XML_REMOVE_CHILDREN

Use the XML_REMOVE_CHILDREN script function to delete all subordinate elements of a specific open element within the XML document. XML_REMOVE_CHILDREN returns code 0 once the sub-elements are successfully deleted.

Important! The XML structure is modified in the memory only. You do not see the changes of XML_REMOVE_CHILDREN on the structured documentation page.

Tip: Use the XML_OPEN script function to open the XML document. For more information, see XML_OPEN.

Syntax

XML_REMOVE_CHILDREN (Element)

Script Function and Parameters

  • XML_REMOVE_CHILDREN
    Removes all the sub-elements of an XML element.

  • Element
    Reference to the element whose sub-element will be deleted.
    Format: script literal or script variable

Return Code

  • 0
    All sub-elements of the specified element were successfully deleted.

Example

The following example opens a structured documentation page as an XML document. The first element is specified and all of its sub-elements are deleted. If the deletion is successful, a corresponding message is written to the activation log.

:SET &XMLDOCU#=XML_OPEN(DOCU,,"@Details")

:IF &XMLDOCU# <>
""
:SET &FIRST# = XML_GET_FIRST_CHILD(&XMLDOCU#)
:SET &RET# = XML_REMOVE_CHILDREN(&FIRST#)

:IF &RET# = 0
:P 'Sub-element successfully deleted.'

:ENDIF

:ENDIF

:XML_CLOSE &XMLDOCU#

See also: