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CMake/Utilities/Sphinx/cmake.py

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Build Help documentation during CMake build using Sphinx Add a Utilities/Sphinx directory to hold CMake build code to run the Sphinx (sphinx-doc.org) documentation generation tool. Create a CMakeLists.txt file there capable of building either as a subdirectory of the main CMake build, or as a standalone documentation build. Add cache options SPHINX_MAN and SPHINX_HTML to select output formats and SPHINX_EXECUTABLE to specify the sphinx-build executable. Add bootstrap options --sphix-man and --sphinx-html to select output formats and --sphinx-build=<sb> to specify the sphinx-build executable. Create a "conf.py.in" file to configure_file into "conf.py" to tell sphinx-build how to build our documents. Create a "cmake.py" Sphinx extension module defining: * The "cmake-module" directive used in Help/module/*.rst files to scan .rst markup from the corresponding Modules/*.cmake file. * A Sphinx domain called "cmake" defining documentation object types for CMake Help/<type> directories: command, generator, manual, module, policy, prop_*, and variable. Add a "role" for each type to perform cross-references. Teach the roles to treat "<XYZ>" as placeholders instead of explicit targets if not preceded by a space. Add cmake domain directives to define command and variable objects explicitly in .rst file content. This will allow modules to define their own commands and variables and have them indexed and linkable. * A Sphinx document transform that converts Help/<type>/*.rst documents into cmake domain objects of the corresponding <type> and adds index entries for them. This will automatically index all CMake documentation objects and provide cross-reference targets for them with no special markup in the .rst files.
2013-09-18 00:08:05 +04:00
#=============================================================================
# CMake - Cross Platform Makefile Generator
# Copyright 2000-2013 Kitware, Inc., Insight Software Consortium
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
import os
import re
Help: Workaround pygments reporting an error for genexes. Without the workaround, CMake code snippets are not highlighted at all because pygments can not lex the generator expressions.
2013-12-26 10:49:20 +04:00
# Monkey patch for pygments reporting an error when generator expressions are
# used.
# https://bitbucket.org/birkenfeld/pygments-main/issue/942/cmake-generator-expressions-not-handled
from pygments.lexers import CMakeLexer
from pygments.token import Name, Operator
from pygments.lexer import bygroups
CMakeLexer.tokens["args"].append(('(\\$<)(.+?)(>)',
bygroups(Operator, Name.Variable, Operator)))
Help: Add option to create and install Qt .qch file.
2014-03-31 17:44:27 +04:00
# Monkey patch for sphinx generating invalid content for qcollectiongenerator
# https://bitbucket.org/birkenfeld/sphinx/issue/1435/qthelp-builder-should-htmlescape-keywords
from sphinx.util.pycompat import htmlescape
from sphinx.builders.qthelp import QtHelpBuilder
old_build_keywords = QtHelpBuilder.build_keywords
def new_build_keywords(self, title, refs, subitems):
old_items = old_build_keywords(self, title, refs, subitems)
new_items = []
for item in old_items:
before, rest = item.split("ref=\"", 1)
ref, after = rest.split("\"")
if ("<" in ref and ">" in ref):
new_items.append(before + "ref=\"" + htmlescape(ref) + "\"" + after)
else:
new_items.append(item)
return new_items
QtHelpBuilder.build_keywords = new_build_keywords
Help: Workaround pygments reporting an error for genexes. Without the workaround, CMake code snippets are not highlighted at all because pygments can not lex the generator expressions.
2013-12-26 10:49:20 +04:00
Build Help documentation during CMake build using Sphinx Add a Utilities/Sphinx directory to hold CMake build code to run the Sphinx (sphinx-doc.org) documentation generation tool. Create a CMakeLists.txt file there capable of building either as a subdirectory of the main CMake build, or as a standalone documentation build. Add cache options SPHINX_MAN and SPHINX_HTML to select output formats and SPHINX_EXECUTABLE to specify the sphinx-build executable. Add bootstrap options --sphix-man and --sphinx-html to select output formats and --sphinx-build=<sb> to specify the sphinx-build executable. Create a "conf.py.in" file to configure_file into "conf.py" to tell sphinx-build how to build our documents. Create a "cmake.py" Sphinx extension module defining: * The "cmake-module" directive used in Help/module/*.rst files to scan .rst markup from the corresponding Modules/*.cmake file. * A Sphinx domain called "cmake" defining documentation object types for CMake Help/<type> directories: command, generator, manual, module, policy, prop_*, and variable. Add a "role" for each type to perform cross-references. Teach the roles to treat "<XYZ>" as placeholders instead of explicit targets if not preceded by a space. Add cmake domain directives to define command and variable objects explicitly in .rst file content. This will allow modules to define their own commands and variables and have them indexed and linkable. * A Sphinx document transform that converts Help/<type>/*.rst documents into cmake domain objects of the corresponding <type> and adds index entries for them. This will automatically index all CMake documentation objects and provide cross-reference targets for them with no special markup in the .rst files.
