ProjectDefinition.cs

using RPGCore.Packages;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Xml;

namespace RPGCore.Projects;

/// <summary>
/// Represents a configuration definition for the package.
/// </summary>
public class ProjectDefinition : IDefinition
{
	[DebuggerBrowsable(DebuggerBrowsableState.Never)]
	private readonly XmlDocument document;

	/// <summary>
	/// <para>A path to the project directory on the system.</para>
	/// </summary>
	public string Path { get; }

	/// <summary>
	/// General properties defined for this package.
	/// </summary>
	public ProjectDefinitionProperties Properties { get; }

	// Work-in-progress "References" feature.
	[DebuggerBrowsable(DebuggerBrowsableState.Never)]
	internal List<Reference> References { get; }

	[DebuggerBrowsable(DebuggerBrowsableState.Never)] IDefinitionProperties IDefinition.Properties => Properties;

	private ProjectDefinition(string path, XmlDocument document)
	{
		var projectFile = new FileInfo(path);
		Properties = new ProjectDefinitionProperties(projectFile, document);

		References = new List<Reference>();
		var projectReferenceTags = document.GetElementsByTagName("ProjectReference");
		for (int i = 0; i < projectReferenceTags.Count; i++)
		{
			var projectReferenceElement = projectReferenceTags.Item(i);

			if (projectReferenceElement is XmlElement element)
			{
				References.Add(new ProjectReference(this, element));
			}
		}

		var resourceReferenceTags = document.GetElementsByTagName("ResourceReference");
		for (int i = 0; i < resourceReferenceTags.Count; i++)
		{
			var resourceReferenceElement = resourceReferenceTags.Item(i);

			if (resourceReferenceElement is XmlElement element)
			{
				References.Add(new ResourceReference(this, element));
			}
		}
		Path = path;
		this.document = document;
	}

	public void SaveChanges()
	{
		XmlProjectFile.Format(document);
		document.Save(Path);
	}

	public static ProjectDefinition Load(string path)
	{
		if (!File.Exists(path))
		{
			return null;
		}

		var doc = new XmlDocument
		{
			PreserveWhitespace = true
		};
		doc.Load(path);

		var model = new ProjectDefinition(path, doc);
		return model;
	}
}