| 摘要 |
A method, and a corresponding development environment, is described for providing access functions to substructure fields within a data structure, such as an octet string, defined using a standard datatype definition, such as an ASN.1 definition, comprising: labeling the data structure within the standard definition; providing a corresponding definition of the substructure; generating from the labeled standard datatype definition and the corresponding substructure definition, a table that links the data structure with position data positioning the substructure with respect to the data structure; compiling the standard datatype definition to generate access functions for the data structure; and generating access functions for the substructure fields by combining the access functions for the data structure and using the position information from the generated table to access to data items therein.
|
