File Coverage

blib/lib/Pod/Simple/Wiki/Kwiki.pm

Criterion	Covered	Total	%
statement	43	44	97.7
branch	15	18	83.3
condition	3	9	33.3
subroutine	10	10	100.0
pod	1	1	100.0
total	72	82	87.8

package Pod::Simple::Wiki::Kwiki;

###############################################################################
#
# Pod::Simple::Wiki::Kwiki - A class for creating Pod to Kwiki filters.
#
#
# Copyright 2003-2012, John McNamara, [e-mail]
#
# Documentation after __END__
#

# perltidy with the following options: -mbl=2 -pt=0 -nola

use Pod::Simple::Wiki;
use strict;
use vars qw(@ISA $VERSION);


@ISA     = qw(Pod::Simple::Wiki);
$VERSION = '0.20';


###############################################################################
#
# The tag to wiki mappings.
#
my $tags = {
    ''    => '*',
    ''   => '*',
    ''    => '/',
    ''   => '/',
    ''   => '[=',
    ''  => ']',
    ''  => '',
    '' => "\n\n",

    ''  => "\n----\n= ",
    '' => " =\n\n",
    ''  => "\n== ",
    '' => " ==\n\n",
    ''  => "\n=== ",
    '' => " ===\n\n",
    ''  => "==== ",
    '' => "\n\n",
};


###############################################################################
#
# new()
#
# Simple constructor inheriting from Pod::Simple::Wiki.
#
sub new {

    my $class = shift;
    my $self = Pod::Simple::Wiki->new( 'wiki', @_ );
    $self->{_tags} = $tags;

    bless $self, $class;
    return $self;
}


###############################################################################
#
# _indent_item()
#
# Indents an "over-item" to the correct level.
#
sub _indent_item {

    my $self         = shift;
    my $item_type    = $_[0];
    my $item_param   = $_[1];
    my $indent_level = $self->{_item_indent};

    if ( $item_type eq 'bullet' ) {
        $self->_append( '*' x $indent_level . ' ' );
    }
    elsif ( $item_type eq 'number' ) {
        $self->_append( '0' x $indent_level . ' ' );
    }
    elsif ( $item_type eq 'text' ) {
        $self->_append( ';' x $indent_level . ' ' );
    }
}


###############################################################################
#
# _skip_headings()
#
# Formatting in headings doesn't look great or is ignored in some formats.
#
sub _skip_headings {

    my $self = shift;

    if (   $self->{_in_head1}
        or $self->{_in_head2}
        or $self->{_in_head3}
        or $self->{_in_head4} )
    {
        return 1;
    }
}

###############################################################################
#
# _handle_text()
#
# Perform any necessary transforms on the text. This is mainly used to escape
# inadvertent CamelCase words.
#
sub _handle_text {

    my $self = shift;
    my $text = $_[0];

    # Only escape CamelCase in Kwiki paragraphs
    if ( not $self->{_in_Para} ) {
        $self->{_wiki_text} .= $text;
        return;
    }

    # Split the text into tokens but maintain the whitespace
    my @tokens = split /(\s+)/, $text;

    for ( @tokens ) {
        next unless /\S/;    # Ignore the whitespace
        next if m[^(ht|f)tp://];    # Ignore URLs
        s/([A-Z][a-z]+[A-Z]\w+)/!$1/g;    # Escape with !
    }

    # Rejoin the tokens and whitespace.
    $self->{_wiki_text} .= join '', @tokens;
}


###############################################################################
#
# Functions to deal with =over ... =back regions for
#
# Bulleted lists
# Numbered lists
# Text     lists
# Block    lists
#
sub _end_item_text { $_[0]->_output( ' ; ' ) }


###############################################################################
#
# _start_Para()
#
# Special handling for paragraphs that are part of an "over" block.
#
sub _start_Para {

    my $self         = shift;
    my $indent_level = $self->{_item_indent};

    if ( $self->{_in_over_block} ) {

        # Do something here is necessary
    }
}


###############################################################################
#
# _end_Para()
#
# Special handling for paragraphs that are part of an "over_text" block.
# This is mainly required  be Kwiki.
#
sub _end_Para {

    my $self = shift;

    # Only add a newline if the paragraph isn't part of a text.
    if ( $self->{_in_over_text} ) {

        # Workaround for the fact that Kwiki doesn't have a definition block.
        #$self->_output("\n");
    }
    else {
        $self->_output( "\n" );
    }

    $self->_output( "\n" );
}


1;


__END__