inputStream.hpp

Go to the documentation of this file.

/*
 * Copyright (c) 2014 Patrick P. Frey
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
#ifndef _STRUS_BASE_INPUT_STREAM_HPP_INCLUDED
#define _STRUS_BASE_INPUT_STREAM_HPP_INCLUDED
#include <string>
#include <fstream>
#include <cstdio>

namespace strus {

class InputStream
{
public:
        explicit InputStream( const std::string& docpath);

        ~InputStream();

        std::size_t read( char* buf, std::size_t bufsize);

        const char* readLine( char* buf, std::size_t bufsize, bool failOnNoLine=false);

        std::size_t readAhead( char* buf, std::size_t bufsize);

        unsigned int error() const;

        bool eof();

private:
        FILE* m_fh;
        std::string m_docpath;
        std::ifstream m_stream;
        std::string m_buffer;
        std::size_t m_bufferidx;
        unsigned int m_errno;
};

}
#endif