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WINGs: tree enhancements

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- add WMFindInTreeWithDepthLimit, which is like WMFindInTree, but
  does not descend down more than a set limit.

- add WMTreeWalk, which will walk a WMTreeNode, running a callback
  function on each node.

Signed-off-by: Tamas TEVESZ <ice@extreme.hu>
This commit is contained in:
Tamas TEVESZ
2010-10-07 23:46:43 +02:00
committed by Carlos R. Mafra
parent 9a2732a4c3
commit 210bcec4de
2 changed files with 47 additions and 15 deletions
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8
WINGs/WINGs/WUtil.h
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@@ -117,6 +117,7 @@ typedef void WMInputProc(int fd, int mask, void *clientData);
typedef int WMCompareDataProc(const void *item1, const void *item2);
typedef void WMTreeWalkProc(WMTreeNode *aNode, void *data);
typedef void WMFreeDataProc(void *data);
@@ -642,9 +643,16 @@ void WMSortTree(WMTreeNode *aNode, WMCompareDataProc *comparer);
/* Returns the first node which matches node's data with cdata by 'match' */
WMTreeNode* WMFindInTree(WMTreeNode *aTree, WMMatchDataProc *match, void *cdata);
/* Returns the first node where node's data matches cdata by 'match' and node is
* at most `limit' depths down from `aTree'. */
WMTreeNode *WMFindInTreeWithDepthLimit(WMTreeNode * aTree, WMMatchDataProc * match, void *cdata, int limit);
/* Returns first tree node that has data == cdata */
#define WMGetFirstInTree(aTree, cdata) WMFindInTree(aTree, NULL, cdata)
/* Walk every node of aNode with `walk' */
void WMTreeWalk(WMTreeNode *aNode, WMTreeWalkProc * walk, void *data, Bool DepthFirst);
/* ---[ WINGs/data.c ]---------------------------------------------------- */