mirror of https://github.com/xzeldon/htop.git
63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
/*
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htop - Object.c
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(C) 2004-2012 Hisham H. Muhammad
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Released under the GNU GPL, see the COPYING file
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in the source distribution for its full text.
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*/
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#include "Object.h"
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/*{
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#include "RichString.h"
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typedef struct Object_ Object;
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typedef void(*Object_Display)(Object*, RichString*);
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typedef int(*Object_Compare)(const void*, const void*);
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typedef void(*Object_Delete)(Object*);
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#define Object_getClass(obj_) ((Object*)(obj_))->klass
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#define Object_setClass(obj_, class_) Object_getClass(obj_) = (ObjectClass*) class_
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#define Object_delete(obj_) Object_getClass(obj_)->delete((Object*)(obj_))
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#define Object_displayFn(obj_) Object_getClass(obj_)->display
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#define Object_display(obj_, str_) Object_getClass(obj_)->display((Object*)(obj_), str_)
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#define Object_compare(obj_, other_) Object_getClass(obj_)->compare((const void*)(obj_), other_)
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#define Class(class_) ((ObjectClass*)(&(class_ ## _class)))
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#define AllocThis(class_) (class_*) malloc(sizeof(class_)); Object_setClass(this, Class(class_));
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typedef struct ObjectClass_ {
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const void* extends;
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const Object_Display display;
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const Object_Delete delete;
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const Object_Compare compare;
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} ObjectClass;
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struct Object_ {
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ObjectClass* klass;
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};
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}*/
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ObjectClass Object_class = {
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.extends = NULL
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};
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#ifdef DEBUG
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bool Object_isA(Object* o, const ObjectClass* klass) {
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if (!o)
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return false;
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const ObjectClass* type = o->klass;
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while (type) {
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if (type == klass)
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return true;
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type = type->extends;
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}
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return false;
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}
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#endif
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