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/*
* OpenRPT report writer and rendering engine
* Copyright (C) 2001-2014 by OpenMFG, LLC
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
* Please contact info@openmfg.com with any questions on this license.
*/
#include <QString>
#include <QVariant>
#include <parameter.h>
#include <QSqlDatabase>
#include "metasql.h"
#include <string>
#include <map>
#include "metasqlqueryparser.h"
class MetaSQLInfoQt : public MetaSQLInfo {
public:
MetaSQLInfoQt(const ParameterList & params) : MetaSQLInfo() {
_params = ¶ms;
_paramCount = 0;
}
virtual std::list<std::string> enumerateNames() {
std::list<std::string> names;
for(int n = 0; n < _params->count(); n++) {
names.push_back(_params->name(n).toStdString());
}
return names;
}
virtual bool isValueFirst(const std::string & name) {
return getValuePos(name) == 0;
}
virtual bool isValueLast(const std::string & name) {
return getValuePos(name) == (getValueListCount(name) - 1);
}
virtual int getValueListCount(const std::string & name) {
bool found = false;
QVariant v = _params->value(QString::fromStdString(name), &found);
int lc = 0;
if(found && (v.type() == QVariant::List || v.type() == QVariant::StringList)) {
lc = v.toList().count();
}
return lc;
}
virtual std::string getValue(const std::string & name, bool param = false, int pos = -1) {
bool found = false;
QVariant v = _params->value(QString::fromStdString(name), &found);
if(found && (v.type() == QVariant::List || v.type() == QVariant::StringList)) {
v = v.toList().at((pos == -1 ? getValuePos(name) : pos));
}
if(param) {
_paramCount++;
std::stringstream sstr;
sstr << ":_" << _paramCount << "_";
std::string n = sstr.str();
_pList[n] = v;
return n + " ";
} else {
return v.toString().toStdString();
}
}
std::map<std::string,QVariant> _pList;
int _paramCount;
const ParameterList * _params;
};
MetaSQLQuery::MetaSQLQuery(const QString & query) {
_data = new MetaSQLQueryParser();
_source = QString::null;
if(!query.isEmpty()) {
setQuery(query);
}
}
MetaSQLQuery::~MetaSQLQuery() {
if(_data) {
delete _data;
_data = 0;
}
}
bool MetaSQLQuery::setQuery(const QString & query) {
bool valid = false;
if(_data) {
_source = query;
valid = _data->parse_query(query.toStdString());
}
return valid;
}
QString MetaSQLQuery::getSource() { return _source; }
bool MetaSQLQuery::isValid() { return (_data && _data->isValid()); }
XSqlQuery MetaSQLQuery::toQuery(const ParameterList & params, QSqlDatabase pDb, bool pExec) {
XSqlQuery qry(pDb);
if(isValid()) {
MetaSQLInfoQt mif(params);
if(qry.prepare(QString::fromStdString(_data->populate(&mif)))) {
for ( std::map<std::string, QVariant>::iterator it=mif._pList.begin() ; it != mif._pList.end(); it++ ) {
qry.bindValue(QString::fromStdString((*it).first) ,(*it).second);
}
if(pExec) {
qry.exec();
}
}
}
return qry;
}
QString MetaSQLQuery::parseLog() { return (_data ? QString::fromStdString(_data->errors()) : QString::null); }
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