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"""
sphinx.builders.htmlhelp
~~~~~~~~~~~~~~~~~~~~~~~~
Build HTML help support files.
Parts adapted from Python's Doc/tools/prechm.py.
:copyright: Copyright 2007-2019 by the Sphinx team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import html
import os
from os import path
from docutils import nodes
from sphinx import addnodes
from sphinx.builders.html import StandaloneHTMLBuilder
from sphinx.environment.adapters.indexentries import IndexEntries
from sphinx.locale import __
from sphinx.util import logging
from sphinx.util.nodes import NodeMatcher
from sphinx.util.osutil import make_filename_from_project
if False:
# For type annotation
from typing import Any, Dict, IO, List, Match, Tuple # NOQA
from sphinx.application import Sphinx # NOQA
from sphinx.config import Config # NOQA
logger = logging.getLogger(__name__)
# Project file (*.hhp) template. 'outname' is the file basename (like
# the pythlp in pythlp.hhp); 'version' is the doc version number (like
# the 2.2 in Python 2.2).
# The magical numbers in the long line under [WINDOWS] set most of the
# user-visible features (visible buttons, tabs, etc).
# About 0x10384e: This defines the buttons in the help viewer. The
# following defns are taken from htmlhelp.h. Not all possibilities
# actually work, and not all those that work are available from the Help
# Workshop GUI. In particular, the Zoom/Font button works and is not
# available from the GUI. The ones we're using are marked with 'x':
#
# 0x000002 Hide/Show x
# 0x000004 Back x
# 0x000008 Forward x
# 0x000010 Stop
# 0x000020 Refresh
# 0x000040 Home x
# 0x000080 Forward
# 0x000100 Back
# 0x000200 Notes
# 0x000400 Contents
# 0x000800 Locate x
# 0x001000 Options x
# 0x002000 Print x
# 0x004000 Index
# 0x008000 Search
# 0x010000 History
# 0x020000 Favorites
# 0x040000 Jump 1
# 0x080000 Jump 2
# 0x100000 Zoom/Font x
# 0x200000 TOC Next
# 0x400000 TOC Prev
project_template = '''\
[OPTIONS]
Binary TOC=No
Binary Index=No
Compiled file=%(outname)s.chm
Contents file=%(outname)s.hhc
Default Window=%(outname)s
Default topic=%(master_doc)s
Display compile progress=No
Full text search stop list file=%(outname)s.stp
Full-text search=Yes
Index file=%(outname)s.hhk
Language=%(lcid)#x
Title=%(title)s
[WINDOWS]
%(outname)s="%(title)s","%(outname)s.hhc","%(outname)s.hhk",\
"%(master_doc)s","%(master_doc)s",,,,,0x63520,220,0x10384e,[0,0,1024,768],,,,,,,0
[FILES]
'''
contents_header = '''\
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
<HTML>
<HEAD>
<meta name="GENERATOR" content="Microsoft® HTML Help Workshop 4.1">
<!-- Sitemap 1.0 -->
</HEAD><BODY>
<OBJECT type="text/site properties">
<param name="Window Styles" value="0x801227">
<param name="ImageType" value="Folder">
</OBJECT>
<UL>
'''
contents_footer = '''\
</UL></BODY></HTML>
'''
object_sitemap = '''\
<OBJECT type="text/sitemap">
<param name="Name" value="%s">
<param name="Local" value="%s">
</OBJECT>
'''
