#ifndef _DOCSEQ_H_INCLUDED_
#define _DOCSEQ_H_INCLUDED_
/* @(#$Id: docseq.h,v 1.2 2005-11-28 15:31:01 dockes Exp $ (C) 2004 J.F.Dockes */
#include "rcldb.h"
#include "history.h"
/** Interface for a list of documents coming from some source.
The result list display data may come from different sources (ie:
history or Db query). We have an interface to make things cleaner.
*/
class DocSequence {
public:
virtual bool getDoc(int num, Rcl::Doc &doc, int *percent, string *sh = 0)
= 0;
virtual int getResCnt() = 0;
virtual std::string title() = 0;
};
/** A DocSequence from a Db query (there should be one active for this
to make sense */
class DocSequenceDb : public DocSequence {
public:
DocSequenceDb(Rcl::Db *d) : db(d) {}
virtual ~DocSequenceDb() {}
virtual bool getDoc(int num, Rcl::Doc &doc, int *percent, string * = 0);
virtual int getResCnt();
virtual std::string title() {return string("Query results");}
private:
Rcl::Db *db;
};
/** A DocSequence coming from the history file */
class DocSequenceHistory : public DocSequence {
public:
DocSequenceHistory(Rcl::Db *d, RclDHistory *h)
: db(d), hist(h), prevnum(-1), prevtime(-1) {}
virtual ~DocSequenceHistory() {}
virtual bool getDoc(int num, Rcl::Doc &doc, int *percent, string *sh = 0);
virtual int getResCnt();
virtual std::string title() {return string("Document history");}
private:
Rcl::Db *db;
RclDHistory *hist;
int prevnum;
long prevtime;
std::list<RclDHistoryEntry> hlist;
std::list<RclDHistoryEntry>::const_iterator it;
};
#endif /* _DOCSEQ_H_INCLUDED_ */