Robin Davies
83 lines
2.4 KiB
C++
83 lines
2.4 KiB
C++
// Copyright (c) 2022 Robin Davies
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#include "MapFeature.hpp"
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#include <mutex>
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using namespace pipedal;
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static LV2_URID mapFn(LV2_URID_Map_Handle handle, const char* uri)
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{
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MapFeature* feature = (MapFeature*)(void*)handle;
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return feature->GetUrid(uri);
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}
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static const char* unmapFn(LV2_URID_Map_Handle handle, LV2_URID urid)
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{
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MapFeature* feature = (MapFeature*)(void*)handle;
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return feature->UridToString(urid);
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}
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MapFeature::MapFeature()
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{
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mapFeature.URI = LV2_URID__map;
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mapFeature.data = ↦
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map.handle = (void*)this;
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map.map = &mapFn;
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unmapFeature.URI = LV2_URID__unmap;
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unmapFeature.data = &unmap;
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unmap.handle = (void*)this;
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unmap.unmap = &unmapFn;
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}
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MapFeature::~MapFeature()
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{
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for (auto i = stdUnmap.begin(); i != stdUnmap.end(); ++i)
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{
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delete i->second;
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}
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}
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LV2_URID MapFeature::GetUrid(const char* uri)
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{
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std::lock_guard<std::mutex> guard(mapMutex);
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LV2_URID result = stdMap[uri];
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if (result == 0)
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{
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stdMap[uri] = ++nextAtom;
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result = nextAtom;
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std::string *stringRef = new std::string(uri);
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stdUnmap[result] = stringRef;
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}
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return result;
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}
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const char*MapFeature::UridToString(LV2_URID urid)
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{
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std::lock_guard<std::mutex> guard(mapMutex);
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std::string*pResult = stdUnmap[urid];
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if (pResult == nullptr) return nullptr;
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return pResult->c_str();
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}
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