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-rw-r--r--src/H5G.c249
1 files changed, 166 insertions, 83 deletions
diff --git a/src/H5G.c b/src/H5G.c
index 048e344..bee3373 100644
--- a/src/H5G.c
+++ b/src/H5G.c
@@ -404,7 +404,7 @@ done:
} /* end if */
FUNC_LEAVE_API(ret_value)
-} /* H5Gopen() */
+} /* end H5Gopen() */
/*-------------------------------------------------------------------------
@@ -489,88 +489,7 @@ done:
} /* end if */
FUNC_LEAVE_API(ret_value)
-}
-
-
-/*-------------------------------------------------------------------------
- * Function: H5Gclose
- *
- * Purpose: Closes the specified group. The group ID will no longer be
- * valid for accessing the group.
- *
- * Return: Non-negative on success/Negative on failure
- *
- * Programmer: Robb Matzke
- * Wednesday, December 31, 1997
- *
- *-------------------------------------------------------------------------
- */
-herr_t
-H5Gclose(hid_t group_id)
-{
- herr_t ret_value=SUCCEED; /* Return value */
-
- FUNC_ENTER_API(H5Gclose, FAIL);
- H5TRACE1("e","i",group_id);
-
- /* Check args */
- if (NULL == H5I_object_verify(group_id,H5I_GROUP))
- HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a group");
-
- /*
- * Decrement the counter on the group atom. It will be freed if the count
- * reaches zero.
- */
- if (H5I_dec_ref(group_id) < 0)
- HGOTO_ERROR(H5E_SYM, H5E_CANTRELEASE, FAIL, "unable to close group");
-
-done:
- FUNC_LEAVE_API(ret_value);
-}
-
-
-/*-------------------------------------------------------------------------
- * Function: H5Gget_num_objs
- *
- * Purpose: Returns the number of objects in the group. It iterates
- * all B-tree leaves and sum up total number of group members.
- *
- * Return: Success: Non-negative
- *
- * Failure: Negative
- *
- * Programmer: Raymond Lu
- * Nov 20, 2002
- *
- *-------------------------------------------------------------------------
- */
-herr_t
-H5Gget_num_objs(hid_t loc_id, hsize_t *num_objs)
-{
- H5G_loc_t loc; /* Location of object */
- H5O_type_t obj_type; /* Type of object at location */
- herr_t ret_value;
-
- FUNC_ENTER_API(H5Gget_num_objs, FAIL)
- H5TRACE2("e","i*h",loc_id,num_objs);
-
- /* Check args */
- if(H5G_loc(loc_id, &loc) < 0)
- HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location ID")
- if(H5O_obj_type(loc.oloc, &obj_type, H5AC_ind_dxpl_id) < 0)
- HGOTO_ERROR(H5E_SYM, H5E_CANTGET, FAIL, "can't get object type")
- if(obj_type != H5O_TYPE_GROUP)
- HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a group")
- if(!num_objs)
- HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "nil pointer")
-
- /* Call private function. */
- if((ret_value = H5G_obj_count(loc.oloc, num_objs, H5AC_ind_dxpl_id)) < 0)
- HGOTO_ERROR(H5E_SYM, H5E_CANTCOUNT, FAIL, "can't determine ")
-
-done:
- FUNC_LEAVE_API(ret_value)
-} /* end H5Gget_num_objs() */
+} /* end H5Gopen_expand() */
/*-------------------------------------------------------------------------
@@ -657,6 +576,170 @@ done:
FUNC_LEAVE_API(ret_value)
} /* end H5Gget_create_plist() */
+
+/*-------------------------------------------------------------------------
+ * Function: H5Gget_info
+ *
+ * Purpose: Retrieve information about a group.
