/usr/share/pyshared/sphinx/writers/texinfo.py is in python-sphinx 1.1.3+dfsg-2ubuntu2.
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"""
sphinx.writers.texinfo
~~~~~~~~~~~~~~~~~~~~~~
Custom docutils writer for Texinfo.
:copyright: Copyright 2007-2011 by the Sphinx team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import re
import string
import textwrap
from os import path
from docutils import nodes, writers
from sphinx import addnodes, __version__
from sphinx.locale import versionlabels, _
from sphinx.util import ustrftime
from sphinx.writers.latex import collected_footnote
COPYING = """\
@quotation
%(project)s %(release)s, %(date)s
%(author)s
Copyright @copyright{} %(copyright)s
@end quotation
"""
TEMPLATE = """\
\\input texinfo @c -*-texinfo-*-
@c %%**start of header
@setfilename %(filename)s
@documentencoding UTF-8
@ifinfo
@*Generated by Sphinx """ + __version__ + """.@*
@end ifinfo
@settitle %(title)s
@defindex ge
@paragraphindent %(paragraphindent)s
@exampleindent %(exampleindent)s
@afourlatex
%(direntry)s
@c %%**end of header
@copying
%(copying)s
@end copying
@titlepage
@title %(title)s
@insertcopying
@end titlepage
@contents
@c %%** start of user preamble
%(preamble)s
@c %%** end of user preamble
@ifnottex
@node Top
@top %(title)s
@insertcopying
@end ifnottex
@c %%**start of body
%(body)s
@c %%**end of body
@bye
"""
def find_subsections(section):
"""Return a list of subsections for the given ``section``."""
result = []
for child in section.children:
if isinstance(child, nodes.section):
result.append(child)
continue
result.extend(find_subsections(child))
return result
class TexinfoWriter(writers.Writer):
"""Texinfo writer for generating Texinfo documents."""
supported = ('texinfo', 'texi')
settings_spec = (
'Texinfo Specific Options', None, (
("Name of the Info file", ['--texinfo-filename'], {'default': ''}),
('Dir entry', ['--texinfo-dir-entry'], {'default': ''}),
('Description', ['--texinfo-dir-description'], {'default': ''}),
('Category', ['--texinfo-dir-category'], {'default':
'Miscellaneous'})))
settings_defaults = {}
output = None
visitor_attributes = ('output', 'fragment')
def __init__(self, builder):
writers.Writer.__init__(self)
self.builder = builder
def translate(self):
self.visitor = visitor = TexinfoTranslator(self.document, self.builder)
self.document.walkabout(visitor)
visitor.finish()
for attr in self.visitor_attributes:
setattr(self, attr, getattr(visitor, attr))
class TexinfoTranslator(nodes.NodeVisitor):
ignore_missing_images = False
default_elements = {
'author': '',
'body': '',
'copying': '',
'date': '',
'direntry': '',
'exampleindent': 4,
'filename': '',
'paragraphindent': 2,
'preamble': '',
'project': '',
'release': '',
'title': '',
}
def __init__(self, document, builder):
nodes.NodeVisitor.__init__(self, document)
self.builder = builder
self.init_settings()
self.written_ids = set() # node names and anchors in output
self.referenced_ids = set() # node names and anchors that should
# be in output
self.indices = [] # (node name, content)
self.short_ids = {} # anchors --> short ids
self.node_names = {} # node name --> node's name to display
self.node_menus = {} # node name --> node's menu entries
self.rellinks = {} # node name --> (next, previous, up)
self.collect_indices()
self.collect_node_names()
self.collect_node_menus()
self.collect_rellinks()
self.body = []
self.context = []
self.previous_section = None
self.section_level = 0
self.seen_title = False
self.next_section_ids = set()
self.escape_newlines = 0
self.curfilestack = []
self.footnotestack = []
self.in_footnote = 0
self.handled_abbrs = set()
def finish(self):
if self.previous_section is None:
self.add_menu('Top')
for index in self.indices:
name, content = index
pointers = tuple([name] + self.rellinks[name])
self.body.append('\n@node %s,%s,%s,%s\n' % pointers)
self.body.append('@unnumbered %s\n\n%s\n' % (name, content))
while self.referenced_ids:
# handle xrefs with missing anchors
r = self.referenced_ids.pop()
if r not in self.written_ids:
self.body.append('@anchor{%s}@w{%s}\n' % (r, ' ' * 30))
self.fragment = ''.join(self.body).strip() + '\n'
self.elements['body'] = self.fragment
self.output = TEMPLATE % self.elements
## Helper routines
def init_settings(self):
settings = self.settings = self.document.settings
elements = self.elements = self.default_elements.copy()
elements.update({
