NAME

PYX::Hist - Processing PYX data or file and print histogram.

SYNOPSIS

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

METHODS

new(%parameters)

Constructor.

• output_handler

  Output handler.
  Default value is \*STDOUT.

parse($pyx[, $out])

Parse PYX text or array of PYX text and print histogram of PYX input.
If $out not present, use 'output_handler'.
Returns undef.

parse_file($input_file[, $out])

Parse file with PYX data and print histogram of PYX input.
If $out not present, use 'output_handler'.
Returns undef.

parse_handler($input_file_handler[, $out])

Parse PYX handler and print histogram of PYX input.
If $out not present, use 'output_handler'.
Returns undef.

ERRORS

new():
        From Class::Utils::set_params():
                Unknown parameter '%s'.

parse():
        Bad end of element.
                Element: %s
        Stack has some elements.

parse_file():
        Bad end of element.
                Element: %s
        Stack has some elements.

parse_handler():
        Bad end of element.
                Element: %s
        Stack has some elements.

EXAMPLE1

# Pragmas.
use strict;
use warnings;

# Modules.
use PYX::Hist;

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

# PYX::Hist object.
my $obj = PYX::Hist->new;

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

# Output:
# [ begin  ] 1
# [ end    ] 2
# [ middle ] 1

EXAMPLE2

# Pragmas.
use strict;
use warnings;

# Modules.
use Error::Pure;
use PYX::Hist;

# Error output.
$Error::Pure::TYPE = 'PrintVar';

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

# PYX::Hist object.
my $obj = PYX::Hist->new;

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

# Output:
# PYX::Hist: Stack has some elements.

DEPENDENCIES

Class::Utils, Error::Pure, List::Util, PYX::Parser.

SEE ALSO

PYX, PYX::GraphViz, PYX::Parser, PYX::Utils, Task::PYX.

REPOSITORY

https://github.com/tupinek/PYX-Hist

AUTHOR

Michal Špaček mailto:skim@cpan.org

http://skim.cz

LICENSE AND COPYRIGHT

© 2014-2015 Michal Špaček
BSD 2-Clause License

VERSION

0.01