NAME
    PYX::XMLNorm - Processing PYX data or file and do XML normalization.

SYNOPSIS
     use PYX::XMLNorm;
     my $obj = PYX::XMLNorm->new(%parameters);
     $obj->parse($pyx, $out);
     $obj->parse_file($input_file, $out);
     $obj->parse_handle($input_file_handler, $out);

METHODS
    "new()"
             Constructor.

            *       "flush_stack"

                     Flush stack on finalization.
                     Default value is 0.

            *       "output_handler"

                     Output handler.
                     Default value is \*STDOUT.

            *       "rules"

                     XML normalization rules.
                     Parameter is required.
                     Format of rules is:
                     outer element => list of inner elements.
                     e.g.
                     {
                             'middle' => ['end'],
                     },
                     Default value is {}.

    "parse($pyx[, $out])"
             Parse PYX text or array of PYX text.
             If $out not present, use 'output_handler'.
             Returns undef.

    "parse_file($input_file[, $out])"
             Parse file with PYX data.
             If $out not present, use 'output_handler'.
             Returns undef.

    "parse_handler($input_file_handler[, $out])"
             Parse PYX handler.
             If $out not present, use 'output_handler'.
             Returns undef.

ERRORS
     new():
             Cannot exist XML normalization rules.
             From Class::Utils::set_params():
                     Unknown parameter '%s'.

EXAMPLE
     # Pragmas.
     use strict;
     use warnings;

     # Modules.
     use PYX::XMLNorm;

     # Example data.
     my $pyx = <<'END';
     (begin
     (middle
     (end
     -data
     )middle
     )begin
     END

     # Object.
     my $obj = PYX::XMLNorm->new(
             'rules' => {
                     'middle' => ['end'],
             },
     );

     # Nomrmalize..
     $obj->parse($pyx);

     # Output:
     # (begin
     # (middle
     # (end
     # -data
     # )end
     # )middle
     # )begin

DEPENDENCIES
    Class::Utils, Error::Pure, PYX, PYX::Parser.

SEE ALSO
    PYX, PYX::GraphViz, PYX::Hist, PYX::Parser, PYX::Stack, PYX::Utils,
    Task::PYX.

REPOSITORY
    <https://github.com/tupinek/PYX-XMLNorm>

AUTHOR
    Michal Špaček skim@cpan.org.

LICENSE AND COPYRIGHT
     © 2011-2015 Michal Špaček
     BSD 2-Clause License

VERSION
    0.02

