Aegisub/libass/ass_utils.c

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// -*- c-basic-offset: 8; indent-tabs-mode: t -*-
// vim:ts=8:sw=8:noet:ai:
/*
Copyright (C) 2006 Evgeniy Stepanov <eugeni.stepanov@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include <stdlib.h>
#include <inttypes.h>
#include "mputils.h"
#include "ass_utils.h"
int mystrtoi(char** p, int base, int* res)
{
char* start = *p;
*res = strtol(*p, p, base);
if (*p != start) return 1;
else return 0;
}
int mystrtou32(char** p, int base, uint32_t* res)
{
char* start = *p;
*res = strtoll(*p, p, base);
if (*p != start) return 1;
else return 0;
}
int mystrtod(char** p, double* res)
{
char* start = *p;
*res = strtod(*p, p);
if (*p != start) return 1;
else return 0;
}
int strtocolor(char** q, uint32_t* res)
{
uint32_t color = 0;
int result;
char* p = *q;
if (*p == '&') ++p;
else mp_msg(MSGT_ASS, MSGL_DBG2, "suspicious color format: \"%s\"\n", p);
if (*p == 'H' || *p == 'h') {
++p;
result = mystrtou32(&p, 16, &color);
} else {
result = mystrtou32(&p, 0, &color);
}
{
unsigned char* tmp = (unsigned char*)(&color);
unsigned char b;
b = tmp[0]; tmp[0] = tmp[3]; tmp[3] = b;
b = tmp[1]; tmp[1] = tmp[2]; tmp[2] = b;
}
if (*p == '&') ++p;
*q = p;
*res = color;
return result;
}