+ *
+ * Return: Success: Non-negative
+ * Failure: Negative
+ *
+ * Programmer: Quincey Koziol
+ * November 27 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5Gget_info(hid_t loc_id, const char *name, H5G_info_t *grp_info, hid_t lapl_id)
+{
+ H5G_loc_t loc; /* Location of group */
+ H5G_loc_t grp_loc; /* Location used to open group */
+ H5G_name_t grp_path; /* Opened object group hier. path */
+ H5O_loc_t grp_oloc; /* Opened object object location */
+ hbool_t loc_found = FALSE; /* Location at 'name' found */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_API(H5Gget_info, FAIL)
+
+ /* Check args */
+ if(H5G_loc(loc_id, &loc) < 0)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location")
+ if(!name || !*name)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name")
+ if(!grp_info)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no info struct")
+ if(H5P_DEFAULT == lapl_id)
+ lapl_id = H5P_LINK_ACCESS_DEFAULT;
+ else
+ if(TRUE != H5P_isa_class(lapl_id, H5P_LINK_ACCESS))
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not link access property list ID")
+
+ /* Set up opened group location to fill in */
+ grp_loc.oloc = &grp_oloc;
+ grp_loc.path = &grp_path;
+ H5G_loc_reset(&grp_loc);
+
+ /* Find the group object */
+ if(H5G_loc_find(&loc, name, &grp_loc/*out*/, lapl_id, H5AC_ind_dxpl_id) < 0)
+ HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "group not found")
+ loc_found = TRUE;
+
+ /* Retrieve the group's information */
+ if(H5G_obj_info(grp_loc.oloc, grp_info/*out*/, H5AC_ind_dxpl_id) < 0)
+ HGOTO_ERROR(H5E_SYM, H5E_CANTGET, FAIL, "can't retrieve group info")
+
+done:
+ if(loc_found && H5G_loc_free(&grp_loc) < 0)
+ HDONE_ERROR(H5E_SYM, H5E_CANTRELEASE, FAIL, "can't free location")
+
+ FUNC_LEAVE_API(ret_value)
+} /* end H5Gget_info() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5Gget_info_by_idx
+ *
+ * Purpose: Retrieve information about a group, according to the order
+ * of an index.
+ *
+ * Return: Success: Non-negative
+ * Failure: Negative
+ *
+ * Programmer: Quincey Koziol
+ * November 27 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5Gget_info_by_idx(hid_t loc_id, const char *group_name, H5L_index_t idx_type,
+ H5_iter_order_t order, hsize_t n, H5G_info_t *grp_info, hid_t lapl_id)
+{
+ H5G_loc_t loc; /* Location of group */
+ H5G_loc_t grp_loc; /* Location used to open group */
+ H5G_name_t grp_path; /* Opened object group hier. path */
+ H5O_loc_t grp_oloc; /* Opened object object location */
+ hbool_t loc_found = FALSE; /* Entry at 'name' found */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_API(H5Gget_info_by_idx, FAIL)
+
+ /* Check args */
+ if(H5G_loc(loc_id, &loc) < 0)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location")
+ if(!group_name || !*group_name)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name specified")
+ if(idx_type <= H5L_INDEX_UNKNOWN || idx_type >= H5L_INDEX_N)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid index type specified")
+ if(order <= H5_ITER_UNKNOWN || order >= H5_ITER_N)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid iteration order specified")
+ if(!grp_info)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no info struct")
+ if(H5P_DEFAULT == lapl_id)
+ lapl_id = H5P_LINK_ACCESS_DEFAULT;
+ else
+ if(TRUE != H5P_isa_class(lapl_id, H5P_LINK_ACCESS))
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not link access property list ID")
+
+ /* Set up opened group location to fill in */
+ grp_loc.oloc = &grp_oloc;
+ grp_loc.path = &grp_path;
+ H5G_loc_reset(&grp_loc);
+
+ /* Find the object's location, according to the order in the index */
+ if(H5G_loc_find_by_idx(&loc, group_name, idx_type, order, n, &grp_loc/*out*/, lapl_id, H5AC_ind_dxpl_id) < 0)
+ HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "group not found")
+ loc_found = TRUE;
+
+ /* Retrieve the group's information */
+ if(H5G_obj_info(grp_loc.oloc, grp_info/*out*/, H5AC_ind_dxpl_id) < 0)
+ HGOTO_ERROR(H5E_SYM, H5E_CANTGET, FAIL, "can't retrieve group info")
+
+done:
+ /* Release the object location */
+ if(loc_found && H5G_loc_free(&grp_loc) < 0)
+ HDONE_ERROR(H5E_SYM, H5E_CANTRELEASE, FAIL, "can't free location")
+
+ FUNC_LEAVE_API(ret_value)
+} /* end H5Gget_info_by_idx() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5Gclose
+ *
+ * Purpose: Closes the specified group. The group ID will no longer be
+ * valid for accessing the group.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Robb Matzke
+ * Wednesday, December 31, 1997
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5Gclose(hid_t group_id)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_API(H5Gclose, FAIL);
+ H5TRACE1("e","i",group_id);
+
+ /* Check args */
+ if(NULL == H5I_object_verify(group_id,H5I_GROUP))
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a group")
+
+ /*
+ * Decrement the counter on the group atom. It will be freed if the count
+ * reaches zero.
+ */
+ if(H5I_dec_ref(group_id) < 0)
+ HGOTO_ERROR(H5E_SYM, H5E_CANTRELEASE, FAIL, "unable to close group")
+
+done:
+ FUNC_LEAVE_API(ret_value)
+} /* end H5Gclose() */
+
/*
*-------------------------------------------------------------------------
*-------------------------------------------------------------------------
generated by cgit v0.12 at 2024-12-11 21:56:20 (GMT)