109 lines
3.0 KiB
C
109 lines
3.0 KiB
C
/*
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This file is part of Warzone 2100.
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Copyright (C) 2008 Freddie Witherden
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Copyright (C) 2008 Warzone Resurrection Project
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Warzone 2100 is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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Warzone 2100 is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Warzone 2100; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef VECTOR_H_
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#define VECTOR_H_
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typedef struct _vector vector;
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typedef void (*mapCallback) (void *object);
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/**
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* Creates a new vector.
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*
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* @return A pointer to the newly created vector on success; otherwise NULL.
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*/
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vector *vectorCreate(void);
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/**
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* Destroys the vector v. This is done by first calling the destroy callback
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* function on each element in the vector then free'ing the vector itself.
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*
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* @param v The vector to destroy.
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*/
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void vectorDestroy(vector *v);
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/**
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* Adds object to the vector v.
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*
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* @param v The vector to add the object onto.
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* @param object The object to add.
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* @return A pointer to object.
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*/
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void *vectorAdd(vector *v, void *object);
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/**
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* Returns a pointer to the object at offset index for the vector v.
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*
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* @param v The vector to return the item from.
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* @param index The index of the desired item.
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* @return A pointer to the object/item, or NULL if no such item exists.
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*/
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void *vectorAt(vector *v, int index);
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/**
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* A convenience method that returns the most recently added item to the vector
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* v. It is functionally equivalent to: vectorAt(v, vectorSize(v)).
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*
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* @param v The vector to return the last item of.
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* @return The last item in the vector.
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*/
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void *vectorHead(vector *v);
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/**
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*
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*/
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void *vectorSetAt(vector *v, int index, void *object);
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/**
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* Removes the item at index from the vector v.
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*
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* @param v The vector to remove the item from.
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* @param index The index of the item to remove.
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*/
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void vectorRemoveAt(vector *v, int index);
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/**
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* Iterates through each item in the vector v calling cb(vectorAt(v, index)).
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*
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* @param v The vector to map/iterate over.
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* @param cb The function to call.
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*/
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void vectorMap(vector *v, mapCallback cb);
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/**
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* Invokes vectorMap(v, cb) followed by vectorDestroy(v). This allows for the
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* elements in the vector to be free'ed/destroyed in order to prevent memory
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* leaks.
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*
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* @param v The vector to map over and destroy.
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* @param cb The function to call.
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*/
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void vectorMapAndDestroy(vector *v, mapCallback cb);
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/**
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* Returns the number of elements in the vector v.
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*
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* @param v The vector to get the number of elements of.
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* @return The number of elements in the vector.
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*/
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int vectorSize(vector *v);
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#endif /*VECTOR_H_*/
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