mirror of
https://github.com/reactos/CMake.git
synced 2024-12-04 09:54:15 +00:00
971384c287
Sphinx 1.4 introduced a breaking change to `indexnode` by changing the length of a tuple. Teach our extension to produce a tuple of the proper length for the version of Sphinx in use. This gets rid of the "4 column based index found" warning.
389 lines
15 KiB
Python
389 lines
15 KiB
Python
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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import os
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import re
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# Monkey patch for pygments reporting an error when generator expressions are
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# used.
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# https://bitbucket.org/birkenfeld/pygments-main/issue/942/cmake-generator-expressions-not-handled
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from pygments.lexers import CMakeLexer
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from pygments.token import Name, Operator
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from pygments.lexer import bygroups
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CMakeLexer.tokens["args"].append(('(\\$<)(.+?)(>)',
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bygroups(Operator, Name.Variable, Operator)))
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# Monkey patch for sphinx generating invalid content for qcollectiongenerator
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# https://bitbucket.org/birkenfeld/sphinx/issue/1435/qthelp-builder-should-htmlescape-keywords
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from sphinx.util.pycompat import htmlescape
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from sphinx.builders.qthelp import QtHelpBuilder
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old_build_keywords = QtHelpBuilder.build_keywords
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def new_build_keywords(self, title, refs, subitems):
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old_items = old_build_keywords(self, title, refs, subitems)
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new_items = []
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for item in old_items:
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before, rest = item.split("ref=\"", 1)
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ref, after = rest.split("\"")
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if ("<" in ref and ">" in ref):
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new_items.append(before + "ref=\"" + htmlescape(ref) + "\"" + after)
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else:
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new_items.append(item)
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return new_items
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QtHelpBuilder.build_keywords = new_build_keywords
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from docutils.parsers.rst import Directive, directives
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from docutils.transforms import Transform
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try:
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from docutils.utils.error_reporting import SafeString, ErrorString
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except ImportError:
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# error_reporting was not in utils before version 0.11:
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from docutils.error_reporting import SafeString, ErrorString
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from docutils import io, nodes
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from sphinx.directives import ObjectDescription
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from sphinx.domains import Domain, ObjType
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from sphinx.roles import XRefRole
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from sphinx.util.nodes import make_refnode
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from sphinx import addnodes, version_info
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class CMakeModule(Directive):
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required_arguments = 1
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optional_arguments = 0
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final_argument_whitespace = True
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option_spec = {'encoding': directives.encoding}
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def __init__(self, *args, **keys):
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self.re_start = re.compile(r'^#\[(?P<eq>=*)\[\.rst:$')
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Directive.__init__(self, *args, **keys)
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def run(self):
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settings = self.state.document.settings
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if not settings.file_insertion_enabled:
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raise self.warning('"%s" directive disabled.' % self.name)
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env = self.state.document.settings.env
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rel_path, path = env.relfn2path(self.arguments[0])
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path = os.path.normpath(path)
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encoding = self.options.get('encoding', settings.input_encoding)
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e_handler = settings.input_encoding_error_handler
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try:
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settings.record_dependencies.add(path)
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f = io.FileInput(source_path=path, encoding=encoding,
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error_handler=e_handler)
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except UnicodeEncodeError as error:
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raise self.severe('Problems with "%s" directive path:\n'
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'Cannot encode input file path "%s" '
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'(wrong locale?).' %
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(self.name, SafeString(path)))
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except IOError as error:
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raise self.severe('Problems with "%s" directive path:\n%s.' %
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(self.name, ErrorString(error)))
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raw_lines = f.read().splitlines()
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f.close()
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rst = None
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lines = []
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for line in raw_lines:
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if rst is not None and rst != '#':
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# Bracket mode: check for end bracket
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pos = line.find(rst)
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if pos >= 0:
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if line[0] == '#':
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line = ''
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else:
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line = line[0:pos]
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rst = None
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else:
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# Line mode: check for .rst start (bracket or line)
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m = self.re_start.match(line)
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if m:
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rst = ']%s]' % m.group('eq')
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line = ''
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elif line == '#.rst:':
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rst = '#'
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line = ''
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elif rst == '#':
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if line == '#' or line[:2] == '# ':
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line = line[2:]
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else:
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rst = None
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line = ''
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elif rst is None:
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line = ''
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lines.append(line)
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if rst is not None and rst != '#':
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raise self.warning('"%s" found unclosed bracket "#[%s[.rst:" in %s' %
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(self.name, rst[1:-1], path))
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self.state_machine.insert_input(lines, path)
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return []
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class _cmake_index_entry:
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def __init__(self, desc):
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self.desc = desc
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def __call__(self, title, targetid, main = 'main'):
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# See https://github.com/sphinx-doc/sphinx/issues/2673
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if version_info < (1, 4):
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return ('pair', u'%s ; %s' % (self.desc, title), targetid, main)
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else:
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return ('pair', u'%s ; %s' % (self.desc, title), targetid, main, None)
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_cmake_index_objs = {
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'command': _cmake_index_entry('command'),
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'generator': _cmake_index_entry('generator'),
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'manual': _cmake_index_entry('manual'),
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'module': _cmake_index_entry('module'),
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'policy': _cmake_index_entry('policy'),
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'prop_cache': _cmake_index_entry('cache property'),
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'prop_dir': _cmake_index_entry('directory property'),
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'prop_gbl': _cmake_index_entry('global property'),
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'prop_inst': _cmake_index_entry('installed file property'),
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'prop_sf': _cmake_index_entry('source file property'),
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'prop_test': _cmake_index_entry('test property'),
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'prop_tgt': _cmake_index_entry('target property'),
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'variable': _cmake_index_entry('variable'),
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}
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def _cmake_object_inventory(env, document, line, objtype, targetid):
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inv = env.domaindata['cmake']['objects']
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if targetid in inv:
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document.reporter.warning(
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'CMake object "%s" also described in "%s".' %
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(targetid, env.doc2path(inv[targetid][0])), line=line)
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inv[targetid] = (env.docname, objtype)
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class CMakeTransform(Transform):
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# Run this transform early since we insert nodes we want
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# treated as if they were written in the documents.
