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/*
* Copyright (c) 2018 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 "support/CommandLine.h"
#include <dirent.h>
#include <cstring>
namespace nnc
{
namespace cli
{
void checkInFile(const Option<std::string> &in_file)
{
if (in_file.empty())
throw BadOption("Input file name should not be empty");
auto f = fopen(in_file.c_str(), "rb");
if (!f)
throw BadOption("Cannot open file <" + in_file + ">");
fclose(f);
} // checkInFile
void checkOutFile(const Option<std::string> &out_file)
{
if (out_file.empty())
throw BadOption("Output file name should not be empty");
/// @todo: if file already exists need to check accessibility
} // checkOutFile
void checkInDir(const Option<std::string> &dir)
{
auto stream = opendir(dir.c_str());
if (stream == nullptr)
throw BadOption(std::string("Could not open directory: ") + std::strerror(errno) + ".");
closedir(stream);
} // checkInDir
void checkOutDir(const Option<std::string> &dir)
{
auto stream = opendir(dir.c_str());
if (stream == nullptr)
{
// Do not consider the missing directory an error.
if (errno == ENOENT)
return;
throw BadOption(std::string("Could not open directory: ") + std::strerror(errno) + ".");
}
closedir(stream);
} // checkOutDir
} // namespace cli
} // namespace nnc
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