/* 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 "autoconfig.h"
#include <QtXml/QXmlDefaultHandler>
#include "ssearch_w.h"
#include "guiutils.h"
#include "debuglog.h"
#include "xmltosd.h"
#include "smallut.h"
#include "recoll.h"
using namespace std;
using namespace Rcl;
class SDHXMLHandler : public QXmlDefaultHandler {
public:
SDHXMLHandler()
: isvalid(false)
{
resetTemps();
}
bool startElement(const QString & /* namespaceURI */,
const QString & /* localName */,
const QString &qName,
const QXmlAttributes &attributes);
bool endElement(const QString & /* namespaceURI */,
const QString & /* localName */,
const QString &qName);
bool characters(const QString &str)
{
currentText += str;
return true;
}
// The object we set up
STD_SHARED_PTR<SearchData> sd;
bool isvalid;
private:
void resetTemps()
{
currentText = whatclause = "";
text.clear();
field.clear();
slack = 0;
d = m = y = di.d1 = di.m1 = di.y1 = di.d2 = di.m2 = di.y2 = 0;
hasdates = false;
exclude = false;
}
// Temporary data while parsing.
QString currentText;
QString whatclause;
string field, text;
int slack;
int d, m, y;
DateInterval di;
bool hasdates;
bool exclude;
};
bool SDHXMLHandler::startElement(const QString & /* namespaceURI */,
const QString & /* localName */,
const QString &qName,
const QXmlAttributes &attrs)
{
LOGDEB2(("SDHXMLHandler::startElement: name [%s]\n",
(const char *)qName.toUtf8()));
if (qName == "SD") {
// Advanced search history entries have no type. So we're good
// either if type is absent, or if it's searchdata
int idx = attrs.index("type");
if (idx >= 0 && attrs.value(idx).compare("searchdata")) {
LOGDEB(("XMLTOSD: bad type\n"))
return false;
}
resetTemps();
// A new search descriptor. Allocate data structure
sd = STD_SHARED_PTR<SearchData>(new SearchData);
if (!sd) {
LOGERR(("SDHXMLHandler::startElement: out of memory\n"));
return false;
}
}
return true;
}
bool SDHXMLHandler::endElement(const QString & /* namespaceURI */,
const QString & /* localName */,
const QString &qName)
{
LOGDEB2(("SDHXMLHandler::endElement: name [%s]\n",
(const char *)qName.toUtf8()));
if (qName == "CLT") {
if (currentText == "OR") {
sd->setTp(SCLT_OR);
}
} else if (qName == "CT") {
whatclause = currentText.trimmed();
} else if (qName == "NEG") {
exclude = true;
} else if (qName == "F") {
field = base64_decode(qs2utf8s(currentText.trimmed()));
} else if (qName == "T") {
text = base64_decode(qs2utf8s(currentText.trimmed()));
} else if (qName == "S") {
slack = atoi((const char *)currentText.toUtf8());
} else if (qName == "C") {
SearchDataClause *c;
if (whatclause == "AND" || whatclause.isEmpty()) {
c = new SearchDataClauseSimple(SCLT_AND, text, field);
c->setexclude(exclude);
} else if (whatclause == "OR") {
c = new SearchDataClauseSimple(SCLT_OR, text, field);
c->setexclude(exclude);
} else if (whatclause == "EX") {
// Compat with old hist. We don't generete EX (SCLT_EXCL) anymore
// it's replaced with OR + exclude flag
c = new SearchDataClauseSimple(SCLT_OR, text, field);
c->setexclude(true);
} else if (whatclause == "FN") {
c = new SearchDataClauseFilename(text);
c->setexclude(exclude);
} else if (whatclause == "PH") {
c = new SearchDataClauseDist(SCLT_PHRASE, text, slack, field);
c->setexclude(exclude);
} else if (whatclause == "NE") {
c = new SearchDataClauseDist(SCLT_NEAR, text, slack, field);
c->setexclude(exclude);
} else {
LOGERR(("Bad clause type [%s]\n", qs2utf8s(whatclause).c_str()));
return false;
}
sd->addClause(c);
whatclause = "";
text.clear();
field.clear();
slack = 0;
exclude = false;
} else if (qName == "D") {
d = atoi((const char *)currentText.toUtf8());
} else if (qName == "M") {
m = atoi((const char *)currentText.toUtf8());
} else if (qName == "Y") {
y = atoi((const char *)currentText.toUtf8());
} else if (qName == "DMI") {
di.d1 = d;
di.m1 = m;
di.y1 = y;
hasdates = true;
} else if (qName == "DMA") {
di.d2 = d;
di.m2 = m;
di.y2 = y;
hasdates = true;
} else if (qName == "MIS") {
sd->setMinSize(atoll((const char *)currentText.toUtf8()));
} else if (qName == "MAS") {
sd->setMaxSize(atoll((const char *)currentText.toUtf8()));
} else if (qName == "ST") {
string types = (const char *)currentText.toUtf8();
vector<string> vt;
stringToTokens(types, vt);
for (unsigned int i = 0; i < vt.size(); i++)
sd->addFiletype(vt[i]);
} else if (qName == "IT") {
string types(qs2utf8s(currentText));
vector<string> vt;
stringToTokens(types, vt);
for (unsigned int i = 0; i < vt.size(); i++)
sd->remFiletype(vt[i]);
} else if (qName == "YD") {
string d;
base64_decode(qs2utf8s(currentText.trimmed()), d);
sd->addClause(new SearchDataClausePath(d));
} else if (qName == "ND") {
string d;
base64_decode(qs2utf8s(currentText.trimmed()), d);
sd->addClause(new SearchDataClausePath(d, true));
} else if (qName == "SD") {
// Closing current search descriptor. Finishing touches...