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default_priority = 210
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def __init__(self, document, startnode):
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Transform.__init__(self, document, startnode)
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self.titles = {}
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def parse_title(self, docname):
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"""Parse a document title as the first line starting in [A-Za-z0-9<]
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or fall back to the document basename if no such line exists.
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The cmake --help-*-list commands also depend on this convention.
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Return the title or False if the document file does not exist.
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"""
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env = self.document.settings.env
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title = self.titles.get(docname)
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if title is None:
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fname = os.path.join(env.srcdir, docname+'.rst')
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try:
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f = open(fname, 'r')
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except IOError:
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title = False
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else:
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for line in f:
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if len(line) > 0 and (line[0].isalnum() or line[0] == '<'):
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title = line.rstrip()
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break
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f.close()
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if title is None:
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title = os.path.basename(docname)
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self.titles[docname] = title
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return title
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def apply(self):
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env = self.document.settings.env
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# Treat some documents as cmake domain objects.
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objtype, sep, tail = env.docname.rpartition('/')
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make_index_entry = _cmake_index_objs.get(objtype)
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if make_index_entry:
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title = self.parse_title(env.docname)
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# Insert the object link target.
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if objtype == 'command':
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targetname = title.lower()
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else:
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targetname = title
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targetid = '%s:%s' % (objtype, targetname)
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targetnode = nodes.target('', '', ids=[targetid])
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self.document.note_explicit_target(targetnode)
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self.document.insert(0, targetnode)
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# Insert the object index entry.
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indexnode = addnodes.index()
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indexnode['entries'] = [make_index_entry(title, targetid)]
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self.document.insert(0, indexnode)
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# Add to cmake domain object inventory
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_cmake_object_inventory(env, self.document, 1, objtype, targetid)
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class CMakeObject(ObjectDescription):
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def handle_signature(self, sig, signode):
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# called from sphinx.directives.ObjectDescription.run()
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signode += addnodes.desc_name(sig, sig)
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return sig
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def add_target_and_index(self, name, sig, signode):
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if self.objtype == 'command':
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targetname = name.lower()
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else:
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targetname = name
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targetid = '%s:%s' % (self.objtype, targetname)
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if targetid not in self.state.document.ids:
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signode['names'].append(targetid)
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signode['ids'].append(targetid)
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signode['first'] = (not self.names)
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self.state.document.note_explicit_target(signode)
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_cmake_object_inventory(self.env, self.state.document,
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self.lineno, self.objtype, targetid)
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make_index_entry = _cmake_index_objs.get(self.objtype)
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if make_index_entry:
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self.indexnode['entries'].append(make_index_entry(name, targetid))
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class CMakeXRefRole(XRefRole):
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# See sphinx.util.nodes.explicit_title_re; \x00 escapes '<'.
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_re = re.compile(r'^(.+?)(\s*)(?<!\x00)<(.*?)>$', re.DOTALL)
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_re_sub = re.compile(r'^([^()\s]+)\s*\(([^()]*)\)$', re.DOTALL)
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def __call__(self, typ, rawtext, text, *args, **keys):
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# Translate CMake command cross-references of the form:
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# `command_name(SUB_COMMAND)`
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# to have an explicit target:
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# `command_name(SUB_COMMAND) <command_name>`
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if typ == 'cmake:command':
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m = CMakeXRefRole._re_sub.match(text)
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if m:
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text = '%s <%s>' % (text, m.group(1))
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# CMake cross-reference targets frequently contain '<' so escape
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# any explicit `<target>` with '<' not preceded by whitespace.