# if empty, the title is set to the first section title
'title': settings.title,
'author': settings.author,
# if empty, use basename of input file
'filename': settings.texinfo_filename,
'release': self.escape(self.builder.config.release),
'project': self.escape(self.builder.config.project),
'copyright': self.escape(self.builder.config.copyright),
'date': self.escape(self.builder.config.today or
ustrftime(self.builder.config.today_fmt
or _('%B %d, %Y')))
})
# title
title = elements['title']
if not title:
title = self.document.next_node(nodes.title)
title = (title and title.astext()) or '<untitled>'
elements['title'] = self.escape_id(title) or '<untitled>'
# filename
if not elements['filename']:
elements['filename'] = self.document.get('source') or 'untitled'
if elements['filename'][-4:] in ('.txt', '.rst'):
elements['filename'] = elements['filename'][:-4]
elements['filename'] += '.info'
# direntry
if settings.texinfo_dir_entry:
entry = self.format_menu_entry(
self.escape_menu(settings.texinfo_dir_entry),
'(%s)' % elements['filename'],
self.escape_arg(settings.texinfo_dir_description))
elements['direntry'] = ('@dircategory %s\n'
'@direntry\n'
'%s'
'@end direntry\n') % (
self.escape_id(settings.texinfo_dir_category), entry)
elements['copying'] = COPYING % elements
# allow the user to override them all
elements.update(settings.texinfo_elements)
def collect_node_names(self):
"""Generates a unique id for each section.
Assigns the attribute ``node_name`` to each section."""
# must have a "Top" node
self.document['node_name'] = 'Top'
self.node_names['Top'] = 'Top'
self.written_ids.update(('Top', 'top'))
# each index is a node
for name, content in self.indices:
self.node_names[name] = name
self.written_ids.add(name)
# each section is also a node
for section in self.document.traverse(nodes.section):
title = section.next_node(nodes.Titular)
name = (title and title.astext()) or '<untitled>'
node_id = self.escape_id(name) or '<untitled>'
assert node_id and name
nth, suffix = 1, ''
while node_id + suffix in self.written_ids:
nth += 1
suffix = '<%s>' % nth
node_id += suffix
assert node_id not in self.node_names
assert node_id not in self.written_ids
section['node_name'] = node_id
self.node_names[node_id] = name
self.written_ids.add(node_id)
def collect_node_menus(self):
"""Collect the menu entries for each "node" section."""
node_menus = self.node_menus
for node in ([self.document] +
self.document.traverse(nodes.section)):
assert 'node_name' in node and node['node_name']
entries = [s['node_name'] for s in find_subsections(node)]
node_menus[node['node_name']] = entries
# try to find a suitable "Top" node
title = self.document.next_node(nodes.title)
top = (title and title.parent) or self.document
if not isinstance(top, (nodes.document, nodes.section)):
top = self.document
if top is not self.document:
entries = node_menus[top['node_name']]
entries += node_menus['Top'][1:]
node_menus['Top'] = entries
del node_menus[top['node_name']]
top['node_name'] = 'Top'
# handle the indices
for name, content in self.indices:
node_menus[name] = ()
node_menus['Top'].append(name)
def collect_rellinks(self):
"""Collect the relative links (next, previous, up) for each "node"."""
rellinks = self.rellinks
node_menus = self.node_menus
for id, entries in node_menus.items():
rellinks[id] = ['', '', '']
# up's
for id, entries in node_menus.items():
for e in entries:
rellinks[e][2] = id
# next's and prev's
for id, entries in node_menus.items():
for i, id in enumerate(entries):
# First child's prev is empty
if i != 0:
rellinks[id][1] = entries[i-1]
# Last child's next is empty
if i != len(entries) - 1:
rellinks[id][0] = entries[i+1]
# top's next is its first child
try:
first = node_menus['Top'][0]
except IndexError:
pass
else:
rellinks['Top'][0] = first
rellinks[first][1] = 'Top'
## Escaping
# Which characters to escape depends on the context. In some cases,
# namely menus and node names, it's not possible to escape certain
# characters.
def escape(self, s):
"""Return a string with Texinfo command characters escaped."""
s = s.replace('@', '@@')
s = s.replace('{', '@{')
s = s.replace('}', '@}')
# prevent `` and '' quote conversion
s = s.replace('``', "`@w{`}")
s = s.replace("''", "'@w{'}")
# prevent "--" from being converted to an "em dash"
# s = s.replace('-', '@w{-}')
return s
def escape_arg(self, s):
"""Return an escaped string suitable for use as an argument
to a Texinfo command."""
