commit | author | age
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d2a29b
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function isValueText(obj) { |
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const objName = obj.nodeName //obj.firstChild.nodeName |
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let objNodes = obj.childNodes //obj.firstChild.childNodes |
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let objKeys = Object.keys(objNodes); |
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return (objName === '#text') || ((objKeys.length !== 0) && (objNodes[objKeys[0]].nodeType === 3)); |
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} |
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$.extend({ |
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// converts xml documents and xml text to json object |
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json2xml: function (jsonObj, config) { |
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config = config || {}; |
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initConfigDefaults(); |
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return parseJSONObject(jsonObj); |
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function initConfigDefaults() { |
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if (config.escapeMode === undefined) { |
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config.escapeMode = true; |
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} |
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config.attributePrefix = config.attributePrefix || "_"; |
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config.arrayAccessForm = config.arrayAccessForm || "none"; |
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config.emptyNodeForm = config.emptyNodeForm || "text"; |
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if (config.enableToStringFunc === undefined) { |
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config.enableToStringFunc = true; |
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} |
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config.arrayAccessFormPaths = config.arrayAccessFormPaths || []; |
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if (config.skipEmptyTextNodesForObj === undefined) { |
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config.skipEmptyTextNodesForObj = true; |
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} |
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if (config.stripWhitespaces === undefined) { |
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config.stripWhitespaces = true; |
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} |
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config.datetimeAccessFormPaths = config.datetimeAccessFormPaths || []; |
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} |
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function startTag(jsonObj, element, attrList, closed) { |
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var resultStr = "<" + ((jsonObj != null && jsonObj.__prefix != null) ? (jsonObj.__prefix + ":") : "") + element; |
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if (attrList != null) { |
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for (var aidx = 0; aidx < attrList.length; aidx++) { |
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var attrName = attrList[aidx]; |
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var attrVal = jsonObj[attrName]; |
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if (config.escapeMode) |
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attrVal = escapeXmlChars(attrVal); |
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resultStr += " " + attrName.substr(config.attributePrefix.length) + "='" + attrVal + "'"; |
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} |
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} |
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if (!closed) |
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resultStr += ">"; |
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else |
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resultStr += "/>"; |
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return resultStr; |
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} |
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function endTag(jsonObj, elementName) { |
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return "</" + (jsonObj.__prefix != null ? (jsonObj.__prefix + ":") : "") + elementName + ">"; |
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} |
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function endsWith(str, suffix) { |
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return str.indexOf(suffix, str.length - suffix.length) !== -1; |
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} |
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function escapeXmlChars(str) { |
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if (typeof (str) == "string") |
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return str.replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>').replace(/"/g, '"').replace(/'/g, ''').replace(/\//g, '/'); |
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else |
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return str; |
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} |
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function jsonXmlSpecialElem(jsonObj, jsonObjField) { |
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if ((config.arrayAccessForm == "property" && endsWith(jsonObjField.toString(), ("_asArray"))) |
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|| jsonObjField.toString().indexOf(config.attributePrefix) == 0 |
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|| jsonObjField.toString().indexOf("__") == 0 |
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|| (jsonObj[jsonObjField] instanceof Function)) |
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return true; |
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else |
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return false; |
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} |
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function jsonXmlElemCount(jsonObj) { |
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var elementsCnt = 0; |
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if (jsonObj instanceof Object) { |
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for (var it in jsonObj) { |
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if (jsonXmlSpecialElem(jsonObj, it)) |
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continue; |
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elementsCnt++; |
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} |
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} |
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return elementsCnt; |
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} |
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function parseJSONObject(jsonObj) { |
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var result = ""; |
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var elementsCnt = jsonXmlElemCount(jsonObj); |
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if (elementsCnt > 0) { |
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for (var it in jsonObj) { |
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if (jsonXmlSpecialElem(jsonObj, it)) |
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continue; |
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var subObj = jsonObj[it]; |
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var attrList = parseJSONAttributes(subObj) |
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if (subObj == null) { |
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result += startTag(subObj, it, attrList, true); |
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} else if (subObj instanceof Object) { |
