| 1 |
148 |
jeremybenn |
#! /usr/bin/perl -w
|
| 2 |
|
|
|
| 3 |
|
|
# Copyright (C) 1999, 2000, 2001, 2003 Free Software Foundation, Inc.
|
| 4 |
|
|
|
| 5 |
|
|
# This file is part of GCC.
|
| 6 |
|
|
|
| 7 |
|
|
# GCC is free software; you can redistribute it and/or modify
|
| 8 |
|
|
# it under the terms of the GNU General Public License as published by
|
| 9 |
|
|
# the Free Software Foundation; either version 2, or (at your option)
|
| 10 |
|
|
# any later version.
|
| 11 |
|
|
|
| 12 |
|
|
# GCC is distributed in the hope that it will be useful,
|
| 13 |
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 14 |
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 15 |
|
|
# GNU General Public License for more details.
|
| 16 |
|
|
|
| 17 |
|
|
# You should have received a copy of the GNU General Public License
|
| 18 |
|
|
# along with GCC; see the file COPYING. If not, write to
|
| 19 |
|
|
# the Free Software Foundation, 51 Franklin Street, Fifth Floor,
|
| 20 |
|
|
# Boston MA 02110-1301, USA.
|
| 21 |
|
|
|
| 22 |
|
|
# This does trivial (and I mean _trivial_) conversion of Texinfo
|
| 23 |
|
|
# markup to Perl POD format. It's intended to be used to extract
|
| 24 |
|
|
# something suitable for a manpage from a Texinfo document.
|
| 25 |
|
|
|
| 26 |
|
|
$output = 0;
|
| 27 |
|
|
$skipping = 0;
|
| 28 |
|
|
%sects = ();
|
| 29 |
|
|
$section = "";
|
| 30 |
|
|
@icstack = ();
|
| 31 |
|
|
@endwstack = ();
|
| 32 |
|
|
@skstack = ();
|
| 33 |
|
|
@instack = ();
|
| 34 |
|
|
$shift = "";
|
| 35 |
|
|
%defs = ();
|
| 36 |
|
|
$fnno = 1;
|
| 37 |
|
|
$inf = "";
|
| 38 |
|
|
$ibase = "";
|
| 39 |
|
|
@ipath = ();
|
| 40 |
|
|
|
| 41 |
|
|
while ($_ = shift) {
|
| 42 |
|
|
if (/^-D(.*)$/) {
|
| 43 |
|
|
if ($1 ne "") {
|
| 44 |
|
|
$flag = $1;
|
| 45 |
|
|
} else {
|
| 46 |
|
|
$flag = shift;
|
| 47 |
|
|
}
|
| 48 |
|
|
$value = "";
|
| 49 |
|
|
($flag, $value) = ($flag =~ /^([^=]+)(?:=(.+))?/);
|
| 50 |
|
|
die "no flag specified for -D\n"
|
| 51 |
|
|
unless $flag ne "";
|
| 52 |
|
|
die "flags may only contain letters, digits, hyphens, dashes and underscores\n"
|
| 53 |
|
|
unless $flag =~ /^[a-zA-Z0-9_-]+$/;
|
| 54 |
|
|
$defs{$flag} = $value;
|
| 55 |
|
|
} elsif (/^-I(.*)$/) {
|
| 56 |
|
|
if ($1 ne "") {
|
| 57 |
|
|
$flag = $1;
|
| 58 |
|
|
} else {
|
| 59 |
|
|
$flag = shift;
|
| 60 |
|
|
}
|
| 61 |
|
|
push (@ipath, $flag);
|
| 62 |
|
|
} elsif (/^-/) {
|
| 63 |
|
|
usage();
|
| 64 |
|
|
} else {
|
| 65 |
|
|
$in = $_, next unless defined $in;
|
| 66 |
|
|
$out = $_, next unless defined $out;
|
| 67 |
|
|
usage();
|
| 68 |
|
|
}
|
| 69 |
|
|
}
|
| 70 |
|
|
|
| 71 |
|
|
if (defined $in) {
|
| 72 |
|
|
$inf = gensym();
|
| 73 |
|
|
open($inf, "<$in") or die "opening \"$in\": $!\n";
|
| 74 |
|
|
$ibase = $1 if $in =~ m|^(.+)/[^/]+$|;
|
| 75 |
|
|
} else {
|
| 76 |
|
|
$inf = \*STDIN;
|
| 77 |
|
|
}
|
| 78 |
|
|
|
| 79 |
|
|
if (defined $out) {
|
| 80 |
|
|
open(STDOUT, ">$out") or die "opening \"$out\": $!\n";
