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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set et sw=2 ts=2: */
/***************************************************************************
* debug_filter.c
*
* Fri Dec 7 14:24:27 CET 2012
* Copyright 2012 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of Hugin.
*
* Hugin 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.
*
* Hugin 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 Hugin; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "hugin_filter.h"
#ifndef DISABLE_HUGIN
#include <string.h>
#include <stdlib.h>
#ifndef WITH_HUG_FILTER
#warning hugin_filter.c compiled but WITH_HUG_FILTER not defined
#endif
#define NELEM(x) (sizeof(x)/sizeof((x)[0]))
struct __debug_channel
{
char name[32];
unsigned flags;
};
#define __DEBUG_CHANNEL_MAX 256
static struct __debug_channel debug_channel[__DEBUG_CHANNEL_MAX];
static unsigned n_debug_channel = 0;
// Default is to enable everything...
static unsigned debug_flags = 0xffffffff;//(1<<__class_err)|(1<<__class_fixme);
int hug_filter_enabled(const enum __debug_class cl, const char *ch)
{
unsigned i;
for(i = 0; i < n_debug_channel; i++) {
if(!strcmp(ch, debug_channel[i].name)) {
return (debug_channel[i].flags & (1 << cl)) != 0;
}
}
return debug_flags & (1 << cl);
}
/*
* fmt := [set[,set]*]*
* set := [+-]channel
* | class[+-]channel
* | [+-]all
*/
int hug_filter_parse(const char *filter)
{
char *s;
char *next;
char *opt;
// NOTE: This must be identical to the debug_class_str in debug.c
const char * const debug_class_str[] =
{ "fixme", "err", "warn", "info", "debug" };
if(!(s = strdup(filter))) return 1;
for(opt = s; opt; opt = next) {
int set = 0;
int clr = 0;
unsigned i;
if((next = strchr(opt, ','))) *next++ = '\0';
char *p = opt + strcspn(opt, "+-");
if(!*p) p = opt; // All chars -> a channel name
if(p > opt) {
// we have a class
for(i = 0; i < NELEM(debug_class_str); i++) {
int n = strlen(debug_class_str[i]);
if(n != (p - opt)) continue;
if(!memcmp(opt, debug_class_str[i], n)) {
// Found the class
if(*p == '+')
set = 1 << i;
else
clr = 1 << i;
break;
}
}
if(i == NELEM(debug_class_str)) continue;
} else {
if(*p == '-')
clr = ~0;
else
set = ~0;
}
if(*p == '+' || *p == '-') p++;
if(!*p) continue;
if(!strcmp("all", p)) {
debug_flags = (debug_flags & ~clr) | set;
} else {
if(strlen(p) >= sizeof(debug_channel[0].name)) continue;
for(i = 0; i < n_debug_channel; i++) {
if(!strcmp(p, debug_channel[i].name)) {
debug_channel[i].flags = (debug_channel[i].flags & ~clr) | set;
break;
}
}
if(i == n_debug_channel && n_debug_channel < __DEBUG_CHANNEL_MAX) {
strcpy(debug_channel[i].name, p);
debug_channel[i].flags = (debug_flags & ~clr) | set;
n_debug_channel++;
}
}
}
free(s);
return 0;
}
#endif/*DISABLE_HUGIN*/
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