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/* $Id: plugin_string.c,v 1.8 2005/05/08 04:32:45 reinelt Exp $
 *
 * string plugin
 *
 * Copyright (C) 2003, 2004 Michael Reinelt <reinelt@eunet.at>
 * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
 *
 * 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: plugin_string.c,v $
 * Revision 1.8  2005/05/08 04:32:45  reinelt
 * CodingStyle added and applied
 *
 * Revision 1.7  2005/01/18 06:30:23  reinelt
 * added (C) to all copyright statements
 *
 * Revision 1.6  2004/06/26 12:05:00  reinelt
 *
 * uh-oh... the last CVS log message messed up things a lot...
 *
 * Revision 1.5  2004/06/26 09:27:21  reinelt
 *
 * added '-W' to CFLAGS
 * changed all C++ comments to C ones
 * cleaned up a lot of signed/unsigned mistakes
 *
 * Revision 1.4  2004/03/03 03:47:04  reinelt
 * big patch from Martin Hejl:
 * - use qprintf() where appropriate
 * - save CPU cycles on gettimeofday()
 * - add quit() functions to free allocated memory
 * - fixed lots of memory leaks
 *
 * Revision 1.3  2004/01/29 04:40:02  reinelt
 * every .c file includes "config.h" now
 *
 * Revision 1.2  2004/01/11 18:26:02  reinelt
 * further widget and layout processing
 *
 * Revision 1.1  2003/12/19 05:50:34  reinelt
 * added plugin_math.c and plugin_string.c
 *
 */

/* 
 * exported functions:
 *
 * int plugin_init_string (void)
 *  adds some handy string functions
 *
 */


#include "config.h"

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

#include "debug.h"
#include "plugin.h"


static void my_strlen(RESULT * result, RESULT * arg1)
{
    double value = strlen(R2S(arg1));
    SetResult(&result, R_NUMBER, &value);
}


int plugin_init_string(void)
{

    /* register some basic string functions */
    AddFunction("strlen", 1, my_strlen);

    return 0;
}

void plugin_exit_string(void)
{
    /* empty */
}
"><dmalloc.h> #endif /* rename old-style widgets without layer */ static int layout_migrate(const char *section) { char *list, *old, *new; int row, col; /* get a list of all keys in this section */ list = cfg_list(section); /* map to lower char for scanf() */ for (old = list; *old != '\0'; old++) *old = tolower(*old); old = list; while (old != NULL) { char *p; int i, n; /* list is delimited by | */ while (*old == '|') old++; if ((p = strchr(old, '|')) != NULL) *p = '\0'; /* row/col widgets w/o layer */ i = sscanf(old, "row%d.col%d%n", &row, &col, &n); if (i == 2 && old[n] == '\0') { /* prepare new key */ /* strlen("Layer:1.")=8 */ new = malloc(strlen(old) + 9); strcpy(new, "Layer:1."); strcat(new, old); debug("%s: migrating '%s' to '%s'", section, old, new); if (cfg_rename(section, old, new) < 0) { error("WARNING: %s: both keys '%s' and '%s' may not exist!", section, old, new); } free(new); } /* next field */ old = p ? p + 1 : NULL; } free(list); return 0; } int layout_init(const char *layout) { char *section; char *list, *l; char *widget; int lay, row, col, num; info("initializing layout '%s'", layout); /* prepare config section */ /* strlen("Layout:")=7 */ section = malloc(strlen(layout) + 8); strcpy(section, "Layout:"); strcat(section, layout); /* mirate layout to common format */ layout_migrate(section); /* get a list of all keys in this section */ list = cfg_list(section); /* map to lower char for scanf() */ for (l = list; *l != '\0'; l++) *l = tolower(*l); l = list; while (l != NULL) { char *p; int i, n; /* list is delimited by | */ while (*l == '|') l++; if ((p = strchr(l, '|')) != NULL) *p = '\0'; /* layer/x/y widgets */ i = sscanf(l, "layer:%d.x%d.y%d%n", &lay, &row, &col, &n); if (i == 3 && l[n] == '\0') { if (lay < 0 || lay >= LAYERS) { error("%s: layer %d out of bounds (0..%d)", section, lay, LAYERS - 1); } else { widget = cfg_get(section, l, NULL); if (widget != NULL && *widget != '\0') { widget_add(widget, WIDGET_TYPE_XY, lay, row - 1, col - 1); } free(widget); } } /* layer/row/col widgets */ i = sscanf(l, "layer:%d.row%d.col%d%n", &lay, &row, &col, &n); if (i == 3 && l[n] == '\0') { if (lay < 0 || lay >= LAYERS) { error("%s: layer %d out of bounds (0..%d)", section, lay, LAYERS - 1); } else { widget = cfg_get(section, l, NULL); if (widget != NULL && *widget != '\0') { widget_add(widget, WIDGET_TYPE_RC, lay, row - 1, col - 1); } free(widget); } } /* GPO widgets */ i = sscanf(l, "gpo%d%n", &num, &n); if (i == 1 && l[n] == '\0') { widget = cfg_get(section, l, NULL); if (widget != NULL && *widget != '\0') { widget_add(widget, WIDGET_TYPE_GPO, 0, num - 1, 0); } free(widget); } /* timer widgets */ i = sscanf(l, "timer%d%n", &num, &n); if (i == 1 && l[n] == '\0') { widget = cfg_get(section, l, NULL); if (widget != NULL && *widget != '\0') { widget_add(widget, WIDGET_TYPE_TIMER, 0, num - 1, 0); } free(widget); } /* keypad widget */ i = sscanf(l, "keypad%d%n", &num, &n); if (i == 1 && l[n] == '\0') { widget = cfg_get(section, l, NULL); if (widget != NULL && *widget != '\0') { widget_add(widget, WIDGET_TYPE_KEYPAD, 0, num - 1, 0); } free(widget); } /* next field */ l = p ? p + 1 : NULL; } free(list); free(section); return 0; }