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127.0.0.1

File Name : Format.pm

package Text::Format;

require 5.006;

=head1 NAME

B<Text::Format> - Various subroutines to format text.

=head1 SYNOPSIS

use Text::Format;

my $text = Text::Format->new (
        {
            text           =>  [], # all
            columns        =>  72, # format, paragraphs, center
            leftMargin     =>   0, # format, paragraphs, center
            rightMargin    =>   0, # format, paragraphs, center
            firstIndent    =>   4, # format, paragraphs
            bodyIndent     =>   0, # format, paragraphs
            rightFill      =>   0, # format, paragraphs
            rightAlign     =>   0, # format, paragraphs
            justify        =>   0, # format, paragraphs
            extraSpace     =>   0, # format, paragraphs
            abbrevs        =>  {}, # format, paragraphs
            hangingIndent  =>   0, # format, paragraphs
            hangingText    =>  [], # format, paragraphs
            noBreak        =>   0, # format, paragraphs
            noBreakRegex   =>  {}, # format, paragraphs
            tabstop        =>   8, # expand, unexpand,  center
        }
    ); # these are the default values

my %abbr = (foo => 1, bar => 1);
    $text->abbrevs(\%abbr);
    $text->abbrevs();
    $text->abbrevs({foo => 1,bar => 1});
    $text->abbrevs(qw/foo bar/);
    $text->text(\@text);

$text->columns(132);
    $text->tabstop(4);
    $text->extraSpace(1);
    $text->firstIndent(8);
    $text->bodyIndent(4);
    $text->config({tabstop => 4,firstIndent => 0});
    $text->rightFill(0);
    $text->rightAlign(0);

=head1 DESCRIPTION

The B<format> routine will format under all circumstances even if the
width isn't enough to contain the longest words.  I<Text::Wrap> will die
under these circumstances, although I am told this is fixed.  If columns
is set to a small number and words are longer than that and the leading
'whitespace' than there will be a single word on each line.  This will
let you make a simple word list which could be indented or right
aligned.  There is a chance for croaking if you try to subvert the
module.  If you don't pass in text then the internal text is worked on,
though not modfied.

I<Text::Format> is meant for more powerful text formatting than what
I<Text::Wrap> allows.  I also have a module called I<Text::NWrap> that
is meant as a direct replacement for I<Text::Wrap>.  I<Text::NWrap>
requires I<Text::Format> since it uses I<Text::Format-E<gt>format> to do the
actual wrapping but gives you the interface of I<Text::Wrap>.

General setup should be explained with the below graph.

columns
<------------------------------------------------------------>
<----------><------><---------------------------><----------->
 leftMargin  indent  text is formatted into here  rightMargin

indent is firstIndent or bodyIndent depending on where we are in the
paragraph.

=over 4

=item B<format> @ARRAY || \@ARRAY || [<FILEHANDLE>] || NOTHING

Allows one to do some advanced formatting of text into a paragraph, with
indent for first line and body set separately.  Can specify total width
of text, right fill with spaces or right align or justify (align to both
margins), right margin and left margin, non-breaking space, two spaces
at end of sentence, hanging indents (tagged paragraphs).  Strips all
leading and trailing whitespace before proceeding.  Text is first split
into words and then reassembled.  If no text is passed in then the
internal text in the object is formatted.

=item B<paragraphs> @ARRAY || \@ARRAY || [<FILEHANDLE>] || NOTHING

Considers each element of text as a paragraph and if the indents are the
same for first line and the body then the paragraphs are separated by a
single empty line otherwise they follow one under the other.  If hanging
indent is set then a single empty line will separate each paragraph as
well.  Calls I<format> to do the actual formatting.  If no text is
passed in then the internal text in the object is formatted, though not
changed.

=item B<center> @ARRAY || NOTHING

Centers a list of strings in @ARRAY or internal text.  Empty lines
appear as, you guessed it, empty lines.  Center strips all leading and
trailing whitespace before proceeding.  Left margin and right margin can
be set.  If no text is passed in then the internal text in the object is
formatted.

=item B<expand> @ARRAY || NOTHING

Expand tabs in the list of text to tabstop number of spaces in @ARRAY or
internal text.  Doesn't modify the internal text just passes back the
modified text.  If no text is passed in then the internal text in the
object is formatted.

