/**
 * Copyright (c) 2025 Huawei Technologies Co., Ltd.
 * This program is free software, you can redistribute it and/or modify it under the terms and conditions of 
 * CANN Open Software License Agreement Version 2.0 (the "License").
 * Please refer to the License for details. You may not use this file except in compliance with the License.
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, 
 * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
 * See LICENSE in the root of the software repository for the full text of the License.
 */

#ifndef GE_GRAPH_PASSES_FOLDING_KERNEL_PACK_KERNEL_H_
#define GE_GRAPH_PASSES_FOLDING_KERNEL_PACK_KERNEL_H_

#include <vector>

#include "host_kernels/kernel.h"

namespace ge {
/**
 * @ingroup ge
 * @brief Pack operator processing
 * @author
 */
class PackKernel : public Kernel {
 public:
  Status Compute(const ge::OpDescPtr op_desc_ptr, const std::vector<ge::ConstGeTensorPtr> &input,
                 std::vector<ge::GeTensorPtr> &v_output) override;
 private:
  Status ValidateKernelParams(const ge::OpDescPtr &op_desc_ptr, const std::vector<ge::ConstGeTensorPtr> &input);
  Status ValidateInputs(const ge::OpDescPtr &op_desc_ptr, const std::vector<ge::ConstGeTensorPtr> &input) const;
  void ExpandDims(const int64_t axis, const std::vector<ge::ConstGeTensorPtr> &input, GeShape &final_shape);
  Status CopyOutputData(const GeShape &final_shape, const std::vector<ge::ConstGeTensorPtr> &input,
                        ge::GeTensorPtr &output_ptr) const;
  int64_t n_ = 0;       // count of inputs
  int64_t axis_ = 0;    // axis to stack along.
  DataType data_type_;  // data type of inputs
};
}  // namespace ge

#endif  // GE_GRAPH_PASSES_FOLDING_KERNEL_PACK_KERNEL_H_