126 lines
2.8 KiB
C++
126 lines
2.8 KiB
C++
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/*
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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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#ifndef __FN_MULTI_FUNCTION_DATA_TYPE_HH__
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#define __FN_MULTI_FUNCTION_DATA_TYPE_HH__
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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 {
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namespace 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 m_category;
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const CPPType *m_type;
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MFDataType(Category category, const CPPType &type) : m_category(category), m_type(&type)
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{
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}
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public:
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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 m_category == Single;
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}
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bool is_vector() const
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{
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return m_category == Vector;
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}
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Category category() const
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{
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return m_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 *m_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 *m_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 (m_category) {
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case Single:
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return m_type->name();
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case Vector:
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return m_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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};
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inline bool operator==(const MFDataType &a, const MFDataType &b)
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{
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return a.m_category == b.m_category && a.m_type == b.m_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 fn
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} // namespace blender
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#endif /* __FN_MULTI_FUNCTION_DATA_TYPE_HH__ */
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