DOM Count XML attributes

4D - Documentation   Français   English   German   4th Dimension 2004, Command Theme List   4th Dimension 2004, Command Alphabetical List   4th Dimension 2004, Constant Theme List   Back   Previous   Next

version 2004 (Modified)


DOM Count XML attributes (elementRef) Longint

ParameterTypeDescription
elementRefStringXML element reference
Function resultLongintNumber of attributes

Description

The DOM Count XML attributes command returns the number of XML attributes present in the XML element designated by elementRef. For more information about XML attributes, refer to the Presentation of XML commands section.

Example

Before retrieving the values of elements in an array, you want to know the number of attributes in the following XML element:

   C_BLOB(myBlobVar)
   C_STRING(16;$xml_Parent_Ref;$xml_Child_Ref)
   C_TEXT(myResult)
   C_LONGINT($numAttributes)

   $xml_Parent_Ref:=DOM Parse XML variable(myBlobVar)
   $xml_Child_Ref:=DOM Get first child XML element($xml_Parent_Ref)

   $numAttributes:=DOM Count XML attributes($xml_Child_Ref)
   ARRAY TEXT(tAttrib;$numAttributes)
   For($i;1;$numAttributes)
      DOM GET XML ATTRIBUTE BY INDEX($xml_Child_Ref;$i;tAttrib{$i})
   End for

In the above example, $numAttributes equals 3, tAttrib{1} contains "Font," tAttrib{2} contains "N" and tAttrib{3} contains "size."

Note: The index number does not correspond to the location of the attribute in the XML file displayed in text form. In XML, the index of an attribute indicates its position among the attributes arranged in alphabetical order (according to their name).

See Also

DOM Count XML elements.

System Variables or Sets

If the command has been correctly executed, the system variable OK is set to 1. If an error occurs, it is set to 0.


4D - Documentation   Français   English   German   4th Dimension 2004, Command Theme List   4th Dimension 2004, Command Alphabetical List   4th Dimension 2004, Constant Theme List   Back   Previous   Next