[msitools] wixl: add --arch option

[Marc-Andre Lureau <malureau src gnome org>]

commit 457124ebc3e6a13894888d45f408d2706e5e3f78
Author: Marc-André Lureau <marcandre lureau gmail com>
Date:   Thu Apr 11 20:39:22 2013 +0200

    wixl: add --arch option

 tools/wixl/builder.vala |   16 +++++++++++++++-
 tools/wixl/wixl.vala    |   16 ++++++++++++++--
 2 files changed, 29 insertions(+), 3 deletions(-)
---
diff --git a/tools/wixl/builder.vala b/tools/wixl/builder.vala
index 2cf9ccd..924672b 100644
--- a/tools/wixl/builder.vala
+++ b/tools/wixl/builder.vala
@@ -1,17 +1,31 @@
 namespace Wixl {
 
+    enum Arch {
+        X86 = 0,
+        INTEL = 0,
+        IA64 = 1,
+        INTEL64 = 1,
+        X64;
+
+        public static Arch from_string(string s) throws GLib.Error {
+            return enum_from_string<Arch> (s);
+        }
+    }
+
     class WixBuilder: WixNodeVisitor, WixResolver {
 
-        public WixBuilder (string[] includedirs) {
+        public WixBuilder (string[] includedirs, Arch arch) {
             add_path (".");
             foreach (var i in includedirs)
                 this.includedirs.append (File.new_for_path (i));
+            this.arch = arch;
         }
 
         WixRoot root;
         MsiDatabase db;
         HashTable<string, string> variables;
         List<File> includedirs;
+        Arch arch;
 
         construct {
             variables = new HashTable<string, string> (str_hash, str_equal);
diff --git a/tools/wixl/wixl.vala b/tools/wixl/wixl.vala
index d7c6798..24dd179 100644
--- a/tools/wixl/wixl.vala
+++ b/tools/wixl/wixl.vala
@@ -15,12 +15,14 @@ namespace Wixl {
 
     static string[] includedirs;
     static string wxidir;
+    static Arch arch = Arch.X86;
 
     private const OptionEntry[] options = {
         { "version", 0, 0, OptionArg.NONE, ref version, N_("Display version number"), null },
         { "verbose", 'v', 0, OptionArg.NONE, ref verbose, N_("Verbose output"), null },
         { "output", 'o', 0, OptionArg.FILENAME, ref output, N_("Output file"), null },
         { "define", 'D', 0, OptionArg.STRING_ARRAY, ref defines, N_("Define variable"), null },
+        { "arch", 'a', 0, OptionArg.CALLBACK, (void*)parse_arch, N_("Target architecture"), null },
         { "includedir", 'I', 0, OptionArg.STRING_ARRAY, ref opt_includedirs, N_("Include directory"), null },
         { "wxidir", 0, 0, OptionArg.STRING, ref wxidir, N_("System include directory"), null },
         { "only-preproc", 'E', 0, OptionArg.NONE, ref preproc, N_("Stop after the preprocessing stage"), 
null },
@@ -28,6 +30,16 @@ namespace Wixl {
         { null }
     };
 
+    bool parse_arch (string option_name, string value, void *data) throws OptionError {
+        try {
+            arch = Arch.from_string (value);
+        } catch (GLib.Error e) {
+            throw new OptionError.BAD_VALUE (_("arch of type '%s' is not supported").printf (value));
+        }
+
+        return true;
+    }
+
     int main (string[] args) {
         Intl.bindtextdomain (Config.GETTEXT_PACKAGE, Config.LOCALEDIR);
         Intl.bind_textdomain_codeset (Config.GETTEXT_PACKAGE, "UTF-8");
@@ -44,7 +56,7 @@ namespace Wixl {
         try {
             opt_context.parse (ref args);
         } catch (OptionError.BAD_VALUE err) {
-            GLib.stdout.printf (opt_context.get_help (true, null));
+            GLib.stderr.printf (err.message + "\n");
             exit (1);
         } catch (OptionError error) {
             warning (error.message);
@@ -74,7 +86,7 @@ namespace Wixl {
         }
 
         try {
-            var builder = new WixBuilder (includedirs);
+            var builder = new WixBuilder (includedirs, arch);
 
             foreach (var d in defines) {
                 var def = d.split ("=", 2);