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#! /usr/bin/perl
# grog - guess options for groff command
# Inspired by doctype script in Kernighan & Pike, Unix Programming
# Environment, pp 306-8.
# Source file position: <groff-source>/src/roff/grog/subs.pl
# Installed position: <prefix>/lib/grog/subs.pl
# Copyright (C) 1993-2018 Free Software Foundation, Inc.
# This file was split from grog.pl and put under GPL2 by
# Bernd Warken <groff-bernd.warken-72@web.de>.
# The macros for identifying the devices were taken from Ralph
# Corderoy's 'grog.sh' of 2006.
# Last update: 10 Sep 2015
# This file is part of 'grog', which is part of 'groff'.
# 'groff' 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 2 of the License, or
# (at your option) any later version.
# 'groff' 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.
# You can get the license text for the GNU General Public License
# version 2 in the internet at
# <http://www.gnu.org/licenses/gpl-2.0.html>.
########################################################################
require v5.6;
use warnings;
use strict;
use File::Spec;
# printing of hashes: my %hash = ...; print Dumper(\%hash);
use Data::Dumper;
# for running shell based programs within Perl; use `` instead of
# use IPC::System::Simple qw(capture capturex run runx system systemx);
$\ = "\n";
# my $Sp = "[\\s\\n]";
# my $Sp = qr([\s\n]);
# my $Sp = '' if $arg eq '-C';
my $Sp = '';
# from 'src/roff/groff/groff.cpp' near 'getopt_long'
my $groff_opts =
'abcCd:D:eEf:F:gGhiI:jJkK:lL:m:M:n:No:pP:r:RsStT:UvVw:W:XzZ';
my @Command = (); # stores the final output
my @Mparams = (); # stores the options '-m*'
my @devices = (); # stores -T
my $do_run = 0; # run generated 'groff' command
my $pdf_with_ligatures = 0; # '-P-y -PU' for 'pdf' device
my $with_warnings = 0;
my $Prog = $0;
{
my ($v, $d, $f) = File::Spec->splitpath($Prog);
$Prog = $f;
}
my %macros;
my %Groff =
(
# preprocessors
'chem' => 0,
'eqn' => 0,
'gperl' => 0,
'grap' => 0,
'grn' => 0,
'gideal' => 0,
'gpinyin' => 0,
'lilypond' => 0,
'pic' => 0,
'PS' => 0, # opening for pic
'PF' => 0, # alternative opening for pic
'PE' => 0, # closing for pic
'refer' => 0,
'refer_open' => 0,
'refer_close' => 0,
'soelim' => 0,
'tbl' => 0,
# tmacs
# 'man' => 0,
# 'mandoc' => 0,
# 'mdoc' => 0,
# 'mdoc_old' => 0,
# 'me' => 0,
# 'mm' => 0,
# 'mom' => 0,
# 'ms' => 0,
# requests
'AB' => 0, # ms
'AE' => 0, # ms
'AI' => 0, # ms
'AU' => 0, # ms
'NH' => 0, # ms
'TH_later' => 0, # TH not 1st command is ms
'TL' => 0, # ms
'UL' => 0, # ms
'XP' => 0, # ms
'IP' => 0, # man and ms
'LP' => 0, # man and ms
'P' => 0, # man and ms
'PP' => 0, # man and ms
'SH' => 0, # man and ms
'OP' => 0, # man
'SS' => 0, # man
'SY' => 0, # man
'TH_first' => 0, # TH as 1st command is man
'TP' => 0, # man
'UR' => 0, # man
'YS' => 0, # man
# for mdoc and mdoc-old
# .Oo and .Oc for modern mdoc, only .Oo for mdoc-old
'Oo' => 0, # mdoc and mdoc-old
'Oc' => 0, # mdoc
'Dd' => 0, # mdoc
); # end of %Groff
# for first line check
my %preprocs_tmacs =
(
'chem' => 0,
'eqn' => 0,
'gideal' => 0,
'gpinyin' => 0,
'grap' => 0,
'grn' => 0,
'pic' => 0,
'refer' => 0,
'soelim' => 0,
'tbl' => 0,
'geqn' => 0,
'gpic' => 0,
'neqn' => 0,
'man' => 0,
'mandoc' => 0,
'mdoc' => 0,
'mdoc-old' => 0,
'me' => 0,
'mm' => 0,
'mom' => 0,
'ms' => 0,
);
my @filespec;
my $tmac_ext = '';
########################################################################
# err()
########################################################################
sub err {
my $text = shift;
print STDERR $text;
}
########################################################################
# handle_args()
########################################################################
sub handle_args {
my $double_minus = 0;
my $was_minus = 0;
my $was_T = 0;
my $optarg = 0;
# globals: @filespec, @Command, @devices, @Mparams
foreach my $arg (@ARGV) {
if ( $optarg ) {
push @Command, $arg;
$optarg = 0;
next;
}
if ( $double_minus ) {
if (-f $arg && -r $arg) {
push @filespec, $arg;
} else {
print STDERR __FILE__ . ' ' . __LINE__ . ': ' .