|
| 81 |
|
|
}
|
| 82 |
|
|
|
| 83 |
|
|
while(defined $inf) {
|
| 84 |
|
|
while(<$inf>) {
|
| 85 |
|
|
# Certain commands are discarded without further processing.
|
| 86 |
|
|
/^\@(?:
|
| 87 |
|
|
[a-z]+index # @*index: useful only in complete manual
|
| 88 |
|
|
|need # @need: useful only in printed manual
|
| 89 |
|
|
|(?:end\s+)?group # @group .. @end group: ditto
|
| 90 |
|
|
|page # @page: ditto
|
| 91 |
|
|
|node # @node: useful only in .info file
|
| 92 |
|
|
|(?:end\s+)?ifnottex # @ifnottex .. @end ifnottex: use contents
|
| 93 |
|
|
)\b/x and next;
|
| 94 |
|
|
|
| 95 |
|
|
chomp;
|
| 96 |
|
|
|
| 97 |
|
|
# Look for filename and title markers.
|
| 98 |
|
|
/^\@setfilename\s+([^.]+)/ and $fn = $1, next;
|
| 99 |
|
|
/^\@settitle\s+([^.]+)/ and $tl = postprocess($1), next;
|
| 100 |
|
|
|
| 101 |
|
|
# Identify a man title but keep only the one we are interested in.
|
| 102 |
|
|
/^\@c\s+man\s+title\s+([A-Za-z0-9-]+)\s+(.+)/ and do {
|
| 103 |
|
|
if (exists $defs{$1}) {
|
| 104 |
|
|
$fn = $1;
|
| 105 |
|
|
$tl = postprocess($2);
|
| 106 |
|
|
}
|
| 107 |
|
|
next;
|
| 108 |
|
|
};
|
| 109 |
|
|
|
| 110 |
|
|
# Look for blocks surrounded by @c man begin SECTION ... @c man end.
|
| 111 |
|
|
# This really oughta be @ifman ... @end ifman and the like, but such
|
| 112 |
|
|
# would require rev'ing all other Texinfo translators.
|
| 113 |
|
|
/^\@c\s+man\s+begin\s+([A-Z]+)\s+([A-Za-z0-9-]+)/ and do {
|
| 114 |
|
|
$output = 1 if exists $defs{$2};
|
| 115 |
|
|
$sect = $1;
|
| 116 |
|
|
next;
|
| 117 |
|
|
};
|
| 118 |
|
|
/^\@c\s+man\s+begin\s+([A-Z]+)/ and $sect = $1, $output = 1, next;
|
| 119 |
|
|
/^\@c\s+man\s+end/ and do {
|
| 120 |
|
|
$sects{$sect} = "" unless exists $sects{$sect};
|
| 121 |
|
|
$sects{$sect} .= postprocess($section);
|
| 122 |
|
|
$section = "";
|
| 123 |
|
|
$output = 0;
|
| 124 |
|
|
next;
|
| 125 |
|
|
};
|
| 126 |
|
|
|
| 127 |
|
|
# handle variables
|
| 128 |
|
|
/^\@set\s+([a-zA-Z0-9_-]+)\s*(.*)$/ and do {
|
| 129 |
|
|
$defs{$1} = $2;
|
| 130 |
|
|
next;
|
| 131 |
|
|
};
|
| 132 |
|
|
/^\@clear\s+([a-zA-Z0-9_-]+)/ and do {
|
| 133 |
|
|
delete $defs{$1};
|
| 134 |
|
|
next;
|
| 135 |
|
|
};
|
| 136 |
|
|
|
| 137 |
|
|
next unless $output;
|
| 138 |
|
|
|
| 139 |
|
|
# Discard comments. (Can't do it above, because then we'd never see
|
| 140 |
|
|
# @c man lines.)
|
| 141 |
|
|
/^\@c\b/ and next;
