/* Copyright (C) 2005 J.F.Dockes
* 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.
*/
#include <math.h>
#include <time.h>
#include <list>
using std::list;
#include "docseqdb.h"
#include "rcldb.h"
#include "debuglog.h"
#include "internfile.h"
#include "wasatorcl.h"
DocSequenceDb::DocSequenceDb(RefCntr<Rcl::Query> q, const string &t,
RefCntr<Rcl::SearchData> sdata)
: DocSequence(t), m_q(q), m_sdata(sdata), m_fsdata(sdata),
m_rescnt(-1),
m_queryBuildAbstract(true),
m_queryReplaceAbstract(false),
m_isFiltered(false),
m_isSorted(false),
m_needSetQuery(false),
m_lastSQStatus(true)
{
}
DocSequenceDb::~DocSequenceDb()
{
}
void DocSequenceDb::getTerms(HighlightData& hld)
{
m_fsdata->getTerms(hld);
}
string DocSequenceDb::getDescription()
{
return m_fsdata->getDescription();
}
bool DocSequenceDb::getDoc(int num, Rcl::Doc &doc, string *sh)
{
if (!setQuery())
return false;
if (sh) sh->erase();
return m_q->getDoc(num, doc);
}
int DocSequenceDb::getResCnt()
{
if (!setQuery())
return false;
if (m_rescnt < 0) {
m_rescnt= m_q->getResCnt();
}
return m_rescnt;
}
static const string cstr_mre("[...]");
// This one only gets called to fill-up the snippets window
// We ignore most abstract/snippets preferences.
bool DocSequenceDb::getAbstract(Rcl::Doc &doc, vector<Rcl::Snippet>& vpabs)
{
LOGDEB(("DocSequenceDb::getAbstract/pair\n"));
if (!setQuery())
return false;
// Have to put the limit somewhere.
int maxoccs = 1000;
int ret = Rcl::ABSRES_ERROR;
if (m_q->whatDb()) {
ret = m_q->makeDocAbstract(doc, vpabs, maxoccs,
m_q->whatDb()->getAbsCtxLen()+ 2);
}
LOGDEB(("DocSequenceDb::getAbstract: got ret %d vpabs len %u\n", ret,
vpabs.size()));
if (vpabs.empty()) {
return true;
}
// If the list was probably truncated, indicate it.
if (ret & Rcl::ABSRES_TRUNC) {
vpabs.push_back(Rcl::Snippet(-1, cstr_mre));
}
if (ret & Rcl::ABSRES_TERMMISS) {
vpabs.insert(vpabs.begin(),
Rcl::Snippet(-1, "(Words missing in snippets)"));
}
return true;
}
bool DocSequenceDb::getAbstract(Rcl::Doc &doc, vector<string>& vabs)
{
if (!setQuery())
return false;
if (m_q->whatDb() &&
m_queryBuildAbstract && (doc.syntabs || m_queryReplaceAbstract)) {
m_q->makeDocAbstract(doc, vabs);
}
if (vabs.empty())
vabs.push_back(doc.meta[Rcl::Doc::keyabs]);
return true;
}
int DocSequenceDb::getFirstMatchPage(Rcl::Doc &doc, string& term)
{
if (!setQuery())
return false;
if (m_q->whatDb()) {
return m_q->getFirstMatchPage(doc, term);
}
return -1;
}
bool DocSequenceDb::getEnclosing(Rcl::Doc& doc, Rcl::Doc& pdoc)
{
// Note: no need for setQuery here, we're just passing through a
// query-independant request
string udi;
if (!FileInterner::getEnclosing(doc.url, doc.ipath, pdoc.url, pdoc.ipath,
udi))
return false;
bool dbret = m_q->whatDb()->getDoc(udi, pdoc);
return dbret && pdoc.pc != -1;
}
list<string> DocSequenceDb::expand(Rcl::Doc &doc)
{
if (!setQuery())
return list<string>();
vector<string> v = m_q->expand(doc);
return list<string>(v.begin(), v.end());
}
string DocSequenceDb::title()
{
string qual;
if (m_isFiltered && !m_isSorted)
qual = string(" (") + o_filt_trans + string(")");
else if (!m_isFiltered && m_isSorted)
qual = string(" (") + o_sort_trans + string(")");
else if (m_isFiltered && m_isSorted)
qual = string(" (") + o_sort_trans + string(",") + o_filt_trans + string(")");
return DocSequence::title() + qual;
}
bool DocSequenceDb::setFiltSpec(const DocSeqFiltSpec &fs)
{
LOGDEB(("DocSequenceDb::setFiltSpec\n"));
if (fs.isNotNull()) {
// We build a search spec by adding a filtering layer to the base one.
m_fsdata = RefCntr<Rcl::SearchData>(
new Rcl::SearchData(Rcl::SCLT_AND, m_sdata->getStemLang()));
Rcl::SearchDataClauseSub *cl =
new Rcl::SearchDataClauseSub(Rcl::SCLT_SUB, m_sdata);
m_fsdata->addClause(cl);
for (unsigned int i = 0; i < fs.crits.size(); i++) {
switch (fs.crits[i]) {
case DocSeqFiltSpec::DSFS_MIMETYPE:
m_fsdata->addFiletype(fs.values[i]);
break;
case DocSeqFiltSpec::DSFS_QLANG:
{
if (m_q.isNull())
break;
string reason;
Rcl::SearchData *sd =
wasaStringToRcl(m_q->whatDb()->getConf(),
m_sdata->getStemLang(),
fs.values[i], reason);
if (sd) {
Rcl::SearchDataClauseSub *cl1 =
new Rcl::SearchDataClauseSub(Rcl::SCLT_SUB,
RefCntr<Rcl::SearchData>(sd));
m_fsdata->addClause(cl1);
}
}
break;
default:
break;
}
}
m_isFiltered = true;
} else {
m_fsdata = m_sdata;
m_isFiltered = false;
}
m_needSetQuery = true;
return true;
}
bool DocSequenceDb::setSortSpec(const DocSeqSortSpec &spec)
{
LOGDEB(("DocSequenceDb::setSortSpec: fld [%s] %s\n",
spec.field.c_str(), spec.desc ? "desc" : "asc"));
if (spec.isNotNull()) {
m_q->setSortBy(spec.field, !spec.desc);
m_isSorted = true;
} else {
m_q->setSortBy(string(), true);
m_isSorted = false;
}
m_needSetQuery = true;
return true;
}
bool DocSequenceDb::setQuery()
{
if (!m_needSetQuery)
return true;
m_needSetQuery = false;
m_rescnt = -1;
m_lastSQStatus = m_q->setQuery(m_fsdata);
if (!m_lastSQStatus) {
m_reason = m_q->getReason();
LOGERR(("DocSequenceDb::setQuery: rclquery::setQuery failed: %s\n",
m_reason.c_str()));
}
return m_lastSQStatus;
}
bool DocSequenceDb::docDups(const Rcl::Doc& doc, std::vector<Rcl::Doc>& dups)
{
if (m_q->whatDb()) {
return m_q->whatDb()->docDups(doc, dups);
} else {
return false;
}
}