sbus_codegen revision c2cc119de8eac712c040b3993f41c967ff2278de
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter#!/usr/bin/python
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter#
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# Authors:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# Stef Walter <stefw@redhat.com>
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter#
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# Copyright (C) 2014 Red Hat
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter#
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# This program is free software; you can redistribute it and/or modify
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# it under the terms of the GNU General Public License as published by
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# the Free Software Foundation; either version 3 of the License, or
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# (at your option) any later version.
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter#
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# This program is distributed in the hope that it will be useful,
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# but WITHOUT ANY WARRANTY; without even the implied warranty of
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# GNU General Public License for more details.
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter#
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# You should have received a copy of the GNU General Public License
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# along with this program. If not, see <http://www.gnu.org/licenses/>.
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter#
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter#
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# Some parser code from GLib
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter#
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# Copyright (C) 2008-2011 Red Hat, Inc.
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter#
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# This library is free software; you can redistribute it and/or
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# modify it under the terms of the GNU Lesser General Public
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# License as published by the Free Software Foundation; either
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# version 2 of the License, or (at your option) any later version.
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter#
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# This library is distributed in the hope that it will be useful,
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# but WITHOUT ANY WARRANTY; without even the implied warranty of
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# Lesser General Public License for more details.
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter#
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# You should have received a copy of the GNU Lesser General
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# Public License along with this library; if not, write to the
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# Free Software Foundation, Inc., 59 Temple Place, Suite 330,
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# Boston, MA 02111-1307, USA.
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter#
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# Portions by: David Zeuthen <davidz@redhat.com>
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter#
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter#
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# DBus interfaces are defined here:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter#
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# http://dbus.freedesktop.org/doc/dbus-specification.html#introspection-format
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter#
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# The introspection data format has become the standard way to represent a
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# DBus interface. For many examples see /usr/share/dbus-1/interfaces/ on a
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# typical linux machine.
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter#
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# A word about annotations. These are extra flags or values that can be
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# assigned to anything. So far, the codegen supports this annotation:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter#
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# org.freedesktop.DBus.GLib.CSymbol
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# - An annotation specified in the specification that tells us what C symbol
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# to generate for a given interface or method. By default the codegen will
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# build up a symbol name from the DBus name.
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter#
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walterimport optparse
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walterimport os
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walterimport re
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walterimport StringIO
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walterimport sys
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walterimport xml.parsers.expat
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# -----------------------------------------------------------------------------
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# Objects
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walterclass DBusXmlException(Exception):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter line = 0
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter file = None
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter # Lets us print problems like a compiler would
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter def __str__(self):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter message = Exception.__str__(self)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if self.file and self.line:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter return "%s:%d: %s" % (self.file, self.line, message)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter elif self.file:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter return "%s: %s" % (self.file, message)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter else:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter return message
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walterclass Base:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter def __init__(self, name):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if not name:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter raise DBusXmlException('No name on element')
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.name = name
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.annotations = { }
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter def c_name(self):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter return self.annotations.get("org.freedesktop.DBus.GLib.CSymbol", self.name)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walterclass Arg(Base):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter def __init__(self, method, name, signature):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter Base.__init__(self, name)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.method = method
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.signature = signature
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walterclass Method(Base):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter def __init__(self, iface, name):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter Base.__init__(self, name)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.iface = iface
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.in_args = []
