/* $Id: parser.c,v 1.24 2004/01/05 11:57:38 reinelt Exp $
 *
 * row definition parser
 *
 * Copyright 1999, 2000 Michael Reinelt <reinelt@eunet.at>
 *
 * This file is part of LCD4Linux.
 *
 * LCD4Linux is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * LCD4Linux is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *
 * $Log: parser.c,v $
 * Revision 1.24  2004/01/05 11:57:38  reinelt
 * added %y tokens to make the Evaluator useable
 *
 * Revision 1.23  2003/11/11 04:40:20  reinelt
 * WIFI patch from Xavier Vello
 *
 * Revision 1.22  2003/10/12 06:08:28  nicowallmeier
 * imond/telmond support
 *
 * Revision 1.21  2003/10/05 17:58:50  reinelt
 * libtool junk; copyright messages cleaned up
 *
 * Revision 1.20  2003/09/01 04:09:35  reinelt
 * icons nearly finished, but MatrixOrbital only
 *
 * Revision 1.19  2003/06/21 05:46:18  reinelt
 * DVB client integrated
 *
 * Revision 1.18  2002/12/05 19:23:01  reinelt
 * fixed undefined operations found by gcc3
 *
 * Revision 1.17  2002/08/19 04:41:20  reinelt
 * introduced bar.c, moved bar stuff from display.h to bar.h
 *
 * Revision 1.16  2001/03/16 16:40:17  ltoetsch
 * implemented time bar
 *
 * Revision 1.15  2001/03/14 13:19:29  ltoetsch
 * Added pop3/imap4 mail support
 *
 * Revision 1.14  2001/03/13 08:34:15  reinelt
 *
 * corrected a off-by-one bug with sensors
 *
 * Revision 1.13  2001/03/08 15:25:38  ltoetsch
 * improved exec
 *
 * Revision 1.12  2001/03/07 18:10:21  ltoetsch
 * added e(x)ec commands
 *
 * Revision 1.11  2001/03/02 10:18:03  ltoetsch
 * added /proc/apm battery stat
 *
 * Revision 1.10  2001/02/19 00:15:46  reinelt
 *
 * integrated mail and seti client
 * major rewrite of parser and tokenizer to support double-byte tokens
 *
 * Revision 1.9  2001/02/16 08:23:09  reinelt
 *
 * new token 'ic' (ISDN connected) by Carsten Nau <info@cnau.de>
 *
 * Revision 1.8  2001/02/14 07:40:16  reinelt
 *
 * first (incomplete) GPO implementation
 *
 * Revision 1.7  2000/08/10 09:44:09  reinelt
 *
 * new debugging scheme: error(), info(), debug()
 * uses syslog if in daemon mode
 *
 * Revision 1.6  2000/05/21 06:20:35  reinelt
 *
 * added ppp throughput
 * token is '%t[iomt]' at the moment, but this will change in the near future
 *
 * Revision 1.5  2000/03/24 11:36:56  reinelt
 *
 * new syntax for raster configuration
 * changed XRES and YRES to be configurable
 * PPM driver works nice
 *
 * Revision 1.4  2000/03/19 08:41:28  reinelt
 *
 * documentation available! README, README.MatrixOrbital, README.Drivers
 * added Skeleton.c as a starting point for new drivers
 *
 * Revision 1.3  2000/03/18 10:31:06  reinelt
 *
 * added sensor handling (for temperature etc.)
 * made data collecting happen only if data is used
 * (reading /proc/meminfo takes a lot of CPU!)
 * released lcd4linux-0.92
 *
 * Revision 1.2  2000/03/17 09:21:42  reinelt
 *
 * various memory statistics added
 *
 * Revision 1.1  2000/03/13 15:58:24  reinelt
 *
 * release 0.9
 * moved row parsing to parser.c
 * all basic work finished
 *
 */

/* 
 * exported functions:
 *
 * char *parse_row (char *string, int supported_bars, int usage[])
 *    converts a row definition from the config file
 *    into the internal form using tokens
 *    sets the array usage[token] to usage count
 *
 * char parse_gpo (char *string, int usage[])
 *    converts a GPO definition from the config file
 *    into the internal form using tokens
 *    sets the array usage[token] to usage count
 *
 */

