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+// Copyright 2012-2024 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
+
+#ifndef JALV_MAPPER_H
+#define JALV_MAPPER_H
+
+#include "attributes.h"
+
+#include <lv2/urid/urid.h>
+#include <zix/attributes.h>
+
+// URI to URID mapping and unmapping
+JALV_BEGIN_DECLS
+
+/// Opaque URI mapper implementation
+typedef struct JalvMapperImpl JalvMapper;
+
+/// Allocate, configure, and return a new URI mapper
+JalvMapper*
+jalv_mapper_new(void);
+
+/// Free memory allocated by jalv_mapper_new()
+void
+jalv_mapper_free(JalvMapper* mapper);
+
+/// Return a pointer to the mapper's LV2 URID map
+LV2_URID_Map*
+jalv_mapper_urid_map(JalvMapper* mapper);
+
+/// Return a pointer to the mapper's LV2 URID unmap
+LV2_URID_Unmap*
+jalv_mapper_urid_unmap(JalvMapper* mapper);
+
+/// Map a URI string to a URID
+LV2_URID
+jalv_mapper_map_uri(JalvMapper* mapper, const char* sym);
+
+/// Unmap a URID back to a URI string if possible, or return NULL
+ZIX_PURE_FUNC const char*
+jalv_mapper_unmap_uri(const JalvMapper* mapper, LV2_URID id);
+
+JALV_END_DECLS
+
+#endif // JALV_MAPPER_H