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improve tab completion

This commit is contained in:
Jfreegman 2013-12-08 15:49:47 -05:00
parent 5fc14a48db
commit f67725f636

View File

@ -278,7 +278,7 @@ void reset_buf(wchar_t *buf, size_t *pos, size_t *len)
Returns the difference between the old len and new len of buf on success, -1 if error */
int complete_line(wchar_t *buf, size_t *pos, size_t *len, const uint8_t *list, int n_items, int size)
{
if (*pos <= 0 || *len <= 0 || *len > MAX_STR_SIZE)
if (*pos <= 0 || *len <= 0 || *len >= MAX_STR_SIZE)
return -1;
uint8_t ubuf[MAX_STR_SIZE];
@ -291,9 +291,13 @@ int complete_line(wchar_t *buf, size_t *pos, size_t *len, const uint8_t *list, i
snprintf(tmp, sizeof(tmp), "%s", ubuf);
tmp[*pos] = '\0';
uint8_t *sub = strrchr(tmp, ' ');
int n_endchrs = 1; /* 1 = append space to end of match, 2 = append ": " */
if (!sub++)
if (!sub++) {
sub = tmp;
if (sub[0] != '/') /* make sure it's not a command */
n_endchrs = 2;
}
int s_len = strlen(sub);
const uint8_t *match;
@ -310,14 +314,20 @@ int complete_line(wchar_t *buf, size_t *pos, size_t *len, const uint8_t *list, i
if (!is_match)
return -1;
/* put match in correct spot in buf */
/* put match in correct spot in buf and append endchars (space or ": ") */
const uint8_t *endchrs = n_endchrs == 1 ? " " : ": ";
int m_len = strlen(match);
int strt = (int) *pos - s_len;
int diff = m_len - s_len + n_endchrs;
if (*len + diff > MAX_STR_SIZE)
return -1;
uint8_t tmpend[MAX_STR_SIZE];
strcpy(tmpend, &ubuf[*pos]);
strcpy(&ubuf[strt], match);
strcpy(&ubuf[strt+m_len], tmpend);
strcpy(&ubuf[strt+m_len], endchrs);
strcpy(&ubuf[strt+m_len+n_endchrs], tmpend);
/* convert to widechar and copy back to original buf */
wchar_t newbuf[MAX_STR_SIZE];
@ -327,7 +337,6 @@ int complete_line(wchar_t *buf, size_t *pos, size_t *len, const uint8_t *list, i
wmemcpy(buf, newbuf, MAX_STR_SIZE);
int diff = m_len - s_len;
*len += (size_t) diff;
*pos += (size_t) diff;