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Add config option to provide names for lstinline-like commands #126

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Add config option to provide names for lstinline-like commands #126

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81ced1f
Add config option to provide names for lstinline-like commands
jprotze Nov 7, 2017
4d2f6cf
Inline verbatim / lstinline should be single-line, so remove multilin…
jprotze Nov 10, 2017
82b7b63
Remove superflous replacing, addressing comment by Frederik
jprotze Nov 10, 2017
d87f7a2
Marking inline-code in comments is handled in the late postprocessing…
jprotze Nov 10, 2017
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38 changes: 25 additions & 13 deletions latexdiff
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Original file line number Diff line number Diff line change
Expand Up @@ -206,6 +206,7 @@ my %CONFIG=(
LISTENV => undef , # list making environments - they will generally be kept
VERBATIMENV => undef, # Environments whose content should be treated as verbatim text and not be touched
VERBATIMLINEENV => undef, # Environments whose content should be treated as verbatim text and processed in line diff mode
LSTINLINEENV => undef,# Environments whose content should be treated as lstinline text and processed as lstinline
ITEMCMD => 'item' # command marking item in a list environment
);
# Configuration variables: these have to be visible from the subroutines
Expand All @@ -222,7 +223,8 @@ my ($ARRENV,
$PICTUREENV,
$SCALEDELGRAPHICS,
$VERBATIMENV,
$VERBATIMLINEENV
$VERBATIMLINEENV,
$LSTINLINEENV
);

# my $MINWORDSBLOCK=3; # minimum number of tokens to form an independent block
Expand Down Expand Up @@ -623,6 +625,7 @@ foreach ( keys(%CONFIG) ) {
elsif ( $_ eq "ARRENV" ) { $ARRENV = liststringtoregex($CONFIG{$_}) ; }
elsif ( $_ eq "VERBATIMENV" ) { $VERBATIMENV = liststringtoregex($CONFIG{$_}) ; }
elsif ( $_ eq "VERBATIMLINEENV" ) { $VERBATIMLINEENV = liststringtoregex($CONFIG{$_}) ; }
elsif ( $_ eq "LSTINLINEENV" ) { $LSTINLINEENV = liststringtoregex($CONFIG{$_}) ; }
elsif ( $_ eq "COUNTERCMD" ) { $COUNTERCMD = liststringtoregex($CONFIG{$_}) ; }
elsif ( $_ eq "SCALEDELGRAPHICS" ) { $SCALEDELGRAPHICS = $CONFIG{$_} ; }
else { die "Unknown configuration variable $_.";}
Expand Down Expand Up @@ -1302,6 +1305,7 @@ sub show_configuration {
print "SCALEDELGRAPHICS=$SCALEDELGRAPHICS\n";
print "VERBATIMENV=$VERBATIMENV\n";
print "VERBATIMLINEENV=$VERBATIMLINEENV\n";
print "LSTINLINEENV=$LSTINLINEENV\n";
}
}

Expand Down Expand Up @@ -2419,9 +2423,10 @@ sub preprocess {
# transform \lstinline{...}
# s/\\lstinline(\[$brat0\])?(\{(?:.*?)\})/"\\DIFlstinline". $1 ."{". tohash(\%verbhash,"$2") ."}"/esg;
# s/\\lstinline(\[$brat0\])?((\S).*?\2)/"\\DIFlstinline". $1 ."{". tohash(\%verbhash,"$2") ."}"/esg;
s/\\lstinline((?:\[$brat_n\])?)(\{(?:.*?)\})/"\\DIFlstinline". $1 ."{". tohash(\%verbhash,"$2") ."}"/esg;
s/\\lstinline((?:\[$brat_n\])?)(([^\s\w]).*?\3)/"\\DIFlstinline". $1 ."{". tohash(\%verbhash,"$2") ."}"/esg;
s/\\(verb\*?|lstinline)([^\s\w])(.*?)\2/"\\DIF${1}{". tohash(\%verbhash,"${2}${3}${2}") ."}"/esg;

s/\\($LSTINLINEENV)((?:\[$brat_n\])?)(\{(?:.*?)\})/"\\DIF${1}". $2 ."{". tohash(\%verbhash,"$3") ."}"/eg;
s/\\($LSTINLINEENV)((?:\[$brat_n\])?)(([^\s\w]).*?\3)/"\\DIF${1}". $2 ."{". tohash(\%verbhash,"$3") ."}"/eg;
s/\\(verb\*?|$LSTINLINEENV)([^\s\w])(.*?)\2/"\\DIF${1}{". tohash(\%verbhash,"${2}${3}${2}") ."}"/eg;

# Change \{ to \QLEFTBRACE, \} to \QRIGHTBRACE, and \& to \AMPERSAND
### print STDERR "Preprocess 0\n" if $debug;
Expand Down Expand Up @@ -2812,7 +2817,7 @@ sub postprocess {
### $delblock =~ s/\\DIFlstinline/\\DIFDIFdellstinline/g;
###}
# Mark deleted verbose commands
$delblock =~ s/(${DELCMDOPEN}\\DIF((?:verb\*?|lstinline(?:\[$brat_n\])?)\{([-\d]*?)\}\s*).*)$/%\n\\DIFDIFdel$2${AUXCMD}\n$1/gm;
$delblock =~ s/(${DELCMDOPEN}\\DIF((?:verb\*?|$LSTINLINEENV(?:\[$brat_n\])?)\{([-\d]*?)\}\s*).*)$/%\n\\DIFDIFdel$2${AUXCMD}\n$1/gm;

