1 files changed, 51 insertions, 0 deletions
diff --git a/src/state.h b/src/state.h
new file mode 100644
index 0000000..c4c1fd3
--- /dev/null
+++ b/src/state.h
@@ -0,0 +1,51 @@
+// Copyright 2007-2022 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
+
+#ifndef JALV_STATE_H
+#define JALV_STATE_H
+
+#include "attributes.h"
+#include "types.h"
+
+#include <lilv/lilv.h>
+#include <lv2/state/state.h>
+
+// State and preset utilities
+JALV_BEGIN_DECLS
+
+typedef int (*PresetSink)(Jalv*           jalv,
+                          const LilvNode* node,
+                          const LilvNode* title,
+                          void*           data);
+
+int
+jalv_load_presets(Jalv* jalv, PresetSink sink, void* data);
+
+int
+jalv_unload_presets(Jalv* jalv);
+
+int
+jalv_apply_preset(Jalv* jalv, const LilvNode* preset);
+
+int
+jalv_delete_current_preset(Jalv* jalv);
+
+int
+jalv_save_preset(Jalv*       jalv,
+                 const char* dir,
+                 const char* uri,
+                 const char* label,
+                 const char* filename);
+
+void
+jalv_save(Jalv* jalv, const char* dir);
+
+char*
+jalv_make_path(LV2_State_Make_Path_Handle handle, const char* path);
+
+void
+jalv_apply_state(Jalv* jalv, const LilvState* state);
+
+JALV_END_DECLS
+
+#endif // JALV_STATE_H