=item B<unexpand> @ARRAY || NOTHING

Tabstop number of spaces are turned into tabs in @ARRAY or internal
text.  Doesn't modify the internal text just passes back the modified
text.  If no text is passed in then the internal text in the object is
formatted.

=item B<new> \%HASH || NOTHING

Instantiates the object.  If you pass a reference to a hash, or an
anonymous hash then it is used in setting attributes.

=item B<config> \%HASH

Allows the configuration of all object attributes at once.  Returns the
object prior to configuration.  You can use it to make a clone of your
object before you change attributes.

=item B<columns> NUMBER || NOTHING

Set width of text or retrieve width.  This is total width and includes
indentation and the right and left margins.

=item B<tabstop> NUMBER || NOTHING

Set tabstop size or retrieve tabstop size, only used by expand, unexpand
and center.

=item B<firstIndent> NUMBER || NOTHING

Set or get indent for the first line of paragraph.  This is the number
of spaces to indent.

=item B<bodyIndent> NUMBER || NOTHING

Set or get indent for the body of paragraph.  This is the number of
spaces to indent.

=item B<leftMargin> NUMBER || NOTHING

Set or get width of left margin.  This is the number of spaces used for
the margin.

=item B<rightMargin> NUMBER || NOTHING

Set or get width of right margin.  This is the number of spaces used for
the margin.

=item B<rightFill> 0 || 1 || NOTHING

Set right fill or retrieve its value.  The filling is done with spaces.
Keep in mind that if I<rightAlign> is also set then both I<rightFill>
and I<rightAlign> are ignored.

=item B<rightAlign> 0 || 1 || NOTHING

Set right align or retrieve its value.  Text is aligned with the right
side of the margin.  Keep in mind that if I<rightFill> is also set then
both I<rightFill> and I<rightAlign> are ignored.

=item B<justify> 0 || 1 || NOTHING

Set justify or retrieve its value.  Text is aligned with both margins,
adding extra spaces as necessary to align text with left and right
margins.  Keep in mind that if either of I<rightAlign> or I<rightFill>
are set then I<justify> is ignored, even if both are set in which case
they are all ignored.

=item B<text> \@ARRAY || NOTHING

Pass in a reference to your text, or an anonymous array of text that you
want the routines to manipulate.  Returns the text held in the object.

=item B<hangingIndent> 0 || 1 || NOTHING

Use hanging indents in front of a paragraph, returns current value of
attribute.  This is also called a tagged paragraph.

=item B<hangingText> \@ARRAY || NOTHING

The text that will be displayed in front of each paragraph, if you call
I<format> then only the first element is used, if you call I<paragraphs>
then I<paragraphs> cycles through all of them.  If you have more
paragraphs than elements in your array than the remainder of the
paragraphs will not have a hanging indented text.  Pass a reference to
your array.  This is also called a tagged paragraph.

=item B<noBreak> 0 || 1 || NOTHING

Set whether you want to use the non-breaking space feature (see
B<noBreakRegex> below).

=item B<noBreakRegex> \%HASH || NOTHING

Pass in a reference to a hash that would hold the regexes on which not
to break. In order for this to happen, it requires B<noBreak> to be set
to B<true> - see above.  Without any arguments, it
returns the hash. E.g:

{'^Mrs?\.$' => '^\S+$','^\S+$' => '^(?:S|J)r\.$'}

don't break names such as
Mr. Jones, Mrs. Jones, Jones Jr.

The breaking algorithm is simple.  If there should not be a break at the
current end of sentence, then a backtrack is done till there are two
words on which breaking is allowed.  If no two such words are found then
the end of sentence is broken anyhow.  If there is a single word on
current line then no backtrack is done and the word is stuck on the end.
This is so you can make a list of names for example.

B<Note>: this feature requires B<noBreak> to be set to true.

=item B<extraSpace> 0 || 1 || NOTHING

Add extra space after end of sentence, normally I<format> would add 1
space after end of sentence, if this is set to 1 then 2 spaces are used.
Abbreviations are not followed by two spaces.  There are a few internal
abbreviations and you can add your own to the object with I<abbrevs>

=item B<abbrevs> \%HASH || @ARRAY || NOTHING

Add to the current abbreviations, takes a reference to your hash or an
array of abbreviations, if called a second time the original reference
is removed and replaced by the new one.  Returns the current INTERNAL
abbreviations.