# List of words the full text search facility shouldn't index. This
# becomes file outname.stp. Note that this list must be pretty small!
# Different versions of the MS docs claim the file has a maximum size of
# 256 or 512 bytes (including \r\n at the end of each line).
# Note that "and", "or", "not" and "near" are operators in the search
# language, so no point indexing them even if we wanted to.
stopwords = """
a and are as at
be but by
for
if in into is it
near no not
of on or
such
that the their then there these they this to
was will with
""".split()
# The following list includes only languages supported by Sphinx. See
# https://docs.microsoft.com/en-us/previous-versions/windows/embedded/ms930130(v=msdn.10)
# for more.
chm_locales = {
# lang: LCID, encoding
'ca': (0x403, 'cp1252'),
'cs': (0x405, 'cp1250'),
'da': (0x406, 'cp1252'),
'de': (0x407, 'cp1252'),
'en': (0x409, 'cp1252'),
'es': (0x40a, 'cp1252'),
'et': (0x425, 'cp1257'),
'fa': (0x429, 'cp1256'),
'fi': (0x40b, 'cp1252'),
'fr': (0x40c, 'cp1252'),
'hr': (0x41a, 'cp1250'),
'hu': (0x40e, 'cp1250'),
'it': (0x410, 'cp1252'),
'ja': (0x411, 'cp932'),
'ko': (0x412, 'cp949'),
'lt': (0x427, 'cp1257'),
'lv': (0x426, 'cp1257'),
'nl': (0x413, 'cp1252'),
'no_NB': (0x414, 'cp1252'),
'pl': (0x415, 'cp1250'),
'pt_BR': (0x416, 'cp1252'),
'ru': (0x419, 'cp1251'),
'sk': (0x41b, 'cp1250'),
'sl': (0x424, 'cp1250'),
'sv': (0x41d, 'cp1252'),
'tr': (0x41f, 'cp1254'),
'uk_UA': (0x422, 'cp1251'),
'zh_CN': (0x804, 'cp936'),
'zh_TW': (0x404, 'cp950'),
}
def chm_htmlescape(s, quote=True):
# type: (str, bool) -> str
"""
chm_htmlescape() is a wrapper of html.escape().
.hhc/.hhk files don't recognize hex escaping, we need convert
hex escaping to decimal escaping. for example: ``'`` -> ``'``
html.escape() may generates a hex escaping ``'`` for single
quote ``'``, this wrapper fixes this.
"""
s = html.escape(s, quote)
s = s.replace(''', ''') # re-escape as decimal
return s
class HTMLHelpBuilder(StandaloneHTMLBuilder):
"""
Builder that also outputs Windows HTML help project, contents and
index files. Adapted from the original Doc/tools/prechm.py.
"""
name = 'htmlhelp'
epilog = __('You can now run HTML Help Workshop with the .htp file in '
'%(outdir)s.')
# don't copy the reST source
copysource = False
supported_image_types = ['image/png', 'image/gif', 'image/jpeg']
# don't add links
add_permalinks = False
# don't add sidebar etc.
embedded = True
# don't generate search index or include search page
search = False
lcid = 0x409
encoding = 'cp1252'
def init(self):
# type: () -> None
# the output files for HTML help is .html by default
self.out_suffix = '.html'
self.link_suffix = '.html'
super().init()
# determine the correct locale setting
locale = chm_locales.get(self.config.language)
if locale is not None:
self.lcid, self.encoding = locale
def open_file(self, outdir, basename, mode='w'):
# type: (str, str, str) -> IO
# open a file with the correct encoding for the selected language
return open(path.join(outdir, basename), mode, encoding=self.encoding,
errors='xmlcharrefreplace')
def update_page_context(self, pagename, templatename, ctx, event_arg):
# type: (str, str, Dict, str) -> None
ctx['encoding'] = self.encoding
def handle_finish(self):
# type: () -> None
self.build_hhx(self.outdir, self.config.htmlhelp_basename)
def write_doc(self, docname, doctree):
# type: (str, nodes.document) -> None
for node in doctree.traverse(nodes.reference):
# add ``target=_blank`` attributes to external links
if node.get('internal') is None and 'refuri' in node:
node['target'] = '_blank'
super().write_doc(docname, doctree)
def build_hhx(self, outdir, outname):
# type: (str, str) -> None
logger.info(__('dumping stopword list...'))
with self.open_file(outdir, outname + '.stp') as f:
for word in sorted(stopwords):
print(word, file=f)
logger.info(__('writing project file...'))
