FileHelper for cpp

file_util.hpp

#pragma once

#include <string>

namespace util
{
    class FileUtil
    {
    public:
        static bool read_file(const char* file_path, std::string &result)
        {
            FILE* file = nullptr;
            auto errno_t = fopen_s(&file, file_path, "r+");

            if (file == nullptr)
            {
                // todo log error info
                return false;
            }

            fseek(file, 0, SEEK_END);
            const size_t size = ftell(file);

            const auto content = new char[size];
            memset(content, 0, size);

            rewind(file);
            fread(content, sizeof(char), size, file);
            fclose(file);

            result.assign(content, size);

            delete[] content;
            return true;
        }

        static bool write_file(const char* file_path, const std::string& content)
        {
            FILE* file = nullptr;
            auto errno_t = fopen_s(&file, file_path, "w+");

            if (file == nullptr)
            {
                // todo log error info
                return false;
            }

            const auto content_chars = content.c_str();

            fwrite(content_chars, sizeof(char), content.size(), file);
            fclose(file);
            return true;
        }
    };
}