60 lines
1.4 KiB
Standard ML
Executable file
60 lines
1.4 KiB
Standard ML
Executable file
#!/usr/bin/env fun
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/*
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* This file is part of the Fun programming language.
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* https://fun-lang.xyz/
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*
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* Copyright 2025 Johannes Findeisen <you@hanez.org>
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* Licensed under the terms of the Apache-2.0 license.
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* https://opensource.org/license/apache-2-0
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*
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* Added: 2025-12-09
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*/
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/*
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* Access a namespaced XML file and show prefixed element names.
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*/
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include <io/xml.fun>
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path = "./examples/data/ns_example.xml"
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xml = XML()
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doc = xml.from_file(path)
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if (doc == 0)
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print("Failed to load: ")
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print(path)
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else
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root = xml.root(doc)
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// With namespaces, the node name may include the prefix, e.g., "ns:library"
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print("Root element: ")
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print(xml.name(root))
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content = read_file(path)
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// Extract first book title and author (namespace prefix bk:)
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b1 = xml.between(content, "<bk:book", "</bk:book>")
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title = xml.between(b1, "<bk:title>", "</bk:title>")
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author = xml.between(b1, "<bk:author>", "</bk:author>")
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print("First book title: ")
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print(title)
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print("Author: ")
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print(author)
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/* Expected output:
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Root element:
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<?xml version="1.0" encoding="UTF-8"?>
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<ns:library xmlns:ns="http://example.org/ns/library" xmlns:bk="http://example.org/ns/book">
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<bk:book id="B-1">
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<bk:title>The Art of Fun</bk:title>
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<bk:author>J. Findeisen</bk:author>
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</bk:book>
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<bk:book id="B-2">
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<bk:title>Minimal VM Design</bk:title>
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<bk:author>A. Dev</bk:author>
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</bk:book>
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</ns:library>
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First book title:
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The Art of Fun
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Author:
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J. Findeisen
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*/
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