"grog: $arg is not a readable file.";
}
next;
}
if ( $was_T ) {
push @devices, $arg;
$was_T = 0;
next;
}
####### handle_args()
unless ( $arg =~ /^-/ ) { # file name, no opt, no optarg
unless (-f $arg && -r $arg) {
print 'unknown file name: ' . $arg;
}
push @filespec, $arg;
next;
}
# now $arg starts with '-'
if ($arg eq '-') {
unless ($was_minus) {
push @filespec, $arg;
$was_minus = 1;
}
next;
}
if ($arg eq '--') {
$double_minus = 1;
push(@filespec, $arg);
next;
}
&version() if $arg =~ /^--?v/; # --version, with exit
&help() if $arg =~ /--?h/; # --help, with exit
if ( $arg =~ /^--r/ ) { # --run, no exit
$do_run = 1;
next;
}
if ( $arg =~ /^--wa/ ) { # --warnings, no exit
$with_warnings = 1;
next;
}
####### handle_args()
if ( $arg =~ /^--(wi|l)/ ) { # --ligatures, no exit
# the old --with_ligatures is only kept for compatibility
$pdf_with_ligatures = 1;
next;
}
if ($arg =~ /^-m/) {
push @Mparams, $arg;
next;
}
if ($arg =~ /^-T$/) {
$was_T = 1;
next;
}
if ($arg =~ s/^-T(\w+)$/$1/) {
push @devices, $1;
next;
}
if ($arg =~ /^-(\w)(\w*)$/) { # maybe a groff option
my $opt_char = $1;
my $opt_char_with_arg = $opt_char . ':';
my $others = $2;
if ( $groff_opts =~ /$opt_char_with_arg/ ) { # groff optarg
if ( $others ) { # optarg is here
push @Command, '-' . $opt_char;
push @Command, '-' . $others;
next;
}
# next arg is optarg
$optarg = 1;
next;
####### handle_args()
} elsif ( $groff_opts =~ /$opt_char/ ) { # groff no optarg
push @Command, '-' . $opt_char;
if ( $others ) { # $others is now an opt collection
$arg = '-' . $others;
redo;
}
# arg finished
next;
} else { # not a groff opt
print STDERR __FILE__ . ' ' . __LINE__ . ': ' .
'unknown argument ' . $arg;
push(@Command, $arg);
next;
}
}
}
@filespec = ('-') unless (@filespec);
} # handle_args()
########################################################################
# handle_file_ext()
########################################################################
sub handle_file_ext {
# get tmac from file name extension
# output number of found single tmac
# globals: @filespec, $tmac_ext;
foreach my $file ( @filespec ) {
# test for each file name in the arguments
unless ( open(FILE, $file eq "-" ? $file : "< $file") ) {
print STDERR __FILE__ . ' ' . __LINE__ . ': ' .
"$Prog: can't open \'$file\': $!";
next;
}
next unless ( $file =~ /\./ ); # file name has no dot '.'
