[nnkit/moco/tf] TensorContext class (#3387)

This commit adds TensorContext class, which will be inherited by InputTensorContext and OutputTensorContext in next PR.

Signed-off-by: Hyun Sik Yoon <hyunsik.yoon@samsung.com>

diff --git a/contrib/nnkit/libs/support/moco/tf/src/TensorContext.h b/contrib/nnkit/libs/support/moco/tf/src/TensorContext.h
new file mode 100644 (file)
index 0000000..2793396
--- /dev/null
+++ b/contrib/nnkit/libs/support/moco/tf/src/TensorContext.h
@@ -0,0 +1,86 @@
+/*
+ * 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_MOCO_TF_TENSOR_CONTEXT_H__
+#define __NNKIT_SUPPORT_MOCO_TF_TENSOR_CONTEXT_H__
+
+#include "nnkit/TensorContext.h"
+#include "nnkit/support/tftestinfo/ParsedTensor.h"
+
+#include <nncc/core/ADT/tensor/Shape.h>
+
+#include <vector>
+#include <memory>
+
+namespace nnkit
+{
+namespace support
+{
+namespace moco
+{
+namespace tf
+{
+
+using nnkit::support::tftestinfo::ParsedTensor;
+
+/**
+ * @brief Parent class of InputTensorContext and OutputTensorContext
+ */
+class TensorContext : public nnkit::TensorContext
+{
+public:
+  TensorContext(const std::vector<std::unique_ptr<ParsedTensor>> &tensors) : _tensors(tensors)
+  {
+    // empty
+  }
+
+  TensorContext(const TensorContext &) = delete;
+  TensorContext(TensorContext &&) = delete;
+
+public:
+  uint32_t size(void) const override { return _tensors.size(); }
+
+public:
+  std::string name(uint32_t n) const override // name with ":0", ":1", etc
+  {
+    return _tensors.at(n)->name();
+  }
+
+public:
+  nncc::core::ADT::tensor::Shape shape(uint32_t n) const override
+  {
+    return _tensors.at(n)->shape();
+  }
+
+public:
+  // Float (fp32) tensor support
+  bool isFloatTensor(uint32_t n) const override { return _tensors.at(n)->isFloatTensor(); }
+
+  virtual void getMutableFloatTensor(uint32_t n,
+                                     const nnkit::TensorContext::TypedAccessor<float> &f) = 0;
+  virtual void getConstFloatTensor(uint32_t n,
+                                   const nnkit::TensorContext::TypedReader<float> &f) const = 0;
+
+private:
+  const std::vector<std::unique_ptr<ParsedTensor>> &_tensors;
+};
+
+} // namespace tf
+} // namespace moco
+} // namespace support
+} // namespace nnkit
+
+#endif // __NNKIT_SUPPORT_MOCO_TF_TENSOR_CONTEXT_H__