Bundle sphinxcontrib.rubydomain

Source files were downloaded from
https://bitbucket.org/birkenfeld/sphinx-contrib/src/default/rubydomain/
This commit is contained in:
Tatsuhiro Tsujikawa 2015-09-05 21:20:03 +09:00
parent be77b47ab5
commit 3029e5c530
3 changed files with 737 additions and 0 deletions

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If not otherwise noted, the extensions in this package are licensed
under the following license.
Copyright (c) 2010 by the contributors (see AUTHORS file).
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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# -*- coding: utf-8 -*-
"""
sphinxcontrib
~~~~~~~~~~~~~
This package is a namespace package that contains all extensions
distributed in the ``sphinx-contrib`` distribution.
:copyright: Copyright 2007-2009 by the Sphinx team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
__import__('pkg_resources').declare_namespace(__name__)

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# -*- coding: utf-8 -*-
"""
sphinx.domains.ruby
~~~~~~~~~~~~~~~~~~~
The Ruby domain.
:copyright: Copyright 2010 by SHIBUKAWA Yoshiki
:license: BSD, see LICENSE for details.
"""
import re
from docutils import nodes
from docutils.parsers.rst import directives
from sphinx import addnodes
from sphinx.roles import XRefRole
from sphinx.locale import l_, _
from sphinx.domains import Domain, ObjType, Index
from sphinx.directives import ObjectDescription
from sphinx.util.nodes import make_refnode
from sphinx.util.compat import Directive
from sphinx.util.docfields import Field, GroupedField, TypedField
# REs for Ruby signatures
rb_sig_re = re.compile(
r'''^ ([\w.]*\.)? # class name(s)
(\$?\w+\??!?) \s* # thing name
(?: \((.*)\) # optional: arguments
(?:\s* -> \s* (.*))? # return annotation
)? $ # and nothing more
''', re.VERBOSE)
rb_paramlist_re = re.compile(r'([\[\],])') # split at '[', ']' and ','
separators = {
'method':'#', 'attr_reader':'#', 'attr_writer':'#', 'attr_accessor':'#',
'function':'.', 'classmethod':'.', 'class':'::', 'module':'::',
'global':'', 'const':'::'}
rb_separator = re.compile(r"(?:\w+)?(?:::)?(?:\.)?(?:#)?")
def _iteritems(d):
for k in d:
yield k, d[k]
def ruby_rsplit(fullname):
items = [item for item in rb_separator.findall(fullname)]
return ''.join(items[:-2]), items[-1]
class RubyObject(ObjectDescription):
"""
Description of a general Ruby object.
"""
option_spec = {
'noindex': directives.flag,
'module': directives.unchanged,
}
doc_field_types = [
TypedField('parameter', label=l_('Parameters'),
names=('param', 'parameter', 'arg', 'argument'),
typerolename='obj', typenames=('paramtype', 'type')),
TypedField('variable', label=l_('Variables'), rolename='obj',
names=('var', 'ivar', 'cvar'),
typerolename='obj', typenames=('vartype',)),
GroupedField('exceptions', label=l_('Raises'), rolename='exc',
names=('raises', 'raise', 'exception', 'except'),
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',)),
]
def get_signature_prefix(self, sig):
"""
May return a prefix to put before the object name in the signature.
"""
return ''
def needs_arglist(self):
"""
May return true if an empty argument list is to be generated even if
the document contains none.
"""
return False
def handle_signature(self, sig, signode):
"""
Transform a Ruby signature into RST nodes.
Returns (fully qualified name of the thing, classname if any).
If inside a class, the current class name is handled intelligently:
* it is stripped from the displayed name if present
* it is added to the full name (return value) if not present
"""
m = rb_sig_re.match(sig)
if m is None:
raise ValueError
name_prefix, name, arglist, retann = m.groups()
if not name_prefix:
name_prefix = ""
# determine module and class name (if applicable), as well as full name
modname = self.options.get(
'module', self.env.temp_data.get('rb:module'))
classname = self.env.temp_data.get('rb:class')
if self.objtype == 'global':
add_module = False
modname = None
classname = None
fullname = name
elif classname:
add_module = False
if name_prefix and name_prefix.startswith(classname):
fullname = name_prefix + name
# class name is given again in the signature
name_prefix = name_prefix[len(classname):].lstrip('.')
else:
separator = separators[self.objtype]
fullname = classname + separator + name_prefix + name
else:
add_module = True
if name_prefix:
classname = name_prefix.rstrip('.')
fullname = name_prefix + name
else:
classname = ''
fullname = name
signode['module'] = modname
signode['class'] = self.class_name = classname
signode['fullname'] = fullname
sig_prefix = self.get_signature_prefix(sig)
if sig_prefix:
signode += addnodes.desc_annotation(sig_prefix, sig_prefix)
if name_prefix:
signode += addnodes.desc_addname(name_prefix, name_prefix)
# exceptions are a special case, since they are documented in the
# 'exceptions' module.
elif add_module and self.env.config.add_module_names:
if self.objtype == 'global':
nodetext = ''
signode += addnodes.desc_addname(nodetext, nodetext)
else:
modname = self.options.get(
'module', self.env.temp_data.get('rb:module'))
if modname and modname != 'exceptions':
nodetext = modname + separators[self.objtype]
signode += addnodes.desc_addname(nodetext, nodetext)
signode += addnodes.desc_name(name, name)
if not arglist:
if self.needs_arglist():
# for callables, add an empty parameter list
signode += addnodes.desc_parameterlist()
if retann:
signode += addnodes.desc_returns(retann, retann)
return fullname, name_prefix
signode += addnodes.desc_parameterlist()
stack = [signode[-1]]
for token in rb_paramlist_re.split(arglist):
if token == '[':
opt = addnodes.desc_optional()
stack[-1] += opt
stack.append(opt)
elif token == ']':
try:
stack.pop()
except IndexError:
raise ValueError
elif not token or token == ',' or token.isspace():
pass
else:
token = token.strip()
stack[-1] += addnodes.desc_parameter(token, token)
if len(stack) != 1:
raise ValueError
if retann:
signode += addnodes.desc_returns(retann, retann)
return fullname, name_prefix
def get_index_text(self, modname, name):
"""
Return the text for the index entry of the object.
"""
raise NotImplementedError('must be implemented in subclasses')
def _is_class_member(self):
return self.objtype.endswith('method') or self.objtype.startswith('attr')
def add_target_and_index(self, name_cls, sig, signode):
if self.objtype == 'global':
modname = ''
else:
modname = self.options.get(
'module', self.env.temp_data.get('rb:module'))
separator = separators[self.objtype]
if self._is_class_member():
if signode['class']:
prefix = modname and modname + '::' or ''
else:
prefix = modname and modname + separator or ''
else:
prefix = modname and modname + separator or ''
fullname = prefix + name_cls[0]
# note target
if fullname not in self.state.document.ids:
signode['names'].append(fullname)
signode['ids'].append(fullname)
signode['first'] = (not self.names)
self.state.document.note_explicit_target(signode)
objects = self.env.domaindata['rb']['objects']
if fullname in objects:
self.env.warn(
self.env.docname,
'duplicate object description of %s, ' % fullname +
'other instance in ' +
self.env.doc2path(objects[fullname][0]),
self.lineno)
objects[fullname] = (self.env.docname, self.objtype)
indextext = self.get_index_text(modname, name_cls)
if indextext:
self.indexnode['entries'].append(('single', indextext,
fullname, fullname))
def before_content(self):
# needed for automatic qualification of members (reset in subclasses)
self.clsname_set = False
def after_content(self):
if self.clsname_set:
self.env.temp_data['rb:class'] = None
class RubyModulelevel(RubyObject):
"""
Description of an object on module level (functions, data).
"""
def needs_arglist(self):
return self.objtype == 'function'
def get_index_text(self, modname, name_cls):
if self.objtype == 'function':
if not modname:
return _('%s() (global function)') % name_cls[0]
return _('%s() (module function in %s)') % (name_cls[0], modname)
else:
return ''
class RubyGloballevel(RubyObject):
"""
Description of an object on module level (functions, data).
