gobject-introspection r677 - in trunk: . docs gir girepository giscanner tests tests/invoke tests/scanner tests/types tools



Author: walters
Date: Sun Oct 12 04:51:48 2008
New Revision: 677
URL: http://svn.gnome.org/viewvc/gobject-introspection?rev=677&view=rev

Log:
Bug 552858: versioning

	This is a big patch.  You should probably remove your installation
	tree to be cleaner.

	* docs/typelib-format.txt: Add nsversion entry which holds
	version of namespace.
	* girepository/girepository.h: Add 'version' parameter to
	g_irepository_require.  This may be NULL.  Normally
	bindings should pass an explicit version though.
	* girepository/girepository.c: Lots of infrastructure to
	support versioning.  Add some more documentation.  Disallow
	some usage of NULL namespaces.
	* girepository/girmodule.c: Add version parameter.
	* girepository/gtypelib.c: Update header size.
	* giscanner/ast.py: Add version to Namespace.
	* giscanner/girparser.py: Parse version attribute from
	XML, pass to Namespace.
	* giscanner/girwriter.py: Write out version parameter.
	* giscanner/transformer.py: Clean up include registration.
	* tests/*: Add version attribute.
	* tests/invoke/invoke.c: Don't try looking up test before
	it's loaded in repository.
	* tools/generate.c: Output version parameter.
	* gir/Makefile.am: Add 2.0 version to .gir files.


Added:
   trunk/tests/scanner/annotation-1.0-expected.gir
      - copied, changed from r676, /trunk/tests/scanner/annotation-expected.gir
   trunk/tests/scanner/drawable-1.0-expected.gir
      - copied, changed from r676, /trunk/tests/scanner/drawable-expected.gir
   trunk/tests/scanner/foo-1.0-expected.gir
      - copied, changed from r676, /trunk/tests/scanner/foo-expected.gir
   trunk/tests/scanner/utility-1.0-expected.gir
      - copied, changed from r676, /trunk/tests/scanner/utility-expected.gir
Removed:
   trunk/tests/invoke/testfns.gir
   trunk/tests/scanner/annotation-expected.gir
   trunk/tests/scanner/drawable-expected.gir
   trunk/tests/scanner/foo-expected.gir
   trunk/tests/scanner/utility-expected.gir
Modified:
   trunk/ChangeLog
   trunk/docs/typelib-format.txt
   trunk/gir/Makefile.am
   trunk/girepository/girepository.c
   trunk/girepository/girepository.h
   trunk/girepository/girmodule.c
   trunk/girepository/girmodule.h
   trunk/girepository/girparser.c
   trunk/girepository/gtypelib.c
   trunk/girepository/gtypelib.h
   trunk/giscanner/ast.py
   trunk/giscanner/girparser.py
   trunk/giscanner/girwriter.py
   trunk/giscanner/glibtransformer.py
   trunk/giscanner/transformer.py
   trunk/tests/array.gir
   trunk/tests/boxed.gir
   trunk/tests/constant.gir
   trunk/tests/enum.gir
   trunk/tests/errors.gir
   trunk/tests/function.gir
   trunk/tests/interface.gir
   trunk/tests/invoke/Makefile.am
   trunk/tests/invoke/invoke.c
   trunk/tests/object.gir
   trunk/tests/scanner/Makefile.am
   trunk/tests/struct.gir
   trunk/tests/types.gir
   trunk/tests/types/Makefile.am
   trunk/tests/union.gir
   trunk/tests/xref1.gir
   trunk/tests/xref2.gir
   trunk/tools/g-ir-scanner
   trunk/tools/generate.c

Modified: trunk/docs/typelib-format.txt
==============================================================================
--- trunk/docs/typelib-format.txt	(original)
+++ trunk/docs/typelib-format.txt	Sun Oct 12 04:51:48 2008
@@ -112,6 +112,7 @@
 
   guint32   size;
   guint32   namespace;
+  guint32   nsversion;
   
   guint16   entry_blob_size;        /* 12 */
   guint16   function_blob_size;     /* 16 */
@@ -168,6 +169,8 @@
 
 namespace:
           Offset of the namespace string in the typelib. 
+nsversion:
+          Offset of the namespace version string in the typelib. 
 
 entry_blob_size:
 function_blob_size:

Modified: trunk/gir/Makefile.am
==============================================================================
--- trunk/gir/Makefile.am	(original)
+++ trunk/gir/Makefile.am	Sun Oct 12 04:51:48 2008
@@ -14,9 +14,9 @@
 GLIB_LIBRARY=glib-2.0
 endif
 
-GLib.gir: $(G_IR_SCANNER) $(G_IR_SCANNER_FILES) Makefile
+GLib-2.0.gir: $(G_IR_SCANNER) $(G_IR_SCANNER_FILES) Makefile
 	PYTHONPATH=$(top_builddir):$$PYTHONPATH $(G_IR_SCANNER) \
-	    -v --namespace GLib \
+	    -v --namespace GLib --nsversion=2.0 \
 	    --noclosure \
 	    --output $@ \
 	    --strip-prefix=g \
@@ -29,8 +29,8 @@
 	    $(GLIB_LIBDIR)/glib-2.0/include/glibconfig.h \
 	    $(GLIB_INCLUDEDIR)/glib/*.h
 	PYTHONPATH=$(top_builddir):$$PYTHONPATH $(G_IR_SCANNER) \
-	    --xpath-assertions=GLib-assertions.txt GLib.gir	
-BUILT_SOURCES += GLib.gir
+	    --xpath-assertions=GLib-assertions.txt GLib-2.0.gir	
+BUILT_SOURCES += GLib-2.0.gir
 
 # gobject
 GOBJECT_INCLUDEDIR=`pkg-config --variable=includedir gobject-2.0`/glib-2.0
@@ -42,20 +42,20 @@
 GOBJECT_LIBRARY=gobject-2.0
 endif
 
-GObject.gir: GLib.gir $(G_IR_SCANNER) $(G_IR_SCANNER_FILES) Makefile
+GObject-2.0.gir: GLib-2.0.gir $(G_IR_SCANNER) $(G_IR_SCANNER_FILES) Makefile
 	PYTHONPATH=$(top_builddir):$$PYTHONPATH $(G_IR_SCANNER) \
-	    -v --namespace GObject \
+	    -v --namespace GObject --nsversion=2.0 \
 	    --noclosure \
 	    --output $@ \
 	    --strip-prefix=g \
-            --include=$(top_builddir)/gir/GLib.gir \
+            --include=$(top_builddir)/gir/GLib-2.0.gir \
 	    --library=$(GOBJECT_LIBRARY) \
 	    -I$(GOBJECT_INCLUDEDIR) \
 	    -I$(GOBJECT_LIBDIR)/glib-2.0/include \
 	    -DGOBJECT_COMPILATION \
             --pkg glib-2.0 \
 	    $(GLIB_INCLUDEDIR)/gobject/*.h
-BUILT_SOURCES += GObject.gir
+BUILT_SOURCES += GObject-2.0.gir
 
 # gmodule
 GMODULE_INCLUDEDIR=`pkg-config --variable=includedir gmodule-2.0`/glib-2.0
@@ -67,19 +67,19 @@
 GMODULE_LIBRARY=gmodule-2.0
 endif
 
-GModule.gir: GLib.gir $(G_IR_SCANNER) $(G_IR_SCANNER_FILES)
+GModule-2.0.gir: GLib-2.0.gir $(G_IR_SCANNER) $(G_IR_SCANNER_FILES)
 	PYTHONPATH=$(top_builddir):$$PYTHONPATH $(G_IR_SCANNER) \
-	    -v --namespace GModule \
+	    -v --namespace GModule --nsversion=2.0 \
 	    --noclosure \
 	    --output $@ \
 	    --strip-prefix=g \
-            --include=$(top_builddir)/gir/GLib.gir \
+            --include=$(top_builddir)/gir/GLib-2.0.gir \
 	    --library=$(GMODULE_LIBRARY) \
 	    -I$(GMODULE_INCLUDEDIR) \
 	    -I$(GMODULE_LIBDIR)/glib-2.0/include \
             --pkg glib-2.0 \
 	    $(GLIB_INCLUDEDIR)/gmodule.h
-BUILT_SOURCES += GModule.gir
+BUILT_SOURCES += GModule-2.0.gir
 
 # gio
 GIO_INCLUDEDIR=`pkg-config --variable=includedir gio-2.0`/glib-2.0
@@ -91,13 +91,13 @@
 GIO_LIBRARY=gio-2.0
 endif
 
