Documentation clean-up
This commit was SVN r699.
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@ -3,7 +3,9 @@
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*/
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/**
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* @file:
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* @file
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*
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* Simple C-language object-oriented system.
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*
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* Simple C-language object-oriented system with single inheritance
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* and ownership-based memory management using a retain/release model.
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@ -12,7 +14,7 @@
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* descriptor. The first element of the struct must be the parent
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* class's struct. The class descriptor must be given a well-known
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* name based upon the class struct name: If the struct is sally_t,
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* the class info descriptor should be xxx_t_class_info.
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* the class info descriptor should be sally_t_class_info.
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*
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* (a) To define a class
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*
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@ -20,6 +22,7 @@
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* should always be the parent class, and be called "super",
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* for example
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*
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* @code
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* typedef struct sally_t sally_t;
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* struct sally_t
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* {
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@ -29,6 +32,7 @@
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* };
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*
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* extern lam_class_info_t sally_t_class_info;
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* @endcode
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*
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* All classes must have a parent.
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*
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@ -36,12 +40,14 @@
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* for this class, and should be the name of the class with
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* "_class_info" appended:
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*
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* @code
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* lam_class_info_t sally_t_class_info = {
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* "sally_t",
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* CLASS_INFO(parent_t), // pointer to parent_t_class_info
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* sally_construct,
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* sally_destruct
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* };
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* @endcode
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*
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* This variable should be publically advertised using the "extern"
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* statement in the interface file as shown above.
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@ -53,12 +59,16 @@
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* The first thing sally_construct should do is run its parent's
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* constructor using the OBJ_CONSTRUCT_SUPER macro:
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*
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* @code
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* OBJ_CONSTRUCT_SUPER(obj, type_of_parent);
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* @endcode
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*
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* Similarly, the las thing sally_destruct should do is run its
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* parents' destructor.
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*
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* @code
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* OBJ_DESTRUCT_SUPER(obj, type_of_parent);
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* @endcode
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*
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* Other class methods may be added to the struct.
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*
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@ -66,7 +76,9 @@
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*
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* To create a instance of a class (an object) use OBJ_NEW:
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*
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* @code
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* sally_t *sally = OBJ_NEW(sally_t);
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* @endcode
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*
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* which allocates memory of sizeof(sally_t) and runs the class's
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* "init" method.
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@ -74,9 +86,11 @@
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* Use OBJ_RETAIN, OBJ_RELEASE to do reference-count-based
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* memory management:
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*
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* @code
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* OBJ_RETAIN(sally);
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* OBJ_RELEASE(sally);
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* OBJ_RELEASE(sally);
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* @endcode
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*
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* When the reference count reaches zero, the class's "fini" method
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* is run and the memory is freed.
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@ -90,15 +104,19 @@
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* necessary to initialize the memory, which is done using
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* OBJ_CONSTRUCT:
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*
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* @code
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* sally_t sally;
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*
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* OBJ_CONSTRUCT(&sally, sally_t);
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* @endcode
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*
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* The retain/release model is not necessary here, but before the
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* object goes out of scope, OBJ_DESTRUCT should be run to release
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* initialized resources:
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*
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* @code
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* OBJ_DESTRUCT(&sally);
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* @endcode
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*/
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#ifndef LAM_OBJECT_H
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@ -119,6 +137,10 @@ typedef struct lam_class_info_t lam_class_info_t;
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typedef void (*lam_construct_t) (lam_object_t *);
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typedef void (*lam_destruct_t) (lam_object_t *);
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/**
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* Class descriptor. This structure should be instantiated once for each class.
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*/
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struct lam_class_info_t {
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const char *cls_name;
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lam_class_info_t *cls_parent;
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