Campbell Barton
3d3bc74884
MSVC used to warn about const mismatch for arguments passed by value. Remove these as newer versions of MSVC no longer show this warning.
96 lines
2.5 KiB
C++
96 lines
2.5 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 bli
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*
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* A virtual vector array gives access to an array of vectors. The individual vectors in the array
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* can have different sizes.
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*
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* The tradeoffs here are similar to virtual arrays.
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*/
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#include "BLI_virtual_array.hh"
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namespace blender {
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/** A read-only virtual array of vectors. */
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template<typename T> class VVectorArray {
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protected:
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int64_t size_;
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public:
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VVectorArray(const int64_t size) : size_(size)
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{
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BLI_assert(size >= 0);
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}
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virtual ~VVectorArray() = default;
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/* Returns the number of vectors in the vector array. */
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int64_t size() const
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{
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return size_;
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}
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/* Returns true when there is no vector in the vector array. */
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bool is_empty() const
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{
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return size_ == 0;
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}
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/* Returns the size of the vector at the given index. */
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int64_t get_vector_size(const int64_t index) const
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{
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BLI_assert(index >= 0);
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BLI_assert(index < size_);
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return this->get_vector_size_impl(index);
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}
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/* Returns an element from one of the vectors. */
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T get_vector_element(const int64_t index, const int64_t index_in_vector) const
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{
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BLI_assert(index >= 0);
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BLI_assert(index < size_);
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BLI_assert(index_in_vector >= 0);
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BLI_assert(index_in_vector < this->get_vector_size(index));
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return this->get_vector_element_impl(index, index_in_vector);
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}
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/* Returns true when the same vector is used at every index. */
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bool is_single_vector() const
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{
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if (size_ == 1) {
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return true;
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}
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return this->is_single_vector_impl();
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}
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protected:
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virtual int64_t get_vector_size_impl(int64_t index) const = 0;
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virtual T get_vector_element_impl(int64_t index, int64_t index_in_vetor) const = 0;
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virtual bool is_single_vector_impl() const
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{
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return false;
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}
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};
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} // namespace blender
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