/***************************************************************************
GenClientMethod.cpp - generate class with client methods
-------------------
begin : Sun May 28 2007
copyright : (C) 2002-2007 by Ewald Arnold
email : ulxmlrpcpp@ewald-arnold.de
$Id: GenClientMethod.cpp 1016 2007-07-22 15:03:44Z ewald-arnold $
***************************************************************************/
/**************************************************************************
*
* This program 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 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 Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
***************************************************************************/
#include "GenClientMethod.h"
#include <fstream>
#include <iostream>
#include <sys/stat.h>
GenerateClientMethods::GenerateClientMethods(const UlxrIdlClass &in_class)
: theClass(in_class)
{
theClass.resolveOverloaded();
}
void GenerateClientMethods::generate_H(const std::string &destdir, const std::string &name)
{
const std::string h_name = destdir + theClass.getBaseName() + "_ulxr_client.h";
std::ofstream h_file(h_name.c_str());
std::cout << "Header file will be created: " << h_name << std::endl;
generateHeaderHead(h_file, name + "UlxrClient");
generateHeaderClassHead(h_file, name);
generateHeaderMethods(h_file);
generateHeaderVariables(h_file);
generateHeaderTail(h_file, name + "UlxrClient");
}
void GenerateClientMethods::generate_CPP(const std::string &destdir, const std::string &name)
{
const std::string h_name = theClass.getBaseName() + "_ulxr_client.h";
const std::string cpp_name = destdir + theClass.getBaseName() + "_ulxr_client.cpp";
std::ofstream cpp_file(cpp_name.c_str());
std::cout << "Source file will be created: " << cpp_name << std::endl;
generateSourceHead(cpp_file, h_name);
generateSourceCtors(cpp_file, name);
generateSourceMethods(cpp_file);
}
void GenerateClientMethods::generate_CPP_USER(const std::string &destdir, const std::string &name)
{
const std::string h_name = theClass.getBaseName() + "_ulxr_client.h";
std::string cpp_name = destdir + theClass.getBaseName() + "_ulxr_client_user.cpp";
struct stat statbuf;
if (stat(cpp_name.c_str(), &statbuf) >= 0)
{
std::cout << "User file already exists: " << cpp_name << std::endl;
cpp_name += ".new";
std::cout << "New template will be created: " << cpp_name << std::endl;
}
std::ofstream cpp_file(cpp_name.c_str());
std::cout << "User file will be created: " << cpp_name << std::endl;
generateUserSourceHead(cpp_file, h_name);
cpp_file << "#include <ulxmlrpcpp/ulxr_response.h>\n";
cpp_file << "#include <ulxmlrpcpp/ulxr_requester.h>\n";
cpp_file << "#include <ulxmlrpcpp/ulxr_except.h>\n\n";
cpp_file << "#include \"" << name + "_ulxr_names.h" << "\"\n\n";
cpp_file << name << "Client::" << name << "Client\n"
<< " (ulxr::Requester &in_requester, const ulxr::CppString &realm,\n"
" const ulxr::CppString &user, const ulxr::CppString &pass)\n"
" : requester(in_requester)\n"
" , rpc_realm(realm)\n"
" , rpc_user(user)\n"
" , rpc_pass(pass)\n";
for (unsigned i = 0; i < theClass.numMethods(); ++i)
{
cpp_file << " , ";
Method method = theClass.getMethod(i);
method.extractNamespace();
cpp_file << "callTo_" << method.getOverloadName()
<< "(ULXR_CALLTO_" << method.getOverloadName(true, "", "_")
<< ") // mapped to: " << method.getCppString(0, true, "");
if (method.getName() != method.getOverloadName())
cpp_file << " (there are overloaded methods)";
cpp_file << "\n";
}
cpp_file << "{\n"
"}\n\n\n";
cpp_file << "ulxr::MethodResponse\n "
<< name << "Client::" << "sendCall(const ulxr::MethodCall &calldata) const\n"
<< "{\n"
<< " ulxr::MethodResponse resp = requester.call(calldata, rpc_realm, rpc_user, rpc_pass);\n"
<< "\n"
<< " if (!resp.isOK())\n"
<< " {\n"
<< " ulxr::Struct st = resp.getResult();\n"
<< " int ec = ulxr::Integer(st.getMember(ULXR_PCHAR(\"faultCode\"))).getInteger();\n"
<< " ulxr::CppString es = ulxr::RpcString(st.getMember(ULXR_PCHAR(\"faultString\"))).getString();\n"
<< " throw ulxr::RuntimeException(ec, es);\n"
<< " }\n"
<< "\n"
<< " return resp;\n"
<< "}\n\n\n";
cpp_file<< name << "Client::~" << name << "Client()\n"
<< "{\n"
<< "}\n\n\n";
}
void GenerateClientMethods::generate(const std::string &destdir, const std::string &name)
{
generate_NameDefines(destdir, theClass.getBaseName() , theClass.getAllMethods());
generate_H(destdir, name);
generate_CPP(destdir, name);
generate_CPP_USER(destdir, name);
}
void GenerateClientMethods::generateHeaderMethods(std::ostream & h_file)
{