with self.open_file(outdir, outname + '.hhp') as f:
f.write(project_template % {
'outname': outname,
'title': self.config.html_title,
'version': self.config.version,
'project': self.config.project,
'lcid': self.lcid,
'master_doc': self.config.master_doc + self.out_suffix
})
if not outdir.endswith(os.sep):
outdir += os.sep
olen = len(outdir)
for root, dirs, files in os.walk(outdir):
dirs.sort()
files.sort()
staticdir = root.startswith(path.join(outdir, '_static'))
for fn in sorted(files):
if (staticdir and not fn.endswith('.js')) or \
fn.endswith('.html'):
print(path.join(root, fn)[olen:].replace(os.sep, '\\'),
file=f)
logger.info(__('writing TOC file...'))
with self.open_file(outdir, outname + '.hhc') as f:
f.write(contents_header)
# special books
f.write('<LI> ' + object_sitemap % (self.config.html_short_title,
self.config.master_doc + self.out_suffix))
for indexname, indexcls, content, collapse in self.domain_indices:
f.write('<LI> ' + object_sitemap % (indexcls.localname,
'%s.html' % indexname))
# the TOC
tocdoc = self.env.get_and_resolve_doctree(
self.config.master_doc, self, prune_toctrees=False)
def write_toc(node, ullevel=0):
# type: (nodes.Node, int) -> None
if isinstance(node, nodes.list_item):
f.write('<LI> ')
for subnode in node:
write_toc(subnode, ullevel)
elif isinstance(node, nodes.reference):
link = node['refuri']
title = chm_htmlescape(node.astext(), True)
f.write(object_sitemap % (title, link))
elif isinstance(node, nodes.bullet_list):
if ullevel != 0:
f.write('<UL>\n')
for subnode in node:
write_toc(subnode, ullevel + 1)
if ullevel != 0:
f.write('</UL>\n')
elif isinstance(node, addnodes.compact_paragraph):
for subnode in node:
write_toc(subnode, ullevel)
matcher = NodeMatcher(addnodes.compact_paragraph, toctree=True)
for node in tocdoc.traverse(matcher): # type: addnodes.compact_paragraph
write_toc(node)
f.write(contents_footer)
logger.info(__('writing index file...'))
index = IndexEntries(self.env).create_index(self)
with self.open_file(outdir, outname + '.hhk') as f:
f.write('<UL>\n')
def write_index(title, refs, subitems):
# type: (str, List[Tuple[str, str]], List[Tuple[str, List[Tuple[str, str]]]]) -> None # NOQA
def write_param(name, value):
# type: (str, str) -> None
item = ' <param name="%s" value="%s">\n' % (name, value)
f.write(item)
title = chm_htmlescape(title, True)
f.write('<LI> <OBJECT type="text/sitemap">\n')
write_param('Keyword', title)
if len(refs) == 0:
write_param('See Also', title)
elif len(refs) == 1:
write_param('Local', refs[0][1])
else:
for i, ref in enumerate(refs):
# XXX: better title?
write_param('Name', '[%d] %s' % (i, ref[1]))
write_param('Local', ref[1])
f.write('</OBJECT>\n')
if subitems:
f.write('<UL> ')
for subitem in subitems:
write_index(subitem[0], subitem[1], [])
f.write('</UL>')
for (key, group) in index:
for title, (refs, subitems, key_) in group:
write_index(title, refs, subitems)
f.write('</UL>\n')
def default_htmlhelp_basename(config):
# type: (Config) -> str
"""Better default htmlhelp_basename setting."""
return make_filename_from_project(config.project) + 'doc'
def setup(app):
# type: (Sphinx) -> Dict[str, Any]
app.setup_extension('sphinx.builders.html')
app.add_builder(HTMLHelpBuilder)
app.add_config_value('htmlhelp_basename', default_htmlhelp_basename, None)
app.add_config_value('htmlhelp_file_suffix', None, 'html', [str])
app.add_config_value('htmlhelp_link_suffix', None, 'html', [str])
return {
'version': 'builtin',
'parallel_read_safe': True,
'parallel_write_safe': True,
}
|
