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authorQuincey Koziol <koziol@hdfgroup.org>2001-09-12 18:26:59 (GMT)
committerQuincey Koziol <koziol@hdfgroup.org>2001-09-12 18:26:59 (GMT)
commit1e4406f578c0091c4620368171cf02a4c73f2e88 (patch)
treebdfaf37922b9102ba700ae37b8dec579b16c0e25 /src/H5P.c
parent15c3995e05880c269e0f76eeaa067187fb463867 (diff)
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[svn-r4437] Purpose:
Adding Feature Description: Added new H5Pcopy_prop function to copy a property (value) from one property list or class to another. Platforms tested: FreeBSD 4.4 (hawkwind)
Diffstat (limited to 'src/H5P.c')
-rw-r--r--src/H5P.c282
1 files changed, 265 insertions, 17 deletions
diff --git a/src/H5P.c b/src/H5P.c
index 52cadfc..0e8da7b 100644
--- a/src/H5P.c
+++ b/src/H5P.c
@@ -64,7 +64,8 @@ static H5P_genclass_t *H5P_create_class(H5P_genclass_t *par_class,
H5P_cls_close_func_t cls_close, void *close_data);
static herr_t H5P_close_list(void *_plist);
static herr_t H5P_close_class(void *_pclass);
-static H5P_genprop_t *H5P_copy_prop(H5P_genprop_t *oprop);
+static herr_t H5P_unregister(H5P_genclass_t *pclass, const char *name);
+static H5P_genprop_t *H5P_dup_prop(H5P_genprop_t *oprop);
static herr_t H5P_access_class(H5P_genclass_t *pclass, H5P_class_mod_t mod);
static herr_t H5P_add_prop(H5P_genprop_t *hash[], unsigned hashsize, H5P_genprop_t *prop);
static herr_t H5P_free_prop(H5P_genprop_t *prop);
@@ -616,7 +617,7 @@ static hid_t H5P_copy_pclass(H5P_genclass_t *pclass)
/* Walk through the list of properties at each hash location */
while(tmp!=NULL) {
/* Make a copy of the class's property */
- if((pcopy=H5P_copy_prop(tmp))==NULL)
+ if((pcopy=H5P_dup_prop(tmp))==NULL)
HGOTO_ERROR (H5E_PLIST, H5E_CANTCOPY, FAIL,"Can't copy property");
/* Insert the initialized property into the property list */
@@ -702,15 +703,15 @@ static hid_t H5P_copy_plist(H5P_genplist_t *plist)
/* Walk through the list of properties at each hash location */
while(tprop!=NULL) {
- /* Make a copy of the class's property */
- if((new_prop=H5P_copy_prop(tprop))==NULL)
+ /* Make a copy of the list's property */
+ if((new_prop=H5P_dup_prop(tprop))==NULL)
HGOTO_ERROR (H5E_PLIST, H5E_CANTCOPY, FAIL,"Can't copy property");
/* Call property copy callback, if it exists */
if(new_prop->copy) {
if((new_prop->copy)(new_prop->name,new_prop->size,new_prop->value)<0) {
H5P_free_prop(new_prop);
- HGOTO_ERROR (H5E_PLIST, H5E_CANTINIT, FAIL,"Can't copy property");
+ HGOTO_ERROR (H5E_PLIST, H5E_CANTCOPY, FAIL,"Can't copy property");
} /* end if */
} /* end if */
@@ -3462,14 +3463,14 @@ H5Pget_hyper_vector_size(hid_t plist_id, size_t *vector_size/*out*/)
/*--------------------------------------------------------------------------
NAME
- H5P_copy_prop
+ H5P_dup_prop
PURPOSE
- Internal routine to copy a property
+ Internal routine to duplicate a property
USAGE
- H5P_genprop_t *H5P_copy_prop(oprop)
+ H5P_genprop_t *H5P_dup_prop(oprop)
H5P_genprop_t *oprop; IN: Pointer to property to copy
RETURNS
- Returns a pointer to the newly created property on success,
+ Returns a pointer to the newly created duplicate of a property on success,
NULL on failure.
DESCRIPTION
Allocates memory and copies property information into a new property object.
@@ -3479,12 +3480,12 @@ H5Pget_hyper_vector_size(hid_t plist_id, size_t *vector_size/*out*/)
REVISION LOG
--------------------------------------------------------------------------*/
static H5P_genprop_t *
-H5P_copy_prop(H5P_genprop_t *oprop)
+H5P_dup_prop(H5P_genprop_t *oprop)
{
H5P_genprop_t *prop=NULL; /* Pointer to new property copied */
H5P_genprop_t *ret_value=NULL; /* Return value */
- FUNC_ENTER (H5P_copy_prop, NULL);
+ FUNC_ENTER (H5P_dup_prop, NULL);
assert(oprop);
@@ -3535,7 +3536,7 @@ done:
} /* end if */
FUNC_LEAVE (ret_value);
-} /* H5P_copy_prop() */
+} /* H5P_dup_prop() */
/*--------------------------------------------------------------------------
@@ -4168,7 +4169,7 @@ static H5P_genplist_t *H5P_create_list(H5P_genclass_t *pclass)
/* Check for property already existing in list */
if(H5P_find_prop(plist->props,tclass->hashsize,tmp->name)==NULL) {
/* Make a copy of the class's property */
- if((pcopy=H5P_copy_prop(tmp))==NULL)
+ if((pcopy=H5P_dup_prop(tmp))==NULL)
HGOTO_ERROR (H5E_PLIST, H5E_CANTCOPY, NULL,"Can't copy property");
/* Create initial value from default value for non-zero sized properties */
@@ -4457,7 +4458,7 @@ herr_t H5P_register(H5P_genclass_t *pclass, const char *name, size_t size,
*/
if(pclass->plists>0 || pclass->classes>0) {
if((new_class=H5P_create_class(pclass->parent,pclass->name,pclass->hashsize,
- (unsigned)pclass->internal,pclass->create_func,pclass->create_data,
+ pclass->internal,pclass->create_func,pclass->create_data,
pclass->copy_func,pclass->copy_data,
pclass->close_func,pclass->close_data))==NULL)
HGOTO_ERROR(H5E_PLIST, H5E_CANTCOPY, FAIL, "can't copy class");
@@ -4467,7 +4468,7 @@ herr_t H5P_register(H5P_genclass_t *pclass, const char *name, size_t size,
tmp_prop=pclass->props[u];
while(tmp_prop!=NULL) {
/* Make a copy of the class's property */
- if((pcopy=H5P_copy_prop(tmp_prop))==NULL)
+ if((pcopy=H5P_dup_prop(tmp_prop))==NULL)
HGOTO_ERROR (H5E_PLIST, H5E_CANTCOPY, FAIL,"Can't copy property");
/* Insert the property into the new property class */
@@ -5910,7 +5911,7 @@ htri_t H5Pequal(hid_t id1, hid_t id2)
/* Check arguments. */
if ((H5I_GENPROP_LST != H5I_get_type(id1) && H5I_GENPROP_CLS != H5I_get_type(id1))
- || (H5I_GENPROP_CLS != H5I_get_type(id2) && H5I_GENPROP_CLS != H5I_get_type(id2)))
+ || (H5I_GENPROP_LST != H5I_get_type(id2) && H5I_GENPROP_CLS != H5I_get_type(id2)))
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not property objects");
if (H5I_get_type(id1) != H5I_get_type(id2))
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not the same kind of property objects");
@@ -6819,7 +6820,7 @@ herr_t H5Premove(hid_t plist_id, const char *name)
/* Create the new property list class */
if ((ret_value=H5P_remove(plist_id,plist,name))<0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTREGISTER, FAIL, "unable to remove property");
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTDELETE, FAIL, "unable to remove property");
done:
FUNC_LEAVE (ret_value);
@@ -6828,6 +6829,253 @@ done:
/*--------------------------------------------------------------------------
NAME
+ H5P_copy_prop_plist
+ PURPOSE
+ Internal routine to copy a property from one list to another
+ USAGE
+ herr_t H5P_copy_prop_plist(dst_plist, src_plist, name)
+ hid_t dst_id; IN: ID of destination property list or class
+ hid_t src_id; IN: ID of source property list or class
+ const char *name; IN: Name of property to copy
+ RETURNS
+ Success: non-negative value.
+ Failure: negative value.
+ DESCRIPTION
+ Copies a property from one property list to another.
+
+ If a property is copied from one list to another, the property will be
+ first deleted from the destination list (generating a call to the 'close'
+ callback for the property, if one exists) and then the property is copied
+ from the source list to the destination list (generating a call to the
+ 'copy' callback for the property, if one exists).
+
+ If the property does not exist in the destination list, this call is
+ equivalent to calling H5Pinsert and the 'create' callback will be called
+ (if such a callback exists for the property).