##### handle_file_ext()
# get extension
my $ext = $file;
$ext =~ s/^
.*
\.
([^.]*)
$
/$1/x;
next unless ( $ext );
##### handle_file_ext()
# these extensions are correct, but not based on a tmac
next if ( $ext =~ /^(
chem|
eqn|
g|
grap|
grn|
groff|
hdtbl|
pdfroff|
pic|
pinyin|
ref|
roff|
t|
tbl|
tr|
www
)$/x );
##### handle_file_ext()
# extensions for man tmac
if ( $ext =~ /^(
[1-9lno]|
man|
n|
1b
)$/x ) {
# 'man|n' from 'groff' source
# '1b' from 'heirloom'
# '[1-9lno]' from man-pages
if ( $tmac_ext && $tmac_ext ne 'man' ) {
# found tmac is not 'man'
print STDERR __FILE__ . ' ' . __LINE__ . ': ' .
'2 different file name extensions found ' .
$tmac_ext . ' and ' . $ext;
$tmac_ext = '';
next;
}
##### handle_file_ext()
$tmac_ext = 'man';
next;
}
if ( $ext =~ /^(
mandoc|
mdoc|
me|
mm|
mmse|
mom|
ms|
$)/x ) {
if ( $tmac_ext && $tmac_ext ne $ext ) {
# found tmac is not identical to former found tmac
##### handle_file_ext()
print STDERR __FILE__ . ' ' . __LINE__ . ': ' .
'2 different file name extensions found ' .
$tmac_ext . ' and ' . $ext;
$tmac_ext = '';
next;
}
$tmac_ext = $ext;
next;
}
print STDERR __FILE__ . ' ' . __LINE__ . ': ' .
'Unknown file name extension '. $file . '.';
next;
} # end foreach file
1;
} # handle_file_ext()
########################################################################
# handle_whole_files()
########################################################################
sub handle_whole_files {
# globals: @filespec
foreach my $file ( @filespec ) {
unless ( open(FILE, $file eq "-" ? $file : "< $file") ) {
print STDERR __FILE__ . ' ' . __LINE__ . ': ' .
"$Prog: can't open \'$file\': $!";
next;
}
my $line = <FILE>; # get single line
unless ( defined($line) ) {
# empty file, go to next filearg
close (FILE);
next;
}
if ( $line ) {
chomp $line;
unless ( &do_first_line( $line, $file ) ) {
# not an option line
&do_line( $line, $file );
}
} else { # empty line
next;
}
while (<FILE>) { # get lines by and by
chomp;
&do_line( $_, $file );
}
close(FILE);
} # end foreach
} # handle_whole_files()
########################################################################
# do_first_line()
########################################################################
# As documented for the 'man' program, the first line can be
# used as a groff option line. This is done by:
# - start the line with '\" (apostrophe, backslash, double quote)
# - add a space character
# - a word using the following characters can be appended: 'egGjJpRst'.
# Each of these characters means an option for the generated
# 'groff' command line, e.g. '-t'.
sub do_first_line {
my ( $line, $file ) = @_;
# globals: %preprocs_tmacs
# For a leading groff options line use only [egGjJpRst]
if ( $line =~ /^[.']\\"[\segGjJpRst]+&/ ) {
# this is a groff options leading line
if ( $line =~ /^\./ ) {
# line is a groff options line with . instead of '
print "First line in $file must start with an apostrophe \ " .
