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Diffstat (limited to 'c++/src/H5CommonFG.cpp')
| -rw-r--r-- | c++/src/H5CommonFG.cpp | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/c++/src/H5CommonFG.cpp b/c++/src/H5CommonFG.cpp index 05da7bd..61fa5a1 100644 --- a/c++/src/H5CommonFG.cpp +++ b/c++/src/H5CommonFG.cpp @@ -756,6 +756,40 @@ hsize_t CommonFG::getNumObjs() const //-------------------------------------------------------------------------- // Function: CommonFG::getObjnameByIdx +///\brief Returns the name of an object in this group, given the +/// object's index. +///\param idx - IN: Transient index of the object +///\return Object name +///\exception H5::FileIException or H5::GroupIException +///\par Description +/// The value of idx can be any nonnegative number less than the +/// total number of objects in the group, which is returned by +/// the function \c CommonFG::getNumObjs. Note that this is a +/// transient index; thus, an object may have a different index +/// each time the group is opened. +// Programmer Binh-Minh Ribler - Mar, 2005 +//-------------------------------------------------------------------------- +string CommonFG::getObjnameByIdx(hsize_t idx) const +{ + // call H5Gget_objname_by_idx with name as NULL to get its length + ssize_t name_len = H5Gget_objname_by_idx(getLocId(), idx, NULL, 0); + if(name_len < 0) + { + throwException("getObjnameByIdx", "H5Gget_objname_by_idx failed"); + } + + // now, allocate C buffer to get the name + char* name_C = new char[name_len]; + name_len = H5Gget_objname_by_idx(getLocId(), idx, name_C, name_len); + + // clean up and return the string + string name = string(name_C); + delete [] name_C; + return (name); +} + +//-------------------------------------------------------------------------- +// Function: CommonFG::getObjnameByIdx ///\brief Retrieves the name of an object in this group, given the /// object's index. ///\param idx - IN: Transient index of the object |