static void simple_send(char *buf, int len) {
if( term_buflen != 0 )
{
back->send(term_buf, term_buflen);
while (term_buflen > 0) {
bsb(plen(term_buf[term_buflen-1]));
term_buflen--;
}
}
if (len > 0)
back->send(buf, len);
}
BitStringBuffer BitString::operator~() const
{
BitStringBuffer bsb( getBitLen() );
for ( uint32_t pos = 0; pos < getBitLen(); pos += CPU_WORD_BIT_LEN )
{
uint32_t len = std::min( getBitLen() - pos, CPU_WORD_BIT_LEN );
CPU_WORD dVal = getField( pos, len );
bsb.setField( pos, len, ~dVal );
}
return bsb;
}
BitStringBuffer BitString::operator|( const BitString & i_bs ) const
{
// Get the length of the smallest string.
uint32_t actLen = std::min( getBitLen(), i_bs.getBitLen() );
BitStringBuffer bsb( actLen );
for ( uint32_t pos = 0; pos < actLen; pos += CPU_WORD_BIT_LEN )
{
uint32_t len = std::min( actLen - pos, CPU_WORD_BIT_LEN );
CPU_WORD dVal = getField( pos, len );
CPU_WORD sVal = i_bs.getField( pos, len );
bsb.setField( pos, len, dVal | sVal );
}
return bsb;
}
static void ApplyExifOrientation(const Mat& buf, Mat& img)
{
int orientation = IMAGE_ORIENTATION_TL;
if( buf.isContinuous() )
{
ByteStreamBuffer bsb( reinterpret_cast<char*>(buf.data), buf.total() * buf.elemSize() );
std::istream stream( &bsb );
ExifReader reader( stream );
if( reader.parse() )
{
ExifEntry_t entry = reader.getTag( ORIENTATION );
if (entry.tag != INVALID_TAG)
{
orientation = entry.field_u16; //orientation is unsigned short, so check field_u16
}
}
}
ExifTransform(orientation, img);
}
void ldisc_send(Ldisc *ldisc, const void *vbuf, int len, bool interactive)
{
const char *buf = (const char *)vbuf;
int keyflag = 0;
assert(ldisc->term);
assert(len);
if (interactive) {
/*
* Interrupt a paste from the clipboard, if one was in
* progress when the user pressed a key. This is easier than
* buffering the current piece of data and saving it until the
* terminal has finished pasting, and has the potential side
* benefit of permitting a user to cancel an accidental huge
* paste.
*/
term_nopaste(ldisc->term);
}
/*
* Less than zero means null terminated special string.
*/
if (len < 0) {
len = strlen(buf);
keyflag = KCTRL('@');
}
/*
* Either perform local editing, or just send characters.
*/
if (EDITING) {
while (len--) {
int c;
c = (unsigned char)(*buf++) + keyflag;
if (!interactive && c == '\r')
c += KCTRL('@');
switch (ldisc->quotenext ? ' ' : c) {
/*
* ^h/^?: delete, and output BSBs, to return to
* last character boundary (in UTF-8 mode this may
* be more than one byte)
* ^w: delete, and output BSBs, to return to last
* space/nonspace boundary
* ^u: delete, and output BSBs, to return to BOL
* ^c: Do a ^u then send a telnet IP
* ^z: Do a ^u then send a telnet SUSP
* ^\: Do a ^u then send a telnet ABORT
* ^r: echo "^R\n" and redraw line
* ^v: quote next char
* ^d: if at BOL, end of file and close connection,
* else send line and reset to BOL
* ^m: send line-plus-\r\n and reset to BOL
*/
case KCTRL('H'):
case KCTRL('?'): /* backspace/delete */
if (ldisc->buflen > 0) {
do {
if (ECHOING)
bsb(ldisc, plen(ldisc, ldisc->buf[ldisc->buflen - 1]));
ldisc->buflen--;
} while (!char_start(ldisc, ldisc->buf[ldisc->buflen]));
}
break;
case CTRL('W'): /* delete word */
while (ldisc->buflen > 0) {
if (ECHOING)
bsb(ldisc, plen(ldisc, ldisc->buf[ldisc->buflen - 1]));
ldisc->buflen--;
if (ldisc->buflen > 0 &&
isspace((unsigned char)ldisc->buf[ldisc->buflen-1]) &&
!isspace((unsigned char)ldisc->buf[ldisc->buflen]))
break;
}
break;
case CTRL('U'): /* delete line */
case CTRL('C'): /* Send IP */
case CTRL('\\'): /* Quit */
case CTRL('Z'): /* Suspend */
while (ldisc->buflen > 0) {
if (ECHOING)
bsb(ldisc, plen(ldisc, ldisc->buf[ldisc->buflen - 1]));
ldisc->buflen--;
}
backend_special(ldisc->backend, SS_EL, 0);
/*
* We don't send IP, SUSP or ABORT if the user has
* configured telnet specials off! This breaks
* talkers otherwise.