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if (subObj instanceof Array) { |
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result += parseJSONArray(subObj, it, attrList); |
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} else if (subObj instanceof Date) { |
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result += startTag(subObj, it, attrList, false); |
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result += subObj.toISOString(); |
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result += endTag(subObj, it); |
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} else { |
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var subObjElementsCnt = jsonXmlElemCount(subObj); |
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if (subObjElementsCnt > 0 || subObj.__text != null || subObj.__cdata != null) { |
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result += startTag(subObj, it, attrList, false); |
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result += parseJSONObject(subObj); |
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result += endTag(subObj, it); |
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} else { |
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result += startTag(subObj, it, attrList, true); |
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} |
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} |
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} else { |
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result += startTag(subObj, it, attrList, false); |
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result += parseJSONTextObject(subObj); |
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result += endTag(subObj, it); |
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} |
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} |
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} |
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result += parseJSONTextObject(jsonObj); |
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return result; |
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} |
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function parseJSONAttributes(jsonObj) { |
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var attrList = []; |
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if (jsonObj instanceof Object) { |
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for (var ait in jsonObj) { |
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if (ait.toString().indexOf("__") == -1 && ait.toString().indexOf(config.attributePrefix) == 0) { |
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attrList.push(ait); |
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} |
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} |
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} |
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return attrList; |
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} |
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function parseJSONTextAttrs(jsonTxtObj) { |
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var result = ""; |
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if (jsonTxtObj.__cdata != null) { |
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result += "<![CDATA[" + jsonTxtObj.__cdata + "]]>"; |
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} |
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if (jsonTxtObj.__text != null) { |
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if (config.escapeMode) |
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result += escapeXmlChars(jsonTxtObj.__text); |
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else |
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result += jsonTxtObj.__text; |
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} |
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return result; |
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} |
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function parseJSONTextObject(jsonTxtObj) { |
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var result = ""; |
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if (jsonTxtObj instanceof Object) { |
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result += parseJSONTextAttrs(jsonTxtObj); |
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} else if (jsonTxtObj != null) { |
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if (config.escapeMode) |
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result += escapeXmlChars(jsonTxtObj); |
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else |
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result += jsonTxtObj; |
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} |
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return result; |
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} |
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function parseJSONArray(jsonArrRoot, jsonArrObj, attrList) { |
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var result = ""; |
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if (jsonArrRoot.length == 0) { |
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result += startTag(jsonArrRoot, jsonArrObj, attrList, true); |
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} else { |
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for (var arIdx = 0; arIdx < jsonArrRoot.length; arIdx++) { |
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result += startTag(jsonArrRoot[arIdx], jsonArrObj, parseJSONAttributes(jsonArrRoot[arIdx]), false); |
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result += parseJSONObject(jsonArrRoot[arIdx]); |
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result += endTag(jsonArrRoot[arIdx], jsonArrObj); |
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} |
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} |
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return result; |
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} |
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}, |
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xml2json: function parseXmlToJson(xml) { |
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const json = {}; |
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for (const res of xml.matchAll(/(?:<(\w*)(?:\s[^>]*)*>)((?:(?!<\1).)*)(?:<\/\1>)|<(\w*)(?:\s*)*\/>/gm)) { |
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const key = res[1] || res[3]; |
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const value = res[2] && parseXmlToJson(res[2]); |
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json[key] = ((value && Object.keys(value).length) ? value : res[2]) || null; |
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} |
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return json; |
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}, |
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isXmlValid: function (xml) { |
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try { |
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const jsonObj = this.xml2json(xml) |
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const jsonStr = JSON.stringify(jsonObj) |
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const newJsonObj = JSON.parse(jsonStr) |
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if (jsonObj && jsonStr && newJsonObj) { |
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return true; |
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} |
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} catch (err) { |
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console.log("errore nella validazione del xml: " + err) |
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return err |
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} |
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return false |
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} |
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}); |