s = self.escape(s)
# commas are the argument delimeters
s = s.replace(',', '@comma{}')
# normalize white space
s = ' '.join(s.split()).strip()
return s
def escape_id(self, s):
"""Return an escaped string suitable for node names and anchors."""
bad_chars = ',:.()'
for bc in bad_chars:
s = s.replace(bc, ' ')
s = ' '.join(s.split()).strip()
return self.escape(s)
def escape_menu(self, s):
"""Return an escaped string suitable for menu entries."""
s = self.escape_arg(s)
s = s.replace(':', ';')
s = ' '.join(s.split()).strip()
return s
def ensure_eol(self):
"""Ensure the last line in body is terminated by new line."""
if self.body and self.body[-1][-1:] != '\n':
self.body.append('\n')
def format_menu_entry(self, name, node_name, desc):
if name == node_name:
s = '* %s:: ' % (name,)
else:
s = '* %s: %s. ' % (name, node_name)
offset = max((24, (len(name) + 4) % 78))
wdesc = '\n'.join(' ' * offset + l for l in
textwrap.wrap(desc, width=78-offset))
return s + wdesc.strip() + '\n'
def add_menu_entries(self, entries, reg=re.compile(r'\s+---?\s+')):
for entry in entries:
name = self.node_names[entry]
# special formatting for entries that are divided by an em-dash
parts = reg.split(name, 1)
if len(parts) == 2:
name, desc = parts
else:
desc = ''
name = self.escape_menu(name)
desc = self.escape(desc)
self.body.append(self.format_menu_entry(name, entry, desc))
def add_menu(self, node_name):
entries = self.node_menus[node_name]
if not entries:
return
self.body.append('\n@menu\n')
self.add_menu_entries(entries)
if not self.node_menus[entries[0]]:
self.body.append('\n@end menu\n')
return
def _add_detailed_menu(name):
entries = self.node_menus[name]
if not entries:
return
self.body.append('\n%s\n\n' % (self.escape(self.node_names[name],)))
self.add_menu_entries(entries)
for subentry in entries:
_add_detailed_menu(subentry)
if node_name == 'Top':
self.body.append('\n@detailmenu\n'
' --- The Detailed Node Listing ---\n')
for entry in entries:
_add_detailed_menu(entry)
if node_name == 'Top':
self.body.append('\n@end detailmenu')
self.body.append('\n@end menu\n\n')
def tex_image_length(self, width_str):
match = re.match('(\d*\.?\d*)\s*(\S*)', width_str)
if not match:
# fallback
return width_str
res = width_str
amount, unit = match.groups()[:2]
if not unit or unit == "px":
# pixels: let TeX alone
return ''
elif unit == "%":
# a4paper: textwidth=418.25368pt
res = "%d.0pt" % (float(amount) * 4.1825368)
return res
def collect_indices(self):
def generate(content, collapsed):
ret = ['\n@menu\n']
for letter, entries in content:
for entry in entries:
if not entry[3]:
continue
name = self.escape_menu(entry[0])
sid = self.get_short_id('%s:%s' % (entry[2], entry[3]))
desc = self.escape_arg(entry[6])
me = self.format_menu_entry(name, sid, desc)
ret.append(me)
ret.append('@end menu\n')
return ''.join(ret)
indices_config = self.builder.config.texinfo_domain_indices
if indices_config:
for domain in self.builder.env.domains.itervalues():
for indexcls in domain.indices:
indexname = '%s-%s' % (domain.name, indexcls.name)
if isinstance(indices_config, list):
if indexname not in indices_config:
continue
content, collapsed = indexcls(domain).generate(
self.builder.docnames)
if not content:
continue
node_name = self.escape_id(indexcls.localname)
self.indices.append((node_name,
generate(content, collapsed)))
self.indices.append((_('Index'), '\n@printindex ge\n'))
# this is copied from the latex writer
# TODO: move this to sphinx.util
def collect_footnotes(self, node):
fnotes = {}
def footnotes_under(n):
if isinstance(n, nodes.footnote):
yield n
else:
for c in n.children:
if isinstance(c, addnodes.start_of_file):
continue
for k in footnotes_under(c):
yield k
for fn in footnotes_under(node):
num = fn.children[0].astext().strip()
fnotes[num] = [collected_footnote(*fn.children), False]
return fnotes
## xref handling
def get_short_id(self, id):
"""Return a shorter 'id' associated with ``id``."""
