sphinx/sphinx/directives/other.py

414 lines
15 KiB
Python

# -*- coding: utf-8 -*-
"""
sphinx.directives.other
~~~~~~~~~~~~~~~~~~~~~~~
:copyright: 2007-2008 by Georg Brandl.
:license: BSD, see LICENSE for details.
"""
import re
import posixpath
from docutils import nodes
from docutils.parsers.rst import directives
from sphinx import addnodes
from sphinx.locale import pairindextypes
from sphinx.util import patfilter, ws_re, caption_ref_re
from sphinx.util.compat import make_admonition
# ------ the TOC tree ---------------------------------------------------------------
def toctree_directive(name, arguments, options, content, lineno,
content_offset, block_text, state, state_machine):
env = state.document.settings.env
suffix = env.config.source_suffix
dirname = posixpath.dirname(env.docname)
glob = 'glob' in options
ret = []
includefiles = []
includetitles = {}
all_docnames = env.found_docs.copy()
# don't add the currently visited file in catch-all patterns
all_docnames.remove(env.docname)
for entry in content:
if not entry:
continue
if not glob:
# look for explicit titles and documents ("Some Title <document>").
m = caption_ref_re.match(entry)
if m:
docname = m.group(2)
includetitles[docname] = m.group(1)
else:
docname = entry
# remove suffixes (backwards compatibility)
if docname.endswith(suffix):
docname = docname[:-len(suffix)]
# absolutize filenames
docname = posixpath.normpath(posixpath.join(dirname, docname))
if docname not in env.found_docs:
ret.append(state.document.reporter.warning(
'toctree references unknown document %r' % docname, line=lineno))
else:
includefiles.append(docname)
else:
patname = posixpath.normpath(posixpath.join(dirname, entry))
docnames = sorted(patfilter(all_docnames, patname))
for docname in docnames:
all_docnames.remove(docname) # don't include it again
includefiles.append(docname)
if not docnames:
ret.append(state.document.reporter.warning(
'toctree glob pattern %r didn\'t match any documents' % entry,
line=lineno))
subnode = addnodes.toctree()
subnode['includefiles'] = includefiles
subnode['includetitles'] = includetitles
subnode['maxdepth'] = options.get('maxdepth', -1)
subnode['glob'] = glob
subnode['hidden'] = 'hidden' in options
ret.append(subnode)
return ret
toctree_directive.content = 1
toctree_directive.options = {'maxdepth': int, 'glob': directives.flag,
'hidden': directives.flag}
directives.register_directive('toctree', toctree_directive)
# ------ section metadata ----------------------------------------------------------
def module_directive(name, arguments, options, content, lineno,
content_offset, block_text, state, state_machine):
env = state.document.settings.env
modname = arguments[0].strip()
noindex = 'noindex' in options
env.currmodule = modname
env.note_module(modname, options.get('synopsis', ''),
options.get('platform', ''),
'deprecated' in options)
modulenode = addnodes.module()
modulenode['modname'] = modname
modulenode['synopsis'] = options.get('synopsis', '')
targetnode = nodes.target('', '', ids=['module-' + modname])
state.document.note_explicit_target(targetnode)
ret = [modulenode, targetnode]
if 'platform' in options:
modulenode['platform'] = options['platform']
node = nodes.paragraph()
node += nodes.emphasis('', _('Platforms: '))
node += nodes.Text(options['platform'], options['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.insert(0, inode)
return ret
module_directive.arguments = (1, 0, 0)
module_directive.options = {'platform': lambda x: x,
'synopsis': lambda x: x,
'noindex': directives.flag,
'deprecated': directives.flag}
directives.register_directive('module', module_directive)
def currentmodule_directive(name, arguments, options, content, lineno,
content_offset, block_text, state, state_machine):
