Length (XmlDoc/XmlNode function)
Length of string-value of selected node (XmlDoc and XmlNode classes)
The Length function gets the length of the string-value of a node, which includes
its Text descendants.
Syntax
%number = nr:Length[( [xpath])] Throws XPathError
Syntax terms
| %len | A numeric variable to contain the returned value from Length. |
|---|---|
| nr | An XmlDoc or XmlNode, used as the context node for the XPath expression. If an XmlDoc, the Root node is the context node. |
| XPath | A Unicode string that is an XPath expression that results in a nodelist. The head of the nodelist is the node to process. An optional argument, its default is a period (.), that is, the node referenced by the method object (nr). Prior to Sirius Mods version 7.6, this is an EBCDIC string. |
Example
The following example displays the value "13":
Begin %d Object XmlDoc %d:LoadXml('<t><a>Hell</a>' With - '<b>o, world!'</b></t>') Print %d:Length('/t') End
Request-Cancellation Errors
- XPath is invalid.
- Result of (XPath) is empty.
- Insufficient free space exists in CCATEMP.