--- /dev/null
+# -*- Mode: python; coding: utf-8; indent-tabs-mode: nil -*- */
+#
+# This file is part of systemd.
+#
+# Copyright 2012-2013 Zbigniew Jędrzejewski-Szmek
+#
+# systemd is free software; you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation; either version 2.1 of the License, or
+# (at your option) any later version.
+#
+# systemd is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with systemd; If not, see <http://www.gnu.org/licenses/>.
+
+import sys
+import collections
+import re
+from xml_helper import *
+from copy import deepcopy
+
+TEMPLATE = '''\
+<refentry id="systemd.directives" conditional="HAVE_PYTHON">
+
+ <refentryinfo>
+ <title>systemd.directives</title>
+ <productname>systemd</productname>
+
+ <authorgroup>
+ <author>
+ <contrib>Developer</contrib>
+ <firstname>Zbigniew</firstname>
+ <surname>Jędrzejewski-Szmek</surname>
+ <email>zbyszek@in.waw.pl</email>
+ </author>
+ </authorgroup>
+ </refentryinfo>
+
+ <refmeta>
+ <refentrytitle>systemd.directives</refentrytitle>
+ <manvolnum>7</manvolnum>
+ </refmeta>
+
+ <refnamediv>
+ <refname>systemd.directives</refname>
+ <refpurpose>Index of configuration directives</refpurpose>
+ </refnamediv>
+
+ <refsect1>
+ <title>Unit directives</title>
+
+ <para>Directives for configuring units, used in unit
+ files.</para>
+
+ <variablelist id='unit-directives' />
+ </refsect1>
+
+ <refsect1>
+ <title>Options on the kernel command line</title>
+
+ <para>Kernel boot options for configuring the behaviour of the
+ systemd process.</para>
+
+ <variablelist id='kernel-commandline-options' />
+ </refsect1>
+
+ <refsect1>
+ <title>Environment variables</title>
+
+ <para>Environment variables understood by the systemd
+ manager and other programs.</para>
+
+ <variablelist id='environment-variables' />
+ </refsect1>
+
+ <refsect1>
+ <title>UDEV directives</title>
+
+ <para>Directives for configuring systemd units through the
+ udev database.</para>
+
+ <variablelist id='udev-directives' />
+ </refsect1>
+
+ <refsect1>
+ <title>Network directives</title>
+
+ <para>Directives for configuring network links through the
+ net-setup-link udev builtin and networks through
+ systemd-networkd.</para>
+
+ <variablelist id='network-directives' />
+ </refsect1>
+
+ <refsect1>
+ <title>Journal fields</title>
+
+ <para>Fields in the journal events with a well known meaning.</para>
+
+ <variablelist id='journal-directives' />
+ </refsect1>
+
+ <refsect1>
+ <title>PAM configuration directives</title>
+
+ <para>Directives for configuring PAM behaviour.</para>
+
+ <variablelist id='pam-directives' />
+ </refsect1>
+
+ <refsect1>
+ <title>crypttab options</title>
+
+ <para>Options which influence mounted filesystems and
+ encrypted volumes.</para>
+
+ <variablelist id='crypttab-options' />
+ </refsect1>
+
+ <refsect1>
+ <title>System manager directives</title>
+
+ <para>Directives for configuring the behaviour of the
+ systemd process.</para>
+
+ <variablelist id='systemd-directives' />
+ </refsect1>
+
+ <refsect1>
+ <title>bootchart.conf directives</title>
+
+ <para>Directives for configuring the behaviour of the
+ systemd-bootchart process.</para>
+
+ <variablelist id='bootchart-directives' />
+ </refsect1>
+
+ <refsect1>
+ <title>command-line options</title>
+
+ <para>Command-line options accepted by programs in the
+ systemd suite.</para>
+
+ <variablelist id='options' />
+ </refsect1>
+
+ <refsect1>
+ <title>Constants</title>
+
+ <para>Various constant used and/or defined by systemd.</para>
+
+ <variablelist id='constants' />
+ </refsect1>
+
+ <refsect1>
+ <title>Miscellaneous options and directives</title>
+
+ <para>Other configuration elements which don't fit in
+ any of the above groups.</para>
+
+ <variablelist id='miscellaneous' />
+ </refsect1>
+
+ <refsect1>
+ <title>Files and directories</title>
+
+ <para>Paths and file names referred to in the
+ documentation.</para>
+
+ <variablelist id='filenames' />
+ </refsect1>
+
+ <refsect1>
+ <title>Colophon</title>
+ <para id='colophon' />
+ </refsect1>
+</refentry>
+'''
+
+COLOPHON = '''\
+This index contains {count} entries in {sections} sections,
+referring to {pages} individual manual pages.
