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71 lines
1.2 KiB
71 lines
1.2 KiB
3 years ago
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/*
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* Copyright (C) 2021 Riyyi
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*
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* SPDX-License-Identifier: MIT
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*/
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#include <cassert> // assert
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#include <cstdint> // int32_t
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#include <fstream> // ifstream, ios, ofstream
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#include <memory> // make_unique
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#include <string>
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#include "util/file.h"
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namespace Util {
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File::File(const std::string& path)
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: m_path(path)
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{
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// Create input stream object and open file
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std::ifstream file(path, std::ios::in);
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assert(file.is_open());
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// Get length of the file
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file.seekg(0, std::ios::end);
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int32_t size = file.tellg();
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file.seekg(0, std::ios::beg);
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assert(size != -1);
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// Allocate memory filled with zeros
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auto buffer = std::make_unique<char[]>(size);
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// Fill buffer with file contents
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file.read(buffer.get(), size);
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file.close();
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m_data = std::string(buffer.get(), size);
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}
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File::~File()
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{
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}
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// -----------------------------------------
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void File::clear()
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{
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m_data.clear();
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}
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File& File::append(std::string data)
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{
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m_data.append(data);
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return *this;
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}
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File& File::flush()
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{
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// Create output stream object and open file
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std::ofstream file(m_path, std::ios::out | std::ios::trunc);
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assert(file.is_open());
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// Write data to disk
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file.write(m_data.c_str(), m_data.size());
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return *this;
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}
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} // namespace Util
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