=back

=head1 EXAMPLE

use Text::Format;

my $text = Text::Format->new;

$text->rightFill(1);
    $text->columns(65);
    $text->tabstop(4);

print $text->format("a line to format to an indented regular
            paragraph using 65 character wide display");
    print $text->paragraphs("paragraph one","paragraph two");
    print $text->center("hello world","nifty line 2");
    print $text->expand("\t\thello world\n","hmm,\twell\n");
    print $text->unexpand("    hello world\n","    hmm");

$text->config({columns => 132, tabstop => 4});

$text = Text::Format->new();

print $text->format(@text);
    print $text->paragraphs(@text);
    print $text->center(@text);
    print $text->format([<FILEHANDLE>]);
    print $text->format([$fh->getlines()]);
    print $text->paragraphs([<FILEHANDLE>]);
    print $text->expand(@text);
    print $text->unexpand(@text);

$text = Text::Format->new
        ({tabstop => 4,bodyIndent => 4,text => \@text});

print $text->format();
    print $text->paragraphs();
    print $text->center();
    print $text->expand();
    print $text->unexpand();

print Text::Format->new({columns => 95})->format(@text);

=head1 BUGS

Line length can exceed the number of specified columns
if columns is set to a small number and long words plus leading whitespace
exceed the specified column length.  Actually I see this as a feature since it
can be used to make up a nice word list.

=head1 LICENSE

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

=head1 AUTHOR

Gabor Egressy B<gabor@vmunix.com>

Copyright (c) 1998 Gabor Egressy.  All rights reserved.  All wrongs
reversed.  This program is free software; you can redistribute and/or
modify it under the same terms as Perl itself.

Adopted and modified by Shlomi Fish, L<http://www.shlomifish.org/> - all
rights disclaimed.

=head1 ACKNOWLEDGMENTS

B<Tom Phoenix>

Found a bug with code for two spaces at the end of the sentence and provided
a code fragment for a better solution. Also some preliminary suggestions on
the design.

B<Brad Appleton>

Suggestion and explanation of hanging indents, suggestion for
non-breaking whitespace, general suggestions with regard to interface
design.

B<Byron Brummer>

Suggestion for better interface design and object design, code for
better implementation of getting abbreviations.

B<H. Merijn Brand>

Suggestion for a justify feature and original code for doing the
justification.  I changed the code to take into account the extra space
at end of sentence feature.

B<Anne Wainwright>

Inspired a documentation clarification about B<noBreak> required by
B<noBreakRegex> , thanks to a report with a problem.

=head1 TODO

=cut

use strict;
use warnings;

use Carp;

use vars qw($VERSION);

$VERSION = '0.59';

# local abbreviations, you can add your own with abbrevs()
my %abbrev = (
    Mr  => 1,
    Mrs => 1,
    Ms  => 1,
    Jr  => 1,
    Sr  => 1,
);

# formats text into a nice paragraph format.  can set a variety of
# attributes such as first line indent, body indent, left and right
# margin, right align, right fill with spaces, non-breaking spaces,
# justification to both margins
sub format($@)
{
    my $this = shift;
    croak "Bad method call"
        unless ref $this;
    my @wrap = @_
        if @_ > 0;

@wrap = @{$_[0]}
        if ref $_[0] eq 'ARRAY';
    @wrap =  @{$this->{'_text'}}
        if @wrap < 1;

my $findent = ' ' x $this->{'_findent'};
    my $bindent = ' ' x $this->{'_bindent'};

my @words = split /\s+/,join ' ',@wrap;
    shift @words
        unless defined($words[0]) && $words[0] ne '';
#if $words[0] eq '';

