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// Boost.Geometry
// This file is manually converted from PROJ4

// This file was modified by Oracle on 2017, 2018.
// Modifications copyright (c) 2017-2018, Oracle and/or its affiliates.
// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle

// Use, modification and distribution is subject to the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)

// This file is converted from PROJ4, http://trac.osgeo.org/proj
// PROJ4 is originally written by Gerald Evenden (then of the USGS)
// PROJ4 is maintained by Frank Warmerdam
// This file was converted to Geometry Library by Adam Wulkiewicz

// Original copyright notice:

// None

/* list of projection system pj_errno values */

#ifndef BOOST_GEOMETRY_PROJECTIONS_IMPL_PJ_STRERRNO_HPP
#define BOOST_GEOMETRY_PROJECTIONS_IMPL_PJ_STRERRNO_HPP

#include <cerrno>
#include <cstring>
#include <sstream>
#include <string>

namespace boost { namespace geometry { namespace projections
{

namespace detail
{

    static const char *
pj_err_list[] = {
    "no arguments in initialization list",                             /*  -1 */
    "no options found in 'init' file",                                 /*  -2 */
    "no colon in init= string",                                        /*  -3 */
    "projection not named",                                            /*  -4 */
    "unknown projection id",                                           /*  -5 */
    "effective eccentricity = 1.",                                     /*  -6 */
    "unknown unit conversion id",                                      /*  -7 */
    "invalid boolean param argument",                                  /*  -8 */
    "unknown elliptical parameter name",                               /*  -9 */
    "reciprocal flattening (1/f) = 0",                                 /* -10 */
    "|radius reference latitude| > 90",                                /* -11 */
    "squared eccentricity < 0",                                        /* -12 */
    "major axis or radius = 0 or not given",                           /* -13 */
    "latitude or longitude exceeded limits",                           /* -14 */
    "invalid x or y",                                                  /* -15 */
    "improperly formed DMS value",                                     /* -16 */
    "non-convergent inverse meridional dist",                          /* -17 */
    "non-convergent inverse phi2",                                     /* -18 */
    "acos/asin: |arg| >1.+1e-14",                                      /* -19 */
    "tolerance condition error",                                       /* -20 */
    "conic lat_1 = -lat_2",                                            /* -21 */
    "lat_1 >= 90",                                                     /* -22 */
    "lat_1 = 0",                                                       /* -23 */
    "lat_ts >= 90",                                                    /* -24 */
    "no distance between control points",                              /* -25 */
    "projection not selected to be rotated",                           /* -26 */
    "W <= 0 or M <= 0",                                                /* -27 */
    "lsat not in 1-5 range",                                           /* -28 */
    "path not in range",                                               /* -29 */
    "h <= 0",                                                          /* -30 */
    "k <= 0",                                                          /* -31 */
    "lat_0 = 0 or 90 or alpha = 90",                                   /* -32 */
    "lat_1=lat_2 or lat_1=0 or lat_2=90",                              /* -33 */
    "elliptical usage required",                                       /* -34 */
    "invalid UTM zone number",                                         /* -35 */
    "arg(s) out of range for Tcheby eval",                             /* -36 */
    "failed to find projection to be rotated",                         /* -37 */
    "failed to load datum shift file",                                 /* -38 */
    "both n & m must be spec'd and > 0",                               /* -39 */
    "n <= 0, n > 1 or not specified",                                  /* -40 */
    "lat_1 or lat_2 not specified",                                    /* -41 */
    "|lat_1| == |lat_2|",                                              /* -42 */
    "lat_0 is pi/2 from mean lat",                                     /* -43 */
    "unparseable coordinate system definition",                        /* -44 */
    "geocentric transformation missing z or ellps",                    /* -45 */
    "unknown prime meridian conversion id",                            /* -46 */
    "illegal axis orientation combination",                            /* -47 */
    "point not within available datum shift grids",                    /* -48 */
    "invalid sweep axis, choose x or y",                               /* -49 */
    "malformed pipeline",                                              /* -50 */
};

inline std::string pj_generic_strerrno(std::string const& msg, int err)
{
    std::stringstream ss;
    ss << msg << " (" << err << ")";
    return ss.str();
}

inline std::string pj_strerrno(int err) {
    if (0==err)
    {
        return "";
    }
    else if (err > 0)
    {
        // std::strerror function may be not thread-safe
        //return std::strerror(err);

        switch(err)
        {
#ifdef EINVAL
            case EINVAL:
                return "Invalid argument";
#endif
#ifdef EDOM
            case EDOM:
                return "Math argument out of domain of func";
#endif
#ifdef ERANGE
            case ERANGE:
                return "Math result not representable";
#endif
            default:
                return pj_generic_strerrno("system error", err);
        }
    }
    else /*if (err < 0)*/
    {
        size_t adjusted_err = - err - 1;
        if (adjusted_err < (sizeof(pj_err_list) / sizeof(char *)))
        {
            return(pj_err_list[adjusted_err]);
        }
        else
        {
            return pj_generic_strerrno("invalid projection system error", err);
        }
    }
}

} // namespace detail

}}} // namespace boost::geometry::projections

#endif // BOOST_GEOMETRY_PROJECTIONS_IMPL_PJ_STRERRNO_HPP