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/* err.c
* Copyright (c) 2011, Peter Ohler
* All rights reserved.
*/
#include "err.h"
#include <stdarg.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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