diff options
Diffstat (limited to 'c++/src/H5IdComponent.cpp')
| -rw-r--r-- | c++/src/H5IdComponent.cpp | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/c++/src/H5IdComponent.cpp b/c++/src/H5IdComponent.cpp index f3d916a..ae60c5e 100644 --- a/c++/src/H5IdComponent.cpp +++ b/c++/src/H5IdComponent.cpp @@ -162,6 +162,72 @@ H5I_type_t IdComponent::getHDFObjType() const } //-------------------------------------------------------------------------- +// Function: getNumMembers (static) +///\brief Returns the number of members of the given type. +///\return Number of members +///\Description +/// If there is no member of the given type, getNumMembers will +/// return 0. Valid types are: +/// \li \c H5I_FILE (= 1) +/// \li \c H5I_GROUP +/// \li \c H5I_DATATYPE +/// \li \c H5I_DATASPACE +/// \li \c H5I_DATASET +/// \li \c H5I_ATTR +/// \li \c H5I_REFERENCE +/// \li \c H5I_VFL +/// \li \c H5I_GENPROP_CLS +/// \li \c H5I_GENPROP_LST +/// \li \c H5I_ERROR_CLASS +/// \li \c H5I_ERROR_MSG +/// \li \c H5I_ERROR_STACK +// Programmer Binh-Minh Ribler - Feb, 2017 +//-------------------------------------------------------------------------- +hsize_t IdComponent::getNumMembers(H5I_type_t type) +{ + hsize_t nmembers = 0; + herr_t ret_value = H5Inmembers(type, &nmembers); + if (ret_value < 0) + throw IdComponentException("getNumMembers", "H5Inmembers failed"); + else + return(nmembers); +} + +//-------------------------------------------------------------------------- +// Function: typeExists (static) +///\brief Queries if a given type is currently registered with the +/// library. +///\return true if the given type exists, and false, otherwise. +///\Description +/// Valid types are: +/// \li \c H5I_FILE (= 1) +/// \li \c H5I_GROUP +/// \li \c H5I_DATATYPE +/// \li \c H5I_DATASPACE +/// \li \c H5I_DATASET +/// \li \c H5I_ATTR +/// \li \c H5I_REFERENCE +/// \li \c H5I_VFL +/// \li \c H5I_GENPROP_CLS +/// \li \c H5I_GENPROP_LST +/// \li \c H5I_ERROR_CLASS +/// \li \c H5I_ERROR_MSG +/// \li \c H5I_ERROR_STACK +// Programmer Binh-Minh Ribler - Feb, 2017 +//-------------------------------------------------------------------------- +bool IdComponent::typeExists(H5I_type_t type) +{ + // Call C function + htri_t ret_value = H5Itype_exists(type); + if (ret_value > 0) + return true; + else if (ret_value == 0) + return false; + else // Raise exception when H5Itype_exists returns a negative value + throw IdComponentException("typeExists", "H5Itype_exists failed"); +} + +//-------------------------------------------------------------------------- // Function: IdComponent::operator= ///\brief Assignment operator. ///\param rhs - IN: Reference to the existing object |