/*
* CompleteLine - do command completion on the entire command line
* (which may have trailing newline).
* Return value:
* 0: No command matched or failure
* 1: One command matched
* 2: Several commands matched
*/
static int
CompleteLine(void)
{
int endflag, tmatch;
Char *argptr, *OldCursor, *OldLastChar;
OldLastChar = LastChar;
OldCursor = Cursor;
argptr = InputBuf;
endflag = 1;
do {
while (ismetahash(*argptr) || iscmdmeta(*argptr))
argptr++;
for (Cursor = argptr;
*Cursor != '\0' && ((Cursor != argptr && Cursor[-1] == '\\') ||
(!ismetahash(*Cursor) && !iscmdmeta(*Cursor)));
Cursor++)
continue;
if (*Cursor == '\0') {
Cursor = LastChar;
if (LastChar[-1] == '\n')
Cursor--;
endflag = 0;
}
if (!MISMATCH(*argptr) && starting_a_command(argptr, InputBuf)) {
tmatch = tenematch(InputBuf, Cursor - InputBuf, RECOGNIZE);
if (tmatch <= 0) {
return 0;
} else if (tmatch > 1) {
return 2;
}
if (LastChar != OldLastChar) {
if (argptr < OldCursor)
OldCursor += (LastChar - OldLastChar);
OldLastChar = LastChar;
}
}
argptr = Cursor;
} while (endflag);
Cursor = OldCursor;
return 1;
}
/* tw_tok():
* Return the next word from string, unquoteing it.
*/
static Char *
tw_tok(Char *str)
{
static Char *bf = NULL;
if (str != NULL)
bf = str;
/* skip leading spaces */
for (; *bf && Isspace(*bf); bf++)
continue;
for (str = bf; *bf && !Isspace(*bf); bf++) {
if (ismetahash(*bf))
return INVPTR;
*bf = *bf & ~QUOTE;
}
if (*bf != '\0')
*bf++ = '\0';
return *str ? str : NULL;
} /* end tw_tok */
/*
* SpellLine - do spelling correction on the entire command line
* (which may have trailing newline).
* If cmdonly is set, only check spelling of command words.
* Return value:
* -1: Something was incorrectible, and nothing was corrected
* 0: Everything was correct
* 1: Something was corrected
*/
static int
SpellLine(int cmdonly)
{
int endflag, matchval;
Char *argptr, *OldCursor, *OldLastChar;
OldLastChar = LastChar;
OldCursor = Cursor;
argptr = InputBuf;
endflag = 1;
matchval = 0;
do {
while (ismetahash(*argptr) || iscmdmeta(*argptr))
argptr++;
for (Cursor = argptr;
*Cursor != '\0' && ((Cursor != argptr && Cursor[-1] == '\\') ||
(!ismetahash(*Cursor) && !iscmdmeta(*Cursor)));
Cursor++)
continue;
if (*Cursor == '\0') {
Cursor = LastChar;
if (LastChar[-1] == '\n')
Cursor--;
endflag = 0;
}
if (!MISMATCH(*argptr) &&
(!cmdonly || starting_a_command(argptr, InputBuf))) {
#ifdef WINNT_NATIVE
/*
* This hack avoids correcting drive letter changes
*/
if((Cursor - InputBuf) != 2 || (char)InputBuf[1] != ':')
#endif /* WINNT_NATIVE */
{
#ifdef HASH_SPELL_CHECK
Char save;
size_t len = Cursor - InputBuf;
save = InputBuf[len];
InputBuf[len] = '\0';
if (find_cmd(InputBuf, 0) != 0) {
InputBuf[len] = save;
argptr = Cursor;
continue;
}
InputBuf[len] = save;
#endif /* HASH_SPELL_CHECK */
switch (tenematch(InputBuf, Cursor - InputBuf, SPELL)) {
case 1: /* corrected */
matchval = 1;
break;
case -1: /* couldn't be corrected */
if (!matchval)
matchval = -1;
break;
default: /* was correct */
break;
}
}
if (LastChar != OldLastChar) {
if (argptr < OldCursor)
OldCursor += (LastChar - OldLastChar);
OldLastChar = LastChar;
}
}
argptr = Cursor;
} while (endflag);
Cursor = OldCursor;
return matchval;
}
