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#!/usr/bin/env perl
=pod
=head1 NAME
ltx2crossrefxml.pl - a tool for creation of XML files for submitting to crossref.
=head1 SYNOPSIS
ltx2crossrefxml [B<-c> I<config_file>] [B<-o> I<output>] I<latex_file> I<latex_file> ...
=head1 OPTIONS
=over 4
=item B<-c> I<config_file>
Configuration file. If this file is absent, some defaults are used.
See below for its format.
=item B<-o> I<output>
Output file. If this option is not used, the XML is output to stdout.
=back
=head1 DESCRIPTION
The script takes a number of latex files and produces an XML file
ready for submission to Crossref. Each file must be previously processed
by LaTeX with the newest C<resphilosophica> package: the package creates
the file C<.rti> wtih the information about the bibliography.
The processing of reference list is at present rather limited: only so
called unstructured references are produced.
=head1 CONFIGURATION FILE FORMAT
The configuration file is mostly self-explanatory: it has comments
(starting with C<#>) and assginments in the form
$field = value ;
=head1 EXAMPLES
ltx2crossrefxml.pl ../paper1/paper1.tex ../paper2/paper2.tex -o result.xml
ltx2crossrefxml.pl -c myconfig.cnf paper.tex -o paper.xml
=head1 AUTHOR
Boris Veytsman
=head1 COPYRIGHT AND LICENSE
Copyright (C) 2012 Boris Veytsman
This is free software. You may redistribute copies of it under the
terms of the GNU General Public License
L<http://www.gnu.org/licenses/gpl.html>. There is NO WARRANTY, to the
extent permitted by law.
=cut
use strict;
use POSIX qw(strftime);
use Text::BibTeX;
use Text::BibTeX::Name;
use TeX::Encode;
use Encode;
use HTML::Entities;
use XML::Entities;
use File::Basename;
use File::Spec;
my $USAGE="USAGE: $0 [-c config] [-o output] file1 file2 ...\n";
my $VERSION = <<END;
ltx2crossrefxml v1.0
This is free software. You may redistribute copies of it under the
terms of the GNU General Public License
http://www.gnu.org/licenses/gpl.html. There is NO WARRANTY, to the
extent permitted by law.
$USAGE
END
use Getopt::Std;
my %opts;
getopts('c:o:hV',\%opts) or die $USAGE;
if ($opts{h} || $opts{V}){
print $VERSION;
exit 0;
}
################################################################
# Defaults and parameters
################################################################
*OUT=*STDOUT;
if (defined($opts{o})) {
open (OUT, ">$opts{o}") or die "Cannot open file $opts{o} for writing\n";
}
our $depositorName='DEPOSITOR_NAME';
our $depositorEmail='DEPOSITOR_EMAIL';
our $registrant='REGISTRANT';
our $fullTitle = "FULL TITLE";
our $abbrevTitle = "ABBR. Title.";
our $issn = "1234-5678";
our $coden = "CODEN";
our $batchId="ltx2crossref$$";
our $timestamp=strftime("%Y%m%d%H%M%S", gmtime);
if ($opts{c}) {
if (-r $opts{c}) {
require $opts{c};
} else {
die "Cannot read options $opts{c}. $USAGE";
}
}
PrintHead();
#
# The hash %papers. Keys year->vol->issue->number
#
my %papers;
foreach my $file (@ARGV) {
AddPaper($file);
}
foreach my $year (keys %papers) {
foreach my $volume (keys %{$papers{$year}}) {
foreach my $issue (keys %{$papers{$year}->{$volume}}) {
PrintIssueHead($year, $volume, $issue);
my $paperList = $papers{$year}->{$volume}->{$issue};
foreach my $paper (@{$paperList}) {
PrintPaper($paper);
}
}
}
}
PrintTail();
exit(0);
#####################################################
# Printing the head and the tail
#####################################################
sub PrintHead {
print OUT <<END;
<doi_batch xmlns="http://www.crossref.org/schema/4.3.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="4.3.0" xsi:schemaLocation="http://www.crossref.org/schema/4.3.0 http://www.crossref.org/schema/deposit/crossref4.3.0.xsd">
<head>
<doi_batch_id>$batchId</doi_batch_id>
<timestamp>$timestamp</timestamp>
<depositor>
<name>$depositorName</name>
<email_address>$depositorEmail</email_address>
</depositor>
<registrant>$registrant</registrant>
</head>
<body>
<journal>
<journal_metadata language="en">
<full_title>$fullTitle</full_title>
<abbrev_title>$abbrevTitle</abbrev_title>
<issn>$issn</issn>
<coden>$coden</coden>
</journal_metadata>
END
}
sub PrintTail {
print OUT <<END;
</journal>
</body>
</doi_batch>
END
return;
}
#######################################################
# Adding one paper
#######################################################
sub AddPaper {
my $file = shift;
my ($name,$path,$suffix) = fileparse($file, '\.[^\.]*$');
my $rpifile = File::Spec->catfile($path, "$name.rpi");
open (RPI, $rpifile) or die
"Cannot find $rpifile. Did you process $file?\n";
my %data;
while (<RPI>) {
chomp;
if (/^%([^=]*)\s*=\s*(.*)\s*$/) {
$data{$1}=$2;
}
}
close RPI;
my @bibliography;
foreach my $bibfile ($file, File::Spec->catfile($path, "$name.bbl")) {
@bibliography = (@bibliography,
AddBibliography($bibfile));
}
$data{'bibliography'}=\@bibliography;
push @{$papers{$data{year}}->{$data{volume}}->{$data{issue}}}, \%data;
}
##############################################################
