[libsocialweb: 1/7] Added sw_service_map_params for cleanly mapping lsw parameters to service parameters.

[Eitan Isaacson <eitani src gnome org>]

commit c505cf86812d8eda4a34f0df257d87a979999f73
Author: Eitan Isaacson <eitan isaacson collabora co uk>
Date:   Thu Feb 24 10:35:06 2011 -0800

    Added sw_service_map_params for cleanly mapping lsw parameters
    to service parameters.

 libsocialweb/sw-service.c |   16 ++++++++++++++++
 libsocialweb/sw-service.h |   15 +++++++++++++++
 2 files changed, 31 insertions(+), 0 deletions(-)
---
diff --git a/libsocialweb/sw-service.c b/libsocialweb/sw-service.c
index 79ba587..602db83 100644
--- a/libsocialweb/sw-service.c
+++ b/libsocialweb/sw-service.c
@@ -259,4 +259,20 @@ sw_service_has_cap (const char **caps, const char *cap)
   return FALSE;
 }
 
+void
+sw_service_map_params (const ParameterNameMapping *mapping,
+                       GHashTable                 *parameters,
+                       SwServiceSetParamFunc       set_param_func,
+                       gpointer                    remote_call_object)
+{
+  const ParameterNameMapping *param;
+
+  g_return_if_fail (set_param_func != NULL);
 
+  for (param=mapping; param->lsw_param != NULL; param++) {
+    const char *value = g_hash_table_lookup (parameters, param->lsw_param);
+    if (value != NULL)
+      set_param_func (remote_call_object, param->service_param, value);
+  }
+
+}
diff --git a/libsocialweb/sw-service.h b/libsocialweb/sw-service.h
index 6c8c1b7..e199d03 100644
--- a/libsocialweb/sw-service.h
+++ b/libsocialweb/sw-service.h
@@ -99,6 +99,21 @@ gboolean sw_service_is_uid_banned (SwService   *service,
                                    const gchar *uid);
 
 gboolean sw_service_has_cap (const char **caps, const char *cap);
+
+typedef struct {
+  char *lsw_param;
+  char *service_param;
+} ParameterNameMapping;
+
+typedef void (*SwServiceSetParamFunc) (gpointer object,
+                                       const gchar *param_name,
+                                       const gchar *patam_value);
+
+void sw_service_map_params (const ParameterNameMapping *mapping,
+                            GHashTable                 *parameters,
+                            SwServiceSetParamFunc       set_param_func,
+                            gpointer                    remote_call_object);
+
 G_END_DECLS
 
 #endif /* _SW_SERVICE */