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/*
* Copyright (c) 2015 Hanspeter Portner (dev@open-music-kontrollers.ch)
*
* This is free software: you can redistribute it and/or modify
* it under the terms of the Artistic License 2.0 as published by
* The Perl Foundation.
*
* This source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Artistic License 2.0 for more details.
*
* You should have received a copy of the Artistic License 2.0
* along the source as a COPYING file. If not, obtain it from
* http://www.perlfoundation.org/artistic_license_2_0.
*/
#include <api_stash.h>
__realtime int
_lstash__gc(lua_State *L)
{
lstash_t *lstash = lua_touserdata(L, 1);
atom_ser_t *ser = &lstash->ser;
if(ser->buf)
moony_rt_free(ser->data, ser->buf, ser->size);
return 0;
}
__realtime int
_lstash_write(lua_State *L)
{
lstash_t *lstash = lua_touserdata(L, 1);
atom_ser_t *ser = &lstash->ser;
lforge_t *lforge = &lstash->lforge;
lforge->depth = 0;
lforge->last.frames = 0;
lforge->forge = &lstash->forge;
ser->offset = 0; // reset stash pointer
lv2_atom_forge_set_sink(&lstash->forge, _sink_rt, _deref, ser);
LV2_Atom *atom = (LV2_Atom *)ser->buf;
atom->type = 0;
atom->size = 0;
luaL_getmetatable(L, "lforge");
lua_setmetatable(L, 1);
return 1;
}
__realtime int
_lstash_read(lua_State *L)
{
lstash_t *lstash = lua_touserdata(L, 1);
atom_ser_t *ser = &lstash->ser;
latom_t *latom = &lstash->latom;
latom->atom = (const LV2_Atom *)ser->buf;
latom->body.raw = LV2_ATOM_BODY_CONST(latom->atom);
luaL_getmetatable(L, "latom");
lua_setmetatable(L, 1);
return 1;
}
__realtime int
_lstash(lua_State *L)
{
moony_t *moony = lua_touserdata(L, lua_upvalueindex(1));
moony_vm_t *vm = lua_touserdata(L, lua_upvalueindex(2));
lstash_t *lstash = moony_newuserdata(L, moony, MOONY_UDATA_STASH, false);
// initialize forge (URIDs)
memcpy(&lstash->forge, &moony->forge, sizeof(LV2_Atom_Forge));
// initialize memory pool
atom_ser_t *ser = &lstash->ser;
ser->data = vm;
ser->size = 1024;
ser->offset = 0; // reset stash pointer
ser->buf = moony_rt_alloc(vm, ser->size);
if(!ser->buf)
lua_pushnil(L); // memory allocation failed
// start off as forge
_lstash_write(L);
return 1;
}
const luaL_Reg lstash_mt [] = {
{NULL, NULL}
};
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