Define validating parser

Function type: start Element Ns SAX2Func void start Element Ns SAX2Func (void * ctx, const xml Char * localname, const xml Char * prefix, const xml Char * URI, int nb_namespaces, const xml Char ** namespaces, int nb_attributes, int nb_defaulted, const xml Char ** attributes) Callback: The entity loader, to control the loading of external entities, the application can either: - override this resolve Entity() callback in the SAX block - or better use the xml Set External Entity Loader() function to set up it's own entity resolution routine Function type: start Element Ns SAX2Func void start Element Ns SAX2Func (void * ctx, const xml Char * localname, const xml Char * prefix, const xml Char * URI, int nb_namespaces, const xml Char ** namespaces, int nb_attributes, int nb_defaulted, const xml Char ** attributes) This function provides the current index of the parser relative to the start of the current entity.

However, before an XML document can be accessed, it must be loaded into an XML DOM object.ANTLR accepts three types of grammar specifications -- parsers, lexers, and tree-parsers (also called tree-walkers).Because ANTLR uses LL(k) analysis for all three grammar variants, the grammar specifications are similar, and the generated lexers and parsers behave similarly.Two sentences, read by all speakers, were designed to bring out dialect variation: The remaining sentences were chosen to be phonetically rich, involving all phones (sounds) and a comprehensive range of diphones (phone bigrams).Additionally, the design strikes a balance between multiple speakers saying the same sentence in order to permit comparison across speakers, and having a large range of sentences covered by the corpus to get maximal coverage of diphones.