/****************************************************************************
** Copyright (C) 2001-2013 RibbonSoft, GmbH. All rights reserved.
** Copyright (C) 2001 Robert J. Campbell Jr.
**
** This file is part of the dxflib project.
**
** This file is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** Licensees holding valid dxflib Professional Edition licenses may use
** this file in accordance with the dxflib Commercial License
** Agreement provided with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.ribbonsoft.com for further details.
**
** Contact info@ribbonsoft.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/


#include <stdio.h>
#include <string.h>

#include "dl_writer_ascii.h"
#include "dl_exception.h"


/**
 * Closes the output file.
 */
void DL_WriterA::close() const
{
    m_ofile.close();
}


/**
 * @retval true Opening file has failed.
 * @retval false Otherwise.
 */
bool DL_WriterA::openFailed() const
{
    return m_ofile.fail();
}


/**
 * Writes a real (double) variable to the DXF file.
 *
 * @param gc Group code.
 * @param value Double value
 */
void DL_WriterA::dxfReal( int gc, double value ) const
{
    char str[256];

    if( version==DL_Codes::AC1009_MIN )
    {
        snprintf( str, sizeof( str ), "%.6lf", value );
    }
    else
    {
        snprintf( str, sizeof( str ), "%.16lf", value );
    }

    // fix for german locale:
    strReplace( str, ',', '.' );

    // Cut away those zeros at the end:
    bool    dot = false;
    int     end = -1;

    for( unsigned int i = 0; i<strlen( str ); ++i )
    {
        if( str[i]=='.' )
        {
            dot = true;
            end = i + 2;
            continue;
        }
        else if( dot && str[i]!='0' )
        {
            end = i + 1;
        }
    }

    if( end>0 && end<(int) strlen( str ) )
    {
        str[end] = '\0';
    }

    dxfString( gc, str );
    m_ofile.flush();
}


/**
 * Writes an int variable to the DXF file.
 *
 * @param gc Group code.
 * @param value Int value
 */
void DL_WriterA::dxfInt( int gc, int value ) const
{
    m_ofile << ( gc<10 ? "  " : (gc<100 ? " " : "") ) << gc << "\n" << value << "\n";
}


/**
 * Writes a hex int variable to the DXF file.
 *
 * @param gc Group code.
 * @param value Int value
 */
void DL_WriterA::dxfHex( int gc, int value ) const
{
    char str[12];

    snprintf( str, sizeof( str ), "%0X", value );
    dxfString( gc, str );
}


/**
 * Writes a string variable to the DXF file.
 *
 * @param gc Group code.
 * @param value String
 */
void DL_WriterA::dxfString( int gc, const char* value ) const
{
    if( value==NULL )
    {
#ifndef __GCC2x__
        // throw DL_NullStrExc();
#endif
        // KIDCAD CHANGE: if we're not going to throw we at least need to
        // exit before dereferencing the null value.
        return;
    }

    m_ofile << ( gc<10 ? "  " : (gc<100 ? " " : "") ) << gc << "\n"
            << value << "\n";
}


void DL_WriterA::dxfString( int gc, const std::string& value ) const
{
    m_ofile << ( gc<10 ? "  " : (gc<100 ? " " : "") ) << gc << "\n"
            << value << "\n";
}


/**
 * Replaces every occurence of src with dest in the null terminated str.
 */
void DL_WriterA::strReplace( char* str, char src, char dest )
{
    size_t i;

    for( i = 0; i<strlen( str ); i++ )
    {
        if( str[i]==src )
        {
            str[i] = dest;
        }
    }
}