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package LatexIndent::HorizontalWhiteSpace;
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# See http://www.gnu.org/licenses/.
#
# Chris Hughes, 2017
#
# For all communication, please visit: https://github.com/cmhughes/latexindent.pl
use strict;
use warnings;
use LatexIndent::GetYamlSettings qw/%masterSettings/;
use LatexIndent::Switches qw/$is_t_switch_active $is_tt_switch_active/;
use Exporter qw/import/;
our @EXPORT_OK = qw/remove_trailing_whitespace remove_leading_space/;
sub remove_trailing_whitespace{
my $self = shift;
my %input = @_;
# this method can be called before the indendation, and after, depending upon the input
if($input{when} eq "before"){
return unless(${$masterSettings{removeTrailingWhitespace}}{beforeProcessing});
$self->logger("Removing trailing white space *before* the document is processed (see removeTrailingWhitespace: beforeProcessing)",'heading') if $is_t_switch_active;
} elsif($input{when} eq "after"){
return unless(${$masterSettings{removeTrailingWhitespace}}{afterProcessing});
$self->logger("Removing trailing white space *after* the document is processed (see removeTrailingWhitespace: afterProcessing)",'heading') if $is_t_switch_active;
} else {
return;
}
${$self}{body} =~ s/
\h+ # followed by possible horizontal space
$ # up to the end of a line
//xsmg;
$self->logger("Processed body, *$input{when}* indentation (${$self}{name}):") if($is_t_switch_active);
$self->logger(${$self}{body}) if($is_t_switch_active);
}
sub remove_leading_space{
my $self = shift;
$self->logger("Removing leading space from ${$self}{name} (verbatim/noindentblock already accounted for)",'heading') if $is_t_switch_active;
${$self}{body} =~ s/
(
^ # beginning of the line
\h* # with 0 or more horizontal spaces
)? # possibly
//mxg;
return;
}
1;
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