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bib2xhtml.pl
executable file
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bib2xhtml.pl
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#!/usr/bin/env perl
# -*- perl -*-
# vim: syntax=perl
eval 'exec /usr/bin/perl -w -S $0 ${1+"$@"}'
if 0;
$version = '@VERSION@';
#
# Convert from bibtex to XHTML.
#
# (C) Copyright 1995, 1996 David Hull.
# (David Hull / [email protected] / http://www.uiuc.edu/ph/www/dlhull)
#
# (C) Copyright 2002-2010 Diomidis Spinellis
# http://www.spinellis.gr
#
# This program is free software. You can redistribute it and/or modify
# it under the terms of the GNU General Public License. See the
# files README and COPYING for details.
#
# This source code contains UTF-8 characters. You might want to use
# an appropriate editor, if you want to view/modify the LaTeX to Unicode
# substitution commands.
#
use utf8;
use warnings;
use Getopt::Std;
eval "use PDF::API2";
$have_pdf_api = 1 unless (defined $@ && $@ ne '');
# Label styles.
$label_styles{'plain'} = $LABEL_PLAIN = 1;
$label_styles{'numbered'} = $LABEL_NUMBERED = 2;
$label_styles{'default'} = $LABEL_DEFAULT = 3;
$label_styles{'paragraph'} = $LABEL_PARAGRAPH = 4;
$list_start[$LABEL_PLAIN] = 'ul class="bib2xhtml"';
$list_end[$LABEL_PLAIN] = "/ul";
$list_start[$LABEL_NUMBERED] = 'dl class="bib2xhtml"';
$list_end[$LABEL_NUMBERED] = "/dl";
$list_start[$LABEL_DEFAULT] = 'dl class="bib2xhtml"';
$list_end[$LABEL_DEFAULT] = "/dl";
$list_start[$LABEL_PARAGRAPH] = 'div class="bib2xhtml"';
$list_end[$LABEL_PARAGRAPH] = "/div";
@tmpfiles = ();
sub usage {
$program = $0;
$program =~ s+^.*/++;
print STDERR <<_EOF_;
usage: $program [-a] [-b bibtex-options] [-B bibtex-executable]
[-c] [-d delim] [-D mappings]
[-e extended-information] [-h heading] [-i] [-k]
[-m macro file] [-n name] [-r] [-R] [-s style] [-t] [-u] [-U] [-v]
sourcefile [htmlfile]
-a Write abstract to htmlfile.
-b bibtex-options
Options to pass to bibtex.
-B bibtex executable name.
-c Sort chronologically, by year, month, day, and then by author.
-d delim
Specify bibliography delimiter.
-D mappings
Specify file path to URL mappings.
-e extended-information
Specify the extended metadata information (page count, size, PDF icon)
that will be included in each citation.
-h heading
String to use instead of default title when creating a new htmlfile.
If updating an existing htmlfile, this option is ignored.
-i Use included citations
-k In labeled styles append to the label of each entry its BibTeX key.
-m macro file
Specify an additional macro file.
-n name
Highlight the specified author name in the output.
-r Sort in reverse chronological order.
-R Reference numbers increase from bottom to top, not from top to bottom.
-s style
Control style of bibliography:
(empty, plain, alpha, named, paragraph, unsort, or unsortlist).
-t Write timestamp to htmlfile.
-u Output a Unicode-coded document.
-U Treat input file as Unicode-coded document.
-v Report the version number.
_EOF_
exit(1);
}
# Return the command needed to open a (perhaps compressed) file,
# as well as the type of compression.
sub openCommand {
local($path) = @_;
local($cmd);
local($cmp);
command: {
($path =~ m/\.Z$/ &&
($cmd = "uncompress -c $path |", $cmp = "Compressed", last command));
($path =~ m/\.g?z$/ &&
($cmd = "gzip -d -c $path |", $cmp = "Gzipped", last command));
($cmd = "<$path", $cmp = "", last command);
}
($cmd, $cmp);
}
@paperTypes = ("PostScript", "PDF", "DVI", "DOI", "DJVU");
sub DJVUPageCount {
return undef;
# could be implemented later but it is not crucial...
}
sub PostScriptPageCount {
local($cmd) = @_;
local($pageCount);
#print "in PostScriptPageCount $cmd\n";
open(FILE, $cmd) || (warn "error opening $cmd: $!\n", return undef);
local($_);
local($/) = "\n";
line:
while (<FILE>) {
last line if m/^%%EndComments/;
if (m/^%%Pages:\s*(\d+)/) {
$pageCount = $1 if ($1 > 0);
last line;
}
}
close(FILE);
$pageCount;
}
sub PDFPageCount {
return undef unless ($have_pdf_api);
my($file) = @_;
$file =~ s/^\<//;
# print "in PDFPageCount $file\n";
my($pdf);
eval {$pdf = PDF::API2->open($file)};
return undef if (defined $@ && $@ ne '');
return $pdf->pages;
}
sub DVIPageCount {
local($cmd) = @_;
local($pageCount);
#print "in DVIPageCount $cmd\n";
if ($cmd =~ m/^</) {
# Simple file.
$cmd = "dviselect : $cmd >/dev/null";
