/*****************************************************************************/
/* */
-/* coll.h */
+/* coll.h */
/* */
-/* Collection (dynamic array) */
+/* Collection (dynamic array) */
/* */
/* */
/* */
-/* (C) 2000-2010, Ullrich von Bassewitz */
+/* (C) 2000-2011, Ullrich von Bassewitz */
/* Roemerstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
/*****************************************************************************/
-/* Data */
+/* Data */
/*****************************************************************************/
/* An array of pointers that grows if needed */
typedef struct Collection Collection;
struct Collection {
- unsigned Count; /* Number of items in the list */
- unsigned Size; /* Size of allocated array */
- void** Items; /* Array with dynamic size */
+ unsigned Count; /* Number of items in the list */
+ unsigned Size; /* Size of allocated array */
+ void** Items; /* Array with dynamic size */
};
/* An empty collection */
extern const Collection EmptyCollection;
/* Initializer for static collections */
-#define STATIC_COLLECTION_INITIALIZER { 0, 0, 0 }
+#define STATIC_COLLECTION_INITIALIZER { 0, 0, 0 }
/* Initializer for auto collections */
#define AUTO_COLLECTION_INITIALIZER EmptyCollection
/*****************************************************************************/
-/* Code */
+/* Code */
/*****************************************************************************/
void DoneCollection (Collection* C);
/* Free the data for a collection. This will not free the data contained in
- * the collection.
- */
+** the collection.
+*/
Collection* NewCollection (void);
/* Create and return a new collection */
void CollGrow (Collection* C, unsigned Size);
/* Grow the collection C so it is able to hold Size items without a resize
- * being necessary. This can be called for performance reasons if the number
- * of items to be placed in the collection is known in advance.
- */
+** being necessary. This can be called for performance reasons if the number
+** of items to be placed in the collection is known in advance.
+*/
#if defined(HAVE_INLINE)
INLINE unsigned CollCount (const Collection* C)
return C->Count;
}
#else
-# define CollCount(C) (C)->Count
+# define CollCount(C) (C)->Count
#endif
void CollInsert (Collection* C, void* Item, unsigned Index);
return C->Items[Index];
}
#else
-# define CollAtUnchecked(C, Index) ((C)->Items[(Index)])
+# define CollAtUnchecked(C, Index) ((C)->Items[(Index)])
#endif
#if defined(HAVE_INLINE)
#if defined(HAVE_INLINE)
INLINE void* CollPop (Collection* C)
/* Remove the last segment from the stack and return it. Calls FAIL if the
- * collection is empty.
- */
+** collection is empty.
+*/
{
/* We must have at least one entry */
PRECONDITION (C->Count > 0);
#else
void* CollPop (Collection* C);
/* Remove the last segment from the stack and return it. Calls FAIL if the
- * collection is empty.
- */
+** collection is empty.
+*/
#endif
int CollIndex (Collection* C, const void* Item);
/* Return the index of the given item in the collection. Return -1 if the
- * item was not found in the collection.
- */
+** item was not found in the collection.
+*/
void CollDelete (Collection* C, unsigned Index);
/* Remove the item with the given index from the collection. This will not
- * free the item itself, just the pointer. All items with higher indices
- * will get moved to a lower position.
- */
+** free the item itself, just the pointer. All items with higher indices
+** will get moved to a lower position.
+*/
void CollDeleteItem (Collection* C, const void* Item);
/* Delete the item pointer from the collection. The item must be in the
- * collection, otherwise FAIL will be called.
- */
+** collection, otherwise FAIL will be called.
+*/
#if defined(HAVE_INLINE)
INLINE void CollDeleteAll (Collection* C)
/* Delete all items from the given collection. This will not free the items
- * itself, it will only remove the pointers.
- */
+** itself, it will only remove the pointers.
+*/
{
/* This one is easy... */
C->Count = 0;
}
#else
-# define CollDeleteAll(C) ((C)->Count = 0)
+# define CollDeleteAll(C) ((C)->Count = 0)
#endif
#if defined(HAVE_INLINE)
INLINE void CollReplace (Collection* C, void* Item, unsigned Index)
/* Replace the item at the given position. The old item will not be freed,
- * just the pointer will get replaced.
- */
+** just the pointer will get replaced.
+*/
{
/* Check the index */
PRECONDITION (Index < C->Count);
#else
void CollReplace (Collection* C, void* Item, unsigned Index);
/* Replace the item at the given position. The old item will not be freed,
- * just the pointer will get replaced.
- */
+** just the pointer will get replaced.
+*/
#endif
+void CollReplaceExpand (Collection* C, void* Item, unsigned Index);
+/* If Index is a valid index for the collection, replace the item at this
+** position by the one passed. If the collection is too small, expand it,
+** filling unused pointers with NULL, then add the new item at the given
+** position.
+*/
+
void CollMove (Collection* C, unsigned OldIndex, unsigned NewIndex);
/* Move an item from one position in the collection to another. OldIndex
- * is the current position of the item, NewIndex is the new index after
- * the function has done it's work. Existing entries with indices NewIndex
- * and up are moved one position upwards.
- */
+** is the current position of the item, NewIndex is the new index before
+** the function has done it's work. Existing entries with indices NewIndex
+** and up might be moved one position upwards.
+*/
void CollMoveMultiple (Collection* C, unsigned Start, unsigned Count, unsigned Target);
/* Move a range of items from one position to another. Start is the index
- * of the first item to move, Count is the number of items and Target is
- * the index of the target item. The item with the index Start will later
- * have the index Target. All items with indices Target and above are moved
- * to higher indices.
- */
+** of the first item to move, Count is the number of items and Target is
+** the index of the target item. The item with the index Start will later
+** have the index Target. All items with indices Target and above are moved
+** to higher indices.
+*/
void CollTransfer (Collection* Dest, const Collection* Source);
/* Transfer all items from Source to Dest. Anything already in Dest is left
- * untouched. The items in Source are not changed and are therefore in both
- * Collections on return.
- */
+** untouched. The items in Source are not changed and are therefore in both
+** Collections on return.
+*/
void CollSort (Collection* C,
- int (*Compare) (void*, const void*, const void*),
- void* Data);
+ int (*Compare) (void*, const void*, const void*),
+ void* Data);
/* Sort the collection using the given compare function. The data pointer is
- * passed as *first* element to the compare function, it's not used by the
- * sort function itself. The other two pointer passed to the Compare function
- * are pointers to objects.
- */
+** passed as *first* element to the compare function, it's not used by the
+** sort function itself. The other two pointer passed to the Compare function
+** are pointers to objects.
+*/
/* End of coll.h */
#endif
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-
-
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