"instead of a period . for groff options line!";
}
if ( $line =~ /j/ ) {
$Groff{'chem'}++;
}
if ( $line =~ /e/ ) {
$Groff{'eqn'}++;
}
if ( $line =~ /g/ ) {
$Groff{'grn'}++;
}
if ( $line =~ /G/ ) {
$Groff{'grap'}++;
}
if ( $line =~ /i/ ) {
$Groff{'gideal'}++;
}
if ( $line =~ /p/ ) {
$Groff{'pic'}++;
}
if ( $line =~ /R/ ) {
$Groff{'refer'}++;
}
if ( $line =~ /s/ ) {
$Groff{'soelim'}++;
}
####### do_first_line()
if ( $line =~ /t/ ) {
$Groff{'tbl'}++;
}
return 1; # a leading groff options line, 1 means yes, 0 means no
}
# not a leading short groff options line
return 0 if ( $line !~ /^[.']\\"\s*(.*)$/ ); # ignore non-comments
return 0 unless ( $1 ); # for empty comment
# all following array members are either preprocs or 1 tmac
my @words = split '\s+', $1;
my @in = ();
my $word;
for $word ( @words ) {
if ( $word eq 'ideal' ) {
$word = 'gideal';
} elsif ( $word eq 'gpic' ) {
$word = 'pic';
} elsif ( $word =~ /^(gn|)eqn$/ ) {
$word = 'eqn';
}
if ( exists $preprocs_tmacs{$word} ) {
push @in, $word;
} else {
# not word for preproc or tmac
return 0;
}
}
for $word ( @in ) {
$Groff{$word}++;
}
} # do_first_line()
########################################################################
# do_line()
########################################################################
my $before_first_command = 1; # for check of .TH
sub do_line {
my ( $line, $file ) = @_;
return if ( $line =~ /^[.']\s*\\"/ ); # comment
return unless ( $line =~ /^[.']/ ); # ignore text lines
$line =~ s/^['.]\s*/./; # let only a dot as leading character,
# remove spaces after the leading dot
$line =~ s/\s+$//; # remove final spaces
return if ( $line =~ /^\.$/ ); # ignore .
return if ( $line =~ /^\.\.$/ ); # ignore ..
if ( $before_first_command ) { # so far without 1st command
if ( $line =~ /^\.TH/ ) {
# check if .TH is 1st command for man
$Groff{'TH_first'} = 1 if ( $line =~ /^\.\s*TH/ );
}
if ( $line =~ /^\./ ) {
$before_first_command = 0;
}
}
# split command
$line =~ /^(\.\w+)\s*(.*)$/;
my $command = $1;
$command = '' unless ( defined $command );
my $args = $2;
$args = '' unless ( defined $args );
######################################################################
# soelim
if ( $line =~ /^\.(do)?\s*(so|mso|PS\s*<|SO_START).*$/ ) {
# '.so', '.mso', '.PS<...', '.SO_START'
$Groff{'soelim'}++;
return;
}
if ( $line =~ /^\.(do)?\s*(so|mso|PS\s*<|SO_START).*$/ ) {
# '.do so', '.do mso', '.do PS<...', '.do SO_START'
$Groff{'soelim'}++;
return;
}
####### do_line()
######################################################################
# macros
if ( $line =~ /^\.de1?\W?/ ) {
# this line is a macro definition, add it to %macros
my $macro = $line;
$macro =~ s/^\.de1?\s+(\w+)\W*/.$1/;
return if ( exists $macros{$macro} );
$macros{$macro} = 1;
return;
}
# if line command is a defined macro, just ignore this line
return if ( exists $macros{$command} );
######################################################################
# preprocessors
if ( $command =~ /^(\.cstart)|(begin\s+chem)$/ ) {
$Groff{'chem'}++; # for chem
return;
}
if ( $command =~ /^\.EQ$/ ) {
$Groff{'eqn'}++; # for eqn
return;
}
if ( $command =~ /^\.G1$/ ) {
$Groff{'grap'}++; # for grap
return;
}
if ( $command =~ /^\.Perl/ ) {
$Groff{'gperl'}++; # for gperl
return;
}
if ( $command =~ /^\.pinyin/ ) {
$Groff{'gpinyin'}++; # for gperl
return;
}
if ( $command =~ /^\.GS$/ ) {
$Groff{'grn'}++; # for grn
