(Node.js) Serialize / Deserialize Hashtable to/from XML

Demonstrates how to seralize / deserialize a Hashtable to/from XML.

Note: This example requires Chilkat v9.5.0.64 or later.

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

    // Note: This example requires Chilkat v9.5.0.64 or later.

    // Add some entries to a hashtable.
    var hashTab = new chilkat.Hashtable();

    hashTab.AddStr("aaa","111");
    hashTab.AddStr("bbb","222");
    hashTab.AddStr("ccc","333");

    // Serialize to XML
    var sb = new chilkat.StringBuilder();
    hashTab.ToXmlSb(sb);
    console.log(sb.GetAsString());
    console.log("---");

    // The output is as follows.  Each hash table entry
    // is contained in an "e" node.  The entry's key
    // is in the "k" node, and the value in the "v" node.

    // <?xml version="1.0" encoding="utf8-8"?>
    // <hashtable>
    // <e><k>aaa</k><v>111</v></e>
    // <e><k>bbb</k><v>222</v></e>
    // <e><k>ccc</k><v>333</v></e>
    // </hashtable>
    // 

    // Now load (deserialize) into a new hash table.
    var hashTab2 = new chilkat.Hashtable();
    hashTab2.AddFromXmlSb(sb);

    // Get the hash table keys, and lookup each (to show 
    // that the hash table was correctly deserialized).
    // The GetKeys method can return the keys in any order.
    var sTable = new chilkat.StringTable();
    hashTab2.GetKeys(sTable);

    var i = 0;
    var numKeys = sTable.Count;
    while (i < numKeys) {
        var key = sTable.StringAt(i);
        console.log(key + ": " + hashTab2.LookupStr(key));
        i = i+1;
    }


}

chilkatExample();