mirror of https://github.com/xzeldon/htop.git
58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
#ifndef HEADER_Object
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#define HEADER_Object
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/*
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htop - Object.h
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(C) 2004-2012 Hisham H. Muhammad
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(C) 2020 Red Hat, Inc. All Rights Reserved.
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Released under the GNU GPLv2, 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 "RichString.h"
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#include "XAlloc.h"
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#include "Macros.h"
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typedef struct Object_ Object;
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typedef void(*Object_Display)(const Object*, RichString*);
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typedef long(*Object_Compare)(const void*, const void*);
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typedef void(*Object_Delete)(Object*);
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#define Object_getClass(obj_) ((const Object*)(obj_))->klass
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#define Object_setClass(obj_, class_) (((Object*)(obj_))->klass = (const 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((const 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_) ((const ObjectClass*)(&(class_ ## _class)))
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#define AllocThis(class_) (class_*) xMalloc(sizeof(class_)); Object_setClass(this, Class(class_));
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typedef struct ObjectClass_ {
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const void* const 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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const ObjectClass* klass;
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};
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typedef union {
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int i;
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void* v;
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} Arg;
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extern const ObjectClass Object_class;
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#ifndef NDEBUG
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bool Object_isA(const Object* o, const ObjectClass* klass);
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#endif /* NDEBUG */
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#endif
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