104 lines
1.9 KiB
C++
104 lines
1.9 KiB
C++
/* SPDX-FileCopyrightText: 2023 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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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 DataType 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 "BLI_cpp_type.hh"
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#include "BLI_struct_equality_utils.hh"
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namespace blender::fn::multi_function {
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class DataType {
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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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DataType(Category category, const CPPType &type) : category_(category), type_(&type) {}
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public:
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DataType() = default;
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static DataType ForSingle(const CPPType &type)
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{
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return DataType(Single, type);
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}
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static DataType ForVector(const CPPType &type)
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{
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return DataType(Vector, type);
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}
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template<typename T> static DataType ForSingle()
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{
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return DataType::ForSingle(CPPType::get<T>());
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}
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template<typename T> static DataType ForVector()
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{
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return DataType::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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BLI_STRUCT_EQUALITY_OPERATORS_2(DataType, category_, type_)
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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(*type_, category_);
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}
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};
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} // namespace blender::fn::multi_function
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