# Shorter ids improve paragraph filling in places
# that the id is hidden by Emacs.
try:
sid = self.short_ids[id]
except KeyError:
sid = hex(len(self.short_ids))[2:]
self.short_ids[id] = sid
return sid
def add_anchor(self, id, node):
if id.startswith('index-'):
return
id = self.curfilestack[-1] + ':' + id
eid = self.escape_id(id)
sid = self.get_short_id(id)
for id in (eid, sid):
if id not in self.written_ids:
self.body.append('@anchor{%s}' % id)
self.written_ids.add(id)
def add_xref(self, id, name, node):
name = self.escape_menu(name)
sid = self.get_short_id(id)
self.body.append('@pxref{%s,,%s}' % (sid, name))
self.referenced_ids.add(sid)
self.referenced_ids.add(self.escape_id(id))
## Visiting
def visit_document(self, node):
self.footnotestack.append(self.collect_footnotes(node))
self.curfilestack.append(node.get('docname', ''))
if 'docname' in node:
self.add_anchor(':doc', node)
def depart_document(self, node):
self.footnotestack.pop()
self.curfilestack.pop()
def visit_Text(self, node):
s = self.escape(node.astext())
if self.escape_newlines:
s = s.replace('\n', ' ')
self.body.append(s)
def depart_Text(self, node):
pass
def visit_section(self, node):
self.next_section_ids.update(node.get('ids', []))
if not self.seen_title:
return
if self.previous_section:
self.add_menu(self.previous_section['node_name'])
else:
self.add_menu('Top')
node_name = node['node_name']
pointers = tuple([node_name] + self.rellinks[node_name])
self.body.append('\n@node %s,%s,%s,%s\n' % pointers)
for id in self.next_section_ids:
self.add_anchor(id, node)
self.next_section_ids.clear()
self.previous_section = node
self.section_level += 1
def depart_section(self, node):
self.section_level -= 1
headings = (
'@unnumbered',
'@chapter',
'@section',
'@subsection',
'@subsubsection',
)
rubrics = (
'@heading',
'@subheading',
'@subsubheading',
)
def visit_title(self, node):
if not self.seen_title:
self.seen_title = 1
raise nodes.SkipNode
parent = node.parent
if isinstance(parent, nodes.table):
return
if isinstance(parent, (nodes.Admonition, nodes.sidebar, nodes.topic)):
raise nodes.SkipNode
elif not isinstance(parent, nodes.section):
self.builder.warn(
'encountered title node not in section, topic, table, '
'admonition or sidebar', (self.curfilestack[-1], node.line))
self.visit_rubric(node)
else:
try:
heading = self.headings[self.section_level]
except IndexError:
heading = self.headings[-1]
self.body.append('\n%s ' % heading)
def depart_title(self, node):
self.body.append('\n\n')
def visit_rubric(self, node):
if len(node.children) == 1 and node.children[0].astext() in \
('Footnotes', _('Footnotes')):
raise nodes.SkipNode
try:
rubric = self.rubrics[self.section_level]
except IndexError:
rubric = self.rubrics[-1]
self.body.append('\n%s ' % rubric)
def depart_rubric(self, node):
self.body.append('\n\n')
def visit_subtitle(self, node):
self.body.append('\n\n@noindent\n')
def depart_subtitle(self, node):
self.body.append('\n\n')
## References
def visit_target(self, node):
# postpone the labels until after the sectioning command
parindex = node.parent.index(node)
try:
try:
next = node.parent[parindex+1]
except IndexError:
# last node in parent, look at next after parent
# (for section of equal level)
next = node.parent.parent[node.parent.parent.index(node.parent)]
if isinstance(next, nodes.section):
if node.get('refid'):
self.next_section_ids.add(node['refid'])
self.next_section_ids.update(node['ids'])
return
except IndexError:
pass
if 'refuri' in node:
return
if node.get('refid'):
self.add_anchor(node['refid'], node)
for id in node['ids']:
self.add_anchor(id, node)
def depart_target(self, node):
pass
def visit_reference(self, node):
# an xref's target is displayed in Info so we ignore a few
# cases for the sake of appearance
if isinstance(node.parent, (nodes.title, addnodes.desc_type,)):
return
if isinstance(node[0], nodes.image):
return
name = node.get('name', node.astext()).strip()
uri = node.get('refuri', '')
if not uri and node.get('refid'):
uri = '%' + self.curfilestack[-1] + '#' + node['refid']
if not uri:
return
if uri.startswith('mailto:'):
uri = self.escape_arg(uri[7:])
name = self.escape_arg(name)
if not name or name == uri:
self.body.append('@email{%s}' % uri)
else:
self.body.append('@email{%s,%s}' % (uri, name))
elif uri.startswith('#'):
# references to labels in the same document
id = self.curfilestack[-1] + ':' + uri[1:]
self.add_xref(id, name, node)
elif uri.startswith('%'):
# references to documents or labels inside documents
hashindex = uri.find('#')
if hashindex == -1:
# reference to the document
id = uri[1:] + '::doc'
else:
# reference to a label
id = uri[1:].replace('#', ':')
self.add_xref(id, name, node)
elif uri.startswith('info:'):
# references to an external Info file
uri = uri[5:].replace('_', ' ')
uri = self.escape_arg(uri)
id = 'Top'
if '#' in uri:
uri, id = uri.split('#', 1)
id = self.escape_id(id)
name = self.escape_menu(name)
if name == id:
self.body.append('@pxref{%s,,,%s}' % (id, uri))
else:
self.body.append('@pxref{%s,,%s,%s}' % (id, name, uri))
else:
uri = self.escape_arg(uri)
name = self.escape_arg(name)
show_urls = self.builder.config.texinfo_show_urls
if self.in_footnote:
show_urls = 'inline'
if not name or uri == name:
self.body.append('@indicateurl{%s}' % uri)
elif show_urls == 'inline':
self.body.append('@uref{%s,%s}' % (uri, name))
elif show_urls == 'no':
self.body.append('@uref{%s,,%s}' % (uri, name))
else:
self.body.append('%s@footnote{%s}' % (name, uri))
raise nodes.SkipNode
def depart_reference(self, node):
pass
def visit_title_reference(self, node):
text = node.astext()
self.body.append('@cite{%s}' % self.escape_arg(text))
raise nodes.SkipNode
## Blocks
def visit_paragraph(self, node):
if 'continued' in node or isinstance(node.parent, nodes.compound):
self.body.append('\n@noindent')
self.body.append('\n')
def depart_paragraph(self, node):
self.body.append('\n')
def visit_block_quote(self, node):
self.body.append('\n@quotation\n')
def depart_block_quote(self, node):
self.ensure_eol()
self.body.append('@end quotation\n')
def visit_literal_block(self, node):
self.body.append('\n@example\n')
def depart_literal_block(self, node):
self.body.append('\n@end example\n\n'
'@noindent\n')
visit_doctest_block = visit_literal_block
depart_doctest_block = depart_literal_block
def visit_line_block(self, node):
if not isinstance(node.parent, nodes.line_block):
self.body.append('\n\n')
self.body.append('@display\n')
def depart_line_block(self, node):
self.body.append('@end display\n')
if not isinstance(node.parent, nodes.line_block):
self.body.append('\n\n')
def visit_line(self, node):
self.escape_newlines += 1
def depart_line(self, node):
self.body.append('@w{ }\n')
self.escape_newlines -= 1
## Inline
def visit_strong(self, node):
self.body.append('@strong{')
def depart_strong(self, node):
self.body.append('}')
def visit_emphasis(self, node):
self.body.append('@emph{')
def depart_emphasis(self, node):
self.body.append('}')
def visit_literal(self, node):
self.body.append('@code{')
def depart_literal(self, node):
self.body.append('}')
def visit_superscript(self, node):
self.body.append('@w{^')
def depart_superscript(self, node):
self.body.append('}')
def visit_subscript(self, node):
self.body.append('@w{[')
def depart_subscript(self, node):
self.body.append(']}')
## Footnotes
def visit_footnote(self, node):
raise nodes.SkipNode
def visit_collected_footnote(self, node):
self.in_footnote += 1
self.body.append('@footnote{')
def depart_collected_footnote(self, node):
self.body.append('}')
self.in_footnote -= 1
def visit_footnote_reference(self, node):
num = node.astext().strip()
try:
footnode, used = self.footnotestack[-1][num]
except (KeyError, IndexError):
raise nodes.SkipNode
# footnotes are repeated for each reference
footnode.walkabout(self)
raise nodes.SkipChildren
def visit_citation(self, node):
for id in node.get('ids'):
self.add_anchor(id, node)
def depart_citation(self, node):
pass
def visit_citation_reference(self, node):
self.body.append('@w{[')
def depart_citation_reference(self, node):
self.body.append(']}')
## Lists
def visit_bullet_list(self, node):
bullet = node.get('bullet', '*')
self.body.append('\n\n@itemize %s\n' % bullet)
def depart_bullet_list(self, node):
self.ensure_eol()
self.body.append('@end itemize\n')
def visit_enumerated_list(self, node):
# doesn't support Roman numerals
enum = node.get('enumtype', 'arabic')
starters = {'arabic': '',
'loweralpha': 'a',
'upperalpha': 'A',}
start = node.get('start', starters.get(enum, ''))
self.body.append('\n\n@enumerate %s\n' % start)
def depart_enumerated_list(self, node):
self.ensure_eol()
self.body.append('@end enumerate\n')
def visit_list_item(self, node):
self.body.append('\n@item ')
def depart_list_item(self, node):
pass
## Option List
def visit_option_list(self, node):
self.body.append('\n\n@table @option\n')
def depart_option_list(self, node):
self.ensure_eol()
self.body.append('@end table\n')
def visit_option_list_item(self, node):
pass
def depart_option_list_item(self, node):
pass
def visit_option_group(self, node):
self.at_item_x = '@item'