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.out_args = []
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter def fq_c_name(self):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter return "%s_%s" % (self.iface.c_name(), self.c_name())
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walterclass Signal(Base):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter def __init__(self, iface, name):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter Base.__init__(self, name)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.iface = iface
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.args = []
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter def fq_c_name(self):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter return "%s_%s" % (self.iface.c_name(), self.c_name())
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walterclass Property(Base):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter def __init__(self, iface, name, signature, access):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter Base.__init__(self, name)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.iface = iface
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.signature = signature
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.readable = False
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.writable = False
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if access == 'readwrite':
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.readable = True
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.writable = True
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter elif access == 'read':
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.readable = True
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter elif access == 'write':
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.writable = True
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter else:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter raise DBusXmlException('Invalid access type %s'%self.access)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter def fq_c_name(self):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter return "%s_%s" % (self.iface.c_name(), self.c_name())
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walterclass Interface(Base):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter def __init__(self, name):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter Base.__init__(self, name)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.methods = []
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.signals = []
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.properties = []
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter def c_name(self):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter return self.annotations.get("org.freedesktop.DBus.GLib.CSymbol",
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.name.replace(".", "_"))
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# -----------------------------------------------------------------------------
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# Code Generation
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walterdef out(format, *args):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter str = format % args
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter sys.stdout.write(str)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter sys.stdout.write("\n")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walterdef source_args(parent, args, suffix):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("/* arguments for %s.%s */", parent.iface.name, parent.name)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("const struct sbus_arg_meta %s%s[] = {", parent.fq_c_name(), suffix)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter for arg in args:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" { \"%s\", \"%s\" },", arg.name, arg.signature)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" { NULL, }")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("};")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walterdef source_methods(iface, methods):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter for meth in methods:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if meth.in_args:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter source_args(meth, meth.in_args, "__in")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if meth.out_args:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter source_args(meth, meth.out_args, "__out")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("/* methods for %s */", iface.name)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("const struct sbus_method_meta %s__methods[] = {", iface.c_name())
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter for meth in methods:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" {")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" \"%s\", /* name */", meth.name)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if meth.in_args:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" %s__in,", meth.fq_c_name())
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter else:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" NULL, /* no in_args */")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if meth.out_args:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" %s__out,", meth.fq_c_name())
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter else:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" NULL, /* no out_args */")
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter out(" offsetof(struct %s, %s),", iface.c_name(), meth.c_name())
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" },")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" { NULL, }")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("};")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walterdef source_signals(iface, signals):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter for sig in iface.signals:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if sig.args:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter source_args(sig, sig.args, "__args")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("/* signals for %s */", iface.name)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("const struct sbus_signal_meta %s__signals[] = {", iface.c_name())
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter for sig in signals:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" {")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" \"%s\", /* name */", sig.name)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if sig.args:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" %s__args", sig.fq_c_name())
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter else:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" NULL, /* no args */")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" },")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" { NULL, }")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("};")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walterdef source_properties(iface, properties):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("/* property info for %s */", iface.name)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("const struct sbus_property_meta %s__properties[] = {", iface.c_name())
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter for prop in properties:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" {")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" \"%s\", /* name */", prop.name)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" \"%s\", /* signature */", prop.signature)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if prop.readable and prop.writable:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" SBUS_PROPERTY_READABLE | SBUS_PROPERTY_WRITABLE,")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter elif prop.readable:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" SBUS_PROPERTY_READABLE,")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter elif prop.writable:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" SBUS_PROPERTY_WRITABLE,")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter else:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter assert False, "should not be reached"
