/*
* Return the (numeric) option id.
* Numeric options look like
* li#80
* i.e. the option string is separated from the numeric value by
* a # character. If the option is not found we return -1.
* Note that we handle octal numbers beginning with 0.
*/
static int
tgetnum(char *id)
{
int i, base;
char *bp = tbuf;
for (;;) {
bp = tskip(bp);
if (*bp == 0)
return (-1);
if (*bp++ != id[0] || *bp == 0 || *bp++ != id[1])
continue;
if (*bp == '@')
return(-1);
if (*bp != '#')
continue;
bp++;
base = 10;
if (*bp == '0')
base = 8;
i = 0;
while (isdigit(*bp))
i *= base, i += *bp++ - '0';
return (i);
}
}
/*
* Return the (numeric) option id.
* Numeric options look like
* li#80
* i.e. the option string is separated from the numeric value by
* a # character. If the option is not found we return -1.
* Note that we handle octal numbers beginning with 0.
*
* Slip in implicit knowledge here that li/co are window geometry,
* and that FD 0 is the place whose geometry concerns us.
*/
int
tgetnum(char *id)
{
int i, base, rows, cols;
char *bp = tbuf;
if (!strcmp(id, "li")) {
if (ttysize(&rows, &cols) >= 0) {
return(rows);
}
} else if (!strcmp(id, "co")) {
if (ttysize(&rows, &cols) >= 0) {
return(cols);
}
}
for (;;) {
bp = tskip(bp);
if (*bp == 0)
return (-1);
if (*bp++ != id[0] || *bp == 0 || *bp++ != id[1])
continue;
if (*bp == '@')
return(-1);
if (*bp != '#')
continue;
bp++;
base = 10;
if (*bp == '0')
base = 8;
i = 0;
while (isdigit(*bp))
i *= base, i += *bp++ - '0';
return (i);
}
}
/*
* Handle a flag option.
* Flag options are given "naked", i.e. followed by a %|:|% or the end
* of the buffer. Return 1 if we find the option, or 0 if it is
* not given.
*/
int tgetflag(char *id)
{
register char *bp = tbuf;
for (;;) {
bp = tskip(bp);
if (!*bp)
return 0;
if (*bp++ == id[0] && *bp != 0 && *bp++ == id[1]) {
if (!*bp || *bp == ':')
return 1;
else if (*bp == '@')
return 0;
}
}
}
/*
* Handle a flag option.
* Flag options are given "naked", i.e. followed by a : or the end
* of the buffer. Return 1 if we find the option, or 0 if it is
* not given.
*/
int
tgetflag(char *id)
{
char *bp = tbuf;
for (;;) {
bp = tskip(bp);
if (!*bp)
return (0);
if (*bp++ == id[0] && *bp != 0 && *bp++ == id[1]) {
if (!*bp || *bp == ':')
return (1);
else if (*bp == '@')
return(0);
}
}
}
/*
* Handle a flag option.
* Flag options are given "naked", i.e. followed by a : or the end
* of the buffer. Return 1 if we find the option, or 0 if it is
* not given.
*/
int
tgetflag(char *id)
{
char *bp = tbuf;
for (;;) {
bp = tskip(bp);
if (!*bp)
return (0);
if (strncmp(bp, id, strlen(id)) == 0) {
bp += strlen(id);
if (!*bp || *bp == ':')
return (1);
else if (*bp == '@')
return (0);
}
}
}
/*
* Get a string valued option.
* These are given as
* cl=^Z
* Much decoding is done on the strings, and the strings are
* placed in area, which is a ref parameter which is updated.
* No checking on area overflow.
*/
char *tgetstr(char *id, char **area)
{
register char *bp = tbuf;
for (;;) {
bp = tskip(bp);
if (!*bp)
return (0);
if (*bp++ != id[0] || *bp == 0 || *bp++ != id[1])
continue;
if (*bp == '@')
return(0);
if (*bp != '=')
continue;
bp++;
return (tdecode(bp, area));
}
}
/*
* Get a string valued option.
* These are given as
* cl=^Z
* Much decoding is done on the strings, and the strings are
* placed in area, which is a ref parameter which is updated.
* No checking on area overflow.
*/
char *
tgetstr(char *id, char **area)
{
char *bp = tbuf;
for (;;) {
bp = tskip(bp);
if (!*bp)
return (0);
if (strncmp(bp, id, strlen(id)) != 0)
continue;
bp += strlen(id);
if (*bp == '@')
return (0);
if (*bp != '=')
continue;
bp++;
return (tdecode(bp, area));
}
}
/*
* Get a string valued option.
* These are given as
* %|cl=^Z|%
* Much decoding is done on the strings, and the strings are
* placed in area, which is a ref parameter which is updated.