return;
}
if ( $command =~ /^\.IS$/ ) {
$Groff{'gideal'}++; # preproc gideal for ideal
return;
}
if ( $command =~ /^\.lilypond$/ ) {
$Groff{'lilypond'}++; # for glilypond
return;
}
####### do_line()
# pic can be opened by .PS or .PF and closed by .PE
if ( $command =~ /^\.PS$/ ) {
$Groff{'pic'}++; # normal opening for pic
return;
}
if ( $command =~ /^\.PF$/ ) {
$Groff{'PF'}++; # alternate opening for pic
return;
}
if ( $command =~ /^\.PE$/ ) {
$Groff{'PE'}++; # closing for pic
return;
}
if ( $command =~ /^\.R1$/ ) {
$Groff{'refer'}++; # for refer
return;
}
if ( $command =~ /^\.\[$/ ) {
$Groff{'refer_open'}++; # for refer open
return;
}
if ( $command =~ /^\.\]$/ ) {
$Groff{'refer_close'}++; # for refer close
return;
}
if ( $command =~ /^\.TS$/ ) {
$Groff{'tbl'}++; # for tbl
return;
}
if ( $command =~ /^\.TH$/ ) {
unless ( $Groff{'TH_first'} ) {
$Groff{'TH_later'}++; # for tbl
}
return;
}
######################################################################
# macro package (tmac)
######################################################################
##########
# modern mdoc
if ( $command =~ /^\.(Dd)$/ ) {
$Groff{'Dd'}++; # for modern mdoc
return;
}
####### do_line()
# In the old version of -mdoc 'Oo' is a toggle, in the new it's
# closed by 'Oc'.
if ( $command =~ /^\.Oc$/ ) {
$Groff{'Oc'}++; # only for modern mdoc
return;
}
##########
# old and modern mdoc
if ( $command =~ /^\.Oo$/ ) {
$Groff{'Oo'}++; # for mdoc and mdoc-old
return;
}
##########
# old mdoc
if ( $command =~ /^\.(Tp|Dp|De|Cx|Cl)$/ ) {
$Groff{'mdoc_old'}++; # true for old mdoc
return;
}
##########
# for ms
####### do_line()
if ( $command =~ /^\.AB$/ ) {
$Groff{'AB'}++; # for ms
return;
}
if ( $command =~ /^\.AE$/ ) {
$Groff{'AE'}++; # for ms
return;
}
if ( $command =~ /^\.AI$/ ) {
$Groff{'AI'}++; # for ms
return;
}
if ( $command =~ /^\.AU$/ ) {
$Groff{'AU'}++; # for ms
return;
}
if ( $command =~ /^\.NH$/ ) {
$Groff{'NH'}++; # for ms
return;
}
if ( $command =~ /^\.TL$/ ) {
$Groff{'TL'}++; # for ms
return;
}
if ( $command =~ /^\.XP$/ ) {
$Groff{'XP'}++; # for ms
return;
}
##########
# for man and ms
if ( $command =~ /^\.IP$/ ) {
$Groff{'IP'}++; # for man and ms
return;
}
if ( $command =~ /^\.LP$/ ) {
$Groff{'LP'}++; # for man and ms
return;
}
####### do_line()
if ( $command =~ /^\.P$/ ) {
$Groff{'P'}++; # for man and ms
return;
}
if ( $command =~ /^\.PP$/ ) {
$Groff{'PP'}++; # for man and ms
return;
}
if ( $command =~ /^\.SH$/ ) {
$Groff{'SH'}++; # for man and ms
return;
}
if ( $command =~ /^\.UL$/ ) {
$Groff{'UL'}++; # for man and ms
return;
}
##########
# for man only
if ( $command =~ /^\.OP$/ ) { # for man
$Groff{'OP'}++;
return;
}
if ( $command =~ /^\.SS$/ ) { # for man
$Groff{'SS'}++;
return;
}
if ( $command =~ /^\.SY$/ ) { # for man
$Groff{'SY'}++;
return;
}
if ( $command =~ /^\.TP$/ ) { # for man
$Groff{'TP'}++;
return;
}
if ( $command =~ /^\.UR$/ ) {
$Groff{'UR'}++; # for man
return;
}
if ( $command =~ /^\.YS$/ ) { # for man
$Groff{'YS'}++;
return;
}
####### do_line()
##########
# me
if ( $command =~ /^\.(
[ilnp]p|
sh
)$/x ) {
$Groff{'me'}++; # for me
return;
}
#############
# mm and mmse
if ( $command =~ /^\.(
H|
MULB|
LO|
LT|
NCOL|
P\$|
PH|
SA
)$/x ) {
$Groff{'mm'}++; # for mm and mmse
if ( $command =~ /^\.LO$/ ) {
if ( $args =~ /^(DNAMN|MDAT|BIL|KOMP|DBET|BET|SIDOR)/ ) {
$Groff{'mmse'}++; # for mmse
}
} elsif ( $command =~ /^\.LT$/ ) {
