spicetools/api/module.h

68 lines
1.8 KiB
C++

#pragma once
#include <functional>
#include <map>
#include <string>
#include <sstream>
#include <external/robin_hood.h>
#include "response.h"
#include "request.h"
namespace api {
// logging setting
extern bool LOGGING;
// callback
typedef std::function<void(Request &, Response &)> ModuleFunctionCallback;
class Module {
protected:
// map of available functions
robin_hood::unordered_map<std::string, ModuleFunctionCallback> functions;
// default constructor
explicit Module(std::string name, bool password_force=false);
public:
// virtual deconstructor
virtual ~Module() = default;
// name of the module (should match namespace)
std::string name;
bool password_force;
// the magic
void handle(Request &req, Response &res);
/*
* Error definitions.
*/
void error(Response &res, std::string err);
void error_type(Response &res, const std::string &field, const std::string &type) {
std::ostringstream s;
s << field << " must be a " << type;
error(res, s.str());
};
void error_size(Response &res, const std::string &field, size_t size) {
std::ostringstream s;
s << field << " must be of size " << size;
error(res, s.str());
}
void error_unknown(Response &res, const std::string &field, const std::string &name) {
std::ostringstream s;
s << "Unknown " << field << ": " << name;
error(res, s.str());
}
#define ERR(name, err) void error_##name(Response &res) { error(res, err); }
ERR(function_unknown, "Unknown function.");
ERR(params_insufficient, "Insufficient number of parameters.");
#undef ERR
};
}