# This directive is just to tell people that we're documenting
# stuff in module foo, but links to module foo won't lead here.
env = state.document.settings.env
modname = arguments[0].strip()
if modname == 'None':
env.currmodule = None
else:
env.currmodule = modname
return []
currentmodule_directive.arguments = (1, 0, 0)
directives.register_directive('currentmodule', currentmodule_directive)
def author_directive(name, arguments, options, content, lineno,
content_offset, block_text, state, state_machine):
# Show authors only if the show_authors option is on
env = state.document.settings.env
if not env.config.show_authors:
return []
para = nodes.paragraph()
emph = nodes.emphasis()
para += emph
if name == 'sectionauthor':
text = _('Section author: ')
elif name == 'moduleauthor':
text = _('Module author: ')
else:
text = _('Author: ')
emph += nodes.Text(text, text)
inodes, messages = state.inline_text(arguments[0], lineno)
emph.extend(inodes)
return [para] + messages
author_directive.arguments = (1, 0, 1)
directives.register_directive('sectionauthor', author_directive)
directives.register_directive('moduleauthor', author_directive)
def program_directive(name, arguments, options, content, lineno,
content_offset, block_text, state, state_machine):
env = state.document.settings.env
program = ws_re.sub('-', arguments[0].strip())
if program == 'None':
env.currprogram = None
else:
env.currprogram = program
return []
program_directive.arguments = (1, 0, 1)
directives.register_directive('program', program_directive)
# ------ index markup --------------------------------------------------------------
indextypes = [
'single', 'pair', 'triple',
]
def index_directive(name, arguments, options, content, lineno,
content_offset, block_text, state, state_machine):
arguments = arguments[0].split('\n')
env = state.document.settings.env
targetid = 'index-%s' % env.index_num
env.index_num += 1
targetnode = nodes.target('', '', ids=[targetid])
state.document.note_explicit_target(targetnode)
indexnode = addnodes.index()
indexnode['entries'] = ne = []
for entry in arguments:
entry = entry.strip()
for type in pairindextypes:
if entry.startswith(type+':'):
value = entry[len(type)+1:].strip()
value = pairindextypes[type] + '; ' + value
ne.append(('pair', value, targetid, value))
break
else:
for type in indextypes:
if entry.startswith(type+':'):
value = entry[len(type)+1:].strip()
ne.append((type, value, targetid, value))
break
# shorthand notation for single entries
else:
for value in entry.split(','):
value = value.strip()
if not value:
continue
ne.append(('single', value, targetid, value))
return [indexnode, targetnode]
index_directive.arguments = (1, 0, 1)
directives.register_directive('index', index_directive)
# ------ versionadded/versionchanged -----------------------------------------------
def version_directive(name, arguments, options, content, lineno,
content_offset, block_text, state, state_machine):
node = addnodes.versionmodified()
node['type'] = name
node['version'] = arguments[0]
if len(arguments) == 2:
inodes, messages = state.inline_text(arguments[1], lineno+1)
node.extend(inodes)
if content:
state.nested_parse(content, content_offset, node)
ret = [node] + messages
else:
ret = [node]
env = state.document.settings.env
env.note_versionchange(node['type'], node['version'], node, lineno)
return ret
version_directive.arguments = (1, 1, 1)
version_directive.content = 1
directives.register_directive('deprecated', version_directive)
directives.register_directive('versionadded', version_directive)
directives.register_directive('versionchanged', version_directive)
# ------ see also ------------------------------------------------------------------
def seealso_directive(name, arguments, options, content, lineno,
content_offset, block_text, state, state_machine):
ret = make_admonition(
addnodes.seealso, name, [_('See also')], options, content,
lineno, content_offset, block_text, state, state_machine)
if arguments:
argnodes, msgs = state.inline_text(arguments[0], lineno)
para = nodes.paragraph()
para += argnodes
para += msgs
ret[0].insert(1, para)
return ret
seealso_directive.content = 1
seealso_directive.arguments = (0, 1, 1)
directives.register_directive('seealso', seealso_directive)
# ------ production list (for the reference) ---------------------------------------
token_re = re.compile('`([a-z_]+)`')
def token_xrefs(text, env):
retnodes = []
pos = 0
for m in token_re.finditer(text):
if m.start() > pos:
