dyntype.c
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/**
* dyntype.c: structur to hold values of different type and retrieve them again
* Copyright (C) 2011 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 <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <json/json.h>
#include "token/dyntype.h"
#include "token/dyntype/hash.h"
static
size_t _dyntype_sizes[] = {
0,
sizeof(unsigned char),
sizeof(int),
sizeof(double),
sizeof(char *),
sizeof(DYNTYPE *),
sizeof(DYNTYPE_HASH)
};
INIT_CCLASS(DYNTYPE);
__construct(DYNTYPE)
{
_this->type = va_arg(* params, enum DYNTYPE_TYPES);
switch(_this->type) {
case DYNTYPE_TYPE_INT:
(_this->data)._int = va_arg(* params, int);
break;
case DYNTYPE_TYPE_STRING:
{
const char * string = va_arg(* params, const char *);
const size_t length = strlen(string);
(_this->data)._string = calloc(length + 1, sizeof(char));
memcpy((_this->data)._string, string, length);
}
break;
case DYNTYPE_TYPE_HASH:
(_this->data)._hash = va_arg(* params, DYNTYPE_HASH);
break;
default:
(_this->data)._hash = NULL;
}
}
__jsonConst(DYNTYPE)
{
switch (json_object_get_type(json)) {
case json_type_int:
_this->type = DYNTYPE_TYPE_INT;
(_this->data)._int = (int)json_object_get_int(json);
break;
case json_type_string:
{
const char * string = json_object_get_string(json);
const size_t length = strlen(string);
_this->type = DYNTYPE_TYPE_STRING;
(_this->data)._string = calloc(length + 1, sizeof(char));
memcpy((_this->data)._string, string, length);
// the json object handles the memory for string....
}
break;
case json_type_object:
_this->type = DYNTYPE_TYPE_HASH;
(_this->data)._hash = newFromJson(DYNTYPE_HASH, json);
break;
default:
_this->type = DYNTYPE_TYPE_NULL;
(_this->data)._hash = NULL;
}
}
__clear(DYNTYPE) {}
__destruct(DYNTYPE)
{
if (_this) {
switch(_this->type) {
case DYNTYPE_TYPE_STRING:
free((_this->data)._string);
break;
case DYNTYPE_TYPE_HASH:
delete(&((_this->data)._hash));
break;
default:
break;
}
}
}
__toJson(DYNTYPE)
{
switch(_this->type) {
case DYNTYPE_TYPE_INT:
*json = json_object_new_int((_this->data)._int);
break;
case DYNTYPE_TYPE_STRING:
*json = json_object_new_string((_this->data)._string);
break;
case DYNTYPE_TYPE_HASH:
toJson((_this->data)._hash, json);
break;
default:
*json = NULL;
}
}
enum DYNTYPE_TYPES
dyntype_getType(DYNTYPE _this)
{
return _this->type;
}
size_t
dyntype_getSize(DYNTYPE _this)
{
return _dyntype_sizes[_this->type];
}
unsigned char
dyntype_getBoolean(DYNTYPE _this)
{
return (_this->data)._boolean;
}
int
dyntype_getInt(DYNTYPE _this)
{
return (_this->data)._int;
}
double
dyntype_getDouble(DYNTYPE _this)
{
return (_this->data)._double;
}
char *
dyntype_getString(DYNTYPE _this)
{
return (_this->data)._string;
}
DYNTYPE *
dyntype_getArray(DYNTYPE _this)
{
return (_this->data)._array;
}
DYNTYPE_HASH
dyntype_getHash(DYNTYPE _this)
{
return (_this->data)._hash;
}
// vim: set et ts=4 sw=4: