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/******************************************************************************
* Project: PROJ
* Purpose: WKT parser common routines
* Author: Even Rouault, <even.rouault at spatialys.com>
*
******************************************************************************
* Copyright (c) 2018 Even Rouault, <even.rouault at spatialys.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
****************************************************************************/
#include "wkt_parser.hpp"
#include <algorithm>
#include <string>
// ---------------------------------------------------------------------------
void pj_wkt_error(pj_wkt_parse_context *context, const char *msg) {
context->errorMsg = "Parsing error : ";
context->errorMsg += msg;
context->errorMsg += ". Error occurred around:\n";
std::string ctxtMsg;
const int n = static_cast<int>(context->pszLastSuccess - context->pszInput);
int start_i = std::max(0, n - 40);
for (int i = start_i; i < n + 40 && context->pszInput[i]; i++) {
if (context->pszInput[i] == '\r' || context->pszInput[i] == '\n') {
if (i > n) {
break;
} else {
ctxtMsg.clear();
start_i = i + 1;
}
} else {
ctxtMsg += context->pszInput[i];
}
}
context->errorMsg += ctxtMsg;
context->errorMsg += '\n';
for (int i = start_i; i < n; i++)
context->errorMsg += ' ';
context->errorMsg += '^';
}
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