diff options
Diffstat (limited to 'c++/src/H5CompType.cpp')
| -rw-r--r-- | c++/src/H5CompType.cpp | 46 |
1 files changed, 44 insertions, 2 deletions
diff --git a/c++/src/H5CompType.cpp b/c++/src/H5CompType.cpp index 6fdba0b..3816751 100644 --- a/c++/src/H5CompType.cpp +++ b/c++/src/H5CompType.cpp @@ -68,11 +68,53 @@ string CompType::getMemberName( int member_num ) const return( member_name ); // return the member name string } -// Retrieves the offset of a member of a compound datatype. +/*------------------------------------------------------------------------- + * Function: getMemberIndex + * + * Purpose: Returns the index of a member in a compound data type. + * Members are stored in no particular order with numbers 0 + * through N-1, where N is the value returned by the member + * function getNmembers. + * + * Return: Success: index of the member if exists. + * Failure: DataTypeIException + * + * BMR - May 16, 2002 + *------------------------------------------------------------------------- + */ +int CompType::getMemberIndex(const char* name) const +{ + int member_index = H5Tget_member_index(id, name); + if( member_index < 0 ) + { + throw DataTypeIException("CompType::getMemberIndex", + "H5Tget_member_index returns negative value"); + } + return( member_index ); +} +int CompType::getMemberIndex(const string& name) const +{ + return(getMemberIndex(name.c_str())); +} + +/*------------------------------------------------------------------------- + * Function: getMemberOffset + * + * Purpose: Returns the byte offset of the beginning of a member with + * respect to the beginning of the compound data type datum. + * Members are stored in no particular order with numbers 0 + * through N-1, where N is the value returned by the member + * function getNmembers. + * + * Return: Success: Byte offset. + * Failure: Quincey: for now, 0 is not a failure + * + * BMR - 2000 + *------------------------------------------------------------------------- + */ size_t CompType::getMemberOffset( int member_num ) const { size_t offset = H5Tget_member_offset( id, member_num ); - // Q. said: for now, 0 is not a failure //if( offset == 0 ) //{ //throw DataTypeIException("CompType::getMemberOffset", |