csvWriter.hpp

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/*
 * Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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 * DEALINGS IN THE SOFTWARE.
 */
 
#ifndef __CSV_WRITER_HPP_
#define __CSV_WRITER_HPP_
 
 
#include "csvWriter.h"
#include "logging.h"
 
 
// constructor
csvWriter::csvWriter( const char* filename, const char* delimiter )
{
        if( !filename || !delimiter )
                return;
 
        mFile.open(filename);
 
        if( !IsOpen() )
        {
                LogError("csvWriter -- failed to open file %s\n", filename);
                return;
        }
 
        mFilename  = filename;
        mDelimiter = delimiter;
        mNewLine   = true;
}
 
 
// destructor
csvWriter::~csvWriter()
{
        Close();
}
 
        
// open
inline csvWriter* csvWriter::Open( const char* filename, const char* delimiter )
{
        if( !filename || !delimiter )
                return NULL;
 
        csvWriter* csv = new csvWriter(filename, delimiter);
 
        if( !csv->IsOpen() )
        {
                delete csv;
                return NULL;
        }
 
        return csv;
}
 
// close
inline void csvWriter::Close()
{
        if( IsClosed() )
                return;
 
        Flush();
        mFile.close();
}
 
// flush
inline void csvWriter::Flush()
{
        mFile.flush();
}
 
// isOpen
inline bool csvWriter::IsOpen() const
{
        return mFile.is_open();
}
 
// isClosed
inline bool csvWriter::IsClosed() const
{
        return !IsOpen();
}
 
// EndLine
inline void csvWriter::EndLine()
{
        mFile << std::endl;
        mNewLine = true;
}
 
// Write
template<typename T>
inline csvWriter& csvWriter::Write( const T& value )
{
        if( !mNewLine )
                mFile << mDelimiter;
        else
                mNewLine = false;
 
        mFile << value;
        return *this;
}
 
// Write
template<typename T, typename... Args>
inline csvWriter& csvWriter::Write( const T& value, const Args&... args )
{
        Write(value);
        Write(args...);
        return *this;
}
 
// WriteLine
template<typename T, typename... Args>
inline csvWriter& csvWriter::WriteLine( const T& value, const Args&... args )
{
        Write(value);
        Write(args...);
        EndLine();
        return *this;
}
 
// stream insertion
template<typename T>
inline csvWriter& csvWriter::operator << ( const T& value )
{
        return Write(value);
}
 
// stream manipulator
inline csvWriter& csvWriter::operator << ( csvWriter& (*value)(csvWriter&) )
{
        return value(*this);
}
 
// SetDelimiter
inline void csvWriter::SetDelimiter( const char* delimiter )
{
        mDelimiter = delimiter;
}
 
// GetDelimiter
inline const char* csvWriter::GetDelimiter() const
{
        return mDelimiter.c_str();
}
 
// GetFilename
inline const char* csvWriter::GetFilename() const
{
        return mFilename.c_str();
}
 
//----------------------------------------------------------------
namespace csv
{
 
// endl
inline static csvWriter& endl( csvWriter& file )
{
    file.EndLine();
    return file;
}
 
// flush
inline static csvWriter& flush( csvWriter& file )
{
    file.Flush();
    return file;
}
 
}
 
#endif