#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <string.h>

#include "debug.h"
#include "display.h"
#include "bar.h"
#include "parser.h"

typedef struct {
  char *symbol;
  TOKEN token;
  CLASS class;
  int bar;
} SYMTAB;

static SYMTAB Symtab[] = {{ "%",  T_PERCENT,    C_GENERIC, 0 },
			  { "$",  T_DOLLAR,     C_GENERIC, 0 },
			  { "&",  T_AMPERSAND,  C_GENERIC, 0 },
			  { "o",  T_OS,         C_GENERIC, 0 },
			  { "v",  T_RELEASE,    C_GENERIC, 0 },
			  { "p",  T_CPU,        C_GENERIC, 0 },
			  { "r",  T_RAM,        C_GENERIC, 0 },
			  { "mt", T_MEM_TOTAL,  C_MEM,     1 },
			  { "mu", T_MEM_USED,   C_MEM,     1 },
			  { "mf", T_MEM_FREE,   C_MEM,     1 },
			  { "ms", T_MEM_SHARED, C_MEM,     1 },
			  { "mb", T_MEM_BUFFER, C_MEM,     1 },
			  { "mc", T_MEM_CACHE,  C_MEM,     1 },
			  { "ma", T_MEM_AVAIL,  C_MEM,     1 },
			  { "l1", T_LOAD_1,     C_LOAD,    1 },
			  { "l2", T_LOAD_2,     C_LOAD,    1 },
			  { "l3", T_LOAD_3,     C_LOAD,    1 },
			  { "L",  T_OVERLOAD,   C_LOAD,    0 },
			  { "cu", T_CPU_USER,   C_CPU,     1 },
			  { "cn", T_CPU_NICE,   C_CPU,     1 },
			  { "cs", T_CPU_SYSTEM, C_CPU,     1 },
			  { "cb", T_CPU_BUSY,   C_CPU,     1 },
			  { "ci", T_CPU_IDLE,   C_CPU,     1 },
			  { "dr", T_DISK_READ,  C_DISK,    1 },
			  { "dw", T_DISK_WRITE, C_DISK,    1 },
			  { "dt", T_DISK_TOTAL, C_DISK,    1 },
			  { "dm", T_DISK_MAX,   C_DISK,    1 },
			  { "nr", T_ETH_RX,     C_ETH,     1 },
			  { "nw", T_ETH_TX,     C_ETH,     1 },
			  { "nt", T_ETH_TOTAL,  C_ETH,     1 },
			  { "nm", T_ETH_MAX,    C_ETH,     1 },
			  { "ic", T_ISDN_USED,  C_ISDN,    0 },
			  { "ii", T_ISDN_IN,    C_ISDN,    1 },
			  { "io", T_ISDN_OUT,   C_ISDN,    1 },
			  { "it", T_ISDN_TOTAL, C_ISDN,    1 },
			  { "im", T_ISDN_MAX,   C_ISDN,    1 },
			  { "ws", T_WIFI_SIGNAL,   C_WIFI,    1 },
			  { "wl", T_WIFI_LINK, C_WIFI,    1 },
			  { "wn", T_WIFI_NOISE,   C_WIFI,    1 },			  
			  { "ti", T_PPP_RX,     C_PPP,     1 },
			  { "to", T_PPP_TX,     C_PPP,     1 },
			  { "tt", T_PPP_TOTAL,  C_PPP,     1 },
			  { "tm", T_PPP_MAX,    C_PPP,     1 },
			  { "hc", T_SETI_PRC,   C_SETI,    1 },
			  { "ht", T_SETI_CPU,   C_SETI,    0 },
			  { "bp", T_BATT_PERC,  C_BATT,    1 },
			  { "bs", T_BATT_STAT,  C_BATT,    0 },
			  { "bd", T_BATT_DUR,   C_BATT,    0 },
			  { "ss", T_DVB_STRENGTH, C_DVB,   1 },
			  { "sn", T_DVB_SNR,    C_DVB,     1 },
			  { "e*", T_MAIL,       C_MAIL,    0 },
			  { "u*", T_MAIL_UNSEEN,C_MAIL,    0 },
			  { "s*", T_SENSOR,     C_SENSOR,  1 },
			  { "x*", T_EXEC,       C_EXEC,    1 },
			  { "y*", T_EXPR,       C_EXPR,    1 },
			  { "jc", T_IMON_CPU,   C_IMON,    1 },
			  { "jv", T_IMON_VER,   C_IMON,    0 },
			  { "jd", T_IMON_DATE,  C_IMON,    0 },
			  { "jm", T_IMON_TIME,  C_IMON,    0 },
			  { "ji*",T_IMON_RIN,   C_IMON,    1 },
			  { "jo*",T_IMON_ROUT,  C_IMON,    1 },
			  { "js*",T_IMON_STATUS,C_IMON,    0 },
			  { "jn*",T_IMON_PHONE, C_IMON,    0 },
			  { "jp*",T_IMON_IP,    C_IMON,    0 },
			  { "jt*",T_IMON_OTIME, C_IMON,    0 },
			  { "jk*",T_IMON_CHARGE,C_IMON,    0 },
			  { "kn", T_TELMON_NUMBER, C_TELMON,0 },
			  { "km", T_TELMON_MSN, C_TELMON,  0 },
			  { "kd", T_TELMON_DATE, C_TELMON, 0 },
			  { "kt", T_TELMON_TIME, C_TELMON, 0 },
			  { "",  -1,            0 }};

