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// Copyright 2017 Stefan Riha, Michael Oswald // Documentation copied from http://lv2plug.in/ns/ext/urid/urid.h // Copyright text of the original C file: // Copyright 2008-2016 David Robillard <http://drobilla.net> // Copyright 2011 Gabriel M. Beddingfield <gabrbedd@gmail.com> // Permission to use, copy, modify, and/or distribute this software for any // purpose with or without fee is hereby granted, provided that the above // copyright notice and this permission notice appear in all copies. // THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES // WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF // MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR // ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES // WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN // ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF // OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. // //! Documentation of the corresponding C header files: http://lv2plug.in/ns/ext/urid/urid.html. use libc; pub type LV2Urid = u32; pub type LV2UridMapHandle = *mut libc::c_void; pub static LV2_URID_URI: &'static str = "http://lv2plug.in/ns/ext/urid"; pub static LV2_URID_PREFIX: &'static str = "http://lv2plug.in/ns/ext/urid#"; pub static LV2_URID__MAP: &'static str = "http://lv2plug.in/ns/ext/urid#map"; pub static LV2_URID__UNMAP: &'static str = "http://lv2plug.in/ns/ext/urid#unmap"; /** URID Map Feature (LV2_URID__map) */ #[repr(C)] pub struct LV2UridMap { /** Opaque pointer to host data. This MUST be passed to map_uri() whenever it is called. Otherwise, it must not be interpreted in any way. */ pub handle: LV2UridMapHandle, /** Get the numeric ID of a URI. If the ID does not already exist, it will be created. 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. Note, however, that several URIs MAY resolve to the same ID if the host considers those URIs equivalent. This function is not necessarily very fast or RT-safe: 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. However, hosts SHOULD NOT return 0 from this function in non-exceptional circumstances (i.e. the URI map SHOULD be dynamic). @param handle Must be the callback_data member of this struct. @param uri The URI to be mapped to an integer ID. */ pub map: extern "C" fn(handle: LV2UridMapHandle, uri: *const libc::c_char) -> LV2Urid, }