[yelp] Mangling man URIs so that bookmarks are somewhat sensible

[Shaun McCance <shaunm src gnome org>]

commit 3b0c1358cfac5dda0ee24c92f3ed6f971a57a35b
Author: Shaun McCance <shaunm gnome org>
Date:   Mon Jan 17 16:33:13 2011 -0500

    Mangling man URIs so that bookmarks are somewhat sensible

 libyelp/yelp-document.c     |   17 +++++++++++------
 libyelp/yelp-man-document.c |   34 +++++++++++++++++++++-------------
 libyelp/yelp-uri.c          |   14 ++++++++++----
 3 files changed, 42 insertions(+), 23 deletions(-)
---
diff --git a/libyelp/yelp-document.c b/libyelp/yelp-document.c
index 215586e..b1d17b8 100644
--- a/libyelp/yelp-document.c
+++ b/libyelp/yelp-document.c
@@ -139,7 +139,7 @@ YelpDocument *
 yelp_document_get_for_uri (YelpUri *uri)
 {
     static GHashTable *documents = NULL;
-    gchar *docuri;
+    gchar *docuri = NULL;
     gchar *page_id, *tmp;
     YelpDocument *document = NULL;
 
@@ -149,10 +149,6 @@ yelp_document_get_for_uri (YelpUri *uri)
 
     g_return_val_if_fail (yelp_uri_is_resolved (uri), NULL);
 
-    docuri = yelp_uri_get_document_uri (uri);
-    if (docuri == NULL)
-        return NULL;
-
     switch (yelp_uri_get_document_type (uri)) {
     case YELP_URI_DOCUMENT_TYPE_TEXT:
     case YELP_URI_DOCUMENT_TYPE_HTML:
@@ -165,12 +161,21 @@ yelp_document_get_for_uri (YelpUri *uri)
         page_id = yelp_uri_get_page_id (uri);
         tmp = g_strconcat (docuri, "/", page_id, NULL);
         g_free (page_id);
-        g_free (docuri);
         docuri = tmp;
         break;
+    case YELP_URI_DOCUMENT_TYPE_MAN:
+        /* The document URI for man pages is just man:, so we use the
+         * full canonical URI to look these up.
+         */
+        docuri = yelp_uri_get_canonical_uri (uri);
+        break;
     default:
+        docuri = yelp_uri_get_document_uri (uri);
         break;
     }
+
+    if (docuri == NULL)
+        return NULL;
     document = g_hash_table_lookup (documents, docuri);
 
     if (document != NULL) {
diff --git a/libyelp/yelp-man-document.c b/libyelp/yelp-man-document.c
index 4fac05a..f3c42a6 100644
--- a/libyelp/yelp-man-document.c
+++ b/libyelp/yelp-man-document.c
@@ -48,6 +48,7 @@ typedef struct _YelpManDocumentPrivate  YelpManDocumentPrivate;
 struct _YelpManDocumentPrivate {
     YelpUri    *uri;
     ManState    state;
+    gchar      *page_id;
 
     GMutex     *mutex;
     GThread    *thread;
@@ -196,6 +197,7 @@ yelp_man_document_finalize (GObject *object)
 	xmlFreeDoc (priv->xmldoc);
 
     g_mutex_free (priv->mutex);
+    g_free (priv->page_id);
 
     G_OBJECT_CLASS (yelp_man_document_parent_class)->finalize (object);
 }
@@ -224,18 +226,22 @@ yelp_man_document_new (YelpUri *uri)
 
 static gboolean
 man_request_page (YelpDocument         *document,
-                   const gchar          *page_id,
-                   GCancellable         *cancellable,
-                   YelpDocumentCallback  callback,
-                   gpointer              user_data)
+                  const gchar          *page_id,
+                  GCancellable         *cancellable,
+                  YelpDocumentCallback  callback,
+                  gpointer              user_data)
 {
     YelpManDocumentPrivate *priv = GET_PRIV (document);
-    gchar *docuri;
+    gchar *docuri, *fulluri;
     GError *error;
     gboolean handled;
 
