// ***************************************************************** -*- C++ -*-
/*
 * Copyright (C) 2005-2007 Andreas Huggel <ahuggel@gmx.net>
 *
 * This program is part of the Exiv2 distribution.
 *
 * This program 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301 USA.
 */
/*
  File:      error.cpp
  Version:   $Rev$
  Author(s): Andreas Huggel (ahu) <ahuggel@gmx.net>
  History:   02-Apr-05, ahu: created
 */
// *****************************************************************************
#include "rcsid.hpp"
EXIV2_RCSID("@(#) $Id$")

// *****************************************************************************
// included header files
#include "error.hpp"
#include "i18n.h"                // NLS support.

// + standard includes
#include <string>

// *****************************************************************************
// class member definitions
namespace Exiv2 {

    const ErrMsg Error::errMsg_[] = {
        ErrMsg( -1, N_("Error %0: arg1=%1, arg2=%2, arg3=%3.")),
        ErrMsg(  0, N_("Success")),
        ErrMsg(  1, "%1"), // %1=error message
        ErrMsg(  2, "%1: %2 (%3)"), // %1=path, %2=strerror, %3=function that failed
        ErrMsg(  3, N_("This does not look like a %1 image")), // %1=Image type
        ErrMsg(  4, N_("Invalid dataset name `%1'")), // %1=dataset name
        ErrMsg(  5, N_("Invalid record name `%1'")), // %1=record name
        ErrMsg(  6, N_("Invalid key `%1'")), // %1=key
        ErrMsg(  7, N_("Invalid tag name or ifdId `%1', ifdId %2")), // %1=tag name, %2=ifdId
        ErrMsg(  8, N_("Value not set")),
        ErrMsg(  9, N_("%1: Failed to open the data source: %2")), // %1=path, %2=strerror
        ErrMsg( 10, N_("%1: Failed to open file (%2): %3")), // %1=path, %2=mode, %3=strerror
        ErrMsg( 11, N_("%1: The file contains data of an unknown image type")), // %1=path
        ErrMsg( 12, N_("The memory contains data of an unknown image type")),
        ErrMsg( 13, N_("Image type %1 is not supported")), // %1=image type
        ErrMsg( 14, N_("Failed to read image data")),
        ErrMsg( 15, N_("This does not look like a JPEG image")),
        ErrMsg( 16, N_("MakerTagInfo registry full")),
        ErrMsg( 17, N_("%1: Failed to rename file to %2: %3")), // %1=old path, %2=new path, %3=strerror
        ErrMsg( 18, N_("%1: Transfer failed: %2")), // %1=path, %2=strerror
        ErrMsg( 19, N_("Memory transfer failed: %1")), // %1=strerror
        ErrMsg( 20, N_("Failed to read input data")),
        ErrMsg( 21, N_("Failed to write image")),
        ErrMsg( 22, N_("Input data does not contain a valid image")),
        ErrMsg( 23, N_("Failed to create Makernote for ifdId %1")), // %1=ifdId
        ErrMsg( 24, N_("Entry::setValue: Value too large (tag=%1, size=%2, requested=%3)")), // %1=tag, %2=dataSize, %3=required size
        ErrMsg( 25, N_("Entry::setDataArea: Value too large (tag=%1, size=%2, requested=%3)")), // %1=tag, %2=dataAreaSize, %3=required size
        ErrMsg( 26, N_("Offset out of range")),
        ErrMsg( 27, N_("Unsupported data area offset type")),
        ErrMsg( 28, N_("Invalid charset: `%1'")), // %1=charset name
        ErrMsg( 29, N_("Unsupported date format")),
        ErrMsg( 30, N_("Unsupported time format")),
        ErrMsg( 31, N_("Writing %1 to %2 images is not supported")), // %1=metadata type, %2=image format
        ErrMsg( 32, N_("%1 in %2 images is not supported")), // %1=metadata type, %2=image format
        ErrMsg( 33, N_("This does not look like a CRW image")),
        ErrMsg( 34, N_("%1: Not supported")), // %1=function
        ErrMsg( 35, N_("ImageFactory registry full")),
        ErrMsg( 36, N_("Failed to decode %1 metadata")), // %1=type of metadata (Exif, IPTC)
        ErrMsg( 37, N_("Size of %1 JPEG segment is larger than 65535 bytes")), // %1=type of metadata (Exif, IPTC, JPEG comment)

        // Last error message (message is not used)
        ErrMsg( -2, N_("(Unknown Error)"))
    };

    int Error::errorIdx(int code)
    {
        int idx;
        for (idx = 0; errMsg_[idx].code_ != code; ++idx) {
            if (errMsg_[idx].code_ == -2) return 0;
        }
        return idx;
    }

    std::string Error::what() const
    {
        int idx = errorIdx(code_);
        std::string msg = std::string(_(errMsg_[idx].message_));
        std::string::size_type pos;
        pos = msg.find("%0");
        if (pos != std::string::npos) {
            msg.replace(pos, 2, toString(code_));
        }
        if (count_ > 0) {
            pos = msg.find("%1");
            if (pos != std::string::npos) {
                msg.replace(pos, 2, arg1_);
            }
        }
        if (count_ > 1) {
            pos = msg.find("%2");
            if (pos != std::string::npos) {
                msg.replace(pos, 2, arg2_);
            }
        }
        if (count_ > 2) {
            pos = msg.find("%3");
            if (pos != std::string::npos) {
                msg.replace(pos, 2, arg3_);
            }
        }
        return msg;
    }

}                                       // namespace Exiv2