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# $Id: TLPaper.pm 26615 2012-05-24 00:39:35Z karl $
# TeXLive::TLPaper.pm - query/modify paper sizes for our various programs
# Copyright 2008-2012 Norbert Preining
# This file is licensed under the GNU General Public License version 2
# or any later version.
#
# TODO TODO TODO
# if no paperconfig line is found in paper_do_simple it adds to the end of the
# file the new line, but this does not work on context because it
# has an \endinput at the end ... needs to be fixed
package TeXLive::TLPaper;
my $svnrev = '$Revision: 26615 $';
my $_modulerevision;
if ($svnrev =~ m/: ([0-9]+) /) {
$_modulerevision = $1;
} else {
$_modulerevision = "unknown";
}
sub module_revision {
return $_modulerevision;
}
BEGIN {
use Exporter ();
use vars qw( @ISA @EXPORT_OK @EXPORT );
@ISA = qw(Exporter);
@EXPORT_OK = qw(
%paper_config_path_component
%paper_config_name
);
@EXPORT = @EXPORT_OK;
}
=pod
=head1 NAME
C<TeXLive::TLPaper> -- paper size setting
=head1 SYNOPSIS
use TeXLive::TLPaper;
=head1 DESCRIPTION
=over 4
=cut
use TeXLive::TLUtils qw(:DEFAULT dirname merge_into mkdirhier);
my %paper_sub = (
"xdvi" => \&paper_xdvi,
"pdftex" => \&paper_pdftex,
"dvips" => \&paper_dvips,
"dvipdfmx" => \&paper_dvipdfmx,
"dvipdfm" => \&paper_dvipdfm,
"context" => \&paper_context,
);
# Where to write to by default.
my %default_paper_config_path_component = (
"xdvi" => "xdvi",
"pdftex" => "tex/generic/config",
"dvips" => "dvips/config",
"dvipdfmx" => "dvipdfmx",
"dvipdfm" => "dvipdfm",
"context" => "tex/context/user",
);
my %default_paper_config_name = (
"xdvi" => "XDvi",
"pdftex" => "pdftexconfig.tex",
"dvips" => "config.ps",
"dvipdfmx" => "dvipdfmx.cfg",
"dvipdfm" => "config",
"context" => "cont-sys.tex",
);
# Output is done to the components in this hash.
# If a value is undefined, we take the one from %default_...
#
our %paper_config_path_component;
our %paper_config_name;
my %xdvi_papersize = (
"a1" => "59.4x84.0cm",
"a1r" => "84.0x59.4cm",
"a2" => "42.0x59.4cm",
"a2r" => "59.4x42.0cm",
"a3" => "29.7x42.0cm",
"a3r" => "42.0x29.7cm",
"a4" => "21.0x29.7cm",
"a4r" => "29.7x21.0cm",
"a5" => "14.85x21.0cm",
"a5r" => "21.0x14.85cm",
"a6" => "10.5x14.85cm",
"a6r" => "14.85x10.5cm",
"a7" => "7.42x10.5cm",
"a7r" => "10.5x7.42cm",
"b1" => "70.6x100.0cm",
"b1r" => "100.0x70.6cm",
"b2" => "50.0x70.6cm",
"b2r" => "70.6x50.0cm",
"b3" => "35.3x50.0cm",
"b3r" => "50.0x35.3cm",
"b4" => "25.0x35.3cm",
"b4r" => "35.3x25.0cm",
"b5" => "17.6x25.0cm",
"b5r" => "25.0x17.6cm",
"b6" => "13.5x17.6cm",
"b6r" => "17.6x13.5cm",
"b7" => "8.8x13.5cm",
"b7r" => "13.5x8.8cm",
"c1" => "64.8x91.6cm",
"c1r" => "91.6x64.8cm",
"c2" => "45.8x64.8cm",
"c2r" => "64.8x45.8cm",
"c3" => "32.4x45.8cm",
"c3r" => "45.8x32.4cm",
"c4" => "22.9x32.4cm",
"c4r" => "32.4x22.9cm",
"c5" => "16.2x22.9cm",
"c5r" => "22.9x16.2cm",
"c6" => "11.46x16.2cm",
"c6r" => "16.2x11.46cm",
"c7" => "8.1x11.46cm",
"c7r" => "11.46x8.1cm",
"foolscap" => "13.5x17.0",
"ledger" => "17.0x11.0",
"legal" => "8.5x14",
"letter" => "8.5x11",
"tabloid" => "11.0x17.0",
"us" => "8.5x11",
"usr" => "11x8.5",
);
my %pdftex_papersize = (
"a4" => [ '210 true mm', '297 true mm' ],
"letter" => [ '8.5 true in', '11 true in' ],
);
my %dvipdfm_papersize = (
"a3" => 1,
"a4" => 1,
"ledger" => 1,
"legal" => 1,
"letter" => 1,
"tabloid" => 1,
);
=item C<get_paper_list($prog)>
Returns the list of supported paper sizes with the first entry being
the currently selected one.