} else {
# Compressed file.
$cmd .= "dviselect : >/dev/null";
}
# Look at dviselect's stderr.
open(DVISELECT, "-|") || (open(STDERR, ">&STDOUT"), exec $cmd);
local($_);
local($/) = "\n";
line:
while (<DVISELECT>) {
if (m/[Ww]rote (\d+) pages/) {
$pageCount = $1;
last line;
}
}
close(DVISELECT);
$pageCount;
}
# Make an intelligent link to a paper file.
sub doPaperLinks {
local($file);
local($url);
local($paper, $ppaper);
local($cstr, $pstr, $sstr);
papertype:
foreach $paper (@paperTypes) {
$ppaper = $paper unless defined($notype); # Paper type
$sstr = ""; # size string
$pstr = ""; # pages string
$cstr = ""; # compression type string
if (($url) = m/\<\!\-\- $paper:[\s\n]+(\S+)[\s\n]+\-\-\>/) {
# If $url looks like a file (doesn't begin with http://, ftp://,
# etc.), get more info.
if ($paper ne 'DOI' && $url !~ m/^[^\:\/]+\:\//) {
local($file) = $url;
local($path);
local($dir);
foreach $dir (@filedir) {
$path = join('/', $dir, $file);
if ( -f $path) {
if (defined $dirmap{$dir}) {
$url = join('/', $dirmap{$dir}, $file);
} else {
$url = $path;
}
last;
}
}
if (! -f $path) {
print STDERR "couldn't find $file\n";
next papertype;
}
local($opencmd);
local($size);
local($pageCountRoutine);
local($pageCount) = 0;
($opencmd, $cstr) = &openCommand($path);
# Get size.
$size = -s _;
$sstr = ", $size bytes" unless(defined($nosize));
# Get page count.
$pageCountRoutine = $paper . "PageCount";
$pageCount = &$pageCountRoutine($opencmd);
$pstr = ", $pageCount pages" if (defined $pageCount && !defined $nopages);
# Get compression type.
$cstr = "$cstr " if ($cstr ne "");
undef $cstr if (defined $nocompression);
} elsif ($paper eq 'DOI' &&
(($url =~ m/^doi:(.*)/i) ||
($url =~ m/^http:\/\/[\w.]+\/(.*)/i) ||
($url =~ m/^(.*)$/))) {
# Convert the DOI URL into an HTTP link
$url = html_encode("http://dx.doi.org/$1");
$ppaper = "doi:" . html_encode($1) unless (defined($nodoi));
}
$ppaper = $typeicon{$paper} if (defined $typeicon{$paper});
#print STDERR "found $paper $file$pstr$sstr\n";
if ($nobrackets) {
s/\<\!\-\- $paper:[\s\n]+\S+[\s\n]+\-\-\>/<a href=\"$url\">${cstr}$ppaper<\/a>$pstr$sstr/;
} else {
s/\<\!\-\- $paper:[\s\n]+\S+[\s\n]+\-\-\>/(<a href=\"$url\">${cstr}$ppaper<\/a>$pstr$sstr)/;
}
}
}
}
# highlight_name(string)
# Return name with Highlighted name if it was passed in as an option from the command line.
#
sub highlight_name {
local($name) = @_;
if (defined($highlighted_name) && $name =~ /$highlighted_name/) {
return "<strong>$name</strong>";
} else {
return $name;
}
}
# html_encode(string)
# Protect character entities in string.
sub html_encode {
local($_) = @_;
s/&/&/g; # Must be first.
s/</</g;
s/>/>/g;
s/"/"/g;
$_;
}
# Convert $_ into a UTF-8 character
sub utf_ent {
# Use \006 to avoid characters coming together before TeX escapes
# are recognized.
# For example \omicron\mu would become \omicronμ, which will then
# fail to match the RE \\omicron\b
# Accents.
s/\\i\b/\006ı\006/gs; # dotless i.
