rcpp_framework/core/cache_file.h

51 lines
1.0 KiB
C++

/**
*
* CacheFile.h
* An Tao
*
* Copyright 2018, An Tao. All rights reserved.
* https://github.com/an-tao/drogon
* Use of this source code is governed by a MIT license
* that can be found in the License file.
*
* Drogon
*
*/
#pragma once
#include <core/string_view.h>
#include <trantor/utils/NonCopyable.h>
#include <string>
#include <stdio.h>
namespace drogon
{
class CacheFile : public trantor::NonCopyable
{
public:
explicit CacheFile(const std::string &path, bool autoDelete = true);
~CacheFile();
void append(const std::string &data)
{
append(data.data(), data.length());
}
void append(const char *data, size_t length);
string_view getStringView()
{
if (data())
return string_view(data_, dataLength_);
return string_view();
}
private:
char *data();
size_t length();
FILE *file_{nullptr};
bool autoDelete_{true};
const std::string path_;
char *data_{nullptr};
size_t dataLength_{0};
};
} // namespace drogon