Move cpp code to directory csrcs (#42)

* move cpp code to csrcs

* move cpp code to csrcs

fastdeploy/backends/paddle/paddle_backend.h

@@ -1,77 +0,0 @@
-// Copyright (c) 2022 PaddlePaddle Authors. 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.
-
-#pragma once
-
-#include <iostream>
-#include <memory>
-#include <string>
-#include <vector>
-
-#include "fastdeploy/backends/backend.h"
-#include "paddle_inference_api.h"  // NOLINT
-
-namespace fastdeploy {
-
-struct PaddleBackendOption {
-#ifdef WITH_GPU
-  bool use_gpu = true;
-#else
-  bool use_gpu = false;
-#endif
-  bool enable_mkldnn = true;
-
-  int mkldnn_cache_size = 1;
-  int cpu_thread_num = 8;
-  // initialize memory size(MB) for GPU
-  int gpu_mem_init_size = 100;
-  // gpu device id
-  int gpu_id = 0;
-};
-
-// Share memory buffer with paddle_infer::Tensor from fastdeploy::FDTensor
-void ShareTensorFromCpu(paddle_infer::Tensor* tensor, FDTensor& fd_tensor);
-
-// Copy memory data from paddle_infer::Tensor to fastdeploy::FDTensor
-void CopyTensorToCpu(std::unique_ptr<paddle_infer::Tensor>& tensor,
-                     FDTensor* fd_tensor);
-
-// Convert data type from paddle inference to fastdeploy
-FDDataType PaddleDataTypeToFD(const paddle_infer::DataType& dtype);
-
-class PaddleBackend : public BaseBackend {
- public:
-  PaddleBackend() {}
-  void BuildOption(const PaddleBackendOption& option);
-
-  bool InitFromPaddle(
-      const std::string& model_file, const std::string& params_file,
-      const PaddleBackendOption& option = PaddleBackendOption());
-
-  bool Infer(std::vector<FDTensor>& inputs, std::vector<FDTensor>* outputs);
-
-  int NumInputs() const { return inputs_desc_.size(); }
-
-  int NumOutputs() const { return outputs_desc_.size(); }
-
-  TensorInfo GetInputInfo(int index);
-  TensorInfo GetOutputInfo(int index);
-
- private:
-  paddle_infer::Config config_;
-  std::shared_ptr<paddle_infer::Predictor> predictor_;
-  std::vector<TensorInfo> inputs_desc_;
-  std::vector<TensorInfo> outputs_desc_;
-};
-}  // namespace fastdeploy