*/
if (!ldisc->telnet_keyboard)
goto default_case;
if (c == CTRL('C'))
backend_special(ldisc->backend, SS_IP, 0);
if (c == CTRL('Z'))
backend_special(ldisc->backend, SS_SUSP, 0);
if (c == CTRL('\\'))
backend_special(ldisc->backend, SS_ABORT, 0);
break;
case CTRL('R'): /* redraw line */
if (ECHOING) {
int i;
c_write(ldisc, "^R\r\n", 4);
for (i = 0; i < ldisc->buflen; i++)
pwrite(ldisc, ldisc->buf[i]);
}
break;
case CTRL('V'): /* quote next char */
ldisc->quotenext = true;
break;
case CTRL('D'): /* logout or send */
if (ldisc->buflen == 0) {
backend_special(ldisc->backend, SS_EOF, 0);
} else {
backend_send(ldisc->backend, ldisc->buf, ldisc->buflen);
ldisc->buflen = 0;
}
break;
/*
* This particularly hideous bit of code from RDB
* allows ordinary ^M^J to do the same thing as
* magic-^M when in Raw protocol. The line `case
* KCTRL('M'):' is _inside_ the if block. Thus:
*
* - receiving regular ^M goes straight to the
* default clause and inserts as a literal ^M.
* - receiving regular ^J _not_ directly after a
* literal ^M (or not in Raw protocol) fails the
* if condition, leaps to the bottom of the if,
* and falls through into the default clause
* again.
* - receiving regular ^J just after a literal ^M
* in Raw protocol passes the if condition,
* deletes the literal ^M, and falls through
* into the magic-^M code
* - receiving a magic-^M empties the line buffer,
* signals end-of-line in one of the various
* entertaining ways, and _doesn't_ fall out of
* the bottom of the if and through to the
* default clause because of the break.
*/
case CTRL('J'):
if (ldisc->protocol == PROT_RAW &&
ldisc->buflen > 0 && ldisc->buf[ldisc->buflen - 1] == '\r') {
if (ECHOING)
bsb(ldisc, plen(ldisc, ldisc->buf[ldisc->buflen - 1]));
ldisc->buflen--;
/* FALLTHROUGH */
case KCTRL('M'): /* send with newline */
if (ldisc->buflen > 0)
backend_send(ldisc->backend,
ldisc->buf, ldisc->buflen);
if (ldisc->protocol == PROT_RAW)
backend_send(ldisc->backend, "\r\n", 2);
else if (ldisc->protocol == PROT_TELNET && ldisc->telnet_newline)
backend_special(ldisc->backend, SS_EOL, 0);
else
backend_send(ldisc->backend, "\r", 1);
if (ECHOING)
c_write(ldisc, "\r\n", 2);
ldisc->buflen = 0;
break;
}
/* FALLTHROUGH */
default: /* get to this label from ^V handler */
default_case:
sgrowarray(ldisc->buf, ldisc->bufsiz, ldisc->buflen);
ldisc->buf[ldisc->buflen++] = c;
if (ECHOING)
pwrite(ldisc, (unsigned char) c);
ldisc->quotenext = false;
break;
}
}
} else {
if (ldisc->buflen != 0) {
backend_send(ldisc->backend, ldisc->buf, ldisc->buflen);
while (ldisc->buflen > 0) {
bsb(ldisc, plen(ldisc, ldisc->buf[ldisc->buflen - 1]));
ldisc->buflen--;
}
}
if (len > 0) {
if (ECHOING)
c_write(ldisc, buf, len);
if (keyflag && ldisc->protocol == PROT_TELNET && len == 1) {