# splice in modified delblock
substr($_,$begin,$len)=$delblock;
Expand Down Expand Up @@ -2855,7 +2860,7 @@ sub postprocess {
###if ( defined($packages{"listings"} and $latexdiffpreamble =~ /\\RequirePackage(?:\[$brat0\])?\{color\}/)) {
# mark added verbatim commands
$addblock =~ s/\\DIFverb/\\DIFDIFaddverb/g;
$addblock =~ s/\\DIFlstinline/\\DIFDIFaddlstinline/g;
$addblock =~ s/\\DIF($LSTINLINEENV)/\\DIFDIFadd$1/g;
###}
# splice in modified addblock
substr($_,$begin,$len)=$addblock;
Expand Down Expand Up @@ -2991,7 +2996,7 @@ sub postprocess {
(\Q$DELCMDOPEN\E\\begin\{($VERBATIMLINEENV)\}(\Q$extraspace\E(?:\[$brat_n\])?\s*)(?:\n|\Q$DELCMDOPEN\E)*\Q$DELCMDCLOSE\E)
# Interior of deleted verbatim environment should consist entirely of delete DIFVRB comments, i.e. match only lines beginning with % DIF < DIFVRB
# Captures: $4: all lines combined
((?:\%\Q$DELCOMMENT$VERBCOMMENT\E.*?\n)*)
((?:\%\Q$DELCOMMENT$VERBCOMMENT\E[^\n]*?\n)*)
# Deleted \end command of verbatim environment. Note that the type is forced to match the opening. Captures: $5: Whole deleted environment
(\Q$DELCMDOPEN\E\\end\{\2\}(?:\n|\s|\Q$DELCMDOPEN\E)*\Q$DELCMDCLOSE\E)
/ # Substitution part
Expand Down Expand Up @@ -3068,23 +3073,25 @@ sub postprocess {
1 while s/(%.*)\\CRIGHTBRACE (.*)$/$1\}$2/mg ;
1 while s/(%.*)\\CLEFTBRACE (.*)$/$1\{$2/mg ;


# Change \QLEFTBRACE, \QRIGHTBRACE to \{,\}
s/\\QLEFTBRACE /\\\{/sg;
s/\\QRIGHTBRACE /\\\}/sg;
s/\\AMPERSAND /\\&/sg;
# Highligh added inline verbatim commands if possible
if ( $latexdiffpreamble =~ /\\RequirePackage(?:\[$brat_n\])?\{color\}/ ) {
# if there is inline-code in a comment, the comment is already marked to be different. No color coding in this case.
1 while s/(\%.*)\\DIFDIF(?:add|del)(verb\*?|$LSTINLINEENV)/$1\\DIF$2/mg;
# wrap added verb commands with color commands
s/\\DIFDIFadd((?:verb\*?|lstinline(?:\[$brat_n\])?)\{[-\d]*?\}[\s\n]*)/\{\\color{blue}$AUXCMD\n\\DIF$1%\n\}$AUXCMD\n/sg;
s/\\DIFDIFdel((?:verb\*?|lstinline(?:\[$brat_n\])?)\{[-\d]*?\}[\s\n]*$AUXCMD)/\{\\color{red}${AUXCMD}\n\\DIF$1\n\}${AUXCMD}/sg;
s/\\DIFDIFadd((?:verb\*?|$LSTINLINEENV(?:\[$brat_n\])?)\{[-\d]*?\}[\s\n]*)/\{\\color{blue}$AUXCMD\n\\DIF$1%\n\}$AUXCMD\n/g;
s/\\DIFDIFdel((?:verb\*?|$LSTINLINEENV(?:\[$brat_n\])?)\{[-\d]*?\}[\s\n]*$AUXCMD)/\{\\color{red}${AUXCMD}\n\\DIF$1\n\}${AUXCMD}/g;
} else {
# currently if colour markup is not used just remove the added mark
s/\\DIFDIFadd(verb\*?|lstinline)/\\DIF$1/sg;
s/\\DIFDIFdel((?:verb\*?|lstinline(?:\[$brat_n\])?)\{[-\d]*?\}[\s\n]*$AUXCMD\n)//sg;
s/\\DIFDIFadd(verb\*?|$LSTINLINEENV)/\\DIF$1/g;
s/\\DIFDIFdel((?:verb\*?|$LSTINLINEENV(?:\[$brat_n\])?)\{[-\d]*?\}[\s\n]*$AUXCMD\n)//g;
}
# expand \verb and friends inline arguments
s/\\DIF((?:DIFadd|DIFdel)?(?:verb\*?|lstinline(?:\[$brat_n\])?))\{([-\d]*?)\}/"\\${1}". fromhash(\%verbhash,$2)/esg;
# make sure to unpack nested inline-verb ;)
1 while s/\\DIF((?:DIFadd|DIFdel)?(?:verb\*?|$LSTINLINEENV(?:\[$brat_n\])?))\{([-\d]*?)\}/"\\${1}". fromhash(\%verbhash,$2)/meg;
# add basicstyle color{blue} to added lstinline commands
# finally add the comment to the ones not having an optional argument before
###s/\\DIFaddlstinline(?!\[)/\\lstinline\n[basicstyle=\\color{blue}]$AUXCMD\n/g;
Expand Down Expand Up @@ -3530,6 +3537,7 @@ be real files (not pipes or similar) as they are opened twice.
SCALEDELGRAPHICS (Float)
VERBATIMENV (RegEx)
VERBATIMLINEENV (RegEx)
LSTINLINEENV (RegEx)
This option can be repeated.

--add-to-config varenv1=pattern1,varenv2=pattern2
Expand Down Expand Up @@ -4840,6 +4848,10 @@ lstlisting
verbatim[*]?
%%END VERBATIMLINEENV CONFIG

%%BEGIN LSTINLINEENV CONFIG
lstinline
%%END LSTINLINEENV CONFIG

%%% TYPES (Commands for highlighting changed blocks)

%DIF UNDERLINE PREAMBLE
Expand Down