mirror of https://github.com/status-im/consul.git
88 lines
2.2 KiB
C++
88 lines
2.2 KiB
C++
#ifndef _VALIDATE_H
|
|
#define _VALIDATE_H
|
|
|
|
#include <functional>
|
|
#include <stdexcept>
|
|
#include <string>
|
|
#include <typeinfo>
|
|
|
|
#include <google/protobuf/message.h>
|
|
#include <google/protobuf/util/time_util.h>
|
|
|
|
// It looks like one of the above protobuf headers includes windows.h. This
|
|
// causes GetMessage to be defined to GetMessageA or GetMessageW, interfering
|
|
// with the protobuf code
|
|
#if defined(WIN32) && defined(GetMessage)
|
|
#undef GetMessage
|
|
#endif
|
|
|
|
namespace pgv {
|
|
using std::string;
|
|
|
|
namespace protobuf = google::protobuf;
|
|
namespace protobuf_wkt = google::protobuf;
|
|
|
|
class UnimplementedException : public std::runtime_error {
|
|
public:
|
|
UnimplementedException() : std::runtime_error("not yet implemented") {}
|
|
// Thrown by C++ validation code that is not yet implemented.
|
|
};
|
|
|
|
using ValidationMsg = std::string;
|
|
|
|
class BaseValidator {
|
|
protected:
|
|
static std::map<size_t, BaseValidator*> validators;
|
|
};
|
|
|
|
#if !defined(WIN32)
|
|
std::map<size_t, BaseValidator*> __attribute__((weak)) BaseValidator::validators;
|
|
#else
|
|
__declspec(selectany) std::map<size_t, BaseValidator*> BaseValidator::validators;
|
|
#endif
|
|
|
|
template <typename T>
|
|
class Validator : public BaseValidator {
|
|
public:
|
|
Validator(std::function<bool(const T&, ValidationMsg*)> check) : check_(check)
|
|
{
|
|
validators[typeid(T).hash_code()] = this;
|
|
}
|
|
|
|
static bool CheckMessage(const T& m, ValidationMsg* err)
|
|
{
|
|
auto val = static_cast<Validator<T>*>(validators[typeid(T).hash_code()]);
|
|
if (val) {
|
|
return val->check_(m, err);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
private:
|
|
std::function<bool(const T&, ValidationMsg*)> check_;
|
|
};
|
|
|
|
static inline std::string String(const ValidationMsg& msg)
|
|
{
|
|
return std::string(msg);
|
|
}
|
|
|
|
static inline bool IsPrefix(const string& maybe_prefix, const string& search_in)
|
|
{
|
|
return search_in.compare(0, maybe_prefix.size(), maybe_prefix) == 0;
|
|
}
|
|
|
|
static inline bool IsSuffix(const string& maybe_suffix, const string& search_in)
|
|
{
|
|
return maybe_suffix.size() <= search_in.size() && search_in.compare(search_in.size() - maybe_suffix.size(), maybe_suffix.size(), maybe_suffix) == 0;
|
|
}
|
|
|
|
static inline bool Contains(const string& search_in, const string& to_find)
|
|
{
|
|
return search_in.find(to_find) != string::npos;
|
|
}
|
|
|
|
} // namespace pgv
|
|
|
|
#endif // _VALIDATE_H
|