-Gio.gir: GObject.gir $(G_IR_SCANNER) $(G_IR_SCANNER_FILES) Makefile
+Gio-2.0.gir: GObject-2.0.gir $(G_IR_SCANNER) $(G_IR_SCANNER_FILES) Makefile
 	PYTHONPATH=$(top_builddir):$$PYTHONPATH $(G_IR_SCANNER) \
-	    -v --namespace Gio \
+	    -v --namespace Gio --nsversion=2.0 \
 	    --noclosure \
 	    --output $@ \
 	    --strip-prefix=g \
-            --include=$(top_builddir)/gir/GObject.gir \
+            --include=$(top_builddir)/gir/GObject-2.0.gir \
 	    --library=$(GIO_LIBRARY) \
 	    -I$(GIO_INCLUDEDIR) \
 	    -I$(GIO_LIBDIR)/glib-2.0/include \
@@ -105,7 +105,7 @@
             --pkg glib-2.0 \
             --pkg gobject-2.0 \
 	    $(GLIB_INCLUDEDIR)/gio/*.h
-BUILT_SOURCES += Gio.gir
+BUILT_SOURCES += Gio-2.0.gir
 CLEANFILES = $(BUILT_SOURCES)
 
 girdir=$(datadir)/gir
@@ -115,5 +115,5 @@
 	$(DEBUG) $(top_builddir)/tools/g-ir-compiler$(EXEEXT) --includedir=. $(G_IR_COMPILER_OPTS) $< -o $@
 
 typelibsdir = $(datadir)/girepository
-typelibs_DATA = GLib.typelib GModule.typelib GObject.typelib Gio.typelib
+typelibs_DATA = GLib-2.0.typelib GModule-2.0.typelib GObject-2.0.typelib Gio-2.0.typelib
 CLEANFILES += $(typelibs_DATA)

Modified: trunk/girepository/girepository.c
==============================================================================
--- trunk/girepository/girepository.c	(original)
+++ trunk/girepository/girepository.c	Sun Oct 12 04:51:48 2008
@@ -2,6 +2,8 @@
 /* GObject introspection: Repository implementation
  *
  * Copyright (C) 2005 Matthias Clasen
+ * Copyright (C) 2008 Colin Walters <walters verbum org>
+ * Copyright (C) 2008 Red Hat, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -35,7 +37,7 @@
 struct _GIRepositoryPrivate 
 {
   GHashTable *typelibs; /* (string) namespace -> GTypelib */
-  GHashTable *lazy_typelibs; /* (string) namespace -> GTypelib */
+  GHashTable *lazy_typelibs; /* (string) namespace-version -> GTypelib */
 };
 
 G_DEFINE_TYPE (GIRepository, g_irepository, G_TYPE_OBJECT);
@@ -59,6 +61,7 @@
   GIRepository *repository = G_IREPOSITORY (object);
 
   g_hash_table_destroy (repository->priv->typelibs);
+  g_hash_table_destroy (repository->priv->lazy_typelibs);
   
   (* G_OBJECT_CLASS (g_irepository_parent_class)->finalize) (G_OBJECT (repository));
 }
@@ -147,18 +150,51 @@
 }
 
 static GTypelib *
+check_version_conflict (GTypelib *typelib, 
+			const gchar *namespace,
+			const gchar *expected_version,
+			char       **version_conflict)
+{
+  Header *header;
+  const char *loaded_version;
+
+  if (expected_version == NULL)
+    {
+      if (version_conflict)
+	*version_conflict = NULL;
+      return typelib;
+    }
+  
+  header = (Header*)typelib->data;
+  loaded_version = g_typelib_get_string (typelib, header->nsversion);
+  g_assert (loaded_version != NULL);
+  
+  if (strcmp (expected_version, loaded_version) != 0)
+    {
+      if (version_conflict)
+	*version_conflict = (char*)loaded_version;
+      return NULL;
+    }
+  if (version_conflict)
+    *version_conflict = NULL;
+  return typelib;
+}
+
+static GTypelib *
 get_registered_status (GIRepository *repository,
 		       const char   *namespace,
+		       const char   *version,
 		       gboolean      allow_lazy,
-		       gboolean     *lazy_status)
+		       gboolean     *lazy_status,
+		       char        **version_conflict)
 {
   GTypelib *typelib;
   repository = get_repository (repository);
   if (lazy_status)
     *lazy_status = FALSE;
   typelib = g_hash_table_lookup (repository->priv->typelibs, namespace);
-  if (typelib)
-    return typelib;
+  if (typelib) 
+    return check_version_conflict (typelib, namespace, version, version_conflict);
   typelib = g_hash_table_lookup (repository->priv->lazy_typelibs, namespace);
   if (!typelib)
     return NULL;
@@ -166,14 +202,15 @@
     *lazy_status = TRUE;
   if (!allow_lazy)
     return NULL;
-  return typelib;
+  return check_version_conflict (typelib, namespace, version, version_conflict);
 }
 
 static GTypelib *
 get_registered (GIRepository *repository,
-		const char   *namespace)
+		const char   *namespace,
+		const char   *version)
 {
-  return get_registered_status (repository, namespace, TRUE, NULL);
+  return get_registered_status (repository, namespace, version, TRUE, NULL, NULL);
 }
 
 static gboolean
@@ -192,19 +229,28 @@
       for (i = 0; dependencies[i]; i++)
 	{
 	  char *dependency = dependencies[i];
+	  const char *last_dash;
+	  char *dependency_namespace;
+	  const char *dependency_version;
+
+	  last_dash = strrchr (dependency, '-');
+	  dependency_namespace = g_strndup (dependency, last_dash - dependency);
+	  dependency_version = last_dash+1;
 	      
-	  if (!g_irepository_require (repository, dependency, 
+	  if (!g_irepository_require (repository, dependency_namespace, dependency_version,
 				      0, error))
 	    {
+	      g_free (dependency_namespace);
 	      g_strfreev (dependencies);
 	      return FALSE;
 	    }
+	  g_free (dependency_namespace);
 	}
       g_strfreev (dependencies);
     }
   return TRUE;
 }
-			   
+
 static const char *
 register_internal (GIRepository *repository,
 		   const char   *source,
@@ -214,6 +260,7 @@
 {
   Header *header;
   const gchar *namespace;
+  const gchar *version;
   gboolean was_loaded;
   gboolean currently_lazy;
 
@@ -224,6 +271,7 @@
   g_return_val_if_fail (header != NULL, FALSE);
 
   namespace = g_typelib_get_string (typelib, header->namespace);
+  version = g_typelib_get_string (typelib, header->nsversion);
 
   if (lazy)
     {
@@ -268,7 +316,7 @@
 
   repository = get_repository (repository);
 
-  typelib = get_registered (repository, namespace);
+  typelib = get_registered (repository, namespace, NULL);
   g_return_val_if_fail (typelib != NULL, NULL);
 
   return get_typelib_dependencies (typelib);
@@ -282,28 +330,74 @@
 {
   Header *header;
   const char *namespace;
+  const char *nsversion;
   gboolean allow_lazy = flags & G_IREPOSITORY_LOAD_FLAG_LAZY;
   gboolean is_lazy;
+  char *version_conflict;
 
   repository = get_repository (repository);
 
   header = (Header *) typelib->data;
   namespace = g_typelib_get_string (typelib, header->namespace);
+  nsversion = g_typelib_get_string (typelib, header->nsversion);
 
-  if (get_registered_status (repository, namespace, allow_lazy, &is_lazy))
-    return namespace;
+  if (get_registered_status (repository, namespace, nsversion, allow_lazy, 
+			     &is_lazy, &version_conflict))
+    {
+      if (version_conflict != NULL)
+	{
+	  g_set_error (error, G_IREPOSITORY_ERROR,
+		       G_IREPOSITORY_ERROR_NAMESPACE_VERSION_CONFLICT,
+		       "Attempting to load namespace '%s', version '%s', but '%s' is already loaded",
+		       namespace, nsversion, version_conflict);
+	  return NULL;
+	}
+      return namespace;
+    }
   return register_internal (repository, "<builtin>", 
 			    allow_lazy, typelib, error);
 }
 
+/**
+ * g_irepository_is_registered
+ * @repository: A #GIRepository, may be %NULL for the default
+ * @namespace: Namespace of interest
+ * @version: <allow-none>: Required version, may be %NULL for latest
+ *
+ * Check whether a particular namespace (and optionally, a specific
+ * version thereof) is currently loaded.  This function is likely to
+ * only be useful in unusual circumstances; in order to act upon
+ * metadata in the namespace, you should call #g_irepository_require
+ * instead which will ensure the namespace is loaded, and return as
+ * quickly as this function will if it has already been loaded.
+ * 
+ * Returns: %TRUE if namespace-version is loaded, %FALSE otherwise
+ */
 gboolean
 g_irepository_is_registered (GIRepository *repository, 
-			     const gchar *namespace)
+			     const gchar *namespace,
+			     const gchar *version)
 {
   repository = get_repository (repository);
-  return get_registered (repository, namespace) != NULL;
+  return get_registered (repository, namespace, version) != NULL;
 }
 
+/**
+ * g_irepository_get_default
+ *
+ * Returns the singleton process-global default #GIRepository.  It is
+ * not currently supported to have multiple repositories in a
+ * particular process, but this function is provided in the unlikely
+ * eventuality that it would become possible, and as a convenience for
+ * higher level language bindings to conform to the GObject method
+ * call conventions.
+
+ * All methods on #GIRepository also accept %NULL as an instance
+ * parameter to mean this default repository, which is usually more
+ * convenient for C.
+ * 
+ * Returns: The global singleton #GIRepository 
+ */
 GIRepository * 
 g_irepository_get_default (void)
 {
@@ -321,30 +415,33 @@
   *n_interfaces += ((Header *)typelib)->n_local_entries;
 }
 
+/**
+ * g_irepository_get_n_infos
+ * @repository: A #GIRepository, may be %NULL for the default
+ * @namespace: Namespace to inspect
+ *
+ * This function returns the number of metadata entries in
+ * given namespace @namespace.  The namespace must have
+ * already been loaded before calling this function.
+ *
+ * Returns: number of metadata entries
+ */
 gint                   
 g_irepository_get_n_infos (GIRepository *repository,
 			   const gchar  *namespace)
 {
+  GTypelib *typelib;
   gint n_interfaces = 0;
 
