Source code for sphinxcontrib.bibtex.roles
"""
New Doctree Roles
~~~~~~~~~~~~~~~~~
.. autoclass:: CiteRole
:show-inheritance:
.. automethod:: result_nodes
"""
from pybtex.backends.doctree import Backend
import pybtex.database
from sphinx.roles import XRefRole # for :cite:
[docs]class CiteRole(XRefRole):
"""Class for processing the :rst:role:`cite` role."""
backend = Backend()
[docs] def result_nodes(self, document, env, node, is_ref):
"""Transform reference node into a citation reference,
and note that the reference was cited.
"""
key = node['reftarget']
# Note that at this point, usually, env.bibtex_cache.bibfiles
# is still empty because the bibliography directive may not
# have been processed yet, so we cannot get the actual entry.
# Instead, we simply fake an entry with the desired key, and
# fix the label at doctree-resolved time. This happens in
# process_citation_references.
entry = pybtex.database.Entry(type_=None)
entry.key = key
refnode = self.backend.citation_reference(entry, document)
env.bibtex_cache.add_cited(key, env.docname)
return [refnode], []