/****************************************************************************
** 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.
**
**********************************************************************/

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

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

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


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


/**
 * @retval true Opening file has failed.
 * @retval false Otherwise.
 */
bool DL_WriterA::openFailed() const {
    if(m_pf) return false;
    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) {
        sprintf(str, "%.6lf", value);
    }
    else {
        sprintf(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);
    if(!m_pf) 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 {
    if(m_pf)
    {
        char buf[64];
        if(gc < 10) sprintf(buf, "  %d\n%d\n", gc, value);
        else if(gc < 100) sprintf(buf, " %d\n%d\n", gc, value);
        else sprintf(buf, " %d\n%d\n", gc, value);
        fwrite(buf, 1, strlen(buf), m_pf);
    }
    else
    {
        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];
    sprintf(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
    }
    if(m_pf)
    {
        char buf[64];
        if(gc < 10) sprintf(buf, "  %d\n", gc);
        else if(gc < 100) sprintf(buf, " %d\n", gc);
        else sprintf(buf, " %d\n", gc);
        fwrite(buf, 1, strlen(buf), m_pf);
        fwrite(value, 1, strlen(value), m_pf);
        fwrite("\n", 1, strlen("\n"), m_pf);
    }
    else
    {
        m_ofile << (gc<10 ? "  " : (gc<100 ? " " : "")) << gc << "\n"
        << value << "\n";
    }
}



void DL_WriterA::dxfString(int gc, const std::string& value) const {
    if(m_pf)
    {
        char buf[64];
        if(gc < 10) sprintf(buf, "  %d\n", gc);
        else if(gc < 100) sprintf(buf, " %d\n", gc);
        else sprintf(buf, " %d\n", gc);
        fwrite(buf, 1, strlen(buf), m_pf);
        fwrite(value.data(), 1, value.size(), m_pf);
        fwrite("\n", 1, strlen("\n"), m_pf);
    }
    else
    {
        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;
        }
    }
}

