1 files changed, 64 insertions, 0 deletions
diff --git a/src/state.h b/src/state.h
new file mode 100644
index 0000000..86defd7
--- /dev/null
+++ b/src/state.h
@@ -0,0 +1,64 @@
+// 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/atom/atom.h"
+#include "lv2/state/state.h"
+#include "lv2/urid/urid.h"
+#include "serd/serd.h"
+
+JALV_BEGIN_DECLS
+
+// State and preset utilities
+
+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);
+
+void
+jalv_save_port_values(Jalv* jalv, SerdWriter* writer, const SerdNode* subject);
+
+char*
+jalv_make_path(LV2_State_Make_Path_Handle handle, const char* path);
+
+void
+jalv_apply_state(Jalv* jalv, LilvState* state);
+
+char*
+atom_to_turtle(LV2_URID_Unmap* unmap,
+               const SerdNode* subject,
+               const SerdNode* predicate,
+               const LV2_Atom* atom);
+
+JALV_END_DECLS
+
+#endif // JALV_STATE_H