@wrap = ();
    my ($line,$width,$abbrev);
    $abbrev = 0;
    $width = $this->{'_cols'} - $this->{'_findent'}
        - $this->{'_lmargin'} - $this->{'_rmargin'};
    $line = shift @words;
    $abbrev = $this->__is_abbrev($line)
        if defined $line;
    while (defined ($_ = shift @words)) {
        if(length($_) + length($line) < $width - 1
                || ($line !~ /[.?!]['"]?$/ || $abbrev)
                && length($_) + length($line) < $width) {
            $line .= ' '
                if $line =~ /[.?!]['"]?$/ && ! $abbrev;
            $line .= ' ' . $_;
        }
        else {
            last;
        }
        $abbrev = $this->__is_abbrev($_);
    }
    ($line,$_) = $this->__do_break($line,$_)
        if $this->{'_nobreak'} && defined $line;
    push @wrap,$this->__make_line($line,$findent,$width,defined $_)
        if defined $line;
    $line = $_;
    $width = $this->{'_cols'} - $this->{'_bindent'}
        - $this->{'_lmargin'} - $this->{'_rmargin'};
    $abbrev = 0;
    $abbrev = $this->__is_abbrev($line)
        if defined $line;
    while (defined ($_ = shift @words)) {
        if(length($_) + length($line) < $width - 1
                || ($line !~ /[.?!]['"]?$/ || $abbrev)
                && length($_) + length($line) < $width) {
            $line .= ' '
                if $line =~ /[.?!]['"]?$/ && ! $abbrev;
            $line .= ' ' . $_;
        }
        else {
            ($line,$_) = $this->__do_break($line,$_)
                if $this->{'_nobreak'};
            push @wrap,$this->__make_line($line,$bindent,$width,defined $_)
                if defined $line;
            $line = $_;
        }
        $abbrev = $this->__is_abbrev($_)
            if defined $_;
    }
    push @wrap,$this->__make_line($line,$bindent,$width,0)
        if defined $line;

if($this->{'_hindent'} && @wrap > 0) {
        my $caller = (caller 1)[3];
        $caller = ''
            unless defined $caller;
        $this->{'_hindcurr'} = $this->{'_hindtext'}->[0]
            if defined $this->{'_hindtext'}->[0]
                && length($this->{'_hindcurr'}) < 1
                && $caller ne 'Text::Format::paragraphs';
        my ($fchar) = $wrap[0] =~ /(\S)/;
        my $white = index $wrap[0],$fchar;
        if($white  - $this->{'_lmargin'} - 1 > length($this->{'_hindcurr'})) {
            $white = length($this->{'_hindcurr'}) + $this->{'_lmargin'};
            $wrap[0] =~
                s/^ {$white}/' ' x $this->{'_lmargin'} . $this->{'_hindcurr'}/e;
        }
        else {
            unshift @wrap,' ' x $this->{'_lmargin'} . $this->{'_hindcurr'} . "\n";
        }
    }

wantarray ? @wrap
              : join '', @wrap;
}

# format lines in text into paragraphs with each element of @wrap a
# paragraph; uses Text::Format->format for the formatting
sub paragraphs($@)
{
    my $this = shift;
    croak "Bad method call"
        unless ref $this;
    my @wrap = @_
        if @_ > 0;

@wrap = @{$_[0]}
        if ref $_[0] eq 'ARRAY';
    @wrap =  @{$this->{'_text'}}
        if @wrap < 1;

my (@ret,$end,$cnt,$line);

# if indents are same, use newline between paragraphs
    if($this->{'_findent'} == $this->{'_bindent'} ||
            $this->{'_hindent'}) {
        $end = "\n";
    }
    else {
        $end = '';
    }

$cnt = 0;
    for (@wrap) {
        $this->{'_hindcurr'} = $this->{'_hindtext'}->[$cnt]
            if $this->{'_hindent'};
        $this->{'_hindcurr'} = ''
            unless defined $this->{'_hindcurr'};
        $line = $this->format($_);
        push @ret,$line . $end
            if defined $line && length $line > 0;
        ++$cnt;
    }
    chop $ret[$#ret]
        if defined($ret[$#ret]) && $ret[$#ret] =~ /\n\n$/;
#if $ret[$#ret] =~ /\n\n$/;

wantarray ? @ret
              : join '',@ret;
}

# center text using spaces on left side to pad it out
# empty lines are preserved
sub center($@)
{
    my $this = shift;
    croak "Bad method call"
        unless ref $this;
    my @center = @_
        if @_ > 0;
    @center =  @{$this->{'_text'}}
        if @center < 1;
    my ($tabs);
    my $width = $this->{'_cols'} - $this->{'_lmargin'} - $this->{'_rmargin'};

