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Section for use

All.


Syntax

XML_GET_VAL XmlIdentifierName  <result variable>

or

XML_GET_VAL XmlIdentifierName  SeriesVarAttribute


SeriesVarAttribute

SeriesVarAttribute, VarAttribute | VarAttribute

VarAttribute

AttributeId <result variable>

VarAttribute

AttributeId <result variable>


Description

Returns the values of the attributes specified for the current node in the result variables.


You can use the *TEXT directive to retrieve the value of the node's text. This directive can be omitted if only the text associated with the node is to be retrieved.

The result variable's type depends on the type in which you want to retrieve the value.


*NAME retrieves the local node's name, in which case the result variable will always be alphanumerical.


*PREFNS retrieves the prefix of the node. In this case, the result variable will always be alphanumerical. *PREFNS returns a *BLANK value if the node has not been prefixed.


Note: If an XML file is read sequentially (i.e. when the XML identifier was declared with the *SEQ option), *NAME returns special values when certain node types are read.


Comment node

Returns the value: #comment

Text or blank node

Returns the value: #text

CDATA node

Returns the value: #cdata-section

Node end node

Returns the value: /node_name



When this instruction is executed, the *RETURN_CODE reserved word can take the following values:

0 (*NORMAL)

Operation completed successfully.

10

One or more of the requested attributes or text does not exist for the current node. The variable is initialized with the default value for its type. The instruction is executed in the normal way for the other attributes.

13

Error: XML identifier not open.

-1

Error: type conversion problem involving the retrieved value and the specified variable for one or more text attributes.

27

Namespace URI not found.


Example

* To retrieve the current node's text

XML_GET_VAL xml1 WTEXT


* To retrieve the current node's attributes and text

XML_GET_VAL xml1 Attribute1 Var1, Attribute2 Var2, *TEXT Var3


* Attributes (whose names are stored in variables) and text of the current node are retrieved

ALPHA(15) AttrName1

ALPHA(15) AttrName2

AttrName1 = 'Attribute1'

AttrName1 = 'Attribute2'

XML_GET_VAL xml1 &AttrName1 Var1, &AttrName2 Var2, *TEXT Var3


* To retrieve the prefixed attributes

XML_ADD_NS xml1 'zz' 'urn:xmlns:25hoursaday-com:bookstore'

...

XML_GET_VAL xml1 zz:Attribute1 Var1, zz:Attribute2 Var2


* To retrieve the prefix of the current node

XML_GET_VAL xml1 *PREFNS PrefVar




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