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package LatexIndent::KeyEqualsValuesBraces;
# 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::Tokens qw/%tokens/;
use LatexIndent::TrailingComments qw/$trailingCommentRegExp/;
use LatexIndent::Switches qw/$is_m_switch_active/;
use LatexIndent::Switches qw/$is_t_switch_active $is_tt_switch_active/;
use Data::Dumper;
use Exporter qw/import/;
our @ISA = "LatexIndent::Command"; # class inheritance, Programming Perl, pg 321
our @EXPORT_OK = qw/construct_key_equals_values_regexp $key_equals_values_bracesRegExp $key_equals_values_bracesRegExpTrailingComment/;
our $key_equals_values_braces_Counter;
our $key_equals_values_bracesRegExp;
our $key_equals_values_bracesRegExpTrailingComment;
sub construct_key_equals_values_regexp{
my $self = shift;
# grab the arguments regexp
my $optAndMandRegExp = $self->get_arguments_regexp;
# blank line token
my $blankLineToken = $tokens{blanklines};
# store the regular expresssion for matching and replacing
$key_equals_values_bracesRegExp = qr/
(
(?:
(?:(?<!\\)\{)
|
,
|
(?:(?<!\\)\[)
)
(?:\h|\R|$blankLineToken|$trailingCommentRegExp)*
) # $1 pre-key bit: could be { OR , OR [
(\\)? # $2 possible backslash
(
[a-zA-Z@\*0-9_\/.\h\{\}:\#-]+? # lowercase|uppercase letters, @, *, numbers, forward slash, dots
) # $3 name
(
(?:\h|\R|$blankLineToken|$trailingCommentRegExp)*
=\h*
(?:\d*\:?)
) # $4 = symbol
(\R*)? # $5 linebreak after =
($optAndMandRegExp) # $6 opt|mand arguments
(\R)? # $9 linebreak at end
/sx;
$key_equals_values_bracesRegExpTrailingComment = qr/$key_equals_values_bracesRegExp(\h*)((?:$trailingCommentRegExp\h*)*)?/;
}
sub indent_begin{
my $self = shift;
# blank line token
my $blankLineToken = $tokens{blanklines};
if(${$self}{begin} =~ /\R=/s or ${$self}{begin} =~ /$blankLineToken\h*=/s ){
$self->logger("= found on own line in ${$self}{name}, adding indentation") if $is_t_switch_active;
${$self}{begin} =~ s/=/${$self}{indentation}=/s;
}
}
sub check_linebreaks_before_equals{
# check if -m switch is active
return unless $is_m_switch_active;
my $self = shift;
# linebreaks *infront* of = symbol
if(${$self}{begin} =~ /\R\h*=/s){
if(defined ${$self}{EqualsStartsOnOwnLine} and ${$self}{EqualsStartsOnOwnLine}==-1){
$self->logger("Removing linebreak before = symbol in ${$self}{name} (see EqualsStartsOnOwnLine)") if $is_t_switch_active;
${$self}{begin} =~ s/(\R|\h)*=/=/s;
}
} else {
if(defined ${$self}{EqualsStartsOnOwnLine} and ${$self}{EqualsStartsOnOwnLine}==1){
$self->logger("Adding a linebreak before = symbol for ${$self}{name} (see EqualsStartsOnOwnLine)") if $is_t_switch_active;
${$self}{begin} =~ s/=/\n=/s;
} elsif(defined ${$self}{EqualsStartsOnOwnLine} and ${$self}{EqualsStartsOnOwnLine}==2){
$self->logger("Adding a % linebreak immediately before = symbol for ${$self}{name} (see EqualsStartsOnOwnLine)") if $is_t_switch_active;
${$self}{begin} =~ s/\h*=/%\n=/s;
}
}
return;
}
sub create_unique_id{
my $self = shift;
$key_equals_values_braces_Counter++;
${$self}{id} = "$tokens{key_equals_values_braces}$key_equals_values_braces_Counter";
return;
}
sub get_replacement_text{
my $self = shift;
# the replacement text for a key = {value} needes to accomodate the leading [ OR { OR % OR , OR any combination thereof
$self->logger("Custom replacement text routine for ${$self}{name}") if $is_t_switch_active;
${$self}{replacementText} = ${$self}{beginningbit}.${$self}{id};
delete ${$self}{beginningbit};
}
1;
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