for (@center) {
        s/(?:^\s+|\s+$)|\n//g;
        $tabs = tr/\t//; # count tabs
        substr($_,0,0) = ' ' x int(($width - length($_)
                - $tabs * $this->{'_tabs'} + $tabs) / 2)
            if length > 0;
        substr($_,0,0) = ' ' x $this->{'_lmargin'}
            if length > 0;
        substr($_,length) = "\n";
    }

wantarray ? @center
              : join '',@center;
}

# expand tabs to spaces
# should be similar to Text::Tabs::expand
sub expand($@)
{
    my $this = shift;
    croak "Bad method call"
        unless ref $this;
    my @lines = @_
        if @_ > 0;
    @lines =  @{$this->{'_text'}}
        if @lines < 1;

for (@lines) {
        s/\t/' ' x $this->{'_tabs'}/eg;
    }

wantarray ? @lines
              : $lines[0];
}

# turn tabstop number of spaces into tabs
# should be similar to Text::Tabs::unexpand
sub unexpand($@)
{
    my $this = shift;
    croak "Bad method call"
        unless ref $this;
    my @lines = $this->expand(@_);

for (@lines) {
        s/ {$this->{'_tabs'}}/\t/g;
    }

wantarray ? @lines
              : $lines[0];
}

# return a reference to the object, call as $text = Text::Format->new()
# can be used to clone the current reference $ntext = $text->new()
sub new($@)
{
    my $this = shift;
    my $ref;
    if(ref $_[0] eq 'HASH') {
        $ref = shift;
    }
    elsif(scalar(@_) % 2 == 0) {
        my %ref = @_;
        $ref = \%ref;
    }
    else {
        $ref = '';
    }
    my %clone = %{$this}
        if ref $this;

my $conf = {
        _cols          =>  72,
        _tabs          =>   8,
        _findent       =>   4,
        _bindent       =>   0,
        _fill          =>   0,
        _align         =>   0,
        _justify       =>   0,
        _lmargin       =>   0,
        _rmargin       =>   0,
        _space         =>   0,
        _abbrs         =>  {},
        _text          =>  [],
        _hindent       =>   0,
        _hindtext      =>  [],
        _hindcurr      =>  '',
        _nobreak       =>   0,
        _nobreakregex  =>  {},
    };

if(ref $ref eq 'HASH') {
        $conf->{'_cols'} = abs int $ref->{'columns'}
            if defined $ref->{'columns'};
        $conf->{'_tabs'} = abs int $ref->{'tabstop'}
            if defined $ref->{'tabstop'};
        $conf->{'_findent'} = abs int $ref->{'firstIndent'}
            if defined $ref->{'firstIndent'};
        $conf->{'_bindent'} = abs int $ref->{'bodyIndent'}
            if defined $ref->{'bodyIndent'};
        $conf->{'_fill'} = abs int $ref->{'rightFill'}
            if defined $ref->{'rightFill'};
        $conf->{'_align'} = abs int $ref->{'rightAlign'}
            if defined $ref->{'rightAlign'};
        $conf->{'_justify'} = abs int $ref->{'justify'}
            if defined $ref->{'justify'};
        $conf->{'_lmargin'} = abs int $ref->{'leftMargin'}
            if defined $ref->{'leftMargin'};
        $conf->{'_rmargin'} = abs int $ref->{'rightMargin'}
            if defined $ref->{'rightMargin'};
        $conf->{'_space'} = abs int $ref->{'extraSpace'}
            if defined $ref->{'extraSpace'};
        $conf->{'_abbrs'} = $ref->{'abbrevs'}
            if defined $ref->{'abbrevs'}
                && ref $ref->{'abbrevs'} eq 'HASH';
        $conf->{'_text'} = $ref->{'text'}
            if defined $ref->{'text'}
                && ref $ref->{'text'} eq 'ARRAY';
        $conf->{'_hindent'} = abs int $ref->{'hangingIndent'}
            if defined $ref->{'hangingIndent'};
        $conf->{'_hindtext'} = $ref->{'hangingText'}
            if defined $ref->{'hangingText'}
                && ref $ref->{'hangingText'} eq 'ARRAY';
        $conf->{'_nobreak'} = abs int$ref->{'noBreak'}
            if defined $ref->{'noBreak'};
        $conf->{'_nobreakregex'} = $ref->{'noBreakRegex'}
            if defined $ref->{'noBreakRegex'}
                && ref $ref->{'noBreakRegex'} eq 'HASH';
    }

