Files
rippled/src/FieldNames.h
2012-10-04 17:01:57 -07:00

90 lines
2.3 KiB
C++

#ifndef __FIELDNAMES__
#define __FIELDNAMES__
#include <string>
#include <boost/thread/mutex.hpp>
#define FIELD_CODE(type, index) ((static_cast<int>(type) << 16) | index)
enum SerializedTypeID
{
// special types
STI_UNKNOWN = -2,
STI_DONE = -1,
STI_NOTPRESENT = 0,
#define TYPE(name, field, value) STI_##field = value,
#define FIELD(name, field, value)
#include "SerializeProto.h"
#undef TYPE
#undef FIELD
// high level types
STI_TRANSACTION = 10001,
STI_LEDGERENTRY = 10002,
STI_VALIDATION = 10003,
};
enum SOE_Flags
{
SOE_INVALID = -1,
SOE_REQUIRED = 0, // required
SOE_OPTIONAL = 1, // optional
};
class SField
{
public:
typedef const SField& ref;
typedef SField const * ptr;
protected:
static std::map<int, ptr> codeToField;
static boost::mutex mapMutex;
public:
const int fieldCode; // (type<<16)|index
const SerializedTypeID fieldType; // STI_*
const int fieldValue; // Code number for protocol
std::string fieldName;
SField(int fc, SerializedTypeID tid, int fv, const char* fn) :
fieldCode(fc), fieldType(tid), fieldValue(fv), fieldName(fn)
{ codeToField[fieldCode] = this; }
SField(SerializedTypeID tid, int fv, const char *fn, bool temporary) :
fieldCode(FIELD_CODE(tid, fv)), fieldType(tid), fieldValue(fv), fieldName(fn)
{ if (!temporary) codeToField[fieldCode] = this; }
SField(int fc) : fieldCode(fc), fieldType(STI_UNKNOWN), fieldValue(0) { ; }
static SField::ref getField(int fieldCode);
static SField::ref getField(int fieldType, int fieldValue);
static SField::ref getField(const std::string& fieldName);
static SField::ref getField(SerializedTypeID type, int value) { return getField(FIELD_CODE(type, value)); }
std::string getName() const;
bool hasName() const { return !fieldName.empty(); }
bool isGeneric() const { return fieldCode == 0; }
bool isInvalid() const { return fieldCode == -1; }
bool isKnown() const { return fieldType != STI_UNKNOWN; }
bool operator==(const SField& f) const { return fieldCode == f.fieldCode; }
bool operator!=(const SField& f) const { return fieldCode != f.fieldCode; }
static int compare(SField::ref f1, SField::ref f2);
};
extern SField sfInvalid, sfGeneric, sfLedgerEntry, sfTransaction, sfValidation;
#define FIELD(name, type, index) extern SField sf##name;
#define TYPE(name, type, index)
#include "SerializeProto.h"
#undef FIELD
#undef TYPE
#endif