|
| 142 |
|
|
|
| 143 |
|
|
# End-block handler goes up here because it needs to operate even
|
| 144 |
|
|
# if we are skipping.
|
| 145 |
|
|
/^\@end\s+([a-z]+)/ and do {
|
| 146 |
|
|
# Ignore @end foo, where foo is not an operation which may
|
| 147 |
|
|
# cause us to skip, if we are presently skipping.
|
| 148 |
|
|
my $ended = $1;
|
| 149 |
|
|
next if $skipping && $ended !~ /^(?:ifset|ifclear|ignore|menu|iftex|copying)$/;
|
| 150 |
|
|
|
| 151 |
|
|
die "\@end $ended without \@$ended at line $.\n" unless defined $endw;
|
| 152 |
|
|
die "\@$endw ended by \@end $ended at line $.\n" unless $ended eq $endw;
|
| 153 |
|
|
|
| 154 |
|
|
$endw = pop @endwstack;
|
| 155 |
|
|
|
| 156 |
|
|
if ($ended =~ /^(?:ifset|ifclear|ignore|menu|iftex)$/) {
|
| 157 |
|
|
$skipping = pop @skstack;
|
| 158 |
|
|
next;
|
| 159 |
|
|
} elsif ($ended =~ /^(?:example|smallexample|display)$/) {
|
| 160 |
|
|
$shift = "";
|
| 161 |
|
|
$_ = ""; # need a paragraph break
|
| 162 |
|
|
} elsif ($ended =~ /^(?:itemize|enumerate|[fv]?table)$/) {
|
| 163 |
|
|
$_ = "\n=back\n";
|
| 164 |
|
|
$ic = pop @icstack;
|
| 165 |
|
|
} elsif ($ended eq "multitable") {
|
| 166 |
|
|
$_ = "\n=back\n";
|
| 167 |
|
|
} else {
|
| 168 |
|
|
die "unknown command \@end $ended at line $.\n";
|
| 169 |
|
|
}
|
| 170 |
|
|
};
|
| 171 |
|
|
|
| 172 |
|
|
# We must handle commands which can cause skipping even while we
|
| 173 |
|
|
# are skipping, otherwise we will not process nested conditionals
|
| 174 |
|
|
# correctly.
|
| 175 |
|
|
/^\@ifset\s+([a-zA-Z0-9_-]+)/ and do {
|
| 176 |
|
|
push @endwstack, $endw;
|
| 177 |
|
|
push @skstack, $skipping;
|
| 178 |
|
|
$endw = "ifset";
|
| 179 |
|
|
$skipping = 1 unless exists $defs{$1};
|
| 180 |
|
|
next;
|
| 181 |
|
|
};
|
| 182 |
|
|
|
| 183 |
|
|
/^\@ifclear\s+([a-zA-Z0-9_-]+)/ and do {
|
| 184 |
|
|
push @endwstack, $endw;
|
| 185 |
|
|
push @skstack, $skipping;
|
| 186 |
|
|
$endw = "ifclear";
|
| 187 |
|
|
$skipping = 1 if exists $defs{$1};
|
| 188 |
|
|
next;
|
| 189 |
|
|
};
|
| 190 |
|
|
|
| 191 |
|
|
/^\@(ignore|menu|iftex|copying)\b/ and do {
|
| 192 |
|
|
push @endwstack, $endw;
|
| 193 |
|
|
push @skstack, $skipping;
|
| 194 |
|
|
$endw = $1;
|
| 195 |
|
|
$skipping = 1;
|
| 196 |
|
|
next;
|
| 197 |
|
|
};
|
| 198 |
|
|
|
| 199 |
|
|
next if $skipping;
|
| 200 |
|
|
|
| 201 |
|
|
# Character entities. First the ones that can be replaced by raw text
|
| 202 |
|
|
# or discarded outright:
|
| 203 |
|
|
s/\@copyright\{\}/(c)/g;
|
| 204 |
|
|
s/\@dots\{\}/.../g;
|
| 205 |
|
|
s/\@enddots\{\}/..../g;
|
| 206 |
|
|
s/\@([.!? ])/$1/g;
|
| 207 |
|
|
s/\@[:-]//g;
|
| 208 |
|
|
s/\@bullet(?:\{\})?/*/g;
|
| 209 |
|
|
s/\@TeX\{\}/TeX/g;
|
| 210 |
|
|
s/\@pounds\{\}/\#/g;
|
| 211 |
|
|
s/\@minus(?:\{\})?/-/g;
|
| 212 |
|
|
s/\\,/,/g;
|
| 213 |
|
|
|
| 214 |
|
|
# Now the ones that have to be replaced by special escapes
|
| 215 |
|
|
# (which will be turned back into text by unmunge())
|
| 216 |
|
|
s/&/&/g;
|
| 217 |
|
|
s/\@\{/{/g;
|
| 218 |
|
|
s/\@\}/}/g;
|
| 219 |
|
|
s/\@\@/&at;/g;
