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Refactoring. (0.37.51)

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Johannes Findeisen 2026-01-14 04:53:09 +01:00
commit c6aef6f290
19 changed files with 31 additions and 16 deletions
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examples/xml_access_catalog.fun
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#!/usr/bin/env fun
/*
* This file is part of the Fun programming language.
* https://fun-lang.xyz/
*
* Copyright 2025 Johannes Findeisen <you@hanez.org>
* Licensed under the terms of the Apache-2.0 license.
* https://opensource.org/license/apache-2-0
*
* Added: 2025-12-09
*/
/*
* Demonstrate reading specific fields from an XML file using
* the minimal XML API (root name) and simple string parsing.
*/
include <io/xml.fun>
path = "./examples/data/catalog.xml"
xml = XML()
doc = xml.from_file(path)
if (doc == 0)
print("Failed to load: ")
print(path)
else
root = xml.root(doc)
print("Root element: ")
print(xml.name(root))
// Show how to access specific fields by quick-and-dirty parsing
content = read_file(path) // raw XML text
// First product name
name = xml.between(content, "<name>", "</name>")
// First price value and its currency attribute (extract value, then attribute)
price_val = xml.between(content, "<price", "</price>")
currency = ""
if (len(price_val) > 0)
currency = xml.between(price_val, "currency=\"", "\"")
// strip attribute tag part
price_text = xml.between(price_val, ">", "") // until end
if (len(price_text) == 0)
price_text = price_val
else
price_text = ""
print("First product name: ")
print(name)
print("First price: ")
if (len(currency) > 0)
print(currency)
print(" ")
print(price_text)
/* Expected output:
Root element:
<?xml version="1.0" encoding="UTF-8"?>
<catalog>
<product id="SKU-1001">
<name>Wireless Keyboard</name>
<category>Peripherals</category>
<price currency="USD">39.99</price>
<specs>
<layout>US</layout>
<connection>Bluetooth</connection>
<battery>AA</battery>
</specs>
</product>
<product id="SKU-2002">
<name>27" Monitor</name>
<category>Displays</category>
<price currency="USD">199.00</price>
<specs>
<resolution>2560x1440</resolution>
<panel>IPS</panel>
<refresh>75Hz</refresh>
</specs>
</product>
<product id="SKU-3003">
<name>USB-C Dock</name>
<category>Peripherals</category>
<price currency="USD">89.50</price>
<specs>
<ports>2xHDMI, 3xUSB-A, 1xUSB-C PD</ports>
<pd>65W</pd>
</specs>
</product>
</catalog>
First product name:
Wireless Keyboard
First price:
USD
39.99
*/