2013-09-18 00:08:05 +04:00
from docutils.parsers.rst import Directive, directives
from docutils.transforms import Transform
Help: Fix Sphinx extension with docutils < 0.11 In older versions of python docutils "error_reporting" was not in the "utils" subpackage, so try the older location if the new one failed. Alex
2013-12-22 23:46:57 +04:00
try:
from docutils.utils.error_reporting import SafeString, ErrorString
except ImportError:
# error_reporting was not in utils before version 0.11:
from docutils.error_reporting import SafeString, ErrorString
Build Help documentation during CMake build using Sphinx Add a Utilities/Sphinx directory to hold CMake build code to run the Sphinx (sphinx-doc.org) documentation generation tool. Create a CMakeLists.txt file there capable of building either as a subdirectory of the main CMake build, or as a standalone documentation build. Add cache options SPHINX_MAN and SPHINX_HTML to select output formats and SPHINX_EXECUTABLE to specify the sphinx-build executable. Add bootstrap options --sphix-man and --sphinx-html to select output formats and --sphinx-build=<sb> to specify the sphinx-build executable. Create a "conf.py.in" file to configure_file into "conf.py" to tell sphinx-build how to build our documents. Create a "cmake.py" Sphinx extension module defining: * The "cmake-module" directive used in Help/module/*.rst files to scan .rst markup from the corresponding Modules/*.cmake file. * A Sphinx domain called "cmake" defining documentation object types for CMake Help/<type> directories: command, generator, manual, module, policy, prop_*, and variable. Add a "role" for each type to perform cross-references. Teach the roles to treat "<XYZ>" as placeholders instead of explicit targets if not preceded by a space. Add cmake domain directives to define command and variable objects explicitly in .rst file content. This will allow modules to define their own commands and variables and have them indexed and linkable. * A Sphinx document transform that converts Help/<type>/*.rst documents into cmake domain objects of the corresponding <type> and adds index entries for them. This will automatically index all CMake documentation objects and provide cross-reference targets for them with no special markup in the .rst files.
2013-09-18 00:08:05 +04:00
from docutils import io, nodes
from sphinx.directives import ObjectDescription
from sphinx.domains import Domain, ObjType
from sphinx.roles import XRefRole
from sphinx.util.nodes import make_refnode
from sphinx import addnodes
class CMakeModule(Directive):
required_arguments = 1
optional_arguments = 0
final_argument_whitespace = True
option_spec = {'encoding': directives.encoding}
def __init__(self, *args, **keys):
self.re_start = re.compile(r'^#\[(?P<eq>=*)\[\.rst:$')
Directive.__init__(self, *args, **keys)
def run(self):
settings = self.state.document.settings
if not settings.file_insertion_enabled:
raise self.warning('"%s" directive disabled.' % self.name)
env = self.state.document.settings.env
rel_path, path = env.relfn2path(self.arguments[0])
path = os.path.normpath(path)
encoding = self.options.get('encoding', settings.input_encoding)
e_handler = settings.input_encoding_error_handler
try:
settings.record_dependencies.add(path)
f = io.FileInput(source_path=path, encoding=encoding,
error_handler=e_handler)
except UnicodeEncodeError, error:
raise self.severe('Problems with "%s" directive path:\n'
'Cannot encode input file path "%s" '
'(wrong locale?).' %
(self.name, SafeString(path)))
except IOError, error:
raise self.severe('Problems with "%s" directive path:\n%s.' %
(self.name, ErrorString(error)))
raw_lines = f.read().splitlines()
f.close()
rst = None
lines = []
for line in raw_lines:
cmRST: Teach cmake-module directive to scan bracket comments When scanning CMake module files for .rst comments, recognize bracket comments starting in ".rst:" too. For example: #[[.rst: Include the bracket comment content terminated by the closing bracket. Exclude the line containing the bracket if it starts in "#". Teach the CMakeLib.testRST test to cover multiple bracket lengths and ending brackets on lines with and without "#". Update the cmake-developer.7 manual to document the bracket-comment syntax for .rst documentation.
2013-10-23 03:49:45 +04:00
if rst is not None and rst != '#':
# Bracket mode: check for end bracket
pos = line.find(rst)
if pos >= 0:
if line[0] == '#':
line = ''
else:
line = line[0:pos]
Build Help documentation during CMake build using Sphinx Add a Utilities/Sphinx directory to hold CMake build code to run the Sphinx (sphinx-doc.org) documentation generation tool. Create a CMakeLists.txt file there capable of building either as a subdirectory of the main CMake build, or as a standalone documentation build. Add cache options SPHINX_MAN and SPHINX_HTML to select output formats and SPHINX_EXECUTABLE to specify the sphinx-build executable. Add bootstrap options --sphix-man and --sphinx-html to select output formats and --sphinx-build=<sb> to specify the sphinx-build executable. Create a "conf.py.in" file to configure_file into "conf.py" to tell sphinx-build how to build our documents. Create a "cmake.py" Sphinx extension module defining: * The "cmake-module" directive used in Help/module/*.rst files to scan .rst markup from the corresponding Modules/*.cmake file. * A Sphinx domain called "cmake" defining documentation object types for CMake Help/<type> directories: command, generator, manual, module, policy, prop_*, and variable. Add a "role" for each type to perform cross-references. Teach the roles to treat "<XYZ>" as placeholders instead of explicit targets if not preceded by a space. Add cmake domain directives to define command and variable objects explicitly in .rst file content. This will allow modules to define their own commands and variables and have them indexed and linkable. * A Sphinx document transform that converts Help/<type>/*.rst documents into cmake domain objects of the corresponding <type> and adds index entries for them. This will automatically index all CMake documentation objects and provide cross-reference targets for them with no special markup in the .rst files.
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rst = None
else:
cmRST: Teach cmake-module directive to scan bracket comments When scanning CMake module files for .rst comments, recognize bracket comments starting in ".rst:" too. For example: #[[.rst: Include the bracket comment content terminated by the closing bracket. Exclude the line containing the bracket if it starts in "#". Teach the CMakeLib.testRST test to cover multiple bracket lengths and ending brackets on lines with and without "#". Update the cmake-developer.7 manual to document the bracket-comment syntax for .rst documentation.
2013-10-23 03:49:45 +04:00
# Line mode: check for .rst start (bracket or line)
m = self.re_start.match(line)
if m:
rst = ']%s]' % m.group('eq')
line = ''
elif line == '#.rst:':
rst = '#'
line = ''
elif rst == '#':
if line == '#' or line[:2] == '# ':
line = line[2:]
else:
rst = None
line = ''
elif rst is None:
line = ''
Build Help documentation during CMake build using Sphinx Add a Utilities/Sphinx directory to hold CMake build code to run the Sphinx (sphinx-doc.org) documentation generation tool. Create a CMakeLists.txt file there capable of building either as a subdirectory of the main CMake build, or as a standalone documentation build. Add cache options SPHINX_MAN and SPHINX_HTML to select output formats and SPHINX_EXECUTABLE to specify the sphinx-build executable. Add bootstrap options --sphix-man and --sphinx-html to select output formats and --sphinx-build=<sb> to specify the sphinx-build executable. Create a "conf.py.in" file to configure_file into "conf.py" to tell sphinx-build how to build our documents. Create a "cmake.py" Sphinx extension module defining: * The "cmake-module" directive used in Help/module/*.rst files to scan .rst markup from the corresponding Modules/*.cmake file. * A Sphinx domain called "cmake" defining documentation object types for CMake Help/<type> directories: command, generator, manual, module, policy, prop_*, and variable. Add a "role" for each type to perform cross-references. Teach the roles to treat "<XYZ>" as placeholders instead of explicit targets if not preceded by a space. Add cmake domain directives to define command and variable objects explicitly in .rst file content. This will allow modules to define their own commands and variables and have them indexed and linkable. * A Sphinx document transform that converts Help/<type>/*.rst documents into cmake domain objects of the corresponding <type> and adds index entries for them. This will automatically index all CMake documentation objects and provide cross-reference targets for them with no special markup in the .rst files.
2013-09-18 00:08:05 +04:00
lines.append(line)
cmRST: Teach cmake-module directive to scan bracket comments When scanning CMake module files for .rst comments, recognize bracket comments starting in ".rst:" too. For example: #[[.rst: Include the bracket comment content terminated by the closing bracket. Exclude the line containing the bracket if it starts in "#". Teach the CMakeLib.testRST test to cover multiple bracket lengths and ending brackets on lines with and without "#". Update the cmake-developer.7 manual to document the bracket-comment syntax for .rst documentation.
2013-10-23 03:49:45 +04:00
if rst is not None and rst != '#':
raise self.warning('"%s" found unclosed bracket "#[%s[.rst:" in %s' %
(self.name, rst[1:-1], path))
Build Help documentation during CMake build using Sphinx Add a Utilities/Sphinx directory to hold CMake build code to run the Sphinx (sphinx-doc.org) documentation generation tool. Create a CMakeLists.txt file there capable of building either as a subdirectory of the main CMake build, or as a standalone documentation build. Add cache options SPHINX_MAN and SPHINX_HTML to select output formats and SPHINX_EXECUTABLE to specify the sphinx-build executable. Add bootstrap options --sphix-man and --sphinx-html to select output formats and --sphinx-build=<sb> to specify the sphinx-build executable. Create a "conf.py.in" file to configure_file into "conf.py" to tell sphinx-build how to build our documents. Create a "cmake.py" Sphinx extension module defining: * The "cmake-module" directive used in Help/module/*.rst files to scan .rst markup from the corresponding Modules/*.cmake file. * A Sphinx domain called "cmake" defining documentation object types for CMake Help/<type> directories: command, generator, manual, module, policy, prop_*, and variable. Add a "role" for each type to perform cross-references. Teach the roles to treat "<XYZ>" as placeholders instead of explicit targets if not preceded by a space. Add cmake domain directives to define command and variable objects explicitly in .rst file content. This will allow modules to define their own commands and variables and have them indexed and linkable. * A Sphinx document transform that converts Help/<type>/*.rst documents into cmake domain objects of the corresponding <type> and adds index entries for them. This will automatically index all CMake documentation objects and provide cross-reference targets for them with no special markup in the .rst files.
2013-09-18 00:08:05 +04:00
self.state_machine.insert_input(lines, path)
return []
class _cmake_index_entry:
def __init__(self, desc):
self.desc = desc
def __call__(self, title, targetid):
return ('pair', u'%s ; %s' % (self.desc, title), targetid, 'main')
_cmake_index_objs = {
'command': _cmake_index_entry('command'),
'generator': _cmake_index_entry('generator'),
'manual': _cmake_index_entry('manual'),
'module': _cmake_index_entry('module'),
'policy': _cmake_index_entry('policy'),
'prop_cache': _cmake_index_entry('cache property'),
'prop_dir': _cmake_index_entry('directory property'),
'prop_gbl': _cmake_index_entry('global property'),
'prop_sf': _cmake_index_entry('source file property'),
'prop_test': _cmake_index_entry('test property'),
'prop_tgt': _cmake_index_entry('target property'),
'variable': _cmake_index_entry('variable'),
}
def _cmake_object_inventory(env, document, line, objtype, targetid):
inv = env.domaindata['cmake']['objects']
if targetid in inv:
document.reporter.warning(
'CMake object "%s" also described in "%s".' %
(targetid, env.doc2path(inv[targetid][0])), line=line)
inv[targetid] = (env.docname, objtype)
class CMakeTransform(Transform):
# Run this transform early since we insert nodes we want
# treated as if they were written in the documents.
default_priority = 210
def __init__(self, document, startnode):
Transform.__init__(self, document, startnode)
self.titles = {}
def parse_title(self, docname):
"""Parse a document title as the first line starting in [A-Za-z0-9<]
or fall back to the document basename if no such line exists.
The cmake --help-*-list commands also depend on this convention.
Return the title or False if the document file does not exist.
"""
env = self.document.settings.env
title = self.titles.get(docname)
if title is None:
fname = os.path.join(env.srcdir, docname+'.rst')
try:
f = open(fname, 'r')
except IOError:
title = False
else:
for line in f:
if len(line) > 0 and (line[0].isalnum() or line[0] == '<'):
title = line.rstrip()
break
f.close()
if title is None:
title = os.path.basename(docname)
self.titles[docname] = title
return title
def apply(self):
env = self.document.settings.env
# Treat some documents as cmake domain objects.
objtype, sep, tail = env.docname.rpartition('/')
make_index_entry = _cmake_index_objs.get(objtype)
if make_index_entry:
title = self.parse_title(env.docname)
# Insert the object link target.
targetid = '%s:%s' % (objtype, title)
targetnode = nodes.target('', '', ids=[targetid])
self.document.insert(0, targetnode)
