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from sphinx.domains import Domain, ObjType
from sphinx.roles import XRefRole
from sphinx.domains.std import GenericObject, StandardDomain
from sphinx.directives import ObjectDescription
from sphinx.util.nodes import clean_astext, make_refnode
from sphinx.util import ws_re
from sphinx import addnodes
from sphinx.util.docfields import Field
from docutils import nodes
def get_id_from_cfg(text):
'''
Formats anchor ID from config option.
'''
if text[:6] == '$cfg[\'':
text = text[6:]
if text[-2:] == '\']':
text = text[:-2]
text = text.replace('[$i]', '')
parts = text.split("']['")
return parts
class ConfigOption(ObjectDescription):
indextemplate = 'configuration option; %s'
parse_node = None
has_arguments = True
doc_field_types = [
Field('default', label='Default value', has_arg=False,
names=('default', )),
Field('type', label='Type', has_arg=False,
names=('type',)),
]
def handle_signature(self, sig, signode):
signode.clear()
signode += addnodes.desc_name(sig, sig)
# normalize whitespace like XRefRole does
name = ws_re.sub('', sig)
return name
def add_target_and_index(self, name, sig, signode):
targetparts = get_id_from_cfg(name)
targetname = 'cfg_%s' % '_'.join(targetparts)
signode['ids'].append(targetname)
self.state.document.note_explicit_target(signode)
indextype = 'single'
# Generic index entries
indexentry = self.indextemplate % (name,)
self.indexnode['entries'].append((indextype, indexentry,
targetname, targetname))
self.indexnode['entries'].append((indextype, name,
targetname, targetname))
# Server section
if targetparts[0] == 'Servers' and len(targetparts) > 1:
indexname = ', '.join(targetparts[1:])
self.indexnode['entries'].append((indextype, 'server configuration; %s' % indexname,
targetname, targetname))
self.indexnode['entries'].append((indextype, indexname,
targetname, targetname))
else:
indexname = ', '.join(targetparts)
self.indexnode['entries'].append((indextype, indexname,
targetname, targetname))
self.env.domaindata['config']['objects'][self.objtype, name] = \
self.env.docname, targetname
class ConfigSectionXRefRole(XRefRole):
"""
Cross-referencing role for configuration sections (adds an index entry).
"""
def result_nodes(self, document, env, node, is_ref):
if not is_ref:
return [node], []
varname = node['reftarget']
tgtid = 'index-%s' % env.new_serialno('index')
indexnode = addnodes.index()
indexnode['entries'] = [
('single', varname, tgtid, varname),
('single', 'configuration section; %s' % varname, tgtid, varname)
]
targetnode = nodes.target('', '', ids=[tgtid])
document.note_explicit_target(targetnode)
return [indexnode, targetnode, node], []
class ConfigSection(ObjectDescription):
indextemplate = 'configuration section; %s'
parse_node = None
def handle_signature(self, sig, signode):
if self.parse_node:
name = self.parse_node(self.env, sig, signode)
else:
signode.clear()
signode += addnodes.desc_name(sig, sig)
# normalize whitespace like XRefRole does
name = ws_re.sub('', sig)
return name
def add_target_and_index(self, name, sig, signode):
targetname = '%s-%s' % (self.objtype, name)
signode['ids'].append(targetname)
self.state.document.note_explicit_target(signode)
if self.indextemplate:
colon = self.indextemplate.find(':')
if colon != -1:
indextype = self.indextemplate[:colon].strip()
indexentry = self.indextemplate[colon+1:].strip() % (name,)
else:
indextype = 'single'
indexentry = self.indextemplate % (name,)
self.indexnode['entries'].append((indextype, indexentry,
targetname, targetname))
self.env.domaindata['config']['objects'][self.objtype, name] = \
self.env.docname, targetname
class ConfigOptionXRefRole(XRefRole):
"""
Cross-referencing role for configuration options (adds an index entry).
"""
def result_nodes(self, document, env, node, is_ref):
if not is_ref:
return [node], []
varname = node['reftarget']
tgtid = 'index-%s' % env.new_serialno('index')
indexnode = addnodes.index()
indexnode['entries'] = [
('single', varname, tgtid, varname),
('single', 'configuration option; %s' % varname, tgtid, varname)
]
targetnode = nodes.target('', '', ids=[tgtid])
document.note_explicit_target(targetnode)
return [indexnode, targetnode, node], []
class ConfigFileDomain(Domain):
name = 'config'
label = 'Config'
object_types = {
'option': ObjType('config option', 'option'),
'section': ObjType('config section', 'section'),
}
directives = {
'option': ConfigOption,
'section': ConfigSection,
}
roles = {
'option': ConfigOptionXRefRole(),
'section': ConfigSectionXRefRole(),
}
initial_data = {
'objects': {}, # (type, name) -> docname, labelid
}
def clear_doc(self, docname):
for key, (fn, _) in self.data['objects'].items():
if fn == docname:
del self.data['objects'][key]
def resolve_xref(self, env, fromdocname, builder,
typ, target, node, contnode):
docname, labelid = self.data['objects'].get((typ, target), ('', ''))
if not docname:
return None
else:
return make_refnode(builder, fromdocname, docname,
labelid, contnode)
def get_objects(self):
for (type, name), info in self.data['objects'].iteritems():
yield (name, name, type, info[0], info[1],
self.object_types[type].attrs['searchprio'])
def setup(app):
app.add_domain(ConfigFileDomain)
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