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#ifndef INTERFACE_H
#define INTERFACE_H
#include <string>
#include <set>
#include <boost/lexical_cast.hpp>
#include "math.h"
// filters to select which objects/variables (not) to select
typedef std::set<int> IfObjectFilter;
typedef std::set<std::string> IfElementFilter;
// interface-class .. holds long-time stuff for reflecting on a per class (template), per file (instance) and per direction (class) basis
template<class T>
class InputInterface {
public:
// A. the methods you want to call
// creation
InputInterface<T>(int fd, bool binary, IfObjectFilter ifo, IfElementFilter ife);
bool readEntireFile();
bool readFileUntil(double time);
double peekNextTime(); // read a line ahead (if possible) and check at what time it occurs
// B. internal state
bool binary;
int fd;
std::string buf;
size_t rpos, npos, wpos;
static const size_t buf_size = 32768;
bool eof;
IfObjectFilter ifo;
IfElementFilter ife;
// C. internal functions
bool garantueeBuf(size_t size); // returns only after wpos - rpos >= size, but reads as much as possible without blocking
bool garantueeLine();
template<class Tval> bool bufRead(Tval &val, bool proccedRPos);
};
template<class T>
class OutputInterface {
public:
OutputInterface<T>(int fd, bool binary, IfObjectFilter *ifo, IfElementFilter *ife);
bool pushObject(T *o); // serialize one object
bool pushClass(); // serialize the entire class (selective by filter)
bool isContained(typename T::id_type id);
// internal state
int fd;
std::string buf;
bool binary;
IfObjectFilter *ifo;
IfElementFilter *ife;
// internal functions
template<class Tval> bool bufWrite(Tval &val);
};
#endif // INTERFACE_H
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