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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare
Cokiee Shell
| Current Path : /usr/bin/ |
| Current File : //usr/bin/grog |
#! /usr/bin/env 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/grog.pl
# Installed position: <prefix>/bin/grog
# Copyright (C) 1993, 2006, 2009 Free Software Foundation, Inc.
# Written by James Clark, maintained by Werner Lemberg.
# Rewritten and put under GPL by Bernd Warken.
# 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 (GPL) as published
# by the Free Software Foundation, either version 3 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 should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
########################################################################
my $Last_Update = '5 Jan 2009';
########################################################################
require v5.6;
use warnings;
use strict;
use File::Spec;
my $Prog = $0;
{
my ($v, $d, $f) = File::Spec->splitpath($Prog);
$Prog = $f;
}
#my $Sp = "[\\s\\n]";
my $Sp = qr([\s\n]);
my @Command; # stores the final output
my @Mparams; # stores the options -m*
my %Groff;
{
my @filespec = ();
my $double_minus = 0;
my $was_minus = 0;
my $had_filespec = 0;
foreach my $arg (@ARGV) {
next unless $arg;
if ($double_minus) {
$had_filespec = 1;
if (-f $arg && -r $arg) {
push @filespec, $arg;
} else {
print STDERR "grog: $arg is not a readable file.\n";
}
next;
}
if ($arg eq '--') {
$double_minus = 1;
push(@Command, $arg);
next;
}
if ($arg eq '-') {
unless ($was_minus) {
push @filespec, $arg;
$was_minus = 1;
}
next;
}
&version(0) if $arg eq '-v' || '--version' =~ /^$arg/;
&help() if $arg eq '-h' || '--help' =~ /^$arg/;
print STDERR "grog: wrong option $arg.\n" if $arg =~ /^--/;
if ($arg =~ /^-m/) {
push @Mparams, $arg;
next;
}
$Sp = '' if $arg eq '-C';
if ($arg =~ /^-/) {
push(@Command, $arg);
next;
} else {
$had_filespec = 1;
if (-f $arg && -r $arg) {
push @filespec, $arg;
} else {
print STDERR "grog: $arg is not a readable file.\n";
}
next;
}
}
@filespec = ('-') if ! @filespec && ! $had_filespec;
exit 1 unless @filespec;
@ARGV = @filespec;
}
foreach my $arg (@ARGV) {
&process($arg, 0);
}
sub process {
my ($filename, $level) = @_;
local(*FILE);
if (!open(FILE, $filename eq "-" ? $filename : "< $filename")) {
print STDERR "$Prog: can't open \`$filename': $!\n";
exit 1 unless $level;
return;
}
while (<FILE>) {
chomp;
s/^[.']\s*/./;
s/^\s+|\s+$//g;
s/$/\n/;
if (/^(.cstart)|(begin\s+chem)$/) {
$Groff{'chem'}++;
$Groff{'pic'}++;
} elsif (/^\.TS$Sp/) {
$_ = <FILE>;
if (!/^\./) {
$Groff{'tbl'}++;
$Groff{'soelim'}++ if $level;
}
} elsif (/^\.EQ$Sp/) {
$_ = <FILE>;
if (!/^\./ || /^\.[0-9]/) {
$Groff{'eqn'}++;
$Groff{'soelim'}++ if $level;
}
} elsif (/^\.GS$Sp/) {
$_ = <FILE>;
if (!/^\./) {
$Groff{'grn'}++;
$Groff{'soelim'}++ if $level;
}
} elsif (/^\.G1$Sp/) {
$_ = <FILE>;
if (!/^\./) {
$Groff{'grap'}++;
$Groff{'pic'}++;
$Groff{'soelim'}++ if $level;
}
# } elsif (/^\.PS\Sp([ 0-9.<].*)?$/) {
# if (/^\.PS\s*<\s*(\S+)/) {
# $Groff{'pic'}++;
# $Groff{'soelim'}++ if $level;
# &process($1, $level);
# } else {
# $_ = <FILE>;
# if (!/^\./ || /^\.ps/) {
# $Groff{'pic'}++;
# $Groff{'soelim'}++ if $level;
# }
# }
} elsif (/^\.PS[\s\n<]/) {
$Groff{'pic'}++;
$Groff{'soelim'}++ if $level;
if (/^\.PS\s*<\s*(\S+)/) {
&process($1, $level);
}
} elsif (/^\.R1$Sp/) {
$Groff{'refer'}++;
$Groff{'soelim'}++ if $level;
} elsif (/^\.\[/) {
$Groff{'refer_open'}++;
$Groff{'soelim'}++ if $level;
} elsif (/^\.\]/) {
$Groff{'refer_close'}++;
$Groff{'soelim'}++ if $level;
} elsif (/^\.NH$Sp/) {
$Groff{'NH'}++; # for ms
} elsif (/^\.TL$Sp/) {
$Groff{'TL'}++; # for mm and ms
} elsif (/^\.PP$Sp/) {
$Groff{'PP'}++; # for mom and ms
} elsif (/^\.[IL]P$Sp/) {
$Groff{'ILP'}++; # for man and ms
} elsif (/^\.P$/) {
$Groff{'P'}++;
} elsif (/^\.(PH|SA)$Sp/) {
$Groff{'mm'}++;
} elsif (/^\.TH$Sp/) {
$Groff{'TH'}++;
} elsif (/^\.SH$Sp/) {
$Groff{'SH'}++;
} elsif (/^\.([pnil]p|sh)$Sp/) {
$Groff{'me'}++;
} elsif (/^\.Dd$Sp/) {
$Groff{'mdoc'}++;
} elsif (/^\.(Tp|Dp|De|Cx|Cl)$Sp/) {
$Groff{'mdoc_old'} = 1;