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while True:
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m = CMakeXRefRole._re.match(text)
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if m and len(m.group(2)) == 0:
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text = '%s\x00<%s>' % (m.group(1), m.group(3))
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else:
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break
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return XRefRole.__call__(self, typ, rawtext, text, *args, **keys)
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# We cannot insert index nodes using the result_nodes method
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# because CMakeXRefRole is processed before substitution_reference
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# nodes are evaluated so target nodes (with 'ids' fields) would be
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# duplicated in each evaluted substitution replacement. The
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# docutils substitution transform does not allow this. Instead we
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# use our own CMakeXRefTransform below to add index entries after
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# substitutions are completed.
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#
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# def result_nodes(self, document, env, node, is_ref):
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# pass
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class CMakeXRefTransform(Transform):
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# Run this transform early since we insert nodes we want
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# treated as if they were written in the documents, but
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# after the sphinx (210) and docutils (220) substitutions.
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default_priority = 221
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def apply(self):
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env = self.document.settings.env
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# Find CMake cross-reference nodes and add index and target
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# nodes for them.
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for ref in self.document.traverse(addnodes.pending_xref):
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if not ref['refdomain'] == 'cmake':
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continue
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objtype = ref['reftype']
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make_index_entry = _cmake_index_objs.get(objtype)
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if not make_index_entry:
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continue
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objname = ref['reftarget']
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targetnum = env.new_serialno('index-%s:%s' % (objtype, objname))
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targetid = 'index-%s-%s:%s' % (targetnum, objtype, objname)
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targetnode = nodes.target('', '', ids=[targetid])
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self.document.note_explicit_target(targetnode)
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indexnode = addnodes.index()
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indexnode['entries'] = [make_index_entry(objname, targetid, '')]
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ref.replace_self([indexnode, targetnode, ref])
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class CMakeDomain(Domain):
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"""CMake domain."""
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name = 'cmake'
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label = 'CMake'
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object_types = {
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'command': ObjType('command', 'command'),
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'generator': ObjType('generator', 'generator'),
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'variable': ObjType('variable', 'variable'),
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'module': ObjType('module', 'module'),
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'policy': ObjType('policy', 'policy'),
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'prop_cache': ObjType('prop_cache', 'prop_cache'),
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'prop_dir': ObjType('prop_dir', 'prop_dir'),
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'prop_gbl': ObjType('prop_gbl', 'prop_gbl'),
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'prop_inst': ObjType('prop_inst', 'prop_inst'),
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'prop_sf': ObjType('prop_sf', 'prop_sf'),
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'prop_test': ObjType('prop_test', 'prop_test'),
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'prop_tgt': ObjType('prop_tgt', 'prop_tgt'),
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'manual': ObjType('manual', 'manual'),
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}
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directives = {
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'command': CMakeObject,
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'variable': CMakeObject,
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# Other object types cannot be created except by the CMakeTransform
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# 'generator': CMakeObject,
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# 'module': CMakeObject,
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# 'policy': CMakeObject,
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# 'prop_cache': CMakeObject,
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# 'prop_dir': CMakeObject,
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# 'prop_gbl': CMakeObject,
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# 'prop_inst': CMakeObject,
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# 'prop_sf': CMakeObject,
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# 'prop_test': CMakeObject,
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# 'prop_tgt': CMakeObject,
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# 'manual': CMakeObject,
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}
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roles = {
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'command': CMakeXRefRole(fix_parens = True, lowercase = True),
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'generator': CMakeXRefRole(),
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'variable': CMakeXRefRole(),
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'module': CMakeXRefRole(),
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'policy': CMakeXRefRole(),
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'prop_cache': CMakeXRefRole(),
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'prop_dir': CMakeXRefRole(),
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'prop_gbl': CMakeXRefRole(),
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'prop_inst': CMakeXRefRole(),
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'prop_sf': CMakeXRefRole(),
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'prop_test': CMakeXRefRole(),
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'prop_tgt': CMakeXRefRole(),
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'manual': CMakeXRefRole(),
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}
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initial_data = {
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'objects': {}, # fullname -> docname, objtype
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}
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def clear_doc(self, docname):
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to_clear = set()
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for fullname, (fn, _) in self.data['objects'].items():
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if fn == docname:
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to_clear.add(fullname)
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for fullname in to_clear:
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del self.data['objects'][fullname]
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def resolve_xref(self, env, fromdocname, builder,
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typ, target, node, contnode):
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targetid = '%s:%s' % (typ, target)
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obj = self.data['objects'].get(targetid)
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if obj is None:
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# TODO: warn somehow?
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return None
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return make_refnode(builder, fromdocname, obj[0], targetid,
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contnode, target)
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def get_objects(self):
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for refname, (docname, type) in self.data['objects'].items():
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yield (refname, refname, type, docname, refname, 1)
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def setup(app):
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app.add_directive('cmake-module', CMakeModule)
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app.add_transform(CMakeTransform)
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app.add_transform(CMakeXRefTransform)
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app.add_domain(CMakeDomain)
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