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package LatexIndent::DoubleBackSlash;
# 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::Switches qw/$is_t_switch_active $is_tt_switch_active/;
use LatexIndent::Tokens qw/%tokens/;
use Exporter qw/import/;
our @EXPORT_OK = qw/dodge_double_backslash un_dodge_double_backslash/;
# some code can contain, e.g
# cycle list={blue,mark=none\\},
# see test-cases/texexchange/29293-christian-feuersanger.tex
#
# This is problematic, as the argument regexp won't count the right } because it has a
# backslash immediately infront of it!
sub dodge_double_backslash {
my $self = shift;
${$self}{body} =~ s/(?:\\\\(\{|\}|\]))/$tokens{doubleBackSlash}$1/sg;
return;
}
# this routine replaces the token with the \\\\
sub un_dodge_double_backslash {
my $self = shift;
${$self}{body} =~ s/$tokens{doubleBackSlash}/\\\\/sg;
return;
}
1;
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