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" },")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" { NULL, }")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("};")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walterdef header_interface(iface):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("/* interface info for %s */", iface.name)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("extern const struct sbus_interface_meta %s_meta;", iface.c_name())
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walterdef source_interface(iface):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("/* interface info for %s */", iface.name)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("const struct sbus_interface_meta %s_meta = {", iface.c_name())
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" \"%s\", /* name */", iface.name)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if iface.methods:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" %s__methods,", iface.c_name())
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter else:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" NULL, /* no methods */")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if iface.signals:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" %s__signals,", iface.c_name())
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter else:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" NULL, /* no signals */")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if iface.properties:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" %s__properties", iface.c_name())
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter else:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" NULL, /* no propetries */")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("};")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walterdef generate_source(ifaces, filename, include_header=None):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter basename = os.path.basename(filename)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("/* The following definitions are auto-generated from %s */", basename)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("#include \"util/util.h\"")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("#include \"sbus/sssd_dbus.h\"")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("#include \"sbus/sssd_dbus_meta.h\"")
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter if include_header:
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter out("#include \"%s\"", os.path.basename(include_header))
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter for iface in ifaces:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter # The methods
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if iface.methods:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter source_methods(iface, iface.methods)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter # The signals array
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if iface.signals:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter source_signals(iface, iface.signals)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter # The properties array
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if iface.properties:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter source_properties(iface, iface.properties)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter # The sbus_interface structure
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter source_interface(iface)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walterdef header_vtable(iface, methods):
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter out("")
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter out("/* vtable for %s */", iface.name)
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter out("struct %s {", iface.c_name())
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter out(" struct sbus_vtable vtable; /* derive from sbus_vtable */")
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter # All methods
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter for meth in iface.methods:
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter out(" sbus_msg_handler_fn %s;", meth.c_name())
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter # TODO: Property getters and setters will go here
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter out("};")
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter
c2cc119de8eac712c040b3993f41c967ff2278deStef Walterdef header_constants(iface):
c2cc119de8eac712c040b3993f41c967ff2278deStef Walter out("")
c2cc119de8eac712c040b3993f41c967ff2278deStef Walter out("/* constants for %s */", iface.name)
c2cc119de8eac712c040b3993f41c967ff2278deStef Walter out("#define %s \"%s\"", iface.c_name().upper(), iface.name)
c2cc119de8eac712c040b3993f41c967ff2278deStef Walter for meth in iface.methods:
c2cc119de8eac712c040b3993f41c967ff2278deStef Walter out("#define %s \"%s\"", meth.fq_c_name().upper(), meth.name)
c2cc119de8eac712c040b3993f41c967ff2278deStef Walter for sig in iface.signals:
c2cc119de8eac712c040b3993f41c967ff2278deStef Walter out("#define %s \"%s\"", sig.fq_c_name().upper(), sig.name)
c2cc119de8eac712c040b3993f41c967ff2278deStef Walter for prop in iface.properties:
c2cc119de8eac712c040b3993f41c967ff2278deStef Walter out("#define %s \"%s\"", prop.fq_c_name().upper(), prop.name)
c2cc119de8eac712c040b3993f41c967ff2278deStef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walterdef generate_header(ifaces, filename):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter basename = os.path.basename(filename)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter guard = "__%s__" % re.sub(r'([^_A-Z0-9])', "_", basename.upper())
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("/* The following declarations are auto-generated from %s */", basename)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("#ifndef %s", guard)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("#define %s", guard)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("#include \"sbus/sssd_dbus.h\"")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
c2cc119de8eac712c040b3993f41c967ff2278deStef Walter out("")
c2cc119de8eac712c040b3993f41c967ff2278deStef Walter out("/* ------------------------------------------------------------------------")
c2cc119de8eac712c040b3993f41c967ff2278deStef Walter out(" * DBus Constants")
c2cc119de8eac712c040b3993f41c967ff2278deStef Walter out(" *")
c2cc119de8eac712c040b3993f41c967ff2278deStef Walter out(" * Various constants of interface and method names mostly for use by clients")
c2cc119de8eac712c040b3993f41c967ff2278deStef Walter out(" */")
c2cc119de8eac712c040b3993f41c967ff2278deStef Walter
c2cc119de8eac712c040b3993f41c967ff2278deStef Walter for iface in ifaces:
c2cc119de8eac712c040b3993f41c967ff2278deStef Walter header_constants(iface)
c2cc119de8eac712c040b3993f41c967ff2278deStef Walter
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter out("")
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter out("/* ------------------------------------------------------------------------")
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter out(" * DBus Vtable handler structures")
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter out(" *")
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter out(" * These structures are filled in by implementors of the different")
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter out(" * dbus interfaces to handle method calls.")
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter out(" *")
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter out(" * Handler functions of type sbus_msg_handler_fn accept raw messages,")
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter out(" * other handlers will be typed appropriately. If a handler that is")
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter out(" * set to NULL is invoked it will result in a")
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter out(" * org.freedesktop.DBus.Error.NotSupported error for the caller.")
