G4OCCTMaterialMap.cc

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// SPDX-License-Identifier: LGPL-2.1-or-later
// Copyright (C) 2026 G4OCCT Contributors
 
 
#include "G4OCCT/G4OCCTMaterialMap.hh"
 
#include <G4Exception.hh>
#include <G4Material.hh>
 
void G4OCCTMaterialMap::Add(const G4String& stepName, G4Material* material) {
  if (!material) {
    G4Exception("G4OCCTMaterialMap::Add", "G4OCCT_MatMap000", FatalException,
                ("Null G4Material* provided for STEP material name: \"" + stepName +
                 "\". G4OCCTMaterialMap::Add() requires a non-null material pointer.")
                    .c_str());
    return; // unreachable; silences compiler warnings
  }
  fMap[stepName] = material;
}
 
G4Material* G4OCCTMaterialMap::Resolve(const G4String& stepName) const {
  auto it = fMap.find(stepName);
  if (it == fMap.end()) {
    G4Exception("G4OCCTMaterialMap::Resolve", "G4OCCT_MatMap001", FatalException,
                ("Unresolved STEP material name: \"" + stepName +
                 "\". Register it with G4OCCTMaterialMap::Add() before importing.")
                    .c_str());
    return nullptr; // unreachable; silences compiler warnings
  }
  return it->second;
}
 
bool G4OCCTMaterialMap::Contains(const G4String& stepName) const {
  return fMap.count(stepName) > 0;
}
 
void G4OCCTMaterialMap::Merge(const G4OCCTMaterialMap& other) {
  for (const auto& [name, mat] : other.fMap) {
    Add(name, mat);
  }
}