NAME

       XML::Smart::DTD - DTD parser for XML::Smart.

DESCRIPTION

       This will parse DTD and provides methods to access the information stored in the DTD.

USAGE

         use XML::Smart::DTD ;

         my $dtd = XML::Smart::DTD->new('some.dtd') ;

         if ( $dtd->child_exists('tag1','subtag1') ) {
         ...
         }

         use Data::Dumper ;
         print Dumper( $dtd->tree ) ;

new

METHODS

   attr_exists ( TAG , ATTR )
       Return TRUE if the attribute exists in the element TAG.

   child_exists ( TAG , CHILD )
       Return TRUE if the child exists in the element TAG.

   elem_exists ( TAG )
       Return TRUE if the element TAG exists.

   error
       Return the error list.

   get_attr_def ( TAG , ATTR )
       Return the default value of an attribute

   get_attr_type ( TAG , ATTR )
       Return the attribute type.

   get_attr_values ( TAG , ATTR )
       Return the defined values of an attribute.

   get_attrs ( TAG )
       Return the attribute list of a element.

   get_attrs_req ( TAG )
       Return the required attribute list of a element.

   get_childs ( TAG )
       Return the child list of an element.

   get_childs_req ( TAG )
       Return the required child list of an element.

   get_elem_opt ( TAG )
       Return the occurrence option of an element:

         !  REQUIRED AND ONLY ONE MATCH
         +  1 or more
         *  0 or more
         ?  0 or 1

   get_elem_child_opt ( TAG , CHILD )
       Same of get_elem_opt() but this element as a child of an element.

   is_attr_fix ( TAG , ATTR )
       Return TRUE if an attribute is FIXED.

   is_attr_req ( TAG , ATTR )
       Return TRUE if an attribute is REQUIRED.

   is_elem_any ( TAG )
       Return TRUE if an element is ANY.

   is_elem_child_multi ( TAG , CHILD )
       Return TRUE if an element can have multiple occurrences as a child of TAG.

   is_elem_child_opt ( TAG , CHILD )
       Return TRUE if an element is optional as a child of TAG.

   is_elem_child_req ( TAG , CHILD )
       Return TRUE if an element is optional as a child of TAG.

   is_elem_child_uniq ( TAG , CHILD )
       Return TRUE if an element is required and unique as a child of TAG.

   is_elem_pcdata ( TAG )
       Return TRUE if an element is PCDATA (have content).

   is_elem_empty ( TAG )
       Return TRUE if an element is EMPTY (doesn't have attributes, content or children).

   is_elem_multi ( TAG )
       Return TRUE if an element can have multiple occurrences globally.

   is_elem_opt ( TAG )
       Return TRUE if an element is optional globally.

   is_elem_parent ( TAG , @PARENTS )
       Return TRUE if the list of @PARENTS can be parent of element TAG.

   is_elem_req
       Return TRUE if an element is required globally.

   is_elem_uniq
       Return TRUE if an element is unique and required globally.

   root
       Return the root name of the DTD.

   tree
       Return the HASH tree of the DTD.

SEE ALSO

       XML::Smart, XML::DTDParser.

AUTHOR

       Graciliano M. P. <gm@virtuasites.com.br>

       I will appreciate any type of feedback (include your opinions and/or suggestions). ;-P

THANKS

       Thanks to Jenda@Krynicky.cz http://Jenda.Krynicky.cz that is the author of XML::DTDParser.

COPYRIGHT

       The DTD parser was based on XML-DTDParser-1.7 by Jenda@Krynicky.cz
       http://Jenda.Krynicky.cz

       This program is free software; you can redistribute it and/or modify it under the same
       terms as Perl itself.