135 lines
4.2 KiB
C++
135 lines
4.2 KiB
C++
/*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the
|
|
* Free Software Foundation, Inc.,
|
|
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*/
|
|
#ifndef _HISTORY_H_INCLUDED_
|
|
#define _HISTORY_H_INCLUDED_
|
|
/* @(#$Id: history.h,v 1.7 2007-06-20 13:16:11 dockes Exp $ (C) 2004 J.F.Dockes */
|
|
|
|
/**
|
|
* Dynamic configuration storage
|
|
*
|
|
* The term "history" is a misnomer as this code is now used to save
|
|
* all dynamic parameters except those that are stored in the global
|
|
* recollrc QT preferences file. Examples:
|
|
* - History of documents selected for preview
|
|
* - Active and inactive external databases (these should depend on the
|
|
* configuration directory and cant be stored in recollrc).
|
|
* - ...
|
|
*
|
|
* The storage is performed in a ConSimple file, with subkeys and
|
|
* encodings which depend on the data stored.
|
|
*
|
|
*/
|
|
|
|
#include <string>
|
|
#include <list>
|
|
#include <utility>
|
|
|
|
#include "conftree.h"
|
|
|
|
#ifndef NO_NAMESPACES
|
|
using namespace std;
|
|
#endif
|
|
|
|
class HistoryEntry {
|
|
public:
|
|
virtual ~HistoryEntry() {}
|
|
virtual bool decode(const string &value) = 0;
|
|
virtual bool encode(string& value) = 0;
|
|
virtual bool equal(const HistoryEntry &other) = 0;
|
|
};
|
|
|
|
|
|
/** Document history entry */
|
|
class RclDHistoryEntry : public HistoryEntry {
|
|
public:
|
|
RclDHistoryEntry() : unixtime(0) {}
|
|
RclDHistoryEntry(long t, const string& f, const string& i)
|
|
: unixtime(t), fn(f), ipath(i) {}
|
|
virtual ~RclDHistoryEntry() {}
|
|
virtual bool decode(const string &value);
|
|
virtual bool encode(string& value);
|
|
virtual bool equal(const HistoryEntry& other);
|
|
long unixtime;
|
|
string fn;
|
|
string ipath;
|
|
};
|
|
|
|
|
|
/** String storage generic object */
|
|
class RclSListEntry : public HistoryEntry {
|
|
public:
|
|
RclSListEntry() {}
|
|
RclSListEntry(const string& v) : value(v) {}
|
|
virtual ~RclSListEntry() {}
|
|
virtual bool decode(const string &enc);
|
|
virtual bool encode(string& enc);
|
|
virtual bool equal(const HistoryEntry& other);
|
|
|
|
string value;
|
|
};
|
|
|
|
/**
|
|
* The history class. This uses a ConfSimple for storage, and should be
|
|
* renamed something like dynconf, as it is used to stored quite a few
|
|
* things beyond doc history: all dynamic configuration parameters that are
|
|
* not suitable for QT settings because they are specific to a RECOLL_CONFDIR
|
|
*/
|
|
class RclHistory {
|
|
public:
|
|
RclHistory(const string &fn, unsigned int maxsize=100)
|
|
: m_mlen(maxsize), m_data(fn.c_str()) {}
|
|
bool ok() {return m_data.getStatus() == ConfSimple::STATUS_RW;}
|
|
|
|
// Specific methods for history entries. These are for convenience, they
|
|
// just call regular methods with key RclHistory::docSubkey;
|
|
bool enterDoc(const string fn, const string ipath);
|
|
list<RclDHistoryEntry> getDocHistory();
|
|
|
|
// Generic methods used for string lists, designated by the subkey value
|
|
bool enterString(const string sk, const string value);
|
|
list<string> getStringList(const string sk);
|
|
bool eraseAll(const string& sk);
|
|
bool truncate(const string& sk, unsigned int n);
|
|
|
|
static string docSubkey;
|
|
|
|
private:
|
|
unsigned int m_mlen;
|
|
ConfSimple m_data;
|
|
bool insertNew(const string& sk, HistoryEntry &n, HistoryEntry &s);
|
|
template<typename Tp> list<Tp> getHistory(const string& sk);
|
|
};
|
|
|
|
template<typename Tp> list<Tp> RclHistory::getHistory(const string &sk)
|
|
{
|
|
list<Tp> mlist;
|
|
Tp entry;
|
|
list<string> names = m_data.getNames(sk);
|
|
for (list<string>::const_iterator it = names.begin();
|
|
it != names.end(); it++) {
|
|
string value;
|
|
if (m_data.get(*it, value, sk)) {
|
|
if (!entry.decode(value))
|
|
continue;
|
|
mlist.push_front(entry);
|
|
}
|
|
}
|
|
return mlist;
|
|
}
|
|
|
|
#endif /* _HISTORY_H_INCLUDED_ */
|