static int bar_type (char tag)
{
  switch (tag) {
  case 'l':
    return BAR_L;
  case 'r':
    return BAR_R;
  case 'u':
    return BAR_U;
  case 'd':
    return BAR_D;
  case 't':
    return BAR_T;
  default:
    return 0;
  }
}

static int get_token (char *s, char **p, int bar, int usage[])
{
  char c;
  int  i, l;
  
  for (i=0; Symtab[i].token!=-1; i++) {
    if (bar && !Symtab[i].bar) continue;
    l=strlen(Symtab[i].symbol);
    if (Symtab[i].symbol[l-1]=='*') {
      if (Symtab[i].token<T_EXTENDED) {<style>pre { line-height: 125%; margin: 0; }
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.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */</style><div class="highlight"><pre><span></span># Channel table for Itabuna - BA - Brazil
# Source: http://www.portalbsd.com.br/terrestres_channels.php?channels=144

# Physical channel 15
[Rede Vida]
	DELIVERY_SYSTEM = ISDBT
	BANDWIDTH_HZ = 6000000
	FREQUENCY = 479142857
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	ISDBT_LAYER_ENABLED = 7
	ISDBT_SOUND_BROADCASTING = 0
	ISDBT_SB_SUBCHANNEL_ID = 0
	ISDBT_SB_SEGMENT_IDX = 0
	ISDBT_SB_SEGMENT_COUNT = 0
	ISDBT_LAYERA_FEC = AUTO
	ISDBT_LAYERA_MODULATION = QAM/AUTO
	ISDBT_LAYERA_SEGMENT_COUNT = 0
	ISDBT_LAYERA_TIME_INTERLEAVING = 0
	ISDBT_LAYERB_FEC = AUTO
	ISDBT_LAYERB_MODULATION = QAM/AUTO
	ISDBT_LAYERB_SEGMENT_COUNT = 0
	ISDBT_LAYERB_TIME_INTERLEAVING = 0
	ISDBT_LAYERC_FEC = AUTO
	ISDBT_LAYERC_MODULATION = QAM/AUTO
	ISDBT_LAYERC_SEGMENT_COUNT = 0
	ISDBT_LAYERC_TIME_INTERLEAVING = 0

# Physical channel 17
[Record TV Cabrália]
	DELIVERY_SYSTEM = ISDBT
	BANDWIDTH_HZ = 6000000
	FREQUENCY = 491142857
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	ISDBT_LAYER_ENABLED = 7
	ISDBT_SOUND_BROADCASTING = 0
	ISDBT_SB_SUBCHANNEL_ID = 0
	ISDBT_SB_SEGMENT_IDX = 0
	ISDBT_SB_SEGMENT_COUNT = 0
	ISDBT_LAYERA_FEC = AUTO
	ISDBT_LAYERA_MODULATION = QAM/AUTO
	ISDBT_LAYERA_SEGMENT_COUNT = 0
	ISDBT_LAYERA_TIME_INTERLEAVING = 0
	ISDBT_LAYERB_FEC = AUTO
	ISDBT_LAYERB_MODULATION = QAM/AUTO
	ISDBT_LAYERB_SEGMENT_COUNT = 0
	ISDBT_LAYERB_TIME_INTERLEAVING = 0
	ISDBT_LAYERC_FEC = AUTO
	ISDBT_LAYERC_MODULATION = QAM/AUTO
	ISDBT_LAYERC_SEGMENT_COUNT = 0
	ISDBT_LAYERC_TIME_INTERLEAVING = 0

