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perl-XML-LibXML / typemap

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TYPEMAP
const char *        T_PV
xmlDocPtr           O_OBJECT
xmlNodePtr          O_OBJECT
xmlParserCtxtPtr    O_OBJECT
xmlDtdPtr           O_OBJECT
xmlNodeSetPtr       O_OBJECT

INPUT
O_OBJECT
    if( sv_isobject($arg) && (SvTYPE(SvRV($arg)) == SVt_PVMG) )
            $var = ($type)SvIV((SV*)SvRV( $arg ));
    else{
            warn( \"${Package}::$func_name() -- $var is not a blessed SV reference\" );
            XSRETURN_UNDEF;
    }

OUTPUT

# The Perl object is blessed into 'CLASS', which should be a
# char* having the name of the package for the blessing.
O_OBJECT
        sv_setref_pv( $arg, (char *)CLASS, (void*)$var );