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5199d8fb48
- Create a slicer specific arrange target - Create a general arrange target from the arrange core
83 lines
2.5 KiB
C++
83 lines
2.5 KiB
C++
///|/ Copyright (c) Prusa Research 2023 Tomáš Mészáros @tamasmeszaros
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///|/
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///|/ PrusaSlicer is released under the terms of the AGPLv3 or higher
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///|/
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#ifndef DATASTORETRAITS_HPP
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#define DATASTORETRAITS_HPP
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#include <string_view>
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#include "libslic3r/libslic3r.h"
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namespace Slic3r { namespace arr2 {
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// Some items can be containers of arbitrary data stored under string keys.
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template<class ArrItem, class En = void> struct DataStoreTraits_
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{
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static constexpr bool Implemented = false;
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template<class T> static const T *get(const ArrItem &, const std::string &key)
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{
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return nullptr;
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}
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// Same as above just not const.
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template<class T> static T *get(ArrItem &, const std::string &key)
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{
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return nullptr;
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}
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static bool has_key(const ArrItem &itm, const std::string &key)
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{
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return false;
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}
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};
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template<class ArrItem, class En = void> struct WritableDataStoreTraits_
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{
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static constexpr bool Implemented = false;
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template<class T> static void set(ArrItem &, const std::string &key, T &&data)
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{
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}
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};
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template<class T> using DataStoreTraits = DataStoreTraits_<StripCVRef<T>>;
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template<class T> constexpr bool IsDataStore = DataStoreTraits<StripCVRef<T>>::Implemented;
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template<class T, class TT = T> using DataStoreOnly = std::enable_if_t<IsDataStore<T>, TT>;
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template<class T, class ArrItem>
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const T *get_data(const ArrItem &itm, const std::string &key)
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{
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return DataStoreTraits<ArrItem>::template get<T>(itm, key);
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}
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template<class ArrItem>
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bool has_key(const ArrItem &itm, const std::string &key)
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{
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return DataStoreTraits<ArrItem>::has_key(itm, key);
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}
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template<class T, class ArrItem>
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T *get_data(ArrItem &itm, const std::string &key)
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{
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return DataStoreTraits<ArrItem>::template get<T>(itm, key);
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}
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template<class T> using WritableDataStoreTraits = WritableDataStoreTraits_<StripCVRef<T>>;
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template<class T> constexpr bool IsWritableDataStore = WritableDataStoreTraits<StripCVRef<T>>::Implemented;
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template<class T, class TT = T> using WritableDataStoreOnly = std::enable_if_t<IsWritableDataStore<T>, TT>;
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template<class T, class ArrItem>
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void set_data(ArrItem &itm, const std::string &key, T &&data)
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{
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WritableDataStoreTraits<ArrItem>::template set(itm, key, std::forward<T>(data));
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}
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template<class T> constexpr bool IsReadWritableDataStore = IsDataStore<T> && IsWritableDataStore<T>;
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template<class T, class TT = T> using ReadWritableDataStoreOnly = std::enable_if_t<IsReadWritableDataStore<T>, TT>;
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}} // namespace Slic3r::arr2
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#endif // DATASTORETRAITS_HPP
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