This should be enough from the SGMLtools distribution to make the

SGMLtools happy.

The only symlink you need now is dist/birddoc -> dist/sgmltool. I'm
convinced it could be avoided by renaming the directory instead, but I'd
rather avoid it due to CVS pecularities.

1 files changed, 244 insertions, 0 deletions

diff --git a/doc/sbase/dist/fmt_latex2e.pl b/doc/sbase/dist/fmt_latex2e.pl
new file mode 100644
index 0000000..03b07f5
--- /dev/null
+++ b/doc/sbase/dist/fmt_latex2e.pl
@@ -0,0 +1,244 @@
+#
+#  fmt_latex2e.pl
+#
+#  $Id$
+#
+#  LaTeX-specific driver stuff
+#
+#  © Copyright 1996, Cees de Groot
+#
+package SGMLTools::fmt_latex2e;
+use strict;
+
+use SGMLTools::CharEnts;
+use SGMLTools::Vars;
+use SGMLTools::Lang;
+
+use File::Copy;
+
+my $latex2e = {};
+$latex2e->{NAME} = "latex2e";
+$latex2e->{HELP} = <<EOF;
+  Note that this output format requires LaTeX 2e.
+
+EOF
+$latex2e->{OPTIONS} = [
+   { option => "output", type => "l", 
+     'values' => [ "dvi", "tex", "ps" ], short => "o" },
+   { option => "bibtex", type => "f",  short => "b" },
+   { option => "makeindex", type => "f",  short => "m" },
+   { option => "pagenumber", type => "i", short => "n" },
+   { option => "quick",  type => "f",  short => "q" }
+];
+$latex2e->{output} = "dvi";
+$latex2e->{pagenumber} = 1;
+$latex2e->{quick}  = 0;
+$latex2e->{bibtex}  = 0;
+$latex2e->{makeindex} = 0;
+$latex2e->{preNSGMLS} = sub {
+  $global->{NsgmlsOpts} .= " -ifmttex ";
+};
+
+$Formats{$latex2e->{NAME}} = $latex2e;
+
+
+# extra `\\' here for standard `nsgmls' output
+my %latex2e_escapes;
+$latex2e_escapes{'#'} = '\\\\#';
+$latex2e_escapes{'$'} = '\\\\$';
+$latex2e_escapes{'%'} = '\\\\%';
+$latex2e_escapes{'&'} = '\\\\&';
+$latex2e_escapes{'~'} = '\\\\~{}';
+$latex2e_escapes{'_'} = '\\\\_';
+$latex2e_escapes{'^'} = '\\\\^{}';
+$latex2e_escapes{'\\'} = '\\verb+\\+';
+$latex2e_escapes{'{'} = '\\\\{';
+$latex2e_escapes{'}'} = '\\\\}';
+$latex2e_escapes{'>'} = '{$>$}';
+$latex2e_escapes{'<'} = '{$<$}';	# wouldn't happen, but that's what'd be
+$latex2e_escapes{'|'} = '{$|$}';
+
+my $in_verb;
+
+# passed to `parse_data' below in latex2e_preASP
+my $latex2e_escape = sub {
+    my ($data) = @_;
+
+    if (!$in_verb) {
+	# escape special characters
+	$data =~ s|([#\$%&~_^\\{}<>\|])|$latex2e_escapes{$1}|ge;
+    }
+
+    return ($data);
+};
+
+#
+#  Translate character entities and escape LaTeX special chars.
+#
+$latex2e->{preASP} = sub
+{
+  my ($infile, $outfile) = @_;
+
+  # note the conversion of `sdata_dirs' list to an anonymous array to
+  # make a single argument
+  my $tex_char_maps = load_char_maps ('.2tex', [ Text::EntityMap::sdata_dirs() ]);
+
+  # ASCII char maps are used in the verbatim environment because TeX
+  # ignores all the escapes
+  my $ascii_char_maps = load_char_maps ('.2ab', [ Text::EntityMap::sdata_dirs() ]);
+  $ascii_char_maps = load_char_maps ('.2l1b', [ Text::EntityMap::sdata_dirs() ]) if $global->{charset} eq "latin";
+
+  my $char_maps = $tex_char_maps;
+
+  # used in `latex2e_escape' anonymous sub to switch between escaping
+  # characters from SGML source or not, depending on whether we're in
+  # a VERB or CODE environment or not
+  $in_verb = 0;
+
+  while (<$infile>)
+    {
+      if (/^-/)
+        {
+	    my ($str) = $';
+	    chop ($str);
+	    print $outfile "-" . parse_data ($str, $char_maps, $latex2e_escape) . "\n";
+        }
+      elsif (/^A/)
+        {
+	  /^A(\S+) (IMPLIED|CDATA|NOTATION|ENTITY|TOKEN)( (.*))?$/
+	      || die "bad attribute data: $_\n";
+	  my ($name,$type,$value) = ($1,$2,$4);
+	  if ($type eq "CDATA")
+	    {
+	      # CDATA attributes get translated also
+	      if ($name eq "URL" or $name eq "ID")
+	        {
+		  # URL for url.sty is a kind of verbatim...
+		  my $old_verb = $in_verb;
+		  $in_verb = 1;
+		  $value = parse_data ($value, $ascii_char_maps, 
+		      $latex2e_escape);
+		  $in_verb = $old_verb;
+		}
+	      else
+	        {
+	          $value = parse_data ($value, $char_maps, $latex2e_escape);
+		}
+	    }
+	  print $outfile "A$name $type $value\n";
+        }
+      elsif (/^\((VERB|CODE)/)
+        {
+	  print $outfile $_;
+	  # going into VERB/CODE section
+	  $in_verb = 1;
+	  $char_maps = $ascii_char_maps;
+	}
+      elsif (/^\)(VERB|CODE)/)
+        {
+	  print $outfile $_;
+	  # leaving VERB/CODE section
+	  $in_verb = 0;
+	  $char_maps = $tex_char_maps;
+	}
+      else
+        {
+	  print $outfile $_;
+        }
+    }
+};
+
+#
+#  Take the sgmlsasp output, and make something
+#  useful from it.
+#
+$latex2e->{postASP} = sub
+{
+  my $infile = shift;
+  my $filename = $global->{filename};
+  $ENV{TEXINPUTS} .= ":$main::LibDir";
+
+  #
+  #  Set the correct \documentclass options. The if statement is just
+  #  a small optimization.
+  #
+  if ($global->{language} ne "en" ||
+      $global->{papersize} ne "a4" ||
+      $latex2e->{pagenumber} != 1 ||
+      $global->{pass} ne "" ||
+      $latex2e->{makeindex})
+    {
+      my $langlit = ISO2English ($global->{language});
+      $langlit = ($langlit eq 'english') ? "" : ",$langlit"; 
+      my $replace = $global->{papersize} . 'paper' .   $langlit;
+      open OUTFILE, ">$filename.tex";
+      while (<$infile>)
+        {
+          if (/^\\documentclass/) 
+	    {
+	      s/\\documentclass\[.*\]/\\documentclass\[$replace\]/;
+              $_ = $_ . "\\makeindex\n" if ($latex2e->{makeindex});
+            }  
+          if (/%end-preamble/)
+	    {
+	      if ($latex2e->{pagenumber}) 
+                {
+		  $_ = $_ . '\setcounter{page}{'. 
+		       $latex2e->{pagenumber} . "}\n";
+	        } 
+	      else 
+	        {
+		  $_ = $_ . "\\pagestyle{empty}\n";
+	        }
+	      $_ = $_ . $global->{pass} . "\n" if ($global->{pass});
+	    }
+	  print OUTFILE;
+	}
+      close OUTFILE;
+    }
+  else
+    {
+      copy ($infile, "$filename.tex");
+    }
+
+  #
+  #  LaTeX, dvips, and assorted cleanups.
+  #
+  if ($latex2e->{output} eq "tex")
+    { 
+      return 0; 
+    }
+
+  #
+  # Run LaTeX in nonstop mode so it won't prompt & hang on errors.
+  # Suppress the output of LaTeX on all but the last pass, after
+  # references have been resolved.  This avoids large numbers of
+  # spurious warnings.
+  #
+  my ($latexcommand) = "latex '\\nonstopmode\\input{$filename.tex}'";
+  my ($suppress) = $latex2e->{quick} ? "" : ' >/dev/null';
+
+  system $latexcommand . $suppress  || die "LaTeX problem\n";
+  $latex2e->{bibtex} && system "bibtex $filename.tex";
+  $latex2e->{quick} || system $latexcommand . ' >/dev/null';
+  $latex2e->{quick} || system $latexcommand;
+  if ($global->{debug} == 0)
+    {
+      my @suffixes = qw(log blg aux toc lof lot dlog bbl);
+      for my $suf (@suffixes)
+        {
+          unlink "$filename.$suf";
+        }
+    }
+  if ($latex2e->{output} eq "dvi")
+    {
+      $global->{debug} || unlink "$filename.tex";
+      return 0;
+    }
+  `dvips -q -t $global->{papersize} -o $filename.ps $filename.dvi`;
+  $global->{debug} || unlink ("$filename.dvi", "$filename.tex");
+
+  return 0;
+};
+
+1;