def depart_option_group(self, node):
pass
def visit_option(self, node):
self.body.append('\n%s ' % self.at_item_x)
self.at_item_x = '@itemx'
def depart_option(self, node):
pass
def visit_option_string(self, node):
pass
def depart_option_string(self, node):
pass
def visit_option_argument(self, node):
self.body.append(node.get('delimiter', ' '))
def depart_option_argument(self, node):
pass
def visit_description(self, node):
self.body.append('\n')
def depart_description(self, node):
pass
## Definitions
def visit_definition_list(self, node):
self.body.append('\n\n@table @asis\n')
def depart_definition_list(self, node):
self.ensure_eol()
self.body.append('@end table\n')
def visit_definition_list_item(self, node):
self.at_item_x = '@item'
def depart_definition_list_item(self, node):
pass
def visit_term(self, node):
for id in node.get('ids'):
self.add_anchor(id, node)
# anchors and indexes need to go in front
for n in node[::]:
if isinstance(n, (addnodes.index, nodes.target)):
n.walkabout(self)
node.remove(n)
self.body.append('\n%s ' % self.at_item_x)
self.at_item_x = '@itemx'
def depart_term(self, node):
pass
def visit_termsep(self, node):
self.body.append('\n%s ' % self.at_item_x)
def depart_termsep(self, node):
pass
def visit_classifier(self, node):
self.body.append(' : ')
def depart_classifier(self, node):
pass
def visit_definition(self, node):
self.body.append('\n')
def depart_definition(self, node):
pass
## Tables
def visit_table(self, node):
self.entry_sep = '@item'
def depart_table(self, node):
self.body.append('\n@end multitable\n\n')
def visit_tabular_col_spec(self, node):
pass
def depart_tabular_col_spec(self, node):
pass
def visit_colspec(self, node):
self.colwidths.append(node['colwidth'])
if len(self.colwidths) != self.n_cols:
return
self.body.append('\n\n@multitable ')
for i, n in enumerate(self.colwidths):
self.body.append('{%s} ' %('x' * (n+2)))
def depart_colspec(self, node):
pass
def visit_tgroup(self, node):
self.colwidths = []
self.n_cols = node['cols']
def depart_tgroup(self, node):
pass
def visit_thead(self, node):
self.entry_sep = '@headitem'
def depart_thead(self, node):
pass
def visit_tbody(self, node):
pass
def depart_tbody(self, node):
pass
def visit_row(self, node):
pass
def depart_row(self, node):
self.entry_sep = '@item'
def visit_entry(self, node):
self.body.append('\n%s\n' % self.entry_sep)
self.entry_sep = '@tab'
def depart_entry(self, node):
for i in xrange(node.get('morecols', 0)):
self.body.append('\n@tab\n')
## Field Lists
def visit_field_list(self, node):
self.body.append('\n\n@itemize @w\n')
def depart_field_list(self, node):
self.ensure_eol()
self.body.append('@end itemize\n')
def visit_field(self, node):
if not isinstance(node.parent, nodes.field_list):
self.visit_field_list(node)
def depart_field(self, node):
if not isinstance(node.parent, nodes.field_list):
self.depart_field_list(node)
def visit_field_name(self, node):
self.body.append('\n@item ')
def depart_field_name(self, node):
self.body.append(': ')
def visit_field_body(self, node):
pass
def depart_field_body(self, node):
pass
## Admonitions
def visit_admonition(self, node, name=''):
if not name:
name = self.escape(node[0].astext())
self.body.append('\n@cartouche\n'
'@quotation %s ' % name)
def depart_admonition(self, node):
self.ensure_eol()
self.body.append('@end quotation\n'
'@end cartouche\n')
def _make_visit_admonition(typ):
def visit(self, node):
self.visit_admonition(node, self.escape(_(typ)))
return visit
visit_attention = _make_visit_admonition('Attention')
depart_attention = depart_admonition
visit_caution = _make_visit_admonition('Caution')
depart_caution = depart_admonition
visit_danger = _make_visit_admonition('Danger')
depart_danger = depart_admonition
visit_error = _make_visit_admonition('Error')
depart_error = depart_admonition
visit_important = _make_visit_admonition('Important')
depart_important = depart_admonition
visit_note = _make_visit_admonition('Note')
depart_note = depart_admonition
visit_tip = _make_visit_admonition('Tip')
depart_tip = depart_admonition
visit_hint = _make_visit_admonition('Hint')
depart_hint = depart_admonition
visit_warning = _make_visit_admonition('Warning')
depart_warning = depart_admonition
## Misc
def visit_docinfo(self, node):
raise nodes.SkipNode
def visit_generated(self, node):
raise nodes.SkipNode
def visit_header(self, node):
raise nodes.SkipNode
def visit_footer(self, node):
raise nodes.SkipNode
def visit_container(self, node):
pass
def depart_container(self, node):
pass
def visit_decoration(self, node):