txt = text[pos:m.start()]
retnodes.append(nodes.Text(txt, txt))
refnode = addnodes.pending_xref(m.group(1))
refnode['reftype'] = 'token'
refnode['reftarget'] = m.group(1)
refnode['modname'] = env.currmodule
refnode['classname'] = env.currclass
refnode += nodes.literal(m.group(1), m.group(1), classes=['xref'])
retnodes.append(refnode)
pos = m.end()
if pos < len(text):
retnodes.append(nodes.Text(text[pos:], text[pos:]))
return retnodes
def productionlist_directive(name, arguments, options, content, lineno,
content_offset, block_text, state, state_machine):
env = state.document.settings.env
node = addnodes.productionlist()
messages = []
i = 0
for rule in arguments[0].split('\n'):
if i == 0 and ':' not in rule:
# production group
continue
i += 1
try:
name, tokens = rule.split(':', 1)
except ValueError:
break
subnode = addnodes.production()
subnode['tokenname'] = name.strip()
if subnode['tokenname']:
idname = 'grammar-token-%s' % subnode['tokenname']
if idname not in state.document.ids:
subnode['ids'].append(idname)
state.document.note_implicit_target(subnode, subnode)
env.note_reftarget('token', subnode['tokenname'], idname)
subnode.extend(token_xrefs(tokens, env))
node.append(subnode)
return [node] + messages
productionlist_directive.content = 0
productionlist_directive.arguments = (1, 0, 1)
directives.register_directive('productionlist', productionlist_directive)
# ------ glossary directive ---------------------------------------------------------
def glossary_directive(name, arguments, options, content, lineno,
content_offset, block_text, state, state_machine):
"""Glossary with cross-reference targets for :term: roles."""
env = state.document.settings.env
node = addnodes.glossary()
state.nested_parse(content, content_offset, node)
# the content should be definition lists
dls = [child for child in node if isinstance(child, nodes.definition_list)]
# now, extract definition terms to enable cross-reference creation
for dl in dls:
dl['classes'].append('glossary')
for li in dl.children:
if not li.children or not isinstance(li[0], nodes.term):
continue
termtext = li.children[0].astext()
new_id = 'term-' + nodes.make_id(termtext)
if new_id in env.gloss_entries:
new_id = 'term-' + str(len(env.gloss_entries))
env.gloss_entries.add(new_id)
li[0]['names'].append(new_id)
li[0]['ids'].append(new_id)
state.document.settings.env.note_reftarget('term', termtext.lower(),
new_id)
# add an index entry too
indexnode = addnodes.index()
indexnode['entries'] = [('single', termtext, new_id, termtext)]
li.insert(0, indexnode)
return [node]
glossary_directive.content = 1
glossary_directive.arguments = (0, 0, 0)
directives.register_directive('glossary', glossary_directive)
# ------ miscellaneous markup -------------------------------------------------------
def centered_directive(name, arguments, options, content, lineno,
content_offset, block_text, state, state_machine):
if not arguments:
return []
subnode = addnodes.centered()
inodes, messages = state.inline_text(arguments[0], lineno)
subnode.extend(inodes)
return [subnode] + messages
centered_directive.arguments = (1, 0, 1)
directives.register_directive('centered', centered_directive)
def acks_directive(name, arguments, options, content, lineno,
content_offset, block_text, state, state_machine):
node = addnodes.acks()
state.nested_parse(content, content_offset, node)
if len(node.children) != 1 or not isinstance(node.children[0], nodes.bullet_list):
return [state.document.reporter.warning('.. acks content is not a list',
line=lineno)]
return [node]
acks_directive.content = 1
acks_directive.arguments = (0, 0, 0)
directives.register_directive('acks', acks_directive)
def tabularcolumns_directive(name, arguments, options, content, lineno,
content_offset, block_text, state, state_machine):
# support giving explicit tabulary column definition to latex
node = addnodes.tabular_col_spec()
node['spec'] = arguments[0]
return [node]
tabularcolumns_directive.content = 0
tabularcolumns_directive.arguments = (1, 0, 1)
directives.register_directive('tabularcolumns', tabularcolumns_directive)
# register the standard rst class directive under a different name
try:
# docutils 0.4
from docutils.parsers.rst.directives.misc import class_directive
directives.register_directive('cssclass', class_directive)
except ImportError:
try:
# docutils 0.5
from docutils.parsers.rst.directives.misc import Class
directives.register_directive('cssclass', Class)
except ImportError:
# whatever :)
pass