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/*
* log.c
*
* Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.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 "config.h"
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <ctype.h>
#include <time.h>
#include <libintl.h>
#include <alpm.h>
/* pacman */
#include "log.h"
#include "conf.h"
#include "util.h"
#define LOG_STR_LEN 256
extern config_t *config;
static int neednl = 0; /* for cleaner message output */
static int needpad = 0; /* pad blanks to terminal width */
/* simple helper for needpad */
void set_output_padding(int on)
{
needpad = on;
}
/* Callback to handle notifications from the library
*/
void cb_log(unsigned short level, char *msg)
{
char str[LOG_STR_LEN] = "";
if(!strlen(msg)) {
return;
}
switch(level) {
case PM_LOG_DEBUG:
sprintf(str, _("debug"));
break;
case PM_LOG_ERROR:
sprintf(str, _("error"));
break;
case PM_LOG_WARNING:
sprintf(str, _("warning"));
break;
case PM_LOG_FUNCTION:
/* TODO we should increase the indent level when this occurs so we can see
* program flow easier. It'll be fun
*/
sprintf(str, _("function"));
break;
default:
sprintf(str, "???");
break;
}
#ifdef PACMAN_DEBUG
/* If debug is on, we'll timestamp the output */
if(alpm_option_get_logmask() & PM_LOG_DEBUG) {
time_t t;
struct tm *tmp;
char timestr[10] = {0};
t = time(NULL);
tmp = localtime(&t);
strftime(timestr, 9, "%H:%M:%S", tmp);
timestr[8] = '\0';
MSG(NL, "[%s] %s: %s", timestr, str, msg);
} else {
MSG(NL, "%s: %s", str, msg);
}
#else
MSG(NL, "%s: %s", str, msg);
#endif
}
/* Wrapper to fprintf() that allows to choose if we want the output
* to be appended on the current line, or written to a new one
*/
void pm_fprintf(FILE *file, unsigned short line, char *fmt, ...)
{
va_list args;
char str[LOG_STR_LEN];
int len = 0;
if(neednl == 1 && line == NL) {
fprintf(file, "\n");
neednl = 0;
}
if(!fmt) {
return;
}
va_start(args, fmt);
vsnprintf(str, LOG_STR_LEN, fmt, args);
va_end(args);
len = strlen(str);
if(needpad == 1 && str[len-1] == '\n') {
/* we want this removed so we can pad */
str[len-1] = ' ';
neednl = 1;
}
fprintf(file, str);
if(needpad == 1) {
unsigned int i, cols = getcols();
for(i=len; i < cols; ++i) {
fprintf(file, " ");
}
if(neednl == 1 && line == NL) {
fprintf(file, "\n");
neednl = 0;
}
}
fflush(file);
neednl = (str[strlen(str)-1] == '\n') ? 0 : 1;
}
/* Check verbosity option and, if set, print the
* string to stdout
*/
void vprint(char *fmt, ...)
{
va_list args;
char str[LOG_STR_LEN];
if(config->verbose > 0) {
va_start(args, fmt);
vsnprintf(str, LOG_STR_LEN, fmt, args);
va_end(args);
pm_fprintf(stdout, NL, str);
}
}
/* presents a prompt and gets a Y/N answer
*/
int yesno(char *fmt, ...)
{
char str[LOG_STR_LEN];
char response[32];
va_list args;
if(config->noconfirm) {
return(1);
}
va_start(args, fmt);
vsnprintf(str, LOG_STR_LEN, fmt, args);
va_end(args);
/* Use stderr so questions are always displayed when redirecting output */
pm_fprintf(stderr, NL, str); \
if(fgets(response, 32, stdin)) {
/* trim whitespace and newlines */
char *pch = response;
while(isspace(*pch)) {
pch++;
}
if(pch != response) {
memmove(response, pch, strlen(pch) + 1);
}
pch = response + strlen(response) - 1;
while(isspace(*pch)) {
pch--;
}
*++pch = 0;
if(strlen(response) != 0) {
strtrim(response);
}
/* User hits 'enter', forcing a newline here */
neednl = 0;
if(!strcasecmp(response, _("Y")) || !strcasecmp(response, _("YES")) || strlen(response) == 0) {
return(1);
}
}
return(0);
}
/* vim: set ts=2 sw=2 noet: */
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