pass
def depart_decoration(self, node):
pass
def visit_topic(self, node):
# ignore TOC's since we have to have a "menu" anyway
if 'contents' in node.get('classes', []):
raise nodes.SkipNode
title = node[0]
self.visit_rubric(title)
self.body.append('%s\n' % self.escape(title.astext()))
def depart_topic(self, node):
pass
def visit_transition(self, node):
self.body.append('\n\n@exdent @w{ %s}\n\n' % ('* ' * 30))
def depart_transition(self, node):
pass
def visit_attribution(self, node):
self.body.append('\n\n@center --- ')
def depart_attribution(self, node):
self.body.append('\n\n')
def visit_raw(self, node):
format = node.get('format', '').split()
if 'texinfo' in format or 'texi' in format:
self.body.append(node.astext())
raise nodes.SkipNode
def visit_figure(self, node):
self.body.append('\n\n@float Figure\n')
def depart_figure(self, node):
self.body.append('\n@end float\n\n')
def visit_caption(self, node):
if not isinstance(node.parent, nodes.figure):
self.builder.warn('caption not inside a figure.',
(self.curfilestack[-1], node.line))
return
self.body.append('\n@caption{')
def depart_caption(self, node):
if isinstance(node.parent, nodes.figure):
self.body.append('}\n')
def visit_image(self, node):
if node['uri'] in self.builder.images:
uri = self.builder.images[node['uri']]
else:
# missing image!
if self.ignore_missing_images:
return
uri = node['uri']
if uri.find('://') != -1:
# ignore remote images
return
name, ext = path.splitext(uri)
attrs = node.attributes
# width and height ignored in non-tex output
width = self.tex_image_length(attrs.get('width', ''))
height = self.tex_image_length(attrs.get('height', ''))
alt = self.escape_arg(attrs.get('alt', ''))
self.body.append('\n@image{%s,%s,%s,%s,%s}\n' %
(name, width, height, alt, ext[1:]))
def depart_image(self, node):
pass
def visit_compound(self, node):
pass
def depart_compound(self, node):
pass
def visit_sidebar(self, node):
self.visit_topic(node)
def depart_sidebar(self, node):
self.depart_topic(node)
def visit_label(self, node):
self.body.append('@w{(')
def depart_label(self, node):
self.body.append(')} ')
def visit_legend(self, node):
pass
def depart_legend(self, node):
pass
def visit_substitution_reference(self, node):
pass
def depart_substitution_reference(self, node):
pass
def visit_substitution_definition(self, node):
raise nodes.SkipNode
def visit_system_message(self, node):
self.body.append('\n@w{----------- System Message: %s/%s -----------} '
'(%s, line %s)\n' % (
node.get('type', '?'),
node.get('level', '?'),
self.escape(node.get('source', '?')),
node.get('line', '?')))
def depart_system_message(self, node):
pass
def visit_comment(self, node):
self.body.append('\n')
for line in node.astext().splitlines():
self.body.append('@c %s\n' % line)
raise nodes.SkipNode
def visit_problematic(self, node):
self.body.append('>')
def depart_problematic(self, node):
self.body.append('<')
def unimplemented_visit(self, node):
self.builder.warn("unimplemented node type: %r" % node,
(self.curfilestack[-1], node.line))
def unknown_visit(self, node):
self.builder.warn("unknown node type: %r" % node,
(self.curfilestack[-1], node.line))
def unknown_departure(self, node):
pass
### Sphinx specific
def visit_productionlist(self, node):
self.visit_literal_block(None)
names = []
for production in node:
names.append(production['tokenname'])
maxlen = max(len(name) for name in names)
for production in node:
if production['tokenname']:
for id in production.get('ids'):
self.add_anchor(id, production)
s = production['tokenname'].ljust(maxlen) + ' ::='
lastname = production['tokenname']
else:
s = '%s ' % (' '*maxlen)
self.body.append(self.escape(s))
self.body.append(self.escape(production.astext() + '\n'))
self.depart_literal_block(None)
raise nodes.SkipNode
def visit_production(self, node):
pass
def depart_production(self, node):
pass
def visit_literal_emphasis(self, node):
self.body.append('@code{')
def depart_literal_emphasis(self, node):
self.body.append('}')
def visit_index(self, node):
# terminate the line but don't prevent paragraph breaks
if isinstance(node.parent, nodes.paragraph):
self.ensure_eol()
else:
self.body.append('\n')
for entry in node['entries']:
typ, text, tid, text2 = entry
text = self.escape_menu(text)
self.body.append('@geindex %s\n' % text)
def visit_refcount(self, node):
self.body.append('\n')
def depart_refcount(self, node):
self.body.append('\n')
def visit_versionmodified(self, node):
intro = versionlabels[node['type']] % node['version']
if node.children:
intro += ': '
else:
intro += '.'