+  g_return_val_if_fail (namespace != NULL, -1);
+
   repository = get_repository (repository);
   
-  if (namespace)
-    {
-      GTypelib *typelib;
+  typelib = get_registered (repository, namespace, NULL);
 
-      typelib = get_registered (repository, namespace);
+  g_return_val_if_fail (typelib != NULL, -1);
 
-      if (typelib)
-	n_interfaces = ((Header *)typelib->data)->n_local_entries;
-    }
-  else
-    {
-      g_hash_table_foreach (repository->priv->typelibs, 
-			    count_interfaces, &n_interfaces);
-      g_hash_table_foreach (repository->priv->lazy_typelibs, 
-			    count_interfaces, &n_interfaces);
-    }
+  n_interfaces = ((Header *)typelib->data)->n_local_entries;
 
   return n_interfaces;
 }
@@ -421,12 +518,27 @@
     }
 }
 
+/**
+ * g_irepository_get_info
+ * @repository: A #GIRepository, may be %NULL for the default
+ * @namespace: Namespace to inspect
+ * @index: Offset into namespace metadata for entry
+ *
+ * This function returns a particular metadata entry in the
+ * given namespace @namespace.  The namespace must have
+ * already been loaded before calling this function.
+ *
+ * Returns: #GIBaseInfo containing metadata
+ */
 GIBaseInfo * 
 g_irepository_get_info (GIRepository *repository,
 			const gchar  *namespace,
 			gint          index)
 {
   IfaceData data;
+  GTypelib *typelib;
+
+  g_return_val_if_fail (namespace != NULL, NULL);
 
   repository = get_repository (repository);
 
@@ -435,24 +547,29 @@
   data.index = index + 1;
   data.iface = NULL;
 
-  if (namespace)
-    {
-      GTypelib *typelib;
-      
-      typelib = get_registered (repository, namespace);
-      
-      if (typelib)
-	find_interface ((void *)namespace, typelib, &data);
-    }
-  else
-    {
-      g_hash_table_foreach (repository->priv->typelibs, find_interface, &data);
-      g_hash_table_foreach (repository->priv->lazy_typelibs, find_interface, &data);
-    }
+  typelib = get_registered (repository, namespace, NULL);
+  
+  g_return_val_if_fail (typelib != NULL, NULL);
+
+  find_interface ((void *)namespace, typelib, &data);
 
   return data.iface;  
 }
 
+/**
+ * g_irepository_find_by_gtype
+ * @repository: A #GIRepository, may be %NULL for the default
+ * @type: GType to search for
+ *
+ * Searches all loaded namespaces for a particular #GType.  Note that
+ * in order to locate the metadata, the namespace corresponding to
+ * the type must first have been loaded.  There is currently no
+ * mechanism for determining the namespace which corresponds to an
+ * arbitrary GType - thus, this function will function most reliably
+ * when you have expect the GType to be from a known namespace.
+ *
+ * Returns: #GIBaseInfo representing metadata about @type, or %NULL
+ */
 GIBaseInfo * 
 g_irepository_find_by_gtype (GIRepository *repository,
 			     GType         type)
@@ -475,12 +592,14 @@
 /**
  * g_irepository_find_by_name
  * @repository: A #GIRepository, may be %NULL for the default
- * @namespace: Namespace to search in, may be %NULL for all
- * @name: Name to find
+ * @namespace: Namespace which will be searched
+ * @name: Entry name to find
+ *
+ * Searches for a particular entry in a namespace.  Before calling
+ * this function for a particular namespace, you must call
+ * #g_irepository_require once to load the namespace, or otherwise
+ * ensure the namespace has already been loaded.
  *
- * Searches for a particular name in one or all namespaces.
- * See #g_irepository_require to load metadata for namespaces.
-
  * Returns: #GIBaseInfo representing metadata about @name, or %NULL
  */
 GIBaseInfo * 
@@ -489,6 +608,9 @@
 			    const gchar  *name)
 {
   IfaceData data;
+  GTypelib *typelib;
+
+  g_return_val_if_fail (namespace != NULL, NULL);
 
   repository = get_repository (repository);
 
@@ -497,20 +619,11 @@
   data.index = -1;
   data.iface = NULL;
 
-  if (namespace)
-    {
-      GTypelib *typelib;
-      
-      typelib = get_registered (repository, namespace);
-      
-      if (typelib)
-	find_interface ((void *)namespace, typelib, &data);
-    }
-  else
-    {
-      g_hash_table_foreach (repository->priv->typelibs, find_interface, &data);
-      g_hash_table_foreach (repository->priv->lazy_typelibs, find_interface, &data);
-    }
+  typelib = get_registered (repository, namespace, NULL);
+  
+  g_return_val_if_fail (typelib != NULL, NULL);
+
+  find_interface ((void *)namespace, typelib, &data);
 
   return data.iface;
 }
@@ -529,14 +642,12 @@
  * g_irepository_get_namespaces
  * @repository: A #GIRepository, may be %NULL for the default
  *
- * Return the list of currently known namespaces.  Normally
- * if you want a particular namespace, you should call 
- * #g_irepository_require to load it in.
-
- * Returns: List of namespaces
+ * Return the list of currently loaded namespaces.
+ *
+ * Returns: <utf8,transfer>: List of namespaces
  */
 gchar ** 
-g_irepository_get_namespaces (GIRepository *repository)
+g_irepository_get_loaded_namespaces (GIRepository *repository)
 {
   GList *l, *list = NULL;
   gchar **names;
@@ -556,18 +667,68 @@
   return names;
 }
 
+/**
+ * g_irepository_get_version
+ * @repository: A #GIRepository, may be %NULL for the default
+ * @namespace: Namespace to inspect
+ *
+ * This function returns the loaded version associated with the given
+ * namespace @namespace.
+ *
+ * Note: The namespace must have already been loaded using a function
+ * such as #g_irepository_require before calling this function.
+ *
+ * Returns: Loaded version
+ */
+const gchar *
+g_irepository_get_version (GIRepository *repository,
+			   const gchar  *namespace)
+{
+  GTypelib *typelib;
+  Header *header;
+
+  g_return_val_if_fail (namespace != NULL, NULL);
+
+  repository = get_repository (repository);
+
+  typelib = get_registered (repository, namespace, NULL);
+
+  g_return_val_if_fail (typelib != NULL, NULL);
+
+  header = (Header *) typelib->data;
+  return g_typelib_get_string (typelib, header->nsversion);
+}
+
+/**
+ * g_irepository_get_shared_library
+ * @repository: A #GIRepository, may be %NULL for the default
+ * @namespace: Namespace to inspect
+ *
+ * This function returns the full path to the shared C library
+ * associated with the given namespace @namespace. There may be no
+ * shared library path associated, in which case this function will
+ * return %NULL.
+ *
+ * Note: The namespace must have already been loaded using a function
+ * such as #g_irepository_require before calling this function.
+ *
+ * Returns: Full path to shared library, or %NULL if none associated
+ */
 const gchar *
 g_irepository_get_shared_library (GIRepository *repository,
-                                   const gchar  *namespace)
+				  const gchar  *namespace)
 {
   GTypelib *typelib;
   Header *header;
 
+  g_return_val_if_fail (namespace != NULL, NULL);
+
   repository = get_repository (repository);
 
-  typelib = get_registered (repository, namespace);
-  if (!typelib)
-    return NULL;
+  typelib = get_registered (repository, namespace, NULL);
+
+  g_return_val_if_fail (typelib != NULL, NULL);
+
   header = (Header *) typelib->data;
   if (header->shared_library)
     return g_typelib_get_string (typelib, header->shared_library);
@@ -579,13 +740,14 @@
  * g_irepository_get_typelib_path
  * @repository: Repository, may be %NULL for the default
  * @namespace: GI namespace to use, e.g. "Gtk"
+ * @version: <allow-none>: Version of namespace to use, e.g. "0.8", may be %NULL
  *
  * If namespace @namespace is loaded, return the full path to the
  * .typelib file it was loaded from.  If the typelib for 
  * namespace @namespace was included in a shared library, return
  * the special string "<builtin>".
  *
- * Returns: Filesystem path (or <builtin>) if successful, %NULL otherwise
+ * Returns: Filesystem path (or <builtin>) if successful, %NULL if namespace is not loaded
  */
 
 const gchar * 
@@ -607,94 +769,323 @@
   return ((char*)orig_key) + strlen ((char *) orig_key) + 1;
 }
 
+/* This simple search function looks for a specified namespace-version;
+   it's faster than the full directory listing required for latest version. */
+static GMappedFile *
+find_namespace_version (const gchar  *namespace,
+			const gchar  *version,
+			gchar       **path_ret)
+{
+  GSList *ldir;
+  GError *error = NULL;
+  GMappedFile *mfile = NULL;
+  char *fname;
+ 
+  fname = g_strdup_printf ("%s-%s.typelib", namespace, version);
+
+  for (ldir = search_path; ldir; ldir = ldir->next)
+    {
+      Header *header;
+      char *path = g_build_filename (ldir->data, fname, NULL);
+      
+      mfile = g_mapped_file_new (path, FALSE, &error);
+      if (error)
+	{
+	  g_free (path);
+	  g_clear_error (&error);
+	  continue;
+	}
+      *path_ret = path;
+      break;
+    }
+  g_free (fname);
+  return mfile;
+}
+
+static gboolean
+parse_version (const char *version,
+	       int *major,
+	       int *minor)
+{
+  const char *dot;
+  const char *end;
+
+  *major = strtol (version, &end, 10);
+  dot = strchr (version, '.');
+  if (dot == NULL)
+    {
+      *minor = 0;
+      return TRUE;
+    }
+  if (dot != end)
+    return FALSE;
+  *minor = strtol (dot+1, &end, 10);
+  if (end != (version + strlen (version)))
+    return FALSE;
+  return TRUE;
+}
+
+static int
+compare_version (const char *v1,
+		 const char *v2)
+{
+  gboolean err;
+  int v1_major, v1_minor;
+  int v2_major, v2_minor;
+  
+  err = parse_version (v1, &v1_major, &v1_minor);
+  g_assert (!err);
+
+  err = parse_version (v2, &v2_major, &v2_minor);
+  g_assert (!err);
+
+  if (v1_major > v2_major)
+    return 1;
+  else if (v2_major > v1_major)
+    return -1;
+  else if (v1_minor > v2_minor)
+    return 1;
+  else if (v2_minor > v1_minor)
+    return -1;
+  return 0;
+}
+
+struct NamespaceVersionCandidadate
+{
+  GMappedFile *mfile;
+  char *path;
+  char *version;
+};
+
+static int
+compare_candidate_reverse (struct NamespaceVersionCandidadate *c1,
+			   struct NamespaceVersionCandidadate *c2)
+{
+  int result = compare_version (c1->version, c2->version);
+  if (result > 0)
+    return -1;
+  else if (result < 0)
+    return 1;
+  else
+    return 0;
+}
+
+static void
+free_candidate (struct NamespaceVersionCandidadate *candidate)
+{
+  g_mapped_file_free (candidate->mfile);
+  g_free (candidate->path);
+  g_free (candidate->version);
+  g_free (candidate);
+}
+
+static GMappedFile *
+find_namespace_latest (const gchar  *namespace,
+		       gchar       **version_ret,
+		       gchar       **path_ret)
+{
+  GSList *ldir;
+  GError *error = NULL;
+  char *namespace_dash;
+  char *namespace_typelib;
+  GSList *candidates = NULL;
+  GMappedFile *result = NULL;
+
+  *version_ret = NULL;
+  *path_ret = NULL;
+
+  namespace_dash = g_strdup_printf ("%s-", namespace);
+  namespace_typelib = g_strdup_printf ("%s.typelib", namespace);
+ 
+  for (ldir = search_path; ldir; ldir = ldir->next)
+    {
+      GDir *dir;
+      const char *dirname;
+      const char *entry;
+
+      dirname = (const char*)ldir->data;
+      dir = g_dir_open (dirname, 0, NULL);
+      if (dir == NULL)
+	continue;
+      while ((entry = g_dir_read_name (dir)) != NULL) 
+	{
+	  GMappedFile *mfile;
+	  char *path, *version;
+	  struct NamespaceVersionCandidadate *candidate;
+
+	  if (!g_str_has_suffix (entry, ".typelib"))
+	    continue;
+	  
+	  if (g_str_has_prefix (entry, namespace_dash))
+	    {
+	      const char *last_dash;
+	      const char *name_end;
+	      int major, minor;
+
+	      name_end = strrchr (entry, '.');
+	      last_dash = strrchr (entry, '-');
+	      version = g_strndup (last_dash+1, name_end-(last_dash+1));
+	      if (!parse_version (version, &major, &minor))
+		continue;
+	    }
+	  else
+	    continue;
+
+	  path = g_build_filename (dirname, entry, NULL);
+	  mfile = g_mapped_file_new (path, FALSE, &error);
+	  if (mfile == NULL)
+	    {
+	      g_free (path);
+	      g_free (version);
+	      g_clear_error (&error);
+	      continue;
+	    }
+	  candidate = g_new0 (struct NamespaceVersionCandidadate, 1);
+	  candidate->mfile = mfile;
+	  candidate->path = path;
+	  candidate->version = version;
+	  candidates = g_slist_prepend (candidates, candidate);
+	}
+      g_dir_close (dir);
+    }
+
+  if (candidates != NULL)
+    {
+      struct NamespaceVersionCandidadate *elected;
+      candidates = g_slist_sort (candidates, (GCompareFunc) compare_candidate_reverse);
+      
+      elected = (struct NamespaceVersionCandidadate *) candidates->data;
+      /* Remove the elected one so we don't try to free it */
+      candidates = g_slist_delete_link (candidates, candidates);
+      
+      result = elected->mfile;
+      *path_ret = elected->path;
+      *version_ret = elected->version;
+      g_slist_foreach (candidates, (GFunc) free_candidate, NULL);
+      g_slist_free (candidates);
+    }  
+
+  g_free (namespace_dash);
+  g_free (namespace_typelib);
+  return result;
+}
+
 /**
  * g_irepository_require
- * @repository: Repository, may be %NULL for the default
+ * @repository: <allow-none>: Repository, may be %NULL for the default
  * @namespace: GI namespace to use, e.g. "Gtk"
+ * @version: <allow-none>: Version of namespace, may be %NULL for latest
  * @flags: Set of %GIRepositoryLoadFlags, may be %0
  * @error: a #GError.
  *
- * Force the namespace @namespace to be loaded if it isn't
- * already.  If @namespace is not loaded, this function will
- * search for a ".typelib" file using the repository search 
- * path.
+ * Force the namespace @namespace to be loaded if it isn't already.
+ * If @namespace is not loaded, this function will search for a
+ * ".typelib" file using the repository search path.  In addition, a
+ * version @version of namespace may be specified.  If @version is
+ * not specified, the latest will be used.
  *
  * Returns: %TRUE if successful, %NULL otherwise
  */
 gboolean
 g_irepository_require (GIRepository  *repository,
 		       const gchar   *namespace,
+		       const gchar   *version,
 		       GIRepositoryLoadFlags flags,
 		       GError       **error)
 {
-  GSList *ldir;
   const char *dir;
-  gchar *fname, *full_path;
   GMappedFile *mfile;
+  gboolean ret = FALSE;
   GError *error1 = NULL;
+  Header *header;
   GTypelib *typelib = NULL;
-  const gchar *typelib_namespace, *shlib_fname;
+  const gchar *typelib_namespace, *typelib_version, *shlib_fname;
   GModule *module;
   guint32 shlib;
-  gboolean allow_lazy = flags & G_IREPOSITORY_LOAD_FLAG_LAZY;
+  gboolean allow_lazy = (flags & G_IREPOSITORY_LOAD_FLAG_LAZY) > 0;
   gboolean is_lazy;
+  char *version_conflict = NULL;
+  char *path = NULL;
+  char *tmp_version = NULL;
+
+  g_return_val_if_fail (namespace != NULL, FALSE);
 
   repository = get_repository (repository);
 
-  if (get_registered_status (repository, namespace, allow_lazy, &is_lazy))
+  if (get_registered_status (repository, namespace, version, allow_lazy, 
+			     &is_lazy, &version_conflict))
     return TRUE;
 
-  fname = g_strconcat (namespace, ".typelib", NULL);
-
-  for (ldir = search_path; ldir; ldir = ldir->next)
+  if (version_conflict != NULL)
     {
-      Header *header;
-      
-      full_path = g_build_filename (ldir->data, fname, NULL);
-      mfile = g_mapped_file_new (full_path, FALSE, &error1);
-      if (error1)
-	{
-	  g_clear_error (&error1);
-	  continue;
-	}
-
-      typelib = g_typelib_new_from_mapped_file (mfile);
-      header = (Header *) typelib->data;
-      typelib_namespace = g_typelib_get_string (typelib, header->namespace);
+      g_set_error (error, G_IREPOSITORY_ERROR,
+		   G_IREPOSITORY_ERROR_NAMESPACE_VERSION_CONFLICT,
+		   "Requiring namespace '%s' version '%s', but '%s' is already loaded",
+		   namespace, version, version_conflict);
+      return FALSE;
+    }
 
-      if (strcmp (typelib_namespace, namespace) != 0)
-	{
-	  g_set_error (error, G_IREPOSITORY_ERROR,
-		       G_IREPOSITORY_ERROR_NAMESPACE_MISMATCH,
-		       "Typelib file %s for namespace '%s' contains "
-		       "namespace '%s' which doesn't match the file name",
-		       full_path, namespace, typelib_namespace);
-	  g_free (full_path);
-	  return FALSE; 
-	}
-      break;
-  }
+  if (version != NULL)
+    {
+      mfile = find_namespace_version (namespace, version, &path);
+      tmp_version = g_strdup (version);
+    }
+  else
+    {
+      mfile = find_namespace_latest (namespace, &tmp_version, &path);
+    }
+  
+  if (mfile == NULL)
+    {
+      const char *error_fmt;
+      if (version != NULL)
+	g_set_error (error, G_IREPOSITORY_ERROR,
+		     G_IREPOSITORY_ERROR_TYPELIB_NOT_FOUND,
+		     "Typelib file %s for namespace '%s', version '%s' not found",
+		     namespace, version);
+      else
+	g_set_error (error, G_IREPOSITORY_ERROR,
+		     G_IREPOSITORY_ERROR_TYPELIB_NOT_FOUND,
+		     "Typelib file for namespace '%s' (any version) not found",
+		     namespace);
+      goto out;
+    }
 
-  if (typelib == NULL)
+  typelib = g_typelib_new_from_mapped_file (mfile);
+  header = (Header *) typelib->data;
+  typelib_namespace = g_typelib_get_string (typelib, header->namespace);
+  typelib_version = g_typelib_get_string (typelib, header->nsversion);
+  
+  if (strcmp (typelib_namespace, namespace) != 0)
     {
       g_set_error (error, G_IREPOSITORY_ERROR,
-		   G_IREPOSITORY_ERROR_TYPELIB_NOT_FOUND,
-		   "Typelib file for namespace '%s' was not found in search"
-		   " path or could not be openened", namespace);
-      g_free (full_path);
-      return FALSE;
+		   G_IREPOSITORY_ERROR_NAMESPACE_MISMATCH,
+		   "Typelib file %s for namespace '%s' contains "
+		   "namespace '%s' which doesn't match the file name",
+		   path, namespace, typelib_namespace);
+      goto out;
+    }
+  if (version != NULL && strcmp (typelib_version, version) != 0)
+    {
+      g_set_error (error, G_IREPOSITORY_ERROR,
+		   G_IREPOSITORY_ERROR_NAMESPACE_MISMATCH,
+		   "Typelib file %s for namespace '%s' contains "
+		   "version '%s' which doesn't match the expected version '%s'",
+		   path, namespace, typelib_version, version);
+      goto out;
     }
 
-  g_free (fname);
-  if (!register_internal (repository, full_path, allow_lazy, 
+  if (!register_internal (repository, path, allow_lazy, 
 			  typelib, error))
     {
       g_typelib_free (typelib);
-      g_free (full_path);
-      return FALSE;
+      goto out;
     }
-  g_free (full_path);
-  return TRUE; 
+  ret = TRUE;
+ out:
+  g_free (tmp_version);
+  g_free (path);
+  return ret; 
 }
 
 

Modified: trunk/girepository/girepository.h
==============================================================================
--- trunk/girepository/girepository.h	(original)
+++ trunk/girepository/girepository.h	Sun Oct 12 04:51:48 2008
@@ -82,17 +82,19 @@
 					   GIRepositoryLoadFlags flags,
 					   GError      **error);
 gboolean      g_irepository_is_registered (GIRepository *repository, 
-					   const gchar  *namespace);
+					   const gchar  *namespace,
+					   const gchar  *version);
 GIBaseInfo *  g_irepository_find_by_name  (GIRepository *repository,
 					   const gchar  *namespace,
 					   const gchar  *name);
 gboolean      g_irepository_require       (GIRepository *repository,
-					   const char   *namespace,
+					   const gchar  *namespace,
+					   const gchar  *version,           
 					   GIRepositoryLoadFlags flags,
 					   GError      **error);
 gchar      ** g_irepository_get_dependencies (GIRepository *repository,
-					      const char *namespace);
-gchar      ** g_irepository_get_namespaces (GIRepository *repository);
+					      const gchar  *namespace);
+gchar      ** g_irepository_get_loaded_namespaces (GIRepository *repository);
 GIBaseInfo *  g_irepository_find_by_gtype (GIRepository *repository,
 					   GType         gtype);
 gint          g_irepository_get_n_infos   (GIRepository *repository,
@@ -104,6 +106,9 @@
 						const gchar  *namespace);
 const gchar * g_irepository_get_shared_library (GIRepository *repository,
 						const gchar  *namespace);
+const gchar * g_irepository_get_version (GIRepository *repository,
+					 const gchar  *namespace);
+
 /* Typelib */
 
 GTypelib *   g_typelib_new_from_memory       (guchar       *memory,
@@ -112,6 +117,7 @@
                                                 gsize         len);
 GTypelib *   g_typelib_new_from_mapped_file  (GMappedFile  *mfile);
 void          g_typelib_free                  (GTypelib    *typelib);
+
 gboolean      g_typelib_symbol                (GTypelib    *typelib,
                                                const gchar *symbol_name,
                                                gpointer    *symbol);
@@ -121,6 +127,7 @@
 {
   G_IREPOSITORY_ERROR_TYPELIB_NOT_FOUND,
   G_IREPOSITORY_ERROR_NAMESPACE_MISMATCH,
+  G_IREPOSITORY_ERROR_NAMESPACE_VERSION_CONFLICT,
   G_IREPOSITORY_ERROR_LIBRARY_NOT_FOUND
 } GIRepositoryError;
 

Modified: trunk/girepository/girmodule.c
==============================================================================
--- trunk/girepository/girmodule.c	(original)
+++ trunk/girepository/girmodule.c	Sun Oct 12 04:51:48 2008
@@ -29,13 +29,16 @@
 
 
 GIrModule *
-g_ir_module_new (const gchar *name, const gchar *shared_library)
+g_ir_module_new (const gchar *name, 
+		 const gchar *version,
+		 const gchar *shared_library)
 {
   GIrModule *module;
   
   module = g_new0 (GIrModule, 1);
 
   module->name = g_strdup (name);
+  module->version = g_strdup (version);
   if (shared_library)
       module->shared_library = g_strdup (shared_library);
   else
@@ -156,6 +159,7 @@
     header->dependencies = 0;
   header->size = 0; /* filled in later */
   header->namespace = write_string (module->name, strings, data, &header_size);
+  header->nsversion = write_string (module->version, strings, data, &header_size);
   header->shared_library = (module->shared_library?
                              write_string (module->shared_library, strings, data, &header_size)
                              : 0);

Modified: trunk/girepository/girmodule.h
==============================================================================
--- trunk/girepository/girmodule.h	(original)
+++ trunk/girepository/girmodule.h	Sun Oct 12 04:51:48 2008
@@ -32,12 +32,14 @@
 struct _GIrModule
 { 
   gchar *name;
+  gchar *version;
   gchar *shared_library;
   GList *dependencies;
   GList *entries;
 };
 
 GIrModule *g_ir_module_new            (const gchar *name,
+				       const gchar *nsversion,
 				       const gchar *module_filename);
 void       g_ir_module_free           (GIrModule  *module);
 

Modified: trunk/girepository/girparser.c
==============================================================================
--- trunk/girepository/girparser.c	(original)
+++ trunk/girepository/girparser.c	Sun Oct 12 04:51:48 2008
@@ -2050,7 +2050,7 @@
       g_set_error (error,
 		   G_MARKUP_ERROR,
 		   G_MARKUP_ERROR_INVALID_CONTENT,
-		   "Could not find GIR file '%s'; check XDG_DATA_DIRS or use --includedir",
+		   "Could not find GIR file '%s.gir'; check XDG_DATA_DIRS or use --includedir",
 		   name);
       return FALSE;
     }
@@ -2260,16 +2260,19 @@
     case 'n':
       if (strcmp (element_name, "namespace") == 0 && ctx->state == STATE_REPOSITORY)
 	{
-	  const gchar *name, *shared_library;
+	  const gchar *name, *version, *shared_library;
 	  
 	  name = find_attribute ("name", attribute_names, attribute_values);
+	  version = find_attribute ("version", attribute_names, attribute_values);
 	  shared_library = find_attribute ("shared-library", attribute_names, attribute_values);
 
 	  if (name == NULL)
 	    MISSING_ATTRIBUTE (context, error, element_name, "name");
+	  else if (version == NULL)
+	    MISSING_ATTRIBUTE (context, error, element_name, "version");
 	  else
 	    {
-	      ctx->current_module = g_ir_module_new (name, shared_library);
+	      ctx->current_module = g_ir_module_new (name, version, shared_library);
 	      ctx->modules = g_list_append (ctx->modules, ctx->current_module);
 	      ctx->current_module->dependencies = ctx->dependencies;
 

Modified: trunk/girepository/gtypelib.c
==============================================================================
--- trunk/girepository/gtypelib.c	(original)
+++ trunk/girepository/gtypelib.c	Sun Oct 12 04:51:48 2008
@@ -153,7 +153,7 @@
       size_check_ok = FALSE; \
     }
   
-  CHECK_SIZE (Header, 104);
+  CHECK_SIZE (Header, 108);
   CHECK_SIZE (DirEntry, 12);
   CHECK_SIZE (SimpleTypeBlob, 4);
   CHECK_SIZE (ArgBlob, 12);

Modified: trunk/girepository/gtypelib.h
==============================================================================
--- trunk/girepository/gtypelib.h	(original)
+++ trunk/girepository/gtypelib.h	Sun Oct 12 04:51:48 2008
@@ -61,6 +61,7 @@
 
   guint32 size;
   guint32 namespace;
+  guint32 nsversion;
   guint32 shared_library;
 
   guint16 entry_blob_size;

Modified: trunk/giscanner/ast.py
==============================================================================
--- trunk/giscanner/ast.py	(original)
+++ trunk/giscanner/ast.py	Sun Oct 12 04:51:48 2008
@@ -135,13 +135,14 @@
 
 class Namespace(Node):
 
-    def __init__(self, name):
+    def __init__(self, name, version):
         Node.__init__(self, name)
+        self.version = version
         self.nodes = []
 
     def __repr__(self):
-        return '%s(%r, %r)' % (self.__class__.__name__, self.name,
-                               self.nodes)
+        return '%s(%r, %r, %r)' % (self.__class__.__name__, self.name,
+                                   self.version, self.nodes)
 
 
 class Function(Node):

Modified: trunk/giscanner/girparser.py
==============================================================================
--- trunk/giscanner/girparser.py	(original)
+++ trunk/giscanner/girparser.py	Sun Oct 12 04:51:48 2008
@@ -84,10 +84,10 @@
         assert root.tag == _corens('repository')
         for node in root.getchildren():
             if node.tag == _corens('include'):
-                self._includes.add(node.attrib['name'])
+                self._includes.add((node.attrib['name']))
         ns = root.find(_corens('namespace'))
         assert ns is not None
-        self._namespace = Namespace(ns.attrib['name'])
+        self._namespace = Namespace(ns.attrib['name'], ns.attrib['version'])
         self._shared_libraries.extend(ns.attrib['shared-library'].split(','))
         for child in ns.getchildren():
             self._parse_node(child)

Modified: trunk/giscanner/girwriter.py
==============================================================================
--- trunk/giscanner/girwriter.py	(original)
+++ trunk/giscanner/girwriter.py	Sun Oct 12 04:51:48 2008
@@ -43,7 +43,7 @@
             ('xmlns:glib', 'http://www.gtk.org/introspection/glib/1.0'),
             ]
         with self.tagcontext('repository', attrs):
-            for include in includes:
+            for include in sorted(includes):
                 self._write_include(include)
             self._write_namespace(namespace, shlibs)
 
@@ -57,6 +57,7 @@
             libraries.append(os.path.basename(l))
 
         attrs = [('name', namespace.name),
+                 ('version', namespace.version),
                  ('shared-library', ','.join(libraries))]
         with self.tagcontext('namespace', attrs):
             for node in namespace.nodes:

Modified: trunk/giscanner/glibtransformer.py
==============================================================================
--- trunk/giscanner/glibtransformer.py	(original)
+++ trunk/giscanner/glibtransformer.py	Sun Oct 12 04:51:48 2008
@@ -141,7 +141,7 @@
             self._validate(nodes)
 
         # Create a new namespace with what we found
-        namespace = Namespace(namespace.name)
+        namespace = Namespace(namespace.name, namespace.version)
         namespace.nodes = map(lambda x: x[1], self._names.aliases.itervalues())
         for (ns, x) in self._names.names.itervalues():
             namespace.nodes.append(x)

Modified: trunk/giscanner/transformer.py
==============================================================================
--- trunk/giscanner/transformer.py	(original)
+++ trunk/giscanner/transformer.py	Sun Oct 12 04:51:48 2008
@@ -63,9 +63,9 @@
 
 class Transformer(object):
 
-    def __init__(self, generator, namespace_name):
+    def __init__(self, generator, namespace_name, namespace_version):
         self.generator = generator
-        self._namespace = Namespace(namespace_name)
+        self._namespace = Namespace(namespace_name, namespace_version)
         self._names = Names()
         self._typedefs_ns = {}
         self._strip_prefix = ''
@@ -96,36 +96,37 @@
         return self._namespace
 
     def register_include(self, filename):
-        (path, suffix) = os.path.splitext(filename)
-        name = os.path.basename(path)
+        (dirname, basename) = os.path.split(filename)
+        if dirname:
+            path = filename
+            (name, suffix) = os.path.splitext(basename)
+        else:
+            path = None
+            name = filename
+            if name.endswith('.gir'):
+                (name, suffix) = os.path.splitext(name)
         if name in self._includes:
             return
-        if suffix == '':
-            suffix = '.gir'
-            filename = path + suffix
-        if suffix == '.gir':
-            source = filename
-            if not os.path.exists(filename):
-                searchdirs = [os.path.join(d, 'gir') for d \
-                                  in _xdg_data_dirs]
-                searchdirs.extend(self._includepaths)
-                source = None
-                for d in searchdirs:
-                    source = os.path.join(d, filename)
-                    if os.path.exists(source):
-                        break
-                    source = None
-            if not source:
+        source = filename
+        if path is None:
+            girname = name + '.gir'
+            searchdirs = [os.path.join(d, 'gir') for d \
+                              in _xdg_data_dirs]
+            searchdirs.extend(self._includepaths)
+            for d in searchdirs:
+                path = os.path.join(d, girname)
+                if os.path.exists(path):
+                    break
+                path = None
+            if not path:
                 raise ValueError("Couldn't find include %r (search path: %r)"\
-                                     % (filename, searchdirs))
-            d = os.path.dirname(source)
-            if d not in self._includepaths:
-                self._includepaths.append(d)
-            self._includes.add(name)
-            from .girparser import GIRParser
-            parser = GIRParser(source)
-        else:
-            raise NotImplementedError(filename)
+                                     % (girname, searchdirs))
+        d = os.path.dirname(path)
+        if d not in self._includepaths:
+            self._includepaths.append(d)
+        self._includes.add(name)
+        from .girparser import GIRParser
+        parser = GIRParser(path)
         for include in parser.get_includes():
             self.register_include(include)
         nsname = parser.get_namespace().name

Modified: trunk/tests/array.gir
==============================================================================
--- trunk/tests/array.gir	(original)
+++ trunk/tests/array.gir	Sun Oct 12 04:51:48 2008
@@ -3,7 +3,7 @@
             xmlns="http://www.gtk.org/introspection/core/1.0";
             xmlns:c="http://www.gtk.org/introspection/c/1.0";
             xmlns:glib="http://www.gtk.org/introspection/glib/1.0";>
-  <namespace name="Foo">
+  <namespace name="Foo" version="1.0">
     <function name="test1" c:identifier="test1">
       <return-value>
         <type name="boolean" c:type="gboolean"/>

Modified: trunk/tests/boxed.gir
==============================================================================
--- trunk/tests/boxed.gir	(original)
+++ trunk/tests/boxed.gir	Sun Oct 12 04:51:48 2008
@@ -3,7 +3,7 @@
             xmlns="http://www.gtk.org/introspection/core/1.0";
             xmlns:c="http://www.gtk.org/introspection/c/1.0";
             xmlns:glib="http://www.gtk.org/introspection/glib/1.0";>
-  <namespace name="Foo">
+  <namespace name="Foo" version="1.0">
     <glib:boxed glib:name="BoxedType1" glib:type-name="boxed1" glib:get-type="boxed1_get_type" deprecated="1">
       <field name="field1" readable="1" writable="1" offset="0">
         <type name="uint32"/>

Modified: trunk/tests/constant.gir
==============================================================================
--- trunk/tests/constant.gir	(original)
+++ trunk/tests/constant.gir	Sun Oct 12 04:51:48 2008
@@ -3,7 +3,7 @@
             xmlns="http://www.gtk.org/introspection/core/1.0";
             xmlns:c="http://www.gtk.org/introspection/c/1.0";
             xmlns:glib="http://www.gtk.org/introspection/glib/1.0";>
-  <namespace name="Foo">
+  <namespace name="Foo" version="1.0">
     <constant name="constant1" value="42">
       <type name="int"/>
     </constant>

Modified: trunk/tests/enum.gir
==============================================================================
--- trunk/tests/enum.gir	(original)
+++ trunk/tests/enum.gir	Sun Oct 12 04:51:48 2008
@@ -3,7 +3,7 @@
             xmlns="http://www.gtk.org/introspection/core/1.0";
             xmlns:c="http://www.gtk.org/introspection/c/1.0";
             xmlns:glib="http://www.gtk.org/introspection/glib/1.0";>
-  <namespace name="Foo">
+  <namespace name="Foo" version="1.0">
     <enumeration name="Enum1" glib:type-name="FooEnum" glib:get-type="foo_enum_get_type">
       <member name="value1" value="0" />
       <member name="value2" value="1" />

Modified: trunk/tests/errors.gir
==============================================================================
--- trunk/tests/errors.gir	(original)
+++ trunk/tests/errors.gir	Sun Oct 12 04:51:48 2008
@@ -3,7 +3,7 @@
             xmlns="http://www.gtk.org/introspection/core/1.0";
             xmlns:c="http://www.gtk.org/introspection/c/1.0";
             xmlns:glib="http://www.gtk.org/introspection/glib/1.0";>
-  <namespace name="Foo">
+  <namespace name="Foo" version="1.0">
     <enum name="ErrorCodes1" type-name="ErrorCodes1" get-type="foo_error_codes1_get_type">
       <member name="e1" value="0" />
       <member name="e2" value="1" deprecated="1" />

Modified: trunk/tests/function.gir
==============================================================================
--- trunk/tests/function.gir	(original)
+++ trunk/tests/function.gir	Sun Oct 12 04:51:48 2008
@@ -3,7 +3,7 @@
             xmlns="http://www.gtk.org/introspection/core/1.0";
             xmlns:c="http://www.gtk.org/introspection/c/1.0";
             xmlns:glib="http://www.gtk.org/introspection/glib/1.0";>
-  <namespace name="Foo">
+  <namespace name="Foo" version="1.0">
     <boxed name="Boxed1" type-name="Boxed1" get-type="boxed1_get_type">
     </boxed>
     <function name="test1" symbol="test1" deprecated="1">

Modified: trunk/tests/interface.gir
==============================================================================
--- trunk/tests/interface.gir	(original)
+++ trunk/tests/interface.gir	Sun Oct 12 04:51:48 2008
@@ -3,7 +3,7 @@
             xmlns="http://www.gtk.org/introspection/core/1.0";
             xmlns:c="http://www.gtk.org/introspection/c/1.0";
             xmlns:glib="http://www.gtk.org/introspection/glib/1.0";>
-  <namespace name="Foo">
+  <namespace name="Foo" version="1.0">
     <interface name="Iface1" glib:type-name="Iface1" glib:get-type="iface1_get_type">
       <requires>
         <interface name="Iface2" />

Modified: trunk/tests/invoke/Makefile.am
==============================================================================
--- trunk/tests/invoke/Makefile.am	(original)
+++ trunk/tests/invoke/Makefile.am	Sun Oct 12 04:51:48 2008
@@ -20,8 +20,8 @@
 BUILT_SOURCES = testfns-metadata.c
 CLEANFILES = testfns-metadata.c 
 
-testfns-metadata.c: testfns.gir $(top_builddir)/tools/g-ir-compiler Makefile
-	$(CHECK_DEBUG) $(top_builddir)/tools/g-ir-compiler $(srcdir)/testfns.gir --code -o testfns-metadata.c
+testfns-metadata.c: testfns-1.0.gir $(top_builddir)/tools/g-ir-compiler Makefile
+	$(CHECK_DEBUG) $(top_builddir)/tools/g-ir-compiler $(srcdir)/testfns-1.0.gir --code -o testfns-metadata.c
 
 invoke_SOURCES = invoke.c
 invoke_CFLAGS = $(GIREPO_CFLAGS)  -I$(top_srcdir)/girepository

Modified: trunk/tests/invoke/invoke.c
==============================================================================
--- trunk/tests/invoke/invoke.c	(original)
+++ trunk/tests/invoke/invoke.c	Sun Oct 12 04:51:48 2008
@@ -25,10 +25,8 @@
 
   rep = g_irepository_get_default ();
 
-  g_print ("before dlopening %s: %d infos in the repository\n", 
-	   testfns,
-	   g_irepository_get_n_infos (rep, "test"));
-
+  g_assert (!g_irepository_is_registered (NULL, "test", NULL));
+  
   handle = g_module_open (testfns, 0);
   if (!handle)
     {
@@ -36,6 +34,8 @@
       return 1;
     }
 
+  g_assert (g_irepository_is_registered (NULL, "test", NULL));
+
   g_print ("after dlopening %s: %d infos in the repository\n", 
 	   testfns,
 	   g_irepository_get_n_infos (rep, "test"));

Modified: trunk/tests/object.gir
==============================================================================
--- trunk/tests/object.gir	(original)
+++ trunk/tests/object.gir	Sun Oct 12 04:51:48 2008
@@ -3,8 +3,8 @@
             xmlns="http://www.gtk.org/introspection/core/1.0";
             xmlns:c="http://www.gtk.org/introspection/c/1.0";
             xmlns:glib="http://www.gtk.org/introspection/glib/1.0";>
-  <include name="GObject"/>
-  <namespace name="Foo">
+  <include name="GObject-2.0"/>
+  <namespace name="Foo" version="1.0">
     <interface name="IFace1" glib:type-name="IFace1" glib:get-type="iface1_get_type">
     </interface>
     <class name="Object1" parent="Object2" glib:type-name="Object1" glib:get-type="object1_get_type">

Modified: trunk/tests/scanner/Makefile.am
==============================================================================
--- trunk/tests/scanner/Makefile.am	(original)
+++ trunk/tests/scanner/Makefile.am	Sun Oct 12 04:51:48 2008
@@ -34,28 +34,52 @@
 BUILT_SOURCES = $(TYPELIBS) $(TXMLS) $(GIRS)
 EXTRA_DIST = $(EXPECTEDGIRS)
 
-%.gir: lib%.la %.c %.h utility.gir $(SCANNER) $(SCANNER_LIBS) Makefile
+annotation-1.0.gir: libannotation.la annotation.c annotation.h utility-1.0.gir $(SCANNER) $(SCANNER_LIBS) Makefile
 	PYTHONPATH=$(top_builddir):$$PYTHONPATH $(CHECK_DEBUG) $(SCANNER) -v \
-	--include=$(top_srcdir)/gir/GObject.gir \
-	--include=$(top_builddir)/tests/scanner/utility.gir \
-	--library=$* \
-	--namespace=$* \
+	--include=$(top_srcdir)/gir/GObject-2.0.gir \
+	--include=$(top_builddir)/tests/scanner/utility-1.0.gir \
+	--library=annotation \
+	--namespace=annotation \
+	--nsversion=1.0 \
 	--pkg gobject-2.0 \
-	$(srcdir)/$*.h $(srcdir)/$*.c \
+	$(srcdir)/annotation.h $(srcdir)/annotation.c \
 	 --output $@
-GIRS += annotation.gir
-GIRS += drawable.gir
-GIRS += foo.gir
+GIRS += annotation-1.0.gir
 
-utility.gir: libutility.la utility.h $(SCANNER) $(SCANNER_LIBS) Makefile
+drawable-1.0.gir: libdrawable.la drawable.c drawable.h utility-1.0.gir $(SCANNER) $(SCANNER_LIBS) Makefile
 	PYTHONPATH=$(top_builddir):$$PYTHONPATH $(CHECK_DEBUG) $(SCANNER) -v \
-	--include=$(top_srcdir)/gir/GObject.gir \
+	--include=$(top_srcdir)/gir/GObject-2.0.gir \
+	--include=$(top_builddir)/tests/scanner/utility-1.0.gir \
+	--library=drawable \
+	--namespace=drawable \
+	--nsversion=1.0 \
+	--pkg gobject-2.0 \
+	$(srcdir)/drawable.h $(srcdir)/drawable.c \
+	 --output $@
+GIRS += drawable-1.0.gir
+
+foo-1.0.gir: libfoo.la foo.c foo.h utility-1.0.gir $(SCANNER) $(SCANNER_LIBS) Makefile
+	PYTHONPATH=$(top_builddir):$$PYTHONPATH $(CHECK_DEBUG) $(SCANNER) -v \
+	--include=$(top_srcdir)/gir/GObject-2.0.gir \
+	--include=$(top_builddir)/tests/scanner/utility-1.0.gir \
+	--library=foo \
+	--namespace=foo \
+	--nsversion=1.0 \
+	--pkg gobject-2.0 \
+	$(srcdir)/foo.h $(srcdir)/foo.c \
+	 --output $@
+GIRS += foo-1.0.gir
+
+utility-1.0.gir: libutility.la utility.h $(SCANNER) $(SCANNER_LIBS) Makefile
+	PYTHONPATH=$(top_builddir):$$PYTHONPATH $(CHECK_DEBUG) $(SCANNER) -v \
+	--include=$(top_srcdir)/gir/GObject-2.0.gir \
 	--library=utility \
 	--namespace=utility \
+	--nsversion=1.0 \
 	--pkg gobject-2.0 \
 	$(libutility_la_SOURCES) \
 	--output $@
-GIRS += utility.gir
+GIRS += utility-1.0.gir
 
 pre-check:
 	@if test "$(top_builddir)" != "$(top_srcdir)"; then \

Copied: trunk/tests/scanner/annotation-1.0-expected.gir (from r676, /trunk/tests/scanner/annotation-expected.gir)
==============================================================================
--- /trunk/tests/scanner/annotation-expected.gir	(original)
+++ trunk/tests/scanner/annotation-1.0-expected.gir	Sun Oct 12 04:51:48 2008
@@ -3,10 +3,10 @@
             xmlns="http://www.gtk.org/introspection/core/1.0";
             xmlns:c="http://www.gtk.org/introspection/c/1.0";
             xmlns:glib="http://www.gtk.org/introspection/glib/1.0";>
-  <include name="GLib"/>
-  <include name="GObject"/>
-  <include name="utility"/>
-  <namespace name="annotation" shared-library="annotation">
+  <include name="GLib-2.0"/>
+  <include name="GObject-2.0"/>
+  <include name="utility-1.0"/>
+  <namespace name="annotation" version="1.0" shared-library="annotation">
     <class name="Object"
            c:type="AnnotationObject"
            parent="GObject.Object"

Copied: trunk/tests/scanner/drawable-1.0-expected.gir (from r676, /trunk/tests/scanner/drawable-expected.gir)
==============================================================================
--- /trunk/tests/scanner/drawable-expected.gir	(original)
+++ trunk/tests/scanner/drawable-1.0-expected.gir	Sun Oct 12 04:51:48 2008
@@ -3,10 +3,10 @@
             xmlns="http://www.gtk.org/introspection/core/1.0";
             xmlns:c="http://www.gtk.org/introspection/c/1.0";
             xmlns:glib="http://www.gtk.org/introspection/glib/1.0";>
-  <include name="GLib"/>
-  <include name="GObject"/>
-  <include name="utility"/>
-  <namespace name="drawable" shared-library="drawable">
+  <include name="GLib-2.0"/>
+  <include name="GObject-2.0"/>
+  <include name="utility-1.0"/>
+  <namespace name="drawable" version="1.0" shared-library="drawable">
     <class name="TestDrawable"
            c:type="TestDrawable"
            parent="GObject.Object"