for (unsigned i = 0; i < theClass.numMethods(); ++i)
{
Method method = theClass.getMethod(i);
method.extractNamespace();
h_file << " // mapped to " << method.getOverloadName();
if (method.getName() != method.getOverloadName())
h_file << " (there are overloaded methods)";
h_file << "\n " << method.getCppString(0, false, "") << "\n\n";
}
h_file << " virtual ~" << theClass.getBaseName() << "Client();\n\n";
h_file << " virtual ulxr::MethodResponse sendCall(const ulxr::MethodCall &calldata) const;\n\n";
}
void GenerateClientMethods::generateSourceCtors(std::ostream & cpp_file,
const std::string &name)
{
cpp_file << "#include <ulxmlrpcpp/ulxr_requester.h>\n\n";
// cpp_file << "#include \"" << theClass.getSource() << "\"\n\n\n";
}
void GenerateClientMethods::generateSourceMethods(std::ostream & cpp_file)
{
for (unsigned i = 0; i < theClass.numMethods(); ++i)
{
Method method = theClass.getMethod(i);
method.extractNamespace();
cpp_file << "// mapped to " << method.getOverloadName(true);
if (method.getName() != method.getOverloadName())
cpp_file << " (there are overloaded methods)";
cpp_file << "\n"
<< method.getCppString(0, true, "Client") << "\n"
<< "{\n";
cpp_file << " callTo_" << method.getOverloadName() << ".clear();\n";
for (unsigned iarg = 0; iarg < method.numArgs(); ++iarg)
{
std::string adap = method.getArg(iarg).getType().getInversTypeAdapter();
std::string adap2;
if (adap.length() != 0)
{
adap += "(";
adap2 = ")";
}
cpp_file << " callTo_" << method.getOverloadName() << ".addParam("
<< method.getArg(iarg).getType().getRpcName() << "(" << adap
<< method.getArg(iarg).getType().getTypeDereference() << method.getArg(iarg).getName()
<< adap2
<< "));\n";
}
bool have_retval = false;
if (method.getType().getName() != "void" || method.getType().getLeft() != "" || method.getType().getRight() != "")
have_retval = true;
if (have_retval)
cpp_file << " ulxr::MethodResponse resp = sendCall(callTo_" << method.getOverloadName() << ");\n";
else
cpp_file << " sendCall(callTo_" << method.getOverloadName() << ");\n";
if (have_retval)
{
std::string adap = method.getType().getTypeAdapter();
std::string adap2;
if (adap.length() != 0)
{
adap += "(";
adap2 = ")";
}
const bool reftype = method.getType().isReference();
const bool ptrtype = method.getType().isPointer();
if (reftype || ptrtype)
cpp_file << " ulxr_refFor_"
<< method.getOverloadName() << " = ";
else
cpp_file << " return ";
cpp_file << "(" << method.getType().getProxyType() << ") "
<< adap + method.getType().getRpcName() << "(resp.getResult())." << method.getType().getRpcAccessor()
<< "()" << adap2 << ";\n";
if (reftype)
cpp_file << " return ulxr_refFor_"
<< method.getOverloadName() << ";\n";
else if (ptrtype)
{
std::string acc = "&";
std::string acc2 = method.getType().getTypeAccessor();
if (acc2.length() != 0)
acc = "";
cpp_file << " return "
<< "(" << method.getType().getCppString() << ") "
<< acc << "ulxr_refFor_"
<< method.getOverloadName() << acc2 << ";\n";
}
}
cpp_file << "}\n\n\n";
}
}
void GenerateClientMethods::generateHeaderClassHead(std::ostream & h_file,
const std::string &name)
{
h_file<< "#include <ulxmlrpcpp/ulxr_call.h>\n\n"
<< "namespace ulxr\n"
<< "{\n"
<< " class Requester;\n"
<< " class MethodResponse;\n"
<< " class MethodCall;\n"
<< "}\n\n"
<< "class " << name << "Client\n"
<< "{\n"
<< " public:\n\n"
<< " " << name << "Client\n"
<< " (ulxr::Requester &requester, const ulxr::CppString &realm = ULXR_PCHAR(\"/RPC2\"),\n"
<< " const ulxr::CppString &user = ULXR_PCHAR(\"\"), const ulxr::CppString &pass = ULXR_PCHAR(\"\"));\n\n";
}
void GenerateClientMethods::generateHeaderVariables(std::ostream & h_file)
{
h_file << " private:\n\n";
h_file<< " ulxr::Requester &requester;\n";
h_file<< " ulxr::CppString rpc_realm;\n";
h_file<< " ulxr::CppString rpc_user;\n";
h_file<< " ulxr::CppString rpc_pass;\n\n";
for (unsigned i = 0; i < theClass.numMethods(); ++i)
{
Method method = theClass.getMethod(i);
method.extractNamespace();
const bool reftype = method.getType().isReference();
const bool ptrtype = method.getType().isPointer();
if (reftype || ptrtype)
h_file << " mutable " << method.getType().getProxyType() << " ulxr_refFor_" << method.getOverloadName() << ";\n";
}
for (unsigned i = 0; i < theClass.numMethods(); ++i)
{
if (i == 0)
h_file << "\n";
Method method = theClass.getMethod(i);
method.extractNamespace();
h_file << " mutable ulxr::MethodCall callTo_" << method.getOverloadName()
<< "; // mapped to: " << method.getCppString(0, true, "")
<< "\n";
}
}
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