"""
def get_index_text(self, modname, name_cls):
if self.objtype == 'global':
return _('%s (global variable)') % name_cls[0]
else:
return ''
class RubyEverywhere(RubyObject):
"""
Description of a class member (methods, attributes).
"""
def needs_arglist(self):
return self.objtype == 'method'
def get_index_text(self, modname, name_cls):
name, cls = name_cls
add_modules = self.env.config.add_module_names
if self.objtype == 'method':
try:
clsname, methname = ruby_rsplit(name)
except ValueError:
if modname:
return _('%s() (in module %s)') % (name, modname)
else:
return '%s()' % name
if modname and add_modules:
return _('%s() (%s::%s method)') % (methname, modname,
clsname)
else:
return _('%s() (%s method)') % (methname, clsname)
else:
return ''
class RubyClasslike(RubyObject):
"""
Description of a class-like object (classes, exceptions).
"""
def get_signature_prefix(self, sig):
return self.objtype + ' '
def get_index_text(self, modname, name_cls):
if self.objtype == 'class':
if not modname:
return _('%s (class)') % name_cls[0]
return _('%s (class in %s)') % (name_cls[0], modname)
elif self.objtype == 'exception':
return name_cls[0]
else:
return ''
def before_content(self):
RubyObject.before_content(self)
if self.names:
self.env.temp_data['rb:class'] = self.names[0][0]
self.clsname_set = True
class RubyClassmember(RubyObject):
"""
Description of a class member (methods, attributes).
"""
def needs_arglist(self):
return self.objtype.endswith('method')
def get_signature_prefix(self, sig):
if self.objtype == 'classmethod':
return "classmethod %s." % self.class_name
elif self.objtype == 'attr_reader':
return "attribute [R] "
elif self.objtype == 'attr_writer':
return "attribute [W] "
elif self.objtype == 'attr_accessor':
return "attribute [R/W] "
return ''
def get_index_text(self, modname, name_cls):
name, cls = name_cls
add_modules = self.env.config.add_module_names
if self.objtype == 'classmethod':
try:
clsname, methname = ruby_rsplit(name)
except ValueError:
return '%s()' % name
if modname:
return _('%s() (%s.%s class method)') % (methname, modname,
clsname)
else:
return _('%s() (%s class method)') % (methname, clsname)
elif self.objtype.startswith('attr'):
try:
clsname, attrname = ruby_rsplit(name)
except ValueError:
return name
if modname and add_modules:
return _('%s (%s.%s attribute)') % (attrname, modname, clsname)
else:
return _('%s (%s attribute)') % (attrname, clsname)
else:
return ''
def before_content(self):
RubyObject.before_content(self)
lastname = self.names and self.names[-1][1]
if lastname and not self.env.temp_data.get('rb:class'):
self.env.temp_data['rb:class'] = lastname.strip('.')
self.clsname_set = True
class RubyModule(Directive):
"""
Directive to mark description of a new module.
"""
has_content = False
required_arguments = 1
optional_arguments = 0
final_argument_whitespace = False
option_spec = {
'platform': lambda x: x,
'synopsis': lambda x: x,
'noindex': directives.flag,
'deprecated': directives.flag,
}
def run(self):
env = self.state.document.settings.env
modname = self.arguments[0].strip()
noindex = 'noindex' in self.options
env.temp_data['rb:module'] = modname
env.domaindata['rb']['modules'][modname] = \
(env.docname, self.options.get('synopsis', ''),
self.options.get('platform', ''), 'deprecated' in self.options)
targetnode = nodes.target('', '', ids=['module-' + modname], ismod=True)
self.state.document.note_explicit_target(targetnode)
ret = [targetnode]
# XXX this behavior of the module directive is a mess...
if 'platform' in self.options:
platform = self.options['platform']
node = nodes.paragraph()
node += nodes.emphasis('', _('Platforms: '))
node += nodes.Text(platform, platform)
ret.append(node)
# the synopsis isn't printed; in fact, it is only used in the
# modindex currently
if not noindex:
indextext = _('%s (module)') % modname
inode = addnodes.index(entries=[('single', indextext,
'module-' + modname, modname)])
ret.append(inode)
return ret
class RubyCurrentModule(Directive):
"""
This directive is just to tell Sphinx that we're documenting
stuff in module foo, but links to module foo won't lead here.