if ( $args =~ /^(SVV|SVH)/ ) {
$Groff{'mmse'}++; # for mmse
}
}
return;
}
####### do_line()
##########
# mom
if ( $line =~ /^\.(
ALD|
DOCTYPE|
FAMILY|
FT|
FAM|
LL|
LS|
NEWPAGE|
PAGE|
PAPER|
PRINTSTYLE|
PT_SIZE|
T_MARGIN
)$/x ) {
$Groff{'mom'}++; # for mom
return;
}
} # do_line()
########################################################################
# sub make_groff_device
########################################################################
my @m = ();
my @preprograms = ();
my $correct_tmac = '';
sub make_groff_device {
# globals: @devices
# default device is 'ps' when without '-T'
my $device;
push @devices, 'ps' unless ( @devices );
###### make_groff_device()
for my $d ( @devices ) {
if ( $d =~ /^( # suitable devices
dvi|
html|
xhtml|
lbp|
lj4|
ps|
pdf|
ascii|
cp1047|
latin1|
utf8
)$/x ) {
###### make_groff_device()
$device = $d;
} else {
next;
}
if ( $device ) {
push @Command, '-T';
push @Command, $device;
}
}
###### make_groff_device()
if ( $device eq 'pdf' ) {
if ( $pdf_with_ligatures ) { # with --ligature argument
push( @Command, '-P-y' );
push( @Command, '-PU' );
} else { # no --ligature argument
if ( $with_warnings ) {
print STDERR <<EOF;
If you have trouble with ligatures like 'fi' in the 'groff' output, you
can proceed as one of
- add 'grog' option '--with_ligatures' or
- use the 'grog' option combination '-P-y -PU' or
- try to remove the font named similar to 'fonts-texgyre' from your system.
EOF
} # end of warning
} # end of ligature
} # end of pdf device
} # make_groff_device()
########################################################################
# make_groff_preproc()
########################################################################
sub make_groff_preproc {
# globals: %Groff, @preprograms, @Command
# preprocessors without 'groff' option
if ( $Groff{'lilypond'} ) {
push @preprograms, 'glilypond';
}
if ( $Groff{'gperl'} ) {
push @preprograms, 'gperl';
}
if ( $Groff{'gpinyin'} ) {
push @preprograms, 'gpinyin';
}
# preprocessors with 'groff' option
if ( ( $Groff{'PS'} || $Groff{'PF'} ) && $Groff{'PE'} ) {
$Groff{'pic'} = 1;
}
if ( $Groff{'gideal'} ) {
$Groff{'pic'} = 1;
}
###### make_groff_preproc()
$Groff{'refer'} ||= $Groff{'refer_open'} && $Groff{'refer_close'};
if ( $Groff{'chem'} || $Groff{'eqn'} || $Groff{'gideal'} ||
$Groff{'grap'} || $Groff{'grn'} || $Groff{'pic'} ||
$Groff{'refer'} || $Groff{'tbl'} ) {
push(@Command, '-s') if $Groff{'soelim'};
push(@Command, '-R') if $Groff{'refer'};
push(@Command, '-t') if $Groff{'tbl'}; # tbl before eqn
push(@Command, '-e') if $Groff{'eqn'};
push(@Command, '-j') if $Groff{'chem'}; # chem produces pic code
push(@Command, '-J') if $Groff{'gideal'}; # gideal produces pic
push(@Command, '-G') if $Groff{'grap'};
push(@Command, '-g') if $Groff{'grn'}; # gremlin files for -me
push(@Command, '-p') if $Groff{'pic'};
}
} # make_groff_preproc()
########################################################################
# make_groff_tmac_man_ms()
########################################################################
sub make_groff_tmac_man_ms {
# globals: @filespec, $tmac_ext, %Groff
# 'man' requests, not from 'ms'
if ( $Groff{'SS'} || $Groff{'SY'} || $Groff{'OP'} ||
$Groff{'TH_first'} || $Groff{'TP'} || $Groff{'UR'} ) {
$Groff{'man'} = 1;
push(@m, '-man');
$tmac_ext = 'man' unless ( $tmac_ext );
&err('man requests found, but file name extension ' .
