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#!/usr/bin/env python
from optparse import OptionParser
import os
import sys
class RawCode(object):
def __init__(self, name, attr=None, structors=None, subclass=None, includes=None):
self._attr = [] if not attr else attr
self._structors = False if not structors else structors
self._name = "W" + name
self._indent = " "
self._header = \
"""\
//---------------------------------------------------------------------------
//
// Project: OpenWalnut ( http://www.openwalnut.org )
//
// Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS
// For more information see http://www.openwalnut.org/copying
//
// This file is part of OpenWalnut.
//
// OpenWalnut 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 3 of the License, or
// (at your option) any later version.
//
// OpenWalnut 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 OpenWalnut. If not, see <http://www.gnu.org/licenses/>.
//
//---------------------------------------------------------------------------
"""
self._body = ""
self._footer = ""
self._subclass = "" if not subclass else subclass
self._includes = [] if not includes else includes
if os.environ['USER']:
self._author = os.environ['USER']
elif os.environ['LOGNAME']:
self._author = os.environ['LOGNAME']
else:
self._author = "Unkown"
self._doxy = "/**\n * TODO(" + self._author + "): Document this!\n */\n"
def renderHeader(self):
return self._header
def renderIncludes(self):
result = ""
for include in self._includes:
result += "#include " + include + "\n"
return result
def renderStructors(self):
return ""
def renderBody(self):
return self._body
def renderFooter(self):
return self._footer
def indent(self, level, str):
result = ""
for line in str.splitlines( True ):
if line.strip() == "":
# don't indent empty lines
result += line
else:
result += (level*self._indent) + line
return result
def signatures(self, accessor):
result = []
for attribute in self._attr:
sig = []
type = attribute[0]
name = attribute[1]
if( accessor == "get" ):
sig.append(type + " ")
sig.append("get" + name[0].upper() + name[1:] + "() const")
elif( accessor == "set" ):
sig.append("void ")
sig.append("set" + name[0].upper() + name[1:] + "( " + type + " " + name + " )")
else:
assert 1==0 and "No getter nor setter methode requested"
result.append(sig)
return result
def structor(self, type):
assert type == "con" or type == "de"
result = "~" if type == "de" else ""
result += self._name
return result
def __str__(self):
result = ""
result += self.renderHeader()
result += self.renderIncludes()
result += self.renderBody()
result += self.renderFooter()
return result
class HeaderCode(RawCode):
def __init__(self, name, attr=None, structors=None, subclass=None, includes=None):
RawCode.__init__(self, name, attr, structors, subclass, includes)
self._guard = self._name.upper() + "_H"
self._fname = self._name + ".h"
def renderHeader(self):
result = RawCode.renderHeader(self)
result += "#ifndef " + self._guard + "\n"
result += "#define " + self._guard + "\n\n"
return result
def renderStructors(self):
result = self.indent(1, self._doxy + self.structor("con") + "();\n\n")
result += self.indent(1, self._doxy + self.structor("de") + "();\n\n")
return result
def renderBody(self):
modifier_level = 0
member_level = 1
result = self.indent(0, self._doxy)
result += "class " + self._name
if self._subclass != "":
result += " : " + self._subclass
result += "\n"
result += "{\n"
result += self.indent(modifier_level, "public:\n")
if self._structors:
result += self.renderStructors()
result += self.indent(member_level, self.renderSignatures())
result += self.indent(modifier_level, "protected:\n")
result += self.indent(modifier_level, "private:\n")
result += self.indent(member_level, self.renderMemberVariables())
result += "};\n\n"
return result
def renderFooter(self):
return "#endif // " + self._guard + "\n"
def renderSignatures(self):
result = ""
for sig in self.signatures("get"):
result += self._doxy
result += ''.join(sig) + ";" + "\n\n"
for sig in self.signatures("set"):
result += self._doxy
result += ''.join(sig) + ";" + "\n\n"
return result
def renderMemberVariables(self):
result = ""
for attribute in self._attr:
result += self._doxy
result += attribute[0] + " m_" + attribute[1] + ";" + "\n\n";
return result
class ImplementationCode(RawCode):
def __init__(self, name, attr=None, structors=None, subclass=None, includes=None):
RawCode.__init__(self, name, attr, structors, subclass, includes)
self._includes.append("\"" + self._name + ".h\"\n")
self._fname = self._name + ".cpp"
def structor(self, type):
return self._name + "::" + RawCode.structor(self, type)
def renderStructors(self):
result = self.indent(0, self.structor("con") + "()\n{\n}\n\n")
result += self.indent(0, self.structor("de") + "()\n{\n}\n\n")
return result
def renderSignatures(self):
result = ""
for sig in self.signatures("get"):
result += sig[0] + self._name + "::" + sig[1] + "\n"
result += "{\n"
result += self.indent(1, "return m_" + sig[1][3].lower() + sig[1][4:-8]) + ";\n"
result += "}\n\n"
for sig in self.signatures("set"):
result += sig[0] + self._name + "::" + sig[1] + "\n"
result += "{\n"
result += self.indent(1, "m_" + sig[1].split()[-2] + " = " + sig[1].split()[-2] + ";\n")
result += "}\n\n"
return result
def renderBody(self):
member_level = 0
