config.c
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/**
* \file
*
* \author Georg Hopp
*
* \copyright
* Copyright © 2012 Georg Hopp
*
* This program 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 3 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdarg.h>
#include <string.h>
#include <stdio.h>
#include <ctype.h>
#include <sys/types.h>
#include "class.h"
#include "config/config.h"
#include "config/value.h"
#include "utils/memory.h"
static
int
configCtor(void * _this, va_list * params)
{
Config this = _this;
FILE * handle;
char line[MAX_CONFIG_LINE];
char * cnf_file = va_arg(*params, char *);
size_t ncnf_file = strlen(cnf_file);
this->cnf_file = memMalloc(ncnf_file + 1);
memcpy(this->cnf_file, cnf_file, ncnf_file);
this->cnf_file[ncnf_file] = '\0';
handle = fopen(this->cnf_file, "r");
if (NULL == handle) {
MEM_FREE(this->cnf_file);
return -1;
}
this->config = new(Hash);
line[MAX_CONFIG_LINE] = '\0';
while(NULL != fgets(line, MAX_CONFIG_LINE, handle)) {
char * key = line;
size_t nkey = 0;
size_t nvalue = 0;
size_t nspaces = 0;
char * value;
while (isspace(*key)) {
key++;
}
if ('#' == *key || 0 == *key) {
continue;
}
while (! isspace(key[nkey])) {
nkey++;
}
value = &(key[nkey+1]);
while (isspace(*value)) {
value++;
}
while ('\0' != value[nvalue+nspaces]
&& '\n' != value[nvalue+nspaces])
{
if (isspace(value[nvalue+nspaces])) {
nspaces++;
} else {
if (0 != nspaces) {
nvalue += nspaces;
nspaces = 0;
}
nvalue++;
}
}
value[nvalue] = '\0';
if (0 != nkey && 0 != nvalue) {
hashAdd(
this->config,
new(ConfigValue, key, nkey, value, nvalue));
}
}
fclose(handle);
return 0;
}
static void configDtor(void * _this)
{
Config this = _this;
MEM_FREE(this->cnf_file);
delete(this->config);
}
INIT_IFACE(Class, configCtor, configDtor, NULL);
CREATE_CLASS(Config, NULL, IFACE(Class));
// vim: set ts=4 sw=4: