diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/H5P.c | 292 | ||||
| -rw-r--r-- | src/H5Ppublic.h | 5 |
2 files changed, 291 insertions, 6 deletions
@@ -5116,18 +5116,22 @@ static intn H5P_cmp_prop(H5P_genprop_t *prop1, H5P_genprop_t *prop2) /* Check if they both have the same 'create' callback */ if(prop1->create==NULL && prop2->create!=NULL) HGOTO_DONE(-1); if(prop1->create!=NULL && prop2->create==NULL) HGOTO_DONE(1); + if(prop1->create!=prop2->create) HGOTO_DONE(-1); /* Check if they both have the same 'set' callback */ if(prop1->set==NULL && prop2->set!=NULL) HGOTO_DONE(-1); if(prop1->set!=NULL && prop2->set==NULL) HGOTO_DONE(1); + if(prop1->set!=prop2->set) HGOTO_DONE(-1); /* Check if they both have the same 'get' callback */ if(prop1->get==NULL && prop2->get!=NULL) HGOTO_DONE(-1); if(prop1->get!=NULL && prop2->get==NULL) HGOTO_DONE(1); + if(prop1->get!=prop2->get) HGOTO_DONE(-1); /* Check if they both have the same 'close' callback */ if(prop1->close==NULL && prop2->close!=NULL) HGOTO_DONE(-1); if(prop1->close!=NULL && prop2->close==NULL) HGOTO_DONE(1); + if(prop1->close!=prop2->close) HGOTO_DONE(-1); /* Don't check the 'next' field, they must be equal by now */ @@ -5202,15 +5206,17 @@ static intn H5P_cmp_class(H5P_genclass_t *pclass1, H5P_genclass_t *pclass2) if(pclass1->deleted < pclass2->deleted) HGOTO_DONE(-1); if(pclass1->deleted > pclass2->deleted) HGOTO_DONE(1); - /* Check whether they have the same creation callback functions & data */ - if(pclass1->create_func < pclass2->create_func) HGOTO_DONE(-1); - if(pclass1->create_func > pclass2->create_func) HGOTO_DONE(1); + /* Check whether they have creation callback functions & data */ + if(pclass1->create_func==NULL && pclass2->create_func!=NULL) HGOTO_DONE(-1); + if(pclass1->create_func!=NULL && pclass2->create_func==NULL) HGOTO_DONE(1); + if(pclass1->create_func!=pclass2->create_func) HGOTO_DONE(-1); if(pclass1->create_data < pclass2->create_data) HGOTO_DONE(-1); if(pclass1->create_data > pclass2->create_data) HGOTO_DONE(1); - /* Check whether they have the same close callback functions & data */ - if(pclass1->close_func < pclass2->close_func) HGOTO_DONE(-1); - if(pclass1->close_func > pclass2->close_func) HGOTO_DONE(1); + /* Check whether they have close callback functions & data */ + if(pclass1->close_func==NULL && pclass2->close_func!=NULL) HGOTO_DONE(-1); + if(pclass1->close_func!=NULL && pclass2->close_func==NULL) HGOTO_DONE(1); + if(pclass1->close_func!=pclass2->close_func) HGOTO_DONE(-1); if(pclass1->close_data < pclass2->close_data) HGOTO_DONE(-1); if(pclass1->close_data > pclass2->close_data) HGOTO_DONE(1); @@ -5374,6 +5380,280 @@ done: /*-------------------------------------------------------------------------- NAME + H5P_iterate_plist + PURPOSE + Internal routine to iterate over the properties in a property list + USAGE + herr_t H5P_iterate_plist(plist_id, idx, iter_func, iter_data) + hid_t plist_id; IN: ID of property list to iterate over + int *idx; IN/OUT: Index of the property to begin with + H5P_iterate_t iter_func; IN: Function pointer to function to be + called with each property iterated over. + void *iter_data; IN/OUT: Pointer to iteration data from user + RETURNS + Success: Returns the return value of the last call to ITER_FUNC if it was + non-zero, or zero if all properties have been processed. + Failure: negative value + DESCRIPTION + This routine iterates over the properties in the property object specified +with PLIST_ID. For each property in the object, the ITER_DATA and some +additional information, specified below, are passed to the ITER_FUNC function. +The iteration begins with the IDX property in the object and the next element +to be processed by the operator is returned in IDX. If IDX is NULL, then the +iterator starts at the first property; since no stopping point is returned in +this case, the iterator cannot be restarted if one of the calls to its operator +returns non-zero. + +The prototype for H5P_iterate_t is: + typedef herr_t (*H5P_iterate_t)(hid_t id, const char *name, void *iter_data); +The operation receives the property list or class identifier for the object +being iterated over, ID, the name of the current property within the object, +NAME, and the pointer to the operator data passed in to H5Piterate, ITER_DATA. + +The return values from an operator are: + Zero causes the iterator to continue, returning zero when all properties + have been processed. + Positive causes the iterator to immediately return that positive value, + indicating short-circuit success. The iterator can be restarted at the + index of the next property. + Negative causes the iterator to immediately return that value, indicating + failure. The iterator can be restarted at the index of the next + property. + +H5Piterate assumes that the properties in the object identified by ID remains +unchanged through the iteration. If the membership changes during the +iteration, the function's behavior is undefined. + + GLOBAL VARIABLES + COMMENTS, BUGS, ASSUMPTIONS + EXAMPLES + REVISION LOG +--------------------------------------------------------------------------*/ +static int H5P_iterate_plist(hid_t plist_id, int *idx, H5P_iterate_t iter_func, void *iter_data) +{ + H5P_genplist_t *plist; /* Property list pointer */ + H5P_genprop_t *prop; /* Temporary property pointer */ + uintn u; /* Local index variable */ + int curr_idx=0; /* Current iteration index */ + int ret_value=0; /* Return value */ + + FUNC_ENTER (H5P_iterate_plist, FAIL); + + assert(idx); + assert(iter_func); + + /* Get the property list object */ + if (H5I_GENPROP_LST != H5I_get_type(plist_id) || NULL == (plist = H5I_object(plist_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a property list"); + + /* Cycle through the properties and compare them also */ + for(u=0; u<plist->pclass->hashsize && ret_value==0; u++) { + prop=plist->props[u]; + + /* Check the actual properties */ + while(prop!=NULL && ret_value==0) { + /* Check if we are at the object to start iterating over */ + if(curr_idx>=*idx) + ret_value=(*iter_func)(plist_id,prop->name,iter_data); + + /* Increment the iteration index if iteration function succeeded */ + if(ret_value==0) + curr_idx++; + + /* Advance the pointer */ + prop=prop->next; + } /* end while */ + } /* end for */ + + /* Set the index we stopped at */ + *idx=curr_idx; + +done: + FUNC_LEAVE (ret_value); +} /* H5P_iterate_plist() */ + + +/*-------------------------------------------------------------------------- + NAME + H5P_iterate_pclass + PURPOSE + Internal routine to iterate over the properties in a property class + USAGE + herr_t H5P_iterate_pclass(pclass_id, idx, iter_func, iter_data) + hid_t pclass_id; IN: ID of property class to iterate over + int *idx; IN/OUT: Index of the property to begin with + H5P_iterate_t iter_func; IN: Function pointer to function to be + called with each property iterated over. + void *iter_data; IN/OUT: Pointer to iteration data from user + RETURNS + Success: Returns the return value of the last call to ITER_FUNC if it was + non-zero, or zero if all properties have been processed. + Failure: negative value + DESCRIPTION + This routine iterates over the properties in the property object specified +with PCLASS_ID. For each property in the object, the ITER_DATA and some +additional information, specified below, are passed to the ITER_FUNC function. +The iteration begins with the IDX property in the object and the next element +to be processed by the operator is returned in IDX. If IDX is NULL, then the +iterator starts at the first property; since no stopping point is returned in +this case, the iterator cannot be restarted if one of the calls to its operator +returns non-zero. + +The prototype for H5P_iterate_t is: + typedef herr_t (*H5P_iterate_t)(hid_t id, const char *name, void *iter_data); +The operation receives the property list or class identifier for the object +being iterated over, ID, the name of the current property within the object, +NAME, and the pointer to the operator data passed in to H5Piterate, ITER_DATA. + +The return values from an operator are: + Zero causes the iterator to continue, returning zero when all properties + have been processed. + Positive causes the iterator to immediately return that positive value, + indicating short-circuit success. The iterator can be restarted at the + index of the next property. + Negative causes the iterator to immediately return that value, indicating + failure. The iterator can be restarted at the index of the next + property. + +H5Piterate assumes that the properties in the object identified by ID remains +unchanged through the iteration. If the membership changes during the +iteration, the function's behavior is undefined. + + GLOBAL VARIABLES + COMMENTS, BUGS, ASSUMPTIONS + EXAMPLES + REVISION LOG +--------------------------------------------------------------------------*/ +static int H5P_iterate_pclass(hid_t pclass_id, int *idx, H5P_iterate_t iter_func, void *iter_data) +{ + H5P_genclass_t *pclass; /* Property list pointer */ + H5P_genprop_t *prop; /* Temporary property pointer */ + uintn u; /* Local index variable */ + int curr_idx=0; /* Current iteration index */ + int ret_value=0; /* Return value */ + + FUNC_ENTER (H5P_iterate_pclass, FAIL); + + assert(idx); + assert(iter_func); + + /* Get the property list object */ + if (H5I_GENPROP_CLS != H5I_get_type(pclass_id) || NULL == (pclass = H5I_object(pclass_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a property class"); + + /* Cycle through the properties and compare them also */ + for(u=0; u<pclass->hashsize && ret_value==0; u++) { + prop=pclass->props[u]; + + /* Check the actual properties */ + while(prop!=NULL && ret_value==0) { + /* Check if we are at the object to start iterating over */ + if(curr_idx>=*idx) + ret_value=(*iter_func)(pclass_id,prop->name,iter_data); + + /* Increment the iteration index if iteration function succeeded */ + if(ret_value==0) + curr_idx++; + + /* Advance the pointer */ + prop=prop->next; + } /* end while */ + } /* end for */ + + /* Set the index we stopped at */ + *idx=curr_idx; + +done: + FUNC_LEAVE (ret_value); +} /* H5P_iterate_pclass() */ + + +/*-------------------------------------------------------------------------- + NAME + H5Piterate + PURPOSE + Routine to iterate over the properties in a property list or class + USAGE + int H5Piterate(pclass_id, idx, iter_func, iter_data) + hid_t id; IN: ID of property object to iterate over + int *idx; IN/OUT: Index of the property to begin with + H5P_iterate_t iter_func; IN: Function pointer to function to be + called with each property iterated over. + void *iter_data; IN/OUT: Pointer to iteration data from user + RETURNS + Success: Returns the return value of the last call to ITER_FUNC if it was + non-zero, or zero if all properties have been processed. + Failure: negative value + DESCRIPTION + This routine iterates over the properties in the property object specified +with ID. The properties in both property lists and classes may be iterated +over with this function. For each property in the object, the ITER_DATA and +some additional information, specified below, are passed to the ITER_FUNC +function. The iteration begins with the IDX property in the object and the +next element to be processed by the operator is returned in IDX. If IDX is +NULL, then the iterator starts at the first property; since no stopping point +is returned in this case, the iterator cannot be restarted if one of the calls +to its operator returns non-zero. + +The prototype for H5P_iterate_t is: + typedef herr_t (*H5P_iterate_t)(hid_t id, const char *name, void *iter_data); +The operation receives the property list or class identifier for the object +being iterated over, ID, the name of the current property within the object, +NAME, and the pointer to the operator data passed in to H5Piterate, ITER_DATA. + +The return values from an operator are: + Zero causes the iterator to continue, returning zero when all properties + have been processed. + Positive causes the iterator to immediately return that positive value, + indicating short-circuit success. The iterator can be restarted at the + index of the next property. + Negative causes the iterator to immediately return that value, indicating + failure. The iterator can be restarted at the index of the next + property. + +H5Piterate assumes that the properties in the object identified by ID remains +unchanged through the iteration. If the membership changes during the +iteration, the function's behavior is undefined. + + GLOBAL VARIABLES + COMMENTS, BUGS, ASSUMPTIONS + EXAMPLES + REVISION LOG +--------------------------------------------------------------------------*/ +int H5Piterate(hid_t id, int *idx, H5P_iterate_t iter_func, void *iter_data) +{ + int fake_idx=0; /* Index when user doesn't provide one */ + int ret_value=FAIL; /* return value */ + + FUNC_ENTER (H5Piterate, FAIL); + + /* Check arguments. */ + if (H5I_GENPROP_LST != H5I_get_type(id) && H5I_GENPROP_CLS != H5I_get_type(id)) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a property object"); + if (iter_func==NULL) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid iteration callback"); + + if (H5I_GENPROP_LST == H5I_get_type(id)) { + /* Iterate over a property list */ + if ((ret_value=H5P_iterate_plist(id,(idx ? idx : &fake_idx),iter_func,iter_data))<0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTREGISTER, FAIL, "unable to iterate over list"); + } /* end if */ + else + if (H5I_GENPROP_CLS == H5I_get_type(id)) { + /* Iterate over a property class */ + if ((ret_value=H5P_iterate_pclass(id,(idx ? idx : &fake_idx),iter_func,iter_data))<0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTREGISTER, FAIL, "unable to iterate over class"); + } /* end if */ + else + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a property object"); + +done: + FUNC_LEAVE (ret_value); +} /* H5Piterate() */ + + +/*-------------------------------------------------------------------------- + NAME H5P_get PURPOSE Internal routine to query the value of a property in a property list. diff --git a/src/H5Ppublic.h b/src/H5Ppublic.h index f4fe825..c0085f1 100644 --- a/src/H5Ppublic.h +++ b/src/H5Ppublic.h @@ -54,6 +54,9 @@ typedef herr_t (*H5P_prp_set_func_t)(hid_t prop_id, const char *name, void **val typedef herr_t (*H5P_prp_get_func_t)(hid_t prop_id, const char *name, void *value); typedef herr_t (*H5P_prp_close_func_t)(const char *name, void *value); +/* Define property list iteration function type */ +typedef herr_t (*H5P_iterate_t)(hid_t id, const char *name, void *iter_data); + #ifdef __cplusplus extern "C" { #endif @@ -101,6 +104,8 @@ __DLL__ hid_t H5Pget_class_new(hid_t plist_id); __DLL__ hid_t H5Pget_class_parent(hid_t pclass_id); __DLL__ herr_t H5Pget(hid_t plist_id, const char *name, void * value); __DLL__ htri_t H5Pequal(hid_t id1, hid_t id2); +__DLL__ int H5Piterate(hid_t id, int *idx, H5P_iterate_t iter_func, + void *iter_data); __DLL__ herr_t H5Premove(hid_t plist_id, const char *name); __DLL__ herr_t H5Punregister(hid_t pclass_id, const char *name); __DLL__ herr_t H5Pclose_list(hid_t plist_id); |