# acute accent \'{x}
s/\\\'(\001\d+)\{A\1\}/\006Á\006/gs;
s/\\\'(\001\d+)\{C\1\}/\006Ć\006/gs;
s/\\\'(\001\d+)\{E\1\}/\006É\006/gs;
s/\\\'(\001\d+)\{I\1\}/\006Í\006/gs;
s/\\\'(\001\d+)\{L\1\}/\006Ĺ\006/gs;
s/\\\'(\001\d+)\{N\1\}/\006Ń\006/gs;
s/\\\'(\001\d+)\{O\1\}/\006Ó\006/gs;
s/\\\'(\001\d+)\{R\1\}/\006Ŕ\006/gs;
s/\\\'(\001\d+)\{S\1\}/\006Ś\006/gs;
s/\\\'(\001\d+)\{U\1\}/\006Ú\006/gs;
s/\\\'(\001\d+)\{Y\1\}/\006Ý\006/gs;
s/\\\'(\001\d+)\{Z\1\}/\006Ź\006/gs;
s/\\\'(\001\d+)\{a\1\}/\006á\006/gs;
s/\\\'(\001\d+)\{c\1\}/\006ć\006/gs;
s/\\\'(\001\d+)\{e\1\}/\006é\006/gs;
s/\\\'(\001\d+)\{ı\1\}/\006í\006/gs;
s/\\\'(\001\d+)\{i\1\}/\006í\006/gs;
s/\\\'(\001\d+)\{l\1\}/\006ĺ\006/gs;
s/\\\'(\001\d+)\{n\1\}/\006ń\006/gs;
s/\\\'(\001\d+)\{o\1\}/\006ó\006/gs;
s/\\\'(\001\d+)\{r\1\}/\006ŕ\006/gs;
s/\\\'(\001\d+)\{s\1\}/\006ś\006/gs;
s/\\\'(\001\d+)\{u\1\}/\006ú\006/gs;
s/\\\'(\001\d+)\{y\1\}/\006ý\006/gs;
s/\\\'(\001\d+)\{z\1\}/\006ź\006/gs;
# acute accent \'x
s/\\\'A/\006Á\006/gs;
s/\\\'C/\006Ć\006/gs;
s/\\\'E/\006É\006/gs;
s/\\\'I/\006Í\006/gs;
s/\\\'L/\006Ĺ\006/gs;
s/\\\'N/\006Ń\006/gs;
s/\\\'O/\006Ó\006/gs;
s/\\\'R/\006Ŕ\006/gs;
s/\\\'S/\006Ś\006/gs;
s/\\\'U/\006Ú\006/gs;
s/\\\'Y/\006Ý\006/gs;
s/\\\'Z/\006Ź\006/gs;
s/\\\'a/\006á\006/gs;
s/\\\'c/\006ć\006/gs;
s/\\\'e/\006é\006/gs;
s/\\\'i/\006í\006/gs;
s/\\\'ı/\006í\006/gs;
s/\\\'l/\006ĺ\006/gs;
s/\\\'n/\006ń\006/gs;
s/\\\'o/\006ó\006/gs;
s/\\\'r/\006ŕ\006/gs;
s/\\\'s/\006ś\006/gs;
s/\\\'u/\006ú\006/gs;
s/\\\'y/\006ý\006/gs;
s/\\\'z/\006ź\006/gs;
# grave accent \`{x}
s/\\\`(\001\d+)\{A\1\}/\006À\006/gs;
s/\\\`(\001\d+)\{E\1\}/\006È\006/gs;
s/\\\`(\001\d+)\{I\1\}/\006Ì\006/gs;
s/\\\`(\001\d+)\{O\1\}/\006Ò\006/gs;
s/\\\`(\001\d+)\{U\1\}/\006Ù\006/gs;
s/\\\`(\001\d+)\{a\1\}/\006à\006/gs;
s/\\\`(\001\d+)\{e\1\}/\006è\006/gs;
s/\\\`(\001\d+)\{i\1\}/\006ì\006/gs;
s/\\\`(\001\d+)\{o\1\}/\006ò\006/gs;
s/\\\`(\001\d+)\{u\1\}/\006ù\006/gs;
# grave accent \`x
s/\\\`A/\006À\006/gs;
s/\\\`E/\006È\006/gs;
s/\\\`I/\006Ì\006/gs;
s/\\\`O/\006Ò\006/gs;
s/\\\`U/\006Ù\006/gs;
s/\\\`a/\006à\006/gs;
s/\\\`e/\006è\006/gs;
s/\\\`i/\006ì\006/gs;
s/\\\`o/\006ò\006/gs;
s/\\\`u/\006ù\006/gs;
# umlaut \"{x}
s/\\\"(\001\d+)\{A\1\}/\006Ä\006/gs;
s/\\\"(\001\d+)\{E\1\}/\006Ë\006/gs;
s/\\\"(\001\d+)\{I\1\}/\006Ï\006/gs;
s/\\\"(\001\d+)\{O\1\}/\006Ö\006/gs;
s/\\\"(\001\d+)\{U\1\}/\006Ü\006/gs;
s/\\\"(\001\d+)\{Y\1\}/\006Ÿ\006/gs;
s/\\\"(\001\d+)\{a\1\}/\006ä\006/gs;
s/\\\"(\001\d+)\{e\1\}/\006ë\006/gs;
s/\\\"(\001\d+)\{i\1\}/\006ï\006/gs;
s/\\\"(\001\d+)\{o\1\}/\006ö\006/gs;
s/\\\"(\001\d+)\{u\1\}/\006ü\006/gs;
s/\\\"(\001\d+)\{y\1\}/\006ÿ\006/gs;
# umlaut \"x
s/\\\"A/\006Ä\006/gs;
s/\\\"E/\006Ë\006/gs;
s/\\\"I/\006Ï\006/gs;
s/\\\"O/\006Ö\006/gs;
s/\\\"U/\006Ü\006/gs;
s/\\\"Y/\006Ÿ\006/gs;
s/\\\"a/\006ä\006/gs;
s/\\\"e/\006ë\006/gs;
s/\\\"i/\006ï\006/gs;
s/\\\"o/\006ö\006/gs;
s/\\\"u/\006ü\006/gs;
