1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
|
package LatexIndent::Verbatim;
# 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 Data::Dumper;
use Exporter qw/import/;
use LatexIndent::Tokens qw/%tokens/;
use LatexIndent::GetYamlSettings qw/%masterSettings/;
use LatexIndent::Switches qw/$is_t_switch_active $is_tt_switch_active $is_m_switch_active/;
use LatexIndent::LogFile qw/$logger/;
our @EXPORT_OK = qw/put_verbatim_back_in find_verbatim_environments find_noindent_block find_verbatim_commands put_verbatim_commands_back_in find_verbatim_special/;
our @ISA = "LatexIndent::Document"; # class inheritance, Programming Perl, pg 321
our $verbatimCounter;
sub find_noindent_block{
my $self = shift;
# noindent block
$logger->trace('*Searching for NOINDENTBLOCk environments (see noIndentBlock)') if $is_t_switch_active;
$logger->trace(Dumper(\%{$masterSettings{noIndentBlock}})) if($is_tt_switch_active);
while( my ($noIndentBlock,$yesno)= each %{$masterSettings{noIndentBlock}}){
if($yesno){
$logger->trace("looking for $noIndentBlock:$yesno environments") if $is_t_switch_active;
(my $noIndentBlockSpec = $noIndentBlock) =~ s/\*/\\*/sg;
my $noIndentRegExp = qr/
(
(?!<\\)
%
\h* # possible horizontal spaces
\\begin\{
$noIndentBlockSpec # environment name captured into $2
\} # % \begin{noindentblock} statement
)
(
.*?
) # non-greedy match (body)
(
(?!<\\)
% # %
\h* # possible horizontal spaces
\\end\{$noIndentBlockSpec\} # \end{noindentblock}
) # % \end{<something>} statement
/sx;
while( ${$self}{body} =~ m/$noIndentRegExp/sx){
# create a new Environment object
my $noIndentBlockObj = LatexIndent::Verbatim->new( begin=>$1,
body=>$2,
end=>$3,
name=>$noIndentBlock,
);
# give unique id
$noIndentBlockObj->create_unique_id;
# verbatim children go in special hash
${$self}{verbatim}{${$noIndentBlockObj}{id}}=$noIndentBlockObj;
# log file output
$logger->trace("*NOINDENTBLOCK environment found: $noIndentBlock") if $is_t_switch_active;
# remove the environment block, and replace with unique ID
${$self}{body} =~ s/$noIndentRegExp/${$noIndentBlockObj}{id}/sx;
$logger->trace("replaced with ID: ${$noIndentBlockObj}{id}") if $is_t_switch_active;
# possible decoration in log file
$logger->trace(${$masterSettings{logFilePreferences}}{showDecorationFinishCodeBlockTrace}) if ${$masterSettings{logFilePreferences}}{showDecorationFinishCodeBlockTrace};
}
} else {
$logger->trace("*not* looking for $noIndentBlock as $noIndentBlock:$yesno") if $is_t_switch_active;
}
}
return;
}
sub find_verbatim_environments{
my $self = shift;
# verbatim environments
$logger->trace('*Searching for VERBATIM environments (see verbatimEnvironments)') if $is_t_switch_active;
$logger->trace(Dumper(\%{$masterSettings{verbatimEnvironments}})) if($is_tt_switch_active);
while( my ($verbEnv,$yesno)= each %{$masterSettings{verbatimEnvironments}}){
if($yesno){
$logger->trace("looking for $verbEnv:$yesno environments") if $is_t_switch_active;
(my $verbEnvSpec = $verbEnv) =~ s/\*/\\*/sg;
my $verbatimRegExp = qr/
(
\\begin\{
$verbEnvSpec # environment name captured into $1
\} # \begin{<something>} statement
)
(
.*?
