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What is XML Data Binding?

XML Data Binding enables you to load XML Documents into a strongly typed object model within your source code.

Meaning fewer coding errors, reduced development and testing time, increased conformance and coding reliability.

Liquid XML Data Binder Features

  • Generates an easy to use class library for C++, C#, Java, VB .Net, Silverlight, and Visual Basic 6.
  • Generated HTML documentation for your class library API.
  • Supports Smart Device platforms Android and iOS.
  • Supports W3C XML Schema (XSD), XDR and DTD standards.
  • Supports the Fast Infoset binary XML standard.
  • Support for the most complex XML standards.
  • Royalty free distribution of compiled code and runtime.

XML Code Generator for C++

Platform Support

The C++ code is platform independent and has successfully been used on Windows, Linux, Solaris, HP-UX, MacOS, embedded systems and other more obscure platforms.

The full C++ runtime source code is available and is easily compiled onto other platforms (e.g. HP-UX, Mac OS, embedded systems).

Memory and Object Management

Memory Management is performed via reference counting, so no memory leaks. Smart Pointer classes are employed meaning you don't have to deal with any of the referencing counting. References are automatically released when your smart pointer goes out of scope.

Ease of Use

Strongly Typed Code

Liquid XML Data Binder creates simple intuitive code from your XML Schema. The generated code library contains strongly typed classes, collections, and enumerations to create an intuitive custom API to code against. Allowing you to concentrate on writing your Business logic code.


Collections are strongly typed and use the stl iterator pattern.


The generated classes expose the values in the XML as simple properties (getters and setters) allowing values to be easily manipulated.

Customisable Code

The generated output may also be modified within special 'Hand Coded Blocks', changes inside these blocks are persisted when the library is re-generated, allowing the library to be customised to fit the projects needs.

A Simple C++ Example

The following C++ example we will use the Person.xsd, shown below to demonstrate how to read and write an XML document based on this schema.

The Person.xsd schema shown graphically using Liquid XML Studio:

Source XML Schema
<?xml version="1.0" encoding="utf-8" ?>
<!--Created with Liquid XML Studio -->
<xs:schema xmlns:xs="">
        <xs:element name="Person">
                                <xs:element name="Name" type="xs:string" />
                                <xs:element name="DateOfBirth" type="xs:date" />
                                <xs:element minOccurs="0" name="Address">
                                                        <xs:element name="HouseNo" type="xs:int" />
                                                        <xs:element name="PostCode" type="xs:string" />
                                <xs:element minOccurs="0" maxOccurs="unbounded" name="Car">
                                                <xs:element name="Make" type="xs:string" />
                                                <xs:element name="Model" type="xs:string" />

This XML file conforms to the Person.xsd shown above:

<?xml version="1.0" encoding="utf-8" ?>
<!--Created with Liquid XML Studio -->
                <PostCode>WV6 6JY</PostCode>

Example C++ code to create the PersonSample.xml document using the strongly typed XML Data Binding generated code:

// create the root item 'person'
CPersonPtr spPerson = CPerson::CreateInstance();
spPerson->SetDateOfBirth(CDateTime(1978, 6, 26));
// add 'address'
CAddressPtr spAddress = CAddress::CreateInstance();
spPerson->GetAddress()->SetPostCode(_T("WV6 6JY"));
// add 'car1' cars to collection
CCarPtr spCar1 = CCar::CreateInstance();
// add 'car2' cars to collection
CCarPtr spCar2 = CCar::CreateInstance();
// write xml document to string
printf(_T("XML = %s"), spPerson->ToXml().c_str());
// write xml document to file

The XML Data Binding code is much easier to read and more concise than equivalent code written using generic DOM technology.

The strongly typed API allows errors to be detected at compile time should the data model change as opposed to DOM code where any errors will only be picked up in testing.

Example C++ code to read the PersonSample.xml document using XML Data Binding:

// create the root item 'person'
CPersonPtr spPerson = CPerson::CreateInstance();
// load the items into the model
// read items from the model
printf(_T("%s was born %s"), spPerson->GetName().c_str(),
printf(_T(", and lives at %d, %s\n"), spPerson->GetAddress()->GetHouseNo(),
printf(_T("Cars Owned (%d)\n"), spPerson->GetCars()->GetCount());
for (CCarCol::iterator itr = spPerson->GetCars()->begin();
                                itr != spPerson->GetCars()->end(); itr++) {
        CCarPtr spCar = *itr;
        printf(_T(" %s, %s\n"),

The XML Data Binding code provides the majority of the parsing for you, so manipulating the XML objects is a simple task of dealing with collections of strongly typed objects.

This is much easier than using generic DOM code, where you need to continually check the data type of an item.

In Summary

Easier to Code

XML Data Binding makes it significantly easier to deal with XML documents from within your C++ code, resulting in less code, which is simpler to read and maintain.

Easier to Test

As the generated class library is strongly typed, it forms a template for the developer, ensuring that the data created is valid and conforms to the underlying XML Schema.

Easier to Maintain

The maintenance phase of a project also befits as XML Data Binding allows any errors introduced because of changes in the data model to be caught early at compile time, unlike weakly typed DOM trees, which will give no indication of a problem until runtime. These kinds of changes can be a major cause of bugs which can only be caught in testing. Being able to identify these at compile time can save a significant amount of time and effort.

Video Tutorials

VIEW TUTORIAL XML Data Binder Overview

XML Data Binder Overview

This video overview shows how to work in the graphical, text and split views, adding items, changing properties and updating documentation annotations.


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