'was: ' . $tmac_ext) unless ( $tmac_ext eq 'man' );
$tmac_ext = 'man';
return 1; # true
}
###### make_groff_tmac_man_ms()
# 'ms' requests, not from 'man'
if (
$Groff{'1C'} || $Groff{'2C'} ||
$Groff{'AB'} || $Groff{'AE'} || $Groff{'AI'} || $Groff{'AU'} ||
$Groff{'BX'} || $Groff{'CD'} || $Groff{'DA'} || $Groff{'DE'} ||
$Groff{'DS'} || $Groff{'ID'} || $Groff{'LD'} || $Groff{'NH'} ||
$Groff{'TH_later'} ||
$Groff{'TL'} || $Groff{'UL'} || $Groff{'XP'}
) {
$Groff{'ms'} = 1;
push(@m, '-ms');
$tmac_ext = 'ms' unless ( $tmac_ext );
&err('ms requests found, but file name extension ' .
'was: ' . $tmac_ext) unless ( $tmac_ext eq 'ms' );
$tmac_ext = 'ms';
return 1; # true
}
###### make_groff_tmac_man_ms()
# both 'man' and 'ms' requests
if ( $Groff{'P'} || $Groff{'IP'} ||
$Groff{'LP'} || $Groff{'PP'} || $Groff{'SH'} ) {
if ( $tmac_ext eq 'man' ) {
$Groff{'man'} = 1;
push(@m, '-man');
return 1; # true
} elsif ( $tmac_ext eq 'ms' ) {
$Groff{'ms'} = 1;
push(@m, '-ms');
return 1; # true
}
return 0;
}
} # make_groff_tmac_man_ms()
########################################################################
# make_groff_tmac_others()
########################################################################
sub make_groff_tmac_others {
# globals: @filespec, $tmac_ext, %Groff
# mdoc
if ( ( $Groff{'Oo'} && $Groff{'Oc'} ) || $Groff{'Dd'} ) {
$Groff{'Oc'} = 0;
$Groff{'Oo'} = 0;
push(@m, '-mdoc');
return 1; # true
}
if ( $Groff{'mdoc_old'} || $Groff{'Oo'} ) {
push(@m, '-mdoc_old');
return 1; # true
}
# me
if ( $Groff{'me'} ) {
push(@m, '-me');
return 1; # true
}
##### make_groff_tmac_others()
# mm and mmse
if ( $Groff{'mm'} ) {
push(@m, '-mm');
return 1; # true
}
if ( $Groff{'mmse'} ) { # Swedish mm
push(@m, '-mmse');
return 1; # true
}
# mom
if ( $Groff{'mom'} ) {
push(@m, '-mom');
return 1; # true
}
} # make_groff_tmac_others()
########################################################################
# make_groff_line_rest()
########################################################################
sub make_groff_line_rest {
my $file_args_included; # file args now only at 1st preproc
unshift @Command, 'groff';
if ( @preprograms ) {
my @progs;
$progs[0] = shift @preprograms;
push(@progs, @filespec);
for ( @preprograms ) {
push @progs, '|';
push @progs, $_;
}
push @progs, '|';
unshift @Command, @progs;
$file_args_included = 1;
} else {
$file_args_included = 0;
}
###### make_groff_line_rest()
foreach (@Command) {
next unless /\s/;
# when one argument has several words, use accents
$_ = "'" . $_ . "'";
}
###### make_groff_line_rest()
##########
# -m arguments
my $nr_m_guessed = scalar @m;
if ( $nr_m_guessed > 1 ) {
print STDERR __FILE__ . ' ' . __LINE__ . ': ' .
