128 lines
2.8 KiB
C++
128 lines
2.8 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#pragma once
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/** \file
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* \ingroup fn
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*
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* A MFDataType describes what type of data a multi-function gets as input, outputs or mutates.
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* Currently, only individual elements or vectors of elements are supported. Adding more data types
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* is possible when necessary.
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*/
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#include "FN_cpp_type.hh"
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namespace blender::fn {
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class MFDataType {
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public:
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enum Category {
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Single,
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Vector,
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};
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private:
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Category category_;
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const CPPType *type_;
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MFDataType(Category category, const CPPType &type) : category_(category), type_(&type)
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{
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}
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public:
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MFDataType() = default;
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static MFDataType ForSingle(const CPPType &type)
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{
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return MFDataType(Single, type);
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}
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static MFDataType ForVector(const CPPType &type)
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{
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return MFDataType(Vector, type);
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}
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template<typename T> static MFDataType ForSingle()
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{
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return MFDataType::ForSingle(CPPType::get<T>());
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}
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template<typename T> static MFDataType ForVector()
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{
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return MFDataType::ForVector(CPPType::get<T>());
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}
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bool is_single() const
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{
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return category_ == Single;
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}
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bool is_vector() const
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{
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return category_ == Vector;
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}
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Category category() const
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{
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return category_;
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}
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const CPPType &single_type() const
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{
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BLI_assert(this->is_single());
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return *type_;
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}
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const CPPType &vector_base_type() const
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{
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BLI_assert(this->is_vector());
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return *type_;
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}
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friend bool operator==(const MFDataType &a, const MFDataType &b);
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friend bool operator!=(const MFDataType &a, const MFDataType &b);
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std::string to_string() const
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{
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switch (category_) {
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case Single:
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return type_->name();
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case Vector:
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return type_->name() + " Vector";
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}
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BLI_assert(false);
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return "";
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}
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uint64_t hash() const
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{
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return get_default_hash_2(*type_, category_);
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}
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};
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inline bool operator==(const MFDataType &a, const MFDataType &b)
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{
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return a.category_ == b.category_ && a.type_ == b.type_;
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}
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inline bool operator!=(const MFDataType &a, const MFDataType &b)
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{
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return !(a == b);
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}
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} // namespace blender::fn
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