue