[yelp/yelp-3-0] Adding yelp_document_get_for_uri factory constructor

[Shaun McCance <shaunm src gnome org>]

commit 5ec9019f7421a677ed7d0a091ce7d2ff1cbabf00
Author: Shaun McCance <shaunm gnome org>
Date:   Fri Sep 25 18:47:00 2009 -0500

    Adding yelp_document_get_for_uri factory constructor

 libyelp/yelp-document.c |   63 +++++++++++++++++++++++++++++++++++++++++++++++
 libyelp/yelp-document.h |    4 +++
 libyelp/yelp-view.c     |    4 +-
 3 files changed, 69 insertions(+), 2 deletions(-)
---
diff --git a/libyelp/yelp-document.c b/libyelp/yelp-document.c
index f4bcb3b..1efcb90 100644
--- a/libyelp/yelp-document.c
+++ b/libyelp/yelp-document.c
@@ -110,6 +110,69 @@ static gboolean       request_idle_final        (YelpDocument        *document);
 GStaticMutex str_mutex = G_STATIC_MUTEX_INIT;
 GHashTable  *str_refs  = NULL;
 
+/******************************************************************************/
+
+YelpDocument *
+yelp_document_get_for_uri (YelpUri *uri)
+{
+    static GHashTable *documents = NULL;
+    gchar *base_uri;
+    YelpDocument *document;
+
+    if (documents == NULL)
+	documents = g_hash_table_new_full (g_str_hash, g_str_equal,
+					   g_free, g_object_unref);
+
+    base_uri = yelp_uri_get_base_uri (uri);
+    document = g_hash_table_lookup (documents, base_uri);
+
+    if (document != NULL) {
+	g_free (base_uri);
+	return g_object_ref (document);
+    }
+
+    switch (yelp_uri_get_document_type (uri)) {
+    case YELP_URI_DOCUMENT_TYPE_TEXT:
+    case YELP_URI_DOCUMENT_TYPE_HTML:
+    case YELP_URI_DOCUMENT_TYPE_XHTML:
+	document = yelp_simple_document_new (uri);
+	break;
+    case YELP_URI_DOCUMENT_TYPE_DOCBOOK:
+	/* FIXME */
+	break;
+    case YELP_URI_DOCUMENT_TYPE_MALLARD:
+	/* FIXME */
+	break;
+    case YELP_URI_DOCUMENT_TYPE_MAN:
+	/* FIXME */
+	break;
+    case YELP_URI_DOCUMENT_TYPE_INFO:
+	/* FIXME */
+	break;
+    case YELP_URI_DOCUMENT_TYPE_TOC:
+	/* FIXME */
+	break;
+    case YELP_URI_DOCUMENT_TYPE_SEARCH:
+	/* FIXME */
+	break;
+    case YELP_URI_DOCUMENT_TYPE_UNKNOWN:
+    case YELP_URI_DOCUMENT_TYPE_NOT_FOUND:
+    case YELP_URI_DOCUMENT_TYPE_EXTERNAL:
+    case YELP_URI_DOCUMENT_TYPE_ERROR:
+	break;
+    }
+
+    if (document != NULL) {
+	g_hash_table_insert (documents, base_uri, document);
+	return g_object_ref (document);
+    }
+
+    g_free (base_uri);
+    return NULL;
+}
+
+/******************************************************************************/
+
 static void
 yelp_document_class_init (YelpDocumentClass *klass)
 {
diff --git a/libyelp/yelp-document.h b/libyelp/yelp-document.h
index e86d4f3..64aee49 100644
--- a/libyelp/yelp-document.h
+++ b/libyelp/yelp-document.h
@@ -26,6 +26,8 @@
 #include <glib-object.h>
 #include <gio/gio.h>
 
+#include "yelp-uri.h"
+
 #define YELP_TYPE_DOCUMENT         (yelp_document_get_type ())
 #define YELP_DOCUMENT(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), YELP_TYPE_DOCUMENT, YelpDocument))
 #define YELP_DOCUMENT_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST ((k), YELP_TYPE_DOCUMENT, YelpDocumentClass))
@@ -73,6 +75,8 @@ struct _YelpDocumentClass {
 
 GType             yelp_document_get_type       (void);
 
+YelpDocument *    yelp_document_get_for_uri    (YelpUri              *uri);
+
 gboolean          yelp_document_request_page   (YelpDocument         *document,
 					        const gchar          *page_id,
 					        GCancellable         *cancellable,
diff --git a/libyelp/yelp-view.c b/libyelp/yelp-view.c
index 7153021..a489263 100644
--- a/libyelp/yelp-view.c
+++ b/libyelp/yelp-view.c
@@ -141,8 +141,8 @@ void
 yelp_view_load_uri (YelpView *view,
                     YelpUri  *uri)
 {
-    /* FIXME: want to get from a factory, just for testing */
-    YelpDocument *document = yelp_simple_document_new (uri);
+    YelpDocument *document = yelp_document_get_for_uri (uri);
+    /* FIXME: handle document == NULL */
     yelp_view_load_document (view, uri, document);
     g_object_unref (document);
 }