tools/xaml2html/xaml2html.cs

   1 //
   2 // xaml2html.cs: Tool to embed xaml in html
   3 //
   4 // Takes a given xaml file and embeds it in a simple stand-alone html page.
   5 //
   6 // Authors:
   7 //   Michael Dominic K. (mdk@mdk.am)
   8 //   Sebastien Pouliot  <sebastien@ximian.com>
   9 //
  10 //
  11 // See LICENSE file in the Moonlight distribution for licensing details
  12
  13 using System;
  14 using System.Collections.Generic;
  15 using System.IO;
  16 using System.Xml;
  17 using System.Reflection;
  18
  19 using NDesk.Options;
  20
  21 class XamlToHtml {
  22
  23         static readonly string html_template =  "<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\">\n" +
  24                                                 "<head>\n" +
  25                                                 "<title>@TITLE@</title>\n" +
  26                                                 "<meta>@META@</meta>\n" +
  27                                                 "</head>\n" +
  28                                                 "<body bgcolor=\"#eeeeee\">\n" +
  29                                                 "<object type=\"application/x-silverlight\" data=\"data:,\" id=\"slControl\" width=\"@WIDTH@\" height=\"@HEIGHT@\">\n" +
  30                                                 "<param name=\"background\" value=\"#FFFFFF\"/>\n" +
  31                                                 "<param name=\"source\" value=\"#xamlContent\"/>\n" +
  32                                                 "</object>\n" +
  33                                                 "<script type=\"text/xaml\" id=\"xamlContent\">\n" +
  34                                                 "<?xml version=\"1.0\"?>\n" +
  35                                                 "@XAML@" +
  36                                                 "</script>\n" +
  37                                                 "</body>\n" +
  38                                                 "</html>\n";
  39
  40         static int verbose = 0;
  41
  42         static void Help ()
  43         {
  44                 Console.WriteLine ("Usage is: xaml2html [--v] [--chain] [file.[xaml|.xap] ...]|\n");
  45         }
  46
  47         static string FindMasterCanvasAttribute (string xml, string attribute, string def)
  48         {
  49                 try {
  50                         XmlDocument document = new XmlDocument ();
  51                         document.LoadXml (xml);
  52
  53                         XmlNode node = document.GetElementsByTagName ("Canvas") [0];
  54                         return node.Attributes [attribute].InnerText;
  55                 } catch {
  56                 }
  57
  58                 // Failed, return default
  59                 return def;
  60         }
  61
  62         static bool ProcessFile (string file, string next)
  63         {
  64                 try {
  65                         bool is_xap = file.EndsWith (".xap");
  66                         string xaml_basename = Path.GetFileNameWithoutExtension (file);
  67                         string xaml_content = File.ReadAllText (file);
  68                         string html_content = is_xap ? (new StreamReader (Assembly.GetExecutingAssembly ().GetManifestResourceStream ("sl2template.html"))).ReadToEnd () : html_template;
  69
  70                         string canvas_width = FindMasterCanvasAttribute (xaml_content, "Width", is_xap ? "1600" : "640");
  71                         string canvas_height = FindMasterCanvasAttribute (xaml_content, "Height", is_xap ? "1200" : "480");
  72
  73                         // Substitute
  74                         html_content = html_content.Replace ("@XAML@", xaml_content);
  75                         html_content = html_content.Replace ("@XAP_FILE@", Path.GetFileName (file));
  76                         html_content = html_content.Replace ("@TITLE@", xaml_basename);
  77                         html_content = html_content.Replace ("@WIDTH@", canvas_width);
  78                         html_content = html_content.Replace ("@HEIGHT@", canvas_height);
  79
  80                         if (next != null) {
  81                                 next = Path.GetFileNameWithoutExtension (next) + ".html";
  82                                 string refresh = String.Format ("<meta http-equiv=\"refresh\" content=\"5;URL={0}\">", next);
  83                                 html_content = html_content.Replace ("@META@", refresh);
  84                         } else {
  85                                 html_content = html_content.Replace ("@META@", String.Empty);
  86                         }
  87
  88                         File.WriteAllText (xaml_basename + ".html", html_content);
  89
  90                         if (verbose > 0)
  91                                 Console.WriteLine ("Written {0}", xaml_basename + ".html");
  92
  93                         return true;
  94                 }
  95                 catch (Exception e) {
  96                         if (verbose > 0)
  97                                 Console.WriteLine ("Failed to embed {0}, file missing?", file);
  98                         if (verbose > 1)
  99                                 Console.WriteLine ("Exception: {0}", e);
 100                         return false;
 101                 }
 102         }
 103
 104         static int Main (string [] args)
 105         {
 106                 bool chain = false;
 107
 108                 if (args.Length < 1){
 109                         Help ();
 110                         return 1;
 111                 }
 112
 113                 var p = new OptionSet () {
 114                         { "-v", v => verbose++ },
 115                         { "-chain", v => chain = true }
 116                 };
 117
 118                 List<string> files = null;
 119                 try {
 120                         files = p.Parse (args);
 121                 } catch (OptionException) {
 122                         Console.WriteLine ("Try `xaml2html --help' for more information.");
 123                         return 1;
 124                 }
 125
 126                 for (int i=0; i < files.Count; i++) {
 127                         string next = (chain && (i < files.Count - 1)) ? files [i + 1] : null;
 128                         if (!ProcessFile (files [i], next))
 129                                 return 127;
 130                 }
 131
 132                 return 0;
 133         }
 134 }