# Physical channel 21
[Record News]
	DELIVERY_SYSTEM = ISDBT
	BANDWIDTH_HZ = 6000000
	FREQUENCY = 515142857
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	ISDBT_LAYER_ENABLED = 7
	ISDBT_SOUND_BROADCASTING = 0
	ISDBT_SB_SUBCHANNEL_ID = 0
	ISDBT_SB_SEGMENT_IDX = 0
	ISDBT_SB_SEGMENT_COUNT = 0
	ISDBT_LAYERA_FEC = AUTO
	ISDBT_LAYERA_MODULATION = QAM/AUTO
	ISDBT_LAYERA_SEGMENT_COUNT = 0
	ISDBT_LAYERA_TIME_INTERLEAVING = 0
	ISDBT_LAYERB_FEC = AUTO
	ISDBT_LAYERB_MODULATION = QAM/AUTO
	ISDBT_LAYERB_SEGMENT_COUNT = 0
	ISDBT_LAYERB_TIME_INTERLEAVING = 0
	ISDBT_LAYERC_FEC = AUTO
	ISDBT_LAYERC_MODULATION = QAM/AUTO
	ISDBT_LAYERC_SEGMENT_COUNT = 0
	ISDBT_LAYERC_TIME_INTERLEAVING = 0

# Physical channel 30
[TV Santa Cruz]
	DELIVERY_SYSTEM = ISDBT
	BANDWIDTH_HZ = 6000000
	FREQUENCY = 569142857
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	ISDBT_LAYER_ENABLED = 7
	ISDBT_SOUND_BROADCASTING = 0
	ISDBT_SB_SUBCHANNEL_ID = 0
	ISDBT_SB_SEGMENT_IDX = 0
	ISDBT_SB_SEGMENT_COUNT = 0
	ISDBT_LAYERA_FEC = AUTO
	ISDBT_LAYERA_MODULATION = QAM/AUTO
	ISDBT_LAYERA_SEGMENT_COUNT = 0
	ISDBT_LAYERA_TIME_INTERLEAVING = 0
	ISDBT_LAYERB_FEC = AUTO
	ISDBT_LAYERB_MODULATION = QAM/AUTO
	ISDBT_LAYERB_SEGMENT_COUNT = 0
	ISDBT_LAYERB_TIME_INTERLEAVING = 0
	ISDBT_LAYERC_FEC = AUTO
	ISDBT_LAYERC_MODULATION = QAM/AUTO
	ISDBT_LAYERC_SEGMENT_COUNT = 0
	ISDBT_LAYERC_TIME_INTERLEAVING = 0

# Physical channel 42
[Band Bahia]
	DELIVERY_SYSTEM = ISDBT
	BANDWIDTH_HZ = 6000000
	FREQUENCY = 641142857
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	ISDBT_LAYER_ENABLED = 7
	ISDBT_SOUND_BROADCASTING = 0
	ISDBT_SB_SUBCHANNEL_ID = 0
	ISDBT_SB_SEGMENT_IDX = 0
	ISDBT_SB_SEGMENT_COUNT = 0
	ISDBT_LAYERA_FEC = AUTO
	ISDBT_LAYERA_MODULATION = QAM/AUTO
	ISDBT_LAYERA_SEGMENT_COUNT = 0
	ISDBT_LAYERA_TIME_INTERLEAVING = 0
	ISDBT_LAYERB_FEC = AUTO
	ISDBT_LAYERB_MODULATION = QAM/AUTO
	ISDBT_LAYERB_SEGMENT_COUNT = 0
	ISDBT_LAYERB_TIME_INTERLEAVING = 0
	ISDBT_LAYERC_FEC = AUTO
	ISDBT_LAYERC_MODULATION = QAM/AUTO
	ISDBT_LAYERC_SEGMENT_COUNT = 0
	ISDBT_LAYERC_TIME_INTERLEAVING = 0
</pre></div>
</code></pre></td></tr></table>
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