+'''
+
+def _extract_directives(directive_groups, formatting, page):
+ t = xml_parse(page)
+ section = t.find('./refmeta/manvolnum').text
+ pagename = t.find('./refmeta/refentrytitle').text
+
+ storopt = directive_groups['options']
+ for variablelist in t.iterfind('.//variablelist'):
+ klass = variablelist.attrib.get('class')
+ storvar = directive_groups[klass or 'miscellaneous']
+ # <option>s go in OPTIONS, unless class is specified
+ for xpath, stor in (('./varlistentry/term/varname', storvar),
+ ('./varlistentry/term/option',
+ storvar if klass else storopt)):
+ for name in variablelist.iterfind(xpath):
+ text = re.sub(r'([= ]).*', r'\1', name.text).rstrip()
+ stor[text].append((pagename, section))
+ if text not in formatting:
+ # use element as formatted display
+ if name.text[-1] in '= ':
+ name.clear()
+ else:
+ name.tail = ''
+ name.text = text
+ formatting[text] = name
+
+ storfile = directive_groups['filenames']
+ for xpath, absolute_only in (('.//refsynopsisdiv//filename', False),
+ ('.//refsynopsisdiv//command', False),
+ ('.//filename', True)):
+ for name in t.iterfind(xpath):
+ if absolute_only and not (name.text and name.text.startswith('/')):
+ continue
+ if name.attrib.get('noindex'):
+ continue
+ name.tail = ''
+ if name.text:
+ if name.text.endswith('*'):
+ name.text = name.text[:-1]
+ if not name.text.startswith('.'):
+ text = name.text.partition(' ')[0]
+ if text != name.text:
+ name.clear()
+ name.text = text
+ if text.endswith('/'):
+ text = text[:-1]
+ storfile[text].append((pagename, section))
+ if text not in formatting:
+ # use element as formatted display
+ formatting[text] = name
+ else:
+ text = ' '.join(name.itertext())
+ storfile[text].append((pagename, section))
+ formatting[text] = name
+
+ storfile = directive_groups['constants']
+ for name in t.iterfind('.//constant'):
+ if name.attrib.get('noindex'):
+ continue
+ name.tail = ''
+ if name.text.startswith('('): # a cast, strip it
+ name.text = name.text.partition(' ')[2]
+ storfile[name.text].append((pagename, section))
+ formatting[name.text] = name
+
+def _make_section(template, name, directives, formatting):
+ varlist = template.find(".//*[@id='{}']".format(name))
+ for varname, manpages in sorted(directives.items()):
+ entry = tree.SubElement(varlist, 'varlistentry')
+ term = tree.SubElement(entry, 'term')
+ display = deepcopy(formatting[varname])
+ term.append(display)
+
+ para = tree.SubElement(tree.SubElement(entry, 'listitem'), 'para')
+
+ b = None
+ for manpage, manvolume in sorted(set(manpages)):
+ if b is not None:
+ b.tail = ', '
+ b = tree.SubElement(para, 'citerefentry')
+ c = tree.SubElement(b, 'refentrytitle')
+ c.text = manpage
+ d = tree.SubElement(b, 'manvolnum')
+ d.text = manvolume
+ entry.tail = '\n\n'
+
+def _make_colophon(template, groups):
+ count = 0
+ pages = set()
+ for group in groups:
+ count += len(group)
+ for pagelist in group.values():
+ pages |= set(pagelist)
+
+ para = template.find(".//para[@id='colophon']")
+ para.text = COLOPHON.format(count=count,
+ sections=len(groups),
+ pages=len(pages))
+
+def _make_page(template, directive_groups, formatting):
+ """Create an XML tree from directive_groups.
+
+ directive_groups = {
+ 'class': {'variable': [('manpage', 'manvolume'), ...],
+ 'variable2': ...},
+ ...
+ }
+ """
+ for name, directives in directive_groups.items():
+ _make_section(template, name, directives, formatting)
+
+ _make_colophon(template, directive_groups.values())
+
+ return template
+
+def make_page(*xml_files):
+ "Extract directives from xml_files and return XML index tree."
+ template = tree.fromstring(TEMPLATE)
+ names = [vl.get('id') for vl in template.iterfind('.//variablelist')]
+ directive_groups = {name:collections.defaultdict(list)
+ for name in names}
+ formatting = {}
+ for page in xml_files:
+ try:
+ _extract_directives(directive_groups, formatting, page)
+ except Exception:
+ raise ValueError("failed to process " + page)
+
+ return _make_page(template, directive_groups, formatting)
+
+if __name__ == '__main__':
+ with open(sys.argv[1], 'wb') as f:
+ f.write(xml_print(make_page(*sys.argv[2:])))
~ianmdlvl / elogind.git / blobdiff