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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 "mqlutil.h"
#include <QFile>
#include <QRegExp>
#include <QStringList>
#include <QTextStream>
#include <QVariant>
#include "xsqlquery.h"
static QRegExp groupRE = QRegExp("(^\\s*--\\s*GROUP:\\s*)(.*)",Qt::CaseInsensitive);
static QRegExp nameRE = QRegExp("(^\\s*--\\s*NAME:\\s*)(.*)", Qt::CaseInsensitive);
static QRegExp notesRE = QRegExp("(^\\s*--\\s*NOTES:\\s*)(.*)",Qt::CaseInsensitive);
static QRegExp dashdashRE = QRegExp("(^\\s*--\\s{0,8})(.*)");
bool MQLUtil::rewriteMetadata(QString &query, const QString &group,
const QString &name, const QString ¬es)
{
QStringList lines = query.split("\n");
QString groupline;
QString nameline;
for (int i = 0; i < lines.size(); i++)
{
if (groupRE.indexIn(lines.at(i)) >= 0)
{
if (groupRE.cap(2).trimmed().compare(group.trimmed(), Qt::CaseInsensitive) == 0)
groupline = lines.takeAt(i--);
else
lines.removeAt(i--);
}
else if (nameRE.indexIn(lines.at(i)) >= 0)
{
if (nameRE.cap(2).trimmed().compare(name.trimmed(), Qt::CaseInsensitive) == 0)
nameline = lines.takeAt(i--);
else
lines.removeAt(i--);
}
else if (notesRE.indexIn(lines.at(i)) >= 0)
{
lines.removeAt(i--);
while (dashdashRE.indexIn(lines.at(++i)) >= 0)
lines.removeAt(i--);
}
}
QStringList noteslines = notes.split("\n");
if (noteslines.size() > 0)
{
if (! noteslines.at(0).contains(notesRE))
noteslines.replace(0, "-- Notes: " + noteslines.at(0));
for (int i = 1; i < noteslines.size(); i++)
if (dashdashRE.indexIn(noteslines.at(i)) < 0)
noteslines.replace(i, "-- " + noteslines.at(i));
}
if (groupline.isEmpty())
lines.insert(0, "-- Group: " + group);
else
lines.insert(0, groupline);
if (nameline.isEmpty())
lines.insert(1, "-- Name: " + name);
else
lines.insert(1, nameline);
for (int i = 0; i < noteslines.size(); i++)
lines.insert(i + 2, noteslines.at(i));
query = lines.join("\n");
return true;
}
bool MQLUtil::extractMetadata(const QString &query,
QString &group, QString &name, QString ¬es)
{
group = QString::null;
name = QString::null;
notes = QString::null;
if(! query.isEmpty())
{
QStringList lines = query.split("\n");
for (int i = 0; i < lines.size(); i++)
{
if (groupRE.indexIn(lines.at(i)) >= 0)
group = groupRE.cap(2).trimmed();
else if (nameRE.indexIn(lines.at(i)) >= 0)
name = nameRE.cap(2).trimmed();
else if (notesRE.indexIn(lines.at(i)) >= 0)
{
notes = notesRE.cap(2).trimmed();
while (dashdashRE.indexIn(lines.at(++i)) >= 0)
notes += "\n" + dashdashRE.cap(2);
}
}
}
return !(group.isEmpty() || name.isEmpty());
}
QString MQLUtil::mqlLoad(const QString &name, QString &errmsg, bool *valid)
{
if (valid)
*valid = false;
QString fsrc = QString::null;
QFile fin(name);
if (fin.open(QIODevice::ReadOnly))
{
QTextStream sin(&fin);
fsrc = sin.readAll();
if (valid)
*valid = true;
}
else
{
errmsg = QObject::tr("Could not open file '%1': %2")
.arg(name, fin.errorString());
qWarning("%s", qPrintable(errmsg));
}
return fsrc;
}
QString MQLUtil::mqlLoad(const QString &group, const QString &name, QString &errmsg, bool *valid)
{
if (valid)
*valid = false;
QString fsrc = QString::null;
errmsg = QString::null;
XSqlQuery qry;
QString sql;
sql = QString("SELECT metasql_query "
" FROM metasql "
"WHERE ((metasql_group='%1') "
" AND (metasql_name='%2'))"
" ORDER BY metasql_grade DESC"
" LIMIT 1;").arg(group).arg(name);
qry.exec(sql);
if (qry.first())
{
fsrc = qry.value("metasql_query").toString();
if (valid)
*valid = true;
}
else
{
errmsg = QString("Could not open query '%1': %2").arg(group).arg(name);
qWarning("%s", qPrintable(errmsg));
}
return fsrc;
}
// backwards compatibility for xtuple application sources /////////////////////
static QString _lastError;
QString mqlLastError() { return _lastError; }
void mqlClearLastError() { _lastError = QString::null; }
MetaSQLQuery mqlLoad(const QString &name, bool *valid)
{
return MetaSQLQuery(MQLUtil::mqlLoad(name, _lastError, valid));
}
MetaSQLQuery mqlLoad(const QString &group, const QString &name, bool *valid)
{
return MetaSQLQuery(MQLUtil::mqlLoad(group, name, _lastError, valid));
}
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