/*
 * Copyright (c) 2004 RenderX, Inc. All Rights Reserved.
 *
 * This software is provided as a sample for evaluation
 * of XEP.NET formatter only. RenderX declines every liability
 * for negative effects of its use for other purposes.
 */

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

namespace Examples.Net
{
	/// <summary>
	/// Example that displays how to perform formatting from XSL-FO to PDF
	/// </summary>
	public class FoToPdfStream
	{
		/// <summary>
		/// Return values.
		/// </summary>
		internal enum ReturnValue { Error=-1, Ok=0 };

		/// <summary>
		/// The main entry point
		/// </summary>
		[STAThread]
		static int Main(string[] saArgs) 
		{
			try 
			{
				if (saArgs == null || saArgs.Length != 2)
				{
					Console.Out.WriteLine("Invalid arguments.\n\n usage:\n FoToPdfStream fo_file pdf_file\n");
					return (int)ReturnValue.Error;
				}

				FoToPdfStream.Process(saArgs[0], saArgs[1]);
			} 
			catch (Exception e) 
			{
				//This should catch everything
				Console.Out.WriteLine();				
				Console.Out.WriteLine("Some error has occured:");
				Console.Out.WriteLine(e);
				return (int)ReturnValue.Error;
			}
			return (int)ReturnValue.Ok;
		}
            
		/// <summary>
		/// Process command line arguments transform given FO file to PDF.
		/// </summary>        
		/// <returns>Return value code, 0 - Ok, others - error.</returns>       
		protected static void Process(String sFoFile, String sPdfFile) 
		{
			if (!File.Exists(sFoFile))
				throw new FileNotFoundException("Can't find file " + sFoFile);

			Stream inStream = File.OpenRead(sFoFile);
			Stream outPdf = File.Create(sPdfFile);
			Hashtable props = new Hashtable();

			try
			{
				props.Add("ROOT", @"C:\Program Files\RenderX\XEP.NET 3.8");
				Renderx.Xep.Formatter formatter = new Renderx.Xep.Formatter(props, null);
				formatter.Format(sFoFile, new XmlTextReader(inStream), outPdf, 
					Renderx.Xep.Formatter.OUTPUT_PDF, null, null);
			}
			finally
			{
				inStream.Close();
				outPdf.Close();
			}
		}

	}
}