node-jsontoxml

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this renders a simple javascript object structure into xml/html. js objects are easier to modify than strings so no need to parse a whole dom to reliably add a few elements. while this could support async callbacks it doesn't. if people need it i will be happy to add support.

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.gitignore
.travis.yml
jsontoxml.js
LICENSE
package.json
README.md
test.js

// repository documentation

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# jsontoxml

This is a library designed to render js objects as xml. Its not made to parse or otherwise edit existing xml/html structures.
For that and perhaps as a compliment to this you can use jsdom or xml2js for editing existing markup.

this will do a good job rendering json as xml but apis that require xml expect odd things mostly related to elements with attributes and implicit array like keys that make formatting your json a little tricky.

## example

```js
var jsonxml = require('jsontoxml');

var xml = jsonxml({
	node:'text content',
	parent:[
		{name:'taco',text:'beef taco',children:{salsa:'hot!'}},
		{name:'taco',text:'fish taco',attrs:{mood:'sad'},children:[
			{name:'salsa',text:'mild'},
			'hi',
			{name:'salsa',text:'weak',attrs:{type:2}}
		]},
		{name:'taco',attrs:'mood="party!"'}
	],
	parent2:{
		hi:'is a nice thing to say',
		node:'i am another not special child node',
		date:function(){
			return (new Date())+'';
		}
	}
})

console.log(xml);

```

outputs:
```xml
<node>text content</node>
<parent>
	<taco>
		beef taco
		<salsa>hot!</salsa>
	</taco>
	<taco mood='sad'>
		fish taco
		<salsa>mild</salsa>
		hi
		<salsa type="2">weak</salsa>
	</taco>
	<taco mood='party!'/>
</parent>
<parent2>
	<hi>is a nice thing to say</hi>
	<node>i am another not special child node</node>
	<date>Sun Sep 26 2010 17:27:29 GMT-0700 (PDT)</date>
</parent2>
```
## API

`jsontoxml (obj,options)`

* a valid json structure to interpret or a json string
* returns an xml string
  * `options` is optional. it can be true (add generic xml header) or an object. If an object, valid options are:
    - `escape`
      * calls escape on all values
      * attribute values if attribute values are specified as an object
    - `xmlHeader` can either be boolan (add generic `<?xml …?>` header) or an object. If an object valid options are:
      - `standalone` if true, the `<?xml …?>` gets an additional attribute       `standalone="yes"`.
    - `docType` if defined gets added as the `<!DOCTYPE …>` contents (unescaped).
    - `prettyPrint` if truthy the output gets a rudimentary pretty print (good for debugging, don't expect too much)
    - `indent` specify what unit you would like to indent by (spaces, tabstop, nothing - pass an empty string)
    - `removeIllegalNameCharacters` replace illegal XML element Name characters with '_'
    - `html` instead of adding self closing tags for empty tags add an open and close tag. `<salsa/>` becomes `<salsa></salsa>`

`jsontoxml.escape (string)`

* returns string with xml entities escaped
* escapes `"" & < >`

`jsontoxml.cdata (string)`

* wraps string with `<![CDATA[ ]]>`
 * removes all occurences of close cdata (`]]>`) in input text

## more description

I made this because i wanted to abstract away the fact that antiquated external systems require post data as xml and i wanted to expose a standard js calling api like my other interfaces.

I did not want to instantiate an entire dom to perform simple updates to tags in lower level functions (like injecting api keys) when top level api call specific functions start building the xml string.

node-jsontoxml

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