doubango-android/tinySAK/test/test_object.h

/*
* Copyright (C) 2009 Mamadou Diop.
*
* Contact: Mamadou Diop <diopmamadou(at)doubango.org>
*
* This file is part of Open Source Doubango Framework.
*
* DOUBANGO 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.
*
* DOUBANGO 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 DOUBANGO.
*
*/
#if !defined(_TEST_OBJECT_H_) && 0
#define _TEST_OBJECT_H_

typedef struct person_s {
    TSK_DECLARE_OBJECT; // Mandatory

    char* name;
    struct person_s* girlfriend;
}
person_t;

// (a student is a person)
typedef struct student_s {
    struct person_s* person; // Must be the first element
    char* school;
}
student_t;

//// (as a student is a person you can do)
//student_t* s;
//((person_t*)s)->name = tsk_strdup("bob");


// constructor
static tsk_object_t* person_create(tsk_object_t * self, va_list * app)
{
    person_t *person = self;
    if(person) {
        person->name = tsk_strdup(va_arg(*app, const char *));
    }
    return self;
}

// destructor
static tsk_object_t* person_destroy(tsk_object_t * self)
{
    person_t *person = self;
    if(person) {
        TSK_FREE(person->name);
        tsk_object_unref(person->girlfriend);
    }
    return self; // return
}

// comparator
static int person_cmp(const tsk_object_t *_p1, const tsk_object_t *_p2)
{
    const person_t *p1 = _p1;
    const person_t *p1 = _p2;
    int ret;

    // do they have the same name?
    if((ret = tsk_stricmp(p1->name, p2->name))) {
        return ret;
    }
    // do they have the same girlfriend?
    if((ret = tsk_object_cmp(p1->girlfriend, p2->girlfriend))) {
        return ret;
    }

    // they are the same
    return 0;
}

//(Object defnition)
static const tsk_object_def_t person_def_t = {
    sizeof(person_t),
    person_create,
    person_destroy,
    person_cmp
};

// create a person
#define PERSON_CREATE(name)				tsk_object_new(&person_def_t, (const char*)name)

/* test object */
void test_object()
{
    // creates a person: will call the constructor
    person_t* bob = PERSON_CREATE("bob");
    // creates bob's girlfriend
    bob->girlfriend = PERSON_CREATE("alice");
    // deletes bob: will delete both bob and bob's girlfriend field by calling their destructors
    TSK_OBJECT_SAFE_FREE(bob);
}

#endif /* _TEST_OBJECT_H_ */