# Insert the object index entry.
indexnode = addnodes.index()
indexnode['entries'] = [make_index_entry(title, targetid)]
self.document.insert(0, indexnode)
# Add to cmake domain object inventory
_cmake_object_inventory(env, self.document, 1, objtype, targetid)
class CMakeObject(ObjectDescription):
def handle_signature(self, sig, signode):
# called from sphinx.directives.ObjectDescription.run()
signode += addnodes.desc_name(sig, sig)
return sig
def add_target_and_index(self, name, sig, signode):
targetid = '%s:%s' % (self.objtype, name)
if targetid not in self.state.document.ids:
signode['names'].append(targetid)
signode['ids'].append(targetid)
signode['first'] = (not self.names)
self.state.document.note_explicit_target(signode)
_cmake_object_inventory(self.env, self.state.document,
self.lineno, self.objtype, targetid)
make_index_entry = _cmake_index_objs.get(self.objtype)
if make_index_entry:
self.indexnode['entries'].append(make_index_entry(name, targetid))
class CMakeXRefRole(XRefRole):
# See sphinx.util.nodes.explicit_title_re; \x00 escapes '<'.
_re = re.compile(r'^(.+?)(\s*)(?<!\x00)<(.*?)>$', re.DOTALL)
_re_sub = re.compile(r'^([^()\s]+)\s*\(([^()]*)\)$', re.DOTALL)
def __call__(self, typ, rawtext, text, *args, **keys):
# Translate CMake command cross-references of the form:
# `command_name(SUB_COMMAND)`
# to have an explicit target:
# `command_name(SUB_COMMAND) <command_name>`
if typ == 'cmake:command':
m = CMakeXRefRole._re_sub.match(text)
if m:
text = '%s <%s>' % (text, m.group(1))
# CMake cross-reference targets frequently contain '<' so escape
# any explicit `<target>` with '<' not preceded by whitespace.
while True:
m = CMakeXRefRole._re.match(text)
if m and len(m.group(2)) == 0:
text = '%s\x00<%s>' % (m.group(1), m.group(3))
else:
break
return XRefRole.__call__(self, typ, rawtext, text, *args, **keys)
class CMakeDomain(Domain):
"""CMake domain."""
name = 'cmake'
label = 'CMake'
object_types = {
'command': ObjType('command', 'command'),
'generator': ObjType('generator', 'generator'),
'variable': ObjType('variable', 'variable'),
'module': ObjType('module', 'module'),
'policy': ObjType('policy', 'policy'),
'prop_cache': ObjType('prop_cache', 'prop_cache'),
'prop_dir': ObjType('prop_dir', 'prop_dir'),
'prop_gbl': ObjType('prop_gbl', 'prop_gbl'),
'prop_sf': ObjType('prop_sf', 'prop_sf'),
'prop_test': ObjType('prop_test', 'prop_test'),
'prop_tgt': ObjType('prop_tgt', 'prop_tgt'),
'manual': ObjType('manual', 'manual'),
}
directives = {
'command': CMakeObject,
'variable': CMakeObject,
# Other object types cannot be created except by the CMakeTransform
# 'generator': CMakeObject,
# 'module': CMakeObject,
# 'policy': CMakeObject,
# 'prop_cache': CMakeObject,
# 'prop_dir': CMakeObject,
# 'prop_gbl': CMakeObject,
# 'prop_sf': CMakeObject,
# 'prop_test': CMakeObject,
# 'prop_tgt': CMakeObject,
# 'manual': CMakeObject,
}
roles = {
'command': CMakeXRefRole(fix_parens = True, lowercase = True),
'generator': CMakeXRefRole(),
'variable': CMakeXRefRole(),
'module': CMakeXRefRole(),
'policy': CMakeXRefRole(),
'prop_cache': CMakeXRefRole(),
'prop_dir': CMakeXRefRole(),
'prop_gbl': CMakeXRefRole(),
'prop_sf': CMakeXRefRole(),
'prop_test': CMakeXRefRole(),
'prop_tgt': CMakeXRefRole(),
'manual': CMakeXRefRole(),
}
initial_data = {
'objects': {}, # fullname -> docname, objtype
}
def clear_doc(self, docname):
for fullname, (fn, _) in self.data['objects'].items():
if fn == docname:
del self.data['objects'][fullname]
def resolve_xref(self, env, fromdocname, builder,
typ, target, node, contnode):
targetid = '%s:%s' % (typ, target)
obj = self.data['objects'].get(targetid)
if obj is None:
# TODO: warn somehow?
return None
return make_refnode(builder, fromdocname, obj[0], targetid,
contnode, target)
def get_objects(self):
for refname, (docname, type) in self.data['objects'].iteritems():
yield (refname, refname, type, docname, refname, 1)
def setup(app):
app.add_directive('cmake-module', CMakeModule)
app.add_transform(CMakeTransform)
app.add_domain(CMakeDomain)