CODEWITHSUNDEEP
xmlxpathxpath-2.0
Naveen
Naveen

Reputation: 159

Union Static Value with in Xpath Query

How to union Static values with Xpath Query

Below is my XML Data

<breakfast_menu>
<food>
    <name>Belgian Waffles</name>
    <price>$5.95</price>
    <description>Two of our famous Belgian Waffles with plenty of real maple syrup</description>
    <calories>650</calories>
</food>
<food>
    <name>Strawberry Belgian Waffles</name>
    <price>$7.95</price>
    <description>Light Belgian waffles covered with strawberries and whipped cream</description>
    <calories>900</calories>
</food>
</breakfast_menu>

With below Xpath queries, i can able to achieve the values of Node Name

1) breakfast_menu/food[not(name=preceding-sibling::food/name)]/name

Out Put:

Belgian Waffles
Strawberry Belgian Waffles

My Intention is to Append the value 'ALL' to the output.

below Xpath queries are my work outs Using Union Operator to achieve

1) breakfast_menu/food[not(name=preceding-sibling::food/name)]/name | //food[name="ALL"]

Excepted Out Put with Xpath:

ALL
Belgian Waffles
Strawberry Belgian Waffles

Upvotes: 0

Views: 1031

Answers (1)

Martin Honnen
Martin Honnen

Reputation: 167676

Assuming you really have XPath 2.0:

string-join(('ALL', distinct-values(breakfast_menu/food/name)), '\n')

will yield a single string with lines

ALL
Belgian Waffles
Strawberry Belgian Waffles

If you want a sequence of strings then simply use

'ALL', distinct-values(breakfast_menu/food/name)

Upvotes: 2

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