+
+ GLOBAL VARIABLES
+ COMMENTS, BUGS, ASSUMPTIONS
+ EXAMPLES
+ REVISION LOG
+--------------------------------------------------------------------------*/
+static herr_t
+H5P_copy_prop_plist(hid_t dst_id, hid_t src_id, const char *name)
+{
+ H5P_genplist_t *dst_plist; /* Pointer to destination property list */
+ H5P_genplist_t *src_plist; /* Pointer to source property list */
+ H5P_genprop_t *prop; /* Temporary property pointer */
+ H5P_genprop_t *new_prop=NULL; /* Pointer to new property */
+ herr_t ret_value=SUCCEED; /* return value */
+
+ FUNC_ENTER (H5P_copy_prop_plist, FAIL);
+
+ assert(name);
+
+ /* Get the objects to operate on */
+ if(NULL == (src_plist = H5I_object(src_id)) || NULL == (dst_plist = H5I_object(dst_id)))
+ HGOTO_ERROR(H5E_PLIST, H5E_NOTFOUND, FAIL, "property object doesn't exist");
+
+ /* Check if the property exists in the destination */
+ prop=H5P_find_prop(dst_plist->props,dst_plist->pclass->hashsize,name);
+
+ /* If the property exists in the destination alread */
+ if(prop!=NULL) {
+ /* Delete the property from the destination list, calling the 'close' callback if necessary */
+ if(H5P_remove(dst_id,dst_plist,name)<0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTDELETE, FAIL, "unable to remove property");
+
+ /* Get the pointer to the source property */
+ prop=H5P_find_prop(src_plist->props,src_plist->pclass->hashsize,name);
+
+ /* Make a copy of the source property */
+ if((new_prop=H5P_dup_prop(prop))==NULL)
+ HGOTO_ERROR (H5E_PLIST, H5E_CANTCOPY, FAIL,"Can't copy property");
+
+ /* Call property copy callback, if it exists */
+ if(new_prop->copy) {
+ if((new_prop->copy)(new_prop->name,new_prop->size,new_prop->value)<0)
+ HGOTO_ERROR (H5E_PLIST, H5E_CANTCOPY, FAIL,"Can't copy property");
+ } /* end if */
+
+ /* Insert the initialized property into the property list */
+ if(H5P_add_prop(dst_plist->props,dst_plist->pclass->hashsize,new_prop)<0)
+ HGOTO_ERROR (H5E_PLIST, H5E_CANTINSERT, FAIL,"Can't insert property into list");
+
+ /* Increment the number of properties in list */
+ dst_plist->nprops++;
+ } /* end if */
+ /* If not, get the information required to do an H5Pinsert with the property into the destination list */
+ else {
+ /* Get the pointer to the source property */
+ prop=H5P_find_prop(src_plist->props,src_plist->pclass->hashsize,name);
+
+ /* Create property object from parameters */
+ if((new_prop=H5P_create_prop(prop->name,prop->size,prop->def_value,prop->value,prop->create,prop->set,prop->get,prop->del,prop->copy,prop->copy))==NULL)
+ HGOTO_ERROR (H5E_PLIST, H5E_CANTCREATE, FAIL,"Can't create property");
+
+ /* Call property creation callback, if it exists */
+ if(new_prop->create) {
+ if((new_prop->create)(new_prop->name,new_prop->size,new_prop->value)<0)
+ HGOTO_ERROR (H5E_PLIST, H5E_CANTINIT, NULL,"Can't initialize property");
+ } /* end if */
+
+ /* Insert property into property list class */
+ if(H5P_add_prop(dst_plist->props,dst_plist->pclass->hashsize,new_prop)<0)
+ HGOTO_ERROR (H5E_PLIST, H5E_CANTINSERT, FAIL,"Can't insert property into class");
+
+ /* Increment property count for class */
+ dst_plist->nprops++;
+
+ } /* end else */
+
+done:
+ /* Cleanup, if necessary */
+ if(ret_value<0) {
+ if(new_prop!=NULL)
+ H5P_free_prop(new_prop);
+ } /* end if */
+
+ FUNC_LEAVE (ret_value);
+} /* H5P_copy_prop_plist() */
+
+
+/*--------------------------------------------------------------------------
+ NAME
+ H5P_copy_prop_pclass
+ PURPOSE
+ Internal routine to copy a property from one class to another
+ USAGE
+ herr_t H5P_copy_prop_pclass(dst_pclass, src_pclass, name)
+ H5P_genclass_t *dst_pclass; IN: Pointer to destination class
+ H5P_genclass_t *src_pclass; IN: Pointer to source class
+ const char *name; IN: Name of property to copy
+ RETURNS
+ Success: non-negative value.
+ Failure: negative value.
+ DESCRIPTION
+ Copies a property from one property class to another.
+
+ If a property is copied from one class to another, all the property
+ information will be first deleted from the destination class and then the
+ property information will be copied from the source class into the
+ destination class.
+
+ If the property does not exist in the destination class or list, this call
+ is equivalent to calling H5Pregister.
