15129044dSC.J. Collier/*-
25129044dSC.J. Collier *   BSD LICENSE
35129044dSC.J. Collier *
45129044dSC.J. Collier *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
55129044dSC.J. Collier *   All rights reserved.
65129044dSC.J. Collier *
75129044dSC.J. Collier *   Redistribution and use in source and binary forms, with or without
85129044dSC.J. Collier *   modification, are permitted provided that the following conditions
95129044dSC.J. Collier *   are met:
105129044dSC.J. Collier *
115129044dSC.J. Collier *     * Redistributions of source code must retain the above copyright
125129044dSC.J. Collier *       notice, this list of conditions and the following disclaimer.
135129044dSC.J. Collier *     * Redistributions in binary form must reproduce the above copyright
145129044dSC.J. Collier *       notice, this list of conditions and the following disclaimer in
155129044dSC.J. Collier *       the documentation and/or other materials provided with the
165129044dSC.J. Collier *       distribution.
175129044dSC.J. Collier *     * Neither the name of Intel Corporation nor the names of its
185129044dSC.J. Collier *       contributors may be used to endorse or promote products derived
195129044dSC.J. Collier *       from this software without specific prior written permission.
205129044dSC.J. Collier *
215129044dSC.J. Collier *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
225129044dSC.J. Collier *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
235129044dSC.J. Collier *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
245129044dSC.J. Collier *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
255129044dSC.J. Collier *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
265129044dSC.J. Collier *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
275129044dSC.J. Collier *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
285129044dSC.J. Collier *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
295129044dSC.J. Collier *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
305129044dSC.J. Collier *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
315129044dSC.J. Collier *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
325129044dSC.J. Collier */
335129044dSC.J. Collier
345129044dSC.J. Collier/*
355129044dSC.J. Collier * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
365129044dSC.J. Collier * All rights reserved.
375129044dSC.J. Collier * Redistribution and use in source and binary forms, with or without
385129044dSC.J. Collier * modification, are permitted provided that the following conditions are met:
395129044dSC.J. Collier *
405129044dSC.J. Collier *     * Redistributions of source code must retain the above copyright
415129044dSC.J. Collier *       notice, this list of conditions and the following disclaimer.
425129044dSC.J. Collier *     * Redistributions in binary form must reproduce the above copyright
435129044dSC.J. Collier *       notice, this list of conditions and the following disclaimer in the
445129044dSC.J. Collier *       documentation and/or other materials provided with the distribution.
455129044dSC.J. Collier *     * Neither the name of the University of California, Berkeley nor the
465129044dSC.J. Collier *       names of its contributors may be used to endorse or promote products
475129044dSC.J. Collier *       derived from this software without specific prior written permission.
485129044dSC.J. Collier *
495129044dSC.J. Collier * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
505129044dSC.J. Collier * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
515129044dSC.J. Collier * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
525129044dSC.J. Collier * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
535129044dSC.J. Collier * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
545129044dSC.J. Collier * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
555129044dSC.J. Collier * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
565129044dSC.J. Collier * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
575129044dSC.J. Collier * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
585129044dSC.J. Collier * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
595129044dSC.J. Collier */
605129044dSC.J. Collier
615129044dSC.J. Collier#include <stdlib.h>
625129044dSC.J. Collier#include <stdint.h>
635129044dSC.J. Collier#include <stdio.h>
645129044dSC.J. Collier#include <string.h>
655129044dSC.J. Collier#include <stdarg.h>
665129044dSC.J. Collier#include <ctype.h>
675129044dSC.J. Collier#include <termios.h>
685129044dSC.J. Collier