Copied: trunk/tests/scanner/foo-1.0-expected.gir (from r676, /trunk/tests/scanner/foo-expected.gir)
==============================================================================
--- /trunk/tests/scanner/foo-expected.gir	(original)
+++ trunk/tests/scanner/foo-1.0-expected.gir	Sun Oct 12 04:51:48 2008
@@ -3,10 +3,10 @@
             xmlns="http://www.gtk.org/introspection/core/1.0";
             xmlns:c="http://www.gtk.org/introspection/c/1.0";
             xmlns:glib="http://www.gtk.org/introspection/glib/1.0";>
-  <include name="GLib"/>
-  <include name="GObject"/>
-  <include name="utility"/>
-  <namespace name="foo" shared-library="foo">
+  <include name="GLib-2.0"/>
+  <include name="GObject-2.0"/>
+  <include name="utility-1.0"/>
+  <namespace name="foo" version="1.0" shared-library="foo">
     <alias name="List" target="GLib.SList" c:type="FooList"/>
     <alias name="XEvent" target="none" c:type="FooXEvent"/>
     <alias name="ObjectCookie" target="any" c:type="FooObjectCookie"/>

Copied: trunk/tests/scanner/utility-1.0-expected.gir (from r676, /trunk/tests/scanner/utility-expected.gir)
==============================================================================
--- /trunk/tests/scanner/utility-expected.gir	(original)
+++ trunk/tests/scanner/utility-1.0-expected.gir	Sun Oct 12 04:51:48 2008
@@ -3,9 +3,9 @@
             xmlns="http://www.gtk.org/introspection/core/1.0";
             xmlns:c="http://www.gtk.org/introspection/c/1.0";
             xmlns:glib="http://www.gtk.org/introspection/glib/1.0";>
-  <include name="GLib"/>
-  <include name="GObject"/>
-  <namespace name="utility" shared-library="utility">
+  <include name="GLib-2.0"/>
+  <include name="GObject-2.0"/>
+  <namespace name="utility" version="1.0" shared-library="utility">
     <class name="Object"
            c:type="UtilityObject"
            parent="GObject.Object"

Modified: trunk/tests/struct.gir
==============================================================================
--- trunk/tests/struct.gir	(original)
+++ trunk/tests/struct.gir	Sun Oct 12 04:51:48 2008
@@ -3,7 +3,7 @@
             xmlns="http://www.gtk.org/introspection/core/1.0";
             xmlns:c="http://www.gtk.org/introspection/c/1.0";
             xmlns:glib="http://www.gtk.org/introspection/glib/1.0";>
-  <namespace name="Foo">
+  <namespace name="Foo" version="1.0">
     <record name="FooStruct">
       <field name="foo_int" readable="1" writable="1" offset="0">
         <type name="int"/>

Modified: trunk/tests/types.gir
==============================================================================
--- trunk/tests/types.gir	(original)
+++ trunk/tests/types.gir	Sun Oct 12 04:51:48 2008
@@ -3,7 +3,7 @@
             xmlns="http://www.gtk.org/introspection/core/1.0";
             xmlns:c="http://www.gtk.org/introspection/c/1.0";
             xmlns:glib="http://www.gtk.org/introspection/glib/1.0";>
-  <namespace name="Foo">
+  <namespace name="Foo" version="1.0">
     <function name="lart" symbol="lart">
       <return-type type="gboolean" />
       <parameters>

Modified: trunk/tests/types/Makefile.am
==============================================================================
--- trunk/tests/types/Makefile.am	(original)
+++ trunk/tests/types/Makefile.am	Sun Oct 12 04:51:48 2008
@@ -28,15 +28,15 @@
 CLEANFILES = $(TYPELIBS) $(TXMLS) $(GIRS)
 BUILT_SOURCES = $(TYPELIBS) $(TXMLS) $(GIRS)
 
-%.gir: lib%.la %.c %.h $(SCANNER) $(SCANNER_LIBS)
+gitesttypes-1.0.gir: libgitesttypes.la gitesttypes.c gitesttypes.h $(SCANNER) $(SCANNER_LIBS)
 	PYTHONPATH=$(top_builddir):$$PYTHONPATH $(CHECK_DEBUG) $(SCANNER) -v \
-	--include=$(top_srcdir)/gir/GObject.gir \
-	--library=$* \
-	--namespace=$* \
+	--include=$(top_srcdir)/gir/GObject-2.0.gir \
+	--library=gitesttypes \
+	--namespace=giesttypes --nsversion=1.0 \
 	--pkg gobject-2.0 \
-	$(srcdir)/$*.h $(srcdir)/$*.c \
+	$(srcdir)/gitesttypes.h $(srcdir)/gitesttypes.c \
 	--output $@
-GIRS += gitesttypes.gir
+GIRS += gitesttypes-1.0.gir
 
 %.typelib: %.gir $(top_builddir)/tools/g-ir-compiler$(EXEEXT) Makefile
 	$(top_builddir)/tools/g-ir-compiler --includedir=. --includedir=$(top_builddir)/gir $< -o $@

Modified: trunk/tests/union.gir
==============================================================================
--- trunk/tests/union.gir	(original)
+++ trunk/tests/union.gir	Sun Oct 12 04:51:48 2008
@@ -3,7 +3,7 @@
             xmlns="http://www.gtk.org/introspection/core/1.0";
             xmlns:c="http://www.gtk.org/introspection/c/1.0";
             xmlns:glib="http://www.gtk.org/introspection/glib/1.0";>
-  <namespace name="Foo">
+  <namespace name="Foo" version="1.0">
     <union name="union1" type-name="UnionType1" get-type="union1_get_type">
       <discriminator offset="-4" type="gint" />
       <field name="field1" readable="1" writable="1" offset="0" type="guint32" branch="0" />

Modified: trunk/tests/xref1.gir
==============================================================================
--- trunk/tests/xref1.gir	(original)
+++ trunk/tests/xref1.gir	Sun Oct 12 04:51:48 2008
@@ -3,7 +3,7 @@
             xmlns="http://www.gtk.org/introspection/core/1.0";
             xmlns:c="http://www.gtk.org/introspection/c/1.0";
             xmlns:glib="http://www.gtk.org/introspection/glib/1.0";>
-  <namespace name="Foo">
+  <namespace name="Foo" version="1.0">
     <glib:boxed glib:name="Boxed" glib:type-name="FooBoxed" glib:get-type="foo_boxed_get_type">
     </glib:boxed>
     <function name="test" symbol="foo_test">

Modified: trunk/tests/xref2.gir
==============================================================================
--- trunk/tests/xref2.gir	(original)
+++ trunk/tests/xref2.gir	Sun Oct 12 04:51:48 2008
@@ -3,7 +3,7 @@
             xmlns="http://www.gtk.org/introspection/core/1.0";
             xmlns:c="http://www.gtk.org/introspection/c/1.0";
             xmlns:glib="http://www.gtk.org/introspection/glib/1.0";>
-  <namespace name="Bar">
+  <namespace name="Bar" version="1.0">
     <glib:boxed glib:name="Boxed" glib:type-name="BarBoxed" glib:get-type="bar_boxed_get_type">
     </glib:boxed>
     <function name="test" symbol="bar_test">

Modified: trunk/tools/g-ir-scanner
==============================================================================
--- trunk/tools/g-ir-scanner	(original)
+++ trunk/tools/g-ir-scanner	Sun Oct 12 04:51:48 2008
@@ -59,6 +59,9 @@
     parser.add_option("-n", "--namespace",
                       action="store", dest="namespace_name",
                       help="name of namespace for this unit")
+    parser.add_option("", "--nsversion",
+                      action="store", dest="namespace_version",
+                      help="version of namespace for this unit")
     parser.add_option("", "--strip-prefix",
                       action="store", dest="strip_prefix", default="",
                       help="prefix to strip from functions, like g_")
@@ -244,7 +247,7 @@
     ss.parse_macros(filenames)
 
     # Transform the C symbols into AST nodes
-    transformer = Transformer(ss, options.namespace_name)
+    transformer = Transformer(ss, options.namespace_name, options.namespace_version)
     transformer.set_strip_prefix(options.strip_prefix)
     for include in options.includes:
         transformer.register_include(include)

Modified: trunk/tools/generate.c
==============================================================================
--- trunk/tools/generate.c	(original)
+++ trunk/tools/generate.c	Sun Oct 12 04:51:48 2008
@@ -1064,13 +1064,16 @@
     {
       const gchar *shared_library;
       const char *ns = namespace;
+      const char *version;
+
+      version = g_irepository_get_version (repository, ns);
 
       shared_library = g_irepository_get_shared_library (repository, ns);
       if (shared_library)
-        g_fprintf (file, "  <namespace name=\"%s\" shared-library=\"%s\">\n",
-                   ns, shared_library);
+        g_fprintf (file, "  <namespace name=\"%s\" version=\"%s\" shared-library=\"%s\">\n",
+                   ns, version, shared_library);
       else
-        g_fprintf (file, "  <namespace name=\"%s\">\n", ns);
+        g_fprintf (file, "  <namespace name=\"%s\" version=\"%s\">\n", ns, version);
       
       for (j = 0; j < g_irepository_get_n_infos (repository, ns); j++)
 	{



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