// ****************************************************************
// Copyright 2007, Charlie Poole
// This is free software licensed under the NUnit license. You may
// obtain a copy of the license at http://nunit.org
// ****************************************************************

using System;
using System.IO;
using System.Xml;
using System.Xml.Xsl;
using System.Xml.XPath;

namespace NUnit.Util
{
	/// <summary>
	/// Summary description for XmlResultTransform.
	/// </summary>
	public class XmlResultTransform
    {
#if CLR_2_0 || CLR_4_0
        private XslCompiledTransform xslTransform = new XslCompiledTransform();
#else
        private XslTransform xslTransform = new XslTransform();
#endif

        public XmlResultTransform() { }

		public XmlResultTransform( string stylesheet )
		{
			Load( stylesheet );
		}

		public XmlResultTransform( XmlReader reader )
		{
			Load( reader );
		}

		public void Load( string stylesheet )
		{
			xslTransform.Load( stylesheet );				
		}

		public void Load( XmlReader reader )
		{
			// NOTE: Not compatable with .NET 1.0.
			// xslTransform.Load(reader, null, null);

			xslTransform.Load(reader);
	        }

		public void Transform( string inputFile, string outputFile )
		{
			Transform( new StreamReader( inputFile ), new StreamWriter( outputFile ) );
		}

		public void Transform( TextReader reader, TextWriter writer )
		{
			Transform( new XPathDocument( reader ), writer );
		}

		public void Transform( IXPathNavigable xpnav, TextWriter writer )
		{
			// NOTE: Not compatable with .NET 1.0.
			// xslTransform.Transform(xpnav, null, writer, null);

			xslTransform.Transform(xpnav, null, writer);
		}
	}
}
