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/*
Copyright (C) 2008-2011 Paul Davis
Author: David Robillard
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <cassert>
#include <iostream>
#include <stdint.h>
#include <string.h>
#include <glib.h>
#include "pbd/error.h"
#include "ardour/uri_map.h"
using namespace std;
namespace ARDOUR {
URIMap::URIMap()
{
_uri_map_feature_data.uri_to_id = &URIMap::uri_map_uri_to_id;
_uri_map_feature_data.callback_data = this;
_uri_map_feature.URI = LV2_URI_MAP_URI;
_uri_map_feature.data = &_uri_map_feature_data;
_urid_map_feature_data.map = &URIMap::urid_map;
_urid_map_feature_data.handle = this;
_urid_map_feature.URI = LV2_URID_MAP_URI;
_urid_map_feature.data = &_urid_map_feature_data;
_urid_unmap_feature_data.unmap = &URIMap::urid_unmap;
_urid_unmap_feature_data.handle = this;
_urid_unmap_feature.URI = LV2_URID_UNMAP_URI;
_urid_unmap_feature.data = &_urid_unmap_feature_data;
}
uint32_t
URIMap::uri_to_id(const char* map,
const char* uri)
{
const uint32_t id = static_cast<uint32_t>(g_quark_from_string(uri));
if (map && !strcmp(map, "http://lv2plug.in/ns/ext/event")) {
GlobalToEvent::iterator i = _global_to_event.find(id);
if (i != _global_to_event.end()) {
return i->second;
} else {
if (_global_to_event.size() + 1 > UINT16_MAX) {
PBD::error << "Event URI " << uri << " ID out of range." << endl;
return 0;
}
const uint16_t ev_id = _global_to_event.size() + 1;
assert(_event_to_global.find(ev_id) == _event_to_global.end());
_global_to_event.insert(make_pair(id, ev_id));
_event_to_global.insert(make_pair(ev_id, id));
return ev_id;
}
} else {
return id;
}
}
const char*
URIMap::id_to_uri(const char* map,
const uint32_t id)
{
if (map && !strcmp(map, "http://lv2plug.in/ns/ext/event")) {
EventToGlobal::iterator i = _event_to_global.find(id);
if (i == _event_to_global.end()) {
PBD::error << "Failed to unmap event URI " << id << endl;
return NULL;
}
return g_quark_to_string(i->second);
} else {
return g_quark_to_string(id);
}
}
uint32_t
URIMap::uri_map_uri_to_id(LV2_URI_Map_Callback_Data callback_data,
const char* map,
const char* uri)
{
URIMap* const me = (URIMap*)callback_data;
return me->uri_to_id(map, uri);
}
LV2_URID
URIMap::urid_map(LV2_URID_Map_Handle handle,
const char* uri)
{
URIMap* const me = (URIMap*)handle;
return me->uri_to_id(NULL, uri);
}
const char*
URIMap::urid_unmap(LV2_URID_Unmap_Handle handle,
LV2_URID urid)
{
URIMap* const me = (URIMap*)handle;
return me->id_to_uri(NULL, urid);
}
} // namespace ARDOUR
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