crossrefware (15feb16)

git-svn-id: svn://tug.org/texlive/trunk@39727 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 45 insertions, 93 deletions

diff --git a/Master/texmf-dist/scripts/crossrefware/bibzbladd.pl b/Master/texmf-dist/scripts/crossrefware/bibzbladd.pl
index 4059b7b0a12..f348cd4b946 100755
--- a/Master/texmf-dist/scripts/crossrefware/bibzbladd.pl
+++ b/Master/texmf-dist/scripts/crossrefware/bibzbladd.pl
@@ -8,12 +8,15 @@ bibzbladd.pl - add Zbl numbers to papers in a given bib file
 
 =head1 SYNOPSIS
 
-bibzbladd  [B<-o> I<output>] I<bib_file>
+bibzbladd  [B<-f>] [B<-o> I<output>] I<bib_file>
 
 =head1 OPTIONS
 
 =over 4
 
+=item B<-f>
+
+Force searching for Zbl numbers even if the entry already has one.
 
 =item B<-o> I<output>
 
@@ -25,7 +28,7 @@ output file is formed by adding C<_zbl> to the input file
 =head1 DESCRIPTION
 
 The script reads a BibTeX file.  It checks whether the entries have
-Zbls.  If now, tries to contact internet to get the numbers.  The
+Zbls.  If not, tries to contact internet to get the numbers.  The
 result is a BibTeX file with the fields 
 C<zblnumber=...> added.  
 
@@ -38,7 +41,7 @@ Boris Veytsman
 
 =head1 COPYRIGHT AND LICENSE
 
-Copyright (C) 2014  Boris Veytsman
+Copyright (C) 2014-2016  Boris Veytsman
 
 This is free software.  You may redistribute copies of it under the
 terms of the GNU General Public License
@@ -48,16 +51,22 @@ extent permitted by law.
 =cut
 
 use strict;
-use Text::BibTeX;
-use Text::BibTeX::Name;
+BEGIN {
+    # find files relative to our installed location within TeX Live
+    chomp(my $TLMaster = `kpsewhich -var-value=SELFAUTOPARENT`); # TL root
+    if (length($TLMaster)) {
+	unshift @INC, "$TLMaster/texmf-dist/scripts/bibtexperllibs";
+    }
+}
+use IO::File;
+use BibTeX::Parser;
 use Getopt::Std;
 use URI::Escape;
 use LWP::UserAgent;
-use TeX::Encode;
 
-my $USAGE="USAGE: $0  [-o output] file\n";
+my $USAGE="USAGE: $0  [-f] [-o output] file\n";
 my $VERSION = <<END;
-bibzbladd v1.0
+bibzbladd v2.0
 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
@@ -65,7 +74,7 @@ extent permitted by law.
 $USAGE
 END
 my %opts;
-getopts('o:hV',\%opts) or die $USAGE;
+getopts('fo:hV',\%opts) or die $USAGE;
 
 if ($opts{h} || $opts{V}){
     print $VERSION;
@@ -86,41 +95,45 @@ if ($opts{o}) {
     $outputfile = $opts{o};
 }
 
-my $input = new Text::BibTeX::File "$inputfile" or 
-    die "Cannot BibTeX file $inputfile\n";
-my $output = new Text::BibTeX::File "> $outputfile" or 
-    die "Cannot write to $outputfile\n";
+my $forceSearch=$opts{f};
+
+my $input= IO::File->new($inputfile) or 
+    die "Cannot find BibTeX file $inputfile\n$USAGE\n";
+my $output = IO::File->new("> $outputfile") or 
+    die "Cannot write to $outputfile\n$USAGE\n";
+
+my $parser=new BibTeX::Parser($input);
+
 
 
 # Creating the HTTP parameters
 my $mirror =
-    "http://www.zentralblatt-math.org/MIRROR/zmath/en/search/";
+    "https://zbmath.org/citationmatching/bibtex/match";
 my $userAgent = LWP::UserAgent->new;
 
-# Processing the input
-while (my $entry = new Text::BibTeX::Entry $input) {
+while (my $entry = $parser->next ) {
     if (!$entry->parse_ok()) {
 	print STDERR "Cannot understand entry: ";
 	$entry->print(*STDERR);
 	print STDERR "Skipping this entry\n";
 	next;
     }
-    if (!(($entry->metatype() eq BTE_REGULAR))) {
-	$entry->write($output);
+    if (!($entry->type() eq 'ARTICLE')) {
+	print $output $entry->raw_bibtex(), "\n\n";
 	next;
     }
-    if ($entry->exists('zblnumber')) {
-	$entry->write($output);
+    if ($entry->has('zblnumber') && !$forceSearch) {
+	print $output $entry->raw_bibtex(), "\n\n";
 	next;
     }
     
 
-    # Now we have an entry with no Zbl.  Let us get to work.
-    my $zbl = GetZbl($entry, $userAgent, $mirror);
-    if (length($zbl)) {
-	$entry->set('zblnumber',$zbl);
-    }
-    $entry->write($output);
+     # Now we have an entry with no Zbl.  Let us get to work.
+     my $zbl = GetZbl($entry, $userAgent, $mirror);
+     if (length($zbl)) {
+ 	$entry->field('zblnumber',$zbl);
+     }
+    print $output $entry->to_string(), "\n\n";
 
 }
 
@@ -139,77 +152,16 @@ sub GetZbl {
     
     my @query;
 
-    my @names=$entry->names ('author');
-    if (scalar(@names)) {
-	foreach my $name (@names) {
-	    my @lastnames = $name->part ('last');
-	    if (scalar(@lastnames)) {
-		foreach my $lastname (@lastnames) {
-		    push @query, "au:$lastname";
-		}
-	    }
-	}
-    }
-    if (my $title = $entry->get('title')) {
-	push @query, "ti:$title";
-    }
+    my $string=uri_escape_utf8($entry->to_string());
     
-    if (my $year = $entry->get('year')) {
-	push @query, "py:$year";
-    }
-
-    if (my $year = $entry->get('year')) {
-	push @query, "py:$year";
-    }
 
-    my $type = $entry->type;
-    if ($type eq 'article') {
-	push @query, "dt:j";
-    }
-    if ($type eq 'book') {
-	push @query, "dt:b";
-    }
-    if ($type eq 'inproceedings' || $type eq 'incollection') {
-	push @query, "dt:a";
-    }
-
-    my $source = "";
-    if ($type eq 'article') {
-	if ($entry->get('journal')) {
-	    $source .= $entry->get('journal');
-	}
-	if (my $vol=$entry->get('volume')) {
-	    $source .= ",$vol";
-	}
-	if (my $pages=$entry->get('pages')) {
-	    $source .= ",$pages";
-	}
-    } else {
-	if (my $bt=$entry->get('booktitle')) {
-	    $source .= "$bt";
-	}
-    }
-
-    if ($source) {
-	push @query, "so:$source";
-    }
-
-
-    my $qstring = join(" & ", @query);
-#    print STDERR "$qstring\n";
 
-    my $form;
-
-    $form->{name}='form';
-    $form->{q} =  $qstring;
-    $form->{type} = "ascii";
-    $form->{submit} = 'Search';
-
-    my $response = $userAgent->post($mirror, $form);
-    if ($response->decoded_content =~ /^an:\s*Zbl\s*(\S+)\s*$/m) {
+    my $response = $userAgent->get("$mirror?bibtex=$string");
+    if ($response->decoded_content =~ /^\s*"zbl_id":\s*"(.*)",\s*$/m) {
 	return $1;
-    } else {
-	return ("");
+     } else {
+ 	return ("");
     }
+
 }