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-rw-r--r--compiler/circle2circle/src/Model.cpp78
1 files changed, 78 insertions, 0 deletions
diff --git a/compiler/circle2circle/src/Model.cpp b/compiler/circle2circle/src/Model.cpp
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+/*
+ * Copyright (c) 2020 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 "Model.h"
+
+#include <fstream>
+#include <vector>
+
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/stat.h>
+
+namespace
+{
+
+class FileModel final : public luci::Model
+{
+public:
+ explicit FileModel(const std::string &filename) : _filename(filename) {}
+
+public:
+ FileModel(const FileModel &) = delete;
+ FileModel(FileModel &&) = delete;
+
+public:
+ const ::circle::Model *model(void) override
+ {
+ std::ifstream file(_filename, std::ios::binary | std::ios::in);
+ if (!file.good())
+ return nullptr;
+
+ file.unsetf(std::ios::skipws);
+
+ std::streampos fileSize;
+ file.seekg(0, std::ios::end);
+ fileSize = file.tellg();
+ file.seekg(0, std::ios::beg);
+
+ // reserve capacity
+ _data.reserve(fileSize);
+
+ // read the data
+ file.read(_data.data(), fileSize);
+ if (file.fail())
+ return nullptr;
+
+ return ::circle::GetModel(_data.data());
+ }
+
+private:
+ const std::string _filename;
+ std::vector<char> _data;
+};
+
+} // namespace
+
+namespace luci
+{
+
+std::unique_ptr<Model> load_model(const std::string &path)
+{
+ return std::unique_ptr<Model>{new FileModel(path)};
+}
+
+} // namespace luci