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/* err.c
* Copyright (c) 2011, Peter Ohler
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* - Neither the name of Peter Ohler nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdarg.h>
#include "err.h"
void
ox_err_set(Err e, VALUE clas, const char *format, ...) {
va_list ap;
va_start(ap, format);
e->clas = clas;
vsnprintf(e->msg, sizeof(e->msg) - 1, format, ap);
va_end(ap);
}
#if __GNUC__ > 4
_Noreturn void
#else
void
#endif
ox_err_raise(Err e) {
rb_raise(e->clas, "%s", e->msg);
}
void
_ox_err_set_with_location(Err err, const char *msg, const char *xml, const char *current, const char* file, int line) {
int xline = 1;
int col = 1;
for (; xml < current && '\n' != *current; current--) {
col++;
}
for (; xml < current; current--) {
if ('\n' == *current) {
xline++;
}
}
ox_err_set(err, ox_parse_error_class, "%s at line %d, column %d [%s:%d]\n", msg, xline, col, file, line);
}
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