NAME

PYX::Parser - PYX parser with callbacks.

SYNOPSIS

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

METHODS

new(%parameters)

Constructor.

• callbacks

  Callbacks.

  • attribute

    Attribute callback.
    Default value is undef.

  • comment

    Comment callback.
    Default value is undef.

  • data

    Data callback.
    Default value is undef.

  • end_element

    End of element callback.
    Default value is undef.

  • final

    Final callback.
    Default value is undef.

  • init

    Init callback.
    Default value is undef.

  • instruction

    Instruction callback.
    Default value is undef.

  • rewrite

    Rewrite callback.
    Callback is used on every line.
    Default value is undef.

  • start_element

    Start of element callback.
    Default value is undef.

  • other

    Other Callback.
    Default value is undef.

• non_parser_options

  Non parser options.
  Default value is blank reference to hash.

• output_rewrite

  Output rewrite.
  Default value is 0.

• output_handler

  Output handler.
  Default value is \*STDOUT.

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():
        Bad output handler.
        From Class::Utils::set_params():
                Unknown parameter '%s'.

parse():
        Bad PYX line '%s'.

parse_file():
        Bad PYX line '%s'.
        No input handler.

parse_handler():
        Bad PYX line '%s'.
        No input handler.

EXAMPLE

 # Pragmas.
 use strict;
 use warnings;
 
 # Modules.
 use PYX::Parser;
 
 # Open file.
 my $file_handler = \*STDIN;
 my $file = $ARGV[0];
 if ($file) {
        if (! open(INF, '<', $file)) {
                die "Cannot open file '$file'.";
        }
        $file_handler = \*INF;
 }
 
 # PYX::Parser object.
 my $parser = PYX::Parser->new(
	'callbacks' => {
        	'start_element' => \&start_element,
        	'end_element' => \&end_element,
	},
 );
 $parser->parse_handler($file_handler);
 
 # Close file.
 if ($file) {
        close(INF);
 }
 
 # Start element callback.
 sub start_element {
        my ($self, $elem) = @_;
        print "Start of element '$elem'.\n";
        return;
 }

 # End element callback.
 sub end_element {
        my ($self, $elem) = @_;
        print "End of element '$elem'.\n";
        return;
 }

DEPENDENCIES

Class::Utils, Error::Pure.

SEE ALSO

PYX, PYX::Utils.

AUTHOR

Michal Špaček mailto:skim@cpan.org

http://skim.cz

LICENSE AND COPYRIGHT

© 2005-2015 Michal Špaček
BSD 2-Clause License

VERSION

0.02