seb-win-refactoring/SafeExamBrowser.I18n/XmlTextResource.cs

52 lines
1.4 KiB
C#

/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using System;
using System.Collections.Generic;
using System.IO;
using System.Xml.Linq;
using SafeExamBrowser.I18n.Contracts;
namespace SafeExamBrowser.I18n
{
/// <summary>
/// Default implementation of an <see cref="ITextResource"/> for text data in XML.
/// </summary>
public class XmlTextResource : ITextResource
{
private Stream data;
/// <summary>
/// Initializes a new text resource for an XML data stream.
/// </summary>
/// <exception cref="ArgumentNullException">If the given stream is null.</exception>
public XmlTextResource(Stream data)
{
this.data = data ?? throw new ArgumentNullException(nameof(data));
}
public IDictionary<TextKey, string> LoadText()
{
var xml = XDocument.Load(data);
var text = new Dictionary<TextKey, string>();
foreach (var definition in xml.Root.Descendants())
{
var isEntry = definition.Name.LocalName == "Entry";
var hasValidKey = Enum.TryParse(definition.Attribute("key")?.Value, out TextKey key);
if (isEntry && hasValidKey)
{
text[key] = definition.Value?.Trim() ?? string.Empty;
}
}
return text;
}
}
}