|
| 220 |
|
|
|
| 221 |
|
|
# Inside a verbatim block, handle @var specially.
|
| 222 |
|
|
if ($shift ne "") {
|
| 223 |
|
|
s/\@var\{([^\}]*)\}/<$1>/g;
|
| 224 |
|
|
}
|
| 225 |
|
|
|
| 226 |
|
|
# POD doesn't interpret E<> inside a verbatim block.
|
| 227 |
|
|
if ($shift eq "") {
|
| 228 |
|
|
s/</</g;
|
| 229 |
|
|
s/>/>/g;
|
| 230 |
|
|
} else {
|
| 231 |
|
|
s/</</g;
|
| 232 |
|
|
s/>/>/g;
|
| 233 |
|
|
}
|
| 234 |
|
|
|
| 235 |
|
|
# Single line command handlers.
|
| 236 |
|
|
|
| 237 |
|
|
/^\@include\s+(.+)$/ and do {
|
| 238 |
|
|
push @instack, $inf;
|
| 239 |
|
|
$inf = gensym();
|
| 240 |
|
|
$file = postprocess($1);
|
| 241 |
|
|
|
| 242 |
|
|
# Try cwd and $ibase, then explicit -I paths.
|
| 243 |
|
|
$done = 0;
|
| 244 |
|
|
foreach $path ("", $ibase, @ipath) {
|
| 245 |
|
|
$mypath = $file;
|
| 246 |
|
|
$mypath = $path . "/" . $mypath if ($path ne "");
|
| 247 |
|
|
open($inf, "<" . $mypath) and ($done = 1, last);
|
| 248 |
|
|
}
|
| 249 |
|
|
die "cannot find $file" if !$done;
|
| 250 |
|
|
next;
|
| 251 |
|
|
};
|
| 252 |
|
|
|
| 253 |
|
|
/^\@(?:section|unnumbered|unnumberedsec|center)\s+(.+)$/
|
| 254 |
|
|
and $_ = "\n=head2 $1\n";
|
| 255 |
|
|
/^\@subsection\s+(.+)$/
|
| 256 |
|
|
and $_ = "\n=head3 $1\n";
|
| 257 |
|
|
/^\@subsubsection\s+(.+)$/
|
| 258 |
|
|
and $_ = "\n=head4 $1\n";
|
| 259 |
|
|
|
| 260 |
|
|
# Block command handlers:
|
| 261 |
|
|
/^\@itemize(?:\s+(\@[a-z]+|\*|-))?/ and do {
|
| 262 |
|
|
push @endwstack, $endw;
|
| 263 |
|
|
push @icstack, $ic;
|
| 264 |
|
|
if (defined $1) {
|
| 265 |
|
|
$ic = $1;
|
| 266 |
|
|
} else {
|
| 267 |
|
|
$ic = '*';
|
| 268 |
|
|
}
|
| 269 |
|
|
$_ = "\n=over 4\n";
|
| 270 |
|
|
$endw = "itemize";
|
| 271 |
|
|
};
|
| 272 |
|
|
|
| 273 |
|
|
/^\@enumerate(?:\s+([a-zA-Z0-9]+))?/ and do {
|
| 274 |
|
|
push @endwstack, $endw;
|
| 275 |
|
|
push @icstack, $ic;
|
| 276 |
|
|
if (defined $1) {
|
| 277 |
|
|
$ic = $1 . ".";
|
| 278 |
|
|
} else {
|
| 279 |
|
|
$ic = "1.";
|
| 280 |
|
|
}
|
| 281 |
|
|
$_ = "\n=over 4\n";
|
| 282 |
|
|
$endw = "enumerate";
|
| 283 |
|
|
};
|
| 284 |
|
|
|
| 285 |
|
|
/^\@multitable\s.*/ and do {
|
| 286 |
|
|
push @endwstack, $endw;
|
| 287 |
|
|
$endw = "multitable";
|
| 288 |
|
|
$_ = "\n=over 4\n";
|
| 289 |
|
|
};
|
| 290 |
|
|
|
| 291 |
|
|
/^\@([fv]?table)\s+(\@[a-z]+)/ and do {
|
| 292 |
|
|
push @endwstack, $endw;
|
| 293 |
|
|