s/\\\"y/\006ÿ\006/gs;
# tilde \~{x}
s/\\\~(\001\d+)\{A\1\}/\006Ã\006/gs;
s/\\\~(\001\d+)\{N\1\}/\006Ñ\006/gs;
s/\\\~(\001\d+)\{O\1\}/\006Õ\006/gs;
s/\\\~(\001\d+)\{a\1\}/\006ã\006/gs;
s/\\\~(\001\d+)\{n\1\}/\006ñ\006/gs;
s/\\\~(\001\d+)\{o\1\}/\006õ\006/gs;
# tilde \~x
s/\\\~A/\006Ã\006/gs;
s/\\\~N/\006Ñ\006/gs;
s/\\\~O/\006Õ\006/gs;
s/\\\~a/\006ã\006/gs;
s/\\\~n/\006ñ\006/gs;
s/\\\~O/\006õ\006/gs;
# circumflex \^{x}
s/\\\^(\001\d+)\{A\1\}/\006Â\006/gs;
s/\\\^(\001\d+)\{E\1\}/\006Ê\006/gs;
s/\\\^(\001\d+)\{G\1\}/\006Ĝ\006/gs;
s/\\\^(\001\d+)\{H\1\}/\006Ĥ\006/gs;
s/\\\^(\001\d+)\{I\1\}/\006Î\006/gs;
s/\\\^(\001\d+)\{J\1\}/\006Ĵ\006/gs;
s/\\\^(\001\d+)\{O\1\}/\006Ô\006/gs;
s/\\\^(\001\d+)\{U\1\}/\006Û\006/gs;
s/\\\^(\001\d+)\{W\1\}/\006Ŵ\006/gs;
s/\\\^(\001\d+)\{Y\1\}/\006Ŷ\006/gs;
s/\\\^(\001\d+)\{a\1\}/\006â\006/gs;
s/\\\^(\001\d+)\{e\1\}/\006ê\006/gs;
s/\\\^(\001\d+)\{g\1\}/\006ĝ\006/gs;
s/\\\^(\001\d+)\{h\1\}/\006ĥ\006/gs;
s/\\\^(\001\d+)\{i\1\}/\006î\006/gs;
s/\\\^(\001\d+)\{j\1\}/\006ĵ\006/gs;
s/\\\^(\001\d+)\{o\1\}/\006ô\006/gs;
s/\\\^(\001\d+)\{u\1\}/\006û\006/gs;
s/\\\^(\001\d+)\{w\1\}/\006ŵ\006/gs;
s/\\\^(\001\d+)\{y\1\}/\006ŷ\006/gs;
# circumflex \^x
s/\\\^A/\006Â\006/gs;
s/\\\^E/\006Ê\006/gs;
s/\\\^G/\006Ĝ\006/gs;
s/\\\^H/\006Ĥ\006/gs;
s/\\\^I/\006Î\006/gs;
s/\\\^J/\006Ĵ\006/gs;
s/\\\^O/\006Ô\006/gs;
s/\\\^U/\006Û\006/gs;
s/\\\^W/\006Ŵ\006/gs;
s/\\\^Y/\006Ŷ\006/gs;
s/\\\^a/\006â\006/gs;
s/\\\^e/\006ê\006/gs;
s/\\\^g/\006ĝ\006/gs;
s/\\\^h/\006ĥ\006/gs;
s/\\\^i/\006î\006/gs;
s/\\\^J/\006ĵ\006/gs;
s/\\\^o/\006ô\006/gs;
s/\\\^u/\006û\006/gs;
s/\\\^w/\006ŵ\006/gs;
s/\\\^y/\006ŷ\006/gs;
# cedilla \c{x}
s/\\c(\001\d+)\{C\1\}/\006Ç\006/gs;
s/\\c(\001\d+)\{c\1\}/\006ç\006/gs;
s/\\c(\001\d+)\{D\1\}/\006Ḑ\006/gs;
s/\\c(\001\d+)\{d\1\}/\006ḑ\006/gs;
s/\\c(\001\d+)\{E\1\}/\006Ȩ\006/gs;
s/\\c(\001\d+)\{e\1\}/\006ȩ\006/gs;
s/\\c(\001\d+)\{G\1\}/\006Ģ\006/gs;
s/\\c(\001\d+)\{g\1\}/\006ģ\006/gs;
s/\\c(\001\d+)\{H\1\}/\006Ḩ\006/gs;
s/\\c(\001\d+)\{h\1\}/\006ḩ\006/gs;
s/\\c(\001\d+)\{K\1\}/\006Ķ\006/gs;
s/\\c(\001\d+)\{k\1\}/\006ķ\006/gs;
s/\\c(\001\d+)\{L\1\}/\006Ļ\006/gs;
s/\\c(\001\d+)\{l\1\}/\006ļ\006/gs;
s/\\c(\001\d+)\{N\1\}/\006Ņ\006/gs;
s/\\c(\001\d+)\{n\1\}/\006ņ\006/gs;
s/\\c(\001\d+)\{R\1\}/\006Ŗ\006/gs;
s/\\c(\001\d+)\{r\1\}/\006ŗ\006/gs;
s/\\c(\001\d+)\{S\1\}/\006Ş\006/gs;
s/\\c(\001\d+)\{s\1\}/\006ş\006/gs;
s/\\c(\001\d+)\{T\1\}/\006Ţ\006/gs;
s/\\c(\001\d+)\{t\1\}/\006ţ\006/gs;
s/\\c(\001\d+)\{X\1\}/\006X̧\006/gs;
s/\\c(\001\d+)\{x\1\}/\006x̧\006/gs;
# Bar under letter; no canonical Unicode set, so remove it
s/\\b(\001\d+)\{(.)\1\}/\006$2\006/gs;#
# Dot under the letter
s/\\d(\001\d+)\{A\1\}/\006Ạ\006/gs;
s/\\d(\001\d+)\{a\1\}/\006ạ\006/gs;
s/\\d(\001\d+)\{B\1\}/\006Ḅ\006/gs;
s/\\d(\001\d+)\{b\1\}/\006ḅ\006/gs;
s/\\d(\001\d+)\{C\1\}/\006C̣\006/gs;
s/\\d(\001\d+)\{c\1\}/\006c̣\006/gs;
s/\\d(\001\d+)\{D\1\}/\006Ḍ\006/gs;
