1 files changed, 147 insertions, 0 deletions
diff --git a/compiler/mio-circle05/src/Reader.cpp b/compiler/mio-circle05/src/Reader.cpp
new file mode 100644
index 000000000..0ee22db14
--- /dev/null
+++ b/compiler/mio-circle05/src/Reader.cpp
@@ -0,0 +1,147 @@
+/*
+ * Copyright (c) 2023 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.
+ */
+
+#include "mio_circle/Reader.h"
+#include "mio_circle/Helper.h"
+
+#include <sstream>
+#include <string>
+
+namespace mio
+{
+namespace circle
+{
+
+Reader::Reader(const ::circle::Model *model)
+{
+  if (model == nullptr)
+  {
+    throw std::runtime_error("Invalid model");
+  }
+
+  _version = model->version();
+  _subgraphs = model->subgraphs();
+  _buffers = model->buffers();
+  _metadata = model->metadata();
+  _signature_defs = model->signature_defs();
+
+  auto opcodes = model->operator_codes();
+  for (const ::circle::OperatorCode *opcode : *opcodes)
+  {
+    _op_codes.push_back(opcode);
+  }
+}
+
+size_t Reader::buffer_info(uint32_t buf_idx, const uint8_t **buff_data)
+{
+  if (buff_data != nullptr)
+  {
+    *buff_data = nullptr;
+  }
+
+  if (buf_idx == 0)
+    return 0;
+
+  if (auto *buffer = (*_buffers)[buf_idx])
+  {
+    if (auto *array = buffer->data())
+    {
+      if (size_t size = array->size())
+      {
+        if (buff_data != nullptr)
+        {
+          *buff_data = reinterpret_cast<const uint8_t *>(array->data());
+        }
+        return size;
+      }
+    }
+  }
+
+  return 0;
+}
+
+::circle::BuiltinOperator Reader::builtin_code(const ::circle::Operator *op) const
+{
+  uint32_t index = op->opcode_index();
+  assert(index < _op_codes.size());
+  const ::circle::OperatorCode *opcode = _op_codes.at(index);
+
+  return mio::circle::builtin_code_neutral(opcode);
+}
+
+std::string Reader::opcode_name(const ::circle::Operator *op) const
+{
+  uint32_t index = op->opcode_index();
+  assert(index < _op_codes.size());
+  const ::circle::OperatorCode *opcode = _op_codes.at(index);
+
+  if (!mio::circle::is_valid(opcode))
+  {
+    std::ostringstream oss;
+    oss << "(invalid: " << index << ")";
+    return oss.str();
+  }
+
+  return mio::circle::opcode_name(opcode);
+}
+
+std::vector<int32_t> Reader::outputs(const ::circle::Operator *op) const
+{
+  return as_index_vector(op->outputs());
+}
+
+std::string Reader::tensor_name(const ::circle::Tensor *tensor) const
+{
+  return mio::circle::tensor_name(tensor);
+}
+
+std::string Reader::tensor_dtype(const ::circle::Tensor *tensor) const
+{
+  return mio::circle::tensor_type(tensor);
+}
+
+bool Reader::select_subgraph(uint32_t sgindex)
+{
+  _subgraph_index = sgindex;
+  _tensors = nullptr;
+  _operators = nullptr;
+
+  _inputs.clear();
+  _outputs.clear();
+
+  if (_subgraphs->Length() <= sgindex)
+  {
+    assert(false);
+    return false;
+  }
+
+  const ::circle::SubGraph *subgraph = (*_subgraphs)[sgindex];
+
+  auto name = subgraph->name();
+  _subgraph_name = name ? name->c_str() : "(noname)";
+
+  _tensors = subgraph->tensors();
+  _operators = subgraph->operators();
+  _data_format = subgraph->data_format();
+
+  _inputs = as_index_vector(subgraph->inputs());
+  _outputs = as_index_vector(subgraph->outputs());
+
+  return true;
+}
+
+} // namespace circle
+} // namespace mio