}
# In the old version of -mdoc `Oo' is a toggle, in the new it's
# closed by `Oc'.
elsif (/^\.Oo$Sp/) {
$Groff{'Oo'}++;
s/^\.Oo/\. /;
redo;
}
# The test for `Oo' and `Oc' not starting a line (as allowed by the
# new implementation of -mdoc) is not complete; it assumes that
# macro arguments are well behaved, i.e., "" is used within "..." to
# indicate a doublequote as a string element, and weird features
# like `.foo a"b' are not used.
elsif (/^\..* Oo( |$)/) {
s/\\\".*//;
s/\"[^\"]*\"//g;
s/\".*//;
if (s/ Oo( |$)/ /) {
$Groff{'Oo'}++;
}
redo;
} elsif (/^\.Oc$Sp/) {
$Groff{'Oo'}--;
s/^\.Oc/\. /;
redo;
} elsif (/^\..* Oc( |$)/) {
s/\\\".*//;
s/\"[^\"]*\"//g;
s/\".*//;
if (s/ Oc( |$)/ /) {
$Groff{'Oo'}--;
}
redo;
} elsif (/^\.(PRINTSTYLE|START)$Sp/) {
$Groff{'mom'}++;
}
if (/^\.so$Sp/) {
chop;
s/^.so *//;
s/\\\".*//;
s/ .*$//;
&process($_, $level + 1) unless /\\/ || $_ eq "";
}
}
close(FILE);
}
sub help {
print <<EOF;
usage: grog [option]... [--] [filespec]...
"filespec" is either the name of an existing, readable file or "-" for
standard input. If no "filespec" is specified, standard input is
assumed automatically.
"option" is either a "groff" option or one of these:
-C compatibility mode
-h --help print this uasge message
-v --version print version information
"groff" options are appended to the output, "-m" options are checked.
EOF
exit 0;
}
sub version {
my ($exit_status) = @_;
print "Perl version of GNU $Prog of $Last_Update " .
"in groff version 1.21\n";
exit $exit_status;
}
{
my @m = ();
my $is_man = 0;
my $is_mm = 0;
my $is_mom = 0;
$Groff{'refer'} ||= $Groff{'refer_open'} && $Groff{'refer_close'};
if ( $Groff{'pic'} || $Groff{'tbl'} || $Groff{'eqn'} ||
$Groff{'grn'} || $Groff{'grap'} || $Groff{'refer'} ) {
my $s = "-";
$s .= "s" if $Groff{'soelim'};
$s .= "R" if $Groff{'refer'};
# grap must be run before pic
$s .= "G" if $Groff{'grap'};
$s .= "p" if $Groff{'pic'};
$s .= "g" if $Groff{'grn'};
$s .= "t" if $Groff{'tbl'};
$s .= "e" if $Groff{'eqn'};
push(@Command, $s);
}
if ( $Groff{'me'} ) {
push(@m, '-me');
push(@Command, '-me');
}
if ( $Groff{'SH'} && $Groff{'TH'} ) {
push(@m, '-man');
push(@Command, '-man');
$is_man = 1;
}
if ( $Groff{'mom'} ) {
push(@m, '-mom');
push(@Command, '-mom');
$is_mom = 1;
}
if ( $Groff{'mm'} || ($Groff{'P'} && ! $is_man) ) {
push(@m, '-mm');
push(@Command, '-mm');
$is_mm = 1;
}
if ( $Groff{'NH'} || ($Groff{'TL'} && ! $is_mm) ||
($Groff{'ILP'} && ! $is_man) ||
($Groff{'PP'} && ! $is_mom && ! $is_man) ) {
# .PP occurs in -mom, -man and -ms, .IP and .LP occur in -man and -ms
push(@m, '-ms');
push(@Command, '-ms');
}
if ( $Groff{'mdoc'} ) {
my $s = ( $Groff{'mdoc_old'} || $Groff{'Oo'} ) ? '-mdoc-old' : '-mdoc';
push(@m, $s);
push(@Command, $s);
}
if ($Groff{'chem'}) {
my @chem = ('chem', @ARGV, '|', 'groff');
unshift(@Command, @chem);
} else {
unshift @Command, 'groff';
push(@Command, @ARGV);
}
foreach (@Command) {
next unless /\s/;
$_ = "'" . $_ . "'";
}
# We could implement an option to execute the command here.
# foreach (@Command) {
# next unless /[\$\\\"\';&()|<> \t\n]/;
# s/\'/\'\\\'\'/;
# $_ = "'" . $_ . "'";
# }
my $n = scalar @m;
my $np = scalar @Mparams;
print STDERR "$Prog: more than 1 `-m' argument: @Mparams" if $np > 1;
if ($n == 0) {
unshift @Command, $Mparams[0] if $np == 1;
} elsif ($n == 1) {
if ($np == 1) {
print STDERR "$Prog: wrong `-m' argument: $Mparams[0]\n"
if $m[0] ne $Mparams[0];
}
} else {
print STDERR "$Prog: error: there are several macro packages: @m\n";
}
print "@Command\n";
exit $n if $n > 1;
exit 0;
}
########################################################################
### Emacs settings
# Local Variables:
# mode: CPerl
# End:
Cokiee Shell Web 1.0, Coded By Razor
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