) # any character, but not \\begin
(
\\end\{$verbEnvSpec\} # \end{<something>} statement
)
/sx;
while( ${$self}{body} =~ m/$verbatimRegExp/sx){
# create a new Environment object
my $verbatimBlock = LatexIndent::Verbatim->new( begin=>$1,
body=>$2,
end=>$3,
name=>$verbEnv,
);
# give unique id
$verbatimBlock->create_unique_id;
# verbatim children go in special hash
${$self}{verbatim}{${$verbatimBlock}{id}}=$verbatimBlock;
# log file output
$logger->trace("*VERBATIM environment found: $verbEnv") if $is_t_switch_active;
# remove the environment block, and replace with unique ID
${$self}{body} =~ s/$verbatimRegExp/${$verbatimBlock}{id}/sx;
$logger->trace("replaced with ID: ${$verbatimBlock}{id}") if $is_t_switch_active;
# possible decoration in log file
$logger->trace(${$masterSettings{logFilePreferences}}{showDecorationFinishCodeBlockTrace}) if ${$masterSettings{logFilePreferences}}{showDecorationFinishCodeBlockTrace};
}
} else {
$logger->trace("*not* looking for $verbEnv as $verbEnv:$yesno") if $is_t_switch_active;
}
}
return;
}
sub find_verbatim_commands{
my $self = shift;
# verbatim commands need to be treated separately to verbatim environments;
# note that, for example, we could quite reasonably have \lstinline!%!, which
# would need to be found *before* trailing comments have been removed. Similarly,
# verbatim commands need to be put back in *after* trailing comments have been put
# back in
$logger->trace('*Searching for VERBATIM commands (see verbatimCommands)') if $is_t_switch_active;
$logger->trace(Dumper(\%{$masterSettings{verbatimCommands}})) if($is_tt_switch_active);
while( my ($verbCommand,$yesno)= each %{$masterSettings{verbatimCommands}}){
if($yesno){
$logger->trace("looking for $verbCommand:$yesno Commands") if $is_t_switch_active;
my $verbatimCommandRegExp = qr/
(
\\$verbCommand
\h*
) # name of command into $1
(
\[
(?:
(?!
(?:(?<!\\)\[)
).
)*? # not including [, but \[ ok
(?<!\\) # not immediately pre-ceeded by \
\] # [optional arguments]
\h*
)? # opt arg into $2
(
.
) # delimiter into $3
(
.*?
) # body into $4
\3
/mx;
while( ${$self}{body} =~ m/$verbatimCommandRegExp/){
# create a new Environment object
my $verbatimCommand = LatexIndent::Verbatim->new( begin=>$1.($2?$2:q()).$3,
body=>$4,
end=>$3,
name=>$verbCommand,
optArg=>$2?$2:q(),
);
# give unique id
$verbatimCommand->create_unique_id;
# output, if desired
$logger->trace(Dumper($verbatimCommand),'ttrace') if($is_tt_switch_active);
# verbatim children go in special hash
${$self}{verbatimCommands}{${$verbatimCommand}{id}}=$verbatimCommand;
# log file output
$logger->trace("*VERBATIM command found: $verbCommand") if $is_t_switch_active;
# remove the environment block, and replace with unique ID
${$self}{body} =~ s/$verbatimCommandRegExp/${$verbatimCommand}{id}/sx;
$logger->trace("replaced with ID: ${$verbatimCommand}{id}") if $is_t_switch_active;
# possible decoration in log file
$logger->trace(${$masterSettings{logFilePreferences}}{showDecorationFinishCodeBlockTrace}) if ${$masterSettings{logFilePreferences}}{showDecorationFinishCodeBlockTrace};
}
} else {
$logger->trace("*not* looking for $verbCommand as $verbCommand:$yesno") if $is_t_switch_active;
}
}
return;
}
sub put_verbatim_back_in {
my $self = shift;
# if there are no verbatim children, return
return unless(${$self}{verbatim});
# search for environments/commands
$logger->trace('*Putting verbatim back in, here is the pre-processed body:') if $is_tt_switch_active;
$logger->trace(${$self}{body}) if($is_tt_switch_active);
# loop through document children hash
while( (scalar keys %{${$self}{verbatim}})>0 ){
while( my ($key,$child)= each %{${$self}{verbatim}}){
if(${$self}{body} =~ m/${$child}{id}/mx){
# replace ids with body
${$self}{body} =~ s/${$child}{id}/${$child}{begin}${$child}{body}${$child}{end}/;
# log file info
$logger->trace('Body now looks like:') if $is_tt_switch_active;
$logger->trace(${$self}{body},'ttrace') if($is_tt_switch_active);
# delete the hash so it won't be operated upon again
delete ${$self}{verbatim}{${$child}{id}};
