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(function(module, ns) {
function Template(root, rootAttrs) {
if (typeof(rootAttrs) === 'undefined') {
rootAttrs = {};
}
this.rootTag = root;
this.rootAttrs = rootAttrs;
this.activeNamespaces = {};
}
Template.prototype = {
defaultNamespace: 'dav',
doctype: '<?xml version="1.0" encoding="UTF-8"?>',
_nsId: 0,
xmlns: {
dav: 'DAV:',
calserver: 'http://calendarserver.org/ns/',
ical: 'http://apple.com/ns/ical/',
caldav: 'urn:ietf:params:xml:ns:caldav'
},
render: function(content) {
var output = this.doctype;
output += this.tag(this.rootTag, this.rootAttrs, content);
return output;
},
/**
* Registers an xml tag/namespace.
*
* @param {String} prefix xmlns.
* @param {String} tag tag name.
* @return {String} xml tag name.
*/
_registerTag: function(prefix, tag) {
if (prefix in this.xmlns) {
prefix = this.xmlns[prefix];
}
if (prefix in this.activeNamespaces) {
prefix = this.activeNamespaces[prefix];
} else {
var alias = 'N' + this._nsId++;
this.activeNamespaces[prefix] = alias;
this.rootAttrs['xmlns:' + alias] = prefix;
prefix = alias;
}
return prefix + ':' + tag;
},
/**
* Returns a xml string based on
* input. Registers given xmlns on main
* template. Always use this with render.
*
* @param {String|Array} tagDesc as a string defaults to
* .defaultNamespace an array
* takes a xmlns or an alias
* defined in .xmlns.
*
* @param {Object} [attrs] optional attributes.
* @param {String} content content of tag.
* @return {String} xml tag output.
*/
tag: function(tagDesc, attrs, content) {
if (typeof(attrs) === 'string') {
content = attrs;
attrs = {};
}
if (typeof(content) === 'undefined') {
content = false;
}
if (attrs && typeof(attrs.render) === 'function') {
content = attrs.render(this);
attrs = {};
}
if (typeof(tagDesc) === 'string') {
tagDesc = [this.defaultNamespace, tagDesc];
}
var fullTag = this._registerTag(tagDesc[0], tagDesc[1]);
var output = '';
var key;
output += '<' + fullTag + '';
for (key in attrs) {
output += ' ' + key + '="' + attrs[key] + '"';
}
if (content) {
output += '>' + content + '</' + fullTag + '>';
} else {
output += ' />';
}
return output;
}
};
module.exports = Template;
}.apply(
this,
(this.Caldav) ?
[Caldav('template'), Caldav] :
[module, require('./caldav')]
));
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