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#include <sys/stat.h>
#include <sys/types.h>
#include <ctype.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include "util.h"
static struct feed **feeds;
static char *prefixpath;
static char *line;
static size_t linesize;
static time_t comparetime;
static unsigned long totalnew;
/* Escape characters in links in geomyidae .gph format */
void
gphlink(FILE *fp, const char *s, size_t len)
{
size_t i;
for (i = 0; *s && i < len; s++, i++) {
switch (*s) {
case '\r': /* ignore CR */
case '\n': /* ignore LF */
break;
case '\t':
fputs(" ", fp);
break;
case '|': /* escape separators */
fputs("\\|", fp);
break;
default:
fputc(*s, fp);
break;
}
}
}
static void
printfeed(FILE *fpitems, FILE *fpin, struct feed *f)
{
char *fields[FieldLast];
ssize_t linelen;
unsigned int isnew;
struct tm *tm;
time_t parsedtime;
if (f->name[0])
fprintf(fpitems, "t%s\n\n", f->name);
while ((linelen = getline(&line, &linesize, fpin)) > 0) {
if (line[linelen - 1] == '\n')
line[--linelen] = '\0';
if (!parseline(line, fields))
break;
parsedtime = 0;
if (strtotime(fields[FieldUnixTimestamp], &parsedtime))
continue;
if (!(tm = localtime(&parsedtime)))
err(1, "localtime");
isnew = (parsedtime >= comparetime) ? 1 : 0;
totalnew += isnew;
f->totalnew += isnew;
f->total++;
fputs("[h|", fpitems);
fprintf(fpitems, "%04d-%02d-%02d %02d:%02d ",
tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
tm->tm_hour, tm->tm_min);
gphlink(fpitems, fields[FieldTitle], strlen(fields[FieldTitle]));
fputs("|URL:", fpitems);
gphlink(fpitems, fields[FieldLink], strlen(fields[FieldLink]));
fputs("|server|port]\n", fpitems);
}
}
int
main(int argc, char *argv[])
{
FILE *fpitems, *fpindex, *fp;
char *name, path[PATH_MAX + 1];
int i;
struct feed *f;
if (pledge("stdio rpath wpath cpath", NULL) == -1)
err(1, "pledge");
if (!(prefixpath = getenv("SFEED_GPH_PATH")))
prefixpath = "/";
if (!(feeds = calloc(argc, sizeof(struct feed *))))
err(1, "calloc");
if ((comparetime = time(NULL)) == -1)
err(1, "time");
/* 1 day is old news */
comparetime -= 86400;
if (argc == 1) {
if (pledge("stdio", NULL) == -1)
err(1, "pledge");
if (!(feeds[0] = calloc(1, sizeof(struct feed))))
err(1, "calloc");
feeds[0]->name = "";
printfeed(stdout, stdin, feeds[0]);
} else {
/* write main index page */
if (!(fpindex = fopen("index.gph", "wb")))
err(1, "fopen: index.gph");
for (i = 1; i < argc; i++) {
if (!(feeds[i - 1] = calloc(1, sizeof(struct feed))))
err(1, "calloc");
f = feeds[i - 1];
name = ((name = strrchr(argv[i], '/'))) ? name + 1 : argv[i];
f->name = name;
if (!(fp = fopen(argv[i], "r")))
err(1, "fopen: %s", argv[i]);
snprintf(path, sizeof(path), "%s.gph", f->name);
if (!(fpitems = fopen(path, "wb")))
err(1, "fopen");
printfeed(fpitems, fp, f);
if (ferror(fp))
err(1, "ferror: %s", argv[i]);
fclose(fp);
fclose(fpitems);
/* append directory item to index */
fprintf(fpindex, "[1|");
gphlink(fpindex, f->name, strlen(f->name));
fprintf(fpindex, " (%lu/%lu)|%s",
f->totalnew, f->total, prefixpath);
snprintf(path, sizeof(path), "%s.gph", f->name);
gphlink(fpindex, path, strlen(path));
fputs("|server|port]\n", fpindex);
}
fclose(fpindex);
}
return 0;
}
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