-    if (page_id == NULL)
-        page_id = "//index";
+    fulluri = yelp_uri_get_canonical_uri (priv->uri);
+    if (g_str_has_prefix (fulluri, "man:"))
+        priv->page_id = g_strdup (fulluri + 4);
+    else
+        priv->page_id = g_strdup ("//index");
+    g_free (fulluri);
 
     handled =
         YELP_DOCUMENT_CLASS (yelp_man_document_parent_class)->request_page (document,
@@ -254,9 +260,11 @@ man_request_page (YelpDocument         *document,
 	priv->state = MAN_STATE_PARSING;
 	priv->process_running = TRUE;
         g_object_ref (document);
-        yelp_document_set_page_id (document, NULL, "//index");
-        yelp_document_set_page_id (document, "//index", "//index");
-        yelp_document_set_root_id (document, "//index", "//index");
+        yelp_document_set_page_id (document, page_id, priv->page_id);
+        yelp_document_set_page_id (document, NULL, priv->page_id);
+        yelp_document_set_page_id (document, "//index", priv->page_id);
+        yelp_document_set_page_id (document, priv->page_id, priv->page_id);
+        yelp_document_set_root_id (document, priv->page_id, priv->page_id);
 	priv->thread = g_thread_create ((GThreadFunc) man_document_process,
                                         document, FALSE, NULL);
 	break;
@@ -300,16 +308,16 @@ transform_chunk_ready (YelpTransform    *transform,
 
     content = yelp_transform_take_chunk (transform, chunk_id);
     yelp_document_give_contents (YELP_DOCUMENT (man),
-                                 chunk_id,
+                                 priv->page_id,
                                  content,
                                  "application/xhtml+xml");
 
     yelp_document_signal (YELP_DOCUMENT (man),
-                          chunk_id,
+                          priv->page_id,
                           YELP_DOCUMENT_SIGNAL_INFO,
                           NULL);
     yelp_document_signal (YELP_DOCUMENT (man),
-                          chunk_id,
+                          priv->page_id,
                           YELP_DOCUMENT_SIGNAL_CONTENTS,
                           NULL);
 }
diff --git a/libyelp/yelp-uri.c b/libyelp/yelp-uri.c
index aa467d6..9ef480e 100644
--- a/libyelp/yelp-uri.c
+++ b/libyelp/yelp-uri.c
@@ -260,6 +260,7 @@ resolve_start (YelpUri *uri)
 static void
 resolve_async (YelpUri *uri)
 {
+    gchar *tmp;
     YelpUriPrivate *priv = GET_PRIV (uri);
 
     if (g_str_has_prefix (priv->res_arg, "ghelp:")
@@ -296,9 +297,13 @@ resolve_async (YelpUri *uri)
         case YELP_URI_DOCUMENT_TYPE_INFO:
             resolve_xref_uri (uri);
             break;
-        case YELP_URI_DOCUMENT_TYPE_MAN:
-            /* FIXME: what do we do? */
+        case YELP_URI_DOCUMENT_TYPE_MAN: {
+            gchar *tmp = g_strconcat ("man:", priv->res_arg + 5, NULL);
+            g_free (priv->res_arg);
+            priv->res_arg = tmp;
+            resolve_man_uri (uri);
             break;
+        }
         case YELP_URI_DOCUMENT_TYPE_TEXT:
         case YELP_URI_DOCUMENT_TYPE_HTML:
         case YELP_URI_DOCUMENT_TYPE_XHTML:
@@ -929,8 +934,9 @@ resolve_man_uri (YelpUri *uri)
         }
         priv->tmptype = YELP_URI_DOCUMENT_TYPE_MAN;
         priv->gfile = g_file_new_for_path (path);
-        priv->docuri = g_strconcat ("man:",  name, ".", section, NULL);
-        priv->fulluri = g_strdup (priv->docuri);
+        priv->docuri = g_strdup ("man:");
+        priv->fulluri = g_strconcat ("man:",  name, ".", section, NULL);
+        priv->page_id = g_strconcat (name, ".", section, NULL);
         resolve_gfile (uri, NULL);
 
         if (hash && hash[0] != '\0')