1 files changed, 97 insertions, 0 deletions
diff --git a/compiler/nnkit-onnxrt/support/include/nnkit/support/onnx/TensorSet.h b/compiler/nnkit-onnxrt/support/include/nnkit/support/onnx/TensorSet.h
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+++ b/compiler/nnkit-onnxrt/support/include/nnkit/support/onnx/TensorSet.h
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __NNKIT_SUPPORT_ONNX_TENSOR_SET_H__
+#define __NNKIT_SUPPORT_ONNX_TENSOR_SET_H__
+
+#include "nnkit/support/onnx/Allocator.h"
+#include "nnkit/support/onnx/Status.h"
+
+#include <onnxruntime_c_api.h>
+
+#include <string>
+#include <vector>
+#include <cassert>
+
+namespace nnkit
+{
+namespace support
+{
+namespace onnx
+{
+
+class TensorSet final
+{
+public:
+  TensorSet(Allocator *allocator, size_t nums)
+      : _allocator(allocator), _names(nums), _types(nums), _dims(nums), _tensors(nums, nullptr)
+  {
+    // DO NOTHING
+  }
+
+  ~TensorSet(void)
+  {
+    for (auto it : _tensors)
+    {
+      OrtReleaseValue(it);
+    }
+  }
+
+  void set(size_t index, const std::string &name, ONNXTensorElementDataType type,
+           const std::vector<size_t> &dims)
+  {
+    _names[index] = name;
+    _types[index] = type;
+    _dims[index] = dims;
+
+    Status status;
+
+    status =
+        OrtCreateTensorAsOrtValue(_allocator, dims.data(), dims.size(), type, &_tensors[index]);
+    status.throwOnError();
+
+    assert(OrtIsTensor(_tensors[index]));
+  }
+
+  size_t size(void) { return _names.size(); }
+
+  const char *name(size_t index) { return _names[index].c_str(); }
+  const std::vector<std::string> &names(void) { return _names; }
+
+  ONNXTensorElementDataType type(size_t index) { return _types[index]; }
+
+  const std::vector<size_t> &dim(size_t index) { return _dims[index]; }
+
+  const OrtValue *tensor(size_t index) { return _tensors[index]; }
+  const std::vector<OrtValue *> &tensors(void) { return _tensors; }
+
+  OrtValue *mutable_tensor(size_t index) { return _tensors[index]; }
+  std::vector<OrtValue *> mutable_tensors(void) { return _tensors; }
+
+private:
+  Allocator *_allocator;
+
+  std::vector<std::string> _names;
+  std::vector<ONNXTensorElementDataType> _types;
+  std::vector<std::vector<size_t>> _dims;
+  std::vector<OrtValue *> _tensors;
+};
+
+} // namespace onnx
+} // namespace support
+} // namespace nnkit
+
+#endif // __NNKIT_SUPPORT_ONNX_TENSOR_SET_H__