warzone2100/lib/betawidget/vector.h

89 lines
2.2 KiB
C

#ifndef VECTOR_H_
#define VECTOR_H_
typedef struct _vector vector;
typedef void (*mapCallback) (void *object);
/**
* Creates a new vector.
*
* @return A pointer to the newly created vector on success; otherwise NULL.
*/
vector *vectorCreate(void);
/**
* Destroys the vector v. This is done by first calling the destroy callback
* function on each element in the vector then free'ing the vector itself.
*
* @param v The vector to destroy.
*/
void vectorDestroy(vector *v);
/**
* Adds object to the vector v.
*
* @param v The vector to add the object onto.
* @param object The object to add.
* @return A pointer to object.
*/
void *vectorAdd(vector *v, void *object);
/**
* Returns a pointer to the object at offset index for the vector v.
*
* @param v The vector to return the item from.
* @param index The index of the desired item.
* @return A pointer to the object/item, or NULL if no such item exists.
*/
void *vectorAt(vector *v, int index);
/**
* A convenience method that returns the most recently added item to the vector
* v. It is functionally equivalent to: vectorAt(v, vectorSize(v)).
*
* @param v The vector to return the last item of.
* @return The last item in the vector.
*/
void *vectorHead(vector *v);
/**
*
*/
void *vectorSetAt(vector *v, int index, void *object);
/**
* Removes the item at index from the vector v.
*
* @param v The vector to remove the item from.
* @param index The index of the item to remove.
*/
void vectorRemoveAt(vector *v, int index);
/**
* Iterates through each item in the vector v calling cb(vectorAt(v, index)).
*
* @param v The vector to map/iterate over.
* @param cb The function to call.
*/
void vectorMap(vector *v, mapCallback cb);
/**
* Invokes vectorMap(v, cb) followed by vectorDestroy(v). This allows for the
* elements in the vector to be free'ed/destroyed in order to prevent memory
* leaks.
*
* @param v The vector to map over and destroy.
* @param cb The function to call.
*/
void vectorMapAndDestroy(vector *v, mapCallback cb);
/**
* Returns the number of elements in the vector v.
*
* @param v The vector to get the number of elements of.
* @return The number of elements in the vector.
*/
int vectorSize(vector *v);
#endif /*VECTOR_H_*/