push @icstack, $ic;
|
| 294 |
|
|
$endw = $1;
|
| 295 |
|
|
$ic = $2;
|
| 296 |
|
|
$ic =~ s/\@(?:samp|strong|key|gcctabopt|env)/B/;
|
| 297 |
|
|
$ic =~ s/\@(?:code|kbd)/C/;
|
| 298 |
|
|
$ic =~ s/\@(?:dfn|var|emph|cite|i)/I/;
|
| 299 |
|
|
$ic =~ s/\@(?:file)/F/;
|
| 300 |
|
|
$_ = "\n=over 4\n";
|
| 301 |
|
|
};
|
| 302 |
|
|
|
| 303 |
|
|
/^\@((?:small)?example|display)/ and do {
|
| 304 |
|
|
push @endwstack, $endw;
|
| 305 |
|
|
$endw = $1;
|
| 306 |
|
|
$shift = "\t";
|
| 307 |
|
|
$_ = ""; # need a paragraph break
|
| 308 |
|
|
};
|
| 309 |
|
|
|
| 310 |
|
|
/^\@item\s+(.*\S)\s*$/ and $endw eq "multitable" and do {
|
| 311 |
|
|
@columns = ();
|
| 312 |
|
|
for $column (split (/\s*\@tab\s*/, $1)) {
|
| 313 |
|
|
# @strong{...} is used a @headitem work-alike
|
| 314 |
|
|
$column =~ s/^\@strong{(.*)}$/$1/;
|
| 315 |
|
|
push @columns, $column;
|
| 316 |
|
|
}
|
| 317 |
|
|
$_ = "\n=item ".join (" : ", @columns)."\n";
|
| 318 |
|
|
};
|
| 319 |
|
|
|
| 320 |
|
|
/^\@itemx?\s*(.+)?$/ and do {
|
| 321 |
|
|
if (defined $1) {
|
| 322 |
|
|
# Entity escapes prevent munging by the <> processing below.
|
| 323 |
|
|
$_ = "\n=item $ic\<$1\>\n";
|
| 324 |
|
|
} else {
|
| 325 |
|
|
$_ = "\n=item $ic\n";
|
| 326 |
|
|
$ic =~ y/A-Ya-y/B-Zb-z/;
|
| 327 |
|
|
$ic =~ s/(\d+)/$1 + 1/eg;
|
| 328 |
|
|
}
|
| 329 |
|
|
};
|
| 330 |
|
|
|
| 331 |
|
|
$section .= $shift.$_."\n";
|
| 332 |
|
|
}
|
| 333 |
|
|
# End of current file.
|
| 334 |
|
|
close($inf);
|
| 335 |
|
|
$inf = pop @instack;
|
| 336 |
|
|
}
|
| 337 |
|
|
|
| 338 |
|
|
die "No filename or title\n" unless defined $fn && defined $tl;
|
| 339 |
|
|
|
| 340 |
|
|
$sects{NAME} = "$fn \- $tl\n";
|
| 341 |
|
|
$sects{FOOTNOTES} .= "=back\n" if exists $sects{FOOTNOTES};
|
| 342 |
|
|
|
| 343 |
|
|
for $sect (qw(NAME SYNOPSIS DESCRIPTION OPTIONS ENVIRONMENT FILES
|
| 344 |
|
|
BUGS NOTES FOOTNOTES SEEALSO AUTHOR COPYRIGHT)) {
|
| 345 |
|
|
if(exists $sects{$sect}) {
|
| 346 |
|
|
$head = $sect;
|
| 347 |
|
|
$head =~ s/SEEALSO/SEE ALSO/;
|
| 348 |
|
|
print "=head1 $head\n\n";
|
| 349 |
|
|
print scalar unmunge ($sects{$sect});
|
| 350 |
|
|
print "\n";
|
| 351 |
|
|
}
|
| 352 |
|
|
}
|
| 353 |
|
|
|
| 354 |
|
|
sub usage
|
| 355 |
|
|
{
|
| 356 |
|
|
die "usage: $0 [-D toggle...] [infile [outfile]]\n";
|
| 357 |
|
|
}
|
| 358 |
|
|
|
| 359 |
|
|
sub postprocess
|
| 360 |
|
|
{
|
| 361 |
|
|
local $_ = $_[0];