+
+ GLOBAL VARIABLES
+ COMMENTS, BUGS, ASSUMPTIONS
+ EXAMPLES
+ REVISION LOG
+--------------------------------------------------------------------------*/
+static herr_t
+H5P_copy_prop_pclass(H5P_genclass_t *dst_pclass, H5P_genclass_t *src_pclass, const char *name)
+{
+ H5P_genprop_t *prop; /* Temporary property pointer */
+ herr_t ret_value=SUCCEED; /* return value */
+
+ FUNC_ENTER (H5P_copy_prop_pclass, FAIL);
+
+ assert(dst_pclass);
+ assert(src_pclass);
+ assert(name);
+
+ /* Check if the property exists in the destination */
+ prop=H5P_find_prop(dst_pclass->props,dst_pclass->hashsize,name);
+
+ /* If the property exists in the destination already */
+ if(prop!=NULL) {
+ /* Delete the old property from the destination class */
+ if(H5P_unregister(dst_pclass,name)<0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTDELETE, FAIL, "unable to remove property");
+ } /* end if */
+
+ /* Register the property into the destination */
+ if(H5P_register(dst_pclass,name,prop->size,prop->def_value,prop->create,prop->set,prop->get,prop->del,prop->copy,prop->close)<0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTDELETE, FAIL, "unable to remove property");
+
+done:
+ /* Cleanup, if necessary */
+
+ FUNC_LEAVE (ret_value);
+} /* H5P_copy_prop_pclass() */
+
+
+/*--------------------------------------------------------------------------
+ NAME
+ H5Pcopy_prop
+ PURPOSE
+ Routine to copy a property from one list or class to another
+ USAGE
+ herr_t H5Pcopy_prop(dst_id, src_id, name)
+ hid_t dst_id; IN: ID of destination property list or class
+ hid_t src_id; IN: ID of source property list or class
+ const char *name; IN: Name of property to copy
+ RETURNS
+ Success: non-negative value.
+ Failure: negative value.
+ DESCRIPTION
+ Copies a property from one property list or class to another.
+
+ If a property is copied from one class to another, all the property
+ information will be first deleted from the destination class and then the
+ property information will be copied from the source class into the
+ destination class.
+
+ If a property is copied from one list to another, the property will be
+ first deleted from the destination list (generating a call to the 'close'
+ callback for the property, if one exists) and then the property is copied
+ from the source list to the destination list (generating a call to the
+ 'copy' callback for the property, if one exists).
+
+ If the property does not exist in the destination class or list, this call
+ is equivalent to calling H5Pregister or H5Pinsert (for a class or list, as
+ appropriate) and the 'create' callback will be called in the case of the
+ property being copied into a list (if such a callback exists for the
+ property).
+
+ GLOBAL VARIABLES
+ COMMENTS, BUGS, ASSUMPTIONS
+ EXAMPLES
+ REVISION LOG
+--------------------------------------------------------------------------*/
+herr_t
+H5Pcopy_prop(hid_t dst_id, hid_t src_id, const char *name)
+{
+ void *src_obj, *dst_obj; /* Property objects to copy between */
+ herr_t ret_value=SUCCEED; /* return value */
+
+ FUNC_ENTER (H5Pcopy_prop, FAIL);
+
+ /* Check arguments. */
+ if ((H5I_GENPROP_LST != H5I_get_type(src_id) && H5I_GENPROP_CLS != H5I_get_type(src_id))
+ || (H5I_GENPROP_LST != H5I_get_type(dst_id) && H5I_GENPROP_CLS != H5I_get_type(dst_id)))
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not property objects");
+ if (H5I_get_type(src_id) != H5I_get_type(dst_id))
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not the same kind of property objects");
+ if (!name || !*name)
+ HGOTO_ERROR (H5E_ARGS, H5E_BADVALUE, FAIL, "no name given");
+ if(NULL == (src_obj = H5I_object(src_id)) || NULL == (dst_obj = H5I_object(dst_id)))
+ HGOTO_ERROR(H5E_PLIST, H5E_NOTFOUND, FAIL, "property object doesn't exist");
+
+ /* Compare property lists */
+ if(H5I_GENPROP_LST == H5I_get_type(src_id)) {
+ if(H5P_copy_prop_plist(dst_id,src_id,name)<0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTCOPY, FAIL, "can't copy property between lists");
+ } /* end if */
+ /* Must be property classes */
+ else {
+ if(H5P_copy_prop_pclass(dst_obj,src_obj,name)<0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTCOPY, FAIL, "can't copy property between classes");
+ } /* end else */
+
+done:
+ FUNC_LEAVE (ret_value);
+} /* H5Pcopy_prop() */
+
+
+/*--------------------------------------------------------------------------
+ NAME
H5P_unregister
PURPOSE
Internal routine to remove a property from a property list class.