s/\\d(\001\d+)\{d\1\}/\006ḍ\006/gs;
s/\\d(\001\d+)\{E\1\}/\006Ẹ\006/gs;
s/\\d(\001\d+)\{e\1\}/\006ẹ\006/gs;
s/\\d(\001\d+)\{F\1\}/\006F̣\006/gs;
s/\\d(\001\d+)\{f\1\}/\006f̣\006/gs;
s/\\d(\001\d+)\{G\1\}/\006G̣\006/gs;
s/\\d(\001\d+)\{g\1\}/\006g̣\006/gs;
s/\\d(\001\d+)\{H\1\}/\006Ḥ\006/gs;
s/\\d(\001\d+)\{h\1\}/\006ḥ\006/gs;
s/\\d(\001\d+)\{I\1\}/\006Ị\006/gs;
s/\\d(\001\d+)\{i\1\}/\006ị\006/gs;
s/\\d(\001\d+)\{J\1\}/\006J̣\006/gs;
s/\\d(\001\d+)\{j\1\}/\006j̣\006/gs;
s/\\d(\001\d+)\{K\1\}/\006Ḳ\006/gs;
s/\\d(\001\d+)\{k\1\}/\006ḳ\006/gs;
s/\\d(\001\d+)\{L\1\}/\006Ḷ\006/gs;
s/\\d(\001\d+)\{l\1\}/\006ḷ\006/gs;
s/\\d(\001\d+)\{M\1\}/\006Ṃ\006/gs;
s/\\d(\001\d+)\{m\1\}/\006ṃ\006/gs;
s/\\d(\001\d+)\{N\1\}/\006Ṇ\006/gs;
s/\\d(\001\d+)\{n\1\}/\006ṇ\006/gs;
s/\\d(\001\d+)\{O\1\}/\006Ọ\006/gs;
s/\\d(\001\d+)\{o\1\}/\006ọ\006/gs;
s/\\d(\001\d+)\{P\1\}/\006P̣\006/gs;
s/\\d(\001\d+)\{p\1\}/\006p̣\006/gs;
s/\\d(\001\d+)\{Q\1\}/\006Q̣\006/gs;
s/\\d(\001\d+)\{q\1\}/\006q̣\006/gs;
s/\\d(\001\d+)\{R\1\}/\006Ṛ\006/gs;
s/\\d(\001\d+)\{r\1\}/\006ṛ\006/gs;
s/\\d(\001\d+)\{S\1\}/\006Ṣ\006/gs;
s/\\d(\001\d+)\{s\1\}/\006ṣ\006/gs;
s/\\d(\001\d+)\{T\1\}/\006Ṭ\006/gs;
s/\\d(\001\d+)\{t\1\}/\006ṭ\006/gs;
s/\\d(\001\d+)\{U\1\}/\006Ụ\006/gs;
s/\\d(\001\d+)\{u\1\}/\006ụ\006/gs;
s/\\d(\001\d+)\{V\1\}/\006Ṿ\006/gs;
s/\\d(\001\d+)\{v\1\}/\006ṿ\006/gs;
s/\\d(\001\d+)\{W\1\}/\006Ẉ\006/gs;
s/\\d(\001\d+)\{w\1\}/\006ẉ\006/gs;
s/\\d(\001\d+)\{X\1\}/\006X̣\006/gs;
s/\\d(\001\d+)\{x\1\}/\006x̣\006/gs;
s/\\d(\001\d+)\{Y\1\}/\006Ỵ\006/gs;
s/\\d(\001\d+)\{y\1\}/\006ỵ\006/gs;
s/\\d(\001\d+)\{Z\1\}/\006Ẓ\006/gs;
s/\\d(\001\d+)\{z\1\}/\006ẓ\006/gs;
# double acute accent \H{x}
s/\\H(\001\d+)\{O\1\}/\006Ő\006/gs;
s/\\H(\001\d+)\{U\1\}/\006Ű\006/gs;
s/\\H(\001\d+)\{o\1\}/\006ő\006/gs;
s/\\H(\001\d+)\{u\1\}/\006ű\006/gs;
# ogonek \k{x}
s/\\k(\001\d+)\{A\1\}/\006Ą\006/gs;
s/\\k(\001\d+)\{a\1\}/\006ą\006/gs;
s/\\k(\001\d+)\{E\1\}/\006Ę\006/gs;
s/\\k(\001\d+)\{e\1\}/\006ę\006/gs;
s/\\k(\001\d+)\{I\1\}/\006Į\006/gs;
s/\\k(\001\d+)\{i\1\}/\006į\006/gs;
s/\\k(\001\d+)\{O\1\}/\006Ǫ\006/gs;
s/\\k(\001\d+)\{o\1\}/\006ǫ\006/gs;
s/\\k(\001\d+)\{U\1\}/\006Ų\006/gs;
s/\\k(\001\d+)\{u\1\}/\006ų\006/gs;
# ring accent \r{x}
s/\\r(\001\d+)\{A\1\}/\006Å\006/gs;
s/\\r(\001\d+)\{D\1\}/\006D̊\006/gs;
s/\\r(\001\d+)\{E\1\}/\006E̊\006/gs;
s/\\r(\001\d+)\{G\1\}/\006G̊\006/gs;
s/\\r(\001\d+)\{I\1\}/\006I̊\006/gs;
s/\\r(\001\d+)\{J\1\}/\006J̊\006/gs;
s/\\r(\001\d+)\{O\1\}/\006O̊\006/gs;
s/\\r(\001\d+)\{Q\1\}/\006Q̊\006/gs;
s/\\r(\001\d+)\{S\1\}/\006S̊\006/gs;
s/\\r(\001\d+)\{U\1\}/\006Ů\006/gs;
s/\\r(\001\d+)\{V\1\}/\006V̊\006/gs;
s/\\r(\001\d+)\{W\1\}/\006W̊\006/gs;
s/\\r(\001\d+)\{X\1\}/\006X̊\006/gs;
s/\\r(\001\d+)\{Y\1\}/\006Y̊\006/gs;
s/\\r(\001\d+)\{a\1\}/\006å\006/gs;
s/\\r(\001\d+)\{d\1\}/\006d̊\006/gs;
s/\\r(\001\d+)\{e\1\}/\006e̊\006/gs;
s/\\r(\001\d+)\{g\1\}/\006g̊\006/gs;
s/\\r(\001\d+)\{i\1\}/\006i̊\006/gs;
