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# -*- coding: utf-8 -*-
"""
sphinx.domains.javascript
~~~~~~~~~~~~~~~~~~~~~~~~~
The JavaScript domain.
:copyright: Copyright 2007-2014 by the Sphinx team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
from sphinx import addnodes
from sphinx.domains import Domain, ObjType
from sphinx.locale import l_, _
from sphinx.directives import ObjectDescription
from sphinx.roles import XRefRole
from sphinx.domains.python import _pseudo_parse_arglist
from sphinx.util.nodes import make_refnode
from sphinx.util.docfields import Field, GroupedField, TypedField
class JSObject(ObjectDescription):
"""
Description of a JavaScript object.
"""
#: If set to ``True`` this object is callable and a `desc_parameterlist` is
#: added
has_arguments = False
#: what is displayed right before the documentation entry
display_prefix = None
def handle_signature(self, sig, signode):
sig = sig.strip()
if '(' in sig and sig[-1:] == ')':
prefix, arglist = sig.split('(', 1)
prefix = prefix.strip()
arglist = arglist[:-1].strip()
else:
prefix = sig
arglist = None
if '.' in prefix:
nameprefix, name = prefix.rsplit('.', 1)
else:
nameprefix = None
name = prefix
objectname = self.env.ref_context.get('js:object')
if nameprefix:
if objectname:
# someone documenting the method of an attribute of the current
# object? shouldn't happen but who knows...
nameprefix = objectname + '.' + nameprefix
fullname = nameprefix + '.' + name
elif objectname:
fullname = objectname + '.' + name
else:
# just a function or constructor
objectname = ''
fullname = name
signode['object'] = objectname
signode['fullname'] = fullname
if self.display_prefix:
signode += addnodes.desc_annotation(self.display_prefix,
self.display_prefix)
if nameprefix:
signode += addnodes.desc_addname(nameprefix + '.', nameprefix + '.')
signode += addnodes.desc_name(name, name)
if self.has_arguments:
if not arglist:
signode += addnodes.desc_parameterlist()
else:
_pseudo_parse_arglist(signode, arglist)
return fullname, nameprefix
def add_target_and_index(self, name_obj, sig, signode):
objectname = self.options.get(
'object', self.env.ref_context.get('js:object'))
fullname = name_obj[0]
if fullname not in self.state.document.ids:
signode['names'].append(fullname)
signode['ids'].append(fullname.replace('$', '_S_'))
signode['first'] = not self.names
self.state.document.note_explicit_target(signode)
objects = self.env.domaindata['js']['objects']
if fullname in objects:
self.state_machine.reporter.warning(
'duplicate object description of %s, ' % fullname +
'other instance in ' +
self.env.doc2path(objects[fullname][0]),
line=self.lineno)
objects[fullname] = self.env.docname, self.objtype
indextext = self.get_index_text(objectname, name_obj)
if indextext:
self.indexnode['entries'].append(('single', indextext,
fullname.replace('$', '_S_'),
''))
def get_index_text(self, objectname, name_obj):
name, obj = name_obj
if self.objtype == 'function':
if not obj:
return _('%s() (built-in function)') % name
return _('%s() (%s method)') % (name, obj)
elif self.objtype == 'class':
return _('%s() (class)') % name
elif self.objtype == 'data':
return _('%s (global variable or constant)') % name
elif self.objtype == 'attribute':
return _('%s (%s attribute)') % (name, obj)
return ''
class JSCallable(JSObject):
"""Description of a JavaScript function, method or constructor."""
has_arguments = True
doc_field_types = [
TypedField('arguments', label=l_('Arguments'),
names=('argument', 'arg', 'parameter', 'param'),
typerolename='func', typenames=('paramtype', 'type')),
GroupedField('errors', label=l_('Throws'), rolename='err',
names=('throws', ),
can_collapse=True),
Field('returnvalue', label=l_('Returns'), has_arg=False,
names=('returns', 'return')),
Field('returntype', label=l_('Return type'), has_arg=False,
names=('rtype',)),
]
class JSConstructor(JSCallable):
"""Like a callable but with a different prefix."""
display_prefix = 'class '
class JSXRefRole(XRefRole):
def process_link(self, env, refnode, has_explicit_title, title, target):
# basically what sphinx.domains.python.PyXRefRole does
refnode['js:object'] = env.ref_context.get('js:object')
if not has_explicit_title:
title = title.lstrip('.')
target = target.lstrip('~')
if title[0:1] == '~':
title = title[1:]
dot = title.rfind('.')
if dot != -1:
title = title[dot+1:]
if target[0:1] == '.':
target = target[1:]
refnode['refspecific'] = True
return title, target
class JavaScriptDomain(Domain):
"""JavaScript language domain."""
name = 'js'
label = 'JavaScript'
# if you add a new object type make sure to edit JSObject.get_index_string
object_types = {
'function': ObjType(l_('function'), 'func'),
'class': ObjType(l_('class'), 'class'),
'data': ObjType(l_('data'), 'data'),
'attribute': ObjType(l_('attribute'), 'attr'),
}
directives = {
'function': JSCallable,
'class': JSConstructor,
'data': JSObject,
'attribute': JSObject,
}
roles = {
'func': JSXRefRole(fix_parens=True),
'class': JSXRefRole(fix_parens=True),
'data': JSXRefRole(),
'attr': JSXRefRole(),
}
initial_data = {
'objects': {}, # fullname -> docname, objtype
}
def clear_doc(self, docname):
for fullname, (fn, _) in list(self.data['objects'].items()):
if fn == docname:
del self.data['objects'][fullname]
def merge_domaindata(self, docnames, otherdata):
# XXX check duplicates
for fullname, (fn, objtype) in otherdata['objects'].items():
if fn in docnames:
self.data['objects'][fullname] = (fn, objtype)
def find_obj(self, env, obj, name, typ, searchorder=0):
if name[-2:] == '()':
name = name[:-2]
objects = self.data['objects']
newname = None
if searchorder == 1:
if obj and obj + '.' + name in objects:
newname = obj + '.' + name
else:
newname = name
else:
if name in objects:
newname = name
elif obj and obj + '.' + name in objects:
newname = obj + '.' + name
return newname, objects.get(newname)
def resolve_xref(self, env, fromdocname, builder, typ, target, node,
contnode):
objectname = node.get('js:object')
searchorder = node.hasattr('refspecific') and 1 or 0
name, obj = self.find_obj(env, objectname, target, typ, searchorder)
if not obj:
return None
return make_refnode(builder, fromdocname, obj[0],
name.replace('$', '_S_'), contnode, name)
def resolve_any_xref(self, env, fromdocname, builder, target, node,
contnode):
objectname = node.get('js:object')
name, obj = self.find_obj(env, objectname, target, None, 1)
if not obj:
return []
return [('js:' + self.role_for_objtype(obj[1]),
make_refnode(builder, fromdocname, obj[0],
name.replace('$', '_S_'), contnode, name))]
def get_objects(self):
for refname, (docname, type) in list(self.data['objects'].items()):
yield refname, refname, type, docname, \
refname.replace('$', '_S_'), 1
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