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/******************************************************************************
*
* Project: PROJ
* Purpose: Utilities for command line arguments
* Author: Even Rouault <even dot rouault at spatialys dot com>
*
******************************************************************************
* Copyright (c) 2019, Even Rouault <even dot rouault at spatialys dot 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 "utils.h"
#include <string.h>
bool validate_form_string_for_numbers(const char* formatString) {
/* Only accepts '%[+]?[number]?[.]?[number]?[e|E|f|F|g|G]' */
bool valid = true;
if( formatString[0] != '%' )
valid = false;
else {
auto oformLen = strlen(formatString);
for( int i = 1; i < static_cast<int>(oformLen) - 1; i++ ) {
if( !(formatString[i] == '.' ||
formatString[i] == '+' ||
(formatString[i] >= '0' && formatString[i] <= '9')) ) {
valid = false;
break;
}
}
if( valid ) {
valid = formatString[oformLen-1] == 'e' ||
formatString[oformLen-1] == 'E' ||
formatString[oformLen-1] == 'f' ||
formatString[oformLen-1] == 'F' ||
formatString[oformLen-1] == 'g' ||
formatString[oformLen-1] == 'G';
}
}
return valid;
}
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