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/*
* Common environment for most program functions
*
* Copyright (C) 2003 Enrico Zini <enrico@debian.org>
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "Environment.h"
#include <stdio.h>
#include <stdarg.h>
#include <unistd.h> // isatty
using namespace std;
Environment* Environment::instance = 0;
Environment& Environment::get() throw ()
{
if (instance == 0)
instance = new Environment;
return *instance;
}
// Initialize the environment with default values
Environment::Environment() throw ()
: _verbose(false), _debug(false) {}
void fatal_error(const char* fmt, ...) throw() ATTR_PRINTF(1, 2)
{
fprintf(stderr, "debtags: ");
va_list ap;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
fprintf(stderr, "\n");
exit(1);
}
void error(const char* fmt, ...) throw() ATTR_PRINTF(1, 2)
{
va_list ap;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
}
void warning(const char* fmt, ...) throw() ATTR_PRINTF(1, 2)
{
va_list ap;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
}
void verbose(const char* fmt, ...) throw() ATTR_PRINTF(1, 2)
{
if (Environment::get().verbose())
{
va_list ap;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
}
}
void debug(const char* fmt, ...) throw() ATTR_PRINTF(1, 2)
{
if (Environment::get().debug())
{
va_list ap;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
}
}
void feedback(const char* fmt, ...) throw() ATTR_PRINTF(1, 2)
{
if (isatty(1))
{
va_list ap;
va_start(ap, fmt);
vfprintf(stdout, fmt, ap);
va_end(ap);
}
}
// vim:set ts=4 sw=4:
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