if (hasdates)
sd->setDateSpan(&di);
resetTemps();
isvalid = true;
}
currentText.clear();
return true;
}
STD_SHARED_PTR<Rcl::SearchData> xmlToSearchData(const string& xml)
{
SDHXMLHandler handler;
QXmlSimpleReader reader;
reader.setContentHandler(&handler);
reader.setErrorHandler(&handler);
QXmlInputSource xmlInputSource;
xmlInputSource.setData(QString::fromUtf8(xml.c_str()));
if (!reader.parse(xmlInputSource) || !handler.isvalid) {
LOGERR(("xmlToSearchData: parse failed for [%s]\n",
xml.c_str()));
return STD_SHARED_PTR<SearchData>();
}
return handler.sd;
}
// Handler for parsing saved simple search data
class SSHXMLHandler : public QXmlDefaultHandler {
public:
SSHXMLHandler()
: isvalid(false)
{
resetTemps();
}
bool startElement(const QString & /* namespaceURI */,
const QString & /* localName */,
const QString &qName,
const QXmlAttributes &attributes);
bool endElement(const QString & /* namespaceURI */,
const QString & /* localName */,
const QString &qName);
bool characters(const QString &str)
{
currentText += str;
return true;
}
// The object we set up
SSearchDef data;
bool isvalid;
private:
void resetTemps()
{
currentText = whatclause = "";
text.clear();
}
// Temporary data while parsing.
QString currentText;
QString whatclause;
string text;
};
bool SSHXMLHandler::startElement(const QString & /* namespaceURI */,
const QString & /* localName */,
const QString &qName,
const QXmlAttributes &attrs)
{
LOGDEB2(("SSHXMLHandler::startElement: name [%s]\n",
(const char *)qName.toUtf8()));
if (qName == "SD") {
// Simple search saved data has a type='ssearch' attribute.
int idx = attrs.index("type");
if (idx < 0 && attrs.value(idx).compare("ssearch")) {
LOGDEB(("XMLTOSSS: bad type\n"));
return false;
}
resetTemps();
}
return true;
}
bool SSHXMLHandler::endElement(const QString & /* namespaceURI */,
const QString & /* localName */,
const QString &qName)
{
LOGDEB2(("SSHXMLHandler::endElement: name [%s]\n",
(const char *)qName.toUtf8()));
currentText = currentText.trimmed();
if (qName == "SL") {
stringToStrings(qs2utf8s(currentText), data.stemlangs);
} else if (qName == "T") {
base64_decode(qs2utf8s(currentText), data.text);
} else if (qName == "EX") {
data.extindexes.push_back(base64_decode(qs2utf8s(currentText)));
} else if (qName == "SM") {
if (!currentText.compare("QL")) {
data.mode = SSearch::SST_LANG;
} else if (!currentText.compare("FN")) {
data.mode = SSearch::SST_FNM;
} else if (!currentText.compare("OR")) {
data.mode = SSearch::SST_ANY;
} else if (!currentText.compare("AND")) {
data.mode = SSearch::SST_ALL;
} else {
LOGERR(("BAD SEARCH MODE: [%s]\n", qs2utf8s(currentText).c_str()));
return false;
}
} else if (qName == "AS") {
stringToStrings(qs2utf8s(currentText), data.autosuffs);
} else if (qName == "AP") {
data.autophrase = true;
} else if (qName == "SD") {
// Closing current search descriptor. Finishing touches...
resetTemps();
isvalid = true;
}
currentText.clear();
return true;
}
bool xmlToSSearch(const string& xml, SSearchDef& data)
{
SSHXMLHandler handler;
QXmlSimpleReader reader;
reader.setContentHandler(&handler);
reader.setErrorHandler(&handler);
QXmlInputSource xmlInputSource;
xmlInputSource.setData(QString::fromUtf8(xml.c_str()));
if (!reader.parse(xmlInputSource) || !handler.isvalid) {
LOGERR(("xmlToSSearch: parse failed for [%s]\n",
xml.c_str()));
return false;
}
data = handler.data;
return true;
}