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This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, please let us know. If you prefer a more technical reference, visit the Processing Core Javadoc and Libraries Javadoc.

Class | XML
Name | ### format()
Examples |
    // The following short XML file called "mammals.xml" is parsed
    // in the code below. It must be in the project's "data" folder.
    //
    // <?xml version="1.0"?>
    // <mammals>
    //   <animal id="0" species="Capra hircus">Goat</animal>
    //   <animal id="1" species="Panthera pardus">Leopard</animal>
    //   <animal id="2" species="Equus zebra">Zebra</animal>
    // </mammals>

    XML xml;

    void setup() {
      xml = loadXML("mammals.xml");

      //Format without line breaks and no indentation
      String s = xml.format(-1);
      println(s);
      println("");  // Blank line

      //Format with line breaks and no indentation
      s = xml.format(0);
      println(s);

      //Format with line breaks and 5 spaces of indentation
      s = xml.format(5);
      println(s);
    }

    // Sketch prints:
    //<mammals><animal id="0" species="Capra hircus">Goat</animal>
      <animal id="1" species="Panthera pardus">Leopard</animal>
      <animal id="2" species="Equus zebra">Zebra</animal></mammals>
    //
    //<?xml version="1.0" encoding="UTF-8"?>
    //<mammals>
    //<animal id="0" species="Capra hircus">Goat</animal>
    //<animal id="1" species="Panthera pardus">Leopard</animal>
    //<animal id="2" species="Equus zebra">Zebra</animal>
    //</mammals>
    //
    //<?xml version="1.0" encoding="UTF-8"?>
    //<mammals>
    //     <animal id="0" species="Capra hircus">Goat</animal>
    //     <animal id="1" species="Panthera pardus">Leopard</animal>
    //     <animal id="2" species="Equus zebra">Zebra</animal>
    //</mammals>
Description | Takes an XML object and converts it to a String, formatting its content as specified with the indent parameter. If indent is set to -1, then the String is returned with no line breaks, no indentation, and no XML declaration. If indent is set to 0 or greater, then the String is returned with line breaks, and the specified number of spaces as indent values. Meaning, there will be no indentation if 0 is specified, or each indent will be replaced with the corresponding number of spaces: 1, 2, 3, and so on.
Syntax |
    .format(indent)
Parameters |
indent | int: -1 for a single line (and no declaration), >= 0 for indents and newlines
Returns | String
Related | toString()

Updated on January 9, 2020 00:33:14pm EST