s/\\r(\001\d+)\{j\1\}/\006j̊\006/gs;
s/\\r(\001\d+)\{o\1\}/\006o̊\006/gs;
s/\\r(\001\d+)\{q\1\}/\006q̊\006/gs;
s/\\r(\001\d+)\{s\1\}/\006s̊\006/gs;
s/\\r(\001\d+)\{u\1\}/\006ů\006/gs;
s/\\r(\001\d+)\{v\1\}/\006v̊\006/gs;
s/\\r(\001\d+)\{w\1\}/\006ẘ\006/gs;
s/\\r(\001\d+)\{x\1\}/\006x̊\006/gs;
s/\\r(\001\d+)\{y\1\}/\006ẙ\006/gs;
# breve accent \u{x}
s/\\u(\001\d+)\{A\1\}/\006Ă\006/gs;
s/\\u(\001\d+)\{E\1\}/\006Ĕ\006/gs;
s/\\u(\001\d+)\{G\1\}/\006Ğ\006/gs;
s/\\u(\001\d+)\{I\1\}/\006Ĭ\006/gs;
s/\\u(\001\d+)\{O\1\}/\006Ŏ\006/gs;
s/\\u(\001\d+)\{U\1\}/\006Ŭ\006/gs;
s/\\u(\001\d+)\{a\1\}/\006ă\006/gs;
s/\\u(\001\d+)\{e\1\}/\006ĕ\006/gs;
s/\\u(\001\d+)\{g\1\}/\006ğ\006/gs;
s/\\u(\001\d+)\{i\1\}/\006ĭ\006/gs;
s/\\u(\001\d+)\{o\1\}/\006ŏ\006/gs;
s/\\u(\001\d+)\{u\1\}/\006ŭ\006/gs;
# hacek/caron? accent \v{x}
s/\\v(\001\d+)\{C\1\}/\006Č\006/gs;
s/\\v(\001\d+)\{D\1\}/\006Ď\006/gs;
s/\\v(\001\d+)\{E\1\}/\006Ě\006/gs;
s/\\v(\001\d+)\{L\1\}/\006Ľ\006/gs;
s/\\v(\001\d+)\{N\1\}/\006Ň\006/gs;
s/\\v(\001\d+)\{R\1\}/\006Ř\006/gs;
s/\\v(\001\d+)\{S\1\}/\006Š\006/gs;
s/\\v(\001\d+)\{T\1\}/\006Ť\006/gs;
s/\\v(\001\d+)\{Z\1\}/\006Ž\006/gs;
s/\\v(\001\d+)\{c\1\}/\006č\006/gs;
s/\\v(\001\d+)\{d\1\}/\006ď\006/gs;
s/\\v(\001\d+)\{e\1\}/\006ě\006/gs;
s/\\v(\001\d+)\{l\1\}/\006ľ\006/gs;
s/\\v(\001\d+)\{n\1\}/\006ň\006/gs;
s/\\v(\001\d+)\{r\1\}/\006ř\006/gs;
s/\\v(\001\d+)\{s\1\}/\006š\006/gs;
s/\\v(\001\d+)\{t\1\}/\006ť\006/gs;
s/\\v(\001\d+)\{z\1\}/\006ž\006/gs;
# macron \={x}
s/\\\=(\001\d+)\{A\1\}/\006Ā\006/gs;
s/\\\=(\001\d+)\{E\1\}/\006Ē\006/gs;
s/\\\=(\001\d+)\{O\1\}/\006Ō\006/gs;
s/\\\=(\001\d+)\{U\1\}/\006Ū\006/gs;
s/\\\=(\001\d+)\{a\1\}/\006ā\006/gs;
s/\\\=(\001\d+)\{e\1\}/\006ē\006/gs;
s/\\\=(\001\d+)\{o\1\}/\006ō\006/gs;
s/\\\=(\001\d+)\{u\1\}/\006ū\006/gs;
# macron \=x
s/\\\=A/\006Ā\006/gs;
s/\\\=E/\006Ē\006/gs;
s/\\\=O/\006Ō\006/gs;
s/\\\=U/\006Ū\006/gs;
s/\\\=a/\006ā\006/gs;
s/\\\=e/\006ē\006/gs;
s/\\\=o/\006ō\006/gs;
s/\\\=u/\006ū\006/gs;
# dot \.{x}
s/\\\.(\001\d+)\{G\1\}/\006Ġ\006/gs;
s/\\\.(\001\d+)\{L\1\}/\006Ŀ\006/gs;
s/\\\.(\001\d+)\{Z\1\}/\006Ż\006/gs;
s/\\\.(\001\d+)\{g\1\}/\006ġ\006/gs;
s/\\\.(\001\d+)\{l\1\}/\006ŀ\006/gs;
s/\\\.(\001\d+)\{z\1\}/\006ż\006/gs;
# dot \.x
s/\\\.G/\006Ġ\006/gs;
s/\\\.L/\006Ŀ\006/gs;
s/\\\.Z/\006Ż\006/gs;
s/\\\.g/\006ġ\006/gs;
s/\\\.l/\006ŀ\006/gs;
s/\\\.z/\006ż\006/gs;
# slashed l
s/\\l\b/\006ł\006/gs;
s/\\L\b/\006Ł\006/gs;
# krouzek \accent23x or \accent'27
s/\{\\accent2[37]\s*u\}/\006ů\006/gs;
s/\\accent2[37]\s*u/\006ů\006/gs;
# Other special characters.
s/\\O\b\s*/\006Ø\006/gs;
s/\\o\b\s*/\006ø\006/gs;
s/\\AA\b\s*/\006Å\006/gs;
s/\\aa\b\s*/\006å\006/gs;
s/\\AE\b\s*/\006Æ\006/gs;
s/\\ae\b\s*/\006æ\006/gs;
s/\\OE\b\s*/\006Œ\006/gs;
s/\\oe\b\s*/\006œ\006/gs;
s/\\ss\b\s*/\006ß\006/gs;
s/\\S\b\s*/\006§\006/gs;
s/\\P\b\s*/\006¶\006/gs;
s/\\pm\b\s*/\006±\006/gs;
s/\\pounds\b\s*/\006£\006/gs;
s/\?\`/\006¿\006/gs;
s/\!\`/\006¡\006/gs;
