root / proj / libs / classes / include / list.h @ 322
History | View | Annotate | Download (3.99 KB)
| 1 |
#ifndef LIST_H_INCLUDED
|
|---|---|
| 2 |
#define LIST_H_INCLUDED
|
| 3 |
|
| 4 |
struct list_node;
|
| 5 |
/**
|
| 6 |
* @brief List node.
|
| 7 |
*
|
| 8 |
* Can be used like a C++ std::list iterator.
|
| 9 |
* A list node stores a void* to allow for more flexibility.
|
| 10 |
*/
|
| 11 |
typedef struct list_node list_node_t; |
| 12 |
|
| 13 |
/**
|
| 14 |
* @brief Construct list node.
|
| 15 |
* @param p Pointer to previous list node
|
| 16 |
* @param n Pointer to next list node
|
| 17 |
* @param val Value to be stored in the list node
|
| 18 |
* @return Pointer to created list node
|
| 19 |
*/
|
| 20 |
list_node_t* (list_node_ctor)(list_node_t *p, list_node_t *n, void *val);
|
| 21 |
/**
|
| 22 |
* @brief Destruct list node.
|
| 23 |
* @param p Pointer to list node to be destroyed
|
| 24 |
*/
|
| 25 |
void (list_node_dtor)(list_node_t *p);
|
| 26 |
/**
|
| 27 |
* @brief Get next node.
|
| 28 |
* @param p Pointer to list node
|
| 29 |
* @return Pointer to next list node
|
| 30 |
*/
|
| 31 |
list_node_t* (list_node_next)(const list_node_t *p);
|
| 32 |
/**
|
| 33 |
* @brief Get previous node.
|
| 34 |
* @param p Pointer to list node
|
| 35 |
* @return Pointer to previous list node
|
| 36 |
*/
|
| 37 |
list_node_t* (list_node_prev)(const list_node_t *p);
|
| 38 |
/**
|
| 39 |
* @brief Get value stored in the node.
|
| 40 |
* @param p Pointer to list node
|
| 41 |
* @return Pointer to the stored value (which is in turn a void*).
|
| 42 |
*/
|
| 43 |
void** (list_node_val )(list_node_t *p);
|
| 44 |
|
| 45 |
struct list;
|
| 46 |
/**
|
| 47 |
* @brief List.
|
| 48 |
*
|
| 49 |
* Can be used like a C++ std::list.
|
| 50 |
* A list_t is a sequence of list_node_t nodes, that store void* to allow for more flexibility.
|
| 51 |
*/
|
| 52 |
typedef struct list list_t; |
| 53 |
|
| 54 |
/**
|
| 55 |
* @brief Construct empty list.
|
| 56 |
* @return Pointer to created list
|
| 57 |
*/
|
| 58 |
list_t* (list_ctor) (void);
|
| 59 |
/**
|
| 60 |
* @brief Destruct list.
|
| 61 |
*
|
| 62 |
* A list can only be destroyed once it is empty.
|
| 63 |
* This is because a list stores void*, whose memory most likely need to be free'd.
|
| 64 |
* @param l Pointer to list to be destroyed
|
| 65 |
* @return SUCCESS if the destruction was successful, other value otherwise.
|
| 66 |
*/
|
| 67 |
int (list_dtor) (list_t *l);
|
| 68 |
/**
|
| 69 |
* @brief Get pointer to the first node of the list.
|
| 70 |
* @param l Pointer to list
|
| 71 |
* @return Pointer to first node of the list.
|
| 72 |
*/
|
| 73 |
list_node_t* (list_begin) (list_t *l); |
| 74 |
/**
|
| 75 |
* @brief Get pointer to the past-the-end node of the list.
|
| 76 |
* @param l Pointer to list
|
| 77 |
* @return Pointer to past-the-end node of the list
|
| 78 |
*/
|
| 79 |
list_node_t* (list_end) (list_t *l); |
| 80 |
/**
|
| 81 |
* @brief Get size of the list.
|
| 82 |
* @param l Pointer to list
|
| 83 |
* @return Size of the list
|
| 84 |
*/
|
| 85 |
size_t (list_size) (const list_t *l);
|
| 86 |
/**
|
| 87 |
* @brief Know if list is empty or not.
|
| 88 |
* @param l Pointer to list
|
| 89 |
* @return true if the list is empty (size is zero), false otherwise
|
| 90 |
*/
|
| 91 |
int (list_empty) (const list_t *l); |
| 92 |
/**
|
| 93 |
* @brief Insert value in list.
|
| 94 |
* @param l Pointer to list
|
| 95 |
* @param position Pointer to node, before which the new value will be inserted
|
| 96 |
* @param val Value to be inserted before position
|
| 97 |
* @return Pointer to newly-created node
|
| 98 |
*/
|
| 99 |
list_node_t* (list_insert) (list_t *l, list_node_t *position, void *val);
|
| 100 |
/**
|
| 101 |
* @brief Erase value in list.
|
| 102 |
* @param l Pointer to list
|
| 103 |
* @param position Node to be deleted
|
| 104 |
* @return Value contained in the deleted node, which must be free'd if appropriate
|
| 105 |
*/
|
| 106 |
void* (list_erase) (list_t *l, list_node_t *position);
|
| 107 |
/**
|
| 108 |
* @brief Insert new value at the end of the list.
|
| 109 |
* @param l Pointer to list
|
| 110 |
* @param val Value to be inserted
|
| 111 |
*/
|
| 112 |
void (list_push_back)(list_t *l, void *val); |
| 113 |
/**
|
| 114 |
* @brief Get first element of the list.
|
| 115 |
* @param l Pointer to list
|
| 116 |
* @return Pointer to value at the beginning of the list
|
| 117 |
*/
|
| 118 |
void** (list_front) (list_t *l);
|
| 119 |
/**
|
| 120 |
* @brief Erase first element of the list.
|
| 121 |
* @param l Pointer to list
|
| 122 |
*/
|
| 123 |
void (list_pop_front)(list_t *l);
|
| 124 |
/**
|
| 125 |
* @brief Find value in list.
|
| 126 |
*
|
| 127 |
* Values are found by direct comparison of void*
|
| 128 |
* @param l Pointer to list
|
| 129 |
* @param val Pointer to value to be found in the list
|
| 130 |
* @return Node whose value compares equal to val, or past-the-end node if not found
|
| 131 |
*/
|
| 132 |
list_node_t* (list_find) (list_t *l, void *val);
|
| 133 |
|
| 134 |
#endif //LIST_H_INCLUDED |