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter out(" */")
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter for iface in ifaces:
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter if iface.methods:
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter header_vtable(iface, iface.methods)
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("/* ------------------------------------------------------------------------")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" * DBus Interface Metadata")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" *")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" * These structure definitions are filled in with the information about")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" * the interfaces, methods, properties and so on.")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" *")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" * The actual definitions are found in the accompanying C file next")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" * to this header.")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out(" */")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter for iface in ifaces:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter header_interface(iface)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter out("#endif /* %s */", guard)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# -----------------------------------------------------------------------------
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter# XML Interface Parsing
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef WalterSTATE_TOP = 'top'
b699c4d7f85a5404be1d1ee9450331aea869b886Stef WalterSTATE_NODE = 'node'
b699c4d7f85a5404be1d1ee9450331aea869b886Stef WalterSTATE_INTERFACE = 'interface'
b699c4d7f85a5404be1d1ee9450331aea869b886Stef WalterSTATE_METHOD = 'method'
b699c4d7f85a5404be1d1ee9450331aea869b886Stef WalterSTATE_SIGNAL = 'signal'
b699c4d7f85a5404be1d1ee9450331aea869b886Stef WalterSTATE_PROPERTY = 'property'
b699c4d7f85a5404be1d1ee9450331aea869b886Stef WalterSTATE_ARG = 'arg'
b699c4d7f85a5404be1d1ee9450331aea869b886Stef WalterSTATE_ANNOTATION = 'annotation'
b699c4d7f85a5404be1d1ee9450331aea869b886Stef WalterSTATE_IGNORED = 'ignored'
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walterdef expect_attr(attrs, name):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if name not in attrs:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter raise DBusXmlException("Missing attribute '%s'" % name)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if attrs[name] == "":
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter raise DBusXmlException("Empty attribute '%s'" % name)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter return attrs[name]
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walterclass DBusXMLParser:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter def __init__(self, filename):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter parser = xml.parsers.expat.ParserCreate()
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter parser.CommentHandler = self.handle_comment
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter parser.CharacterDataHandler = self.handle_char_data
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter parser.StartElementHandler = self.handle_start_element
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter parser.EndElementHandler = self.handle_end_element
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.parsed_interfaces = []
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.cur_object = None
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.state = STATE_TOP
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.state_stack = []
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.cur_object = None
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.cur_object_stack = []
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.arg_count = 0
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter try:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter with open(filename, "r") as f:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter parser.ParseFile(f)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter except DBusXmlException, ex:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter ex.line = parser.CurrentLineNumber
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter ex.file = filename
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter raise
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter except xml.parsers.expat.ExpatError, ex:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter exc = DBusXmlException(str(ex))
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter exc.line = ex.lineno
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter exc.file = filename
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter raise exc
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter def handle_comment(self, data):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter pass
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter def handle_char_data(self, data):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter pass
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter def handle_start_element(self, name, attrs):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter old_state = self.state
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter old_cur_object = self.cur_object
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if self.state == STATE_IGNORED:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.state = STATE_IGNORED
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter elif self.cur_object and name == STATE_ANNOTATION:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter val = attrs.get('value', '')
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.cur_object.annotations[expect_attr(attrs, 'name')] = val
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.state = STATE_IGNORED
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter elif self.state == STATE_TOP:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if name == STATE_NODE:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.state = STATE_NODE
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter else:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.state = STATE_IGNORED
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter elif self.state == STATE_NODE:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if name == STATE_INTERFACE:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.state = STATE_INTERFACE
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter iface = Interface(expect_attr(attrs, 'name'))
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.cur_object = iface
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.parsed_interfaces.append(iface)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter else:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.state = STATE_IGNORED
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter elif self.state == STATE_INTERFACE:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if name == STATE_METHOD:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.state = STATE_METHOD
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter method = Method(self.cur_object, expect_attr(attrs, 'name'))
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.cur_object.methods.append(method)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.cur_object = method
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.arg_count = 0
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter elif name == STATE_SIGNAL:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.state = STATE_SIGNAL
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter signal = Signal(self.cur_object, expect_attr(attrs, 'name'))
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.cur_object.signals.append(signal)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.cur_object = signal
