[svn-r2] Oops...

1 files changed, 85 insertions, 0 deletions

diff --git a/src/H5Bprivate.h b/src/H5Bprivate.h
new file mode 100644
index 0000000..d6ecc7c
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+++ b/src/H5Bprivate.h
@@ -0,0 +1,85 @@
+/*-------------------------------------------------------------------------
+ * Copyright (C) 1997	National Center for Supercomputing Applications.
+ *                      All rights reserved.
+ *
+ *-------------------------------------------------------------------------
+ *
+ * Created:		H5Bprivate.h
+ * 			Jul 10 1997
+ * 			Robb Matzke <matzke@llnl.gov>
+ *
+ * Purpose:		Private non-prototype header.
+ *
+ * Modifications:	
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef _H5Bprivate_H
+#define _H5Bprivate_H
+
+#include "H5Bproto.h"		/*API prototypes			*/
+
+
+
+#define H5B_MAGIC	"TREE"	/* tree node magic number		*/
+#define H5B_HDR_SIZE(F)	(8+2*SIZEOF_OFFSET(F))
+
+#define H5B_ANCHOR_LT	0	/* left node is anchored, right is new	*/
+#define H5B_ANCHOR_RT	1	/* right node is anchored, left is new	*/
+   
+
+/*
+ * Each class of object that can be pointed to by a B-link tree has a
+ * variable of this type that contains class variables and methods.
+ */
+typedef struct H5B_class_t {
+   intn		id;		/*id as found in file			*/
+   intn		k;		/* max children is 2k			*/
+   size_t	sizeof_nkey;	/*size of native (memory) key		*/
+   size_t	(*get_sizeof_rkey)(hdf5_file_t*);
+   off_t	(*new)(hdf5_file_t*,void*,void*,void*);
+   intn		(*cmp)(hdf5_file_t*,void*,void*,void*);
+   herr_t	(*found)(hdf5_file_t*,off_t,void*,void*,void*);
+   off_t	(*insert)(hdf5_file_t*,off_t,int*,void*,int*,void*,void*,
+			  void*,int*);
+   herr_t	(*list)(hdf5_file_t*,off_t,void*);
+   void		(*decode)(hdf5_file_t*,uint8*,void*);
+   void		(*encode)(hdf5_file_t*,uint8*,void*);
+} H5B_class_t;
+
+/*
+ * The B-tree node as stored in memory...
+ */
+typedef struct H5B_key_t {
+   intn		dirty;		/*native key is more recent than raw key*/
+   uint8	*rkey;		/*ptr into node->page for raw key	*/
+   void		*nkey;		/*null or ptr into node->native for key	*/
+} H5B_key_t;
+
+typedef struct H5B_t {
+   const H5B_class_t *type;	/*type of tree				*/
+   size_t	sizeof_rkey;	/*size of raw (disk) key		*/
+   intn		dirty;		/*something in the tree is dirty	*/
+   intn		ndirty;		/*num child ptrs to emit		*/
+   intn		level;		/*node level				*/
+   off_t	left;		/*address of left sibling		*/
+   off_t	right;		/*address of right sibling		*/
+   intn		nchildren;	/*number of child pointers		*/
+   uint8	*page;		/*disk page				*/
+   uint8	*native;	/*array of keys in native format	*/
+   H5B_key_t	*key;		/*2k+1 key entries			*/
+   off_t	*child;		/*2k child pointers			*/
+} H5B_t;
+
+
+/*
+ * Library prototypes.
+ */
+herr_t H5B_debug (hdf5_file_t *f, off_t addr, const H5B_class_t *type);
+off_t H5B_new (hdf5_file_t *f, const H5B_class_t *type, size_t sizeof_rkey);
+herr_t H5B_find (hdf5_file_t *f, const H5B_class_t *type, off_t addr, void *udata);
+off_t H5B_insert (hdf5_file_t *f, const H5B_class_t *type, off_t addr, void *udata);
+herr_t H5B_list (hdf5_file_t *f, const H5B_class_t *type, off_t addr, void *udata);
+
+
+#endif /* !_H5Bprivate_H */