"""
has_content = False
required_arguments = 1
optional_arguments = 0
final_argument_whitespace = False
option_spec = {}
def run(self):
env = self.state.document.settings.env
modname = self.arguments[0].strip()
if modname == 'None':
env.temp_data['rb:module'] = None
else:
env.temp_data['rb:module'] = modname
return []
class RubyXRefRole(XRefRole):
def process_link(self, env, refnode, has_explicit_title, title, target):
if not has_explicit_title:
title = title.lstrip('.') # only has a meaning for the target
title = title.lstrip('#')
if title.startswith("::"):
title = title[2:]
target = target.lstrip('~') # only has a meaning for the title
# if the first character is a tilde, don't display the module/class
# parts of the contents
if title[0:1] == '~':
m = re.search(r"(?:\.)?(?:#)?(?:::)?(.*)\Z", title)
if m:
title = m.group(1)
if not title.startswith("$"):
refnode['rb:module'] = env.temp_data.get('rb:module')
refnode['rb:class'] = env.temp_data.get('rb:class')
# if the first character is a dot, search more specific namespaces first
# else search builtins first
if target[0:1] == '.':
target = target[1:]
refnode['refspecific'] = True
return title, target
class RubyModuleIndex(Index):
"""
Index subclass to provide the Ruby module index.
"""
name = 'modindex'
localname = l_('Ruby Module Index')
shortname = l_('modules')
def generate(self, docnames=None):
content = {}
# list of prefixes to ignore
ignores = self.domain.env.config['modindex_common_prefix']
ignores = sorted(ignores, key=len, reverse=True)
# list of all modules, sorted by module name
modules = sorted(_iteritems(self.domain.data['modules']),
key=lambda x: x[0].lower())
# sort out collapsable modules
prev_modname = ''
num_toplevels = 0
for modname, (docname, synopsis, platforms, deprecated) in modules:
if docnames and docname not in docnames:
continue
for ignore in ignores:
if modname.startswith(ignore):
modname = modname[len(ignore):]
stripped = ignore
break
else:
stripped = ''
# we stripped the whole module name?
if not modname:
modname, stripped = stripped, ''
entries = content.setdefault(modname[0].lower(), [])
package = modname.split('::')[0]
if package != modname:
# it's a submodule
if prev_modname == package:
# first submodule - make parent a group head
entries[-1][1] = 1
elif not prev_modname.startswith(package):
# submodule without parent in list, add dummy entry
entries.append([stripped + package, 1, '', '', '', '', ''])
subtype = 2
else:
num_toplevels += 1
subtype = 0
qualifier = deprecated and _('Deprecated') or ''
entries.append([stripped + modname, subtype, docname,
'module-' + stripped + modname, platforms,
qualifier, synopsis])
prev_modname = modname
# apply heuristics when to collapse modindex at page load:
# only collapse if number of toplevel modules is larger than
# number of submodules
collapse = len(modules) - num_toplevels < num_toplevels
# sort by first letter
content = sorted(_iteritems(content))
return content, collapse
class RubyDomain(Domain):
"""Ruby language domain."""
