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a/src/query/history.h |
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b/src/query/history.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 _HISTORY_H_INCLUDED_
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#ifndef _HISTORY_H_INCLUDED_
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#define _HISTORY_H_INCLUDED_
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#define _HISTORY_H_INCLUDED_
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/* @(#$Id: history.h,v 1.3 2006-01-30 11:15:28 dockes Exp $ (C) 2004 J.F.Dockes */
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/* @(#$Id: history.h,v 1.4 2006-09-11 09:08:44 dockes Exp $ (C) 2004 J.F.Dockes */
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/**
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* Dynamic configuration storage
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*
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* The term "history" is a misnomer as this code is now used to save
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* all dynamic parameters except those that are stored in the global
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* recollrc QT preferences file. Examples:
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* - History of documents selected for preview
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* - Active and inactive external databases (these should depend on the
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* configuration directory and cant be stored in recollrc).
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* - ...
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*
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* The storage is performed in a ConSimple file, with subkeys and
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* encodings which depend on the data stored.
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*
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*/
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#include <string>
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#include <string>
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#include <list>
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#include <list>
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#include <utility>
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#include <utility>
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#include "conftree.h"
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#include "conftree.h"
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/** Holder for data returned when querying history */
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#ifndef NO_NAMESPACES
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using namespace std;
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#endif
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class RclDHistoryEntry {
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class HistoryEntry {
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public:
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virtual bool decode(const string &value) = 0;
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virtual bool encode(string& value) = 0;
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virtual bool equal(const HistoryEntry &other) = 0;
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};
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/** Document history entry */
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class RclDHistoryEntry : public HistoryEntry {
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public:
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public:
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RclDHistoryEntry() : unixtime(0) {}
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RclDHistoryEntry() : unixtime(0) {}
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RclDHistoryEntry(long t, const string& f, const string& i)
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: unixtime(t), fn(f), ipath(i) {}
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virtual ~RclDHistoryEntry() {}
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virtual bool decode(const string &value);
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virtual bool encode(string& value);
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virtual bool equal(const HistoryEntry& other);
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long unixtime;
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long unixtime;
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string fn;
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string fn;
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string ipath;
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string ipath;
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};
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};
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/** String storage generic object */
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class RclSListEntry : public HistoryEntry {
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public:
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RclSListEntry() {}
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RclSListEntry(const string& v) : value(v) {}
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virtual ~RclSListEntry() {}
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virtual bool decode(const string &enc);
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virtual bool encode(string& enc);
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virtual bool equal(const HistoryEntry& other);
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string value;
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};
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/**
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/**
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* The documents history class. This is based on a ConfTree for no
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* The history class. This uses a ConfSimple for storage, and should be
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* imperative reason
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* renamed something like dynconf, as it is used to stored quite a few
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* things beyond doc history: all dynamic configuration parameters that are
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* not suitable for QT settings because they are specific to a RECOLL_CONFDIR
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*/
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*/
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class RclDHistory {
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class RclHistory {
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public:
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public:
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RclDHistory(const std::string &fn, unsigned int maxsize=1000);
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RclHistory(const string &fn, unsigned int maxsize=100)
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: m_mlen(maxsize), m_data(fn.c_str()) {}
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bool ok() {return m_data.getStatus() == ConfSimple::STATUS_RW;}
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bool ok() {return m_data.getStatus() == ConfSimple::STATUS_RW;}
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// Specific methods for history entries
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bool enterDocument(const std::string fn, const std::string ipath);
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bool enterDoc(const string fn, const string ipath);
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std::list<RclDHistoryEntry> getDocHistory();
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list<RclDHistoryEntry> getDocHistory();
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// Generic methods used for string lists, designated by the subkey value
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bool enterString(const string sk, const string value);
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list<string> getStringList(const string sk);
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bool eraseAll(const string& sk);
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private:
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private:
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bool decodeValue(const string &value, RclDHistoryEntry *e);
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unsigned int m_mlen;
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unsigned int m_mlen;
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ConfSimple m_data;
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ConfSimple m_data;
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bool insertNew(const string& sk, HistoryEntry &n, HistoryEntry &s);
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template<typename Tp> list<Tp> getHistory(const string& sk);
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};
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};
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template<typename Tp> list<Tp> RclHistory::getHistory(const string &sk)
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{
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list<Tp> mlist;
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Tp entry;
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list<string> names = m_data.getNames(sk);
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for (list<string>::const_iterator it = names.begin();
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it != names.end(); it++) {
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string value;
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if (m_data.get(*it, value, sk)) {
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if (!entry.decode(value))
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continue;
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mlist.push_front(entry);
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}
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}
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return mlist;
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}
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#endif /* _HISTORY_H_INCLUDED_ */
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#endif /* _HISTORY_H_INCLUDED_ */
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