# en and em dashes
# Try to be careful to not change the dashes in HTML comments
# (<!-- comment -->) to –s.
s/\-\-\-/\006—\006/gs; # --- -> —
s/([^\!])\-\-([^\>])/$1–$2/gs; # -- -> –
# Upper case Greek
s/\\Alpha\b/\006Α\006/gs;
s/\\Beta\b/\006Β\006/gs;
s/\\Gamma\b/\006Γ\006/gs;
s/\\Delta\b/\006Δ\006/gs;
s/\\Epsilon\b/\006Ε\006/gs;
s/\\Zeta\b/\006Ζ\006/gs;
s/\\Eta\b/\006Η\006/gs;
s/\\Theta\b/\006Θ\006/gs;
s/\\Iota\b/\006Ι\006/gs;
s/\\Kappa\b/\006Κ\006/gs;
s/\\Lambda\b/\006Λ\006/gs;
s/\\Mu\b/\006Μ\006/gs;
s/\\Nu\b/\006Ν\006/gs;
s/\\Xi\b/\006Ξ\006/gs;
s/\\Omicron\b/\006Ο\006/gs;
s/\\Pi\b/\006Π\006/gs;
s/\\Rho\b/\006Ρ\006/gs;
s/\\Sigma\b/\006Σ\006/gs;
s/\\Tau\b/\006Τ\006/gs;
s/\\Upsilon\b/\006Υ\006/gs;
s/\\Phi\b/\006Φ\006/gs;
s/\\Chi\b/\006Χ\006/gs;
s/\\Psi\b/\006Ψ\006/gs;
s/\\Omega\b/\006Ω\006/gs;
# Lower case Greek
s/\\alpha\b/\006α\006/gs;
s/\\beta\b/\006β\006/gs;
s/\\gamma\b/\006γ\006/gs;
s/\\delta\b/\006δ\006/gs;
s/\\varepsilon\b/\006ε\006/gs;
s/\\epsilon\b/\006ε\006/gs;
s/\\zeta\b/\006ζ\006/gs;
s/\\eta\b/\006η\006/gs;
s/\\theta\b/\006θ\006/gs;
s/\\vartheta\b/\006θ\006/gs;
s/\\iota\b/\006ι\006/gs;
s/\\kappa\b/\006κ\006/gs;
s/\\lambda\b/\006λ\006/gs;
s/\\mu\b/\006μ\006/gs;
s/\\nu\b/\006ν\006/gs;
s/\\xi\b/\006ξ\006/gs;
s/\\omicron\b/\006ο\006/gs;
s/\\pi\b/\006π\006/gs;
s/\\varpi\b/\006π\006/gs;
s/\\rho\b/\006ρ\006/gs;
s/\\varrho\b/\006ρ\006/gs;
s/\\sigma\b/\006σ\006/gs;
s/\\varsigma\b/\006ς\006/gs;
s/\\tau\b/\006τ\006/gs;
s/\\upsilon\b/\006υ\006/gs;
s/\\phi\b/\006φ\006/gs;
s/\\varphi\b/\006φ\006/gs;
s/\\chi\b/\006χ\006/gs;
s/\\psi\b/\006ψ\006/gs;
s/\\omega\b/\006ω\006/gs;
# Now allow characters to come together
s/\006//gs;
}
$opt_B = 'bibtex' unless defined($opt_B);
# Prevent "identifier used only once" warnings.
$opt_a = $opt_b = $opt_c = $opt_D = $opt_d = $opt_e = $opt_h = $opt_m =
$opt_n = $opt_r = $opt_R = $opt_i = $opt_k = $opt_s = $opt_t = $opt_v =
$opt_u = $opt_U = undef;
$macrofile = '';
$command_line = &html_encode(join(' ', $0, @ARGV));
getopts("aB:b:cd:D:e:h:ikm:n:rRs:tuUv") || &usage;
if (defined($opt_n)) {
$highlighted_name = $opt_n;
$highlighted_name =~ s/\s/[\\s~]+/;
}
if (defined($opt_v)) {
print "$version\n";
exit 0;
}
&usage if (($#ARGV < 0) || ($#ARGV > 1));
if ($ARGV[0] =~ m/\.bib$/) {
$bibfile = $ARGV[0];
$bibfile =~ s/\.bib$//;
$delimiter = $bibfile;
} elsif ($ARGV[0] =~ m/\.aux$/) {
if ($opt_i) {
print STDERR "source file must be a bibliography (.bib) file when run with the -i switch \n";
&usage;
}
$citefile = $ARGV[0];
$citefile =~ s/\.aux$//;
$delimiter = $citefile;
} else {
print STDERR "Unknown file extension on $ARGV[0]\n";
&usage;
}
$htmlfile = $ARGV[1] if ($#ARGV == 1);
$delimiter = $opt_d if (defined($opt_d));
$title = (defined($opt_h) ? $opt_h : "Bibliography generated from $ARGV[0]");
$macrofile = "$opt_m," if (defined($opt_m));
$opt_s = 'empty' if (! defined $opt_s);
style: {
($opt_s eq 'empty') &&
($bstfile = "html-n",
$label_style = $LABEL_PLAIN,
last style);
($opt_s eq 'plain') &&
($bstfile = "html-n",
$label_style = $LABEL_NUMBERED,
last style);
($opt_s eq 'alpha') &&
($bstfile = "html-a",
$label_style = $LABEL_DEFAULT,
last style);
($opt_s eq 'named') &&
($bstfile = "html-n",
$label_style = $LABEL_DEFAULT,
last style);
($opt_s eq 'paragraph') &&
($bstfile = "html-n",
$label_style = $LABEL_PARAGRAPH,
last style);
($opt_s eq 'unsort') &&
($bstfile = "html-u",
$label_style = $LABEL_NUMBERED,
last style);
($opt_s eq 'unsortlist') &&
($bstfile = "html-u",
$label_style = $LABEL_PLAIN,
last style);