|
| 362 |
|
|
|
| 363 |
|
|
# @value{foo} is replaced by whatever 'foo' is defined as.
|
| 364 |
|
|
while (m/(\@value\{([a-zA-Z0-9_-]+)\})/g) {
|
| 365 |
|
|
if (! exists $defs{$2}) {
|
| 366 |
|
|
print STDERR "Option $2 not defined\n";
|
| 367 |
|
|
s/\Q$1\E//;
|
| 368 |
|
|
} else {
|
| 369 |
|
|
$value = $defs{$2};
|
| 370 |
|
|
s/\Q$1\E/$value/;
|
| 371 |
|
|
}
|
| 372 |
|
|
}
|
| 373 |
|
|
|
| 374 |
|
|
# Formatting commands.
|
| 375 |
|
|
# Temporary escape for @r.
|
| 376 |
|
|
s/\@r\{([^\}]*)\}/R<$1>/g;
|
| 377 |
|
|
s/\@(?:dfn|var|emph|cite|i)\{([^\}]*)\}/I<$1>/g;
|
| 378 |
|
|
s/\@(?:code|kbd)\{([^\}]*)\}/C<$1>/g;
|
| 379 |
|
|
s/\@(?:gccoptlist|samp|strong|key|option|env|command|b)\{([^\}]*)\}/B<$1>/g;
|
| 380 |
|
|
s/\@sc\{([^\}]*)\}/\U$1/g;
|
| 381 |
|
|
s/\@file\{([^\}]*)\}/F<$1>/g;
|
| 382 |
|
|
s/\@w\{([^\}]*)\}/S<$1>/g;
|
| 383 |
|
|
s/\@(?:dmn|math)\{([^\}]*)\}/$1/g;
|
| 384 |
|
|
|
| 385 |
|
|
# keep references of the form @ref{...}, print them bold
|
| 386 |
|
|
s/\@(?:ref)\{([^\}]*)\}/B<$1>/g;
|
| 387 |
|
|
|
| 388 |
|
|
# Change double single quotes to double quotes.
|
| 389 |
|
|
s/''/"/g;
|
| 390 |
|
|
s/``/"/g;
|
| 391 |
|
|
|
| 392 |
|
|
# Cross references are thrown away, as are @noindent and @refill.
|
| 393 |
|
|
# (@noindent is impossible in .pod, and @refill is unnecessary.)
|
| 394 |
|
|
# @* is also impossible in .pod; we discard it and any newline that
|
| 395 |
|
|
# follows it. Similarly, our macro @gol must be discarded.
|
| 396 |
|
|
|
| 397 |
|
|
s/\(?\@xref\{(?:[^\}]*)\}(?:[^.<]|(?:<[^<>]*>))*\.\)?//g;
|
| 398 |
|
|
s/\s+\(\@pxref\{(?:[^\}]*)\}\)//g;
|
| 399 |
|
|
s/;\s+\@pxref\{(?:[^\}]*)\}//g;
|
| 400 |
|
|
s/\@noindent\s*//g;
|
| 401 |
|
|
s/\@refill//g;
|
| 402 |
|
|
s/\@gol//g;
|
| 403 |
|
|
s/\@\*\s*\n?//g;
|
| 404 |
|
|
|
| 405 |
|
|
# Anchors are thrown away
|
| 406 |
|
|
s/\@anchor\{(?:[^\}]*)\}//g;
