diff options
Diffstat (limited to 'lv2/uri-map')
| -rw-r--r-- | lv2/uri-map/uri-map.h | 78 |
1 files changed, 39 insertions, 39 deletions
diff --git a/lv2/uri-map/uri-map.h b/lv2/uri-map/uri-map.h index 31e485a..be5068c 100644 --- a/lv2/uri-map/uri-map.h +++ b/lv2/uri-map/uri-map.h @@ -68,50 +68,50 @@ typedef void* LV2_URI_Map_Callback_Data; */ LV2_DEPRECATED typedef struct { - /** - Opaque pointer to host data. - - The plugin MUST pass this to any call to functions in this struct. - Otherwise, it must not be interpreted in any way. - */ - LV2_URI_Map_Callback_Data callback_data; - - /** - Get the numeric ID of a URI from the host. - - @param callback_data Must be the callback_data member of this struct. - @param map The 'context' of this URI. Certain extensions may define a - URI that must be passed here with certain restrictions on the return - value (e.g. limited range). This value may be NULL if the plugin needs - an ID for a URI in general. Extensions SHOULD NOT define a context - unless there is a specific need to do so, e.g. to restrict the range of - the returned value. - @param uri The URI to be mapped to an integer ID. - - This function is referentially transparent; any number of calls with the - same arguments is guaranteed to return the same value over the life of a - plugin instance (though the same URI may return different values with a - different map parameter). However, this function is not necessarily very - fast: plugins SHOULD cache any IDs they might need in performance - critical situations. - - The return value 0 is reserved and indicates that an ID for that URI - could not be created for whatever reason. Extensions MAY define more - precisely what this means in a certain context, but in general plugins - SHOULD handle this situation as gracefully as possible. However, hosts - SHOULD NOT return 0 from this function in non-exceptional circumstances - (e.g. the URI map SHOULD be dynamic). Hosts that statically support only - a fixed set of URIs should not expect plugins to function correctly. - */ - uint32_t (*uri_to_id)(LV2_URI_Map_Callback_Data callback_data, - const char* map, - const char* uri); + /** + Opaque pointer to host data. + + The plugin MUST pass this to any call to functions in this struct. + Otherwise, it must not be interpreted in any way. + */ + LV2_URI_Map_Callback_Data callback_data; + + /** + Get the numeric ID of a URI from the host. + + @param callback_data Must be the callback_data member of this struct. + @param map The 'context' of this URI. Certain extensions may define a + URI that must be passed here with certain restrictions on the return + value (e.g. limited range). This value may be NULL if the plugin needs + an ID for a URI in general. Extensions SHOULD NOT define a context + unless there is a specific need to do so, e.g. to restrict the range of + the returned value. + @param uri The URI to be mapped to an integer ID. + + This function is referentially transparent; any number of calls with the + same arguments is guaranteed to return the same value over the life of a + plugin instance (though the same URI may return different values with a + different map parameter). However, this function is not necessarily very + fast: plugins SHOULD cache any IDs they might need in performance + critical situations. + + The return value 0 is reserved and indicates that an ID for that URI + could not be created for whatever reason. Extensions MAY define more + precisely what this means in a certain context, but in general plugins + SHOULD handle this situation as gracefully as possible. However, hosts + SHOULD NOT return 0 from this function in non-exceptional circumstances + (e.g. the URI map SHOULD be dynamic). Hosts that statically support only + a fixed set of URIs should not expect plugins to function correctly. + */ + uint32_t (*uri_to_id)(LV2_URI_Map_Callback_Data callback_data, + const char* map, + const char* uri); } LV2_URI_Map_Feature; LV2_RESTORE_WARNINGS #ifdef __cplusplus -} /* extern "C" */ +} /* extern "C" */ #endif /** |