Processing XML example

Working with XML is not too difficult if you know how to handle this format. To study here a simple example:

A XML is constructed and is read in the sketch.
You can follow the tree structure easily. More elaborate XML files are in principle the same.

This is the xml file:



/*
the xml file can be found in the link and is situated in the sketch folder
*/

XMLElement xml;

void setup(){

//loading the file

xml = new XMLElement(this, "xmlExample.xml");

//printing: look at the file structure


println( xml );


//get the first part of the upper branch


XMLElement myChannel = xml.getChild(0);

println( myChannel );

//now we will look at all the parts of the upper branch

int childCount = xml.getChildCount();

for (int i=0; i< childCount ; i++ ){
XMLElement countPart = xml.getChild(i);
println( countPart );
}



//we will print the text parts, but these are still xml elements


for (int i=0; i< childCount ; i++ ){
XMLElement countPart = xml.getChild(i);
XMLElement insidePart = countPart.getChild(0);//this is still inserted between text tags
println( insidePart );
}

//to get the text itself we have to ask for the content:

for (int i=0; i< childCount ; i++ ){
XMLElement countPart = xml.getChild(i);
XMLElement textPart = countPart.getChild(0);//you see that this can also be an array
String insidePart = textPart.getContent();

println( insidePart );
}
}
void draw(){
}





download this project as a sketch: http://www.contrechoc.com/crosslab/xmlExample.zip