1. xml2json.git
  2. lib
  3. json2xml.js
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var sanitizer = require('./sanitize.js')
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module.exports = function (json, options) {
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if (json instanceof Buffer) { json = json.toString(); } var obj = null; if (typeof(json) == 'string') { try { obj = JSON.parse(json); } catch(e) { throw new Error("The JSON structure is invalid"); } } else { obj = json; }
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var toXml = new ToXml(options);
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toXml.parse(obj); return toXml.xml; }
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ToXml.prototype.parse = function(obj) { var self = this;
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var keys = Object.keys(obj); var len = keys.length;
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// First pass, extract strings only for (var i = 0; i < len; i++) {
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var key = keys[i], value = obj[key], isArray = Array.isArray(value);
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var type = typeof(value); if (type == 'string' || type == 'number' || type == 'boolean' || isArray) {
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var it = isArray ? value : [value];
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it.forEach(function(subVal) { if (typeof(subVal) != 'object') { if (key == '$t') {
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self.addTextContent(subVal);
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} else {
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self.addAttr(key, subVal);
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} }
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});
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} } // Second path, now handle sub-objects and arrays
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for (var i = 0; i < len; i++) { var key = keys[i]; if (Array.isArray(obj[key])) { var elems = obj[key]; var l = elems.length; for (var j = 0; j < l; j++) {
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var elem = elems[j];
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if (typeof(elem) == 'object') {
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self.openTag(key); self.parse(elem); self.closeTag(key);
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}
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} } else if (typeof(obj[key]) == 'object') {
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self.openTag(key); self.parse(obj[key]); self.closeTag(key);
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} } };
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ToXml.prototype.openTag = function(key) { this.completeTag(); this.xml += '<' + key; this.tagIncomplete = true; } ToXml.prototype.addAttr = function(key, val) {
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if (this.options.sanitize) { val = sanitizer.sanitize(val) }
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this.xml += ' ' + key + '="' + val + '"'; } ToXml.prototype.addTextContent = function(text) { this.completeTag(); this.xml += text; } ToXml.prototype.closeTag = function(key) { this.completeTag(); this.xml += '</' + key + '>'; } ToXml.prototype.completeTag = function() { if (this.tagIncomplete) { this.xml += '>'; this.tagIncomplete = false; } }
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function ToXml(options) { var defaultOpts = { sanitize: false };
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if (options) { for (var opt in options) { defaultOpts[opt] = options[opt]; } }
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this.options = defaultOpts;
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this.xml = ''; this.tagIncomplete = false; }