Name

count-non-empty( ) — returns the count of all the non-empty nodes in the node-set operands

Synopsis

Defined in: XForms 1.0
Parameters: node-set operands (required)
Return type: number

For the purposes of this function, “non-empty” means a string-value of one or more characters. This can be useful when computing an average that disregards empty values.

For an XPath data model representing the following XML:

<operands>
  <operand>3.14</operand>
  <operand>42</operand>
  <operand/>
  <operand>0.86</operand>
</operands>

The following XPath expression returns 15.333333333333334:

sum(/operands/operand) div count-non-empty(/operands/operand)

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