Add upgrade functions in script plugin API

src/plugins/scripts/script-api.c

@@ -105,15 +105,15 @@ script_api_config_new_section (struct t_weechat_plugin *weechat_plugin,
                                                     struct t_config_section *section,
                                                     const char *option_name,
                                                     const char *value),
-                               char *function_read,
+                               const char *function_read,
                                void (*callback_write)(void *data,
                                                       struct t_config_file *config_file,
                                                       const char *section_name),
-                               char *function_write,
+                               const char *function_write,
                                void (*callback_write_default)(void *data,
                                                               struct t_config_file *config_file,
                                                               const char *section_name),
-                               char *function_write_default,
+                               const char *function_write_default,
                                int (*callback_create_option)(void *data,
                                                              struct t_config_file *config_file,
                                                              struct t_config_section *section,
@@ -1521,3 +1521,42 @@ script_api_config_unset_plugin (struct t_weechat_plugin *weechat_plugin,
     
     return return_code;
 }
+
+/*
+ * script_api_upgrade_read: read upgrade file
+ *                          return 1 if ok, 0 if error
+ */
+
+int
+script_api_upgrade_read (struct t_weechat_plugin *weechat_plugin,
+                         struct t_plugin_script *script,
+                         struct t_upgrade_file *upgrade_file,
+                         int (*callback_read)(void *data,
+                                              struct t_upgrade_file *upgrade_file,
+                                              int object_id,
+                                              struct t_infolist *infolist),
+                         const char *function_read)
+{
+    struct t_script_callback *script_callback;
+    int rc;
+    
+    if (!function_read || !function_read[0])
+        return 0;
+    
+    script_callback = script_callback_alloc ();
+    if (!script_callback)
+        return 0;
+    
+    script_callback->script = script;
+    script_callback->function = strdup (function_read);
+    script_callback->upgrade_file = upgrade_file;
+    script_callback_add (script, script_callback);
+    
+    rc = weechat_upgrade_read (upgrade_file,
+                               callback_read,
+                               script_callback);
+    
+    script_callback_remove (script, script_callback);
+    
+    return rc;
+}

src/plugins/scripts/script-api.h

@@ -254,5 +254,13 @@ extern int script_api_config_set_plugin (struct t_weechat_plugin *weechat_plugin
 extern int script_api_config_unset_plugin (struct t_weechat_plugin *weechat_plugin,
                                            struct t_plugin_script *script,
                                            const char *option);
+extern int script_api_upgrade_read (struct t_weechat_plugin *weechat_plugin,
+                                    struct t_plugin_script *script,
+                                    struct t_upgrade_file *upgrade_file,
+                                    int (*callback_read)(void *data,
+                                                         struct t_upgrade_file *upgrade_file,
+                                                         int object_id,
+                                                         struct t_infolist *infolist),
+                                    const char *function_read);
 
 #endif /* script-api.h */

src/plugins/scripts/script-callback.c

@@ -47,6 +47,7 @@ script_callback_alloc ()
         new_script_callback->hook = NULL;
         new_script_callback->buffer = NULL;
         new_script_callback->bar_item = NULL;
+        new_script_callback->upgrade_file = NULL;
         return new_script_callback;
     }
     
@@ -133,6 +134,7 @@ script_callback_print_log (struct t_weechat_plugin *weechat_plugin,
     weechat_log_printf ("    hook. . . . . . . . : 0x%lx", script_callback->hook);
     weechat_log_printf ("    buffer. . . . . . . : 0x%lx", script_callback->buffer);
     weechat_log_printf ("    bar_item. . . . . . : 0x%lx", script_callback->bar_item);
+    weechat_log_printf ("    upgrade_file. . . . : 0x%lx", script_callback->upgrade_file);
     weechat_log_printf ("    prev_callback . . . : 0x%lx", script_callback->prev_callback);
     weechat_log_printf ("    next_callback . . . : 0x%lx", script_callback->next_callback);
 }

src/plugins/scripts/script-callback.h

@@ -29,6 +29,7 @@ struct t_script_callback
     struct t_hook *hook;                     /* not NULL for hook           */
     struct t_gui_buffer *buffer;             /* not NULL for buffer         */
     struct t_gui_bar_item *bar_item;         /* not NULL for bar item       */
+    struct t_upgrade_file *upgrade_file;     /* not NULL for upgrade file   */
     struct t_script_callback *prev_callback; /* link to next callback       */
     struct t_script_callback *next_callback; /* link to previous callback   */
 };