'argument for -m found: ' . @m;
}
my $nr_m_args = scalar @Mparams; # m-arguments for grog
my $last_m_arg = ''; # last provided -m option
if ( $nr_m_args > 1 ) {
# take the last given -m argument of grog call,
# ignore other -m arguments and the found ones
$last_m_arg = $Mparams[-1]; # take the last -m argument
print STDERR __FILE__ . ' ' . __LINE__ . ': ' .
$Prog . ": more than 1 '-m' argument: @Mparams";
print STDERR __FILE__ . ' ' . __LINE__ . ': ' .
'We take the last one: ' . $last_m_arg;
} elsif ( $nr_m_args == 1 ) {
$last_m_arg = $Mparams[0];
}
###### make_groff_line_rest()
my $final_m = '';
if ( $last_m_arg ) {
my $is_equal = 0;
for ( @m ) {
if ( $_ eq $last_m_arg ) {
$is_equal = 1;
last;
}
next;
} # end for @m
if ( $is_equal ) {
$final_m = $last_m_arg;
} else {
print STDERR __FILE__ . ' ' . __LINE__ . ': ' .
'Provided -m argument ' . $last_m_arg .
' differs from guessed -m args: ' . @m;
print STDERR __FILE__ . ' ' . __LINE__ . ': ' .
'The argument is taken.';
$final_m = $last_m_arg;
}
###### make_groff_line_rest()
} else { # no -m arg provided
if ( $nr_m_guessed > 1 ) {
print STDERR __FILE__ . ' ' . __LINE__ . ': ' .
'More than 1 -m arguments were guessed: ' . @m;
print STDERR __FILE__ . ' ' . __LINE__ . ': ' . 'Guessing stopped.';
exit 1;
} elsif ( $nr_m_guessed == 1 ) {
$final_m = $m[0];
} else {
# no -m provided or guessed
}
}
push @Command, $final_m if ( $final_m );
push(@Command, @filespec) unless ( $file_args_included );
#########
# execute the 'groff' command here with option '--run'
if ( $do_run ) { # with --run
print STDERR __FILE__ . ' ' . __LINE__ . ': ' . "@Command";
my $cmd = join ' ', @Command;
system($cmd);
} else {
print "@Command";
}
exit 0;
} # make_groff_line_rest()
########################################################################
# sub help
########################################################################
sub help {
print <<EOF;
usage: grog [option]... [--] [filespec]...
"filespec" is either the name of an existing, readable file or "-" for
standard input. If no 'filespec' is specified, standard input is
assumed automatically. All arguments after a '--' are regarded as file
names, even if they start with a '-' character.
'option' is either a 'groff' option or one of these:
-h|--help print this uasge message and exit
-v|--version print version information and exit
-C compatibility mode
--ligatures include options '-P-y -PU' for internal font, which
preserves the ligatures like 'fi'
--run run the checked-out groff command
--warnings display more warnings to standard error
All other options should be 'groff' 1-character options. These are then
appended to the generated 'groff' command line. The '-m' options will
be checked by 'grog'.
EOF
exit 0;
} # help()
########################################################################
# sub version
########################################################################
sub version {
our %at_at;
print "Perl version of GNU $Prog " .
"in groff version " . $at_at{'GROFF_VERSION'};
exit 0;
} # version()
1;
########################################################################
### Emacs settings
# Local Variables:
# mode: CPerl
# End:
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