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#!/usr/bin/env perl
# Copyright (C) 2006-2007 M.A.L. Marques
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
if(@ARGV < 1) {
print STDERR "Usage: get_references.pl BIBFILE\n";
exit(1);
}
$bibfile = shift;
use Cwd;
# initialize stuff
@reference = ();
%bibtex = {};
%doi = {};
%bibitem = {};
# first we read the libxc.bib file and get the references
open(BIB, "<", $bibfile);
while($_=<BIB>){
if($_ =~ /@.*\{(.*),/){
$ref = $1;
push(@reference, $ref);
$bibtex{$ref} = $_;
while(($_=<BIB>) && !($_=~/^\s*\}/)){
$bibtex{$ref} .= $_;
if($_ =~ /doi\s*=\s*[{\"]([^}\"]*)[}\"]*/){
$doi{$ref} = $1;
$doi{$ref} =~ s/http:\/\/doi.org\///;
}
}
$bibtex{$ref} .= "}";
$bibtex{$ref} =~ s/\\/\\\\/g; # protect backslashes
$bibtex{$ref} =~ s/\"/\\\"/g; # protect quotation marks
$bibtex{$ref} =~ s/\n/\\n/g; # protect new lines
}
}
close(BIB);
# now we have to make the reference. For that we will run latex
my $cwd = getcwd();
$dir = "/tmp";
open(TEX, ">$dir/$$.tex");
print TEX "\\documentclass[aps,prl]{revtex4-1}
\\usepackage[utf8]{inputenc}
\\begin{document}
\\nocite{*}
\\bibliography{$cwd/../libxc}
\\end{document}
";
close(TEX);
# run latex and bibtex
system "cd $dir && latex $$.tex && bibtex $$.aux && latex $$.tex && latex $$.tex && /bin/mv -f $$.dvi libxc.dvi";
# now we parse the bbl file
open(BBL, "<$dir/$$.bbl");
$item = "";
while($_=<BBL>){
if($item ne ""){
if($_ =~ /^\s\s/){
$_ =~ s/\{NoStop\}%//;
$item .= $_;
}else{
# we now clean and parse the bibitem
$item =~ s/\n//gm;
$item =~ s/%//gm;
# remove accents
$item =~ s/\\o({})?/o/g;
$item =~ s/\\l({})?/l/g;
$item =~ s/\\["'`~ov]{(.?)}/$1/g;
$item =~ s/\\["'`~]//g;
$item =~ s/\{\\natexlab\{.\}(.*?)\}/$1/g;
$item =~ s/^\\bibitem\s*\[.*\]\{(.*?)\}//;
$label = $1;
$item =~ s/\\BibitemOpen//;
$item =~ s/\\BibitemShut.*//;
$item =~ s/\\bibf*namefont\s*\{(.*?)\}/$1/g;
$item =~ s/\\bibinfo\s*\{.*?\}\s*\{(.*?)\}/$1/g;
$item =~ s/\\bibinfo\s*\{editor\s+\{(.*?)\}(.*?)\}/$1$2/g; # result of nested bibinfos for book with editor
$item =~ s/\\bibfield\s*\{.*?\}\s*\{(.*?)\}/$1/g;
$item =~ s/\\textbf\s*\{(.*?)\}/$1/g;
$item =~ s/\\emph\s*\{(.*?)\}/$1/g;
$item =~ s/\\enquote\s*\{(.*?)\}/$1/g;
$item =~ s/\\href.*?\{.*?\}\s*\{(.*?)\}/$1/g;
$item =~ s/,\\ \\Eprint.*?\{.*?\}\s*\{(http:\/\/.*?)\}\s*//g; # wipe URL that is not arxiv
$item =~ s/\\Eprint.*?\{.*?\}\s*\{(.*?)\}\s*/$1/g; # arxiv
$item =~ s/\\v\{(.)(.*?)\}/\\v{$1}$2/g; # special rule for haceks \v{ } in names
$item =~ s/\\ / /g;
$item =~ s/~/ /g;
$item =~ s/^\s*//;
$item =~ s/\s+/ /g;
# double up remaining backslashes so they print and don't try to escape the next character
$item =~ s/\\/\\\\/g;
# check if things seem ok
if($item =~ /\\/) {
print STDERR "WARNING: backslashes remain.\n";
print STDERR $item . "\n";
}
if($item =~ /\{/ || $item =~ /\}/) {
print STDERR "WARNING: braces remain.\n";
print STDERR $item . "\n";
}
# remove remaining braces and backslashes
$item =~ s/{(.*?)}/$1/g;
$item =~ s/\\//g;
$bibitem{$label} = $item;
$item = "";
}
}
if($_ =~ /^\\bibitem/){
$item = $_;
}
while($item =~ /\%/){
$item =~ s/\%//g;
$item .= <BBL>;
}
};
close(BBL);
# delete garbage
system "cd $dir && /bin/rm -f $$.tex $$.aux $$.bbl $$.blg $$.log $$Notes.bib $$.pol $$.pol_ref $$.unpol $$.unpol_ref";
# now we make a nice output
open(OUT_C, ">references.c");
open(OUT_H, ">references.h");
$str = "/*
This file is autogenerated. Please do not change it directly. Run instead
./get_references.pl
*/
/*
Copyright (C) 2006-2007 M.A.L. Marques
This Source Code Form is subject to the terms of the Mozilla Public
License, v. 2.0. If a copy of the MPL was not distributed with this
file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <xc.h>
";
print OUT_C $str;
print OUT_H $str;
foreach $r (@reference){
$r2 = $r;
$r2 =~ s/[^a-zA-Z0-9]/_/g;
print OUT_C "func_reference_type xc_ref_$r2 = {
\"$bibitem{$r}\",
\"$doi{$r}\",
\"$bibtex{$r}\"
};
\n\n";
print OUT_H "extern func_reference_type xc_ref_$r2;\n";
}
close(OUT_C);
close(OUT_H);
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