ref $this ? bless \%clone, ref $this
              : bless $conf, $this;
}

# configure all the attributes of the object
# returns the old object prior to configuration
sub config($@)
{
    my $this = shift;
    croak "Bad method call"
        unless ref $this;
    my $conf;
    if(ref $_[0] eq 'HASH') {
        $conf = shift;
    }
    elsif(scalar(@_) % 2 == 0) {
        my %conf = @_;
        $conf = \%conf;
    }
    else {
        croak "Bad hash ref";
    }
    my %clone = %{$this};

$this->{'_cols'} = abs int $conf->{'columns'}
        if defined $conf->{'columns'};
    $this->{'_tabs'} = abs int $conf->{'tabstop'}
        if defined $conf->{'tabstop'};
    $this->{'_findent'} = abs int $conf->{'firstIndent'}
        if defined $conf->{'firstIndent'};
    $this->{'_bindent'} = abs int $conf->{'bodyIndent'}
        if defined $conf->{'bodyIndent'};
    $this->{'_fill'} = abs int $conf->{'rightFill'}
        if defined $conf->{'rightFill'};
    $this->{'_align'} = abs int $conf->{'rightAlign'}
        if defined $conf->{'rightAlign'};
    $this->{'_justify'} = abs int $conf->{'justify'}
        if defined $conf->{'justify'};
    $this->{'_lmargin'} = abs int $conf->{'leftMargin'}
        if defined $conf->{'leftMargin'};
    $this->{'_rmargin'} = abs int $conf->{'rightMargin'}
        if defined $conf->{'rightMargin'};
    $this->{'_space'} = abs int $conf->{'extraSpace'}
        if defined $conf->{'extraSpace'};
    $this->{'_abbrs'} = $conf->{'abbrevs'}
        if defined $conf->{'abbrevs'}
            && ref $conf->{'abbrevs'} eq 'HASH';
    $this->{'_text'} = $conf->{'text'}
        if defined $conf->{'text'}
            && ref $conf->{'text'} eq 'ARRAY';
    $this->{'_hindent'} = abs int $conf->{'hangingIndent'}
        if defined $conf->{'hangingIndent'};
    $this->{'_hindtext'} = $conf->{'hangingText'}
        if defined $conf->{'hangingText'}
            && ref $conf->{'hangingText'} eq 'ARRAY';
    $this->{'_nobreak'} = abs int $conf->{'noBreak'}
        if defined $conf->{'noBreak'};
    $this->{'_nobreakregex'} = $conf->{'noBreakRegex'}
        if defined $conf->{'noBreakRegex'}
            && ref $conf->{'noBreakRegex'} eq 'HASH';

bless \%clone, ref $this;
}

sub columns($;$)
{
    my $this = shift;
    croak "Bad method call"
        unless ref $this;

@_ ? $this->{'_cols'} = abs int shift
       : $this->{'_cols'};
}

sub tabstop($;$)
{
    my $this = shift;
    croak "Bad method call"
        unless ref $this;

@_ ? $this->{'_tabs'} = abs int shift
       : $this->{'_tabs'};
}

sub firstIndent($;$)
{
    my $this = shift;
    croak "Bad method call"
        unless ref $this;

@_ ? $this->{'_findent'} = abs int shift
       : $this->{'_findent'};
}

sub bodyIndent($;$)
{
    my $this = shift;
    croak "Bad method call"
        unless ref $this;

@_ ? $this->{'_bindent'} = abs int shift
       : $this->{'_bindent'};
}

sub rightFill($;$)
{
    my $this = shift;
    croak "Bad method call"
        unless ref $this;

@_ ? $this->{'_fill'} = abs int shift
       : $this->{'_fill'};
}

sub rightAlign($;$)
{
    my $this = shift;
    croak "Bad method call"
        unless ref $this;