=cut
sub get_paper_list {
my $prog = shift;
return ( &{$paper_sub{$prog}} ( "/dummy", "--returnlist" ) );
}
=item C<get_paper($prog)>
Returns the currently selected paper size for program C<$prog>.
=cut
sub get_paper {
my @pps = get_paper_list(shift);
return $pps[0];
}
=item C<do_paper($prog,$texmfsysconfig,@args)>
Call the paper subroutine for C<$prog>, passing args.
=cut
sub do_paper {
my ($prog,$texmfsysconfig,@args) = @_;
my @ret = ();
if (exists $paper_sub{$prog}) {
my $sub = $paper_sub{$prog};
@ret = &$sub($texmfsysconfig, @args);
} else {
tlwarn("$0: unknown paper program $prog ($texmfsysconfig,@args)\n");
}
return @ret;
}
=item C<paper_all($texmfsysconfig, $newpaper)>
Pass all C<@args> to each paper subroutine in turn, thus setting the
paper size for all supported programs. Return merge of all returned
hashes.
=cut
sub paper_all {
for my $p (sort keys %paper_sub) {
&{$paper_sub{$p}} (@_);
}
}
# return the config file to look in by running kpsewhich with the
# specified PROGNAME, FORMAT, and @FILENAMES. If no result, give a
# warning and return the empty string.
#
sub find_paper_file {
my ($progname, $format, @filenames) = @_;
my $ret = "";
my $cmd;
for my $filename (@filenames) {
$cmd = qq!kpsewhich --progname=$progname --format="$format" $filename!;
chomp($ret = `$cmd`);
if ($ret) {
debug("paper file for $progname ($format) $filename: $ret\n");
last;
}
}
debug("$0: found no paper file for $progname (from $cmd)\n") if ! $ret;
return $ret;
}
sub setup_names {
my $prog = shift;
my $outcomp = $paper_config_path_component{$prog}
|| $default_paper_config_path_component{$prog};
my $filecomp = $paper_config_name{$prog}
|| $default_paper_config_name{$prog};
return ($outcomp, $filecomp);
}
# xdvi format:
# /--- XDvi ---
# |...
# |*paper: <NAME>
# |...
# \------------
#
# Reading is done via --progname=xdvi --format='other text files' XDvi
# Writing is done to TEXMFSYSCONFIG/xdvi/XDvi
#
sub paper_xdvi {
my $outtree = shift;
my $newpaper = shift;
my ($outcomp, $filecomp) = setup_names("xdvi");
my $dftfile = $default_paper_config_name{"xdvi"};
my $outfile = "$outtree/$outcomp/$filecomp";
my $inp = &find_paper_file("xdvi", "other text files", $filecomp, $dftfile);
return unless $inp;
my @sizes = keys %xdvi_papersize;
return &paper_do_simple($inp, "xdvi", '^\*paper: ', '^\*paper:\s+(\w+)\s*$',
sub {
my ($ll,$np) = @_;
$ll =~ s/^\*paper:\s+(\w+)\s*$/\*paper: $np\n/;
return($ll);
}, $outfile, \@sizes, '(undefined)', '*paper: a4', $newpaper);
}
# pdftex pdftexconfig.tex format
# /--- pdftexconfig.tex ---
# |...
# |\pdfpagewidth=NNN true <unit>
# |\pdfpageheight=NNN true <unit>
# |...
# \------------------------
#
# Reading is done via --progname=pdftex --format='tex' pdftexconfig.tex
# Writing is done to TEXMFSYSCONFIG/tex/generic/config/pdftexconfig.tex
#
sub paper_pdftex {
my $outtree = shift;
my $newpaper = shift;
my ($outcomp, $filecomp) = setup_names("pdftex");
my $dftfile = $default_paper_config_name{"pdftex"};
my $outfile = "$outtree/$outcomp/$filecomp";
my $inp = &find_paper_file("pdftex", "tex", $filecomp, $dftfile);
return unless $inp;
open(FOO, "<$inp") || die "$0: open($inp) failed: $!";
my @lines = <FOO>;
close(FOO);
my ($cpw, $cph);
my ($cpwidx, $cphidx);
my $endinputidx;
# read the lines and the last pdfpageswidth/height wins
for my $idx (0..$#lines) {
my $l = $lines[$idx];
if ($l =~ m/^\s*\\pdfpagewidth\s*=?\s*(.+)\s*$/) {
$cpw = $1;
$cpwidx = $idx;
next;
}
if ($l =~ m/^\s*\\pdfpageheight\s*=?\s*(.+)\s*$/) {
$cph = $1;
$cphidx = $idx;
next;
}
if ($l =~ m/^\s*\\endinput\s*/) {
$endinputidx = $idx;
next;
}
}
# trying to find the right papersize
#
my $currentpaper;
if (defined($cpw) && defined($cph)) {
for my $pname (keys %pdftex_papersize) {
my ($w, $h) = @{$pdftex_papersize{$pname}};
if (($w eq $cpw) && ($h eq $cph)) {
$currentpaper = $pname;
last;
}
}
} else {
$currentpaper = "(undefined)";
}
$currentpaper || ($currentpaper = "$cpw x $cph");
if (defined($newpaper)) {
if ($newpaper eq "--list") {
info("$currentpaper\n");
for my $p (keys %pdftex_papersize) {
info("$p\n") unless ($p eq $currentpaper);
}
} elsif ($newpaper eq "--returnlist") {
my @ret = ();
push @ret, "$currentpaper";
for my $p (keys %pdftex_papersize) {
push @ret, $p unless ($p eq $currentpaper);
}
return @ret;
} else {
my $found = 0;
for my $p (keys %pdftex_papersize) {
if ($p eq $newpaper) {
$found = 1;
last;
}
}
if ($found) {
my $newwline =
'\pdfpagewidth=' . ${$pdftex_papersize{$newpaper}}[0] . "\n";
my $newhline =
'\pdfpageheight=' . ${$pdftex_papersize{$newpaper}}[1] . "\n";
if (defined($cpwidx)) {
$lines[$cpwidx] = $newwline;
} else {
if (defined($endinputidx)) {
$lines[$endinputidx] = $newwline . $lines[$endinputidx];
} else {
$lines[$#lines] = $newwline;
}
}
if (defined($cphidx)) {
$lines[$cphidx] = $newhline;
} else {
if (defined($endinputidx)) {
$lines[$endinputidx] = $newhline . $lines[$endinputidx];
} else {
$lines[$#lines] = $newwline;
}
}
info("$0: setting paper size for pdftex to $newpaper.\n");
mkdirhier(dirname($outfile));
# if we create the outfile we have to call mktexlsr
TeXLive::TLUtils::announce_execute_actions("files-changed")
unless (-r $outfile);
if (!open(TMP, ">$outfile")) {
tlwarn("$0: Cannot write to $outfile: $!\n");
tlwarn("Not setting paper size for pdftex.\n");
return;
}
for (@lines) { print TMP; }
close(TMP) || warn "$0: close(>$outfile) failed: $!";
TeXLive::TLUtils::announce_execute_actions("regenerate-formats");
} else {
tlwarn("$0: Not a valid paper size for pdftex: $newpaper\n");
}
}
} else {
info("Current pdftex paper size (from $inp): $currentpaper\n");
}
}
# dvips config.ps format:
# /--- config.ps ---
# |...
# |stuff not related to paper sizes
# |...
# | <empty line>
# |% some comments
# |% more comments
# |@ <NAME> <WIDTH> <HEIGHT>
# |@+ ...definition line
# |@+ ...definition line
# |... more definition lines
# |@+ %%EndPaperSize
# |
# |@ <NAME> <WIDTH> <HEIGHT>
# |...
# \------------
#
# the first paper definition is the default
# selecting paper is done like with texconfig which used ed to move the
# selected part between @ $selected_paper .... @ /-1 (the line before the
# next @ line) to the line before the first @ line.
# (what a tricky ed invocation te created there, impressive!!!)
#
# Reading is done via --progname=dvips --format='dvips config' config.ps
# Writing is done to TEXMFSYSCONFIG/dvips/config/config.ps
#
sub paper_dvips {
my $outtree = shift;
my $newpaper = shift;
my ($outcomp, $filecomp) = setup_names("dvips");
my $dftfile = $default_paper_config_name{"dvips"};
my $outfile = "$outtree/$outcomp/$filecomp";
my $inp = &find_paper_file("dvips", "dvips config", $filecomp, $dftfile);
return unless $inp;
open(FOO, "<$inp") || die "$0: open($inp) failed: $!";
my @lines = <FOO>;
close(FOO);
my @papersizes;
my $firstpaperidx;
my %startidx;
my %endidx;
my $in_block = "";
my $idx = 0;
for my $idx (0 .. $#lines) {
if ($lines[$idx] =~ m/^@ (\w+)/) {
$startidx{$1} = $idx;
$firstpaperidx || ($firstpaperidx = $idx-1);
$in_block = $1;
push @papersizes, $1;
next;
}
# empty lines or comments stop a block
if ($in_block) {
if ($lines[$idx] =~ m/^\s*(%.*)?\s*$/) {
$endidx{$in_block} = $idx-1;
$in_block = "";
}
next;
}
}
if (defined($newpaper)) {
if ($newpaper eq "--list") {
for my $p (@papersizes) {
info("$p\n"); # first is already the selected one
}
} elsif ($newpaper eq "--returnlist") {
return(@papersizes);
} else {
my $found = 0;
for my $p (@papersizes) {
if ($p eq $newpaper) {
$found = 1;
last;
}
}
if ($found) {
my @newlines;
for my $idx (0..$#lines) {
if ($idx < $firstpaperidx) {
push @newlines, $lines[$idx];
next;
}
if ($idx == $firstpaperidx) {
# insert the selected paper definition
push @newlines, @lines[$startidx{$newpaper}..$endidx{$newpaper}];
push @newlines, $lines[$idx];
next;
}
if ($idx >= $startidx{$newpaper} && $idx <= $endidx{$newpaper}) {
next;
}
push @newlines, $lines[$idx];
}
info("$0: setting paper size for dvips to $newpaper.\n");
mkdirhier(dirname($outfile));
# if we create the outfile we have to call mktexlsr
TeXLive::TLUtils::announce_execute_actions("files-changed")
unless (-r $outfile);
if (!open(TMP, ">$outfile")) {
tlwarn("$0: Cannot write to $outfile: $!\n");
tlwarn("Not setting paper size for dvips.\n");
return ();
}
for (@newlines) { print TMP; }
close(TMP) || warn "$0: close(>$outfile) failed: $!";
} else {
tlwarn("$0: Not a valid paper size for dvips: $newpaper\n");
}
}
} else {
info("Current dvips paper size (from $inp): $papersizes[0]\n");
}
}
# dvipdfm(x) format:
# /--- dvipdfm/config, dvipdfmx/dvipdfmx.cfg ---
# |...
# |p <NAME>
# |...
# \------------
#
# Reading is done
# for dvipdfm via --progname=dvipdfm --format='other text files' config
# for dvipdfmx via --progname=dvipdfmx --format='other text files' dvipdfmx.cfg
# Writing is done to TEXMFSYSCONFIG/dvipdfm/config/config
# and /dvipdfmx/dvipdfmx.cfg
#
#
sub do_dvipdfm_and_x {
my ($inp,$prog,$outtree,$paplist,$newpaper) = @_;
my ($outcomp, $filecomp) = setup_names($prog);
my $outfile = "$outtree/$outcomp/$filecomp";
return &paper_do_simple($inp, $prog, '^p\s+', '^p\s+(\w+)\s*$',
sub {
my ($ll,$np) = @_;
$ll =~ s/^p\s+(\w+)\s*$/p $np\n/;
return($ll);
}, $outfile, $paplist, '(undefined)', 'p a4', $newpaper);
}
sub paper_dvipdfm {
my $outtree = shift;
my $newpaper = shift;
my ($outcomp, $filecomp) = setup_names("dvipdfm");
my $dftfile = $default_paper_config_name{"dvipdfm"};
my $inp = &find_paper_file("dvipdfm", "other text files", $filecomp, $dftfile);
return () unless $inp;
my @sizes = keys %dvipdfm_papersize;
return &do_dvipdfm_and_x($inp, "dvipdfm", $outtree, \@sizes, $newpaper);
}
sub paper_dvipdfmx {
my $outtree = shift;
my $newpaper = shift;
my ($outcomp, $filecomp) = setup_names("dvipdfmx");
my $dftfile = $default_paper_config_name{"dvipdfmx"};
my $inp = &find_paper_file("dvipdfmx", "other text files", $filecomp, $dftfile);
return () unless $inp;
my @sizes = keys %dvipdfm_papersize;
return &do_dvipdfm_and_x($inp, "dvipdfmx", $outtree, \@sizes, $newpaper);
}
# context format:
# /--- cont-sys.{tex,rme}
# |...
# |\setuppapersize[letter][letter]
# |...
# \------------
#
sub paper_context {
my $outtree = shift;
my $newpaper = shift;
my ($outcomp, $filecomp) = setup_names("context");
my $dftfile = $default_paper_config_name{"context"};
my $outfile = "$outtree/$outcomp/$filecomp";
my $inp = &find_paper_file("context", "tex", $filecomp, "cont-sys.rme", $dftfile);
return () unless $inp;
my @sizes = keys %pdftex_papersize;
# take care here, the \\\\ are necessary in some places and not in
# some others because there is no intermediate evaluation
return &paper_do_simple($inp, "context", '^\s*\\\\setuppapersize\s*',
'^\s*\\\\setuppapersize\s*\[([^][]*)\].*$',
sub {
my ($ll,$np) = @_;
if ($ll =~ m/^\s*\\setuppapersize\s*/) {
return("\\setuppapersize[$np][$np]\n");
} else {
return($ll);
}
},
$outfile, \@sizes, 'a4', '\setuppapersize[a4][a4]', $newpaper);
}
# paper_do_simple does the work for single line config files
# (xdvi, dvipdfm, ...)
# arguments:
# $inp, $prog, $firstre, $secondre, $bl, $outp, $paplist, $newpaper
# with
# $inp .. input file location
# $prog .. program name
# $firstre .. re that searches for paper lines
# $secondre .. re that extracts the paper from a paper line
# $bl .. block/sub taking two args, one paper line and the new paper, and
# returns the line with the paper configured, only lines mathing
# $firstre are shipped over to $bl
# $outp .. location of the output file
# $paplist .. ref to an array with the list of admissible paper sizes
# $defaultpaper .. default papersize (arbitrary string) if the $firstre is
# not found in the config file
# $defaultline .. the line to be added at the bottom of the file if
# no line has been found
# $newpaper .. --list, new paper, or undef
sub paper_do_simple {
my ($inp, $prog, $firstre, $secondre, $bl, $outp, $paplist, $defaultpaper, $defaultline, $newpaper) = @_;
debug("file used for $prog: $inp\n");
open(FOO, "<$inp") or die("cannot open file $inp: $!");
my @lines = <FOO>;
close(FOO);
my $currentpaper;
my @paperlines = grep (m/$firstre/,@lines);
if (!@paperlines) {
$currentpaper = $defaultpaper;
} else {
if ($#paperlines > 0) {
warn "Strange, more than one paper definition, using the first one in\n$inp\n";
}
$currentpaper = $paperlines[0];
chomp($currentpaper);
$currentpaper =~ s/$secondre/$1/;
}
# change value
if (defined($newpaper)) {
if ($newpaper eq "--list") {
info("$currentpaper\n");
for my $p (@$paplist) {
info("$p\n") unless ($p eq $currentpaper);
}
} elsif ($newpaper eq "--returnlist") {
my @ret = ();
push @ret, $currentpaper;
for my $p (@$paplist) {
push @ret, $p unless ($p eq $currentpaper);
}
return(@ret);
} else {
my $found = 0;
for my $p (@$paplist) {
if ($p eq $newpaper) {
$found = 1;
last;
}
}
if ($found) {
my @newlines;
my $foundcfg = 0;
for my $l (@lines) {
if ($l =~ m/$firstre/) {
push @newlines, &$bl($l, $newpaper);
$foundcfg = 1;
} else {
push @newlines, $l;
}
}
# what to do if no default line found???
if (!$foundcfg) {
push @newlines, &$bl($defaultline, $newpaper);
}
info("$0: setting paper size for $prog to $newpaper.\n");
mkdirhier(dirname($outp));
# if we create the outfile we have to call mktexlsr
TeXLive::TLUtils::announce_execute_actions("files-changed")
unless (-r $outp);
if (!open(TMP, ">$outp")) {
tlwarn("$0: Cannot write to $outp: $!\n");
tlwarn("Not setting paper size for $prog.\n");
return;
}
for (@newlines) { print TMP; }
close(TMP) || warn "$0: close(>$outfile) failed: $!";
TeXLive::TLUtils::announce_execute_actions("regenerate-formats")
if ($prog eq "context");
} else {
tlwarn("$0: Not a valid paper size for $prog: $newpaper\n");
}
}
} else {
# return the current value
info("Current $prog paper size (from $inp): $currentpaper\n");
}
}
=back
=cut
1;
### Local Variables:
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### indent-tabs-mode: nil
### End:
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