self.body.append('\n%s' % self.escape(intro))
def depart_versionmodified(self, node):
self.body.append('\n')
def visit_start_of_file(self, node):
# add a document target
self.next_section_ids.add(':doc')
self.curfilestack.append(node['docname'])
self.footnotestack.append(self.collect_footnotes(node))
def depart_start_of_file(self, node):
self.curfilestack.pop()
self.footnotestack.pop()
def visit_centered(self, node):
txt = self.escape_arg(node.astext())
self.body.append('\n\n@center %s\n\n' % txt)
raise nodes.SkipNode
def visit_seealso(self, node):
self.visit_topic(node)
def depart_seealso(self, node):
self.depart_topic(node)
def visit_meta(self, node):
raise nodes.SkipNode
def visit_glossary(self, node):
pass
def depart_glossary(self, node):
pass
def visit_acks(self, node):
self.body.append('\n\n')
self.body.append(', '.join(n.astext()
for n in node.children[0].children) + '.')
self.body.append('\n\n')
raise nodes.SkipNode
def visit_highlightlang(self, node):
pass
def depart_highlightlang(self, node):
pass
## Desc
def visit_desc(self, node):
self.at_deffnx = '@deffn'
def depart_desc(self, node):
self.ensure_eol()
self.body.append('@end deffn\n')
def visit_desc_signature(self, node):
objtype = node.parent['objtype']
if objtype != 'describe':
for id in node.get('ids'):
self.add_anchor(id, node)
# use the full name of the objtype for the category
try:
domain = self.builder.env.domains[node.parent['domain']]
primary = self.builder.config.primary_domain
name = domain.get_type_name(domain.object_types[objtype],
primary == domain.name)
except KeyError:
name = objtype
category = self.escape_arg(string.capwords(name))
self.body.append('\n%s {%s} ' % (self.at_deffnx, category))
self.at_deffnx = '@deffnx'
def depart_desc_signature(self, node):
self.body.append("\n")
def visit_desc_name(self, node):
pass
def depart_desc_name(self, node):
pass
def visit_desc_addname(self, node):
pass
def depart_desc_addname(self, node):
pass
def visit_desc_type(self, node):
pass
def depart_desc_type(self, node):
pass
def visit_desc_returns(self, node):
self.body.append(' -> ')
def depart_desc_returns(self, node):
pass
def visit_desc_parameterlist(self, node):
self.body.append(' (')
self.first_param = 1
def depart_desc_parameterlist(self, node):
self.body.append(')')
def visit_desc_parameter(self, node):
if not self.first_param:
self.body.append(', ')
else:
self.first_param = 0
text = self.escape(node.astext())
# replace no-break spaces with normal ones
text = text.replace(u' ', '@w{ }')
self.body.append(text)
raise nodes.SkipNode
def visit_desc_optional(self, node):
self.body.append('[')
def depart_desc_optional(self, node):
self.body.append(']')
def visit_desc_annotation(self, node):
raise nodes.SkipNode
def visit_desc_content(self, node):
pass
def depart_desc_content(self, node):
pass
def visit_inline(self, node):
pass
def depart_inline(self, node):
pass
def visit_abbreviation(self, node):
abbr = node.astext()
self.body.append('@abbr{')
if node.hasattr('explanation') and abbr not in self.handled_abbrs:
self.context.append(',%s}' % self.escape_arg(node['explanation']))
self.handled_abbrs.add(abbr)
else:
self.context.append('}')
def depart_abbreviation(self, node):
self.body.append(self.context.pop())
def visit_download_reference(self, node):
pass
def depart_download_reference(self, node):
pass
def visit_hlist(self, node):
self.visit_bullet_list(node)
def depart_hlist(self, node):
self.depart_bullet_list(node)
def visit_hlistcol(self, node):
pass
def depart_hlistcol(self, node):
pass
def visit_pending_xref(self, node):
pass
def depart_pending_xref(self, node):
pass
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