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#include <iostream>
#include <stdexcept>
#include "xmlrpc-c/oldcppwrapper.hpp"
#include "DataType.hpp"
#include "XmlRpcFunction.hpp"
#include "XmlRpcClass.hpp"
#include "SystemProxy.hpp"
using namespace std;
#define NAME "xml-rpc-api2cpp"
#define VERSION "0.1"
//=========================================================================
// function get_class_info
//=========================================================================
// Connect to a remote server and extract the information we'll need to
// build a proxy class.
XmlRpcClass get_class_info (string server_url,
string class_prefix,
string class_name)
{
// Create a place to store our data.
XmlRpcClass info(class_name);
// Create a proxy class.
SystemProxy system(server_url);
// Fetch the full list of methods, and process the ones we want.
XmlRpcValue methods = system.listMethods();
size_t end = methods.arraySize();
for (size_t i = 0; i < end; i++) {
// Break the method name into two pieces.
string method_prefix;
string function_name;
string method_name = methods.arrayGetItem(i).getString();
size_t last_dot = method_name.rfind('.');
if (last_dot == string::npos) {
function_name = method_name;
} else {
method_prefix = string(method_name, 0, last_dot);
function_name = string(method_name, last_dot + 1);
}
// Decide whether we care about this function.
if (method_prefix == class_prefix) {
// Fetch some information about the function.
string help = system.methodHelp(method_name);
XmlRpcValue signature = system.methodSignature(method_name);
// Add this function to our class information.
XmlRpcFunction func(function_name, method_name, help, signature);
info.addFunction(func);
}
}
return info;
}
//=========================================================================
// function print_header
//=========================================================================
// Print a complete header for the specified class.
void print_header (ostream& out, XmlRpcClass& class_info) {
string class_name = class_info.className();
out << "// " << class_name << ".h - xmlrpc-c C++ proxy class" << endl;
out << "// Auto-generated by xml-rpc-api2cpp." << endl;
out << endl;
string header_symbol = "_" + class_name + "_H_";
out << "#ifndef " << header_symbol << endl;
out << "#define " << header_symbol << " 1" << endl;
out << endl;
out << "#include <XmlRpcCpp.h>" << endl;
out << endl;
class_info.printDeclaration(cout);
out << endl;
out << "#endif /* " << header_symbol << " */" << endl;
}
//=========================================================================
// function print_cc_file
//=========================================================================
// Print a complete header for the specified class.
void print_cc_file (ostream& out, XmlRpcClass& class_info) {
string class_name = class_info.className();
out << "// " << class_name << ".cc - xmlrpc-c C++ proxy class" << endl;
out << "// Auto-generated by xml-rpc-api2cpp." << endl;
out << endl;
out << "#include <XmlRpcCpp.h>" << endl;
out << "#include \"" << class_name << ".h\"" << endl;
class_info.printDefinition(cout);
}
//=========================================================================
// function main
//=========================================================================
// For now, just a test harness.
int main (int argc, char **argv) {
/* Parse our command-line arguments. */
if (argc != 4) {
cerr << argv[0] << ": Usage:" << endl
<< " xml-rpc-api2cpp <server_url> <method_prefix> <local_class>"
<< endl << endl
<< "Sample arguments:" << endl
<< " server_url = http://localhost/RPC2" << endl
<< " method_prefix = system" << endl
<< " local_class = SystemProxy" << endl;
exit(1);
}
string server_url = argv[1];
string method_prefix = argv[2];
string local_class = argv[3];
int status = 0;
XmlRpcClient::Initialize(NAME, VERSION);
try {
XmlRpcClass system = get_class_info(server_url,
method_prefix,
local_class);
print_header(cout, system);
cout << endl;
print_cc_file(cout, system);
} catch (XmlRpcFault& fault) {
cerr << argv[0] << ": XML-RPC fault #" << fault.getFaultCode()
<< ": " << fault.getFaultString() << endl;
status = 1;
} catch (logic_error& err) {
cerr << argv[0] << ": " << err.what() << endl;
status = 1;
} catch (...) {
cerr << argv[0] << ": Unknown exception" << endl;
status = 1;
}
XmlRpcClient::Terminate();
return status;
}
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