result = ""
if self._structors:
result += self.renderStructors()
result += self.renderSignatures()
return result
class TestCode(HeaderCode):
def __init__(self, name):
HeaderCode.__init__(self, name, [], structors=False)
self._guard = self._name.upper() + "_TEST_H"
self._fname = "test/" + self._name + "_test.h"
self._includes.append("<cxxtest/TestSuite.h>\n")
self._includes.append("\"../" + self._name + ".h\"\n")
def renderBody(self):
modifier_level = 0
member_level = 1
result = ""
result += self.indent(0, self._doxy)
result += "class " + self._name + "Test : public CxxTest::TestSuite\n"
result += "{\n"
result += self.indent(modifier_level, "public:\n")
result += self.indent(member_level, self._doxy + "void testSomething( void )\n{\n}\n")
result += "};\n\n"
return result
class ExceptionHeader(HeaderCode):
def __init__(self, name, structors=None):
HeaderCode.__init__(self, name,
structors=structors,
subclass="public std::logic_error",
includes=["<stdexcept>", "<string>\n"]
)
def renderStructors(self):
result = self.indent(1, self._doxy + self.structor("con") + "( const std::string &s = std::string() ) throw();\n\n")
result += self.indent(1, self._doxy + self.structor("de") + "();\n\n")
return result
class ExceptionImplementation(ImplementationCode):
def __init__(self, name, structors=None):
ImplementationCode.__init__(self, name,
structors=structors,
includes=["<stdexcept>", "<string>\n"]
)
def renderStructors(self):
result = self.indent(0, self.structor("con") + "( const std::string &s = std::string() ) throw()\n" + self._indent + ": std::logic_error( s )\n{\n}\n\n")
result += self.indent(0, self.structor("de") + "()\n{\n}\n\n")
return result
class ExceptionTest(TestCode):
def __init__(self, name):
TestCode.__init__(self, name)
def writeToFile( fname, payload ):
file = open(fname, 'w')
file.write( payload )
file.close()
def writeIfNotExists( code, nofile):
if os.path.exists( code._fname ):
sys.stderr.write("Error: file " + code._fname + " already exists.\n")
sys.exit(1)
else:
if nofile:
print str(code)
else:
if (code._fname.split("/")[0] == "test") and not os.path.exists( "test/"):
sys.stderr.write("Error: test dir does not exists for " + code._fname + "\n")
sys.exit(1)
writeToFile( code._fname, str(code) )
def main():
synopsis = "\n\t%prog [options] Classname"
synopsis += "\n\t%prog --help\n"
synopsis += "Example:"
synopsis += "\n\t%prog --class --header --member=int,plistId --member=SomeOtherClass,myMemeberVar SomeClass"
synopsis += "\n\nWARNING %prog automatically writes the code to the corresponding files if they not exist"
parser = OptionParser(usage=synopsis, version="%prog 0.0_pre_alpha (USE AT YOUR OWN RISK)")
parser.set_defaults(testsuite=False)
parser.set_defaults(cls=False)
parser.set_defaults(header=False)
parser.set_defaults(structors=False)
parser.add_option("-T","--test", action="store_true", help="Generates test stub", dest="testsuite")
parser.add_option("-C","--class", action="store_true", help="Generates class stub", dest="cls")
parser.add_option("-H","--header", action="store_true", help="Generates header stub", dest="header")
parser.add_option("-m","--member", action="append", help="Adds member to class with public getter and setter methods", dest="members", type="string", metavar="TYPE,NAME")
parser.add_option("-s","--structors", action="store_true", help="Adds default construtor and destructor.", dest="structors")
parser.add_option("-e","--exception", action="store_true", help="Generates class, header and test stub for an exception", dest="exception")
parser.add_option("--nofile", action="store_true", help="Writes all to stdout", dest="nofile")
(options, args) = parser.parse_args()
attributes = []
classname = ""
if options.members:
for m in options.members:
if len(m.split(',')) != 2:
parser.error("parsing option: '" + m + "'\nStrings defining type and name of the member are required and separated by a comma, e.g.: 'int,counter'")
elif (len(m.split(',')[0]) < 1) or (len(m.split(',')[1]) < 1):
parser.error("parsing option: '" + m + "'\nEmpty type or name string. Member definitions must have the form: type_string,name_string, e.g. 'int,counter'")
else:
attributes.append(m.split(','))
if len(args) != 1:
parser.error("Invalid number of arguments, Classname required")
else:
classname = args[0]
if not options.cls and not options.header and not options.testsuite and not options.exception:
parser.error("No code should be generated?, use at least one option: --class, --header or --test")
if options.exception and (options.header or options.cls or options.testsuite):
parser.error("To generate exception code is exceptional, hence, please don't use other generators like --class, --header or --test here")
if options.cls:
writeIfNotExists( ImplementationCode(classname, attributes, options.structors), options.nofile )
if options.header:
writeIfNotExists( HeaderCode(classname, attributes, options.structors), options.nofile )
if options.testsuite:
writeIfNotExists( TestCode(classname), options.nofile )
if options.exception:
writeIfNotExists( ExceptionHeader(classname, structors=options.structors), options.nofile )
writeIfNotExists( ExceptionImplementation(classname, structors=options.structors), options.nofile )
writeIfNotExists( ExceptionTest(classname), options.nofile )
if __name__ == '__main__':
main()
|