} elsif ($is_m_switch_active and ${$masterSettings{modifyLineBreaks}{textWrapOptions}}{columns}>1 and ${$self}{body} !~ m/${$child}{id}/){
$logger->trace("${$child}{id} not found in body using /m matching, it may have been split across line (see modifyLineBreaks: textWrapOptions)") if($is_t_switch_active);
# search for a version of the verbatim ID that may have line breaks
my $verbatimIDwithLineBreaks = join("\\R?",split(//,${$child}{id}));
my $verbatimIDwithLineBreaksRegExp = qr/$verbatimIDwithLineBreaks/s;
# replace the line-broken verbatim ID with a non-broken verbatim ID
${$self}{body} =~ s/$verbatimIDwithLineBreaksRegExp/${$child}{id}/s;
}
}
}
# logfile info
$logger->trace('*Post-processed body:') if $is_tt_switch_active;
$logger->trace(${$self}{body}) if($is_tt_switch_active);
return;
}
sub put_verbatim_commands_back_in {
my $self = shift;
# if there are no verbatim children, return
return unless(${$self}{verbatimCommands});
# search for environments/commands
$logger->trace('*Putting verbatim commands back in, here is the pre-processed body:') if $is_tt_switch_active;
$logger->trace(${$self}{body}) if($is_tt_switch_active);
# loop through document children hash
while( (scalar keys %{${$self}{verbatimCommands}})>0 ){
while( my ($key,$child)= each %{${$self}{verbatimCommands}}){
if(${$self}{body} =~ m/${$child}{id}/mx){
# replace ids with body
${$self}{body} =~ s/${$child}{id}/${$child}{begin}${$child}{body}${$child}{end}/;
# log file info
$logger->trace('Body now looks like:') if $is_tt_switch_active;
$logger->trace(${$self}{body},'ttrace') if($is_tt_switch_active);
# delete the hash so it won't be operated upon again
delete ${$self}{verbatimCommands}{${$child}{id}};
} elsif ($is_m_switch_active and ${$masterSettings{modifyLineBreaks}{textWrapOptions}}{columns}>1 and ${$self}{body} !~ m/${$child}{id}/){
$logger->trace("${$child}{id} not found in body using /m matching, it may have been split across line (see modifyLineBreaks: textWrapOptions)") if($is_t_switch_active);
# search for a version of the verbatim ID that may have line breaks
my $verbatimIDwithLineBreaks = join("\\R?",split(//,${$child}{id}));
my $verbatimIDwithLineBreaksRegExp = qr/$verbatimIDwithLineBreaks/s;
# replace the line-broken verbatim ID with a non-broken verbatim ID
${$self}{body} =~ s/$verbatimIDwithLineBreaksRegExp/${$child}{id}/s;
}
}
}
# logfile info
$logger->trace('*Post-processed body:') if $is_tt_switch_active;
$logger->trace(${$self}{body}) if($is_tt_switch_active);
return;
}
sub find_verbatim_special{
my $self = shift;
# loop through specialBeginEnd
while( my ($specialName,$BeginEnd)= each %{$masterSettings{specialBeginEnd}}){
# only classify special Verbatim if lookForThis is 'verbatim'
if( (ref($BeginEnd) eq "HASH") and ${$BeginEnd}{lookForThis}=~m/v/s and ${$BeginEnd}{lookForThis} eq 'verbatim'){
$logger->trace('*Searching for VERBATIM special (see specialBeginEnd)') if $is_t_switch_active;
my $verbatimRegExp = qr/
(
${$BeginEnd}{begin}
)
(
.*?
)
(
${$BeginEnd}{end}
)
/sx;
while( ${$self}{body} =~ m/$verbatimRegExp/sx){
# create a new Environment object
my $verbatimBlock = LatexIndent::Verbatim->new( begin=>$1,
body=>$2,
end=>$3,
name=>$specialName,
);
# give unique id
$verbatimBlock->create_unique_id;
# verbatim children go in special hash
${$self}{verbatim}{${$verbatimBlock}{id}}=$verbatimBlock;
# log file output
$logger->trace("*VERBATIM special found: $specialName") if $is_t_switch_active;
# remove the special block, and replace with unique ID
${$self}{body} =~ s/$verbatimRegExp/${$verbatimBlock}{id}/sx;
$logger->trace("replaced with ID: ${$verbatimBlock}{id}") if $is_t_switch_active;
# possible decoration in log file
$logger->trace(${$masterSettings{logFilePreferences}}{showDecorationFinishCodeBlockTrace}) if ${$masterSettings{logFilePreferences}}{showDecorationFinishCodeBlockTrace};
}
}
}
}
sub create_unique_id{
my $self = shift;
$verbatimCounter++;
${$self}{id} = "$tokens{verbatim}$verbatimCounter$tokens{endOfToken}";
return;
}
1;
|