switch (buf[0]) {
case CTRL('M'):
if (ldisc->protocol == PROT_TELNET && ldisc->telnet_newline)
backend_special(ldisc->backend, SS_EOL, 0);
else
backend_send(ldisc->backend, "\r", 1);
break;
case CTRL('?'):
case CTRL('H'):
if (ldisc->telnet_keyboard) {
backend_special(ldisc->backend, SS_EC, 0);
break;
}
case CTRL('C'):
if (ldisc->telnet_keyboard) {
backend_special(ldisc->backend, SS_IP, 0);
break;
}
case CTRL('Z'):
if (ldisc->telnet_keyboard) {
backend_special(ldisc->backend, SS_SUSP, 0);
break;
}
default:
backend_send(ldisc->backend, buf, len);
break;
}
} else
backend_send(ldisc->backend, buf, len);
}
}
}
static void term_send(char *buf, int len) {
while (len--) {
char c;
c = *buf++;
switch (term_quotenext ? ' ' : c) {
/*
* ^h/^?: delete one char and output one BSB
* ^w: delete, and output BSBs, to return to last space/nonspace
* boundary
* ^u: delete, and output BSBs, to return to BOL
* ^c: Do a ^u then send a telnet IP
* ^z: Do a ^u then send a telnet SUSP
* ^\: Do a ^u then send a telnet ABORT
* ^r: echo "^R\n" and redraw line
* ^v: quote next char
* ^d: if at BOL, end of file and close connection, else send line
* and reset to BOL
* ^m: send line-plus-\r\n and reset to BOL
*/
case CTRL('H'): case CTRL('?'): /* backspace/delete */
if (term_buflen > 0) {
bsb(plen(term_buf[term_buflen-1]));
term_buflen--;
}
break;
case CTRL('W'): /* delete word */
while (term_buflen > 0) {
bsb(plen(term_buf[term_buflen-1]));
term_buflen--;
if (term_buflen > 0 &&
isspace(term_buf[term_buflen-1]) &&
!isspace(term_buf[term_buflen]))
break;
}
break;
case CTRL('U'): /* delete line */
case CTRL('C'): /* Send IP */
case CTRL('\\'): /* Quit */
case CTRL('Z'): /* Suspend */
while (term_buflen > 0) {
bsb(plen(term_buf[term_buflen-1]));
term_buflen--;
}
back->special (TS_EL);
if( c == CTRL('C') ) back->special (TS_IP);
if( c == CTRL('Z') ) back->special (TS_SUSP);
if( c == CTRL('\\') ) back->special (TS_ABORT);
break;
case CTRL('R'): /* redraw line */
c_write("^R\r\n", 4);
{
int i;
for (i = 0; i < term_buflen; i++)
pwrite(term_buf[i]);
}
break;
case CTRL('V'): /* quote next char */
term_quotenext = TRUE;
break;
case CTRL('D'): /* logout or send */
if (term_buflen == 0) {
back->special (TS_EOF);
} else {
back->send(term_buf, term_buflen);
term_buflen = 0;
}
break;
case CTRL('M'): /* send with newline */
if (term_buflen > 0)
back->send(term_buf, term_buflen);
if (cfg.protocol == PROT_RAW)
back->send("\r\n", 2);
else
back->send("\r", 1);
c_write("\r\n", 2);
term_buflen = 0;
break;
default: /* get to this label from ^V handler */
if (term_buflen >= term_bufsiz) {
term_bufsiz = term_buflen + 256;
term_buf = saferealloc(term_buf, term_bufsiz);
}
term_buf[term_buflen++] = c;
pwrite(c);
term_quotenext = FALSE;
break;
}
}
}
