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author | reinelt <> | 2004-01-13 10:03:01 +0000 |
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committer | reinelt <> | 2004-01-13 10:03:01 +0000 |
commit | b626a0b1272e703d01a8001ddd7bab7b3cd5b6e3 (patch) | |
tree | 176e34d955f57d8609c83df1ef2f9879c383f6ab /plugin_cfg.c | |
parent | 0b18f5b46afcb30ba2bc3e813eb170463a84b073 (diff) | |
download | lcd4linux-b626a0b1272e703d01a8001ddd7bab7b3cd5b6e3.tar.gz |
[lcd4linux @ 2004-01-13 10:03:01 by reinelt]
new util 'hash' for associative arrays
new plugin 'cpuinfo'
Diffstat (limited to '')
-rw-r--r-- | plugin_cfg.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/plugin_cfg.c b/plugin_cfg.c new file mode 100644 index 0000000..0b1a229 --- /dev/null +++ b/plugin_cfg.c @@ -0,0 +1,125 @@ +/* $Id: plugin_cfg.c,v 1.1 2004/01/13 10:03:01 reinelt Exp $ + * + * plugin for config file access + * + * Copyright 2003, 2004 Michael Reinelt <reinelt@eunet.at> + * Copyright 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_cfg.c,v $ + * Revision 1.1 2004/01/13 10:03:01 reinelt + * new util 'hash' for associative arrays + * new plugin 'cpuinfo' + * + */ + +/* + * exported functions: + * + * int plugin_init_cfg (void) + * adds cfg() function for config access + * initializes variables from the config file + * + */ + + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> + +#include "debug.h" +#include "evaluator.h" +#include "plugin.h" +#include "cfg.h" + + +static void load_variables (void) +{ + char *section="Variables"; + char *list, *key; + char *expression; + RESULT result = {0, 0.0, NULL}; + + list=cfg_list(section); + key=strtok(list, "|"); + while (key!=NULL) { + if (strchr(key, '.')!=NULL || strchr(key, ':') !=0) { + error ("ignoring variable '%s' from %s: structures not allowed", key, cfg_source()); + } else { + expression=cfg_get (section, key, ""); + if (expression!=NULL && *expression!='\0') { + if (Eval(expression, &result)==0) { + debug ("Variable %s = '%s' (%f)", key, R2S(&result), R2N(&result)); + SetVariable (key, &result); + DelResult (&result); + } else { + error ("error evaluating variable '%s' from %s", key, cfg_source()); + } + } + } + key=strtok(NULL, "|"); + } + free (list); + +} + + +static void my_cfg (RESULT *result, int argc, RESULT *argv[]) +{ + int i, len; + char *value; + char *buffer; + + // calculate key length + len=0; + for (i=0; i<argc; i++) { + len+=strlen(R2S(argv[i]))+1; + } + + // allocate key buffer + buffer=malloc(len+1); + + // prepare key buffer + *buffer='\0'; + for (i=0; i<argc; i++) { + strcat (buffer, "."); + strcat (buffer, R2S(argv[i])); + } + + // buffer starts with '.', so cut off first char + value=cfg_get("", buffer+1, ""); + + // free buffer again + free (buffer); + + // store result + SetResult(&result, R_STRING, value); +} + + +int plugin_init_cfg (void) +{ + // load "Variables" section from cfg + load_variables(); + + // register plugin + AddFunction ("cfg", -1, my_cfg); + + return 0; +} |