diff options
Diffstat (limited to 'c++/src/H5Location.cpp')
| -rw-r--r-- | c++/src/H5Location.cpp | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/c++/src/H5Location.cpp b/c++/src/H5Location.cpp index b93cd86..be59f51 100644 --- a/c++/src/H5Location.cpp +++ b/c++/src/H5Location.cpp @@ -250,6 +250,39 @@ int H5Location::getNumAttrs() const } //-------------------------------------------------------------------------- +// Function: H5Location::attrExists +///\brief Checks whether the named attribute exists at this location. +///\param name - IN: Name of the attribute to be queried +///\exception H5::AttributeIException +// Programmer Binh-Minh Ribler - 2013 +//-------------------------------------------------------------------------- +bool H5Location::attrExists(const char* name) const +{ + // Call C routine H5Aexists to determine whether an attribute exists + // at this location, which could be specified by a file, group, dataset, + // or named datatype. + herr_t ret_value = H5Aexists(getId(), name); + if( ret_value > 0 ) + return true; + else if(ret_value == 0) + return false; + else // Raise exception when H5Aexists returns a negative value + throw AttributeIException(inMemFunc("attrExists"), "H5Aexists failed"); +} + +//-------------------------------------------------------------------------- +// Function: H5Location::attrExists +///\brief This is an overloaded member function, provided for convenience. +/// It differs from the above function in that it takes +/// a reference to an \c H5std_string for \a name. +// Programmer Binh-Minh Ribler - 2000 +//-------------------------------------------------------------------------- +bool H5Location::attrExists(const H5std_string& name) const +{ + attrExists(name.c_str()); +} + +//-------------------------------------------------------------------------- // Function: H5Location::removeAttr ///\brief Removes the named attribute from this object. ///\param name - IN: Name of the attribute to be removed |