($opt_s =~ s/\.bst$//) &&
($bstfile = $opt_s,
# label-style will be defined in .bst file.
last style);
print STDERR "Unknown style: $_\n";
&usage;
}
if ($bstfile eq "html-u" && ($opt_r || $opt_c)) {
print STDERR "Unsorted styles do not support a sort specification\n";
exit(1);
}
if ($opt_k && !($label_style == $LABEL_NUMBERED || $label_style == $LABEL_DEFAULT)) {
print STDERR "The specified style does not support the display of BibTeX keys\n";
exit(1);
}
$bstfile .= "c" if (defined ($opt_c));
$bstfile .= "r" if (defined ($opt_r));
$bstfile .= "a" if (defined ($opt_a));
# Extended information is specified as a sequence of
# (PostScript|PDF|DVI|DOI):icon or
# (notype|nosize|nopages|nocompression|nodoi|nobrackets)
# Set correspondingly the associative array %typeicon and the no* variables
# Example usage:
# perl bib2xhtml -e 'nosize,nopages,PDF:<img src="pdficon_small.gif" alt="PDF" border="0" />' example.bib >example.html
undef $nopages;
undef $nosize;
undef $nodoi;
undef $notype;
undef $nocompression;
undef $nobrackets;
if (defined($opt_e)) {
my(@opts) = split(/,/, $opt_e);
for $opt (@opts) {
if ($opt =~ m/(PostScript|PDF|DVI|DOI|DJVU):(.*)/) {
$typeicon{$1} = $2;
} elsif ($opt =~ m/(notype|nosize|nopages|nocompression|nodoi|nobrackets)/) {
eval "\$$1 = 1";
} else {
print STDERR qq{Invalid extended information specification: $opt
This can be a comma-separated list of the following specifications:
PostScript|PDF|DVI|DOI|DJVU:new-text (e.g. PDF file icon)
notype|nosize|nopages|nocompression|nodoi|nobrackets
};
exit 1;
}
}
}
# PostScript and PDF files are assumed to be in same directory
# as the target HTML file.
if (defined($htmlfile) && ($htmlfile =~ m+(^.*)/+)) {
push @filedir, $1;
} else {
push @filedir, "."
}
if (defined $opt_D) {
local($dir, $url);
foreach $dir (split(/\,/, $opt_D)) {
$url = $dir;
if ($dir =~ s/\@(.*)$//) { $url = $1; }
push @filedir, $dir;
$dirmap{$dir} = $url;
}
}
umask(077);
open(HTMLFILE, (defined($htmlfile) ? ">$htmlfile$$" : ">&STDOUT"));
binmode(HTMLFILE, ":encoding(UTF-8)") if ($opt_u);
if (defined($htmlfile) && open(OHTMLFILE, "$htmlfile")) {
binmode(OHTMLFILE, ":encoding(UTF-8)") if ($opt_u);
$mode = (stat OHTMLFILE)[2] & 0xfff;
$updating = 1;
} else {
$mode = 0644;
$updating = 0;
# An existing HTML file does not exist, so output some boilerplate.
if ($opt_u) {
$enc = 'UTF-8';
} else {
$enc = 'US-ASCII';
}
print HTMLFILE
qq{<?xml version="1.0" encoding="$enc"?>
<!DOCTYPE html
PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>$title</title>
<meta http-equiv="Content-type" content="text/html; charset=$enc" />} . q{
<meta name="Generator" content="http://www.spinellis.gr/sw/textproc/bib2xhtml/" />
</head>
<body>
}
}
$beginstring = "<!-- BEGIN CITATIONS $delimiter -->";
$endstring = "<!-- END CITATIONS $delimiter -->";
@citations = ();
if ($opt_i && $updating) {
loop:
while (<OHTMLFILE>) {
print HTMLFILE;
last loop if m/^$beginstring\s*$/;
}
loop:
while (<OHTMLFILE>) {
print HTMLFILE;
last loop if m/^$endstring\s*$/;
push(@citations, $2) if m/^([^\\]*)?(.+\})(.*)?$/;
}
push(@citations, "\\bibdata{$macrofile$bibfile}");
}
# Create an .aux file for bibtex to read.
$auxfile = "bib$$";
push(@tmpfiles, "$auxfile.aux");
open(AUXFILE, ">$auxfile" . ".aux");
print AUXFILE "\\relax\n\\bibstyle{$bstfile}\n";
if (defined($citefile)) {
$citefile .= ".aux";
open(CITEFILE, "<$citefile") || die "error opening $citefile: $!\n";
while (<CITEFILE>) {
print AUXFILE $_ if (m/^\\(citation|bibdata)\{/);
}
close(CITEFILE);
} elsif (@citations) {
foreach $citation (@citations) {
print AUXFILE "$citation\n";
}
} else {
print AUXFILE "\\citation{*}\n\\bibdata{$macrofile$bibfile}\n";
}
close(AUXFILE);
# run bibtex, redirecting bibtex's output from STDOUT to STDERR.
push(@tmpfiles, "$auxfile.blg");
push(@tmpfiles, "$auxfile.bbl");
#Flush HTMLFILE to avoid duplicate buffer writes after the fork
select(HTMLFILE);
$| = 1; $| = 0;
select(STDOUT);