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/*
* Referencer is released under the GNU General Public License v2
* See the COPYING file for licensing details.
*
* Copyright 2007 John Spray
* (Exceptions listed in README)
*
*/
#include <iostream>
#include <gtkmm.h>
#include <glibmm/i18n.h>
#include "ucompose.hpp"
#include "BibData.h"
#include "BibUtils.h"
#include "Preferences.h"
#include "Transfer.h"
#include "Utility.h"
#include "config.h"
#include "ArxivPlugin.h"
int ArxivPlugin::canResolve (Document &doc)
{
if (doc.hasField("eprint") || doc.hasField("ee"))
return 80;
return -1;
}
bool ArxivPlugin::resolve (Document &doc)
{
DEBUG (">> resolve");
if (!doc.hasField("eprint") || _global_prefs->getWorkOffline())
return false;
Glib::ustring arxivid = doc.getField("eprint");
Glib::ustring::size_type index = arxivid.find ("v");
if (index != Glib::ustring::npos) {
arxivid = arxivid.substr (0, index);
}
arxivid = Glib::Markup::escape_text (arxivid);
Glib::ustring const filename = "http://www.citebase.org/openurl?url_ver=Z39.88-2004&svc_id=bibtex&rft_id=oai%3AarXiv.org%3A" + arxivid;
Glib::ustring messagetext =
String::ucompose (
"<b><big>%1</big></b>\n\n%2\n",
_("Retrieving metadata"),
String::ucompose (
_("Contacting citebase.org to retrieve metadata for '%1'"),
arxivid)
);
DEBUG (">> netops");
Glib::ustring *rawtext;
try {
rawtext = &Transfer::readRemoteFile (
_("Downloading Metadata"), messagetext, filename);
DEBUG ("Raw citebase:\n%1\n----", *rawtext);
} catch (Transfer::Exception ex) {
Utility::exceptionDialog (&ex, _("Downloading metadata"));
return false;
}
DEBUG ("<< netops");
if (rawtext->size() == 0)
return false;
BibUtils::param p;
BibUtils::bibl b;
BibUtils::bibl_init( &b );
BibUtils::bibl_initparams( &p, BibUtils::FORMAT_BIBTEX, BIBL_MODSOUT);
try {
BibUtils::biblFromString (b, *rawtext, BibUtils::FORMAT_BIBTEX, p);
if (b.nrefs < 1)
return false;
Document newdoc = BibUtils::parseBibUtils (b.ref[0]);
// Sometimes citebase gives us an URL which is just a doi
Glib::ustring const url = newdoc.getBibData().extras_["Url"];
DEBUG ("url = %1", url);
DEBUG ("substr = ", url.substr (0, 4));
if (url.size() >= 5 && url.substr (0, 4) == Glib::ustring("doi:")) {
if (newdoc.getBibData().getDoi().empty()) {
newdoc.getBibData().setDoi (url.substr(4, url.size()));
BibData::ExtrasMap::iterator it = newdoc.getBibData().extras_.find("Url");
newdoc.getBibData().extras_.erase(it);
}
}
doc.getBibData().mergeIn (newdoc.getBibData());
BibUtils::bibl_free( &b );
} catch (Glib::Error ex) {
BibUtils::bibl_free( &b );
Utility::exceptionDialog (&ex, _("Parsing BibTeX"));
return false;
}
return true;
}
Glib::ustring const ArxivPlugin::getShortName ()
{
return Glib::ustring ("arxiv");
}
Glib::ustring const ArxivPlugin::getLongName ()
{
return Glib::ustring (_("Arxiv.org ArXiv-ID resolver"));
}
Glib::ustring const ArxivPlugin::getAuthor ()
{
return Glib::ustring ("John Spray");
}
Glib::ustring const ArxivPlugin::getVersion ()
{
return Glib::ustring (VERSION);
}
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