/* 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 "advshist.h"
#include "guiutils.h"
#include "debuglog.h"
#include <QtXml/QXmlDefaultHandler>
using namespace std;
using namespace Rcl;
class SDHXMLHandler : public QXmlDefaultHandler {
public:
SDHXMLHandler()
{
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
RefCntr<SearchData> sd;
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 &)
{
LOGDEB2(("SDHXMLHandler::startElement: name [%s]\n",
(const char *)qName.toAscii()));
if (qName == "SD") {
resetTemps();
// A new search descriptor. Allocate data structure
sd = RefCntr<SearchData>(new SearchData);
if (sd.isNull()) {
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.toAscii()));
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.toAscii());
} 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.toAscii());
} else if (qName == "M") {
m = atoi((const char *)currentText.toAscii());
} else if (qName == "Y") {
y = atoi((const char *)currentText.toAscii());
} 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.toAscii()));
} else if (qName == "MAS") {
sd->setMaxSize(atoll((const char *)currentText.toAscii()));
} else if (qName == "ST") {
string types = (const char *)currentText.toAscii();
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 = (const char *)currentText.toAscii();
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((const char*)currentText.trimmed().toAscii(), d);
sd->addClause(new SearchDataClausePath(d));
} else if (qName == "ND") {
string d;
base64_decode((const char*)currentText.trimmed().toAscii(), d);
sd->addClause(new SearchDataClausePath(d, true));
} else if (qName == "SD") {
// Closing current search descriptor. Finishing touches...
if (hasdates)
sd->setDateSpan(&di);
resetTemps();
}
currentText.clear();
return true;
}
AdvSearchHist::AdvSearchHist()
{
read();
m_current = -1;
}
AdvSearchHist::~AdvSearchHist()
{
for (vector<RefCntr<SearchData> >::iterator it = m_entries.begin();
it != m_entries.end(); it++) {
it->release();
}
}
RefCntr<Rcl::SearchData> AdvSearchHist::getolder()
{
m_current++;
if (m_current >= int(m_entries.size())) {
m_current--;
return RefCntr<Rcl::SearchData>();
}
return m_entries[m_current];
}
RefCntr<Rcl::SearchData> AdvSearchHist::getnewer()
{
if (m_current == -1 || m_current == 0 || m_entries.empty())
return RefCntr<Rcl::SearchData>();
return m_entries[--m_current];
}
bool AdvSearchHist::push(RefCntr<SearchData> sd)
{
m_entries.insert(m_entries.begin(), sd);
if (m_current != -1)
m_current++;
string xml = sd->asXML();
g_dynconf->enterString(advSearchHistSk, xml, 100);
return true;
}
bool AdvSearchHist::read()
{
if (!g_dynconf)
return false;
list<string> lxml = g_dynconf->getStringList(advSearchHistSk);
for (list<string>::const_iterator it = lxml.begin(); it != lxml.end();
it++) {
SDHXMLHandler handler;
QXmlSimpleReader reader;
reader.setContentHandler(&handler);
reader.setErrorHandler(&handler);
QXmlInputSource xmlInputSource;
xmlInputSource.setData(QString::fromUtf8(it->c_str()));
if (!reader.parse(xmlInputSource)) {
LOGERR(("AdvSearchHist::read: parse failed for [%s]\n",
it->c_str()));
return false;
}
m_entries.push_back(handler.sd);
}
return true;
}
void AdvSearchHist::clear()
{
g_dynconf->eraseAll(advSearchHistSk);
}