341 lines
10 KiB
C++
341 lines
10 KiB
C++
/* Copyright (C) 2005 J.F.Dockes
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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 "autoconfig.h"
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#include <QtXml/QXmlDefaultHandler>
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#include "ssearch_w.h"
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#include "guiutils.h"
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#include "log.h"
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#include "xmltosd.h"
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#include "smallut.h"
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#include "recoll.h"
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using namespace std;
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using namespace Rcl;
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class SDHXMLHandler : public QXmlDefaultHandler {
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public:
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SDHXMLHandler()
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: isvalid(false)
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{
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resetTemps();
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}
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bool startElement(const QString & /* namespaceURI */,
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const QString & /* localName */,
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const QString &qName,
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const QXmlAttributes &attributes);
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bool endElement(const QString & /* namespaceURI */,
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const QString & /* localName */,
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const QString &qName);
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bool characters(const QString &str)
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{
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currentText += str;
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return true;
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}
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// The object we set up
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std::shared_ptr<SearchData> sd;
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bool isvalid;
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private:
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void resetTemps()
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{
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currentText = whatclause = "";
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text.clear();
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field.clear();
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slack = 0;
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d = m = y = di.d1 = di.m1 = di.y1 = di.d2 = di.m2 = di.y2 = 0;
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hasdates = false;
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exclude = false;
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}
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// Temporary data while parsing.
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QString currentText;
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QString whatclause;
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string field, text;
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int slack;
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int d, m, y;
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DateInterval di;
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bool hasdates;
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bool exclude;
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};
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bool SDHXMLHandler::startElement(const QString & /* namespaceURI */,
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const QString & /* localName */,
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const QString &qName,
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const QXmlAttributes &attrs)
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{
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LOGDEB2("SDHXMLHandler::startElement: name [" << qs2utf8s(qName) << "]\n");
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if (qName == "SD") {
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// Advanced search history entries have no type. So we're good
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// either if type is absent, or if it's searchdata
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int idx = attrs.index("type");
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if (idx >= 0 && attrs.value(idx).compare("searchdata")) {
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LOGDEB("XMLTOSD: bad type\n");
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return false;
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}
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resetTemps();
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// A new search descriptor. Allocate data structure
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sd = std::shared_ptr<SearchData>(new SearchData);
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if (!sd) {
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LOGERR("SDHXMLHandler::startElement: out of memory\n");
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return false;
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}
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}
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return true;
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}
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bool SDHXMLHandler::endElement(const QString & /* namespaceURI */,
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const QString & /* localName */,
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const QString &qName)
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{
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LOGDEB2("SDHXMLHandler::endElement: name [" << qs2utf8s(qName) << "]\n");
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if (qName == "CLT") {
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if (currentText == "OR") {
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sd->setTp(SCLT_OR);
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}
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} else if (qName == "CT") {
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whatclause = currentText.trimmed();
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} else if (qName == "NEG") {
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exclude = true;
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} else if (qName == "F") {
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field = base64_decode(qs2utf8s(currentText.trimmed()));
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} else if (qName == "T") {
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text = base64_decode(qs2utf8s(currentText.trimmed()));
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} else if (qName == "S") {
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slack = atoi((const char *)currentText.toUtf8());
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} else if (qName == "C") {
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SearchDataClause *c;
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if (whatclause == "AND" || whatclause.isEmpty()) {
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c = new SearchDataClauseSimple(SCLT_AND, text, field);
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c->setexclude(exclude);
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} else if (whatclause == "OR") {
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c = new SearchDataClauseSimple(SCLT_OR, text, field);
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c->setexclude(exclude);
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} else if (whatclause == "EX") {
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// Compat with old hist. We don't generete EX (SCLT_EXCL) anymore
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// it's replaced with OR + exclude flag
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c = new SearchDataClauseSimple(SCLT_OR, text, field);
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c->setexclude(true);
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} else if (whatclause == "FN") {
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c = new SearchDataClauseFilename(text);
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c->setexclude(exclude);
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} else if (whatclause == "PH") {
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c = new SearchDataClauseDist(SCLT_PHRASE, text, slack, field);
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c->setexclude(exclude);
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} else if (whatclause == "NE") {
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c = new SearchDataClauseDist(SCLT_NEAR, text, slack, field);
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c->setexclude(exclude);
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} else {
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LOGERR("Bad clause type [" << qs2utf8s(whatclause) << "]\n");
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return false;
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}
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sd->addClause(c);
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whatclause = "";
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text.clear();
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field.clear();
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slack = 0;
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exclude = false;
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} else if (qName == "D") {
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d = atoi((const char *)currentText.toUtf8());
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} else if (qName == "M") {
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m = atoi((const char *)currentText.toUtf8());
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} else if (qName == "Y") {
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y = atoi((const char *)currentText.toUtf8());
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} else if (qName == "DMI") {
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di.d1 = d;
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di.m1 = m;
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di.y1 = y;
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hasdates = true;
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} else if (qName == "DMA") {
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di.d2 = d;
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di.m2 = m;
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di.y2 = y;
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hasdates = true;
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} else if (qName == "MIS") {
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sd->setMinSize(atoll((const char *)currentText.toUtf8()));
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} else if (qName == "MAS") {
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sd->setMaxSize(atoll((const char *)currentText.toUtf8()));
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} else if (qName == "ST") {
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string types = (const char *)currentText.toUtf8();
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vector<string> vt;
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stringToTokens(types, vt);
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for (unsigned int i = 0; i < vt.size(); i++)
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sd->addFiletype(vt[i]);
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} else if (qName == "IT") {
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string types(qs2utf8s(currentText));
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vector<string> vt;
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stringToTokens(types, vt);
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for (unsigned int i = 0; i < vt.size(); i++)
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sd->remFiletype(vt[i]);
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} else if (qName == "YD") {
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string d;
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base64_decode(qs2utf8s(currentText.trimmed()), d);
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sd->addClause(new SearchDataClausePath(d));
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} else if (qName == "ND") {
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string d;
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base64_decode(qs2utf8s(currentText.trimmed()), d);
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sd->addClause(new SearchDataClausePath(d, true));
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} else if (qName == "SD") {
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// Closing current search descriptor. Finishing touches...
