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path: root/lib/librte_cmdline/cmdline_vt100.h
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/*-
 *   BSD LICENSE
 * 
 *   Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
 *   All rights reserved.
 * 
 *   Redistribution and use in source and binary forms, with or without 
 *   modification, are permitted provided that the following conditions 
 *   are met:
 * 
 *     * Redistributions of source code must retain the above copyright 
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright 
 *       notice, this list of conditions and the following disclaimer in 
 *       the documentation and/or other materials provided with the 
 *       distribution.
 *     * Neither the name of Intel Corporation nor the names of its 
 *       contributors may be used to endorse or promote products derived 
 *       from this software without specific prior written permission.
 * 
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
 *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
 *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
 *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
 *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 */

/*
 * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
 * All rights reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the University of California, Berkeley nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _CMDLINE_VT100_H_
#define _CMDLINE_VT100_H_

#ifdef __cplusplus
extern "C" {
#endif

#define vt100_bell         "\007"
#define vt100_bs           "\010"
#define vt100_bs_clear     "\010 \010"
#define vt100_tab          "\011"
#define vt100_crnl         "\012\015"
#define vt100_clear_right  "\033[0K"
#define vt100_clear_left   "\033[1K"
#define vt100_clear_down   "\033[0J"
#define vt100_clear_up     "\033[1J"
#define vt100_clear_line   "\033[2K"
#define vt100_clear_screen "\033[2J"
#define vt100_up_arr       "\033\133\101"
#define vt100_down_arr     "\033\133\102"
#define vt100_right_arr    "\033\133\103"
#define vt100_left_arr     "\033\133\104"
#define vt100_multi_right  "\033\133%uC"
#define vt100_multi_left   "\033\133%uD"
#define vt100_suppr        "\033\133\063\176"
#define vt100_home         "\033M\033E"
#define vt100_word_left    "\033\142"
#define vt100_word_right   "\033\146"

/* Result of parsing : it must be synchronized with
 * cmdline_vt100_commands[] in vt100.c */
#define CMDLINE_KEY_UP_ARR 0
#define CMDLINE_KEY_DOWN_ARR 1
#define CMDLINE_KEY_RIGHT_ARR 2
#define CMDLINE_KEY_LEFT_ARR 3
#define CMDLINE_KEY_BKSPACE 4
#define CMDLINE_KEY_RETURN 5
#define CMDLINE_KEY_CTRL_A 6
#define CMDLINE_KEY_CTRL_E 7
#define CMDLINE_KEY_CTRL_K 8
#define CMDLINE_KEY_CTRL_Y 9
#define CMDLINE_KEY_CTRL_C 10
#define CMDLINE_KEY_CTRL_F 11
#define CMDLINE_KEY_CTRL_B 12
#define CMDLINE_KEY_SUPPR 13
#define CMDLINE_KEY_TAB 14
#define CMDLINE_KEY_CTRL_D 15
#define CMDLINE_KEY_CTRL_L 16
#define CMDLINE_KEY_RETURN2 17
#define CMDLINE_KEY_META_BKSPACE 18
#define CMDLINE_KEY_WLEFT 19
#define CMDLINE_KEY_WRIGHT 20
#define CMDLINE_KEY_HELP 21
#define CMDLINE_KEY_CTRL_W 22
#define CMDLINE_KEY_CTRL_P 23
#define CMDLINE_KEY_CTRL_N 24
#define CMDLINE_KEY_META_D 25

extern const char *cmdline_vt100_commands[];

enum cmdline_vt100_parser_state {
	CMDLINE_VT100_INIT,
	CMDLINE_VT100_ESCAPE,
	CMDLINE_VT100_ESCAPE_CSI
};

#define CMDLINE_VT100_BUF_SIZE 8
struct cmdline_vt100 {
	uint8_t bufpos;
	char buf[CMDLINE_VT100_BUF_SIZE];
	enum cmdline_vt100_parser_state state;
};

/**
 * Init
 */
void vt100_init(struct cmdline_vt100 *vt);

/**
 * Input a new character.
 * Return -1 if the character is not part of a control sequence
 * Return -2 if c is not the last char of a control sequence
 * Else return the index in vt100_commands[]
 */
int vt100_parser(struct cmdline_vt100 *vt, char c);

#ifdef __cplusplus
}
#endif

#endif