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.arg_count = 0
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter elif name == STATE_PROPERTY:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.state = STATE_PROPERTY
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter prop = Property(self.cur_object,
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter expect_attr(attrs, 'name'),
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter expect_attr(attrs, 'type'),
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter expect_attr(attrs, 'access'))
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.cur_object.properties.append(prop)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.cur_object = prop
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter else:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.state = STATE_IGNORED
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter elif self.state == STATE_METHOD:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if name == STATE_ARG:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.state = STATE_ARG
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter arg = Arg(self.cur_object,
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter expect_attr(attrs, 'name'),
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter expect_attr(attrs, 'type'))
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter direction = attrs.get('direction', 'in')
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if direction == 'in':
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.cur_object.in_args.append(arg)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter elif direction == 'out':
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.cur_object.out_args.append(arg)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter else:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter raise DBusXmlException('Invalid direction "%s"' % direction)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.cur_object = arg
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter else:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.state = STATE_IGNORED
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter elif self.state == STATE_SIGNAL:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if name == STATE_ARG:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.state = STATE_ARG
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter arg = Arg(self.cur_object,
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter expect_attr(attrs, 'name'),
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter expect_attr(attrs, 'type'))
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.cur_object.args.append(arg)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.cur_object = arg
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter else:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.state = STATE_IGNORED
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter elif self.state == STATE_PROPERTY:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.state = STATE_IGNORED
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter elif self.state == STATE_ARG:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.state = STATE_IGNORED
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter else:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter assert False, 'Unhandled state "%s" while entering element with name "%s"' % (self.state, name)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.state_stack.append(old_state)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.cur_object_stack.append(old_cur_object)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter def handle_end_element(self, name):
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.state = self.state_stack.pop()
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter self.cur_object = self.cur_object_stack.pop()
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walterdef parse_options():
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter parser = optparse.OptionParser("usage: %prog [options] introspect.xml ...")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter parser.set_description("sbus_codegen generates sbus interface structures \
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter from standard XML Introspect data.")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter parser.add_option("--mode",
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter dest="mode", default="header",
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter help="'header' or 'source' (default: header)",
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter metavar="MODE")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter parser.add_option("--output",
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter dest="output", default=None,
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter help="Set output file name (default: stdout)",
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter metavar="FILE")
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter parser.add_option("--include",
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter dest="include", default=None,
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter help="name of a header to #include",
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter metavar="HEADER")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter (options, args) = parser.parse_args()
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if not args:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter print >> sys.stderr, "sbus_codegen: no input file specified"
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter sys.exit(2)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if options.mode not in ["header", "source"]:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter print >> sys.stderr, "sbus_codegen: specify --mode=header or --mode=source"
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter return options, args
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walterdef main():
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter options, args = parse_options()
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if options.output:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter sys.stdout = buf = StringIO.StringIO()
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter for filename in args:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter parser = DBusXMLParser(filename)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if options.mode == "header":
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter generate_header(parser.parsed_interfaces, filename)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter elif options.mode == "source":
fcd8093c58638dc7c4f9cddfc97f273b94ce2eadStef Walter generate_source(parser.parsed_interfaces, filename, options.include)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter else:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter assert False, "should not be reached"
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter # Write output at end to be nice to 'make'
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter if options.output:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter output = open(options.output, "w")
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter output.write(buf.getvalue())
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter output.close()
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walterif __name__ == "__main__":
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter try:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter main()
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter except DBusXmlException, ex:
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter print >> sys.stderr, str(ex)
b699c4d7f85a5404be1d1ee9450331aea869b886Stef Walter sys.exit(1)