@_ ? $this->{'_align'} = abs int shift
       : $this->{'_align'};
}

sub justify($;$)
{
    my $this = shift;
    croak "Bad method call"
        unless ref $this;

@_ ? $this->{'_justify'} = abs int shift
       : $this->{'_justify'};
}

sub leftMargin($;$)
{
    my $this = shift;
    croak "Bad method call"
        unless ref $this;

@_ ? $this->{'_lmargin'} = abs int shift
       : $this->{'_lmargin'};
}

sub rightMargin($;$)
{
    my $this = shift;
    croak "Bad method call"
        unless ref $this;

@_ ? $this->{'_rmargin'} = abs int shift
       : $this->{'_rmargin'};
}

sub extraSpace($;$)
{
    my $this = shift;
    croak "Bad method call"
        unless ref $this;

@_ ? $this->{'_space'} = abs int shift
       : $this->{'_space'};
}

# takes a reference to your hash or takes a list of abbreviations,
# returns the INTERNAL abbreviations
sub abbrevs($@)
{
    my $this = shift;
    croak "Bad method call"
        unless ref $this;

if(ref $_[0] eq 'HASH') {
        $this->{'_abbrs'} = shift;
    }
    elsif(@_ > 0) {
        my %tmp;
        @tmp{@_} = @_;
        $this->{'_abbrs'} = \%tmp;
    }

wantarray ? sort keys %abbrev
              : join ' ',sort keys %abbrev;
}

sub text($;$)
{
    my $this = shift;
    croak "Bad method call"
        unless ref $this;
    my $text = shift;

$this->{'_text'} = $text
        if ref $text eq 'ARRAY';

wantarray ? @{$this->{'_text'}}
              : join ' ', @{$this->{'_text'}};
}

sub hangingIndent($;$)
{
    my $this = shift;
    croak "Bad method call"
        unless ref $this;

@_ ? $this->{'_hindent'} = abs int shift
       : $this->{'_hindent'};
}

sub hangingText($;$)
{
    my $this = shift;
    croak "Bad method call"
        unless ref $this;
    my $text = shift;

$this->{'_hindtext'} = $text
        if ref $text eq 'ARRAY';

wantarray ?  @{$this->{'_hindtext'}}
              : join ' ', @{$this->{'_hindtext'}};
}

sub noBreak($;$)
{
    my $this = shift;
    croak "Bad method call"
        unless ref $this;

@_ ? $this->{'_nobreak'} = abs int shift
       : $this->{'_nobreak'};
}

sub noBreakRegex($;$)
{
    my $this = shift;
    croak "Bad method call"
        unless ref $this;
    my $nobreak = shift;

$this->{'_nobreakregex'} = $nobreak
        if ref $nobreak eq 'HASH';

%{$this->{'_nobreakregex'}};
}

# internal routine, should not be called by an external routine
sub __make_line($$$$$)
{
    my $this = shift;
    croak "Bad method call"
        unless ref $this;
    my ($line,$lead_white,$width,$not_last) = @_;
    my $fill = '';
    my $lmargin = ' ' x $this->{'_lmargin'};

$fill = ' ' x ($width - length($line))
        if $this->{'_fill'} && ! $this->{'_align'};
    if($this->{'_justify'} && ! ($this->{'_fill'} || $this->{'_align'})
            && defined $line && $line =~ /\S+\s+\S+/ && $not_last) {
        my $spaces = $width - length($line);
        my @words = split /(\s+)/,$line;
        my $ws = int ($spaces / int (@words / 2)); # for filling all gaps
        $spaces %= int (@words / 2)
            if $ws > 0; # if we must fill between every single word
        for (reverse @words) {
            next
                if /^\S/;
            substr($_,0,0) = ' ' x $ws;
            $spaces || next;
            substr($_,0,0) = ' ';
            --$spaces;
        }
        $line = join '',@words;
    }
    $line = $lmargin . $lead_white . $line . $fill . "\n"
        if defined $line;
    substr($line,0,0) = ' ' x ($this->{'_cols'}
            - $this->{'_rmargin'} - (length($line) - 1))
        if $this->{'_align'} && ! $this->{'_fill'} && defined $line;

