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/*
* Layout resource parsing for xpmumon.
*
* Copyright (c) 2002 Brendan O'Dea <bod@debian.org>
*
* This 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 of the License, or
* (at your option) any later version.
*
* This program 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.
*
* http://www.gnu.org/copyleft/gpl.txt
*/
#include <X11/Intrinsic.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include "misc.h"
#include "carp.h"
#include "layout.h"
RCS_Id("$Id: layout.c,v 1.1 2002/01/20 07:14:25 bod Exp $")
static struct types {
char const *name;
enum type type;
enum style default_style;
} types[] = {
{ "current", type_current, style_meter },
{ "voltage", type_voltage, style_meter },
{ "power", type_power, style_meter },
{ "charge", type_charge, style_hgauge },
{ "time", type_time, style_basic },
{ 0 },
};
static struct styles {
char const *name;
enum style style;
} styles[] = {
{ "meter", style_meter },
{ "hgauge", style_hgauge },
{ "vgauge", style_vgauge },
{ "basic", style_basic },
{ 0 },
};
static struct types *lookup_type(char const *str)
{
struct types *t = types;
while (t->name)
if (!strcmp(t->name, str))
return t;
else
t++;
return 0;
}
static struct styles *lookup_style(char const *str)
{
struct styles *s = styles;
while (s->name)
if (!strcmp(s->name, str))
return s;
else
s++;
return 0;
}
static char *strip(char *s)
{
while (isspace(*s))
s++;
{
char *p = s + strlen(s) - 1;
while (p >= s && isspace(*p))
*p-- = 0;
}
return s;
}
struct doodads **parse_layout(char const *layout, int batteries)
{
struct doodads **ret = 0;
int row = 0;
if (!*layout)
croak(2, 0, "layout required");
/* calculate the number of rows */
{
char const *p = layout;
while (p)
{
row++;
if ((p = strpbrk(p, ";\n")))
p++;
}
}
ret = (struct doodads **) XtMalloc((row + 1) * sizeof(struct doodads *));
ret[row] = 0;
{
char *tmp = XtNewString(layout);
char *next_row = 0;
row = 0;
do {
int col = 0;
char *next_col = 0;
next_row = strpbrk(tmp, ";\n");
if (next_row)
*next_row++ = 0;
/* calculate the number of cols */
{
char const *p = tmp;
while (p)
{
col++;
if ((p = strchr(p, ',')))
p++;
}
}
ret[row] = (struct doodads *)
XtMalloc((col + 1) * sizeof(struct doodads));
ret[row][col].name = 0;
col = 0;
do {
int battery = -1;
int style = -1;
struct types *t;
char *p;
int len;
next_col = strchr(tmp, ',');
if (next_col)
*next_col++ = 0;
tmp = strip(tmp);
len = strlen(tmp);
if (tmp[len - 1] == ')' && (p = strchr(tmp, '(')))
{
struct styles *sp = 0;
tmp[len - 1] = *p++ = 0;
p = strip(p);
if (!(sp = lookup_style(p)))
croak(2, 0, "invalid style specification `%s' (%d,%d)",
p, col, row);
style = sp->style;
tmp = strip(tmp);
}
if ((p = strchr(tmp, '_')))
{
char *e;
*p++ = 0;
battery = strtol(p, &e, 10);
if (*e || battery < 0 || battery >= batteries)
croak(2, 0, "invalid battery specification `%s' "
"(%d,%d)", p, col, row);
}
if (!(t = lookup_type(tmp)))
croak(2, 0, "invalid type specification `%s' (%d,%d)",
tmp, col, row);
ret[row][col].name = t->name;
ret[row][col].w = None;
ret[row][col].style = style < 0 ? t->default_style : style;
ret[row][col].type = t->type;
ret[row][col].battery = battery;
ret[row][col].value = 0;
ret[row][col].string_value[0] = 0;
if (battery != -1)
{
char *name;
/* re-append the battery number */
sprintf(tmp + strlen(tmp), "_%d", battery);
name = XtMalloc(strlen(tmp) + 1);
ret[row][col].name = strcpy(name, tmp);
}
col++;
} while ((tmp = next_col));
row++;
} while ((tmp = next_row));
XtFree(tmp);
}
return ret;
}
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