XML/XPath: Difference between revisions
→{{header|Wren}}: Added a version using an XML library.
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Grob winglets
</pre>
<br>
{{libheader|Wren-xsequence}}
Since the first version was written, the above XML parser has appeared. Consequently, the solution can now be rewritten as follows, the output being the same as before.
Note that this library doesn't support XPath as such though for this particular task simple 'for' statements suffice.
<lang ecmascript>import "./xsequence" for XDocument
var xml = """
<inventory title="OmniCorp Store #45x10^3">
<section name="health">
<item upc="123456789" stock="12">
<name>Invisibility Cream</name>
<price>14.50</price>
<description>Makes you invisible</description>
</item>
<item upc="445322344" stock="18">
<name>Levitation Salve</name>
<price>23.99</price>
<description>Levitate yourself for up to 3 hours per application</description>
</item>
</section>
<section name="food">
<item upc="485672034" stock="653">
<name>Blork and Freen Instameal</name>
<price>4.95</price>
<description>A tasty meal in a tablet; just add water</description>
</item>
<item upc="132957764" stock="44">
<name>Grob winglets</name>
<price>3.56</price>
<description>Tender winglets of Grob. Just add water</description>
</item>
</section>
</inventory>
"""
var doc = XDocument.parse(xml)
System.print("The first 'item' element is:")
System.print(doc.root.element("section").element("item"))
var prices = []
var names = []
for (el in doc.root.elements) {
for (el2 in el.elements) {
prices.add(el2.element("price").value)
names.add(el2.element("name").value)
}
}
System.print("\nThe 'prices' are:\n%(prices.join("\n"))")
System.print("\nThe 'names' are:\n%(names.join("\n"))")</lang>
=={{header|XProc}}==
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