695129044dSC.J. Collier#include "cmdline_vt100.h"
705129044dSC.J. Collier
715129044dSC.J. Collierconst char *cmdline_vt100_commands[] = {
725129044dSC.J. Collier	vt100_up_arr,
735129044dSC.J. Collier	vt100_down_arr,
745129044dSC.J. Collier	vt100_right_arr,
755129044dSC.J. Collier	vt100_left_arr,
765129044dSC.J. Collier	"\177",
775129044dSC.J. Collier	"\n",
785129044dSC.J. Collier	"\001",
795129044dSC.J. Collier	"\005",
805129044dSC.J. Collier	"\013",
815129044dSC.J. Collier	"\031",
825129044dSC.J. Collier	"\003",
835129044dSC.J. Collier	"\006",
845129044dSC.J. Collier	"\002",
855129044dSC.J. Collier	vt100_suppr,
865129044dSC.J. Collier	vt100_tab,
875129044dSC.J. Collier	"\004",
885129044dSC.J. Collier	"\014",
895129044dSC.J. Collier	"\r",
905129044dSC.J. Collier	"\033\177",
915129044dSC.J. Collier	vt100_word_left,
925129044dSC.J. Collier	vt100_word_right,
935129044dSC.J. Collier	"?",
945129044dSC.J. Collier	"\027",
955129044dSC.J. Collier	"\020",
965129044dSC.J. Collier	"\016",
975129044dSC.J. Collier	"\033\144",
985129044dSC.J. Collier};
995129044dSC.J. Collier
1005129044dSC.J. Colliervoid
1015129044dSC.J. Colliervt100_init(struct cmdline_vt100 *vt)
1025129044dSC.J. Collier{
1035129044dSC.J. Collier	if (!vt)
1045129044dSC.J. Collier		return;
1055129044dSC.J. Collier	vt->state = CMDLINE_VT100_INIT;
1065129044dSC.J. Collier}
1075129044dSC.J. Collier
1085129044dSC.J. Collier
1095129044dSC.J. Collierstatic int
1105129044dSC.J. Colliermatch_command(char *buf, unsigned int size)
1115129044dSC.J. Collier{
1125129044dSC.J. Collier	const char *cmd;
1135129044dSC.J. Collier	size_t cmdlen;
1145129044dSC.J. Collier	unsigned int i = 0;
1155129044dSC.J. Collier
1165129044dSC.J. Collier	for (i=0 ; i<sizeof(cmdline_vt100_commands)/sizeof(const char *) ; i++) {
1175129044dSC.J. Collier		cmd = *(cmdline_vt100_commands + i);
1185129044dSC.J. Collier
1195129044dSC.J. Collier		cmdlen = strnlen(cmd, CMDLINE_VT100_BUF_SIZE);
1205129044dSC.J. Collier		if (size == cmdlen &&
1215129044dSC.J. Collier		    !strncmp(buf, cmd, cmdlen)) {
1225129044dSC.J. Collier			return i;
1235129044dSC.J. Collier		}
1245129044dSC.J. Collier	}
1255129044dSC.J. Collier
1265129044dSC.J. Collier	return -1;
1275129044dSC.J. Collier}
1285129044dSC.J. Collier
1295129044dSC.J. Collierint
1305129044dSC.J. Colliervt100_parser(struct cmdline_vt100 *vt, char ch)
1315129044dSC.J. Collier{
1325129044dSC.J. Collier	unsigned int size;
1335129044dSC.J. Collier	uint8_t c = (uint8_t) ch;
1345129044dSC.J. Collier
1355129044dSC.J. Collier	if (!vt)
1365129044dSC.J. Collier		return -1;
1375129044dSC.J. Collier
1385129044dSC.J. Collier	if (vt->bufpos >= CMDLINE_VT100_BUF_SIZE) {
1395129044dSC.J. Collier		vt->state = CMDLINE_VT100_INIT;
1405129044dSC.J. Collier		vt->bufpos = 0;
1415129044dSC.J. Collier	}
1425129044dSC.J. Collier
1435129044dSC.J. Collier	vt->buf[vt->bufpos++] = c;
1445129044dSC.J. Collier	size = vt->bufpos;
1455129044dSC.J. Collier
1465129044dSC.J. Collier	switch (vt->state) {
1475129044dSC.J. Collier	case CMDLINE_VT100_INIT:
1485129044dSC.J. Collier		if (c == 033) {
1495129044dSC.J. Collier			vt->state = CMDLINE_VT100_ESCAPE;
1505129044dSC.J. Collier		}
1515129044dSC.J. Collier		else {
1525129044dSC.J. Collier			vt->bufpos = 0;
1535129044dSC.J. Collier			goto match_command;
1545129044dSC.J. Collier		}
1555129044dSC.J. Collier		break;
1565129044dSC.J. Collier
1575129044dSC.J. Collier	case CMDLINE_VT100_ESCAPE:
1585129044dSC.J. Collier		if (c == 0133) {
1595129044dSC.J. Collier			vt->state = CMDLINE_VT100_ESCAPE_CSI;
1605129044dSC.J. Collier		}
1615129044dSC.J. Collier		else if (c >= 060 && c <= 0177) { /* XXX 0177 ? */
1625129044dSC.J. Collier			vt->bufpos = 0;
1635129044dSC.J. Collier			vt->state = CMDLINE_VT100_INIT;
1645129044dSC.J. Collier			goto match_command;
1655129044dSC.J. Collier		}
1665129044dSC.J. Collier		break;
1675129044dSC.J. Collier
1685129044dSC.J. Collier	case CMDLINE_VT100_ESCAPE_CSI:
1695129044dSC.J. Collier		if (c >= 0100 && c <= 0176) {
1705129044dSC.J. Collier			vt->bufpos = 0;
1715129044dSC.J. Collier			vt->state = CMDLINE_VT100_INIT;
1725129044dSC.J. Collier			goto match_command;
1735129044dSC.J. Collier		}
1745129044dSC.J. Collier		break;
1755129044dSC.J. Collier
1765129044dSC.J. Collier	default:
1775129044dSC.J. Collier		vt->bufpos = 0;
1785129044dSC.J. Collier		break;
1795129044dSC.J. Collier	}
1805129044dSC.J. Collier
1815129044dSC.J. Collier	return -2;
1825129044dSC.J. Collier
1835129044dSC.J. Collier match_command:
1845129044dSC.J. Collier	return match_command(vt->buf, size);
1855129044dSC.J. Collier}
186