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if (hasdates)
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sd->setDateSpan(&di);
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resetTemps();
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isvalid = true;
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}
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currentText.clear();
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return true;
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}
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std::shared_ptr<Rcl::SearchData> xmlToSearchData(const string& xml)
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{
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SDHXMLHandler handler;
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QXmlSimpleReader reader;
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reader.setContentHandler(&handler);
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reader.setErrorHandler(&handler);
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QXmlInputSource xmlInputSource;
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xmlInputSource.setData(QString::fromUtf8(xml.c_str()));
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if (!reader.parse(xmlInputSource) || !handler.isvalid) {
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LOGERR("xmlToSearchData: parse failed for [" << xml << "]\n");
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return std::shared_ptr<SearchData>();
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}
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return handler.sd;
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}
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// Handler for parsing saved simple search data
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class SSHXMLHandler : public QXmlDefaultHandler {
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public:
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SSHXMLHandler()
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: isvalid(false)
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{
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resetTemps();
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}
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bool startElement(const QString & /* namespaceURI */,
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const QString & /* localName */,
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const QString &qName,
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const QXmlAttributes &attributes);
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bool endElement(const QString & /* namespaceURI */,
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const QString & /* localName */,
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const QString &qName);
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bool characters(const QString &str)
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{
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currentText += str;
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return true;
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}
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// The object we set up
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SSearchDef data;
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bool isvalid;
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private:
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void resetTemps()
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{
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currentText = whatclause = "";
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text.clear();
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}
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// Temporary data while parsing.
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QString currentText;
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QString whatclause;
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string text;
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};
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bool SSHXMLHandler::startElement(const QString & /* namespaceURI */,
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const QString & /* localName */,
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const QString &qName,
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const QXmlAttributes &attrs)
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{
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LOGDEB2("SSHXMLHandler::startElement: name [" << u8s2qs(qName) << "]\n");
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if (qName == "SD") {
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// Simple search saved data has a type='ssearch' attribute.
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int idx = attrs.index("type");
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if (idx < 0 && attrs.value(idx).compare("ssearch")) {
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LOGDEB("XMLTOSSS: bad type\n");
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return false;
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}
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resetTemps();
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}
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return true;
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}
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bool SSHXMLHandler::endElement(const QString & /* namespaceURI */,
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const QString & /* localName */,
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const QString &qName)
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{
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LOGDEB2("SSHXMLHandler::endElement: name [" << u8s2qs(qName) << "]\n");
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currentText = currentText.trimmed();
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if (qName == "SL") {
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stringToStrings(qs2utf8s(currentText), data.stemlangs);
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} else if (qName == "T") {
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base64_decode(qs2utf8s(currentText), data.text);
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} else if (qName == "EX") {
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data.extindexes.push_back(base64_decode(qs2utf8s(currentText)));
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} else if (qName == "SM") {
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if (!currentText.compare("QL")) {
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data.mode = SSearch::SST_LANG;
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} else if (!currentText.compare("FN")) {
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data.mode = SSearch::SST_FNM;
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} else if (!currentText.compare("OR")) {
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data.mode = SSearch::SST_ANY;
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} else if (!currentText.compare("AND")) {
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data.mode = SSearch::SST_ALL;
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} else {
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LOGERR("BAD SEARCH MODE: [" << qs2utf8s(currentText) << "]\n");
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return false;
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}
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} else if (qName == "AS") {
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stringToStrings(qs2utf8s(currentText), data.autosuffs);
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} else if (qName == "AP") {
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data.autophrase = true;
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} else if (qName == "SD") {
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// Closing current search descriptor. Finishing touches...
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resetTemps();
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isvalid = true;
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}
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currentText.clear();
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return true;
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}
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bool xmlToSSearch(const string& xml, SSearchDef& data)
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{
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SSHXMLHandler handler;
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QXmlSimpleReader reader;
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reader.setContentHandler(&handler);
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reader.setErrorHandler(&handler);
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QXmlInputSource xmlInputSource;
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xmlInputSource.setData(QString::fromUtf8(xml.c_str()));
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if (!reader.parse(xmlInputSource) || !handler.isvalid) {
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LOGERR("xmlToSSearch: parse failed for [" << xml << "]\n");
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return false;
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}
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data = handler.data;
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return true;
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}
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