|
| 407 |
|
|
|
| 408 |
|
|
# @uref can take one, two, or three arguments, with different
|
| 409 |
|
|
# semantics each time. @url and @email are just like @uref with
|
| 410 |
|
|
# one argument, for our purposes.
|
| 411 |
|
|
s/\@(?:uref|url|email)\{([^\},]*)\}/<B<$1>>/g;
|
| 412 |
|
|
s/\@uref\{([^\},]*),([^\},]*)\}/$2 (C<$1>)/g;
|
| 413 |
|
|
s/\@uref\{([^\},]*),([^\},]*),([^\},]*)\}/$3/g;
|
| 414 |
|
|
|
| 415 |
|
|
# Un-escape <> at this point.
|
| 416 |
|
|
s/</</g;
|
| 417 |
|
|
s/>/>/g;
|
| 418 |
|
|
|
| 419 |
|
|
# Now un-nest all B<>, I<>, R<>. Theoretically we could have
|
| 420 |
|
|
# indefinitely deep nesting; in practice, one level suffices.
|
| 421 |
|
|
1 while s/([BIR])<([^<>]*)([BIR])<([^<>]*)>/$1<$2>$3<$4>$1</g;
|
| 422 |
|
|
|
| 423 |
|
|
# Replace R<...> with bare ...; eliminate empty markup, B<>;
|
| 424 |
|
|
# shift white space at the ends of [BI]<...> expressions outside
|
| 425 |
|
|
# the expression.
|
| 426 |
|
|
s/R<([^<>]*)>/$1/g;
|
| 427 |
|
|
s/[BI]<>//g;
|
| 428 |
|
|
s/([BI])<(\s+)([^>]+)>/$2$1<$3>/g;
|
| 429 |
|
|
s/([BI])<([^>]+?)(\s+)>/$1<$2>$3/g;
|
| 430 |
|
|
|
| 431 |
|
|
# Extract footnotes. This has to be done after all other
|
| 432 |
|
|
# processing because otherwise the regexp will choke on formatting
|
| 433 |
|
|
# inside @footnote.
|
| 434 |
|
|
while (/\@footnote/g) {
|
| 435 |
|
|
s/\@footnote\{([^\}]+)\}/[$fnno]/;
|
| 436 |
|
|
add_footnote($1, $fnno);
|
| 437 |
|
|
$fnno++;
|
| 438 |
|
|
}
|
| 439 |
|
|
|
| 440 |
|
|
return $_;
|
| 441 |
|
|
}
|
| 442 |
|
|
|
| 443 |
|
|
sub unmunge
|
| 444 |
|
|
{
|
| 445 |
|
|
# Replace escaped symbols with their equivalents.
|
| 446 |
|
|
local $_ = $_[0];
|
| 447 |
|
|
|
| 448 |
|
|
s/</E<lt>/g;
|
| 449 |
|
|
s/>/E<gt>/g;
|
| 450 |
|
|
s/{/\{/g;
|
| 451 |
|
|
s/}/\}/g;
|
| 452 |
|
|
s/&at;/\@/g;
|
| 453 |
|
|
s/&/&/g;
|
| 454 |
|
|
return $_;
|
| 455 |
|
|
}
|
| 456 |
|
|
|
| 457 |
|
|
sub add_footnote
|
| 458 |
|
|
{
|
| 459 |
|
|
unless (exists $sects{FOOTNOTES}) {
|
| 460 |
|
|
$sects{FOOTNOTES} = "\n=over 4\n\n";
|
| 461 |
|
|
}
|
| 462 |
|
|
|
| 463 |
|
|
$sects{FOOTNOTES} .= "=item $fnno.\n\n"; $fnno++;
|
| 464 |
|
|
$sects{FOOTNOTES} .= $_[0];
|
| 465 |
|
|
$sects{FOOTNOTES} .= "\n\n";
|
| 466 |
|
|
}
|
| 467 |
|
|
|
| 468 |
|
|
# stolen from Symbol.pm
|
| 469 |
|
|
{
|
| 470 |
|
|
my $genseq = 0;
|
| 471 |
|
|
sub gensym
|
| 472 |
|
|
{
|
| 473 |
|
|
my $name = "GEN" . $genseq++;
|
| 474 |
|
|
my $ref = \*{$name};
|
| 475 |
|
|
delete $::{$name};
|
| 476 |
|
|
return $ref;
|
| 477 |
|
|
}
|
| 478 |
|
|
}
|