name = 'rb'
label = 'Ruby'
object_types = {
'function': ObjType(l_('function'), 'func', 'obj'),
'global': ObjType(l_('global variable'), 'global', 'obj'),
'method': ObjType(l_('method'), 'meth', 'obj'),
'class': ObjType(l_('class'), 'class', 'obj'),
'exception': ObjType(l_('exception'), 'exc', 'obj'),
'classmethod': ObjType(l_('class method'), 'meth', 'obj'),
'attr_reader': ObjType(l_('attribute'), 'attr', 'obj'),
'attr_writer': ObjType(l_('attribute'), 'attr', 'obj'),
'attr_accessor': ObjType(l_('attribute'), 'attr', 'obj'),
'const': ObjType(l_('const'), 'const', 'obj'),
'module': ObjType(l_('module'), 'mod', 'obj'),
}
directives = {
'function': RubyModulelevel,
'global': RubyGloballevel,
'method': RubyEverywhere,
'const': RubyEverywhere,
'class': RubyClasslike,
'exception': RubyClasslike,
'classmethod': RubyClassmember,
'attr_reader': RubyClassmember,
'attr_writer': RubyClassmember,
'attr_accessor': RubyClassmember,
'module': RubyModule,
'currentmodule': RubyCurrentModule,
}
roles = {
'func': RubyXRefRole(fix_parens=False),
'global':RubyXRefRole(),
'class': RubyXRefRole(),
'exc': RubyXRefRole(),
'meth': RubyXRefRole(fix_parens=False),
'attr': RubyXRefRole(),
'const': RubyXRefRole(),
'mod': RubyXRefRole(),
'obj': RubyXRefRole(),
}
initial_data = {
'objects': {}, # fullname -> docname, objtype
'modules': {}, # modname -> docname, synopsis, platform, deprecated
}
indices = [
RubyModuleIndex,
]
def clear_doc(self, docname):
for fullname, (fn, _) in list(self.data['objects'].items()):
if fn == docname:
del self.data['objects'][fullname]
for modname, (fn, _, _, _) in list(self.data['modules'].items()):
if fn == docname:
del self.data['modules'][modname]
def find_obj(self, env, modname, classname, name, type, searchorder=0):
"""
Find a Ruby object for "name", perhaps using the given module and/or
classname.
"""
# skip parens
if name[-2:] == '()':
name = name[:-2]
if not name:
return None, None
objects = self.data['objects']
newname = None
if searchorder == 1:
if modname and classname and \
modname + '::' + classname + '#' + name in objects:
newname = modname + '::' + classname + '#' + name
elif modname and classname and \
modname + '::' + classname + '.' + name in objects:
newname = modname + '::' + classname + '.' + name
elif modname and modname + '::' + name in objects:
newname = modname + '::' + name
elif modname and modname + '#' + name in objects:
newname = modname + '#' + name
elif modname and modname + '.' + name in objects:
newname = modname + '.' + name
elif classname and classname + '.' + name in objects:
newname = classname + '.' + name
elif classname and classname + '#' + name in objects:
newname = classname + '#' + name
elif name in objects:
newname = name
else:
if name in objects:
newname = name
elif classname and classname + '.' + name in objects:
newname = classname + '.' + name
elif classname and classname + '#' + name in objects:
newname = classname + '#' + name
elif modname and modname + '::' + name in objects:
newname = modname + '::' + name
elif modname and modname + '#' + name in objects:
newname = modname + '#' + name
elif modname and modname + '.' + name in objects:
newname = modname + '.' + name
elif modname and classname and \
modname + '::' + classname + '#' + name in objects:
newname = modname + '::' + classname + '#' + name
elif modname and classname and \
modname + '::' + classname + '.' + name in objects:
newname = modname + '::' + classname + '.' + name
# special case: object methods
elif type in ('func', 'meth') and '.' not in name and \
'object.' + name in objects:
newname = 'object.' + name
if newname is None:
return None, None
return newname, objects[newname]
def resolve_xref(self, env, fromdocname, builder,
typ, target, node, contnode):
if (typ == 'mod' or
typ == 'obj' and target in self.data['modules']):
docname, synopsis, platform, deprecated = \
self.data['modules'].get(target, ('','','', ''))
if not docname:
return None
else:
title = '%s%s%s' % ((platform and '(%s) ' % platform),
synopsis,
(deprecated and ' (deprecated)' or ''))
return make_refnode(builder, fromdocname, docname,
'module-' + target, contnode, title)
else:
modname = node.get('rb:module')
clsname = node.get('rb:class')
searchorder = node.hasattr('refspecific') and 1 or 0
name, obj = self.find_obj(env, modname, clsname,
target, typ, searchorder)
if not obj:
return None
else:
return make_refnode(builder, fromdocname, obj[0], name,
contnode, name)
def get_objects(self):
for modname, info in _iteritems(self.data['modules']):
yield (modname, modname, 'module', info[0], 'module-' + modname, 0)
for refname, (docname, type) in _iteritems(self.data['objects']):
yield (refname, refname, type, docname, refname, 1)
def setup(app):
app.add_domain(RubyDomain)