SaraP
513f08e691
- aggiornamento versione - utilizzate le nostre librerie esterne libzip e zlib e non quelle incluse in lib3mf.
128 lines
4.3 KiB
C++
128 lines
4.3 KiB
C++
/*++
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Copyright (C) 2024 3MF Consortium
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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Abstract:
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NMR_ResourcDependencySorter resolves the dependencies between resources by
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sorting them topologically.
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--*/
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#include "Model/Writer/v100/NMR_ResourceDependencySorter.h"
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#include <algorithm>
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#include "Common/Graph/DirectedGraph.h"
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#include "Common/Graph/GraphAlgorithms.h"
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#include "Model/Classes/NMR_Model.h"
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#include "Model/Classes/NMR_ModelResource.h"
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namespace NMR
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{
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CResourceDependencySorter::CResourceDependencySorter(CModel* pModel)
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: m_pModel(pModel)
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{
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buildIndexMaps();
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}
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TopologicalSortResult CResourceDependencySorter::sort()
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{
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// gather list of resources that are standalone
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TopologicalSortResult sortedResources;
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for(nfUint32 i = 0; i < m_pModel->getResourceCount(); i++)
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{
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auto pResource = m_pModel->getResource(i);
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if(pResource->getDependencies().empty())
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{
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sortedResources.push_back(
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pResource->getPackageResourceID());
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}
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}
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auto graph = buildGraph();
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if (common::graph::isCyclic(graph))
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{
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throw CNMRException(NMR_ERROR_INVALIDPARAM, "Cyclic dependency between resources detected");
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}
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auto sortedIndices = common::graph::topologicalSort(
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buildGraph()); // only contains resources that have or are a
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// dependency
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for (auto index : sortedIndices)
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{
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auto modelResourceID = indexToModelResourceID(index);
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if (std::find(sortedResources.begin(), sortedResources.end(), modelResourceID) == sortedResources.end()) {
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sortedResources.push_back(modelResourceID);
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}
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}
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return sortedResources;
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}
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common::graph::DirectedGraph CResourceDependencySorter::buildGraph()
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{
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common::graph::DirectedGraph graph(m_pModel->getResourceCount());
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for(nfUint32 i = 0; i < m_pModel->getResourceCount(); i++)
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{
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auto pResource = m_pModel->getResource(i);
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auto dependencies = pResource->getDependencies();
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for(auto dependency : dependencies)
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{
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auto dependencyIndex = modelResourceIDToIndex(dependency);
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graph.addDependency(i, dependencyIndex);
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}
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}
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return graph;
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}
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void CResourceDependencySorter::buildIndexMaps()
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{
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for(nfUint32 i = 0; i < m_pModel->getResourceCount(); i++)
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{
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auto pResource = m_pModel->getResource(i);
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m_indexToResourceID[i] =
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pResource->getPackageResourceID();
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m_resourceIDToIndex[pResource->getPackageResourceID()] = i;
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}
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}
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PPackageResourceID CResourceDependencySorter::indexToModelResourceID(
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size_t index) const
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{
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return m_indexToResourceID.at(index);
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}
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size_t CResourceDependencySorter::modelResourceIDToIndex(
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PPackageResourceID resourceID) const
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{
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return m_resourceIDToIndex.at(resourceID);
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}
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} // namespace NMR
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