From 1403d34fca93ee75a84347fd838506539fb20625 Mon Sep 17 00:00:00 2001 From: David Robillard Date: Sun, 14 Apr 2019 09:52:21 +0200 Subject: Add option to override LV2_PATH in applications --- NEWS | 3 ++- lilv/lilv.h | 8 ++++++++ src/lilv_internal.h | 5 +++-- src/world.c | 11 ++++++++++- 4 files changed, 23 insertions(+), 4 deletions(-) diff --git a/NEWS b/NEWS index fa335a9..e84bf05 100644 --- a/NEWS +++ b/NEWS @@ -4,8 +4,9 @@ lilv (0.24.5) unstable; * Fix creating directories across drives on Windows * Don't print errors when saving state if correct links already exist * Fix issues with loading state with saved files from the model + * Add option to override LV2_PATH in applications - -- David Robillard Sun, 16 Sep 2018 11:36:45 +0200 + -- David Robillard Sun, 14 Apr 2019 09:52:48 +0200 lilv (0.24.4) stable; diff --git a/lilv/lilv.h b/lilv/lilv.h index 52493ed..6ce93d0 100644 --- a/lilv/lilv.h +++ b/lilv/lilv.h @@ -529,12 +529,20 @@ lilv_world_new(void); */ #define LILV_OPTION_DYN_MANIFEST "http://drobilla.net/ns/lilv#dyn-manifest" +/** + Set application-specific LV2_PATH. This overrides the LV2_PATH from the + environment, so that lilv will only look inside the given path. This can be + used to make self-contained applications. +*/ +#define LILV_OPTION_LV2_PATH "http://drobilla.net/ns/lilv#lv2-path" + /** Set an option option for `world`. Currently recognized options: @ref LILV_OPTION_FILTER_LANG @ref LILV_OPTION_DYN_MANIFEST + @ref LILV_OPTION_LV2_PATH */ LILV_API void lilv_world_set_option(LilvWorld* world, diff --git a/src/lilv_internal.h b/src/lilv_internal.h index 2f95a59..da38d05 100644 --- a/src/lilv_internal.h +++ b/src/lilv_internal.h @@ -146,8 +146,9 @@ struct LilvInstancePimpl { }; typedef struct { - bool dyn_manifest; - bool filter_language; + bool dyn_manifest; + bool filter_language; + char* lv2_path; } LilvOptions; struct LilvWorldImpl { diff --git a/src/world.c b/src/world.c index 0d9c5e3..29c16d0 100644 --- a/src/world.c +++ b/src/world.c @@ -178,6 +178,7 @@ lilv_world_free(LilvWorld* world) sord_world_free(world->world); world->world = NULL; + free(world->opt.lv2_path); free(world); } @@ -196,6 +197,11 @@ lilv_world_set_option(LilvWorld* world, world->opt.filter_language = lilv_node_as_bool(value); return; } + } else if (!strcmp(uri, LILV_OPTION_LV2_PATH)) { + if (lilv_node_is_string(value)) { + world->opt.lv2_path = lilv_strdup(lilv_node_as_string(value)); + return; + } } LILV_WARNF("Unrecognized or invalid option `%s'\n", uri); } @@ -1031,7 +1037,10 @@ lilv_world_load_plugin_classes(LilvWorld* world) LILV_API void lilv_world_load_all(LilvWorld* world) { - const char* lv2_path = getenv("LV2_PATH"); + const char* lv2_path = world->opt.lv2_path; + if (!lv2_path) { + lv2_path = getenv("LV2_PATH"); + } if (!lv2_path) { lv2_path = LILV_DEFAULT_LV2_PATH; } -- cgit v1.2.1