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Diffstat (limited to 'docs/sphinx/ecm.py')
| -rw-r--r-- | docs/sphinx/ecm.py | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/docs/sphinx/ecm.py b/docs/sphinx/ecm.py new file mode 100644 index 00000000..9b76e1a9 --- /dev/null +++ b/docs/sphinx/ecm.py @@ -0,0 +1,301 @@ +# Copyright 2014 Alex Merry <alex.merry@kde.org> +# Based on cmake.py from CMake: +# Copyright 2000-2013 Kitware, Inc., Insight Software Consortium +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# 3. The name of the author may not be used to endorse or promote products +# derived from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR +# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES +# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +import os +import re + +# 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))) + +# 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 + + +from docutils.parsers.rst import Directive, directives +from docutils.transforms import Transform +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 + +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 ECMModule(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: + 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] + rst = None + else: + # 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 = '' + lines.append(line) + if rst is not None and rst != '#': + raise self.warning('"%s" found unclosed bracket "#[%s[.rst:" in %s' % + (self.name, rst[1:-1], path)) + self.state_machine.insert_input(lines, path) + return [] + +class _ecm_index_entry: + def __init__(self, desc): + self.desc = desc + + def __call__(self, title, targetid): + return ('pair', u'%s ; %s' % (self.desc, title), targetid, 'main') + +_ecm_index_objs = { + 'manual': _ecm_index_entry('manual'), + 'module': _ecm_index_entry('module'), + 'find-module': _ecm_index_entry('find-module'), + 'kde-module': _ecm_index_entry('kde-module'), + } + +def _ecm_object_inventory(env, document, line, objtype, targetid): + inv = env.domaindata['ecm']['objects'] + if targetid in inv: + document.reporter.warning( + 'ECM object "%s" also described in "%s".' % + (targetid, env.doc2path(inv[targetid][0])), line=line) + inv[targetid] = (env.docname, objtype) + +class ECMTransform(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. + 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 ecm domain objects. + objtype, sep, tail = env.docname.rpartition('/') + make_index_entry = _ecm_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 ecm domain object inventory + _ecm_object_inventory(env, self.document, 1, objtype, targetid) + +class ECMObject(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) + _ecm_object_inventory(self.env, self.state.document, + self.lineno, self.objtype, targetid) + + make_index_entry = _ecm_index_objs.get(self.objtype) + if make_index_entry: + self.indexnode['entries'].append(make_index_entry(name, targetid)) + +class ECMXRefRole(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): + # CMake cross-reference targets may contain '<' so escape + # any explicit `<target>` with '<' not preceded by whitespace. + while True: + m = ECMXRefRole._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 ECMDomain(Domain): + """ECM domain.""" + name = 'ecm' + label = 'ECM' + object_types = { + 'module': ObjType('module', 'module'), + 'kde-module': ObjType('kde-module', 'kde-module'), + 'find-module': ObjType('find-module', 'find-module'), + 'manual': ObjType('manual', 'manual'), + } + directives = {} + roles = { + 'module': XRefRole(), + 'kde-module': XRefRole(), + 'find-module': XRefRole(), + 'manual': XRefRole(), + } + 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('ecm-module', ECMModule) + app.add_transform(ECMTransform) + app.add_domain(ECMDomain) |