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sdeftoc.py    256 lines (215 with data), 8.5 kB

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#!/usr/bin/env python
from __future__ import print_function
'''Turn a UPnP service definition XML file into a C++ device-side
service skeleton based on libupnpp'''
import sys
import os
import xml.sax.handler
cprolog_text = \
'''/* Copyright (C) 2016 J.F.Dockes
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "%s"
#include <upnp/upnp.h>
#include <functional>
#include <iostream>
#include <map>
#include <utility>
#include "libupnpp/log.hxx"
#include "libupnpp/soaphelp.hxx"
#include "libupnpp/device/device.hxx"
using namespace std;
using namespace std::placeholders;
'''
hprolog_text = \
'''/* Copyright (C) 2016 J.F.Dockes
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _%s_H_INCLUDED_
#define _%s_H_INCLUDED_
#include <string>
#include <vector>
#include "libupnpp/device/device.hxx"
#include "libupnpp/soaphelp.hxx"
using namespace UPnPP;
'''
def back(l):
return l[len(l)-1]
def stripsuff(s):
dotpos = s.rfind('.')
if dotpos != -1:
s = s[:dotpos]
return s
class MyHandler(xml.sax.handler.ContentHandler):
def __init__(self, classname, cfn, hfn):
self.classname = classname
self.cfn = cfn
self.hfn = hfn
self.elstack = []
self.chardata = u""
self.attrs = {}
self.inargs = []
self.outargs = []
self.actions = []
self.statevars = {}
self.cprolog = cprolog_text % os.path.basename(hfn)
self.cprolog += 'static const string sTp%s("urn:XXX:1");\n' % classname
self.cprolog += 'static const string sId%s("urn:XXX");\n\n' % classname
self.cprolog += '%s::%s(UPnPProvider::UpnpDevice *dev)\n' % \
(classname, classname)
self.cprolog += ' : UpnpService(sTp%s, sId%s, dev)\n' % \
(classname, classname)
self.cprolog += '{\n'
uh = stripsuff(os.path.basename(hfn)).upper()
self.hprolog = hprolog_text % (uh, uh)
self.hprolog += 'class %s : public UPnPProvider::UpnpService {\n' % classname
self.hprolog += 'public:\n'
self.hprolog += ' %s(UPnPProvider::UpnpDevice *dev);\n\n' % classname
self.hprolog += 'private:\n'
def setDocumentLocator(self, locator):
self.locator = locator
def startElement(self, name, attrs):
self.attrs = attrs
if name == 'stateVariable':
self.stvarev = False
self.stvarallow = []
if 'sendEvents' in attrs and attrs['sendEvents'] == 'yes':
self.stvarev = True
self.elstack.append(name)
def endElement(self, name):
self.elstack.pop()
chardata = self.chardata.strip()
self.chardata = u""
if name == 'action':
self.actions.append([self.actionname, self.inargs, self.outargs])
self.inargs = []
self.outargs = []
elif name == 'stateVariable':
self.statevars[self.stvarname] = [self.stvartype, self.stvarev, \
self.stvarallow]
self.stvartype = u''
self.stvarev = False
self.stvarallow = []
elif name == 'name':
if back(self.elstack) == 'action':
self.actionname = chardata
elif back(self.elstack) == 'argument':
self.argname = chardata
elif back(self.elstack) == 'stateVariable':
self.stvarname = chardata
elif name == 'dataType':
self.stvartype = chardata
elif name == 'allowedValue':
self.stvarallow.append(chardata)
elif name == 'sendEventsAttribute' and chardata == 'yes':
self.stvarev = True
elif name == 'direction':
self.argdir = chardata
elif name == 'relatedStateVariable':
self.relvar = chardata
elif name == 'argument':
if self.argdir == 'in':
self.inargs.append([self.argname, self.relvar])
else:
self.outargs.append([self.argname, self.relvar])
self.argname = u''
self.argdir = u''
self.relvar = u''
def characters(self, chars):
self.chardata += chars
def actionMethodText(self, actname, inargs, outargs):
methname = "%s::act%s" % (self.classname, actname)
txt = u''
txt += "int %s(const SoapIncoming& sc, SoapOutgoing& data)\n"\
% methname
txt += "{\n"
if len(inargs) != 0:
txt += " bool ok = false;\n"
for arg in inargs:
relvar = arg[1]
if relvar in self.statevars:
atype = self.statevars[relvar][0]
else:
atype = 'string'
if atype == 'string':
txt += ' std::string in_%s;\n' % arg[0]
elif atype == 'boolean':
txt += ' bool in_%s;\n' % arg[0]
else:
txt += ' int in_%s;\n' % arg[0]
txt += ' ok = sc.get("%s", &in_%s);\n' % (arg[0], arg[0])
txt += ' if (!ok) {\n'
txt += ' LOGERR("%s: no %s in params\\n");\n' %\
(methname, arg[0])
txt += ' return UPNP_E_INVALID_PARAM;\n'
txt += ' }\n'
txt += "\n"
txt += ' LOGDEB("%s: "' % methname
for arg in inargs:
txt += ' << " %s " << in_%s' % (arg[0], arg[0])
txt += ' << endl);\n\n'
for arg in outargs:
txt += ' std::string out_%s;\n' % arg[0]
for arg in outargs:
txt += ' data.addarg("%s", out_%s);\n' % (arg[0], arg[0])
txt += " return UPNP_E_SUCCESS;\n"
txt += "}\n\n"
return txt
def endDocument(self):
act_text = u''
for act in self.actions:
self.cprolog += ' dev->addActionMapping(\n'
self.cprolog += ' this, "%s",\n'% act[0]
self.cprolog += ' bind(&%s::act%s, this, _1, _2));\n' % \
(self.classname, act[0])
act_text += self.actionMethodText(act[0], act[1], act[2])
self.cprolog += '}\n\n'
f = open(self.cfn, "w")
print(self.cprolog, file = f)
print(act_text, file = f)
f.close()
f = open(self.hfn, "w")
for nm in self.actions:
self.hprolog += ' int act%s(const SoapIncoming& sc, SoapOutgoing& data);\n' % nm[0]
self.hprolog += '};\n'
self.hprolog += '#endif\n'
print(self.hprolog, file = f)
f.close
def Usage():
print("Usage: %s xmlfilename cfn hfn" % os.path.basename(sys.argv[0]), file=sys.stderr)
sys.exit(1)
if len(sys.argv) != 4:
Usage()
inputname = sys.argv[1]
cfn = sys.argv[2]
hfn = sys.argv[3]
classname = stripsuff(os.path.basename(inputname))
handler = MyHandler(classname, cfn, hfn)
parser = xml.sax.make_parser()
xml.sax.parse(inputname, handler)