# Reading a list of papers and adding it to the
# bibliography
##############################################################
sub AddBibliography {
my $bibfile = shift;
open (BIB, $bibfile) or return;
my $insidebibliography = 0;
my $currpaper="";
my @result;
my $key;
while (<BIB>) {
chomp;
if (/^\s*\\bibitem(?:\[.*\])?+\{(.+)\}/) {
if ($insidebibliography) {
if ($currpaper) {
my %paperhash;
$paperhash{$key}=$currpaper;
push @result, \%paperhash;
}
}
$key = $1;
$currpaper="";
$insidebibliography=1;
next;
}
if (/^\s*\\end\{thebibliography\}/) {
if ($currpaper) {
my %paperhash;
$paperhash{$key}=$currpaper;
push @result, \%paperhash;
}
$currpaper="";
$insidebibliography=0;
next;
}
if ($insidebibliography) {
$currpaper .= " $_";
}
}
close BIB;
return @result;
}
#################################################################
# Printing information about one issue
#################################################################
sub PrintIssueHead {
my ($year, $volume, $issue) = @_;
print OUT <<END;
<journal_issue>
<publication_date media_type="print">
<year>$year</year>
</publication_date>
<journal_volume>
<volume>$volume</volume>
</journal_volume>
<issue>$issue</issue>
</journal_issue>
END
}
###############################################################
# Printing information about one paper
###############################################################
sub PrintPaper {
my $paper = shift;
my $title=SanitizeText($paper->{title});
my $url=GetURL($paper);
print OUT <<END;
<journal_article publication_type="full_text">
<titles>
<title>
$title
</title>
</titles>
<contributors>
END
my @authors = split /\s*\\and\s*/, $paper->{authors};
my $seq='first';
foreach my $author (@authors) {
print OUT <<END;
<person_name sequence="$seq" contributor_role="author">
END
$seq='additional';
PrintAuthor($author);
print OUT <<END;
</person_name>
END
}
print OUT <<END;
</contributors>
<publication_date media_type="print">
<year>$paper->{year}</year>
</publication_date>
<pages>
<first_page>$paper->{startpage}</first_page>
<last_page>$paper->{endpage}</last_page>
</pages>
<doi_data>
<doi>$paper->{doi}</doi>
<timestamp>$timestamp</timestamp>
<resource>$url</resource>
</doi_data>
END
if (scalar(@{$paper->{bibliography}})) {
print OUT <<END;
<citation_list>
END
foreach my $citation (@{$paper->{bibliography}}) {
PrintCitation($citation);
}
print OUT <<END;
</citation_list>
END
}
print OUT <<END;
</journal_article>
END
}
###############################################################
# Sanitization of a text string
###############################################################
sub SanitizeText {
my $string = shift;
# There is a bug in the decode function, which we need to work
# around: it adds space to constructions like \o x
$string =~ s/(\\[a-zA-Z])\s+/$1/g;
$string =~ s/\\newblock//g;
$string =~ s/\\bgroup//g;
$string =~ s/\\egroup//g;
$string =~ s/\\scshape//g;
$string =~ s/\\urlprefix//g;
$string =~ s/\\emph//g;
$string =~ s/\\textbf//g;
$string =~ s/\\enquote//g;
$string =~ s/\\url/URL: /g;
$string =~ s/\\doi/DOI: /g;
$string =~ s/\\\\/ /g;
$string =~ s/\$//g;
$string = decode('latex', $string);
$string =~ s/\\[a-zA-Z]+/ /g;
$string =~ s/\\\\/ /g;
$string =~ s/[\[\{\}\]]/ /g;
$string = encode_entities($string);
$string = XML::Entities::numify('all', $string);
$string =~ s/amp;//g;
$string =~ s/~/ /g;
$string =~ s/\s*([\.;,])/$1/g;
return $string;
}
################################################################
# Printing one author
################################################################
sub PrintAuthor {
my $author=shift;
my $person=new Text::BibTeX::Name ($author);
if ($person->part('first')) {
my @tokens = $person->part('first');
my $line = join(" ", @tokens);
$line = SanitizeText($line);
print OUT <<END;
<given_name>$line</given_name>
END
}
if ($person->part('last')) {
my $line = SanitizeText($person->part('last'));
print OUT <<END;
<surname>$line</surname>
END
}
if ($person->part('jr')) {
my $line = SanitizeText($person->part('jr'));
print OUT <<END;
<suffix>$line</suffix>
END
}
}
#############################################################
# Printing citations
#############################################################
sub PrintCitation {
my $paperhash=shift;
foreach my $key (keys (%{$paperhash})) {
my $citation=$paperhash->{$key};
$citation=SanitizeText($citation);
print OUT <<END;
<citation key="$key">
<unstructured_citation>
$citation
</unstructured_citation>
</citation>
END
}
}
##############################################################
# Calculating URL
##############################################################
sub GetURL {
my $paper = shift;
my $result;
if ($paper->{paperUrl}) {
$result= $paper->{paperUrl}
} else {
my $doi=$paper->{doi};
$result= 'http://www.pdcnet.org/oom/service?url_ver=Z39.88-2004&rft_val_fmt=&rft.imuse_synonym=resphilosophica&rft.DOI='.$doi.'&svc_id=info:www.pdcnet.org/collection';
}
$result =~ s/&/&/g;
return $result;
}
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