# -*- coding: utf-8 -*-
##
## This file is part of Invenio.
## Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 CERN.
##
## Invenio is free software; you can redistribute it and/or
## modify it under the terms of the GNU General Public License as
## published by the Free Software Foundation; either version 2 of the
## License, or (at your option) any later version.
##
## Invenio is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with Invenio; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
"""BibFormat element - Prints list of addresses
"""

__revision__ = "$Id$"

import cgi
from urllib import quote
from invenio.config import CFG_SITE_URL

def format_element(bfo, separator="; ", print_link="yes"):
    """
    Prints a list of addresses linked to this report

    @param separator: the separator between addresses.
    @param print_link: Links the addresses to search engine (HTML links) if 'yes'
    """

    addresses = bfo.fields('270')
    list_addresses = []
    if print_link.lower() == 'yes':
        for address in addresses:
            list_addresses.append('<a href="'+CFG_SITE_URL+'/search?f=author&p='+ \
                                  quote(address.get('p', "")) + \
                                  '&amp;ln=' + bfo.lang + \
                                  '">'+cgi.escape(address.get('p', "")) + \
                                  '</a>')
            list_addresses.append(cgi.escape(address.get('g', "")))
    else:
        for address in addresses:
            list_addresses.append(cgi.escape(address.get('p', "")))
            list_addresses.append(cgi.escape(address.get('g', "")))

    return separator.join(list_addresses)

def escape_values(bfo):
    """
    Called by BibFormat in order to check if output of this element
    should be escaped.
    """
    return 0
