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Diffstat (limited to 'util/alevt/main.c')
| -rw-r--r-- | util/alevt/main.c | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/util/alevt/main.c b/util/alevt/main.c new file mode 100644 index 0000000..31fe9c3 --- /dev/null +++ b/util/alevt/main.c @@ -0,0 +1,221 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <locale.h> +#include "vt.h" +#include "misc.h" +#include "fdset.h" +#include "xio.h" +#include "vbi.h" +#include "lang.h" +#include "cache.h" +#include "ui.h" + +static char *geometry; +static char *dpy_name; +static char *vbi_name = NULL; +static struct xio *xio; +static struct vbi *vbi; +static int erc = 1; +char *outfile = ""; +static char *channel; +static int ttpid = -1; +u_int16_t sid = 0; + + +static void usage(FILE *fp, int exitval) +{ + fprintf(fp, "\nUsage: %s [options]\n", prgname); + fprintf(fp, + "\n" + " Valid options:\t\tDefault:\n" + " -c <channel name>\t\t(none;dvb only)\n" + " -ch -child <ppp.ss>\t\t(none)\n" + " -cs -charset\t\tlatin-1\n" + " <latin-1/2/koi8-r/iso8859-7>\n" + " -h -help\n" + " -o <outfile>\t\t(none;dvb only)\n" + " -p -parent <ppp.ss>\t\t900\n" + " -s -sid <sid>\t\t(none;dvb only)\n" + " -t -ttpid <ttpid>\t\t(none;dvb only)\n" + " -v -vbi <vbidev>\t\t/dev/vbi\n" + " \t\t/dev/vbi0\n" + " \t\t/dev/video0\n" + " \t\t/dev/dvb/adapter0/demux0\n" + "\n" + " ppp.ss stands for a page number and an\n" + " optional subpage number (Example: 123.4).\n" + "\n" + " The -child option requires a parent\n" + " window. So it must be preceded by\n" + " a parent or another child window.\n" + ); + exit(exitval); +} + + +static int arg_pgno(char *p, int *subno) +{ + char *end; + int pgno; + + *subno = ANY_SUB; + if (*p) + { + pgno = strtol(p, &end, 16); + if ((*end == ':' || *end == '/' || *end == '.') && end[1]) + *subno = strtol(end + 1, &end, 16); + if (*end == 0) + if (pgno >= 0x100 && pgno <= 0x999) + if (*subno == ANY_SUB || (*subno >= 0x00 && *subno <= 0x3f7f)) + return pgno; + } + fatal("%s: invalid page number", p); +} + + +static struct vtwin * start(int argc, char **argv, struct vtwin *parent, + int pgno, int subno) +{ + static int valid_vbi_name = 1; + + if (!valid_vbi_name) + return parent; + + if (vbi == 0) + vbi = vbi_open(vbi_name, cache_open(), channel, outfile, sid, ttpid); + if (vbi == 0) + { + if (vbi_name) + error("cannot open device: %s", vbi_name); + valid_vbi_name = 0; + vbi = open_null_vbi(cache_open()); + } + if (vbi->cache) + vbi->cache->op->mode(vbi->cache, CACHE_MODE_ERC, erc); + + if (xio == 0) + xio = xio_open_dpy(dpy_name, argc, argv); + if (xio == 0) + fatal("cannot open display"); + + parent = vtwin_new(xio, vbi, geometry, parent, pgno, subno); + if (parent == 0) + fatal("cannot create window"); + + if (!valid_vbi_name) + { + if (vbi_name) + send_errmsg(vbi, "cannot open device: %s", vbi_name); + else + send_errmsg(vbi, "cannot open any device", vbi_name); + } + + return parent; +} + + +static int option(int argc, char **argv, int *ind, char **arg) +{ + static struct { char *nam, *altnam; int arg; } opts[] = { + { "-channel", "-c", 1 }, + { "-child", "-ch", 1 }, + { "-charset", "-cs", 1 }, + { "-help", "-h", 0 }, + { "-outfile", "-o", 1 }, + { "-parent", "-p", 1 }, + { "-sid", "-s", 1 }, + { "-ttpid", "-t", 1 }, + { "-vbi", "-v", 1 }, + }; + int i; + if (*ind >= argc) + return 0; + *arg = argv[(*ind)++]; + for (i = 0; i < NELEM(opts); ++i) + if (streq(*arg, opts[i].nam) || streq(*arg, opts[i].altnam)) + { + if (opts[i].arg) + if (*ind < argc) + *arg = argv[(*ind)++]; + else + fatal("option %s requires an argument", *arg); + return i+1; + } + if (**arg == '-') + { + fatal("%s: invalid option", *arg); + usage(stderr, 1); + } + return -1; +} + + +int main(int argc, char **argv) +{ + struct vtwin *parent = 0; + int pgno, subno; + int opt, ind; + char *arg; + sid = 0; + + setprgname(argv[0]); + fdset_init(fds); + + ind = 1; + while (opt = option(argc, argv, &ind, &arg)) + switch (opt) + { + + case 1: // channel + channel = arg; + break; + case 2: // child + if (parent == 0) + fatal("-child requires a parent window"); + pgno = arg_pgno(arg, &subno); + parent = start(argc, argv, parent, pgno, subno); + geometry = 0; + break; + case 3: // charset + if (streq(arg, "latin-1") || streq(arg, "1")) + latin1 = LATIN1; + else if (streq(arg, "latin-2") || streq(arg, "2")) + latin1 = LATIN2; + else if (streq(arg, "koi8-r") || streq(arg, "koi")) + latin1 = KOI8; + else if (streq(arg, "iso8859-7") || streq(arg, "el")) + latin1 = GREEK; + else + fatal("bad charset (not latin-1/2/koi8-r/iso8859-7)"); + break; + case 4: // help + usage(stdout, 0); + break; + case 5: // outfile + outfile = arg; + break; + case 6: // parent + case -1: // non-option arg + pgno = arg_pgno(arg, &subno); + parent = start(argc, argv, 0, pgno, subno); + geometry = 0; + break; + case 7: // sid + sid = strtoul(arg, NULL, 0); + break; + case 8: // ttpid + ttpid = strtoul(arg, NULL, 0); + break; + case 9: // vbi + vbi_name = arg; + vbi = 0; + parent = 0; + break; + } + + if (parent == 0) + start(argc, argv, 0, 0x900, ANY_SUB); + xio_event_loop(); + exit(0); +} |