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/*
* imgvinfo.c
* Pilot Image Viewer header dumper.
*
* Copyright (C) 1997 Eric A. Howe
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Authors: Eric A. Howe (mu@trends.net)
*/
#include <mine/slop.h>
MU_ID("$Mu: imgvtopgm/imgvinfo.c 1.21 1999/05/09 07:58:02 $")
#include <time.h>
#include <stdlib.h>
#include <mine/ipdb.h>
/*
* These tend to live in different places on different systems so I'll
* just do it by hand and assume you have a proper libc.
*/
extern int optind;
extern char *optarg;
extern int getopt(int, char *const *, const char *);
/*
* "Globals". I would just use plain global variables but I have a
* pathalogical problem with writable globals.
*/
typedef struct {
char *timefmt;
int utc;
IPDB *pdb;
} SLOP;
/*
* Default time format (this is ISO8601 standard, see strftime(3) for
* the available codes).
*/
#define TIMEFMT "%Y-%m-%d %H:%M:%S"
static int
version(const char *me)
{
printf("%s %s\n", me, VERSION);
return EXIT_SUCCESS;
}
#define OPTS "hvt:ul"
static char *usefmt = "%s [-hv] [-t fmt] [-{u|l}] [in [...]]\n";
static char *explain[] = {
"\tDump the header information for a Pilot Image Viewer pdb file.",
"\tThis program was originally written to test some .pdb header",
"\tparsing code but it may be a usefull little tool anyway.",
"",
"\t-h Display this usage message and exit.",
"\t-v Display the version number and exit.",
"\t-t fmt Specify the time display format (see strftime(3)).",
"\t-u Display times in UTC.",
"\t-l Display times in the local timezone (default).",
"",
"\tThe default time format is \"" TIMEFMT "\" (ISO8601 standard).",
"\tA file name of \"-\" means to read the standard input.",
NULL
};
static int
usage(const char *me, int ret)
{
char **s;
printf(usefmt, me);
for(s = &explain[0]; *s != NULL; ++s)
printf("%s\n", *s);
return ret;
}
static SLOP *
readit(char *name, SLOP *s)
{
FILE *fp = NULL;
IPDB *pdb = NULL;
int status;
if(name == NULL || strcmp(name, "-") == 0) {
fp = stdin;
}
else if((fp = fopen(name, "r")) == NULL) {
pm_message("cannot open %s: %s", name, strerror(errno));
goto TheEnd;
}
if((pdb = ipdb_alloc(NULL)) == NULL) {
pm_message("%s: %s", name, ipdb_err(ENOMEM));
goto TheEnd;
}
if((status = ipdb_read(pdb, fp)) != 0) {
pm_message("%s: %s", name, ipdb_err(status));
pdb = ipdb_free(pdb);
goto TheEnd;
}
TheEnd:
if(fp != NULL && fp != stdin)
fclose(fp);
s->pdb = pdb;
return s;
}
static char *
ptime(SLOP *s, time_t t)
{
static char buf[1024];
struct tm *(*tf)(const time_t *) = s->utc ? gmtime : localtime;
strftime(buf, sizeof(buf) - 1, s->timefmt, tf(&t));
return buf;
}
static char *
typestr(IPDB *pdb)
{
char *s;
switch(ipdb_type(pdb)) {
case IMG_GRAY16:s = "grayscale16"; break;
case IMG_GRAY: s = "grayscale"; break;
case IMG_MONO: s = "monochrome"; break;
default: s = "unknown"; break;
}
return s;
}
#define compstr(pdb) (ipdb_compressed(pdb) ? "compressed" : "uncompressed")
static void
dumpit(SLOP *s, char *file)
{
IPDB *pdb = s->pdb;
char *note = NULL;
if(pdb == NULL)
return;
printf("file:\t\t%s\n", file == NULL ? "-" : file);
printf("name:\t\t%s (%s)\n", ipdb_iname(pdb), ipdb_pname(pdb));
printf("created:\t%s\n", ptime(s, ipdb_ctime(pdb)));
printf("last modified:\t%s\n", ptime(s, ipdb_mtime(pdb)));
printf("last backed up:\t%s\n", ptime(s, ipdb_btime(pdb)));
printf("version:\t%d (%s)\n", ipdb_version(pdb), compstr(pdb));
printf("type:\t\t%d (%s)\n", ipdb_type(pdb), typestr(pdb));
printf("last position:\t(%d, %d)\n", ipdb_xlast(pdb), ipdb_ylast(pdb));
printf("anchor:\t\t(%d, %d)\n", ipdb_xanchor(pdb), ipdb_yanchor(pdb));
printf("size:\t\t%dx%d\n", ipdb_width(pdb), ipdb_height(pdb));
if((note = ipdb_text(pdb)) != NULL)
printf("Note:\n%s\n", note);
printf("\n");
s->pdb = ipdb_free(pdb);
}
int
main(int argc, char **argv)
{
char *me;
int o;
SLOP s;
memset((void *)&s, '\0', sizeof(s));
if((me = strrchr(*argv, '/')) == NULL)
me = *argv;
else
++me;
s.timefmt = TIMEFMT;
s.utc = FALSE;
pgm_init(&argc, argv);
while((o = getopt(argc, argv, OPTS)) != EOF) {
switch(o) {
case 'h': exit(usage(me, EXIT_SUCCESS)); break;
case 'v': exit(version(me)); break;
case 't': s.timefmt = optarg; break;
case 'u': s.utc = TRUE; break;
case 'l': s.utc = FALSE; break;
default: exit(usage(me, EXIT_FAILURE)); break;
}
}
do {
dumpit(readit(argv[optind], &s), argv[optind]);
} while(argv[++optind] != NULL);
return EXIT_SUCCESS;
}
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