$line;
}

# internal routine, should not be called by an external routine
sub __is_abbrev($$)
{
    my $this = shift;
    croak "Bad method call"
        unless ref $this;
    my $word = shift;

$word =~ s/\.$//
        if defined $word; # remove period if there is one
    # if we have an abbreviation OR no extra space is wanted after
    # sentence endings
    return 1
        if ! $this->{'_space'}
            || exists($abbrev{$word}) || exists(${$this->{'_abbrs'}}{$word});

0;
}

# internal routine, should not be called by an external routine
sub __do_break($$$)
{
    my $this = shift;
    croak "Bad method call"
        unless ref $this;
    my ($line,$next_line) = @_;
    my $no_break = 0;
    my @words = split /\s+/,$line
        if defined $line;
    my $last_word = $words[$#words];

for (keys %{$this->{'_nobreakregex'}}) {
        $no_break = 1
            if $last_word =~ m$_
                && $next_line =~ m${$this->{'_nobreakregex'}}{$_};
    }

if($no_break && @words > 1) {
        my $i;
        for($i = $#words;$i > 0;--$i) {
            $no_break = 0;
            for (keys %{$this->{'_nobreakregex'}}) {
                $no_break = 1
                    if $words[$i - 1] =~ m$_
                        && $words[$i] =~
                            m${$this->{'_nobreakregex'}}{$_};
            }
            last
                if ! $no_break;
        }
        if($i > 0) { # found break point
            $line =~ s/((?:\S+\s+){$i})(.+)/$1/;
            $next_line = $2 . ' ' . $next_line;
            $line =~ s/\s+$//;
        }
        # else, no breakpoint found and must break here anyways :<
    }
    ($line,$next_line);
}

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	root/root	0755	2023-08-25 11:53:17
..	dir	-	root/root	0755	2023-08-25 12:05:20
ASCIITable	dir	-	root/root	0755	2023-08-25 11:53:01
CSV	dir	-	root/root	0755	2023-08-25 11:53:16
Diff	dir	-	root/root	0755	2023-08-25 11:52:54
Shellwords	dir	-	root/root	0755	2023-08-25 11:53:17
Table	dir	-	root/root	0755	2023-08-25 11:53:17
Template	dir	-	root/root	0755	2023-08-25 11:52:52
Unidecode	dir	-	root/root	0755	2023-08-25 11:52:59
vFile	dir	-	root/root	0755	2023-08-25 11:52:56
ASCIITable.pm	text/plain	35.68 KB	root/root	0644	2014-03-03 03:40:35
Aligner.pm	text/plain	14.2 KB	root/root	0644	2014-10-19 12:37:27
Autoformat.pm	text/plain	49.88 KB	root/root	0644	2014-01-22 04:22:58
CSV.pm	text/plain	34.64 KB	root/root	0644	2013-06-10 03:12:22
CSV_PP.pm	text/plain	55.08 KB	root/root	0644	2013-06-10 03:12:22
Diff.pm	text/plain	20.79 KB	root/root	0644	2011-04-17 04:17:40
English.pm	text/plain	3.97 KB	root/root	0644	2017-11-30 03:31:54
Format.pm	application/octet-stream	28.83 KB	root/root	0644	2014-02-01 12:17:41
Glob.pm	text/plain	4.51 KB	root/root	0644	2011-02-22 03:08:30
Haml.pm	text/plain	44.5 KB	root/root	0644	2017-01-18 06:39:28
Markdown.pm	text/plain	52.19 KB	root/root	0644	2010-03-20 11:06:51
ParseWords.pm	text/plain	8.09 KB	root/root	0644	2013-03-17 01:02:32
Patch.pm	text/plain	8.75 KB	root/root	0644	2010-10-04 04:16:31
Reform.pm	text/plain	58.99 KB	root/root	0644	2014-01-22 01:27:35
Table.pm	text/plain	40.67 KB	root/root	0644	2019-11-03 07:41:38
Template.pm	text/plain	66.4 KB	root/root	0644	2020-07-03 03:08:00
Unidecode.pm	text/plain	13.64 KB	root/root	0644	2001-07-14 08:29:41
WrapI18N.pm	text/plain	6.22 KB	root/root	0644	2003-06-25 09:14:25

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