value.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 <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include "class.h"
#include "config/value.h"
#include "utils/memory.h"
#include "utils/hash.h"
static
int
configValueCtor(void * _this, va_list * params)
{
ConfigValue this = _this;
char * key = va_arg(*params, char *);
size_t nkey = va_arg(*params, size_t);
char * value = va_arg(*params, char *);
size_t nvalue = va_arg(*params, size_t);
this->hash = sdbm((unsigned char *)key, nkey);
/**
* if we find the value enclosed by single or double
* quotes we take it as a string, else we take it
* as a numeric which is treated as a long long
* right now.
*/
if (('"' == value[0] && '"' == value[nvalue-1])
|| ('\'' == value[0] && '\'' == value[nvalue-1]))
{
this->type = CONFIG_VALUE_STRING;
(this->value).string = memMalloc(nvalue-1);
(this->value).string[nvalue-2] = '\0';
memcpy((this->value).string, value+1, nvalue-2);
this->nvalue = nvalue;
} else {
this->type = CONFIG_VALUE_NUMERIC;
(this->value).number = atoll(value);
this->nvalue = sizeof(long long);
}
return 0;
}
static
void
configValueDtor(void * _this)
{
ConfigValue this = _this;
if (CONFIG_VALUE_STRING == this->type) {
MEM_FREE((this->value).string);
}
}
static
unsigned long
configValueGetHash(void * _this)
{
ConfigValue this = _this;
return this->hash;
}
static
void
configValueHandleDouble(void * _this, void * _double)
{
/* right now I do nothing...but I could :D */
}
INIT_IFACE(Class, configValueCtor, configValueDtor, NULL);
INIT_IFACE(Hashable, configValueGetHash, configValueHandleDouble);
CREATE_CLASS(ConfigValue, NULL, IFACE(Class), IFACE(Hashable));
// vim: set ts=4 sw=4: