diff options
Diffstat (limited to 'texi2pod.pl')
| -rwxr-xr-x | texi2pod.pl | 96 |
1 files changed, 73 insertions, 23 deletions
diff --git a/texi2pod.pl b/texi2pod.pl index 112d44974c..5d28a056d9 100755 --- a/texi2pod.pl +++ b/texi2pod.pl @@ -1,23 +1,23 @@ #! /usr/bin/perl -w -# Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc. +# Copyright (C) 1999, 2000, 2001, 2003 Free Software Foundation, Inc. -# This file is part of GNU CC. +# This file is part of GCC. -# GNU CC is free software; you can redistribute it and/or modify +# GCC 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. -# GNU CC is distributed in the hope that it will be useful, +# GCC 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 GNU CC; see the file COPYING. If not, write to -# the Free Software Foundation, 59 Temple Place - Suite 330, -# Boston MA 02111-1307, USA. +# along with GCC; see the file COPYING. If not, write to +# the Free Software Foundation, 51 Franklin Street, Fifth Floor, +# Boston MA 02110-1301, USA. # This does trivial (and I mean _trivial_) conversion of Texinfo # markup to Perl POD format. It's intended to be used to extract @@ -36,6 +36,7 @@ $shift = ""; $fnno = 1; $inf = ""; $ibase = ""; +@ipath = (); while ($_ = shift) { if (/^-D(.*)$/) { @@ -51,6 +52,13 @@ while ($_ = shift) { die "flags may only contain letters, digits, hyphens, dashes and underscores\n" unless $flag =~ /^[a-zA-Z0-9_-]+$/; $defs{$flag} = $value; + } elsif (/^-I(.*)$/) { + if ($1 ne "") { + $flag = $1; + } else { + $flag = shift; + } + push (@ipath, $flag); } elsif (/^-/) { usage(); } else { @@ -138,7 +146,7 @@ while(<$inf>) { # Ignore @end foo, where foo is not an operation which may # cause us to skip, if we are presently skipping. my $ended = $1; - next if $skipping && $ended !~ /^(?:ifset|ifclear|ignore|menu|iftex)$/; + next if $skipping && $ended !~ /^(?:ifset|ifclear|ignore|menu|iftex|copying)$/; die "\@end $ended without \@$ended at line $.\n" unless defined $endw; die "\@$endw ended by \@end $ended at line $.\n" unless $ended eq $endw; @@ -154,6 +162,8 @@ while(<$inf>) { } elsif ($ended =~ /^(?:itemize|enumerate|[fv]?table)$/) { $_ = "\n=back\n"; $ic = pop @icstack; + } elsif ($ended eq "multitable") { + $_ = "\n=back\n"; } else { die "unknown command \@end $ended at line $.\n"; } @@ -178,7 +188,7 @@ while(<$inf>) { next; }; - /^\@(ignore|menu|iftex)\b/ and do { + /^\@(ignore|menu|iftex|copying)\b/ and do { push @endwstack, $endw; push @skstack, $skipping; $endw = $1; @@ -227,11 +237,16 @@ while(<$inf>) { /^\@include\s+(.+)$/ and do { push @instack, $inf; $inf = gensym(); - - # Try cwd and $ibase. - open($inf, "<" . $1) - or open($inf, "<" . $ibase . "/" . $1) - or die "cannot open $1 or $ibase/$1: $!\n"; + $file = postprocess($1); + + # Try cwd and $ibase, then explicit -I paths. + $done = 0; + foreach $path ("", $ibase, @ipath) { + $mypath = $file; + $mypath = $path . "/" . $mypath if ($path ne ""); + open($inf, "<" . $mypath) and ($done = 1, last); + } + die "cannot find $file" if !$done; next; }; @@ -239,12 +254,18 @@ while(<$inf>) { and $_ = "\n=head2 $1\n"; /^\@subsection\s+(.+)$/ and $_ = "\n=head3 $1\n"; + /^\@subsubsection\s+(.+)$/ + and $_ = "\n=head4 $1\n"; # Block command handlers: - /^\@itemize\s+(\@[a-z]+|\*|-)/ and do { + /^\@itemize(?:\s+(\@[a-z]+|\*|-))?/ and do { push @endwstack, $endw; push @icstack, $ic; - $ic = $1; + if (defined $1) { + $ic = $1; + } else { + $ic = '*'; + } $_ = "\n=over 4\n"; $endw = "itemize"; }; @@ -261,6 +282,12 @@ while(<$inf>) { $endw = "enumerate"; }; + /^\@multitable\s.*/ and do { + push @endwstack, $endw; + $endw = "multitable"; + $_ = "\n=over 4\n"; + }; + /^\@([fv]?table)\s+(\@[a-z]+)/ and do { push @endwstack, $endw; push @icstack, $ic; @@ -280,10 +307,19 @@ while(<$inf>) { $_ = ""; # need a paragraph break }; + /^\@item\s+(.*\S)\s*$/ and $endw eq "multitable" and do { + @columns = (); + for $column (split (/\s*\@tab\s*/, $1)) { + # @strong{...} is used a @headitem work-alike + $column =~ s/^\@strong{(.*)}$/$1/; + push @columns, $column; + } + $_ = "\n=item ".join (" : ", @columns)."\n"; + }; + /^\@itemx?\s*(.+)?$/ and do { if (defined $1) { # Entity escapes prevent munging by the <> processing below. -# print "$ic\n"; $_ = "\n=item $ic\<$1\>\n"; } else { $_ = "\n=item $ic\n"; @@ -346,6 +382,13 @@ sub postprocess s/\@w\{([^\}]*)\}/S<$1>/g; s/\@(?:dmn|math)\{([^\}]*)\}/$1/g; + # keep references of the form @ref{...}, print them bold + s/\@(?:ref)\{([^\}]*)\}/B<$1>/g; + + # Change double single quotes to double quotes. + s/''/"/g; + s/``/"/g; + # Cross references are thrown away, as are @noindent and @refill. # (@noindent is impossible in .pod, and @refill is unnecessary.) # @* is also impossible in .pod; we discard it and any newline that @@ -359,6 +402,9 @@ sub postprocess s/\@gol//g; s/\@\*\s*\n?//g; + # Anchors are thrown away + s/\@anchor\{(?:[^\}]*)\}//g; + # @uref can take one, two, or three arguments, with different # semantics each time. @url and @email are just like @uref with # one argument, for our purposes. @@ -366,14 +412,18 @@ sub postprocess s/\@uref\{([^\},]*),([^\},]*)\}/$2 (C<$1>)/g; s/\@uref\{([^\},]*),([^\},]*),([^\},]*)\}/$3/g; - # Turn B<blah I<blah> blah> into B<blah> I<blah> B<blah> to - # match Texinfo semantics of @emph inside @samp. Also handle @r - # inside bold. + # Un-escape <> at this point. s/</</g; s/>/>/g; - 1 while s/B<((?:[^<>]|I<[^<>]*>)*)R<([^>]*)>/B<$1>${2}B</g; - 1 while (s/B<([^<>]*)I<([^>]+)>/B<$1>I<$2>B</g); - 1 while (s/I<([^<>]*)B<([^>]+)>/I<$1>B<$2>I</g); + + # Now un-nest all B<>, I<>, R<>. Theoretically we could have + # indefinitely deep nesting; in practice, one level suffices. + 1 while s/([BIR])<([^<>]*)([BIR])<([^<>]*)>/$1<$2>$3<$4>$1</g; + + # Replace R<...> with bare ...; eliminate empty markup, B<>; + # shift white space at the ends of [BI]<...> expressions outside + # the expression. + s/R<([^<>]*)>/$1/g; s/[BI]<>//g; s/([BI])<(\s+)([^>]+)>/$2$1<$3>/g; s/([BI])<([^>]+?)(\s+)>/$1<$2>$3/g; |