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a/src/query/docseq.h |
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b/src/query/docseq.h |
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* Free Software Foundation, Inc.,
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* Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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*/
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#ifndef _DOCSEQ_H_INCLUDED_
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#ifndef _DOCSEQ_H_INCLUDED_
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#define _DOCSEQ_H_INCLUDED_
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#define _DOCSEQ_H_INCLUDED_
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/* @(#$Id: docseq.h,v 1.8 2006-09-11 09:08:44 dockes Exp $ (C) 2004 J.F.Dockes */
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/* @(#$Id: docseq.h,v 1.9 2006-09-13 14:57:56 dockes Exp $ (C) 2004 J.F.Dockes */
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#include <string>
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#include <list>
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#ifndef NO_NAMESPACES
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using std::string;
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using std::list;
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#endif
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#include "rcldb.h"
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#include "rcldb.h"
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#include "history.h"
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#include "history.h"
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/** Interface for a list of documents coming from some source.
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/** Interface for a list of documents coming from some source.
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The result list display data may come from different sources (ie:
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The result list display data may come from different sources (ie:
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history or Db query). We have an interface to make things cleaner.
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history or Db query). We have an interface to make things cleaner.
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*/
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*/
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class DocSequence {
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class DocSequence {
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public:
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public:
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DocSequence(const std::string &t) : m_title(t) {}
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DocSequence(const string &t) : m_title(t) {}
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virtual ~DocSequence() {}
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virtual ~DocSequence() {}
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/** Get document at given rank
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/** Get document at given rank
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*
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*
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* @param num document rank in sequence
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* @param num document rank in sequence
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* @param doc return data
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* @param doc return data
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* @return true if ok, false for error or end of data
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* @return true if ok, false for error or end of data
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*/
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*/
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virtual bool getDoc(int num, Rcl::Doc &doc, int *percent, string *sh = 0)
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virtual bool getDoc(int num, Rcl::Doc &doc, int *percent, string *sh = 0)
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= 0;
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= 0;
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virtual int getResCnt() = 0;
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virtual int getResCnt() = 0;
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virtual std::string title() {return m_title;}
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virtual string title() {return m_title;}
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virtual void getTerms(list<string>& t) {t.clear();}
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private:
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private:
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std::string m_title;
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string m_title;
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};
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};
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/** A DocSequence from a Db query (there should be one active for this
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/** A DocSequence from a Db query (there should be one active for this
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to make sense */
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to make sense */
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class DocSequenceDb : public DocSequence {
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class DocSequenceDb : public DocSequence {
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public:
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public:
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DocSequenceDb(Rcl::Db *d, const std::string &t) :
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DocSequenceDb(Rcl::Db *d, const string &t) :
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DocSequence(t), m_db(d), m_rescnt(-1)
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DocSequence(t), m_db(d), m_rescnt(-1)
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{}
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{}
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virtual ~DocSequenceDb() {}
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virtual ~DocSequenceDb() {}
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virtual bool getDoc(int num, Rcl::Doc &doc, int *percent, string * = 0);
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virtual bool getDoc(int num, Rcl::Doc &doc, int *percent, string * = 0);
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virtual int getResCnt();
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virtual int getResCnt();
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virtual void getTerms(list<string>&);
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private:
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private:
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Rcl::Db *m_db;
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Rcl::Db *m_db;
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int m_rescnt;
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int m_rescnt;
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};
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};
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/** A DocSequence coming from the history file */
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/** A DocSequence coming from the history file */
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class DocSequenceHistory : public DocSequence {
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class DocSequenceHistory : public DocSequence {
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public:
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public:
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DocSequenceHistory(Rcl::Db *d, RclHistory *h, const std::string &t)
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DocSequenceHistory(Rcl::Db *d, RclHistory *h, const string &t)
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: DocSequence(t), m_db(d), m_hist(h), m_prevnum(-1), m_prevtime(-1) {}
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: DocSequence(t), m_db(d), m_hist(h), m_prevnum(-1), m_prevtime(-1) {}
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virtual ~DocSequenceHistory() {}
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virtual ~DocSequenceHistory() {}
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virtual bool getDoc(int num, Rcl::Doc &doc, int *percent, string *sh = 0);
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virtual bool getDoc(int num, Rcl::Doc &doc, int *percent, string *sh = 0);
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virtual int getResCnt();
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virtual int getResCnt();
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Rcl::Db *m_db;
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Rcl::Db *m_db;
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RclHistory *m_hist;
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RclHistory *m_hist;
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int m_prevnum;
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int m_prevnum;
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long m_prevtime;
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long m_prevtime;
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std::list<RclDHistoryEntry> m_hlist;
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list<RclDHistoryEntry> m_hlist;
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std::list<RclDHistoryEntry>::const_iterator m_it;
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list<RclDHistoryEntry>::const_iterator m_it;
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};
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};
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#endif /* _DOCSEQ_H_INCLUDED_ */
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#endif /* _DOCSEQ_H_INCLUDED_ */
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