ExpressionFixup

The ExpressionFixup will evaluate a scripting expression that produces the new value for our element.

Parameters

ref — Reference to element
expression — Scripting expression to evaluate. Must return a string or integer value.

Scripting Variables

self — Fixup instance
ref — Referenced element
data — Referenced elements value as a byte array

Examples

<Block name="Header">
  <!-- .... -->

  <Number size="32">
    <Fixup class="ExpressionFixup">
          <Param name="ref" value="Data" />
          <Param name="expression" value="len(data) % 3" />
        </Fixup>
  </Number>
</Block>

<Blob name="Data" />