162 lines
4.4 KiB
C++
162 lines
4.4 KiB
C++
#ifndef lint
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static char rcsid[] = "@(#$Id: docseqhist.cpp,v 1.4 2008-09-29 08:59:20 dockes Exp $ (C) 2005 J.F.Dockes";
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#endif
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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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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*/
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#include <math.h>
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#include <time.h>
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#include <cmath>
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#include "docseqhist.h"
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#include "rcldb.h"
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#include "fileudi.h"
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#include "internfile.h"
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#include "base64.h"
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#include "debuglog.h"
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#include "smallut.h"
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// Encode document history entry:
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// U + Unix time + base64 of udi
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// The U distinguishes udi-based entries from older fn+ipath ones
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bool RclDHistoryEntry::encode(string& value)
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{
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char chartime[20];
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sprintf(chartime, "%ld", unixtime);
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string budi;
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base64_encode(udi, budi);
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value = string("U ") + string(chartime) + " " + budi;
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return true;
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}
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// Decode. We support historical entries which were like "time b64fn [b64ipath]"
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// Current entry format is "U time b64udi"
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bool RclDHistoryEntry::decode(const string &value)
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{
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list<string> vall;
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stringToStrings(value, vall);
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list<string>::const_iterator it = vall.begin();
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udi.erase();
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string fn, ipath;
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switch (vall.size()) {
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case 2:
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// Old fn+ipath, null ipath case
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unixtime = atol((*it++).c_str());
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base64_decode(*it++, fn);
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break;
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case 3:
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if (!it->compare("U")) {
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// New udi-based entry
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it++;
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unixtime = atol((*it++).c_str());
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base64_decode(*it++, udi);
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} else {
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// Old fn + ipath. We happen to know how to build an udi
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unixtime = atol((*it++).c_str());
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base64_decode(*it++, fn);
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base64_decode(*it, ipath);
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}
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break;
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default:
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return false;
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}
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if (!fn.empty()) {
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// Old style entry found, make an udi, using the fs udi maker
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make_udi(fn, ipath, udi);
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}
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LOGDEB1(("RclDHistoryEntry::decode: udi [%s]\n", udi.c_str()));
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return true;
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}
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bool RclDHistoryEntry::equal(const DynConfEntry& other)
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{
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const RclDHistoryEntry& e = dynamic_cast<const RclDHistoryEntry&>(other);
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return e.udi == udi;
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}
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bool historyEnterDoc(RclDynConf *dncf, const string& udi)
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{
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LOGDEB1(("historyEnterDoc: [%s] into %s\n",
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udi.c_str(), dncf->getFilename().c_str()));
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RclDHistoryEntry ne(time(0), udi);
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RclDHistoryEntry scratch;
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return dncf->insertNew(docHistSubKey, ne, scratch, 200);
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}
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list<RclDHistoryEntry> getDocHistory(RclDynConf* dncf)
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{
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return dncf->getList<RclDHistoryEntry>(docHistSubKey);
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}
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bool DocSequenceHistory::getDoc(int num, Rcl::Doc &doc, string *sh)
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{
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// Retrieve history list
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if (!m_hist)
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return false;
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if (m_hlist.empty())
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m_hlist = getDocHistory(m_hist);
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if (num < 0 || num >= (int)m_hlist.size())
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return false;
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int skip;
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if (m_prevnum >= 0 && num >= m_prevnum) {
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skip = num - m_prevnum;
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} else {
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skip = num;
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m_it = m_hlist.begin();
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m_prevtime = -1;
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}
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m_prevnum = num;
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while (skip--)
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m_it++;
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if (sh) {
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if (m_prevtime < 0 ||
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abs (float(m_prevtime) - float(m_it->unixtime)) > 86400) {
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m_prevtime = m_it->unixtime;
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time_t t = (time_t)(m_it->unixtime);
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*sh = string(ctime(&t));
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// Get rid of the final \n in ctime
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sh->erase(sh->length()-1);
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} else
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sh->erase();
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}
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bool ret = m_db->getDoc(m_it->udi, doc);
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if (!ret) {
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doc.url = "UNKNOWN";
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doc.ipath = "";
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}
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return ret;
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}
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bool DocSequenceHistory::getEnclosing(Rcl::Doc& doc, Rcl::Doc& pdoc)
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{
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string udi;
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if (!FileInterner::getEnclosing(doc.url, doc.ipath, pdoc.url, pdoc.ipath,
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udi))
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return false;
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return m_db->getDoc(udi, pdoc);
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}
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int DocSequenceHistory::getResCnt()
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{
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if (m_hlist.empty())
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m_hlist = getDocHistory(m_hist);
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return m_hlist.size();
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}
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