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/* list of projection system errno values */
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include "proj.h"
#include "proj_config.h"
#include "proj_internal.h"
const char* proj_errno_string(int err) {
return proj_context_errno_string(pj_get_default_ctx(), err);
}
static const struct
{
int num;
const char *str;
} error_strings[] = {
{ PROJ_ERR_INVALID_OP_WRONG_SYNTAX, _("Invalid PROJ string syntax") },
{ PROJ_ERR_INVALID_OP_MISSING_ARG, _("Missing argument") },
{ PROJ_ERR_INVALID_OP_ILLEGAL_ARG_VALUE, _("Invalid value for an argument") },
{ PROJ_ERR_INVALID_OP_MUTUALLY_EXCLUSIVE_ARGS, _("Mutually exclusive arguments") },
{ PROJ_ERR_INVALID_OP_FILE_NOT_FOUND_OR_INVALID, _("File not found or invalid") },
{ PROJ_ERR_COORD_TRANSFM_INVALID_COORD, _("Invalid coordinate") },
{ PROJ_ERR_COORD_TRANSFM_OUTSIDE_PROJECTION_DOMAIN, _("Point outside of projection domain") },
{ PROJ_ERR_COORD_TRANSFM_NO_OPERATION, _("No operation matching criteria found for coordinate") },
{ PROJ_ERR_COORD_TRANSFM_OUTSIDE_GRID, _("Coordinate to transform falls outside grid") },
{ PROJ_ERR_COORD_TRANSFM_GRID_AT_NODATA, _("Coordinate to transform falls into a grid cell that evaluates to nodata") },
{ PROJ_ERR_OTHER_API_MISUSE, _("API misuse") },
{ PROJ_ERR_OTHER_NO_INVERSE_OP, _("No inverse operation") },
{ PROJ_ERR_OTHER_NETWORK_ERROR, _("Network error when accessing a remote resource") },
};
const char PROJ_DLL * proj_context_errno_string(PJ_CONTEXT* ctx, int err)
{
if( ctx == nullptr )
ctx = pj_get_default_ctx();
if (0==err)
return nullptr;
const char* str = nullptr;
for( const auto& num_str_pair: error_strings )
{
if( err == num_str_pair.num )
{
str = num_str_pair.str;
break;
}
}
if( str == nullptr && err > 0 && (err & PROJ_ERR_INVALID_OP) != 0 )
{
str = _("Unspecified error related to coordinate operation initialization");
}
if( str == nullptr && err > 0 && (err & PROJ_ERR_COORD_TRANSFM) != 0 )
{
str = _("Unspecified error related to coordinate transformation");
}
if (str) {
ctx->lastFullErrorMessage = str;
}
else
{
ctx->lastFullErrorMessage.resize(50);
snprintf(&ctx->lastFullErrorMessage[0], ctx->lastFullErrorMessage.size(),
_("Unknown error (code %d)"), err);
ctx->lastFullErrorMessage.resize(strlen(ctx->lastFullErrorMessage.data()));
}
return ctx->lastFullErrorMessage.c_str();
}
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