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list - lists interfaces

this module implement the list support used in various place in the library.

Author(s): Gary Pennington <Gary.Pennington@uk.sun.com>

Synopsis

typedef struct _xmlLink xmlLink;
typedef xmlLink * xmlLinkPtr;
typedef struct _xmlList xmlList;
typedef xmlList * xmlListPtr;
int	xmlListInsert			(xmlListPtr l, 
void * data); int xmlListEmpty (xmlListPtr l); void xmlListSort (xmlListPtr l); typedef void xmlListDeallocator (xmlLinkPtr lk); void xmlListMerge (xmlListPtr l1,
xmlListPtr l2); xmlListPtr xmlListCreate (xmlListDeallocator deallocator,
xmlListDataCompare compare); xmlListPtr xmlListDup (const xmlListPtr old); int xmlListRemoveLast (xmlListPtr l,
void * data); void xmlListWalk (xmlListPtr l,
xmlListWalker walker,
void * user); int xmlListRemoveAll (xmlListPtr l,
void * data); int xmlListCopy (xmlListPtr cur,
const xmlListPtr old); void xmlListPopFront (xmlListPtr l); void * xmlListSearch (xmlListPtr l,
void * data); typedef int xmlListWalker (const void * data,
void * user); int xmlListRemoveFirst (xmlListPtr l,
void * data); void xmlListReverseWalk (xmlListPtr l,
xmlListWalker walker,
void * user); void * xmlLinkGetData (xmlLinkPtr lk); void xmlListClear (xmlListPtr l); int xmlListAppend (xmlListPtr l,
void * data); void xmlListReverse (xmlListPtr l); typedef int xmlListDataCompare (const void * data0,
const void * data1); int xmlListSize (xmlListPtr l); int xmlListPushFront (xmlListPtr l,
void * data); xmlLinkPtr xmlListEnd (xmlListPtr l); void xmlListPopBack (xmlListPtr l); void * xmlListReverseSearch (xmlListPtr l,
void * data); int xmlListPushBack (xmlListPtr l,
void * data); xmlLinkPtr xmlListFront (xmlListPtr l); void xmlListDelete (xmlListPtr l);

Description

Details

Structure xmlLink

struct _xmlLink {
The content of this structure is not made public by the API.
} xmlLink;


Typedef xmlLinkPtr

xmlLink * xmlLinkPtr;


Structure xmlList

struct _xmlList {
The content of this structure is not made public by the API.
} xmlList;


Typedef xmlListPtr

xmlList * xmlListPtr;



Function type xmlListDeallocator

void	xmlListDeallocator		(xmlLinkPtr lk)

Callback function used to free data from a list.

lk:the data to deallocate


xmlLinkGetData ()

void *	xmlLinkGetData			(xmlLinkPtr lk)

See Returns.

lk:a link
Returns:a pointer to the data referenced from this link

xmlListAppend ()

int	xmlListAppend			(xmlListPtr l, 
void * data)

Insert data in the ordered list at the end for this value

l:a list
data:the data
Returns:0 in case of success, 1 in case of failure

xmlListClear ()

void	xmlListClear			(xmlListPtr l)

Remove the all data in the list

l:a list

xmlListCopy ()

int	xmlListCopy			(xmlListPtr cur, 
const xmlListPtr old)

Move all the element from the old list in the new list

cur:the new list
old:the old list
Returns:0 in case of success 1 in case of error

xmlListCreate ()

xmlListPtr	xmlListCreate		(xmlListDeallocator deallocator, 
xmlListDataCompare compare)

Create a new list

deallocator:an optional deallocator function
compare:an optional comparison function
Returns:the new list or NULL in case of error

xmlListDelete ()

void	xmlListDelete			(xmlListPtr l)

Deletes the list and its associated data

l:a list

xmlListDup ()

xmlListPtr	xmlListDup		(const xmlListPtr old)

Duplicate the list

old:the list
Returns:a new copy of the list or NULL in case of error

xmlListEmpty ()

int	xmlListEmpty			(xmlListPtr l)

Is the list empty ?

l:a list
Returns:1 if the list is empty, 0 if not empty and -1 in case of error

xmlListEnd ()

xmlLinkPtr	xmlListEnd		(xmlListPtr l)

Get the last element in the list

l:a list
Returns:the last element in the list, or NULL

xmlListFront ()

xmlLinkPtr	xmlListFront		(xmlListPtr l)

Get the first element in the list

l:a list
Returns:the first element in the list, or NULL

xmlListInsert ()

int	xmlListInsert			(xmlListPtr l, 
void * data)

Insert data in the ordered list at the beginning for this value

l:a list
data:the data
Returns:0 in case of success, 1 in case of failure

xmlListMerge ()

void	xmlListMerge			(xmlListPtr l1, 
xmlListPtr l2)

include all the elements of the second list in the first one and clear the second list

l1:the original list
l2:the new list

xmlListPopBack ()

void	xmlListPopBack			(xmlListPtr l)

Removes the last element in the list

l:a list

xmlListPopFront ()

void	xmlListPopFront			(xmlListPtr l)

Removes the first element in the list

l:a list

xmlListPushBack ()

int	xmlListPushBack			(xmlListPtr l, 
void * data)

add the new data at the end of the list

l:a list
data:new data
Returns:1 if successful, 0 otherwise

xmlListPushFront ()

int	xmlListPushFront		(xmlListPtr l, 
void * data)

add the new data at the beginning of the list

l:a list
data:new data
Returns:1 if successful, 0 otherwise

xmlListRemoveAll ()

int	xmlListRemoveAll		(xmlListPtr l, 
void * data)

Remove the all instance associated to data in the list

l:a list
data:list data
Returns:the number of deallocation, or 0 if not found

xmlListRemoveFirst ()

int	xmlListRemoveFirst		(xmlListPtr l, 
void * data)

Remove the first instance associated to data in the list

l:a list
data:list data
Returns:1 if a deallocation occurred, or 0 if not found

xmlListRemoveLast ()

int	xmlListRemoveLast		(xmlListPtr l, 
void * data)

Remove the last instance associated to data in the list

l:a list
data:list data
Returns:1 if a deallocation occurred, or 0 if not found

xmlListReverse ()

void	xmlListReverse			(xmlListPtr l)

Reverse the order of the elements in the list

l:a list

xmlListReverseSearch ()

void *	xmlListReverseSearch		(xmlListPtr l, 
void * data)

Search the list in reverse order for an existing value of @data

l:a list
data:a search value
Returns:the value associated to @data or NULL in case of error

xmlListReverseWalk ()

void	xmlListReverseWalk		(xmlListPtr l, 
xmlListWalker walker,
void * user)

Walk all the element of the list in reverse order and apply the walker function to it

l:a list
walker:a processing function
user:a user parameter passed to the walker function

xmlListSearch ()

void *	xmlListSearch			(xmlListPtr l, 
void * data)

Search the list for an existing value of @data

l:a list
data:a search value
Returns:the value associated to @data or NULL in case of error

xmlListSize ()

int	xmlListSize			(xmlListPtr l)

Get the number of elements in the list

l:a list
Returns:the number of elements in the list or -1 in case of error

xmlListSort ()

void	xmlListSort			(xmlListPtr l)

Sort all the elements in the list

l:a list

xmlListWalk ()

void	xmlListWalk			(xmlListPtr l, 
xmlListWalker walker,
void * user)

Walk all the element of the first from first to last and apply the walker function to it

l:a list
walker:a processing function
user:a user parameter passed to the walker function

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