* No checking on area overflow.
*/
char *tgetstr(char *id, char **area)
{
register char *bp = tbuf, *i;
register int eq;
for (;;) {
bp = tskip(bp);
if (!*bp)
return 0;
eq=1;
for (i=id; *i;)
if (*i++!=*bp++) { eq=0; break; }
if (!eq)
continue;
if (*bp == '@')
return 0;
if (*bp != '=')
continue;
bp++;
return tdecode(bp, area);
}
}
char *
tgetstr(char *id, char **area)
{
register char *bp;
char name[2];
if (!tbuf)
return NULL;
bp = tbuf;
for (;;)
{
bp = tskip(bp);
if (!bp[0] || !bp[1])
break;
if (bp[0] == ':' || bp[1] == ':')
continue;
name[0] = *bp++;
name[1] = *bp++;
if (id[0] != name[0] || id[1] != name[1])
continue;
if (*bp == '@')
continue;
switch (*bp)
{
case '#':
case ':':
case 0:
break;
default:
if (*bp != '=')
continue;
bp++;
return tdecode(bp, area);
}
}
return NULL;
}
int
tgetflag(const char *id)
{
register char *bp;
char name[2];
if (!tbuf)
return 0;
bp = tbuf;
for (;;)
{
bp = tskip(bp);
if (!bp[0] || !bp[1])
break;
if (bp[0] == ':' || bp[1] == ':')
continue;
name[0] = *bp++;
name[1] = *bp++;
if (id[0] != name[0] || id[1] != name[1])
continue;
if (*bp == '@')
continue;
switch (*bp)
{
case '#':
default:
continue;
case ':':
return 1;
case 0:
return 0;
}
}
return 0;
}
void
checktermcap()
{
char *tbuf = bp;
enum { tbool, tnum, tstr, tcancel, tunknown } type;
for (;;) {
tbuf = tskip(tbuf);
while (*tbuf == '\t' || *tbuf == ' ' || *tbuf == ':')
tbuf++;
if (*tbuf == 0)
return;
/* commented out entry? */
if (*tbuf == '.') {
if (verbose)
(void) fprintf(trace, "termcap string '%c%c' "
"commented out.\n", tbuf[1], tbuf[2]);
if (!capsearch(boolcodes, oboolcodes, tbuf + 1) &&
!capsearch(numcodes, onumcodes, tbuf + 1) &&
!capsearch(strcodes, ostrcodes, tbuf + 1))
(void) fprintf(stderr,
"%s: TERM=%s: commented out code '%.2s' "
"is unknown.\n", progname, term_name,
tbuf+1);
continue;
}
if (verbose)
(void) fprintf(trace, "looking at termcap string "
"'%.2s'.\n", tbuf);
switch (tbuf[2]) {
case ':': case '\0': type = tbool; break;
case '#': type = tnum; break;
case '=': type = tstr; break;
case '@': type = tcancel; break;
default:
(void) fprintf(stderr,
"%s: TERM=%s: unknown type given for the "
"termcap code '%.2s'.\n", progname,
term_name, tbuf);
type = tunknown;
}
if (verbose > 1)
(void) fprintf(trace, "type of '%.2s' is %s.\n", tbuf,
(type == tbool) ? "boolean" :
(type == tnum) ? "numeric" :
(type = tstr) ? "string" :
(type = tcancel) ? "canceled" : "unknown");
/* look for the name in bools */
if (capsearch(boolcodes, oboolcodes, tbuf)) {
if (type != tbool && type != tcancel)
(void) fprintf(stderr,
"%s: TERM=%s: wrong type given for the "
"boolean termcap code '%.2s'.\n", progname,
term_name, tbuf);
continue;
}
/* look for the name in nums */
if (capsearch(numcodes, onumcodes, tbuf)) {
if (type != tnum && type != tcancel)
(void) fprintf(stderr,
"%s: TERM=%s: wrong type given for the "
"numeric termcap code '%.2s'.\n", progname,
term_name, tbuf);
continue;
}
/* look for the name in strs */
if (capsearch(strcodes, ostrcodes, tbuf)) {
if (type != tstr && type != tcancel)
(void) fprintf(stderr,
"%s: TERM=%s: wrong type given for the "
"string termcap code '%.2s'.\n", progname,
term_name, tbuf);
continue;
}
(void) fprintf(stderr,
"%s: TERM=%s: the %s termcap code '%.2s' is not a valid "
"name.\n", progname, term_name,
(type == tbool) ? "boolean" :
(type == tnum) ? "numeric" :
(type = tstr) ? "string" :
(type = tcancel) ? "canceled" : "(unknown type)", tbuf);
}
}
