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## Create a single pkgname-pkg.tex file from the Latex subdirectories
## Copyright (C) 1998 Douglas M. Bates <bates@stat.wisc.edu>
## This file 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, or (at your option)
## any later version.
## This file 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.
## A copy of the GNU General Public License is available via WWW at
## http://www.gnu.org/copyleft/gpl.html. You can also obtain it by
## writing to the Free Software Foundation, Inc., 51 Franklin Street,
## Fifth Floor, Boston, MA 02110-1301 USA.
## Send any bug reports to bates@stat.wisc.edu
## <NOTE>
## Could use &file_path() to make this portable.
## </NOTE>
use strict;
use FileHandle;
use Carp;
use Getopt::Long;
use R::Utils;
my $help;
my $revision = ' $Revision: 1.4 $ ';
my $version;
my $name;
($name = $0) =~ s|.*/||;
$revision =~ / ([\d\.]*) /;
$version = $1;
GetOptions("help|h" => \$help);
&usage() if $help;
&usage() if $#ARGV < 0;
my $RLIB;
if ($ENV{'RLIB'}) {
## Set under Windows, but also useful to override the default.
$RLIB = $ENV{'RLIB'};
} else {
$RLIB = "../../library";
}
for (@ARGV) {
my $latexDir = $RLIB . "/" . $_ . "/latex/";
carp "latex subdirectory for library $_ does not exist!\n", next
unless -d $latexDir;
my $was_zipped = 0;
if(-f $latexDir . "Rhelp.zip") {
$was_zipped = 1;
my $cmd = "cd $latexDir; unzip -qo Rhelp.zip";
croak "Cannot unzip latex files\n" if R_system($cmd);
}
my $out = new FileHandle "> " . $_ . "-pkg.tex" or
croak "unable to open file $_-pkg.tex: $!\n";
&do_header($_, $out);
&do_tex_files($latexDir, $out);
&do_trailer($out);
$out->close;
if($was_zipped) {
croak "Removing unzipped latex files failed.\n" if
R_system("rm -f $latexDir*.tex");
}
}
sub do_header {
my( $pkgname, $outfile ) = @_;
$outfile->print("\n\\chapter\{The \\texttt\{$pkgname\} package\}\n");
}
sub foldorder {($b =~ /-package$/) cmp ($a =~ /-package$/) or uc($a) cmp uc($b) or $a cmp $b;}
sub do_tex_files {
my( $latexDir, $outfile ) = @_;
my $fh = new FileHandle;
my $fname;
my $fline;
my %filenames;
my $internal;
opendir DIR, $latexDir or
croak "can't open directory $latexDir: $!\n";
foreach $fname ( grep /^[A-za-z].*\.tex$/, readdir DIR )
{
$fh->open( $latexDir . $fname )
or croak "unable to open file $_:$!\n";
## first line is usually \HeaderA{object}{object}{...}
## but may need to skip \inputencoding line
$fline = <$fh> until $fline =~ s/\\HeaderA\{\s*([^}]*)\}//;
## omit internal help pages
my $internal = 0;
while(<$fh>) {
if(/\\keyword\{\s*internal\s*\}/) { $internal = 1; last; }
}
next if $internal;
$filenames{$1} = $fname;
}
close $fh;
foreach $fname (sort foldorder keys %filenames)
{
$fh->open( $latexDir . $filenames{$fname} )
or croak "unable to open file $_:$!\n";
$outfile->print( <$fh> );
}
close $fh;
}
sub do_trailer {
my $outfile = shift;
$outfile->print("\\clearpage");
}
sub usage {
print "$name version $version\n";
print "Usage: $name [--help/-h] file ..." ;
exit 0;
}
### Local variables: ***
### mode: perl ***
### perl-indent-level: 4 ***
### End: ***
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